近日,天氣濕熱,正是蛇蟲最活躍的時節。田間地頭、房前屋后,都有可能與毒蛇“狹路相逢”,其中不乏五步蛇等劇毒蛇種,嚴重者可致凝血功能障礙甚至危及生命,需格外警惕。
清理舊物時被五步蛇咬傷
大叔命懸一線
“誰知道在自家院子里整理點舊物,也能碰上這種東西!”躺在杭州市中醫院病床上55歲的何先生聲音沙啞,面色略顯蒼白。他的右手臂自腕部至前臂中段明顯紅腫發黑,皮膚表面可見散在水皰,已進行急診抗蛇毒治療,目前創面處接著多根負壓引流管,正持續引出暗紅色血性滲液。雖已脫離最危險的階段,但說起幾天前的那場意外,他仍覺后怕。
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五步蛇示意圖,與本文無關
那天傍晚,何先生趁著天涼快,打算把屋后小院里積攢的一堆廢舊木料和瓦罐清理掉。當他用力拽起一塊壓在角落的朽木板時,忽然感覺右手腕被什么冰涼、尖利的東西猛刺了一下,緊接著一陣燒灼般的劇痛從腕部迅速向上擴散。他猛地縮回手,只見木板翻落間,一條劇毒五步蛇正盤踞在瓦罐縫隙里昂著頭與何先生對視。
A 55-year-old man surnamed He in Hangzhou, Zhejiang province, is recovering after surviving a life-threatening snakebite. The incident occurred while He was clearing old wood and clay jars in his courtyard. After lifting a rotten wooden plank, he was bitten on the wrist by a venomous pit viper concealed underneath.
傷口處有兩個較為寬大的牙痕,很快周圍皮膚便迅速開始腫脹、疼痛,并有暗紅色的血水從牙痕處滲出。因為劇烈疼痛以及驚嚇,何先生兩眼一黑暈了過去。家人見狀大驚,立即撥通120將其緊急送至杭州市中醫院急診科。
The wound quickly became swollen and began bleeding, and he lost consciousness before being rushed to the hospital.
送到醫院后
檢測尿液已呈醬油色
入院后,皮膚科迅速啟動多學科會診,同步給予抗蛇毒血清、抗感染、抗過敏、止血、保肝護腎等綜合對癥支持治療,并緊急安排檢查。
結果令人震驚:血小板計數急劇下降,肌酶顯著升高,尿鏡檢紅細胞(+++),凝血酶原時間根本無法測出,尿液呈醬油色。所有這些指標都指向嚴重的凝血功能障礙,一旦發生多部位黏膜或內臟大出血,隨時可能危及生命。
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患者尿液由醬油色變為正常黃色
面對如此兇險的病情,專家團隊立即為患者實施床邊血漿置換和連續性腎臟替代治療(CRRT)。隨著血泵緩緩轉動,淡黃色的新鮮血漿一滴一滴輸入何先生體內,而含有毒素的廢棄血漿則被逐步分離排出。治療后,患者的尿液色澤從醬油色逐漸變為茶色,復查凝血功能及尿常規指標明顯改善,在場醫護終于松了口氣。
為進一步清除殘存毒素,后續又為何先生實施了持續床邊血液灌流治療。外科團隊隨即緊急為何先生進行徹底清創引流。脫離生命危險后,患者轉入皮膚科,進一步接受中西醫結合治療。目前何先生病情已趨于平穩,各項指標在逐步恢復中。
Doctors administered antivenom immediately, but tests showed that the venom had severely affected his blood-clotting ability, putting him at risk of life-threatening bleeding. Doctors then carried out emergency toxin-removal treatment and surgery to clean the wound. His condition later stabilized, and he is now making a steady recovery.
被毒蛇咬傷后緊急處理
保持鎮靜,盡快遠離蛇所在區域,盡量記住蛇的外形、顏色、頭部形狀等特征,有條件可拍照留證。
Stay calm and move away from the snake. If possible, remember its appearance or take a photo for identification.
立即撥打120并盡快就醫;及時摘掉受傷肢體飾物,如戒指、手表等,保持受傷肢體靜止下垂、低于心臟水平,切勿步行或奔跑,減少毒素擴散。
Call emergency services and seek medical attention immediately. Remove jewelry from the affected limb and keep it still and below heart level.
在咬傷肢體近心端、距傷口5~10cm處,用布條、鞋帶等就地取材結扎,松緊度以阻斷淋巴和靜脈回流為宜(勿過緊),每30分鐘放松1~2分鐘。
Apply a constriction band 5–10 cm above the bite site to slow venom spread. Loosen it briefly every 30 minutes.
用大量流動的清水沖洗傷口及周圍皮膚,有條件者以3%過氧化氫或1:5000高錳酸鉀溶液反復沖洗,清除毒牙及污物;沖洗時從肢體近心端向傷口方向輕輕擠壓,促使毒液排出(勿用力過猛),也可用吸引器或注射器輔助排毒。
Rinse the wound thoroughly with clean running water.
轉運途中保持傷口與心臟齊平或稍低,切勿抬高患肢。
During transport, keep the affected limb at or slightly below heart level and avoid unnecessary movement.
再次提醒
梅雨時節,蛇類出沒頻繁
進山務農、踏青請穿膠鞋長褲
若不幸被蛇咬傷
切記“三不要”
不要奔跑
不要用力擠壓傷口
不要自行放血
來源:人民日報微信綜合 杭州市中醫院、杭州日報、紅星新聞
跟著China Daily
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