In recent years, Transcranial Color Doppler (TCCD) has gained increasing recognition as a non-invasive neuromonitoring tool. However, there remains a strong tendency to view arterial TCCD as the ‘stethoscope for the brain,’ while the asse...
Background: Living donor liver transplantation (LDLT) is the predominant transplantation technique in regions with low rates of deceased donation. Right-lobe grafting is adopted in most clinical and radiological donor/recipient scenarios. Due to the...
Many patients show poor outcomes following endovascular reperfusion therapy (ERT), and poor cortical venous outflow is a risk factor for these poor outcomes. We investigated the association between the outflow of the internal jugular vein (IJV) and b...
The etiology of chronic venous insufficiency is typically neglected or misunderstood when treating lower-extremity edema and venous ulcerations. Despite the high prevalence of venous compression syndromes, it is rarely considered when treating venous...
The cause of the cystic dilatation of the cord found in syringomyelia has been a source of conjecture for a considerable time. Recent studies have shown that there is a reduction in craniospinal compliance in both childhood hydrocephalus and multiple...
Vascular steal refers to the diversion of blood flow between collateral vessels that share a common inflow restricted by arterial stenosis. Blood is diverted from the high-pressure to the low-pressure, low-resistance system. Vascular steal is associa...
In this review, we provide an update on the pathogenesis, diagnosis, and management of adults with idiopathic intracranial hypertension (IIH) and implications of the cerebral venous system, highlighting the progress made during the past decade with r...
The hemodynamic relevance of differently located stenoses of the internal jugular veins remains undetermined. It particularly concerns nozzle-like strictures in the upper parts of these veins and stenotic jugular valves located at the end of these ve...
Background and Purpose: The cerebral circulation is highly regulated to maintain brain perfusion, keeping an equilibrium between the brain tissue, cerebrospinal fluid (CSF) and blood of the arterial and venous systems. Cerebral venous drainage abnorm...
Recipients of uterus transplantation have unique factors that may increase their risk of cervical insufficiency. This report describes a uterus transplant recipient with cervical insufficiency resulting in two second-trimester miscarriages. After McD...
High altitude illness in its most severe form can lead to high altitude cerebral edema (HACE). Current strategies have focused on prevention with graduated ascents, pharmacologic prophylaxis, and descent at first signs of symptoms. Little is understo...
Background and purpose: Anxiety and depression are common in patients with Cerebral venous outflow disturbance (CVOD). Here, we aimed to explore possible mechanisms underlying this phenomenon. Methods: We enrolled patients diagnosed with imaging-conf...
Background and Clinical Significance: Adults suffering from cerebellar metastases are often at high risk for rapid deterioration of their neurological status because the posterior fossa has limited compliance and the location of these metastases are...
13 May 2023
Time-driven activity-based costing (TDABC) is suggested to assess costs within the value-based healthcare approach, but there is a paucity of applications in chronic diseases such as deep vein thrombosis (DVT) and leg ulcers. In this context, we appl...
Embryologically, the left brachiocephalic vein (LBV) originates as an anastomotic channel between the right and left anterior cardinal veins. This positions the LBV between the manubrium sterni anteriorly and the innominate artery posteriorly. This p...
Budd-Chiari syndrome (BCS) is a rare hepatic vascular disorder defined by the presence of partial or complete impairment of hepatic venous drainage in the absence of right heart failure or constrictive pericarditis. Several conditions can lead to BCS...
The histopathological changes in Budd–Chiari syndrome (BCS) overlap with those of sinusoidal obstruction syndrome (SOS) and of cardiac or pericardiac disorders resulting in right cardiac failure. These conditions, however, are different on both...
Background: Current treatments for hypertrophic obstructive cardiomyopathy (HOCM), including medication, surgery, and alcohol septal ablation (ASA), have limitations in terms of efficacy and safety. To address these challenges, we developed the trans...
Background/Objectives: Compression syndromes of the stylohyoid complex (SHC) encompass neural, arterial, and venous presentations extending beyond classic Eagle syndrome. Symptomatic disease is increasingly recognised as a dynamic neurovascular confl...
Background: Some studies have suggested that the lateral decubitus position during sleep may protect the brain from neurodegenerative processes. Although the mechanisms of such possible protection are not known, an optimal venous outflow may be respo...
Background/Objectives: In neurocritical care, usually, the only continuous measurement of brain pathophysiology is intracranial pressure (ICP). The objective of this study was to find the relationship between cerebral blood flow (CBF) and parameters...
Vascular liver diseases (VLDs) include different pathological conditions that affect the liver vasculature at the level of the portal venous system, hepatic artery, or venous outflow system. Although serological investigations and sometimes histology...
Background: Orthostatic hypotension (OH) is identified by a significant decrease in blood pressure upon standing from a seated or supine position. A reduction in systolic blood pressure of 20 mmHg within three minutes of standing meets the criteria f...
Ablation of tachycardia and premature ventricular contractions originating from the right ventricular outflow tract can safely be performed in patients with normal anatomy via the femoral approach. We present a case of catheter ablation in the right...
Background/Objectives: Deep cerebral vein thrombosis (DCVT) is a rare cerebrovascular condition that can result in absence of major venous sinuses. This study uses patient-specific computational fluid dynamics (CFD) to quantify hemodynamic changes in...
Budd–Chiari Syndrome (BCS) is due to thrombosis of hepatic veins (HVs), inferior vena cava (IVC) or both, leading to impaired hepatic venous outflow [...]
Background: Central venous occlusive disease is a major challenge in hemodialysis patients who have exhausted conventional vascular access options and may lead to long-term dependence on tunneled central venous catheters. The Hemodialysis Reliable Ou...
Introduction: Leukoaraiosis (LA) or white matter disease is a significant component of vascular dementia. There is a large overlap noted between normal-pressure hydrocephalus (NPH) and LA. A previously reported lumped parameter modelling study of NPH...
Background: Oxidative stress-induced lipid peroxidation (LPO) due to neutrophil-derived reactive oxygen species plays a key role in the early stage of the acute respiratory distress syndrome (ARDS). Monitoring of oxidative stress in this patient popu...
Idiopathic intracranial hypertension (IIH) is a debilitating condition that has traditionally been difficult to treat. In recent years, there has been increasing focus on the role of intracranial venous hypertension in the pathophysiology of IIH. Bas...
Point-of-care ultrasonography (POCUS) in nephrology is evolving beyond kidney imaging and procedural guidance toward integrated hemodynamic assessment. Distinguishing reduced forward flow from elevated filling pressures and venous congestion remains...
Cerebral venous outflow is investigated in the diagnosis of heart failure through the monitoring of jugular venous pulse, an indicator to assess cardiovascular diseases. The jugular venous pulse is a weak signal stemming from the lying internal jugul...
Segmental or lobar liver atrophy is a common but not well-understood clinical condition. Hepatic atrophy can be classified into hepatic atrophy secondary to other pathologies and primary segmental hepatic atrophy, which is a benign intrahepatic lesio...
Background/Objectives: May–Thurner syndrome (MTS) is a common cause of iliofemoral deep vein thrombosis (DVT). Venous bleeding associated with MTS is extremely rare and has been reported mainly as spontaneous iliac vein rupture (SIVR) with retr...
Hemoptysis is usually attributed to bleeding from bronchial or non-bronchial systemic arterial circulation. Venous airway bleeding is rarely considered, although it requires a different diagnostic and therapeutic approach. A 64-year-old man with a la...
The establishment of a peripheral ECMO circuit can lead to significant arterial and venous complications in 10–30% of patients. Vascular complications, particularly acute limb ischemia, are associated with worsening overall outcomes. Limb ische...
This prospective pilot study aimed to evaluate whether cerebral inflow and outflow abnormalities assessed by ultrasonographic examination could be associated with recurrent benign paroxysmal positional vertigo (BPPV). Twenty-four patients with recurr...
Arteriovenous malformations (AVMs) are a subset of congenital vascular malformations (CVMs). They comprise abnormal connections between arterial and venous circulation; treatment approaches are dependent on the angioarchitecture of the AVM, specifica...
Dural arteriovenous fistulas (dAVFs) are a heterogeneous group of intracranial vascular anomalies characterized by abnormal arteriovenous shunting within the dura mater. While they are often considered acquired lesions—associated with trauma, s...
Background/Objectives: Idiopathic intracranial hypertension (IIH) often features dural venous sinus stenosis; venous sinus stenting (VSS) improves venous outflow and intracranial pressure, but most stents are off-label, and few are engineered for int...
Upper extremity deep vein thrombosis (UEDVT) accounts for 5% of all deep vein thromboses (DVTs). UEDVT may be complicated by post thrombotic syndrome and pulmonary embolism, and early recognition and prompt start of anticoagulant treatment are key. P...
Background and Clinical Significance: Acquired arteriovenous fistula (AVF) following deep vein thrombosis (DVT) is an uncommon condition, typically reported in association with persistent venous obstruction. Case Presentation: We report the case of a...
Point-of-care ultrasonography (POCUS) with concomitant venous and arterial Doppler assessment enables clinicians to assess organ-specific blood supply. To date, no studies have investigated the usefulness of including a comprehensive perioperative PO...
Introduction. The changes occurring in the liver in cases of outflow deprivation have rarely been investigated, and no measurements of this phenomenon are available. This investigation explored outflow occlusion in a pig model using a hyperspectral c...
Deep vein thrombosis (DVT) of the lower extremities, as part of venous thromboembolism disorder, is the third leading cause of acute cardiovascular syndrome after heart attack and stroke. It can result in disability due to pulmonary embolism (PE) and...
Background: Anterior cranial fossa dural arteriovenous fistulas (ACF DAVFs) usually receive ethmoidal dural supply. Pial arterial supply has been described in intracranial DAVFs, including ACF DAVFs, but a dominant orbitofrontal pial feeder can creat...
The objective was to assess the changes in regional volumes and functions under venous-impaired vascular conditions following liver preparation. Twelve patients underwent right portal vein embolization (PVE) (n = 5) or extended liver venous deprivati...
Background: The nipple–areolar complex (NAC) necrosis is a rare yet significant complication following breast reduction surgery, primarily linked to compromised vascularization of the NAC, particularly in nipple-sparing techniques. While multip...
Background/Objectives: A single absolute vessel diameter is hard to compare between individuals of differing body size. We defined two venous proportional parameters, the renal–caval ratio (R-IVCr) and factor (R-IVCf), as counterparts of the es...
Background: Reconstruction of distal forearm and hand soft tissue defects remains a complex surgical challenge due to the functional and aesthetic significance of the region. Several flap options have been established such as the posterior interosseo...
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