Cross-Sectional Study to Evaluate Infection in Operation Theater and Difference in Infection Pattern Between Laminar Air Flow and Non-Laminar Air Flow Operation Theaters

The Journal of Sylhet Women’s Medical College Pub Date : 2023-01-01 DOI:10.47648/jswmc2023v13-01-65

Selina F, Talha KA, Chowdhury NA, Das S, Khatoon M, Hasan MF

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Abstract

This was a cross-sectional study to compare the infection rate between laminar air flow and non-laminar air flow operation theater (OT). This was bi-center study and study places were the OT complexes of Sylhet Women’s Medical College Hospital (SWMCH) and Al Haramain Hospital Pvt. Ltd. of Sylhet. A Total 24 samples were collected from 12 OTs. Air and wall swab both types of samples were collected from each OT. Out of these 12 OTs 4 had laminar air flow system. Half of the air samples (50%) and 8.3% of wall samples were infected, whereas overall organism isolation rate was 29.17%. Among all the infected samples 25% were from laminar air flow OTs and the rest 75% were from non-laminar air flow OTs. Commonest isolated bacteria was staphylococcus epidermidis (62.5%) followed by bacillusspp (25%) and staphylococcus aureus (12.5%). staphylococcus epidermidis was predominantly found in General Surgery, Obstetrics and septic OTs. Distance from entry or toilet did not show any significant difference in infection rate in operation theaters.

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层流手术室与非层流手术室感染形态差异的横断面研究

这是一项横断面研究，比较层流空气和非层流空气手术室(OT)的感染率。这是一个双中心研究，研究地点是锡尔赫特妇女医学院医院(SWMCH)和锡尔赫特Al Haramain医院私人有限公司的OT综合体。12个试验点共采集24份样本。从每个OT收集空气和壁拭子两种类型的样本。在这12个OTs中，4个有层流气流系统。一半的空气样本(50%)和8.3%的壁面样本被感染，而总体微生物分离率为29.17%。在所有感染样本中，层流呼吸道感染占25%，非层流呼吸道感染占75%。最常见的分离细菌是表皮葡萄球菌(62.5%)，其次是杆菌(25%)和金黄色葡萄球菌(12.5%)。表皮葡萄球菌主要见于普外科、产科和感染性外伤科。距离入口和厕所的距离对手术室感染率无显著影响。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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The Journal of Sylhet Women’s Medical College

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