نتایج جستجو برای: surgical mask

تعداد نتایج: 353216  

Journal: :Infection control and hospital epidemiology 2007
Werner E Bischoff Brian K Tucker Michelle L Wallis Beth A Reboussin Michael A Pfaller Frederick G Hayden Robert J Sherertz

OBJECTIVE Transmission of Staphylococcus aureus via air may play an important role in healthcare settings. This study investigates the impact of barrier precautions on the spread of airborne S. aureus by volunteers with experimentally induced rhinovirus infection (ie, the common cold). DESIGN Prospective nonrandomized study. SETTING Wake Forest University School of Medicine (Winston-Salem, ...

Journal: :British journal of anaesthesia 1987
J P Kenefick A Leader J R Maltby P J Taylor

Three anaesthetic techniques based on isoflurane were compared in outpatients undergoing laparoscopy. Sixty healthy patients were randomly allocated to receive isoflurane via mask (spontaneous respiration), via tracheal tube (spontaneous respiration) or via tracheal tube with controlled ventilation. Moderate hypercarbia occurred in the group breathing from a mask, although there was no further ...

Journal: : 2023

Purpose. The continuous use of mask wear from pandemic induces instability in tear film due to the air blown up mask. study’s objective was assess effect type and duration, including short-term on TBUT. Design methods. This a cross-sectional, comparative study. A total 90 (180 eyes) subjects (76 females) were involved study categorized into three groups, each comprising 30 subjects. Either grou...

Journal: :Canadian Medical Association Journal 2016

Journal: :Applied sciences 2021

COVID-19 restrictions stipulate the mandatory use of surgical masks during outdoor and indoor physical activities. The impact this on athletic performance especially anaerobic activities is poorly known. aim present research was to analyze effect mask running athletes. Modifications in time, blood lactate, glucose, oxygen saturation, subjective perceived stress, rating exertion, heart rate vari...

2017
Chameen Samarawickrama Yi-Chiao Li Nicole Carnt Mark Willcox Debarun Dutta Stephanie Watson

Aims To identify potential contaminants of the corneal sampling procedure and examine the effect of wearing surgical face masks on the rate of contamination. Methods Ten surgeons recited out loud a 30 s standardised script for corneal scraping with blood agar plates positioned 30 cm away from them. Three groups were identified: in group 1 a surgical mask was worn; group 2 had no mask worn; an...

نمودار تعداد نتایج جستجو در هر سال

با کلیک روی نمودار نتایج را به سال انتشار فیلتر کنید