نتایج جستجو برای: progressive failure
تعداد نتایج: 477511 فیلتر نتایج به سال:
P ulmonary clinicians are often faced with management problems for which there are no answers at hand, either because there is no literature that definitely gives answers, because there are conflicting data in the literature, or because the circumstances surrounding the clinical cases are unusual enough to prevent the application of existing scientific knowledge. When faced with these problems,...
In the majority of patients with chronic renal failure (CRF), the underlying nephropathy continues to progress well after the initiating events have subsided.' As a result, renal function in these patients declines relentlessly with time as functional renal tissue is progressively destroyed. Such progressive decline in renal function occurs in most patients at a constant and predictable rate.2 ...
The objective of this study was to assess the cost-effectiveness of magnetic resonance angiography (MRA) imaging for renal artery stenosis (RAS) in people with progressive renal failure (PRF). We created a simulation model to determine the incremental cost-effectiveness of MRA screening in PRF compared with the fallback strategy of not screening. Costs, probabilities, and utilities were estimat...
BACKGROUND The striated muscle costamere, a multiprotein complex at the boundary between the sarcomere and the sarcolemma, plays an integral role in maintaining striated muscle structure and function. Multiple costamere-associated proteins, such as integrins and integrin-interacting proteins, have been identified and shown to play an increasingly important role in the pathogenesis of human card...
A 29-year-old African American woman with an 8-year history of biopsy-proven renal sarcoidosis and end-stage renal disease requiring hemodialysis was admitted to the hospital with progressive weakness and shortness of breath for 2 months. Eight months prior to admission, she was prescribed 15 mg of prednisone twice a day and 200 mg of hydroxychloroquine sulfate twice a day for hypercalcemia and...
during a period of 7 years (1997-2003) we were received pairs of serum and csf of 27 suspicious clinically cases from neurology department of several hospitals in tehran. among them 7 were serologically positive for progressive rubella panencephalitis (prpe) and 2 were positive for sub acute sclerosing panencephalitis (sspe). rubella virus was isolated from 4 of 7 serologically positive cases o...
BACKGROUND Wavelet decomposition of the signal-averaged electrocardiogram has been proposed as a method of detecting small and transient irregularities hidden within the QRS complex and of overcoming some of the limitations of time domain analysis of the signal-averaged electrocardiogram. AIM This study evaluated the potential utility of wavelet decomposition analysis in the risk stratificati...
The pathophysiology of failure to wean from mechanical ventilation consists of depressed central respiratory drive, impaired respiratory mechanics, respiratory muscle weakness, increased load, impaired gas exchange, and compromised cardiovascular performance. Among patients with weaning failure, depressed central respiratory drive occurs in only a small portion (approximately 10%),1 whereas mos...
We propose that stage D advanced heart failure be defined as the presence of progressive and/or persistent severe signs and symptoms of heart failure despite optimized medical, surgical, and device therapy. Importantly, the progressive decline should be primarily driven by the heart failure syndrome. Formally defining advanced heart failure and specifying when medical and device therapies have ...
Background Heart failure with preserved systolic function is a clinical syndrome with the same signs and symptoms of classic heart failure. Chagas disease is a major cause of heart failure in Latin America, associated with dilated cardiomyopathy and progressive deterioration of systolic function. There are no previous assessment studies of patients with heart failure and preserved systolic func...
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