对于遭受电击伤的患者,要立即采取基本生命支持措施(气道、呼吸和循环)。应将其视为多发性创伤患者,进行颈椎固定,直到全面掌握受伤的严重程度。[25]Cooper MA. Emergent care of lightning and electrical injuries. Semin Neurol. 1995;15:268-278.http://www.ncbi.nlm.nih.gov/pubmed/8570929?tool=bestpractice.com在确定患者心肺状态前,救援人员必须首先排除发生进一步电击伤的危险,确保安全的评估环境。[16]American Heart Association. Highlights of the 2015 AHA guidelines for CPR and ECC. 2015. http://www.heart.org/ (last accessed 2 June 2017).https://eccguidelines.heart.org/wp-content/uploads/2015/10/2015-AHA-Guidelines-Highlights-English.pdf
在非工业环境下,多数低电压电击伤患者不会留下任何后遗症,心电图和查体正常后即可出院。
对于存在意识丧失、持续性心电图改变及明显的继发性损伤的患者,应入院接受治疗。[19]Arnoldo B, Klein M, Gibran, NS. Practice guidelines for the management of electrical injuries. J Burn Care Res. 2006;27:439-447.http://www.ncbi.nlm.nih.gov/pubmed/16819345?tool=bestpractice.com需要标准支持性治疗。[25]Cooper MA. Emergent care of lightning and electrical injuries. Semin Neurol. 1995;15:268-278.http://www.ncbi.nlm.nih.gov/pubmed/8570929?tool=bestpractice.com
如果患者的电击伤来自于电子控制装置(例如电击枪),治疗方法基本与其他电击伤相同。电击枪的子弹、或因电击所导致的跌倒偶尔会造成额外的损伤,应对这些额外损伤进行评估。[12]Pasquier M, Carron PN, Vallotton L, et al. Electronic control device exposure: a review of morbidity and mortality. Ann Emerg Med. 2011;58:178-188.http://www.ncbi.nlm.nih.gov/pubmed/21546120?tool=bestpractice.com
心律失常
如果患者存在危及生命的心律失常,应根据标准 ACLS 方案进行合理治疗。[16]American Heart Association. Highlights of the 2015 AHA guidelines for CPR and ECC. 2015. http://www.heart.org/ (last accessed 2 June 2017).https://eccguidelines.heart.org/wp-content/uploads/2015/10/2015-AHA-Guidelines-Highlights-English.pdf出现心电图改变的患者,受伤后的监护时间应至少为 6 小时。如果心电图仍存在异常,患者应入院进行持续监测。[26]Blackwell N, Hayllar J. A three year prospective audit of 212 presentations to the emergency department after electrical injury with a management protocol. Postgrad Med J. 2002;78:283-285.http://www.ncbi.nlm.nih.gov/pmc/articles/PMC1742340/pdf/v078p00283.pdfhttp://www.ncbi.nlm.nih.gov/pubmed/12151571?tool=bestpractice.com
对心脏停搏和继发性缺氧性脑损伤的患者可进行低温治疗。[27]Froehler MT, Geocadin RG. Hypothermia for neuroprotection after cardiac arrest: Mechanisms, clinical trials and patient care. J Neurol Sci. 2007;261:118-126.http://www.ncbi.nlm.nih.gov/pubmed/17559883?tool=bestpractice.com
烧伤
皮肤烧伤应首先用敷料进行治疗。应根据已有的治疗方案,在相应的专科病房对烧伤患者进行后续治疗。
应给予静脉输液,但对于输液量尚无明确的指导方针,且“九分法”并不包括电击伤中的潜在组织损伤。[25]Cooper MA. Emergent care of lightning and electrical injuries. Semin Neurol. 1995;15:268-278.http://www.ncbi.nlm.nih.gov/pubmed/8570929?tool=bestpractice.com应根据患者的血压、脉搏、尿量、意识情况和中心静脉压的监测结果(如果条件合适)进行补液。
应检查破伤风免疫接种史,如果患者未曾免疫,应考虑对其进行免疫接种,并注射破伤风免疫球蛋白。[25]Cooper MA. Emergent care of lightning and electrical injuries. Semin Neurol. 1995;15:268-278.http://www.ncbi.nlm.nih.gov/pubmed/8570929?tool=bestpractice.com[28]Ministry of Health, NSW. Rural adult emergency clinical guidelines. 4th ed. May 2016. http://www1.health.nsw.gov.au (last accessed 2 June 2017).http://www1.health.nsw.gov.au/pds/Pages/doc.aspx?dn=GL2016_012
四肢损伤
应妥善处理骨折和脱位。
应评估四肢是否存在骨筋膜间室综合征,并尽早施行筋膜切开术/焦痂切除术或对无法存活的肢体进行截肢。
如果存在横纹肌溶解症,静脉输液的速率应确保尿量至少为 1 mL/kg/小时。[22]Shapiro ML, Baldea A, Luchette FA. Rhabdomyolysis in the Intensive Care Unit. J Intensive Care Med. 2012;27:335-342.http://www.ncbi.nlm.nih.gov/pubmed/21436168?tool=bestpractice.com[25]Cooper MA. Emergent care of lightning and electrical injuries. Semin Neurol. 1995;15:268-278.http://www.ncbi.nlm.nih.gov/pubmed/8570929?tool=bestpractice.com
神经性损伤
对于头部和脊椎损伤,应进行相应的神经系统检查和治疗。