نتایج جستجو برای: smear positivity
تعداد نتایج: 33526 فیلتر نتایج به سال:
BACKGROUND Disseminated bacillus calmette guerin (BCG) infection is a rare but life threatening complication of BCG vaccination. It has been mainly seen in severe immune deficiency. A precise and rapid diagnosis is crucial for prompt initiation of an aggressive anti-mycobacterial treatment. Polymerase chain reaction (PCR) is directly applicable to smear-positive clinical specimens, proven to be...
INTRODUCTION Childhood tuberculosis (TB), although estimated to account for a major proportion of the global TB disease burden, has a lower public health priority. Reliable research and surveillance data on childhood TB is limited in most regions of the world. This study was conducted to assess the burden of childhood TB among the household contacts of new TB patients in Karachi, Pakistan. ME...
Background: Tuberculosis remains a major public health problem worldwide. Direct Ziehl Nelseen (ZN) is the conventional Laboratory method for diagnosis of TB. However, there are higher chances missing TB positive cases due to insufficient sensitivity. This would eventually lead transmission and hence mortality. Objective: To determine sensitivity specificity ZN diagnostic technique on concentra...
BACKGROUND Existing reading schemes for chest X-ray (CXR) used to grade the extent of disease severity at diagnosis in patients with pulmonary tuberculosis (PTB) are often based on numerical scores that summate specific radiographic features. However, since PTB is known to exhibit a wide heterogeneity in pathology, certain features might be differentially associated with clinical parameters of ...
Although tuberculosis (TB) is a treatable disease, it continues to be an important health problem affecting societies worldwide. TB one of the 10 most common causes death worldwide today, despite efforts national organizations and global struggle World Health Organization (WHO), that have continued since its first establishment exceeded seventy years. Somalia faces many negative factors hinder ...
I read with great interest the article by Chien et al 1 in a recent issue of CHEST (June 2013) wherein the authors reported the signifi cance of smear positivity of acid-fast bacillus at the end of the fi fth month of treatment in patients with non-multidrug-resistant (MDR) TB. The principal query in reference to this study arises with regard to its clinical and practical implication in the fi ...
I read with great interest the article by Chien et al 1 in a recent issue of CHEST (June 2013) wherein the authors reported the signifi cance of smear positivity of acid-fast bacillus at the end of the fi fth month of treatment in patients with non-multidrug-resistant (MDR) TB. The principal query in reference to this study arises with regard to its clinical and practical implication in the fi ...
classical explicit finite difference schemes are unsuitable for the solution of the famous black-scholes partial differential equation, since they impose severe restrictions on the time step. furthermore, they may produce spurious oscillations in the solution. we propose a new scheme that is free of spurious oscillations and guarantees the positivity of the solution for arbitrary stepsizes. the...
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