نتایج جستجو برای: ventilation

تعداد نتایج: 47711  

بهرامی, عبدالرحمن, جمشیدی راستانی, مهدی, حسینی, سمیه, قربانی شهنا, فرشید,

Introduction: Adherence to the design values and ventilation standards (VS) after installing and also maintaining continuous work of ventilation system with maximum performance throughout its life are amongst the reasons of ventilation systems monitoring. Therefore, the aim of this study was to evaluate performance of local exhaust ventilation system for control of dust by measuring the operati...

Journal: :international journal of pediatrics 0
nemat bilan pediatric health research center , tabriz university of medical sciences, tabriz iran. mohammad barzegar pediatric health research center , tabriz university of medical sciences, tabriz iran. parinaz habibi pediatric health research center , tabriz university of medical sciences, tabriz iran.

introduction:guillain-barre syndrome(gbs) is the most common cause of acute flaccid paralysis. respiratory failure is the most serious short-term complication of gbs and invasive mechanical ventilation is required in 30% of patients.moreover,60% of those who are intubated develop major complications including pnemonia,sepsis,gi bleeding and pulmonary embolism. thus respiratory failure predictio...

Journal: :hepatitis monthly 0
ivan gentile department of clinical medicine and surgery, university of naples federico ii, via s. pansini, naples, italy; department of clinical medicine and surgery, section of infectious diseases (ed. 18), university of naples federico ii, via s. pansini 5, naples, italy. tel: +39-817463178, fax: +39-817463190 nicola coppola department of public medicine, section of infectious disease, second university of naples, via l. armanni, naples, italy giuseppe pasquale department of public medicine, section of infectious disease, second university of naples, via l. armanni, naples, italy raffaele liuzzi institute of biostructure and bioimaging, national research council (cnr), naples, italy maria d’armiento department of advanced biomedical science, university of naples federico ii, via s. pansini, naples, italy maria emma di lorenzo department of clinical medicine and surgery, university of naples federico ii, via s. pansini, naples, italy

conclusions patients with chronic hepatitis c and with a ciscun ≤ 1 had a very low rate of cirrhosis while those with a ciscun = 4 had a high risk of cirrhosis. patients with ciscun = 2 or 3 had an intermediate rate of cirrhosis, and therefore needed to perform a liver biopsy to receive a reliable diagnosis. results we enrolled 249 patients who had complete laboratoristic data, and sufficient l...

Journal: :evidence based care 0
mahdi alimi ms in nursing, school of nursing and midwifery, mashhad university of medical sciences, mashhad, iran zahra sadat manzari assistant professor, phd of nursing, department of medical-surgical nursing, school of nursing & midwifery, mashhad university of medical sciences, mashhad, iran seyed reza mazlom evidence based care research centre, instructor of medical-surgical nursing, school of nursing and midwifery, mashhad university of medical sciences, mashhad, iran ahmad bagheri moghadam assistant professor, department of anaesthesiology and critical care, imam reza hospital, mashhad university of medical sciences, mashhad, iran hossein rouhani anesthesiologist, shahid kamyab hospital, mashhad university of medicals sciences, mashhad, iran

background: ventilator-associated pneumonia (vap) is the most prevalent and lethal form of nosocomial infections in the icu and oral disinfection is a nursing measure to prevent this condition. aim: this study aimed to evaluate the effect of oronasal versus oral disinfections with chlorhexidine on the clinical criteria for diagnosis of vap. method: this randomized clinical trial was conducted o...

Journal: :international journal of environmental research 0
s. jokari department of chemical engineering, faculty of engineering, university of tehran, p.o. box 11155-4563,tehran, iran, research center for new technologies in life science engineering, university of tehran, p.o. box 63894-14179, tehran, iran h. rashedi department of chemical engineering, faculty of engineering, university of tehran, p.o. box 11155-4563,tehran, iran, research center for new technologies in life science engineering, university of tehran, p.o. box 63894-14179, tehran, iran gh. amoabediny department of chemical engineering, faculty of engineering, university of tehran, p.o. box 11155-4563,tehran, iran s. naghizadeh dilmaghani department of chemical engineering, faculty of engineering, university of tehran, p.o. box 11155-4563,tehran, iran m. mazaheri assadi environmental biotechnology group, biotechnology department, iranian research organization for science and technology, p.o.box:15815-3538, tehran, iran

in recent years, biosurfactants due to wide applications in chemical, petroleum, food andpharmaceutical industries, have been widely considered by researchers. biosurfactants are produced by aseries of microorganisms, so it is important to screen culture medium and operating conditions in miniaturized bioreactors prior to scaling up to large bioreactors.in this study, using a kind of miniaturiz...

Journal: :Public Health 1901

Journal: :research in cardiovascular medicine 0
avisa tabib heart valve disease research center, rajaie cardiovascular medical and research center, iran university of medical sciences, tehran, ir iran seyed ehsan abrishami heart valve disease research center, rajaie cardiovascular medical and research center, iran university of medical sciences, tehran, ir iran; heart valve disease research center, rajaie cardiovascular medical and research center, valiasr ave, niayesh blvd, tehran, ir iran. tel: +98-9132951707 mohammad mahdavi heart valve disease research center, rajaie cardiovascular medical and research center, iran university of medical sciences, tehran, ir iran hojjat mortezaeian heart valve disease research center, rajaie cardiovascular medical and research center, iran university of medical sciences, tehran, ir iran ziae totonchi heart valve disease research center, rajaie cardiovascular medical and research center, iran university of medical sciences, tehran, ir iran

conclusions the results of this study indicated that pmv predictors could be specific for each center and a good administration program is needed for each pediatric cardiac surgery center for the preoperative management of patients undergoing congenital heart surgeries. results a total of 300 patients, 56.7% male, were enrolled in this study. their mean age was 32 ± 40 months .the median durati...

Journal: :anesthesiology and pain medicine 0
julien bordes department of anesthesia and intensive care, sainte anne military teaching hospital, toulon, france; department of anesthesia and intensive care, sainte anne military teaching hospital, sainte anne boulevard, 83000 toulon, france. tel: +33-483162385, fax: +33-483162743 cecilia mazzeo department of anesthesia and intensive care, sainte anne military teaching hospital, toulon, france philippe gourtobe department of anesthesia and intensive care, sainte anne military teaching hospital, toulon, france pierre julien cungi department of anesthesia and intensive care, sainte anne military teaching hospital, toulon, france francois antonini department of anesthesia and intensive care, nord hospital, aix marseille university marseille, france stephane bourgoin department of visceral surgery, sainte anne military teaching hospital, toulon, france

background extraperitoneal laparoscopy has become a common technique for many surgical procedures, especially for inguinal hernia surgery. investigations of physiological changes occurring during extraperitoneal carbon dioxide (co2) insufflation mostly focused on blood gas changes. to date, the impact of extraperitoneal co2 insufflation on respiratory mechanics remains unknown, whereas changes ...

Journal: :anesthesiology and pain medicine 0
alireza pournajafian department of anesthesiology and pain medicine, firoozgar hospital, iran university of medical sciences, tehran, iran; department of anesthesiology and pain medicine, firoozgar hospital, iran university of medical sciences, tehran, iran. tel: +98-2182141360, fax: +98-2188942622 mahzad alimian department of anesthesiology, rasool-e-akram hospital, iran university of medical sciences, tehran, iran faranak rokhtabnak department of anesthesiology and pain medicine, firoozgar hospital, iran university of medical sciences, tehran, iran mohammadreza ghodraty department of anesthesiology and pain medicine, firoozgar hospital, iran university of medical sciences, tehran, iran mozhgan mojri department of anesthesiology and pain medicine, firoozgar hospital, iran university of medical sciences, tehran, iran

results in the i-gel group, the success rate was 66.7% for placement on the first attempt, 16.7% for the second, and 3.33% for the third attempt. in the lma group, the success rates were 80.6% and 12.9% for the first and second attempts, respectively. failure in placement occurred in four cases in the i-gel and two cases in lma groups. the mean insertion time was not significantly different bet...

Efficiency of non-invasive positive pressure ventilation in the treatment of respiratory failure has been shown in many published studies. In this review article, we introduced new modalities of non-invasive ventilation (NIV), clinical settings in which NIV can be used and a practical summary of the latest official guidelines published by the European Respiratory Clinical Practice. Clinical tri...

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