Unverified90% confidenceDecision RuleTime unknown
动脉性中重度出血（喷射状、鲜红）需选择4英寸×4英寸以上并配合填塞式设计的敷料（如Z字折叠纱布条），普通方形贴片仅适用于渗血和小面积创伤
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90%
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Long-term
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Unverified敷料尺寸应超出伤口边缘至少2-3cm以保证有效密封和渗液管理，选购时需按伤口最大径预留余量77% similarUnverified7.5×7.5cm规格适合中等面积伤口覆盖或折叠后做小伤口加压，若伤口小于2cm可能浪费，若伤口较大则需多片拼接，购买前应根据实际伤口面积选择尺寸76% similarUnverified规格为7.5cm×7.5cm的方形纱布片，仅适合小面积伤口覆盖，较大创面需要多片拼接或选择更大规格产品76% similarUnverified渗液较多的伤口应选8层或12层加厚纱布垫（如10×10cm 12层）以增强吸液和缓冲，渗液少的浅表伤口4层或6层纱布即可，层数过多会延长换药时不易观察渗出76% similarUnverified敷贴尺寸应保证垫层四周超出伤口边缘至少2-3cm，粘胶不接触创面；伤口5cm则选10×10cm规格更稳妥74% similar
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