Morgan David J R, Ho Kwok Ming, Ong Yang Jian, Kolybaba Marlene L
Department of Intensive Care Medicine, St John of God Subiaco Hospital, Perth, Western Australia, Australia.
School of Population Health, The University of Western Australia, Perth, Western Australia, Australia.
ANZ J Surg. 2017 Nov;87(11):886-892. doi: 10.1111/ans.14027. Epub 2017 Jun 12.
The 'weekend' effect is a controversial theory that links reduced staffing levels, staffing seniority and supportive services at hospitals during 'out-of-office hours' time periods with worsening patient outcomes. It is uncertain whether admitting elective surgery patients to intensive care units (ICU) during 'out-of-office hours' time periods mitigates this affect through higher staffing ratios and seniority.
Over a 3-year period in Western Australia's largest private hospital, this retrospective nested-cohort study compared all elective surgical patients admitted to the ICU based on whether their admission occurred 'in-office hours' (Monday-Friday 08.00-18.00 hours) or 'out-of-office hours' (all other times). The main outcomes were surgical complications using the Dindo-Clavien classification and length-of-stay data.
Of the total 4363 ICU admissions, 3584 ICU admissions were planned following elective surgery resulting in 2515 (70.2%) in-office hours and 1069 (29.8%) out-of-office hours elective ICU surgical admissions. Out-of-office hours ICU admissions following elective surgery were associated with an increased risk of infection (P = 0.029), blood transfusion (P = 0.020), total parental nutrition (P < 0.001) and unplanned re-operations (P = 0.027). Out-of-office hours ICU admissions were also associated with an increased hospital length-of-stay, with (1.74 days longer, P < 0.0001) and without (2.8 days longer, P < 0.001) adjusting for severity of acute and chronic illnesses and inter-hospital transfers (12.3 versus 9.8%, P = 0.024). Hospital mortality (1.2 versus 0.7%, P = 0.111) was low and similar between both groups.
Out-of-office hours ICU admissions following elective surgery is common and associated with serious post-operative complications culminating in significantly longer hospital length-of-stays and greater transfers with important patient and health economic implications.
“周末”效应是一种存在争议的理论,该理论将医院在“非工作时间”的人员配备水平降低、人员资历以及支持性服务与患者预后恶化联系起来。在“非工作时间”将择期手术患者收入重症监护病房(ICU)是否能通过更高的人员配备比例和资历减轻这种影响尚不确定。
在西澳大利亚最大的私立医院进行的一项为期3年的回顾性巢式队列研究中,比较了所有因择期手术收入ICU的患者,根据其收入时间是“工作时间”(周一至周五08:00 - 18:00)还是“非工作时间”(其他所有时间)。主要结局指标是采用Dindo-Clavien分类法的手术并发症以及住院时间数据。
在总共4363例ICU收入病例中,3584例是择期手术后计划收入ICU的,其中2515例(70.2%)在工作时间,1069例(29.8%)在非工作时间进行择期ICU手术收入。择期手术后在非工作时间收入ICU与感染风险增加(P = 0.029)、输血风险增加(P = 0.020)、全胃肠外营养风险增加(P < 0.001)以及非计划再次手术风险增加(P = 0.027)相关。在非工作时间收入ICU还与住院时间延长相关,在调整急慢性疾病严重程度和医院间转院情况后(长1.74天,P < 0.0001)以及未调整时(长2.8天,P < 0.001)(转院率分别为12.3%和9.8%,P = 0.024)。两组的医院死亡率均较低且相似(分别为1.2%和0.7%,P = 0.111)。
择期手术后在非工作时间收入ICU很常见,且与严重的术后并发症相关,最终导致住院时间显著延长以及转院率更高,对患者和卫生经济学具有重要影响。