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13 pages, 891 KB  
Article
Prognostic Impact of Frailty in Transcatheter Aortic Valve Implantation
by Ivana Jurin, Daniel Unić, Nikola Pavlović, Marin Pavlov, Savica Gjorgjievska, Tomislav Šipić, Šime Manola, Igor Rudež, Ana Šerman, Antonio Bulum, Karlo Gjuras and Irzal Hadžibegović
J. Cardiovasc. Dev. Dis. 2026, 13(3), 137; https://doi.org/10.3390/jcdd13030137 - 13 Mar 2026
Viewed by 129
Abstract
Background: Frailty strongly influences outcomes after transcatheter aortic valve implantation (TAVI), but conventional risk models insufficiently capture functional and cognitive vulnerability. We compared conventional surgical risk scores with multidimensional frailty assessment and a biological score. Methods: This observational registry included 528 consecutive patients [...] Read more.
Background: Frailty strongly influences outcomes after transcatheter aortic valve implantation (TAVI), but conventional risk models insufficiently capture functional and cognitive vulnerability. We compared conventional surgical risk scores with multidimensional frailty assessment and a biological score. Methods: This observational registry included 528 consecutive patients with severe symptomatic aortic stenosis undergoing TAVI between January 2019 and November 2024. Frailty was assessed using the Essential Frailty Toolset (EFT), Katz Index, and cognitive screening, alongside French Aortic National CoreValve and Edwards 2 (FRANCE-2) and Age, Creatinine, and Ejection Fraction (ACEF) scores. HALP was calculated as (haemoglobin × albumin × lymphocytes) ÷ platelets. Primary endpoints were 30-day, 6-month, and 1-year all-cause mortality. Secondary outcomes included non-fatal major adverse cardiovascular events (MACE), complications, and quality-of-life improvement. Results: One-year mortality was 12.7%. EFT and Katz Index showed the strongest discrimination for 1-year mortality (AUC 0.72 and 0.75), outperforming EuroSCORE II and STS-PROM (AUC 0.66 and 0.68). After adjustment, EFT (HR 1.91, 95% CI 1.47–2.48), Katz Index (HR 0.57, 95% CI 0.47–0.70, and cognitive impairment (HR 2.24, 95% CI 1.34–3.75) independently predicted 1-year mortality. HALP was not associated with outcomes. FRANCE-2 independently predicted 1-year MACE (HR 1.24, p = 0.019). Conclusions: Functional frailty and cognitive impairment add prognostic value beyond conventional comparator models, whereas HALP does not. Brief functional and cognitive screening may help Heart Teams identify patients who need closer peri-procedural optimisation, rehabilitation planning, and discharge support rather than relying on surgical risk scores alone. Full article
(This article belongs to the Section Cardiovascular Clinical Research)
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16 pages, 955 KB  
Article
Structural and Non-Structural Deterioration After Biological Aortic Valve Replacement: Long-Term Outcomes of 918 High-Risk Patients
by Jan Hlavička, Julian Landgraf, Andreas Winter, Mascha von Zeppelin, Yasemin Ilgin, Razan Salem, Florian Hecker, Thomas Walther and Tomas Holubec
J. Cardiovasc. Dev. Dis. 2026, 13(2), 87; https://doi.org/10.3390/jcdd13020087 - 11 Feb 2026
Viewed by 506
Abstract
Introduction: The global disease burden of aortic valve disease is already substantial and is projected to rise significantly in the coming decades. Aortic valve replacement (AVR) with a biological prosthesis has become highly popular and commonly used. This study aims to assess long-term [...] Read more.
Introduction: The global disease burden of aortic valve disease is already substantial and is projected to rise significantly in the coming decades. Aortic valve replacement (AVR) with a biological prosthesis has become highly popular and commonly used. This study aims to assess long-term outcomes after biological AVR with regard to structural and non-structural deterioration. Methods: In this single-centre retrospective study, 918 patients undergoing surgical AVR with a biological prosthesis at the University Hospital Frankfurt from January 2006 to July 2009 were included. The primary endpoints were freedom from reoperation and from structural and non-structural deterioration, and the secondary was long-term survival. Follow-up was completed in 95.6% with a median of 7.6 years, accounting 6610 patient-years. The mean age was 74.9 years and a median EuroSCORE II (range) was 3.34 (0.77–62.4). Twenty-two percent of surgeries were either emergent or urgent. Many patients had concomitant surgery, while coronary artery bypass grafting in 45.3% of patients was the most common. Three prosthetic valve models were used in our patient population: Carpentier Edwards Perimount (CEP) Model 2900, Model 3000 and Medtronic Mosaic (MM). Results: Reoperation occurred in 36 patients (3.9%) due to endocarditis (2.0%), aortic root aneurysm (0.1%), isolated or combined aortic stenosis or aortic regurgitation (1.9%). Freedom from reoperation at 5, 10 and 15 years was 97 ± 0.6%, 95.6 ± 0.8% and 90.3 ± 2.3%, respectively. Freedom from major stroke at 5, 10 and 15 years was 97.9 ± 0.0%, 96.4 ± 0.8%, and 96.1 ± 0.08%, and freedom from major bleeding event at 5, 10 and 15 years was 98.5 ± 0.4%, 95.7 ± 0.9% and 92.7 ± 2.2%, respectively. A subgroup analysis of the Carpentier Edwards (CEP) valves and the Medtronic Mosaic (MM) valves showed no significant differences regarding the primary endpoints. The overall survival at 5, 10 and 15 years was 67 ± 1.7%, 39.8 ± 1.8%, and 15.1 ± 2.2% respectively. The Kaplan–Meier survival estimator was 96 ± 2.2 months. Conclusion: This study showed a good long-term survival of surgical AVR with biological prostheses in relatively high-risk and elderly patient population. All biological prosthetic valves showed good long-term durability with low levels of complications and reoperations. The different models did not show any significant differences. Surgical AVR remains a valuable therapeutic option even though transcatheter aortic valve implantation has been greatly expanded since its introduction. Full article
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21 pages, 3996 KB  
Article
Assessing the Characteristics of Modern Valvuloplasty Balloons Using a Robotic Non-Contact Optical Approach
by Jiazhe Tang, Xiaoyu Huang, Timothy Williams, David Hildick-Smith, Rodrigo Aviles-Espinosa and Elizabeth Rendon-Morales
Hearts 2025, 6(4), 25; https://doi.org/10.3390/hearts6040025 - 28 Oct 2025
Viewed by 3253
Abstract
Background: Balloon aortic valvuloplasty is a procedure for treating aortic stenosis, as well as being a preliminary step before transcatheter aortic valve implantation. Balloon aortic valvuloplasty requires inserting a balloon catheter into the aortic valve and repeatedly inflating it to widen the narrowed [...] Read more.
Background: Balloon aortic valvuloplasty is a procedure for treating aortic stenosis, as well as being a preliminary step before transcatheter aortic valve implantation. Balloon aortic valvuloplasty requires inserting a balloon catheter into the aortic valve and repeatedly inflating it to widen the narrowed valve. With a wide range of equipment, operators rely on manufacturer data to guide the balloon use during surgery. However, such data can have variations of up to 10%, which can affect the procedures’ efficacy. Methods: In this paper, we report a bench-top proof-of-concept, automated, non-contact optical system that combines a linear delta robot (ROMI) equipped with a bright-field microscopy system, image stitching, and passive autofocusing algorithms to measure the diameters of aortic valvuloplasty balloons inflated using clinically relevant pressures. The system also introduces a laser projection system, enabling the use of passive autofocus algorithms to allow measuring transparent balloons. We evaluate three balloon brands (TRUE Dilatation, Edwards, and Z-MED II) across commonly used sizes and compare the measured diameters with vendor specifications. The developed system allows us to systematically determine the balloons’ diameters with submillimeter-level accuracy. Results: The experimental data shows that the TRUE Dilatation balloon presented the smallest deviations from the manufacturers’ data, even though the 22 and 24 mm balloons exceeded the 1% tolerance by +2.26% (over-inflation) and −1.56% (under-inflation), respectively. The Edwards Lifesciences and Z-MED II balloons presented inflation diameter variations ranging from −5.97% to + 8.81%, which led to a deviation of the specified balloon diameter of 1.76 mm. The standard error value obtained within our measurements revealed that the balloon diameters were consistent despite multiple inflations and were also resilient to repeated inflations up to the rated burst pressure. Conclusions: These results demonstrate the potential of the system presented herein to be adapted for in situ, contactless pre-operative balloon assessment in clinical settings. Full article
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22 pages, 384 KB  
Article
The Suffering of Innocents, Martin Buber, and a Covenantal Reading of the Book of Job
by Marcia Pally
Religions 2025, 16(10), 1232; https://doi.org/10.3390/rel16101232 - 25 Sep 2025
Viewed by 1306
Abstract
Buber’s analysis of Job, offering four responses to the theodical questions that innocent suffering raises, has been highly influential since its publication in 1942, as has been Steven Kepnes’s more recent application of Buber’s analysis to the Nazi Holocaust. Each of Buber’s specific [...] Read more.
Buber’s analysis of Job, offering four responses to the theodical questions that innocent suffering raises, has been highly influential since its publication in 1942, as has been Steven Kepnes’s more recent application of Buber’s analysis to the Nazi Holocaust. Each of Buber’s specific responses has been, at various points in history and today, taken up by sufferers and by those pondering suffering’s theodical implications. Yet each response retains troubling features. This article, building on Buber and Kepnes, offers an alternate reading of the Book of Job, centering on two points: (i) a possible covenantal, rather than retributive, nature of the God-Job relationship and (ii) an understanding of God’s response to Job as covenantal. This is not to suggest that such a response “solves” suffering, but it is comprehensible to Job from his own knowledge and experience of the world—an important aspect of the covenantal relationship—and is in some measure helpful. The article first reviews Kepnes’s reading of Buber, discusses four aspects of it that remain theodically troubling, and then sketches a covenantal reading of Job, drawing on the work of Edward Greenstein, Moshe Greenberg, David Burrell, Bill McKibben, Susannah Ticciati, and other more recent Jobian scholars. This discussion explores the following: (i) covenant in the Wisdom literature, (ii) a universalist reading of covenant entailing human integrity, reasoned dialogue, and the validity of human knowledge within natural, human capacity, (iii) why Job’s request to God is covenantal, and (iv) why God’s response is as well. Full article
19 pages, 2533 KB  
Article
Temporary Passive Shunt for Visceral Protection During Open Thoracoabdominal Aortic Repair Under Intraoperative Advanced Hemodynamic and Perfusion Monitoring: Tertiary Hospital Institutional Bundle and Preliminary Mid-Term Results
by Ottavia Borghese, Marta Minucci, Elena Jacchia, Pierfrancesco Antonio Annuvolo, Lucia Scurto, Antonio Luparelli, Andrea Russo, Paola Aceto, Tommaso Donati and Yamume Tshomba
J. Clin. Med. 2025, 14(17), 6064; https://doi.org/10.3390/jcm14176064 - 27 Aug 2025
Cited by 1 | Viewed by 1263
Abstract
Background: The perfusion of viscera, kidney, and spinal cord represents one of the main concerns during open repair (OR) of Thoraco-Abdominal Aortic Aneurisms (TAAAs). Passive shunting (PS) has been historically used for intraoperative distal aortic perfusion but has been progressively replaced almost [...] Read more.
Background: The perfusion of viscera, kidney, and spinal cord represents one of the main concerns during open repair (OR) of Thoraco-Abdominal Aortic Aneurisms (TAAAs). Passive shunting (PS) has been historically used for intraoperative distal aortic perfusion but has been progressively replaced almost entirely by partial left-sided heart or total cardiopulmonary bypass with extra-corporeal circulation (ECC). Despite several advantages of these methods, PS still has potential in mitigating some drawbacks of long extracorporeal circuits connected with centrifugal or roller pumps, such as the need for cardiac and great vessels cannulation, priming and large intravascular fluid volume shifts, high heparin dose, immunosuppressive effects, and systemic inflammatory response syndrome. Methods: This study prospectively analyzed data of a cohort of patients who underwent TAAA OR using a PS in a single institution. Outcomes of interest were mortality, rate of mesenteric, renal and spinal cord ischemia, cardiac complications, and intraoperative hemodynamic stability achieved in this setting. Our institutional bundle and a comprehensive literature review about the different configurations and applicability of PS for TAAA OR is also reported. The search was performed based on three databases (PubMed, EMBASE, and Cochrane Library) by two independent reviewers (LS and AA) from inception to 31 December 2023, and the reported clinical results (visceral, renal, and spinal cord complications and mortality) using PS during TAAAs OR were analyzed. Results: Between March 2021 and December 2023, 51 TAAA repairs were performed and eleven patients (n = 8, 73% male; mean age 67 years, range 63–79) were operated using a PS for a total of one (9%) type I, one (9%) type II, two (18%) type III, five (45%) type IV, and two (18%) type V TAAA. In our early experience, PS was indicated for limited staff resources during the COVID-19 pandemic to treat five non-deferable cases. The sixth and seventh patients were selected for PS as they already had a functioning axillo-bifemoral bypass that was used for this purpose. For the most recent cases, PS was chosen as the primary perfusion method according to a score based on clinical and anatomical factors with ECC as a bailout strategy. Selective renal perfusion with cold (4 °C) Custodiol solution was the method of choice for renal protection in all cases while antegrade perfusion of the coeliac trunk and the superior mesenteric artery was assured by PS through a loop graft (8–10mm) proximally anastomosed to the axillary artery (10 patients, 90.9%) or the descending thoracic aorta (one patient, 9%) and distally anastomosed to the infrarenal aorta (3), common iliac (3), or femoral vessels (5). In-hospital mortality was 9% as one patient died on the 10th postoperative day from mesenteric ischemia following hemodynamic instability; permanent spinal cord ischemia rate was 0% and the rate of AKI stage 3 was 9% (one patient). Bailout shifting to ECC was never required. No cardiac complications, nor a significant increase in serum CK-MB were reported in any patient. No prolonged severe intraoperative hypotension episodes (Mean Arterial Pressure < 50 mmHg) were assessed using the Software Acumen Analytics (Edwards LifeSciences, Irvine CA, USA). No peri-operative coagulopathy nor major bleeding was reported. Conclusions: Our experience showed satisfactory outcomes with the use of PS in specifically selected cases. Current data indicate that PS may represent an alternative to ECC techniques during TAAAs OR in high volume centers where assisted extracorporeal circulation could eventually be applied as a bailout strategy. However, due to the small sample size of this and previously published series, more data are needed to clearly define the potential role of such approach during TAAA OR. Full article
(This article belongs to the Special Issue Vascular Surgery: Current Status and Future Perspectives)
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11 pages, 623 KB  
Article
A TAVI Programme Without an On-Site Cardiac Surgery Department: A Single-Center Retrospective Study
by Rami Barashi, Mustafa Gabarin, Ziad Arow, Ranin Hilu, Ilya Losin, Ivan Novikov, Karam Abd El Hai, Yoav Arnson, Yoram Neuman, Koby Pesis, Ziyad Jebara, David Pereg, Edward Koifman, Abid Assali and Hana Vaknin-Assa
J. Clin. Med. 2025, 14(15), 5449; https://doi.org/10.3390/jcm14155449 - 2 Aug 2025
Cited by 2 | Viewed by 1522
Abstract
Background: Aortic stenosis (AS) is the most common valvular heart disease, associated with poor outcomes if left untreated. Current guidelines recommend that transcatheter aortic valve implantation (TAVI) procedures be performed in hospitals with an on-site cardiac surgery unit due to potential complications [...] Read more.
Background: Aortic stenosis (AS) is the most common valvular heart disease, associated with poor outcomes if left untreated. Current guidelines recommend that transcatheter aortic valve implantation (TAVI) procedures be performed in hospitals with an on-site cardiac surgery unit due to potential complications requiring surgical intervention. Objective: Based on our experience, we evaluated the feasibility and outcomes of implementing a TAVI program in a cardiology department without an on-site cardiac surgery unit, in collaboration with a remote hospital for surgical backup. Methods: The TAVI program involved pre- and post-procedural evaluations conducted at Meir Medical Center (Kfar Saba, Israel) with a remote surgical team available. The study population included 149 consecutive patients with severe aortic stenosis treated at the Meir valve clinic between November 2019 and December 2023. Procedures were performed by the center’s interventional cardiology team. Results: The mean age of the 149 patients was 80 ± 6 years, and 75 (50%) were female. The average STS score was 4.3, and the EuroSCORE II was 3.1. Among the patients, 68 (45%) were classified as New York Heart Association (NYHA) class III-IV. The valve types used included ACURATE neo2 (57 patients, 38%), Edwards SAPIEN 3 (43 patients, 28%), Evolut-PRO (41 patients, 27%), and Navitor (7 patients, 4%). There were no cases of moderate to severe paravalvular leak and no elevated post-implantation gradients, and there was no need for urgent cardiac surgery. One case of valve embolization was successfully managed percutaneously during the procedure. In-hospital follow-up revealed no deaths and only one major vascular complication. At one-year follow-up, six patients had died, with only one death attributed to cardiac causes. Conclusions: Our findings support the safe and effective performance of transfemoral TAVI in cardiology departments without on-site cardiac surgery, in collaboration with a remote surgical team. Further prospective, multicenter studies are warranted to confirm these results and guide broader clinical implementation of this practice. Full article
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14 pages, 993 KB  
Article
Early Outcomes of the PhysioFlex Semi-Rigid Open Annuloplasty Ring: A Minimally Invasive Mitral Valve Repair Cohort Analysis
by Martina Dini, Serdar Akansel, Kristin Wilkens, Emilija Miskinyte, Stephan Jacobs, Volkmar Falk, Jörg Kempfert and Markus Kofler
J. Clin. Med. 2025, 14(12), 4155; https://doi.org/10.3390/jcm14124155 - 11 Jun 2025
Viewed by 1117
Abstract
Objectives: New generations of annuloplasty rings are designed to combine structural support with enhanced flexibility, allowing for better adaptation to the dynamic nature of the mitral annulus. This study investigated the early clinical and echocardiographic outcomes of minimally invasive mitral valve repair [...] Read more.
Objectives: New generations of annuloplasty rings are designed to combine structural support with enhanced flexibility, allowing for better adaptation to the dynamic nature of the mitral annulus. This study investigated the early clinical and echocardiographic outcomes of minimally invasive mitral valve repair (MI-MVr) with a new semi-rigid open ring (PhysioFlex, annuloplasty ring, Edwards Lifesciences, Irvine, CA, USA). Methods: A total of 150 consecutive patients who underwent MI-MVr for severe degenerative mitral regurgitation (DMR) using the PhysioFlex annuloplasty ring between June 2021 and April 2024 were included in the study. Preoperative, intraoperative, and postoperative data were collected for the entire population. A three-dimensional mitral valve reconstruction analysis was performed across the entire cohort using a semi-automated software package (4D Mitral Valve Analysis; Tomtec Imaging Systems, Munich, Germany). Results: The median age was 59 (50–67) years and 25.3% patients were female. The median Euroscore II and left ventricular ejection fraction were 0.72 (0.56–0.99) and 60% (55–65), respectively. The median implanted ring size was 34 mm (32–36). The entire cohort was discharged with no residual mitral regurgitation greater than mild and a median mean transmitral pressure gradient of 2.4 mmHg (2–3). The median hospitalization time was 7 days (6–11) and in-hospital mortality occurred in 1 (0.7%) patient. Conclusions: MI-MVr was safely performed using the novel semi-rigid partial PhysioFlex ring in the DMR patient cohort with favorable early results. The PhysioFlex annuloplasty ring may be used as an alternative to complete rings in MI-MVr. Further research is needed to conduct comparisons with other currently available annuloplasty rings. Full article
(This article belongs to the Special Issue Clinical Advances in Cardiovascular Interventions)
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19 pages, 1566 KB  
Article
Increased Plasma Levels of ACE and Ang II in Prediabetes May Contribute to Adipose Tissue Dysfunction
by Bongeka Cassandra Mkhize, Palesa Mosili, Phikelelani Sethu Ngubane, Ntethelelo Hopewell Sibiya and Andile Khathi
Int. J. Mol. Sci. 2025, 26(12), 5517; https://doi.org/10.3390/ijms26125517 - 9 Jun 2025
Viewed by 1248
Abstract
Adipose tissue is essential for the regulation of insulin sensitivity and cytokine production, which are key processes in maintaining metabolic homeostasis. Previous studies have shown a link between the renin–angiotensin system (RAS) and adipose tissue dysfunction in type 2 diabetes (T2D); however, the [...] Read more.
Adipose tissue is essential for the regulation of insulin sensitivity and cytokine production, which are key processes in maintaining metabolic homeostasis. Previous studies have shown a link between the renin–angiotensin system (RAS) and adipose tissue dysfunction in type 2 diabetes (T2D); however, the role of RAS in prediabetes remains underexplored. This study aimed to analyze the association between RAS components and adipose tissue dysfunction in the prediabetic state. This observational, cross-sectional study was conducted between 21/05/21 and 20/05/24 and analyzed RAS markers in plasma samples. This study was conducted at King Edward Hospital, focusing on individuals from outpatient clinics. The study included non-prediabetic (NPD), prediabetic (PD), and T2D individuals (n = 40 per group) aged 25–45 years. The participants were selected based on fasting blood glucose levels and HbA1c criteria. Plasma RAS markers and adipose function markers were measured in each participant. Primary outcomes included HOMA-IR, HbA1c, and plasma levels of ACE1, Ang II, ACE2, Ang 1-7, adiponectin, adipsin, MCP-1, and HDL. PD participants had significantly altered glycaemic control (HOMA-IR: 2.1 ± 0.4 vs. 3.9 ± 0.8; HbA1c: 4.9 ± 0.4 vs. 5.9 ± 0.6) compared to NPD. Plasma ACE1 (162.0 ± 10.55 vs. 180.3 ± 7.546) and Ang II (20.26 ± 2.404 vs. 25 ± 1.752) were elevated, while adiponectin (29.08 ± 5.72 vs. 23.22 ± 4.93) and HDL (1.01 ± 0.11 vs. 0.67 ± 0.11) were reduced in PD. Alterations in RAS manifest early in prediabetes and are associated with adipose tissue dysfunction. These findings suggest that RAS dysregulation contributes to early metabolic disturbances in prediabetes. Full article
(This article belongs to the Special Issue The Angiotensin in Human Health and Diseases)
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12 pages, 1300 KB  
Article
Transapical vs. Transaxillary Access in Transcatheter Aortic Valve Implantation: Comparative Mortality and Long-Term Outcomes Using Inverse Probability of Treatment Weighting Analysis
by Helene Schrader, Julia M. Wiedenhofer, Sophie Berlinghof, Juliane Ducaruge, Anna Brand, Sebastian Spethmann, Ulf Landmesser, Florian Blaschke, Herko Grubitzsch, Volkmar Falk, Christoph Klein, Axel Unbehaun, Mohammad Sherif, Henryk Dreger, Tobias D. Trippel, Uwe Primessnig and Simon H. Sündermann
J. Clin. Med. 2025, 14(7), 2235; https://doi.org/10.3390/jcm14072235 - 25 Mar 2025
Viewed by 1487
Abstract
Abstract: Background: Transcatheter aortic valve implantation (TAVI) is the treatment of choice for symptomatic aortic stenosis in patients with moderate to high surgical risk. When transfemoral access is unsuitable, alternative routes such as transapical (TAP) or transaxillary (TAX) routes must be considered. This [...] Read more.
Abstract: Background: Transcatheter aortic valve implantation (TAVI) is the treatment of choice for symptomatic aortic stenosis in patients with moderate to high surgical risk. When transfemoral access is unsuitable, alternative routes such as transapical (TAP) or transaxillary (TAX) routes must be considered. This study compares the in-hospital mortality and clinical outcomes of TAP vs. TAX TAVI. Methods: We conducted a retrospective analysis of 76 patients who underwent TAP or TAX TAVI between 2018 and 2021 at our department. Inverse probability of treatment weighting (IPTW) was used to account for baseline differences. Results: Among 1901 TAVI procedures, a total of 76 was selected of which TAP was performed in 34.2% (n = 26), and TAX in 65.8% (n = 50) of cases. Self-expanding CoreValve Evolut R valve prostheses were used in 96% of TAX cases, while balloon-expandable Edwards SAPIEN 3 valve prostheses were exclusively implanted in TAP cases. After IPTW adjustment, baseline characteristics, including EuroSCORE II, LVEF, and NYHA class, were comparable. TAX was associated with a higher pacemaker implantation rate (22.6% vs. 0%; p = 0.032), while TAP had a higher incidence of late bacteremia (13.4% vs. 1.6%; p = 0.027) and longer hospitalization (19 [13, 28] vs. 10 [8, 21] days; p = 0.016). In-hospital (0% vs. 2.1%; p = 0.388), 30-day (3.4% vs. 3.5%; p = 0.957), and 3-year mortality (6.7% vs. 4.8%; p = 0.709) were similar. Device implantation success was 100% in both groups. Major bleeding and vascular complications were rare. Balloon predilatation was more frequent in TAX (57.6% vs. 13.3%; p = 0.002). Rates of mild and moderate aortic regurgitation did not differ. Conclusions: In patients unsuitable for transfemoral TAVI, TAP was associated with lower pacemaker rates but longer hospitalization and increased late bacteremia compared to TAX. Both approaches showed comparable safety and efficacy, emphasizing the need for individualized access selection. Full article
(This article belongs to the Section Cardiology)
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10 pages, 1729 KB  
Article
German Experience with a Novel Balloon-Expandable Heart Valve Prosthesis for Transcatheter Aortic Valve Implantation—Outcomes of the MYLAND (MYvaL germAN stuDy) Study
by Timm Ubben, Eike Tigges, Won-Keun Kim, Andreas Holzamer, Ingo Breitenbach, Ralf Sodian, Jürgen Rothe, Willibald Hochholzer, Samer Hakmi and Franz-Josef Neumann
J. Clin. Med. 2024, 13(11), 3163; https://doi.org/10.3390/jcm13113163 - 28 May 2024
Cited by 5 | Viewed by 2108
Abstract
Background: The primary objective of this study was to evaluate the initial experience in Germany with the Meril Myval™ (MM) transcatheter heart valve (THV) system for the treatment of severe symptomatic aortic valve stenosis. The MM THV is a novel balloon-expandable valve with [...] Read more.
Background: The primary objective of this study was to evaluate the initial experience in Germany with the Meril Myval™ (MM) transcatheter heart valve (THV) system for the treatment of severe symptomatic aortic valve stenosis. The MM THV is a novel balloon-expandable valve with an expanded sizing matrix. Contemporary patients undergoing TAVI with the established Edwards Sapien™ (ES) THV served as the comparator group. Methods: Between 1st March and 31 August 2020 a total of 134 patients (33% female, 80.1 ± 6.7 years; EuroScore II 4.7 ± 4.8) underwent TAVI with an MM (95% transfemoral) for severe aortic stenosis at six German tertiary care centers. Results: Correct positioning of the THV was achieved in 98.5% (n = 132). Mean aortic gradients (MPG) were reduced from 42 ± 14 mmHg to 11 ± 5 mmHg. Mild postprocedural paravalvular leak (PVL) was observed in 62% (n = 82) patients, whereas only one patient had more than mild PVL. New permanent pacemaker implantation (PPI) was indicated in 15 patients (11%). Major vascular complications occurred in 6.7% (n = 9) patients. The in-hospital combined incidence of all-cause death and stroke was 4.5% (n = 6). In the comparator group that included 268 patients, the 30-day incidences of PPI, major vascular complications, and the composite of all-cause death and stroke were 16%, 1.9%, and 7.1%, respectively; MPGs were reduced from 44 ± 15 mmHg to 12.8 ± 4.6 mmHg and the more than mild PVL occurred in 0.7%. Conclusions: The MM is a promising novel THV system, with performance comparable to the established ES THVs. These findings await confirmation by ongoing randomized trials. Full article
(This article belongs to the Special Issue Clinical Advances in Transcatheter Aortic Valve Replacement)
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22 pages, 5382 KB  
Article
Development and Application of the Snow, Soil Water and Water Balance Model (SNOSWAB), an Online Model for Daily Estimation of Snowpack Processes, Soil Water Content and Soil Water Balance
by Serban Danielescu
Water 2024, 16(11), 1503; https://doi.org/10.3390/w16111503 - 24 May 2024
Cited by 3 | Viewed by 2774
Abstract
SNOSWAB (Snow, Soil Water and Water Balance) is a unique online deterministic model built using tipping-bucket approaches that allows for the daily estimation of (i) snowpack processes; (ii) soil water content; and (iii) soil water budget. SNOSWAB is most suitable for modeling field-scale [...] Read more.
SNOSWAB (Snow, Soil Water and Water Balance) is a unique online deterministic model built using tipping-bucket approaches that allows for the daily estimation of (i) snowpack processes; (ii) soil water content; and (iii) soil water budget. SNOSWAB is most suitable for modeling field-scale processes for vertically and horizontally homogeneous soils, and its applicability is not limited to specific climate zones or geographical areas. The model is freely available, and its streamlined online interface integrates powerful calibration, visualization and data export routines. In this study, SNOSWAB development and a conceptual model, as well as an example of its application using data collected during a 12-year (2008–2019) field study conducted at the Agriculture and Agri-Food Canada Harrington Experimental Farm (HEF) on Prince Edward Island (PEI), Canada, are presented. Input data consisting of daily air temperature, total precipitation, rainfall and evapotranspiration were used in conjunction with soil properties and daily soil water content, snowpack thickness, surface runoff and groundwater recharge to calibrate (2010–2014) and validate (2015–2019) the model. For both the calibration and validation simulations, the statistical indicators used for evaluating model performance indicated, in most cases, high model fitness (i.e., R2 > 0.5, NRMSE < 50% and −25% < PBIAS < 25%) for the various time intervals and parameters analyzed. SNOSWAB fills an existing gap in the online environment and, due to its ease of use, robustness and flexibility, shows promise to be adopted as an alternative for more complex, standalone models that might require extensive resources and expertise. Full article
(This article belongs to the Special Issue Understanding Soil Water Content for Irrigation Management)
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12 pages, 620 KB  
Article
Predictors of New and Persistent New Left Bundle Branch Block One Year after the Implantation of a Sutureless and Rapid-Deployment Aortic Valve Prosthesis
by Rafał Januszek and Robert Balan
Diseases 2023, 11(3), 100; https://doi.org/10.3390/diseases11030100 - 3 Aug 2023
Cited by 1 | Viewed by 1919
Abstract
Introduction: Conduction disorders following aortic valve replacement therapy (AVR), either surgical or percutaneous, are related to a higher risk of complete atrioventricular block and permanent pacemaker implantation (PPI). Aim: The objective of this study was to assess risk factors regarding the incidence of [...] Read more.
Introduction: Conduction disorders following aortic valve replacement therapy (AVR), either surgical or percutaneous, are related to a higher risk of complete atrioventricular block and permanent pacemaker implantation (PPI). Aim: The objective of this study was to assess risk factors regarding the incidence of new postoperative and persistent new left bundle branch block (LBBB) 1 year after the implantation of a sutureless/rapid-deployment (SURD) aortic valve prosthesis. Material and Methods: The current study included 200 consecutive patients treated with isolated or concomitant AVR between May 2014 and May 2017 at the Department of Cardiac Surgery in Pasawa with SURD aortic valve EDWARDS INTUITY EliteTM implantation. The patients were divided according to the presence of new postoperative LBBB (67 patients, 33.5%) and persistent new LBBB 1 year after AVR (35 patients, 17.5%). A comparative analysis was performed between patients with and without new LBBB after AVR and those with and without persistent LBBB 1 year after AVR. Univariate and multivariate regression analyses were conducted to extract the risk factors of LBBB occurrence. Results: Among the risk factors for the lack of new LBBB development after AVR, Euroscore II (p < 0.001) was found, while for the occurrence of persistent new LBBB 1 year after AVR, atrial fibrillation (p = 0.001), length of hospital stay (p = 0.001) and body mass index (p = 0.004) were noted. Conclusions: Patients with new or persistent new LBBB 1 year after AVR had lower mean Euroscore II and BMI values. Their stay at the hospital was also shorter. Full article
(This article belongs to the Section Cardiology)
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6 pages, 210 KB  
Article
Conduction Disorders after Surgical Aortic Valve Replacement Using a Rapid Deployment Aortic Valve Prosthesis: Medium-Term Follow-Up
by Christian Mogilansky, Parwis Massoudy, Markus Czesla and Robert Balan
J. Clin. Med. 2023, 12(5), 2083; https://doi.org/10.3390/jcm12052083 - 6 Mar 2023
Cited by 2 | Viewed by 2414
Abstract
Background: We have previously reported that the incidence of postoperative conduction disorders, especially left bundle branch block (LBBB), after implantation of a rapid deployment Intuity™ Elite aortic valve prosthesis (Edwards Lifesciences, Irvine, CA, USA), was significantly increased compared with conventional aortic valve replacement. [...] Read more.
Background: We have previously reported that the incidence of postoperative conduction disorders, especially left bundle branch block (LBBB), after implantation of a rapid deployment Intuity™ Elite aortic valve prosthesis (Edwards Lifesciences, Irvine, CA, USA), was significantly increased compared with conventional aortic valve replacement. We were now interested in how these disorders behaved at intermediate follow-up. Methods: All 87 patients who had undergone surgical aortic valve replacement (SAVR) using the rapid deployment Intuity™ Elite prosthesis and were shown to have conduction disorders at the time of hospital discharge were followed up after surgery. These patients’ ECGs were recorded at least 1 year after surgery, and the persistence of the new postoperative conduction disorders was assessed. Results: At hospital discharge, 48.1% of the patients had developed new postoperative conduction disorders, with LBBB being the predominant conduction disturbance (36.5%). At medium-term follow-up (526 days, standard deviation (SD) = 169.6, standard error (SE) = 19.3 days, respectively), 44% of the new LBBB and 50% of the new right bundle branch block (RBBB) had disappeared. There was no new atrio-ventricular block III (AVB III) that occurred. One new pacemaker (PM) was implanted during follow-up because of AVB II Mobitz type II. Conclusions: At medium-term follow-up after the implantation of a rapid deployment Intuity™ Elite aortic valve prosthesis, the number of new postoperative conduction disorders, especially LBBB, has considerably decreased but remains high. The incidence of postoperative AV block III remained stable. Full article
20 pages, 2033 KB  
Article
Indices Development for Player’s Performance Evaluation through the Super-SBM Approach in Each Department for All Three Formats of Cricket
by Wei Yin, Zhixiao Ye and Wasi Ul Hassan Shah
Sustainability 2023, 15(4), 3201; https://doi.org/10.3390/su15043201 - 9 Feb 2023
Cited by 11 | Viewed by 8516
Abstract
Player performance evaluations in all three formats of cricket have been a topic of great concern for sports analysts and research experts. This study proposed a comprehensive performance estimation tool that incorporates all the essential inputs–outputs and evaluates a cricketer’s overall performance. This [...] Read more.
Player performance evaluations in all three formats of cricket have been a topic of great concern for sports analysts and research experts. This study proposed a comprehensive performance estimation tool that incorporates all the essential inputs–outputs and evaluates a cricketer’s overall performance. This research introduced three different estimation indices for player efficiency in all three formats of cricket for batting, bowling, and fielding. Further, this research employed the DEA Super-SBM model to evaluate the player’s efficiency in batting, bowling, and fielding departments of all three formats. The study estimates the most efficient batsman, bowler, and fielder in cricketing history by using the data of international cricketers (1877–2019). The results indicate that, compared to the traditional parameters, the proposed study indices are more accurate and comprehensive in nature. The most efficient batsman, bowler, and fielder in all three formats are given, respectively: (i) Sir Bradman, Sachin Tendulkar, and Virat Kohli; (ii) Muralitharan, Mitchell Starc, and Umar Gul; and (iii) Saleem Yousuf, Luke Ronchi, and Scott Edwards. For teams, England, Australia, and India were determined to be the most efficient in batting for all three formats; the West Indies, Australia, and Pakistan are the most efficient in bowling; and the Australian (Test & ODIs) and South African teams are efficient in the fielding department. Full article
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16 pages, 1514 KB  
Article
Uncertainty of Preferences in the Assessment of Supply Chain Management Systems Using the PROMETHEE Method
by Paweł Ziemba and Izabela Gago
Symmetry 2022, 14(5), 1043; https://doi.org/10.3390/sym14051043 - 19 May 2022
Cited by 11 | Viewed by 2978
Abstract
The use of Supply Chain Management (SCM) systems allows for the improvement of an organization’s operations. Companies use many Enterprise Resource Planning (ERP) systems that also include SCM functionalities. As a result, the selection of the right system to be used in the [...] Read more.
The use of Supply Chain Management (SCM) systems allows for the improvement of an organization’s operations. Companies use many Enterprise Resource Planning (ERP) systems that also include SCM functionalities. As a result, the selection of the right system to be used in the enterprise is a complex problem. The use of multi-criteria decision aid (MCDA) methods provides the possibility of system ordering in a ranking, based on an asymmetric preference relation, symmetric indifference and incomparability relations. The aim of the article is to evaluate ERP systems in terms of their support for SCM. The scientific contribution of the article is the study of the impact of various degrees of uncertainty of the decision-maker’s preferences on the evaluation results and the analysis of the impact of various approaches to the preferences of alternatives on the final ranking. An approach based on MCDA Preference Ranking Organization Method for Enrichment Evaluation (PROMETHEE) was used for the study. The decision model uses 12 criteria, three different preference functions and two variants of the PROMETHEE method (I and II). In this way, a total of six rankings were built, and each of them includes seven systems, supporting the management of the supply chain. As a result of the study, it was found that the highest functionality in logistics is characterized by the Oracle E-Business Suite system, which is more functional than SAP ERP and JD Edwards EnterpriseOne. The remaining analysed systems offer much less functionality. The applied approach, which was possible with the use of various preference functions, allowed three different levels of uncertainty in the preferences of decision-makers to be taken into account in the study. Moreover, the application of two different variants of the PROMETHEE method made it possible for the obtained solution to take into account the uncertainty of positions taken by individual ERP systems in the final rankings. Full article
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