Mahidol-Oxford Tropical Medicine Research Unit, Faculty of Tropical Medicine, Mahidol University, Bangkok, Thailand.
PLoS One. 2011;6(11):e27273. doi: 10.1371/journal.pone.0027273. Epub 2011 Nov 16.
BACKGROUND: Early start of enteral feeding is an established treatment strategy in intubated patients in intensive care since it reduces invasive bacterial infections and length of hospital stay. There is equipoise whether early enteral feeding is also beneficial in non-intubated patients with cerebral malaria in resource poor settings. We hypothesized that the risk of aspiration pneumonia might outweigh the potential benefits of earlier recovery and prevention of hypoglycaemia. METHOD AND FINDINGS: A randomized trial of early (day of admission) versus late (after 60 hours in adults or 36 hours in children) start of enteral feeding was undertaken in patients with cerebral malaria in Chittagong, Bangladesh from May 2008 to August 2009. The primary outcome measures were incidence of aspiration pneumonia, hypoglycaemia and coma recovery time. The trial was terminated after inclusion of 56 patients because of a high incidence of aspiration pneumonia in the early feeding group (9/27 (33%)), compared to the late feeding group (0/29 (0%)), p = 0.001). One patient in the late feeding group, and none in the early group, had hypoglycaemia during admission. There was no significant difference in overall mortality (9/27 (33%) vs 6/29 (21%), p = 0.370), but mortality was 5/9 (56%) in patients with aspiration pneumonia. CONCLUSIONS: In conclusion, early start of enteral feeding is detrimental in non-intubated patients with cerebral malaria in many resource-poor settings. Evidence gathered in resource rich settings is not necessarily transferable to resource-poor settings. TRIAL REGISTRATION: Controlled-Trials.com ISRCTN57488577.
背景:在重症监护病房中,对插管患者进行早期肠内喂养是一种既定的治疗策略,因为它可以降低侵袭性细菌感染和住院时间。在资源匮乏的环境中,对于非插管的脑疟疾患者,早期肠内喂养是否也有益处,目前尚无定论。我们假设,吸入性肺炎的风险可能超过早期恢复和预防低血糖的潜在益处。
方法和发现:2008 年 5 月至 2009 年 8 月,在孟加拉国吉大港对脑疟疾患者进行了一项早期(入院当天)与晚期(成人 60 小时后,儿童 36 小时后)开始肠内喂养的随机试验。主要结局指标是吸入性肺炎、低血糖和昏迷恢复时间的发生率。由于早期喂养组(9/27(33%))吸入性肺炎发生率较高,试验在纳入 56 例患者后终止,而晚期喂养组(0/29(0%)),p=0.001)。晚期喂养组 1 例患者,早期喂养组无患者发生低血糖。总体死亡率无显著差异(9/27(33%)与 6/29(21%),p=0.370),但吸入性肺炎患者的死亡率为 5/9(56%)。
结论:总之,在资源匮乏的许多环境中,对非插管脑疟疾患者进行早期肠内喂养是有害的。在资源丰富的环境中收集的证据不一定适用于资源匮乏的环境。
试验注册:controlled-trials.com ISRCTN57488577。
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