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首页> 外文期刊>ANZ journal of surgery >Surgical masks: operative field contamination following visor-to-visor contact.
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Surgical masks: operative field contamination following visor-to-visor contact.

机译：手术口罩：面罩之间接触后造成手术区域污染。

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Background: Clashing of surgical visor masks frequently occurs when two surgeons bend over an operative field simultaneously; however, it is unknown whether this results in contamination. The purpose of the present study was to determine the potential for operative field contamination following surgical visor-mask clashes. The nature of bacterial contamination was also assessed. Methods: Thirty sham operative procedures were performed under normal operating conditions for a specified time period. The number of surgical visor mask clashes during each procedure was determined by randomization (0, 1, 2, 3, 4 or 6 clashes). All procedures were performed over a standard blood agar plate array. The degree of bacterial contamination was assessed by counting c.f.u. that developed after 24 h of incubation. Bacterial types were also determined. Results: Surgical visor mask clashes resulted in increased contamination of the operative field; however, this was found to be independent of the number of clashes. 95% of pathogens were coagulase negative Staphylococcus species. Other bacteria included Micrococcus species, Bacillus species, Corynebacterium species, various Gram negative bacilli and Staphylococcus aureus (< 1%). Conclusion: Surgical visor mask clashes increase the risk of bacterial contamination of the operative field.
机译：背景：当两名外科医生同时弯腰手术区域时，经常会发生手术口罩的碰撞。但是，尚不清楚这是否会造成污染。本研究的目的是确定手术遮阳板-面罩碰撞后手术区域污染的可能性。还评估了细菌污染的性质。方法：在正常操作条件下，在指定的时间段内执行30次假手术程序。每个手术过程中手术护目镜面罩碰撞的次数由随机数确定（0、1、2、3、4或6次碰撞）。所有步骤均在标准血琼脂平板阵列上进行。通过计数c.f.u来评估细菌污染的程度。孵育24小时后形成的。还确定了细菌类型。结果：手术口罩面罩碰撞导致手术区域污染增加;但是，发现这与冲突次数无关。 95％的病原体是凝固酶阴性葡萄球菌。其他细菌包括微球菌种，芽孢杆菌种，棒状杆菌种，各种革兰氏阴性杆菌和金黄色葡萄球菌（<1％）。结论：手术口罩面罩碰撞会增加手术区细菌污染的风险。

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