Background: Right ventricular failure (RVF) continues to affect patients supported with durable left ventricular assist devices (LVAD) and results in increased morbidity and mortality. Information regarding the impact of right ventricular response to...
Background: Major liver resections that include the removal of four or more Couinaud segments require precise assessment of the future liver remnant (FLR) to prevent post-hepatectomy liver failure (PHLF). Volumetry, although standard in surgical plan...
Background/Objectives: Fetoscopic repair of open spinal dysraphism (OSD) is a rare intrauterine procedure performed in specialized fetal surgery centers. Conducted under restrictive fluid management and continuous tocolysis, it poses substantial chal...
5 November 2026
Background: Advances in spinal deformity surgery have expanded treatment options for pediatric and adolescent patients, but neurological complications remain among the most serious adverse events. Intraoperative neuromonitoring (IONM) enables early d...
Background/Objectives: The aim of this study was to evaluate fluid administration and intraoperative bleeding of patients who had major hepatic resection. We used artery pulse contour analysis monitor (ProAQT™) and personalized hemodynamic targ...
Functional Near-Infrared Spectroscopy (fNIRS) is a hemodynamic modality in human cognitive workload assessment receiving popularity due to its easier implementation, non-invasiveness, low cost and other benefits from the signal-processing point of vi...
Background: Sepsis-associated encephalopathy (SAE) is associated with high morbidity and mortality. Hemodynamic dysfunction plays a significant role in the incidence and mortality of SAE. Therefore, this study aimed to explore the relationship betwee...
Vascular grafts have a significant role in the artery replacement, aneurysm repair, and hemodialysis treatments. Synthetic grafts that have been mostly used in the clinic include ePTFE and Dacron; however, their use has been associated with a range o...
The approach to shock resuscitation focuses on all components of oxygen delivery, including preload, afterload, contractility, hemoglobin, and oxygen saturation. Resuscitation focused solely on preload and fluid responsiveness minimizes other key ele...
14 May 2021
Proper hemodynamic management is necessary among post-cardiac arrest patients to improve survival. We aimed to investigate the effects of PiCCO™-guided (pulse index contour cardiac output) hemodynamic management on mortality in post-resuscitation the...
Intraoperative optical imaging is a localization technique for the functional areas of the human brain cortex during neurosurgical procedures. These areas are assessed by monitoring the oxygenated (HbO
Background: Pulmonary hypertension (PH) remains a progressive and life-threatening condition despite advances in targeted pharmacotherapy. Pulmonary artery denervation (PADN) has emerged as a novel interventional strategy aimed at modulating sympathe...
Background: Endovascular exclusion of popliteal artery aneurysms (PAAs) with long covered stent-grafts is valuable for patients unfit for open surgery but is undermined by late stent thrombosis, even in fully scaffolded segments without kinking, a fa...
Inotropes are prescribed to enhance myocardial contractility while vasopressors serve to improve vascular tone. Although these medications remain a life-saving therapy in cardiovascular clinical scenarios with hemodynamic impairment, the paucity of e...
Bypass graft failures are linked to hemodynamic disturbances resulting from poor design. Several studies have tried to improve graft patency by modifying conventional graft designs. One strategy being employed is to induce spiral flow in bypass graft...
Tissue-engineered vascular grafts (TEVGs) are a promising alternative to treat vascular disease under complex hemodynamic conditions. However, despite efforts from the tissue engineering and regenerative medicine fields, the interactions between the...
Hemodynamic monitoring is essential in the postoperative management of neonates undergoing cardiac surgery, enabling early identification of circulatory failure and its underlying cause, optimization of oxygen delivery to tissues, and evaluation of t...
The hemodynamic interference of serial stenoses poses challenges for identifying the functional severity using the fractional flow reserve (FFR) method. The instantaneous wave-free ratio (iFR), i.e., the distal-to-proximal pressure ratio at 75% of di...
Ventricular septal defect after myocardial infarction is a rare but often life-threatening mechanical complication. The keys of management are a prompt diagnosis of ventricular septal defect and an aggressive approach to stabilize patient’s hemodynam...
Sepsis is a life-threatening condition that requires early recognition and intervention to improve patient outcomes. Optimizing hemodynamic management is crucial, and clinicians must utilize all available tools to guide therapy effectively. Echocardi...
Background and Objectives: The primary goal of the study is to analyze factors associated with spinal anesthesia-induced hypotension (SAIH), with a focus on ephedrine requirements in relation to patient characteristics and the type of intrathecal opi...
Mitral valve regurgitation is among the most prevalent valvular heart diseases and increases with age. Percutaneous therapy has emerged for the management of mitral regurgitation in high surgical risk patients. However, the long-term consequences of...
Aerobic exercise (AE) modulates vascular function through hemodynamic responses, thereby influencing cardiovascular health and risk, with the circadian rhythm system playing a crucial role. This chronobiological study investigated diurnal variations...
Background/Objectives: Precisely selected patients require vitreoretinal surgeries (VRS) performed under general anesthesia (GA) when intravenous rescue opioid analgesics (IROA) are administered intraoperatively, despite a risk of adverse events, to...
Tetralogy of Fallot (ToF) with pulmonary atresia (PA) and complete right ventricular outflow tract obstruction (RVOTO) represents one of the most critical forms of congenital heart disease in neonates. These cases require complex and timely intervent...
A 20-year-old man was admitted to the intensive care unit for septic shock due to Lemierre’s syndrome. It is a rare syndrome that manifests as an upper respiratory infection, although systemic involvement, severe coagulopathy, and multi-organ f...
Acute spinal cord injury (SCI) often results in severe neurologic deficits, with hemodynamic instability contributing to secondary ischemic damage. Beyond surgical decompression, maintaining adequate mean arterial pressure (MAP) is key to enhancing s...
Laparoscopic cholecystectomy is one of the most frequently performed interventions in general surgery departments. Some of the most important aims in achieving perioperative stability in these patients is diminishing the impact of general anesthesia...
Introduction: Cardiogenic shock due to myocardial infarction or heart failure entails a reduction in end organ perfusion. Patients who cannot be stabilized with inotropes and who experience increasing circulatory failure are in need of an extracorpor...
Background: Mechanical circulatory support (MCS) has revolutionized advanced heart failure and cardiogenic shock management, yet randomized controlled trials have failed to demonstrate consistent mortality benefits with temporary devices, and outcome...
Heart valve prostheses play a key role in regulating the normal cardiac function for patients with valvular diseases, yet even slight alterations in their flow dynamics can result in serious physiological consequences. This paper provides an overview...
Bypass graft is widely used, especially in cardiovascular diseases, to detour clogged blood vessels, alleviating and correcting the manifestation of the symptoms of damaged blood vessels. Bypass grafting is also used in hemodialysis treatment, specif...
A major limitation of near-infrared spectroscopy (NIRS) is its high sensitivity to the scalp and low sensitivity to the brain of adult humans. In the present work we used multi-distance hyperspectral NIRS (hNIRS) to investigate the optimal source-det...
For cognitive processes to function well, it is essential that the brain is optimally supplied with oxygen and blood. In recent years, evidence has emerged suggesting that cerebral oxygenation and hemodynamics can be modified with physical activity....
Heart failure is a global health concern with significant implications for healthcare systems. Left ventricular assist devices (LVADs) provide mechanical support for patients with severe heart failure. However, the placement of the LVAD outflow graft...
The superior performance of single-point attached commissures (SPAC) molded valve design has been validated by several numerical, in vitro and in vivo animal studies. However, the impacts of the SPAC molded valve design on aortic hemodynamic environm...
Graft repair of aortic coarctation is commonly used to mimic the physiological aortic arch shape and function. Various graft materials and shapes have been adopted for the surgery. The goal of this work is to quantitatively assess the impact of graft...
Objective: Massive pulmonary embolism (PE) remains a life-threatening condition, often leading to acute respiratory and cardiac failure. This study evaluates the role of extracorporeal membrane oxygenation (ECMO) as a supportive treatment for high-ri...
Revascularization surgery for the symptomatic hemisphere with hemodynamic impairment is effective for Moyamoya vasculopathy patients. However, careful patient selection is crucial and ideally supported by advanced quantitative hemodynamic imaging. Re...
Background: The COVID-19 pandemic has exerted immense pressure on healthcare systems, particularly in the management of patients with acute respiratory distress syndrome (ARDS). Identifying predictors of survival in critically ill patients is crucial...
Preeclampsia with severe features presents major anesthetic challenges, particularly in category 1 cesarean sections, in which rapid, safe, and hemodynamically stable induction is critical. Neuraxial techniques may be controversial due to neurologica...
The optimal management strategy of patients with concomitant anterior communicating artery aneurysm (ACoAA) and internal carotid artery (ICA) stenosis is unclear. This study aims to evaluate the impacts of unilateral ICA revascularization on hemodyna...
Patients with acute right heart failure or pulmonary hypertension require cautious resuscitation because the right ventricle is highly preload-sensitive and has a narrow therapeutic window; both hypovolemia and volume overload may worsen hemodynamics...
Venoarterial extracorporeal membrane oxygenation (VA-ECMO) provides temporary cardiac and respiratory support and has emerged as an established salvage intervention for patients with hemodynamic compromise or shock. It is thereby used as a bridge to...
Functional near-infrared spectroscopy (fNIRS) is an emerging technique in studying cerebral hemodynamics; however, consensus on the analysis methods and the clinical applications has yet to be established. In this study, we demonstrate the results of...
Research on abdominal aortic aneurysms (AAAs) primarily focuses on developing a clear understanding of the initiation, progression, and treatment of AAA through improved model accuracy. High-fidelity hemodynamic and biomechanical predictions are esse...
Background: Modern management of preeclampsia can be optimized by tailoring the targeted treatment of hypertension to an individual’s hemodynamic profile. Growing evidence suggests different phenotypes of preeclampsia, including those with a hy...
Thoracic endovascular aortic repair (TEVAR) is one of the main treatments, together with open aortic repair, for thoracic aortic aneurysm. This procedure is associated with low procedural morbidity and mortality and provides satisfactory mid-term res...
Background: Pheochromocytoma is a rare adrenal neuroendocrine tumor characterized by excessive catecholamine secretion, which can lead to significant perioperative hemodynamic instability. Despite advances in anesthetic and surgical management, intra...
Background: Quantitative flow ratio (QFR) is a novel method for assessing hemodynamic relevance of a coronary lesion based on angiographic projections without the need of a pressure wire. Various studies demonstrated that QFR consistently related to...
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