نتایج جستجو برای: مدل pwp
تعداد نتایج: 120222 فیلتر نتایج به سال:
Lowering Pulmonary Wedge Pressure after Heart Transplant: Pulmonary Compliance and Resistance Effect
BACKGROUND Right ventricular (RV) afterload is an important risk factor for post-heart transplantation (HTx) mortality, and it results from the interaction between pulmonary vascular resistance (PVR) and pulmonary compliance (CPA). Their product, the RC time, is believed to be constant. An exception is observed in pulmonary hypertension because of elevated left ventricular (LV) filling pressure...
The influence offrusemide on haemodynamic, electrocardiographic, and symptomatic response to exercise was studied in 19 patients with documented coronary artery disease. During the control exercise period all patients experienced angina and showed ST segment depression, accompanied by raised pulmonary artery wedge pressures (PWP). In 12 of these patients 40 mg frusemide was administered intrave...
Left ventricular function was assessed in 10 patients with alcoholic cirrhosis and ascites without clinical evidence of heart disease. In the resting state pulmonary wedge pressure (PWP) was normal (average 9.7 mm Hg), cardiac output (CO) was elevated (average 9.7 L/min) and systemic vascular resistance (SVR) was low (average 825 dynes-sec-cm-5). During infusion of angiotensin in a dose suffici...
BACKGROUND Evidence for longer term exercise delivery for people with Parkinson's disease (PwP) is deficient. AIM Evaluate safety and adherence to a minimally supported community exercise intervention and estimate effect sizes (ES). METHODS 2-arm parallel phase II randomised controlled trial with blind assessment. PwP able to walk ≥100 m and with no contraindication to exercise were recruit...
The PWP method was introduced by Dı́az in 2009 as a technique for measuring indirect influences in complex networks. It depends on a matrix D, provided by the user, called the matrix of direct influences, and on a positive real parameter λ which is part of the method itself. We study changes in the method’s predictions as D and λ vary.
این پژوهش با الهام گرفتن از نتایج یک طرح مطالعاتی کاربردی، رویکرد سلسلهمراتبی جهت پیگیری فرایند توسعه تأمینکنندگان و حمایت تصمیمات موجود در هر مراحل آن ارائه میکند. ابتدا، زمینههای تأمین نیازمند سپس واجد شرایط هریک زمینهها به کمک تصمیمگیری چندشاخصه بهترین-بدترین مشخص میگردند. معیارهای شناسایی نیز مرور مطالعات پیشین بهرهگیری نظرات خبرگان حوزهی خرید استخراجشدهاند. درنهایت، مدل ریاضی ...
Studies of cardiac performance in hypertension have often been restricted to cardiac output determinations, although the latter alone are inadequate for that purpose. To define the range of cardiac performance in hypertension, the response of left ventricular filling pressure to increased workload (static exercise) was determined in 39 subjects--eight normotensive (NT) volunteers, seven patient...
BACKGROUND Falls amongst people with Parkinson's (PwP) result in significant disability and reduced quality of life. There is emerging evidence that exercise-based and physiotherapeutic interventions are of benefit for improving fall risk factors, such as balance. However, the benefit, in terms of preventing falls, is mixed. The development of effective interventions has been identified as the ...
Left ventricular function was assessed in 10 patients with alcoholic cirrhosis and ascites without clinical evidence of heart disease. In the resting state pulmonary wedge pressure (PWP) was normal (average 9.7 mm Hg), cardiac output (CO) was elevated (average 9.7 L/min) and systemic vascular resistance (SVR) was low (average 825 dynes-sec-cm-5). During infusion of angiotensin in a dose suffici...
Stability Analysis and Controller Synthesis for a Class of Piecewise Smooth Systems Behzad Samadi, Ph.D. Concordia Unviersity, 2008 This thesis deals with the analysis and synthesis of piecewise smooth (PWS) systems. In general, PWS systems are nonsmooth systems, which means their vector fields are discontinuous functions of the state vector. Dynamic behavior of nonsmooth systems is richer than...
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