A face mask is essential personal protective equipment to mitigate the spread of COVID-19. While a cloth has least ability prevent passage infectious respiratory droplets through it compared surgical and N95 masks, does not fit snugly causes significant air leakage. The synthetic fibers in latter reduce comfortability are an allergen for facial eczema. Moreover, CO 2 inhalation reduces heat tra...

Aims. The aim of the study was to compare endotracheal intubation with i-gel and LMA (laryngeal mask airway) supreme supraglottic airway devices in orbital osteosynthesis surgery. Methods. 134 patients undergoing orbital plasty after fracture were enrolled in our study and were randomized into three groups: 43 in the endotracheal intubation group, 42 in the LMA-Supreme group, and 49 patients w...

Maxillary hypoplasia is a frequently observed secondary deformity in individuals born with cleft lip and palate. The impairment of maxillary growth coupled with extensive postoperative scarring as a result of multiple previous surgeries brings about maxillary deficiency in all planes viz vertical, horizontal and transverse. The resulting class III skeletal malocclusion together with maxillary h...

background: despite the widespread use of respiratory protection equipment in different jobs, the effects of these devices on people’s physiological responses are not well recognized as yet. therefore, the aim of this study is to evaluate the effect of the air purifying respiratory protection equipment on the heart rate. methods: this experimental study was performed in a climate chamber under ...

we conducted this study to determine the risk of transmission of q fever to health care workers (hcws) during perioperative exposure to coxiella burnetii -infected thoracic endovascular aneurysm stent graft. pre-operative and 6-week post-operative phase i and ii igg q fever antibody titers were determined in 14 staff members of an operation room. the room had a negative pressure and all the mem...

In the present pandemic time, face masks are found to be most effective strategy against spread of virus within community. As aerosol-based spreading is considered as primary mode transmission, interaction with incoming droplets needs understood thoroughly for an usage among public. work, we explore interactions over commonly used 3-ply surgical masks. A detailed study wetting signature, adhesi...

this research project is a field study to investigate the complications of general anaesthesia with mask in patients under surgery in a hospital affiliated to university of medical sciences iran. the specific goals of this study are as follows:   -to determine some of the characters of patients under study.   -to determine the complications of general anesthesia with mask during surgery in one ...