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14 pages, 1048 KB  
Article
Preoperative BUN-to-Albumin Ratio Is Independently Associated with Major Reamputation After Distal Amputation in Diabetic Foot: A Retrospective Cohort Study
by Bahri Bozgeyik, Erman Öğümsöğütlü, Murat Düzgün and Gazi Huri
J. Clin. Med. 2026, 15(9), 3279; https://doi.org/10.3390/jcm15093279 (registering DOI) - 25 Apr 2026
Abstract
Background: Major level escalation following distal amputation for diabetic foot—defined as subsequent below-knee amputation (BKA)—represents a clinically meaningful endpoint with substantial functional implications. Identifying reliable and readily available preoperative biomarkers capable of predicting major level escalation remains a clinical challenge. This study aimed [...] Read more.
Background: Major level escalation following distal amputation for diabetic foot—defined as subsequent below-knee amputation (BKA)—represents a clinically meaningful endpoint with substantial functional implications. Identifying reliable and readily available preoperative biomarkers capable of predicting major level escalation remains a clinical challenge. This study aimed to evaluate the independent prognostic value of the C-reactive protein-to-albumin ratio (CAR) and blood urea nitrogen-to-albumin ratio (BAR) in predicting postoperative major level escalation. Methods: We retrospectively analyzed 151 consecutive patients who underwent distal lower extremity amputation for diabetic foot between January 2020 and October 2025. The primary outcome was ipsilateral below-knee amputation within the follow-up period. Preoperative CAR and BAR were calculated using laboratory parameters obtained within 24 h prior to surgery. Given the shared albumin component, two separate multivariable logistic regression models were constructed to evaluate independent associations, adjusting for age, peripheral arterial disease (PAD), and index amputation level. Results: During follow-up, 46 patients (30.5%) required major level escalation (BKA). Both CAR and BAR were significantly higher in patients who developed BKA (p < 0.001 and p = 0.006, respectively). In receiver operating characteristic (ROC) analysis, CAR demonstrated acceptable discriminative ability (AUC = 0.745; 95% CI 0.653–0.827), whereas BAR showed modest performance (AUC = 0.640; 95% CI 0.536–0.738). The optimal cutoff values were 1.50 for CAR (sensitivity 76.1%, specificity 61.9%) and 0.61 for BAR (sensitivity 73.9%, specificity 44.8%), although these thresholds were considered exploratory. In the primary multivariable analysis, both CAR (OR 1.16; 95% CI 1.02–1.32; p = 0.024) and BAR (OR 4.02; 95% CI 1.85–8.73; p = 0.005) were independently associated with major level escalation. In sensitivity analyses, BAR retained independent significance, whereas CAR did not (p = 0.100). Conclusions: Preoperative BAR demonstrated robust independent association with major level escalation across both primary and sensitivity analyses, while CAR showed association in the primary model only. These composite biomarkers may provide hypothesis-generating insights into systemic risk profiling in diabetic foot surgery, pending external validation. Full article
(This article belongs to the Section Orthopedics)
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32 pages, 875 KB  
Systematic Review
Genetic Determinants of Stress Reactivity in Pregnancy: A Systematic Review and Meta-Analysis: Implications for Maternal and Fetal Health
by Socol Ioana Denisa, Socol Flavius George, Farcaș Simona Sorina, Dumitriu Bogdan-Ionel, Dumitriu Alina-Iasmina, Antal Andreea, Boarta Aris, Iacob Daniela and Andreescu Nicoleta Ioana
Genes 2026, 17(5), 509; https://doi.org/10.3390/genes17050509 (registering DOI) - 25 Apr 2026
Abstract
Background: Gestation is a period of significant biological plasticity where the intrauterine environment influences fetal development via “fetal programming”. This study systematically reviews and meta-analyzes the association between genetic determinants—specifically the NR3C1, FKBP5, and CRHR1 genes, chosen for their pivotal [...] Read more.
Background: Gestation is a period of significant biological plasticity where the intrauterine environment influences fetal development via “fetal programming”. This study systematically reviews and meta-analyzes the association between genetic determinants—specifically the NR3C1, FKBP5, and CRHR1 genes, chosen for their pivotal role in the functional regulation and feedback sensitivity of the hypothalamic–pituitary–adrenal (HPA) axis—and stress reactivity during pregnancy. Methods: Following PRISMA guidelines, a systematic search was conducted across PubMed, Scopus, and Web of Science, yielding an initial total of 1430 records. After removing duplicates and screening 669 studies, a total of 34 primary observational studies were included in the systematic review and qualitative synthesis. For the quantitative synthesis, 27 articles provided sufficient data, resulting in k = 39 independent effect sizes analyzed via a mixed-effects model to account for tissue-specific and cohort-specific outcomes. Results: Systematic analysis reveals that maternal psychosocial stress significantly correlates with NR3C1 hypermethylation, acting as a biological mediator for neonatal cortisol dysregulation and hippocampal volume reduction. The FKBP5 rs1360780 polymorphism emerged as a key moderator of structural vulnerability, showing a “double-hit” effect when combined with epigenetic alterations. Furthermore, the study identifies sex-specific susceptibility, with divergent placental trajectories for male and female fetuses. Meta-analytic estimates confirmed the robustness of these associations (Rosenthal Fail-Safe N = 431,000), despite a general trend toward statistical significance (p = 0.079) in heterogeneous cohorts. Conclusions: The findings underscore a stable link between genetic determinants and prenatal stress reactivity. The interaction between molecular predisposition and environmental factors defines the health of the mother–infant dyad. These results advocate for a transition toward Precision Prenatal Medicine, integrating polygenic risk scores and epigenetic monitoring to implement early, targeted preventive interventions. Full article
(This article belongs to the Section Human Genomics and Genetic Diseases)
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13 pages, 4194 KB  
Article
Diagnostic Performance of Saline Infusion Sonography with Color Doppler Flow (SIS-CF) for Assessing Tubal Patency: A Prospective Cohort Study
by Pantana Bangsomboon, Worashorn Lattiwongsakorn, Tawiwan Panthasri, Ubol Saeng-anan, Usanee Sanmee, Natnita Mattawanon and Natpat Jansaka
Diagnostics 2026, 16(9), 1287; https://doi.org/10.3390/diagnostics16091287 (registering DOI) - 24 Apr 2026
Abstract
Background/Objectives: Accurate evaluation of fallopian tube patency is an essential step in infertility assessment. This study investigated the diagnostic capability of saline infusion sonography combined with color Doppler flow (SIS-CF), using laparoscopic chromopertubation as the comparator method. Methods: A prospective diagnostic [...] Read more.
Background/Objectives: Accurate evaluation of fallopian tube patency is an essential step in infertility assessment. This study investigated the diagnostic capability of saline infusion sonography combined with color Doppler flow (SIS-CF), using laparoscopic chromopertubation as the comparator method. Methods: A prospective diagnostic accuracy study was conducted between January and November 2025 at the Infertility Unit, Chiang Mai University Hospital, Thailand. Women requiring laparoscopic assessment for infertility evaluation or preconception investigation were consecutively enrolled. Each participant underwent SIS-CF immediately before laparoscopic chromopertubation within the same operative session. Primary outcomes included diagnostic indices for tubal patency. Secondary outcomes included procedural duration and perioperative safety. Results: Forty-four women (88 fallopian tubes) were included. SIS-CF demonstrated sensitivity of 89.4% (95% CI 78.1–95.9) and specificity of 95.5% (95% CI 77.2–99.9). Positive and negative predictive values were 98.3% and 75.0%, respectively. Likelihood ratios were 19.65 (positive) and 0.11 (negative), with overall accuracy of 90.9% (95% CI 82.9–95.8). Median procedure duration was 5.7 min for SIS-CF and 3.0 min for laparoscopic chromopertubation. No adverse events were recorded. Conclusions: SIS-CF demonstrated favorable diagnostic characteristics for evaluation of tubal patency. The technique provided functional information regarding tubal status while maintaining a minimally invasive profile. Further investigation is warranted to determine its role within routine infertility workups. Full article
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17 pages, 1538 KB  
Article
Predictors of First Anti-TNF Treatment Failure in Patients with Inflammatory Bowel Disease: A Single-Center Cohort Study
by Konstantinos C. Mpakogiannis, Paraskevi Chasani, Ioanna Nefeli Mastorogianni, Konstantinos H. Katsanos and Fotios S. Fousekis
Biomedicines 2026, 14(5), 984; https://doi.org/10.3390/biomedicines14050984 - 24 Apr 2026
Abstract
Introduction: Despite proven efficacy of anti-TNF agents in inflammatory bowel disease, primary non-response affects up to one-third of patients, while secondary loss of response occurs at 13–21% per patient-year, often requiring dose optimization or switching to alternative advanced therapies. Methods: The [...] Read more.
Introduction: Despite proven efficacy of anti-TNF agents in inflammatory bowel disease, primary non-response affects up to one-third of patients, while secondary loss of response occurs at 13–21% per patient-year, often requiring dose optimization or switching to alternative advanced therapies. Methods: The present single-center cohort study at the University Hospital of Ioannina included biologic-naïve patients receiving anti-TNF therapy as their first biologic treatment. First anti-TNF treatment failure was defined as discontinuation due to persistent IBD activity despite maximal dose optimization (infliximab 10 mg/kg every 4 weeks, adalimumab 40 mg weekly). Patients with measurable anti-drug antibodies prior to anti-TNF dose intensification or discontinuation were excluded. Of 528 anti-TNF-treated patients, 286 (173 with CD, 113 with UC) met the inclusion criteria and were included in the final statistical analysis. Results: Anti-TNF failure occurred in 32.7% of Crohn’s (CD) and 32.9% of ulcerative colitis (UC) patients. Multivariable Cox regression identified complicated phenotype (stricturing or/and penetrating CD; HR = 1.9, p = 0.032) and concomitant corticosteroid use at anti-TNF initiation (HR = 2.03, p = 0.012) as independent predictors of anti-TNF failure in CD. Age at CD diagnosis showed a trend for statistical significance (HR = 1.02, p = 0.061), and after stratification, age at diagnosis ≥ 40 years conferred higher risk (HR = 1.93, p = 0.016), alongside persistent effects of complicated phenotype (HR = 1.83, p = 0.027) and corticosteroid use (HR = 2.01, p = 0.013). In UC patients, female sex predicted anti-TNF failure (HR = 2.13, p = 0.025). IBD-related bowel resection occurred in 26.6% of patients with CD and in 5.3% of patients with UC. Conclusions: Anti-TNF failure remains common despite optimization. Identifying immunogenicity-independent predictors may enable personalized treatment strategies and improve outcomes. Full article
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16 pages, 963 KB  
Article
Reduced Clinical Target Volume Margins in Glioblastoma: Exploratory Evidence Supporting Further Margin Reduction Independent of MGMT Status
by Flavio Donnini, Giuseppe Minniti, Salvatore Chibbaro, Giulio Bagnacci, Armando Perrella, Giuseppe Battaglia, Giovanni Rubino, Pierpaolo Pastina, Tommaso Carfagno, Marta Vannini, Maria Antonietta Mazzei, Alfonso Cerase and Paolo Tini
Brain Sci. 2026, 16(5), 458; https://doi.org/10.3390/brainsci16050458 (registering DOI) - 24 Apr 2026
Abstract
Background: Clinical target volume (CTV) delineation in glioblastoma remains debated, particularly in the era of modern chemoradiation and image-guided radiotherapy. Whether reduced CTV margins can preserve oncological outcomes without increasing marginal or out-of-field failures remains uncertain. We evaluated the association of the gross [...] Read more.
Background: Clinical target volume (CTV) delineation in glioblastoma remains debated, particularly in the era of modern chemoradiation and image-guided radiotherapy. Whether reduced CTV margins can preserve oncological outcomes without increasing marginal or out-of-field failures remains uncertain. We evaluated the association of the gross tumor volume (GTV)-to-CTV margin with survival, patterns of failure, and its interaction with O6-methylguanine-DNA methyltransferase (MGMT) promoter methylation status. Materials and Methods: We retrospectively analyzed a single-center cohort of patients with glioblastoma treated with conventionally fractionated chemoradiation (58–60 Gy in 29–33 fractions). Patients were categorized into two predefined margin groups: <1.5 cm and 1.5 cm. The primary endpoint was overall survival (OS); secondary endpoints included progression-free survival (PFS) and patterns of failure. Survival was assessed using Kaplan–Meier estimates and Cox regression, including an interaction term with MGMT status. Results: Among 102 eligible patients, 95 were included in the margin-based OS analysis. Reduced margins (<1.5 cm; applied range 1.0–1.4 cm) were not associated with worse OS, either overall or within MGMT subgroups. No significant differences were observed in PFS or recurrence patterns, with overlapping distributions and no increase in marginal or out-of-field recurrences. MGMT methylation and gross total resection were independently associated with improved survival, while no statistically significant interaction between margin and MGMT status was detected. Conclusions: In this retrospective exploratory cohort, reduced GTV-to-CTV margins were not associated with a clear signal of worse survival or less favorable recurrence patterns. These findings are consistent with the oncological adequacy of margins around 15 mm and justify cautious prospective evaluation of whether further reduction can be achieved safely, including formal assessment of toxicity, neurocognitive outcomes, and quality of life. Full article
(This article belongs to the Special Issue Brain Tumors: From Molecular Basis to Therapy)
10 pages, 4758 KB  
Case Report
A Case of Primary EGFR T790M Mutation in Treatment-Naïve Advanced NSCLC: Clinical and Molecular Implications
by George Dimitrov, Elitsa Kraevska, Vladislav Nankov, Victoria Hlebarova and Savelina Popovska
Curr. Oncol. 2026, 33(5), 244; https://doi.org/10.3390/curroncol33050244 - 24 Apr 2026
Abstract
Background: De novo (pretreatment) EGFR T790M mutation is a rare molecular finding in non-small cell lung cancer (NSCLC) and has historically been associated with primary resistance to first- and second-generation EGFR tyrosine kinase inhibitors (TKIs). Evidence guiding optimal first-line management in this subgroup, [...] Read more.
Background: De novo (pretreatment) EGFR T790M mutation is a rare molecular finding in non-small cell lung cancer (NSCLC) and has historically been associated with primary resistance to first- and second-generation EGFR tyrosine kinase inhibitors (TKIs). Evidence guiding optimal first-line management in this subgroup, particularly in elderly patients, remains limited. Case Presentation: We report a case of an elderly patient with treatment-naïve advanced non-squamous NSCLC harboring a concurrent EGFR exon 19 deletion and de novo EGFR T790M mutation. Given the patient’s age, significant cardiopulmonary comorbidities, and absence of rapidly progressive disease, a multidisciplinary tumor board recommended first-line osimertinib monotherapy. Treatment was well tolerated, with rapid improvement in performance status and no clinically significant adverse events. Serial contrast-enhanced CT restaging demonstrated RECIST 1.1–defined stable disease, without development of new visceral, nodal, cerebral, or osseous metastases. The patient remains on continuous osimertinib therapy with durable disease control at the time of manuscript preparation. Conclusion: Primary EGFR T790M–positive NSCLC can achieve durable disease control with first-line osimertinib, even in advanced age. While combination strategies with chemotherapy may improve survival outcomes in selected patients, treatment decisions in elderly individuals must carefully balance efficacy, toxicity, and quality of life. Chronological age alone should not discourage active targeted treatment when guided by molecular profiling and comprehensive clinical assessment. Full article
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13 pages, 1580 KB  
Article
Nutritional Indices Are Associated with Mortality in the Elderly Patients Undergoing Left Atrial Appendage Occlusion: A Comparative Study of CONUT, GNRI, and PNI
by Ugur Karagoz, Enise Nur Ozlem Tiryaki, Enis Behcet Agirdici, Berke Ege, Muhammet Mucahit Tiryaki, Emre Ozdemir and Sadık Volkan Emren
J. Cardiovasc. Dev. Dis. 2026, 13(5), 177; https://doi.org/10.3390/jcdd13050177 - 24 Apr 2026
Abstract
Background: We investigated the prognostic value of nutritional indices in patients with atrial fibrillation (AF) undergoing percutaneous left atrial appendage occlusion (LAAO). Methods: This two-center retrospective study enrolled 151 patients (median age 75, IQR: 69–80) undergoing LAAO. The Controlling Nutritional Status (CONUT) score, [...] Read more.
Background: We investigated the prognostic value of nutritional indices in patients with atrial fibrillation (AF) undergoing percutaneous left atrial appendage occlusion (LAAO). Methods: This two-center retrospective study enrolled 151 patients (median age 75, IQR: 69–80) undergoing LAAO. The Controlling Nutritional Status (CONUT) score, Geriatric Nutritional Risk Index (GNRI), and Prognostic Nutritional Index (PNI) were calculated preoperatively. Endpoints included all-cause mortality (primary), postoperative bleeding, and stroke. Associations with mortality were analyzed using multivariable Cox regression models. Results: Over a median follow-up of 8 months (IQR: 5–13), 28 patients (18.5%) died. In multivariable analyses (adjusted for age, sex, diabetes, and chronic kidney disease), each 1-point increase in the CONUT score was associated with a higher risk of all-cause mortality (HR 1.196, 95% CI 1.029–1.390; p = 0.020), whereas higher GNRI values were associated with a lower mortality risk (HR 0.956, 95% CI 0.915–0.998; p = 0.042). In contrast, PNI was not associated with mortality (p = 0.993). Nutritional indices did not significantly predict secondary outcomes like bleeding or stroke. Conclusions: These findings suggest that malnutrition is strongly and independently associated with mortality in high-risk AF patients receiving LAAO. The CONUT score demonstrates the most robust association in this population, highlighting the importance of metabolic reserves. Full article
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12 pages, 301 KB  
Article
Local Anesthesia for Complex F/BEVAR in a High-Risk Cohort: A Single-Center Feasibility Study
by Natasha Hasemaki, Ihza Fachriza, Jan Stana, Alexia-Vasiliki Amvrazi, David Khangholi, Tugce Öz, Nikolaos Konstantinou and Nikolaos Tsilimparis
J. Clin. Med. 2026, 15(9), 3257; https://doi.org/10.3390/jcm15093257 - 24 Apr 2026
Abstract
Background/Objectives: Fenestrated and branched endovascular aortic repair (F/BEVAR) is increasingly used for the treatment of complex aortic aneurysms, and is traditionally performed under general anesthesia (GA). Data on the use of local anesthesia (LA) for F/BEVAR remain limited. This study aimed to [...] Read more.
Background/Objectives: Fenestrated and branched endovascular aortic repair (F/BEVAR) is increasingly used for the treatment of complex aortic aneurysms, and is traditionally performed under general anesthesia (GA). Data on the use of local anesthesia (LA) for F/BEVAR remain limited. This study aimed to report early outcomes of F/BEVAR performed under LA versus GA, with a focus on feasibility and perioperative complications in a high-risk patient population. Methods: This single-center retrospective analysis included patients undergoing F/BEVAR under LA or GA. Primary outcomes were in-hospital mortality and in-hospital complications. Secondary outcomes included early reintervention, intensive care unit and hospital length of stay, blood transfusion requirements, and technical success. Results: A total of 359 patients were included, of whom 25 (7.0%) were treated under LA and 334 (93.0%) under GA. Conversion from LA to GA occurred in 6 patients (24%). Patients in the LA group represented a higher-risk cohort, with advanced age, higher ASA class, larger aneurysm diameters, and a greater proportion of emergency and ruptured repairs. Technical success was high, and procedural metrics were within expected ranges. In-hospital mortality was numerically higher in the LA group (12.0% vs. 2.9%, p = 0.05). Overall, in-hospital complications were more frequent in the LA group (68.0% vs. 41.3%, p = 0.009), including a higher rate of spinal cord ischemia (24.0% vs. 8.5%, p = 0.02). Blood transfusion requirements were also greater in patients treated under LA (p = 0.004), while blood loss, ICU stay, and hospital length of stay were comparable. Early reintervention occurred more frequently in the LA group (31.8% vs. 10.4%, p = 0.009). Conclusions: LA appears feasible in selected high-risk patients undergoing complex F/BEVAR. However, given substantial baseline differences between groups, no conclusions can be drawn regarding comparative safety or efficacy relative to GA. These findings should be considered preliminary. Full article
15 pages, 611 KB  
Article
Early Predictors of In-Hospital Mortality and Cardiac Dysfunction in Patients with ST-Segment Elevation Myocardial Infarction Undergoing Early Revascularization
by Corina Cinezan, Alexandra Manuela Buzle and Camelia Bianca Rus
J. Clin. Med. 2026, 15(9), 3256; https://doi.org/10.3390/jcm15093256 - 24 Apr 2026
Abstract
Background: Despite advances in reperfusion therapy, ST-segment elevation myocardial infarction (STEMI) remains associated with substantial morbidity and mortality. Early identification of predictors of adverse outcomes is essential for improving risk stratification. Methods: This retrospective study included 512 STEMI patients who underwent coronary [...] Read more.
Background: Despite advances in reperfusion therapy, ST-segment elevation myocardial infarction (STEMI) remains associated with substantial morbidity and mortality. Early identification of predictors of adverse outcomes is essential for improving risk stratification. Methods: This retrospective study included 512 STEMI patients who underwent coronary revascularization within 6 h of symptom onset. Clinical, laboratory, angiographic and echocardiographic variables were analyzed. The primary endpoint was in-hospital mortality. Secondary outcomes included reduced left ventricular ejection fraction (LVEF < 40%) and moderate-to-severe ischemic mitral regurgitation (IMR). Independent predictors of in-hospital mortality were identified using multivariable logistic regression, while secondary outcomes were described to characterize the study population. Model performance was evaluated using ROC analysis. Results: In-hospital mortality occurred in 9.4% of patients. Reduced LVEF was present in 26.2%, and IMR in 10.9%. Independent predictors of mortality included LVEF < 40% (OR 5.72, 95% CI 2.77–11.80, p < 0.001), IMR (OR 2.61, 95% CI 1.14–5.97, p = 0.023), lower hemoglobin levels (OR 0.74, 95% CI 0.61–0.91, p = 0.003), and reduced glomerular filtration rate (OR 0.96, 95% CI 0.95–0.98, p < 0.001). The model demonstrated good discrimination (AUC 0.88). Complete revascularization was not independently associated with mortality. Conclusions: Left ventricular dysfunction, IMR, anemia, and renal impairment are strong predictors of in-hospital mortality in STEMI patients. Integrating echocardiographic and laboratory parameters may improve early risk stratification and guide clinical decision-making. Full article
(This article belongs to the Special Issue Acute Myocardial Infarction: Diagnosis, Treatment, and Rehabilitation)
27 pages, 2628 KB  
Systematic Review
Unmasking Risk in Mitral Regurgitation: Prognostic Value of Exercise Stress Echocardiography—A Systematic Review
by Andrea Sonaglioni, Massimo Baravelli, Giulio Francesco Gramaglia, Gian Luigi Nicolosi and Michele Lombardo
J. Clin. Med. 2026, 15(9), 3253; https://doi.org/10.3390/jcm15093253 - 24 Apr 2026
Abstract
Background: Risk stratification of patients with mitral regurgitation (MR), including both primary (degenerative) and secondary (functional) forms, remains challenging, particularly in asymptomatic or minimally symptomatic stages, as clinical assessment and resting echocardiography may underestimate disease severity and functional impairment. Exercise stress echocardiography (ESE) [...] Read more.
Background: Risk stratification of patients with mitral regurgitation (MR), including both primary (degenerative) and secondary (functional) forms, remains challenging, particularly in asymptomatic or minimally symptomatic stages, as clinical assessment and resting echocardiography may underestimate disease severity and functional impairment. Exercise stress echocardiography (ESE) enables dynamic evaluation of regurgitation severity, ventricular performance, and cardiopulmonary response, potentially improving prognostic assessment. Methods: A systematic review was conducted according to PRISMA guidelines. PubMed, Scopus, and EMBASE were searched from inception to March 2026. Studies including adult patients with primary or secondary MR undergoing exercise-based stress echocardiography and reporting clinical outcomes were selected. Studies using exclusively pharmacological stress were excluded. Data were qualitatively synthesized, and continuous variables were summarized as weighted medians and interquartile ranges. In addition, emerging and non-conventional prognostic markers, including anatomical indices such as the modified Haller index (MHI), were explored to provide a more comprehensive risk stratification framework. Results: Nineteen studies were included, encompassing a heterogeneous population in terms of MR etiology, severity, and clinical presentation. During follow-up, a substantial proportion of patients experienced adverse events, including heart failure, mitral valve intervention, or death. Exercise-derived parameters consistently showed strong prognostic value. In particular, exercise-induced worsening of MR severity (increase in effective regurgitant orifice area and regurgitant volume), absence of contractile reserve, elevated filling pressures (E/e’), and exercise-induced pulmonary hypertension were associated with worse outcomes. Reduced functional capacity and impaired right ventricular–pulmonary arterial coupling provided additional prognostic information. Emerging markers, including chest wall configuration assessed by MHI, appeared to further refine risk stratification in selected patient subsets. In contrast, resting parameters were less consistently predictive. Conclusions: ESE provides incremental prognostic information in patients with MR by identifying dynamic abnormalities not evident at rest. Its integration into clinical evaluation, together with novel anatomical and functional markers, may improve risk stratification and support earlier identification of high-risk patients who could benefit from timely intervention. Further studies are needed to standardize methodologies and define clinically relevant thresholds. Full article
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29 pages, 914 KB  
Article
Informal Financial Credit and Sustainable Livelihoods: Determinants and Delinquency Patterns Among Microentrepreneurs in the Peruvian Amazon
by David Daniel Simons-Cappa, Herbert Victor Huaranga-Rivera, Angélica Sánchez-Castro, Claudia Elizabeth Ruiz-Camus, Teodoro Víctor Cabezas-Ramírez, Andrés Alejandro Juárez-Rivero and Raquel Alexandra Vega-Chavez
Sustainability 2026, 18(9), 4249; https://doi.org/10.3390/su18094249 (registering DOI) - 24 Apr 2026
Abstract
Financial exclusion remains a critical barrier to sustainable economic development in emerging economies, particularly among microentrepreneurs who depend on informal financial credit (IFC) to sustain their livelihoods. This study aims to examine the determinants and consequences of IFC utilization and their relationship with [...] Read more.
Financial exclusion remains a critical barrier to sustainable economic development in emerging economies, particularly among microentrepreneurs who depend on informal financial credit (IFC) to sustain their livelihoods. This study aims to examine the determinants and consequences of IFC utilization and their relationship with distinct delinquency patterns among microentrepreneurs in the Peruvian Amazon. A cross-sectional survey was administered to 310 microentrepreneurs from the central market of Yurimaguas during the first quarter of 2024 using partial least squares structural equation modeling (PLS-SEM). Four determinants of IFC—motivation, lender choice, loan conditions, and financial stress—were tested alongside their influence on three delinquency types: accidental, intentional, and negligent. The results indicate that psychological motivation and social lender choice are the primary and statistically significant drivers of IFC utilization, whereas loan conditions showed no significant association. Regarding delinquency outcomes, IFC is significantly and positively associated with accidental and intentional delinquency, yet paradoxically shows a significant negative association with negligent delinquency, suggesting that trust-based social enforcement mechanisms embedded in informal lending relationships may constrain negligent default behavior. These differentiated effects underscore the dual nature of informal credit as both a livelihood-sustaining mechanism and a source of financial vulnerability. The findings contribute to the understanding of financial sustainability in excluded populations by providing empirical evidence that effective interventions must address the psychological and relational dimensions of credit behavior, rather than focusing solely on structural loan characteristics. Key limitations include the cross-sectional design, which precludes causal inference, and the geographic focus on a single market in the Peruvian Amazon, which restricts generalizability. This study offers actionable insights for policymakers and microfinance institutions seeking to design inclusive financial strategies aligned with Sustainable Development Goals 1 (No Poverty), 8 (Decent Work and Economic Growth), and 10 (Reduced Inequalities). Full article
(This article belongs to the Section Economic and Business Aspects of Sustainability)
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25 pages, 703 KB  
Review
Eye-Tracking-Based Interventions for School-Age Specific Learning Disorders: A Narrative Review of Functional Assessment and Gaze-Contingent Training
by Pierluigi Diotaiuti, Francesco Di Siena, Salvatore Vitiello, Alessandra Zanon, Pio Alfredo Di Tore and Stefania Mancone
J. Eye Mov. Res. 2026, 19(3), 42; https://doi.org/10.3390/jemr19030042 - 24 Apr 2026
Abstract
Eye tracking (ET) provides process-level indices of how students sample task-relevant information during core academic activities. In school-age learners (6–18 years) with specific learning disorders (SLDs; dyslexia, dysgraphia, and dyscalculia), ET can complement behavioural assessment by quantifying oculomotor patterns linked to decoding, model–production [...] Read more.
Eye tracking (ET) provides process-level indices of how students sample task-relevant information during core academic activities. In school-age learners (6–18 years) with specific learning disorders (SLDs; dyslexia, dysgraphia, and dyscalculia), ET can complement behavioural assessment by quantifying oculomotor patterns linked to decoding, model–production coordination, and stepwise strategy execution. This narrative review synthesises ET findings in SLD across reading, handwriting/copying, and arithmetic and translates them into an applied framework for school-oriented use. We summarise key metrics and Areas of Interest (AOI)-based analyses, highlight technical and data-quality requirements for valid acquisition in educational settings, and outline compact functional assessment protocols integrated with standard academic and neuropsychological measures. Building on these foundations, we propose six hypothesis-driven gaze-contingent paradigms (H1–H6) as preliminary models for future experimental testing rather than as established interventions, and we map each to its current level of empirical support, specifying primary gaze outcomes and curriculum-relevant behavioural endpoints. We emphasise that eye-movement findings in specific learning disorders are heterogeneous and may vary as a function of age, task demands, and comorbidity. Accordingly, credible training effects require retention and transfer probes under standard, non-contingent display conditions, appropriate controls, and explicit developmental interpretation. Eye tracking is positioned as complementary functional evidence and as a platform for experimentally testable, mechanism-based interventions in school-age specific learning disorders. Full article
(This article belongs to the Special Issue Eye Movements in Reading and Related Difficulties)
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20 pages, 8673 KB  
Systematic Review
Lymphoma Related to the Ventricular System: A Rare Case Report and Systematic Review of Intraventricular Lymphomas
by Maksymilian Niemczyk, Justyna Fercho, Szymon Goldszmyt, Bogdan Jabłoński, Oskar G. Chasles, Jakub Soboń, Marcin Birski, Jacek Szypenbejl, Maciej Mielczarek, Marek Harat, Mariusz Siemiński and Jacek Furtak
Med. Sci. 2026, 14(2), 211; https://doi.org/10.3390/medsci14020211 - 24 Apr 2026
Abstract
Background: Intraventricular central nervous system (CNS) lymphoma is an atypical presentation of extranodal lymphoma, whether primary or secondary. The most commonly diagnosed subtype of lymphoma is diffuse large B-cell lymphoma (DLBCL). There is a documented relation of HIV, EBV and KSHV infections [...] Read more.
Background: Intraventricular central nervous system (CNS) lymphoma is an atypical presentation of extranodal lymphoma, whether primary or secondary. The most commonly diagnosed subtype of lymphoma is diffuse large B-cell lymphoma (DLBCL). There is a documented relation of HIV, EBV and KSHV infections with lymphomagenesis. AIDS-related lymphomas (ARLs) are described as a defining illness of the acquired immunodeficiency syndrome (AIDS). This study presents a novel case and systematic review of clinical, radiographic and histopathological features of intraventricular lymphomas. Methods: We report on a 27-year-old woman with a left lateral ventricle DLBCL with surrounding edema treated with steroids. A systematic review of 147 additional cases (1977–2025) was conducted, analyzing patient demographics, tumor characteristics, clinical features, imaging, treatment, and outcomes. The tumor locations were divided into three groups depending on the extent of ventricular involvement. Descriptive statistics summarized findings. Findings: 147 cases (mean age, 54.2 years; range, 3–87; 63.3% male) were analyzed. Immunodeficiency in patients was unusual (6.1%). Fully intraventricular lesions were the most common presentation (52.4%), with systemic involvement solely in 10 cases (6.8%). The lesions were predominantly located in the lateral ventricles or fourth ventricles (46 times each), and bilateral involvement was noted 37 additional times. DLBCL was diagnosed in 101 cases (78.9%). Interpretation: Intraventricular involvement in central nervous system lymphoma poses a diagnostic and therapeutic challenge due to non-specific symptoms and atypical locations. Adding to the diagnostic difficulty of intraventricular masses in young patients, we wish to highlight that immunocompromised patients are a notably insignificant subgroup of patients in our study. Full article
(This article belongs to the Special Issue Feature Papers in Section “Cancer and Cancer-Related Research”)
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17 pages, 303 KB  
Article
Predictive vs. Flow-Derived Haemodynamic Monitoring in Major Abdominal Surgery: Associations with Intraoperative Hypotension and Postoperative Outcomes
by Alejandro Martín-Arrabal, Francisco M. Peinado, Miguel A. Arrabal-Polo, Antonio J. Gálvez-Muñoz, Tomás Saz-Terrado, María M. Olvera-García, María S. Serrano-Atero, Simón López-Soto and Mariana F. Fernández
Med. Sci. 2026, 14(2), 210; https://doi.org/10.3390/medsci14020210 - 24 Apr 2026
Abstract
Introduction: Intraoperative hypotension (IOH) is a frequent manifestation of haemodynamic instability during general anaesthesia. Advances in arterial waveform analysis have led to two distinct monitoring strategies: flow-derived platforms and predictive algorithms designed to anticipate hypotension. However, prospective comparisons and their associations with IOH [...] Read more.
Introduction: Intraoperative hypotension (IOH) is a frequent manifestation of haemodynamic instability during general anaesthesia. Advances in arterial waveform analysis have led to two distinct monitoring strategies: flow-derived platforms and predictive algorithms designed to anticipate hypotension. However, prospective comparisons and their associations with IOH and postoperative outcomes remain limited. The objective was to compare predictive haemodynamic monitoring using the Hypotension Prediction Index (HPI) with flow-derived monitoring using the Vigileo/FloTrac system and to evaluate their associations with IOH and postoperative outcomes. Methods: In this single-center prospective observational study, 101 adults undergoing elective major abdominal surgery under general anaesthesia were monitored using either the HPI system (n = 49) or the Vigileo/FloTrac system (n = 52). Primary outcomes were cumulative duration and frequency of IOH (mean arterial pressure < 65 mmHg). Secondary outcomes included postoperative complications, organ injury biomarkers (troponin, creatinine, eGFR), and hospital length of stay. Multivariable regression models adjusted for predefined confounders were used to estimate associations. Results: Vigileo/FloTrac monitoring, compared with HPI, was independently associated with a greater cumulative duration of IOH (adjusted β = 1.66; 95% CI, 0.63–2.72) and a higher number of hypotensive episodes (adjusted β = 0.53; 95% CI, 0.10–0.95). Monitoring strategy was not associated with surgical site, respiratory, or neurological complications. However, Vigileo/FloTrac monitoring was associated with higher odds of vascular complications (adjusted OR = 4.36; 95% CI, 1.13–20.41). No significant associations were observed between monitoring strategy and postoperative organ injury biomarkers or length of hospital stay. Conclusions: Predictive haemodynamic monitoring using the HPI system was associated with lower IOH burden compared with the Vigileo/FloTrac system. However, these differences were not consistently accompanied by improvements in postoperative outcomes. Haemodynamic optimisation should be considered as one component within a broader, integrated perioperative management strategy. Further large-scale, multicenter prospective studies are warranted to clarify its impact on patient-centered outcomes. Full article
16 pages, 554 KB  
Review
Gordon’s Functional Health Patterns and Their Association with Patient and Organizational Outcomes: A Scoping Review
by Clarissa Santos de Lima Araújo, Larissa Maiara da Silva Alves Souza, Agueda Mª Ruiz Zimmer Cavalcante, Janaína Guimarães Valadares, Flaviana Vely Mendonça Vieira, Dorothy Jones, Natália Del Angelo Aredes and Luca Bertocchi
Healthcare 2026, 14(9), 1144; https://doi.org/10.3390/healthcare14091144 - 24 Apr 2026
Abstract
Background/Objectives: Nursing assessment frameworks play a critical role in guiding holistic patient evaluations, standardizing documentation, and supporting organizational quality and safety initiatives. Among these, Gordon’s Functional Health Patterns (FHPs) offer a comprehensive and widely used framework for nursing assessment. However, no review [...] Read more.
Background/Objectives: Nursing assessment frameworks play a critical role in guiding holistic patient evaluations, standardizing documentation, and supporting organizational quality and safety initiatives. Among these, Gordon’s Functional Health Patterns (FHPs) offer a comprehensive and widely used framework for nursing assessment. However, no review has synthesized evidence on their association with outcomes. This scoping review aimed to map evidence on the use of FHPs in relation to patient and organizational outcomes, and to examine their integration into electronic health records (EHRs) and the analytical methods employed. Method: A scoping review was conducted following Joanna Briggs Institute methodology and PRISMA-ScR guidelines. PubMed, CINAHL, and Scopus were searched for quantitative primary studies reporting associations between FHPs and outcomes, and the final search was conducted on 22 March 2024. Three reviewers independently screened abstracts and full texts and extracted data. Results: Seven studies met the inclusion criteria. FHPs’ use was associated with improvements in several patient outcomes, including quality of life, psychological well-being, clinical parameters, self-management, dependency level, and functional performance. Organizational outcomes included reduced hospital readmission rates and a positive association between FHP-derived nursing diagnoses and nursing workload. Most studies used standardized nursing terminologies such as NANDA-I, NOC, or NIC, in conjunction with FHPs. Over half of the studies used EHR-based nursing documentation, reflecting increasing digital integration and enabling more structured and interoperable nursing data. Methodological approaches varied widely: most studies used associative analyses, two employed experimental designs, and one investigated the predictive utility of FHP-based assessment data. Conclusions: FHPs provide a structured framework for nursing practice with potential benefits for patient and organizational outcomes. Their increasing integration into EHRs supports standardized documentation and data-driven nursing practice, enhancing assessment quality, diagnostic accuracy, and the availability of structured data for clinical and managerial decision-making in health information systems. Further experimental and longitudinal research is needed to strengthen causal evidence and guide implementation. Full article
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