Goh En Lin, Chidambaram Swathikan, Rai Suprabha, Kannan Angela, Anand Sambandam
Oxford Trauma, Nuffield Department of Orthopaedics, Rheumatology and Musculoskeletal Sciences, Kadoorie Centre, University of Oxford, Oxford, UK.
Oxford University Clinical Academic Graduate School, Medical Sciences Division, University of Oxford, Oxford, UK.
Geriatr Orthop Surg Rehabil. 2022 Mar 26;13:21514593221088405. doi: 10.1177/21514593221088405. eCollection 2022.
BACKGROUND: In patients with hip fracture on direct oral anti-coagulants (DOACs), timely surgery is important in optimising outcomes but the safety of early surgery is unclear. This study aims to evaluate the timing of surgery on peri- and post-operative outcomes in patients with hip fracture on DOAC therapy. METHODS: Single-centre, retrospective, population-based cohort study of patients on DOAC therapy compared to standard care with low-molecular-weight heparin (LMWH) undergoing surgery for hip fracture. Data obtained: patient demographics, fracture classification, American Society of Anaesthesiologists (ASA) classification, time to surgery, procedure performed, type of DOAC, timing of last DOAC dose, use of reversal agents or pro-coagulants and length of stay. Outcomes assessed: pre- and post-operative haemoglobin levels, incidence of blood transfusion, major haemorrhage, venous thromboembolism (VTE) and death within 30 days of surgery. RESULTS: A total of 755 patients were included. Compared to standard treatment, DOAC use was associated with a similar change in pre- and post-operative haemoglobin levels ( = .90), risk of blood transfusion (RR: 1.04, 95% CI: .70-1.54, P = .84), haemorrhage (RR: 1.51, 95% CI: .53-4.28, P = .44), VTE (RR: .92, 95% CI: .12-7.20, = .94) and mortality (RR: 1.85, 95% CI: .89-3.84, = .10), all of which were independent of the timing of surgery. CONCLUSION: This study builds on growing evidence that surgery for hip fracture in patients on DOAC therapy is not associated with an excessive risk of haemorrhage, irrespective of the timing of surgery. Timely surgical fixation of the hip fracture in this population is indicated in the absence of other risk factors for haemorrhage.
背景:对于接受直接口服抗凝剂(DOACs)治疗的髋部骨折患者,及时手术对于优化治疗效果很重要,但早期手术的安全性尚不清楚。本研究旨在评估手术时机对接受DOAC治疗的髋部骨折患者围手术期和术后结局的影响。 方法:基于人群的单中心回顾性队列研究,将接受DOAC治疗的患者与接受低分子量肝素(LMWH)标准治疗并接受髋部骨折手术的患者进行比较。获取的数据包括:患者人口统计学资料、骨折分类、美国麻醉医师协会(ASA)分类、手术时间、手术操作、DOAC类型、最后一剂DOAC的给药时间、逆转剂或促凝剂的使用情况以及住院时间。评估的结局包括:手术前后的血红蛋白水平、输血发生率、大出血、静脉血栓栓塞(VTE)以及术后30天内的死亡情况。 结果:共纳入755例患者。与标准治疗相比,使用DOAC与手术前后血红蛋白水平的变化相似(P = 0.90)、输血风险(RR:1.04,95%CI:0.70 - 1.54,P = 0.84)、出血风险(RR:1.51,95%CI:0.53 - 4.28,P = 0.44)、VTE风险(RR:0.92,95%CI:0.12 - 7.20,P = 0.94)和死亡率(RR:1.85,95%CI:0.89 - 3.84,P = 0.10),所有这些均与手术时机无关。 结论:本研究进一步证明,接受DOAC治疗的髋部骨折患者进行手术,无论手术时机如何,均不会增加出血风险。在没有其他出血危险因素的情况下,建议对该人群的髋部骨折进行及时手术固定。
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