نتایج جستجو برای: historical cohort study

تعداد نتایج: 4106209  

Background: Little is known about pulmonary complications induced by Sulfur Mustard (SM), as a chemical warfare agent,especially considering its long term effects. The present study was carried out to investigate the association of α1-antitrypsin(A1AT), Complement component C5a, and Secretory Immunoglobulin A (sIgA) with long-term pulmonary complications on SMexposedindividuals, 20 years after ...

Journal: :Epidemiology and infection 2001
R A Marrie C Wolfson

We have evaluated the epidemiological evidence for an aetiological role of varicella zoster virus (VZV) infection in the development of multiple sclerosis (MS). A MEDLINE search of the English language literature for 1965-99 identified 40 studies. These studies were categorized as seroepidemiological (13), case-control (23), historical cohort (2) or ecological (2). One study used both case-cont...

2017
Roman Fazylov

Background: The current health care–associated pneumonia (HCAP) model may be too broad, leading to inappropriate use of broad-spectrum antibiotics. As a result, therapeutic algorithms, such aswhatMaruyama et al validated, have been developed for a more specific therapy. Our study aims to validate this algorithm in our patient population. Methods: This is a single-center, prospective, cohort stu...

Journal: :international journal of reproductive biomedicine 0
lii-shung huang chi-hwa yen shu-hsin lee bih-ching shu for-wey lung

background: there is an upward trend for parents to resort to assisted reproductive technology (art) treatment due to delayed childbirth or birth difficulties. objective: this study investigates the pregnancy health and birth outcomes of women who underwent art and analyzes the factors that influence birth weight to become<10 percentile when undergoing art. materials and methods: this study ana...

Journal: :medical journal of islamic republic of iran 0
mashallah aghilinejad occupational medicine research center (omrc) & faculty of medicine, iran university of medical sciences and health serviسازمان اصلی تایید شده: دانشگاه علوم پزشکی ایران (iran university of medical sciences)سازمان های دیگر: occupational medicine research center (omrc) negah tavakolifard faculty of medicine, iran university of medical sciences, tehran, iran.سازمان اصلی تایید شده: دانشگاه علوم پزشکی ایران (iran university of medical sciences) sayed aliakbar mortazavi occupational medicine research center (omrc) & faculty of medicine, iran university of medical sciences and health serviسازمان اصلی تایید شده: دانشگاه علوم پزشکی اصفهان (isfahan university of medical sciences)سازمان های دیگر: occupational medicine research center (omrc) & faculty of medicine elahe kabir mokamelkhah akbar sotudehmanesh occupational specialist, isfahan, iran seyed alireza mortazavi occupational medicine specialist, department of community medicine, faculty of medicine, isfahan university of medicalسازمان اصلی تایید شده: دانشگاه علوم پزشکی اصفهان (isfahan university of medical sciences)

background: low back pain (lbp) is one of the most common problems among the workers of different industries. the role of occupational factors in causing the lbp has been indicated previously. lbp has great socio-economic costs and most of its costs are related to the chronic lbp. the aim of this study was to identify the occupational risk factors that are related to the progression of the lbp ...

Journal: :International Journal of Women's Health and Reproduction Sciences 2018

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