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. 2022 Feb 15;12(2):e053846.
doi: 10.1136/bmjopen-2021-053846.

Prospective study of preoperative autologous blood donation for patients with high risk of allogeneic blood transfusion in lumbar fusion surgery: a study protocol of a randomised controlled trial

Nanfang Xu #  1   2   3 , Youyu Zhang #  1 , Yun Tian  4 , Baohua Li  5 , Haiqin Qiao  5 , Xiaoqing Zhang  6 , Nan Yang  6 , Wei Li  7 , Chao Zhang  7 , Weishi Li  1 , Wei Fu  8
Affiliations

Prospective study of preoperative autologous blood donation for patients with high risk of allogeneic blood transfusion in lumbar fusion surgery: a study protocol of a randomised controlled trial

Nanfang Xu et al. BMJ Open. .

Abstract

Introduction: Preoperative autologous blood donation (PABD) can be used to reduce the exposure of allogeneic blood transfusion in patients undergoing elective surgery. Better blood management to avoid anaemia and reduce allogeneic blood transfusion after spine surgery become increasingly important with development of enhanced recovery after surgery. We present here the design of a randomised controlled trial with three groups to verify the clinical effectiveness of PABD in patients at high risk of transfusion for lumbar fusion surgery and explore the optimal timing of autologous blood donation.

Method and analysis: Patients (age 18-70 years) who will receive lumbar fusion surgery for degenerative disease with haemoglobin over 110 g/L and 'high risk' of allogeneic blood transfusion are eligible, unless they refuse participation or are diagnosed with malignant metastases, infection, cardiovascular and cerebrovascular diseases, haematological disorders or relevant drug history and critical illnesses. A total of 1200 patients will be recruited and randomised into three groups. Patients in group A will not receive PABD and be regarded as control group. PABD will be performed for patients in groups B and C. Blood donation will be finished at 1 week (±3 day) before surgery in group B and 2 weeks (±3 day) before surgery in group C. Primary outcome measures will include haemoglobin decline, incidence and amount of allogeneic blood transfusion. Secondary outcome measures will include days of hospitalisation after surgery, haematocrit level and incidence of complications. This study is a single-centre and open-label randomised controlled trial. The sample size is calculated with reference to the retrospective data and previous studies.

Ethics and dissemination: This trial has been approved by the Peking University Third Hospital Medical Science Research Ethic Committee (no: 2020-262-02). Results of the trial will be submitted for publication in a peer-reviewed journal and as conference presentations.

Trial registration number: ChiCTR2000039824, preresults.

Keywords: blood bank & transfusion medicine; spine; surgery.

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Conflict of interest statement

Competing interests: None declared.

Figures

Figure 1
Figure 1
Study design. EPO, erythropoietin; PABD, preoperative autologous blood donation.
See this image and copyright information in PMC

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