نتایج جستجو برای: pra
تعداد نتایج: 3964 فیلتر نتایج به سال:
A 37-year old woman was suspected of having renovascular hypertension because of recent onset severe hypertension (blood pressure 220/135 mmHg; compared to 132/65 mmHg two years earlier) and an abdominal bruit. A captopril renal scan indicated the presence of right renal artery stenosis. Additionally, a captopril plasma renin activity (PRA) provocation test showed a positive result for renovasc...
To assess the interaction between adrenergic activity and blood pressure regulation in patients with chronic renal failure, plasma norepinephrine (NE) and plasma renin activity (PRA) were measured before and after vigorous ultrafiltration. The significance of PRA was further assessed by angiotensin blockade with saralasin. Two patterns of response were defined: nine patients had low levels of P...
Introduction & Objective: Cardiovascular diseases are main causes of mortality and morbidity in the current world. Hypertension is one of the most important risk factors for the cardiovascular diseases. Herbal medicine is much regarded because of their natural source and less side effects. This study was done to evaluate the effects of hydro- alcoholic extract of Luctuca-Sativa (LS) on blood pr...
زمینه و هدف: امروزه اهمیت بیماریزایی مایکوباکتریوم های غیرکلوزیس (Non-Tuberculosis Mycobacterium) برای انسان مشخص گردیده است. بطور کلی این گروه علاوه بربیماریزایی در دستگاه تنفس، از قدرت بیماریزایی درغدد لنفاوی، پوست، بافت نرم، استخوان ها برخوردار است. تعیین هویت مایکوباکتریاها بر اساس کشت و تستهای بیوشیمیایی هفته ها طول میکشد و درتشخیص قطعی به ما کمک نمی کند. تکنیک PCR-RFLP (PRA ) از ژن hsp65 ...
To study the effect of positive airway pressure (Paw) on the pressure gradient for venous return [the difference between mean systemic filling pressure (Pms) and right atrial pressure (Pra)], we investigated 10 patients during general anesthesia for implantation of defibrillator devices. Paw was varied under apnea from 0 to 15 cmH(2)O, which increased Pra from 7.3 +/- 3.1 to 10.0 +/- 2.3 mmHg a...
Over the last decade, a wealth of research has examined the potential benefits of product recommendation agents (PRAs) for improving outcomes for e-commerce consumers and vendors. To date, however, this research has largely overlooked the fundamentally social nature of shopping. In particular, people often shop collaboratively (together) and for hedonic reasons (for enjoyment), but researchers ...
Plasma renin activity (PRA) may be high among teenage and young adult insulin-dependent diabetic subjects. Supine PRA and stimulated PRA were therefore measured in 50 female and 50 male diabetic subjects, 13-20 years old, diagnosed before the age of 16. Fifty percent have been restudied after 4.6 +/- 0.2 (mean +/- SEM) years. Initially, 43% had high PRA (supine 4.0 +/- 0.37, stimulated 12.02 +/...
BACKGROUND We sought to evaluate plasma renin activity (PRA) levels and risk of mortality and cardiovascular events among individuals with elevated blood pressure [systolic blood pressure (SBP) ≥ 140 mmHg] and those with controlled blood pressure (SBP < 140 mmHg) in a large diverse population. METHODS A retrospective cohort study between January 1, 2007, and December 31, 2013, among adults (≥...
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