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Regional alveolar hypoxia causes local vasoconstriction in the lung, shifting blood flow from hypoxic to normoxic areas, thereby maintaining gas exchange. This mechanism is known as hypoxic pulmonary vasoconstriction (HPV). Disturbances in HPV can cause life-threatening hypoxemia whereas chronic hypoxia triggers lung vascular remodeling and pulmonary(More)
Plasma, erythrocyte and leukocyte lipid peroxidation, erythrocyte superoxide dismutase (SOD), glutathione peroxidase (GSH-Px) and plasma gamma-glutamyl transferase (GGT) levels were investigated in 36 healthy non-drinkers aged between 18-55 years (mean 38.7) and 72 alcohol drinkers aged between 20-48 years (mean 35.3) in order to determine the oxidative(More)
Hypoxic pulmonary vasoconstriction (HPV) matches lung perfusion with ventilation to optimize pulmonary gas exchange. However, it remains unclear whether acute HPV (occurring within seconds) and the vasoconstrictor response to sustained alveolar hypoxia (developing over several hours) are triggered by identical mechanisms. We investigated the effect of(More)
BACKGROUND To study the relationship between cortisol, insulin, and thyroid hormone levels with 24-h urinary sodium (Na) excretion levels in essential hypertensive patients. METHODS All patients underwent history taking, physical examination, blood pressure (BP) measurement, 12 lead electocardiographic evaluation, routine urine analysis, biochemical(More)
OBJECTIVES To study the relationship between serum total testosterone (TT) and 24-hour urinary sodium excretion in newly diagnosed stage 1 essential hypertensive patients with normal renal function. STUDY DESIGN In total, 80 never-treated stage 1 hypertensive patients were included. All patients provided medical history and underwent physical examination,(More)
  • Hipertrikozisli Lumbosakral, Meningial Hamartoma, +4 authors Mahmut Ay
  • 2007
Objective: Ectopic meningiomas are rare tumors. In this paper, we describe a patient with lumbosacral meningeal hamartoma and hypertrichosis. Methods: An 18-year-old female with a red-violet skin lesion on her lower back was determined spina bifida at L5-51 by x-ray. Magnetic resonance imaging sequences showed a fibrous band arising from a posterior fusion(More)
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