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肝硬化患者的镇痛:文献综述与建议

Analgesia for the cirrhotic patient: a literature review and recommendations.

作者信息

Dwyer Jeremy P, Jayasekera Chatura, Nicoll Amanda

机构信息

Department of Gastroenterology and Hepatology, Royal Melbourne Hospital, Parkville, Victoria, Australia.

出版信息

J Gastroenterol Hepatol. 2014;29(7):1356-60. doi: 10.1111/jgh.12560.

Abstract

The choice of analgesic agent in cirrhotic patients is problematic and must be individualized taking into account several factors including severity of liver disease, history of opioid dependence, and potential drug interactions. With a cautious approach including slow dose up-titration and careful monitoring, effective analgesia can be achieved in most cirrhotic patients without significant side effects or decompensation of their liver disease. Paracetamol is safe in patients with chronic liver disease but reduced doses of 2-3 grams daily is recommended for long-term use. Non-steroidal anti-inflammatory drugs are best avoided because of risk of renal impairment, hepatorenal syndrome, and gastrointestinal hemorrhage. Opioids have an increased risk of toxicity particularly in patients with hypoalbuminaemia, and immediate-release as opposed to controlled-release formulations are advised. Co-prescription of laxatives is mandatory to avoid constipation and encephalopathy. Adjuvant analgesics such as tricyclic antidepressants and anti-convulsants may be used cautiously for cirrhotic patients with neuropathic pain. Gabapentin or pregabalin may be better tolerated in cirrhosis because of non-hepatic metabolism and a lack of anti-cholinergic side effects.

摘要

肝硬化患者镇痛剂的选择存在问题,必须考虑包括肝病严重程度、阿片类药物依赖史和潜在药物相互作用等多个因素进行个体化选择。采取谨慎的方法,包括缓慢增加剂量和仔细监测,大多数肝硬化患者可以实现有效的镇痛,且无明显副作用或肝病失代偿。对乙酰氨基酚对慢性肝病患者是安全的,但长期使用建议每日剂量减至2 - 3克。由于存在肾功能损害、肝肾综合征和胃肠道出血的风险,最好避免使用非甾体抗炎药。阿片类药物的毒性风险增加,特别是在低白蛋白血症患者中,建议使用速释制剂而非控释制剂。必须联合使用泻药以避免便秘和肝性脑病。对于有神经性疼痛的肝硬化患者,可谨慎使用辅助镇痛药,如三环类抗抑郁药和抗惊厥药。加巴喷丁或普瑞巴林在肝硬化患者中可能耐受性更好,因为它们通过非肝脏代谢且无抗胆碱能副作用。

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