نتایج جستجو برای: venography
تعداد نتایج: 1679 فیلتر نتایج به سال:
BACKGROUND Axillary vein puncture has been demonstrated to be an effective method for pacemaker and defibrillator leads implantation, without the complications encountered with the standard intrathoracic approach. OBJECTIVE Different techniques have been adopted for the cannulation of the axillary vein. We report our experience using the outer edge of the first rib below the inferior border o...
BACKGROUND AND PURPOSE Transverse sinus thrombosis can have nonspecific clinical and radiographic signs. We hypothesized that the novel "sigmoid notch sign" (on head CT) can help differentiate transverse sinus thrombosis from a congenitally atretic sinus among individuals with absent signal in 1 transverse sinus by MR venography. METHODS We retrospectively evaluated 53 subjects with a unilate...
PURPOSE Knowledge of variations in the cerebral dural venous sinus anatomy seen on magnetic resonance (MR) venography is essential to avoid over-diagnosis of cerebral venous sinus thrombosis (CVST). Very limited data is available on gender difference of the cerebral dural venous sinus anatomy variations. MATERIALS AND METHODS A retrospective study was conducted to study the normal anatomy of ...
Aim To characterise the ophthalmic indications for, and efficacy of, transverse sinus stenting in adults with medically refractory idiopathic intracranial hypertension. Methods A retrospective cohort study was undertaken on a single-author database of 226 successive patients confirmed hypertension (IIH). total 32 were identified who received stent for disease. This which defined as visual threa...
A case of iliofemoral deep vein thrombosis secondary to venous compression by a massively distended bladder is reported. Ascending venography was valuable in identifying the primary cause of venous obstruction, as well as guiding thrombolysis.
Klippel-Trenaunay syndrome (KTS) is a vascular lymphatic malformation underlying with bony and soft tissue hypertrophy. It is a rare condition presenting in 1 out of 10 000 people. The growth disturbance due to KTS is more commonly unilateral (85%) than bilateral (12.5%), and most rarely crossed-bilateral (2.5%). A man in his 40s presented to our hospital with a complaint of lower limb discomfo...
S t u d y s e l e c t i o n Studies in any language were selected if they were randomized controlled trials (RCTs) comparing extended out-of-hospital prophylaxis consisting of LMWH with placebo, patients had had elective hip arthroplasty, the presence or absence of all episodes of deep venous thrombosis (DVT) and proximal venous thrombosis were objectively documented by using bilateral ascendin...
Accurate diagnosis of deep venous thrombosis (DVT) and pulmonary embolism (PE) is required because treatment can be life-saving, while inappropriate anticoagulation exposes the mother and fetus to haemorrhage and other hazards. Clinicians must be aware of which patients are at risk because DVT is frequently asymptomatic. Clinical diagnosis is unreliable for DVT and PE so objective tests are req...
BACKGROUND There is no easy road map for venous malformations (VMs) of the head and neck according to which treatment modality can be chosen. The purpose of this study was to identify different types of VMs of the head and neck based on clinical, histopathology, MRI, and venography findings that help in specification of different treatment modalities. METHODS Sixty-nine patients with VMs of t...
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