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class=\"medical-article-container\">\n  \u003Ch1 id=\"material_title\">开放性伤口护理：别让小伤拖成大麻烦，麻醉镇痛助你科学康复\u003C/h1>\u003Ch1 id=\"material_title\">\u003Cbr>\u003C/h1>\u003Cdiv class=\"section-ending\">&nbsp;最近接诊的一位24岁小伙子让我印象深刻：骑电动车摔伤后，他觉得伤口不大，随便用纸巾包了包就回家了。可三天后再来医院时，伤口已经发炎化脓，局部麻醉清创时，他还疑惑：“医生，这点小伤至于打麻药吗？”其实，开放性伤口的护理远不止“包起来”这么简单，尤其是在疼痛管理和感染预防上，很多人都存在认知盲区。\u003C/div>\u003Cdiv class=\"section-ending\">不少人觉得“伤口结痂就是快好了”，但实际上，结痂下可能藏着细菌滋生的温床。就像这位小伙子，表面看只是膝盖擦伤，掀开结痂后才发现皮下组织已经坏死——这也是为什么我们强调，开放性伤口需要专业评估，而不是自行处理。\u003C/div>\u003Cdiv class=\"section-ending\">&nbsp;还有人认为“疼痛忍忍就过去了”，其实疼痛不仅会让人不适，还会通过神经反射抑制免疫功能，延缓伤口愈合。特别是较深的伤口，及时使用局部麻醉不仅能减轻清创时的痛苦，还能让医生更彻底地处理伤口，降低感染风险。\u003C/div>\u003Cdiv class=\"section-ending\">&nbsp;所以伤口出现这些情况，一定要及时就医：\u003C/div>\u003Cdiv class=\"section-ending\">&nbsp;- 持续发红发热，红晕范围超过伤口周围2厘米\u003C/div>\u003Cdiv class=\"section-ending\">- 渗液增多，颜色从清亮变成黄色、绿色，甚至有臭味\u003C/div>\u003Cdiv class=\"section-ending\">- 突然疼痛加剧，或者出现搏动性疼痛\u003C/div>\u003Cdiv class=\"section-ending\">- 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