Hypotension is the most common adverse effect of spinal anesthesia (SA). The insidence SA-induced hypotension in total population 15-33%, patients older age groups it reaches 80%. At young and middle ages, main determinant considered to be a reduction postload venous reflux, due blood deposition capacitance vessels lower extremities. aortocaval compressionsyndromeplays significant role obstetri...

A 69-year-old man was referred to our hospital for a left abdominal tumor measuring about 30 cm in diameter. Laboratory examination revealed an elevation of norepinephrine in plasma and of its metabolites in urine. CT scan disclosed a huge cystic tumor in the retroperitoneal space and an enlarged aortocaval lymph node, suggesting a diagnosis of malignant pheochromocytoma. The hemodynamic studie...

An animal model for a high-flow, aorta-to-vena cava fistula has been developed using microsurgical techniques in the rat. This model provides a means for histopathologic and angiographic evaluation of the natural evolution of major vessel, artery to vein fistulae. Data obtained from such a model may have relevance to the successful treatment of high-flow, head and neck fistulae using detachable...

Congestive heart failure (CHF) due to hyperkinetic states can occur in systemic diseases and in arteriovenous fistulas. An 18 year old Turkish male patient complaining of dyspnea and palpitations, who had suffered a stab wound to his abdomen eight months earlier, was admitted to our clinic. Auscultation revealed a systolodiastolic murmur over the entire abdomen. Chest x-rays demonstrated signif...

We report a case of retroperitoneal schwannoma mimicking lymph node metastasis. A 32-year-old man presented with an intrascrotal mass, and underwent radical orchiectomy. Histological examination revealed a typical seminoma of the testis. Systemic work-up for staging demonstrated a retroperitoneal mass, which was located in the supra-hilar inter-aortocaval region. Under the diagnosis of retroper...