Jones D R, Harris R, Wilson K
Vascular Studies Unit, Bristol Royal Infirmary.
Ann R Coll Surg Engl. 1993 May;75(3):154-6.
The ability to resist fluid penetration was measured in body fabric and forearm seams of standard and reinforced non-woven disposable theatre gowns. Six standard use, non-woven gowns showed water strike-through in the body area at pressures ranging between 12.1 +/- 0.8 cmH2O and 23.2 +/- 2.2 cmH2O (means +/- 95% confidence interval). Two products resisted fluid penetration of the forearm seam at pressures similar to that of the fabric alone (16.8 +/- 1.0 cmH2O and 18.6 +/- 0.9 cmH2O respectively) but other standard gowns leaked at significantly lower pressures (range 4.6-6.9 cmH2O). (P < 0.05, Mann-Whitney U test). Six of seven high-protection gowns proved fluid resistant at a pressure in excess of 50 cm in the reinforced body zone but four reinforced gowns leaked at stitched arm seams at a pressure of less than 10 cmH2O despite an inner impermeable layer of fabric covering the forearm. Three gowns with heat or adhesive sealed reinforced arm seams resisted fluid penetration up to a pressure of 50 cmH2O. Standard gowns and some reinforced gowns do not offer full protection against forearm contamination through stitched seams. A gown with sealed seams and impermeable fabric should be chosen for high-risk cases.
对标准和加固型非织造一次性手术衣的衣身面料和前臂接缝处的抗液体渗透能力进行了测量。六件标准使用的非织造手术衣在衣身部位，压力范围在12.1±0.8厘米水柱至23.2±2.2厘米水柱之间（平均值±95%置信区间）时出现了水渗透现象。有两种产品在前臂接缝处的抗液体渗透能力与单独面料的情况相似（分别为16.8±1.0厘米水柱和18.6±0.9厘米水柱），但其他标准手术衣在显著更低的压力下就出现了渗漏（范围为4.6 - 6.9厘米水柱）。（P<0.05，曼-惠特尼U检验）。七件高防护手术衣中有六件在加固的衣身区域压力超过50厘米时具有抗液体能力，但尽管前臂有一层不透水的内衬织物，仍有四件加固手术衣在缝合的手臂接缝处压力低于10厘米水柱时出现了渗漏。三件采用热封或胶粘密封加固手臂接缝的手术衣在压力达到50厘米水柱时仍能抗液体渗透。标准手术衣和一些加固手术衣不能通过缝合接缝提供全面的前臂污染防护。对于高风险病例，应选择接缝密封且面料不透水的手术衣。
