Comparison of blood loss of twodifferent laminectomydecompression in treatment of patients with lumbardegenerativediscdisease
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摘要: 目的 比较保留椎板的精准减压方法和传统标准椎板切除治疗腰椎退行性疾病的失血量。 方法 回顾分析2011年1月-2012年1月解放军总医院收治的79例腰椎退行性疾病患者的相关资料，采用保留椎板的精准减压(A组)治疗33例，采用传统标准椎板切除减压(B组)治疗46例。收集患者一般信息、术中出血量、术后引流量、术后输血量，计算并分析可见失血量、隐性失血量、总失血量。 结果 A组可见失血量、隐性失血量、总失血量分别为(706±294) ml，(441±229) ml、(1 147±421) ml；B组可见失血量、隐性失血量、总失血量分别为(762±394) ml、(565±204) ml、(1 327±452) ml。两组隐性失血量差异有统计学意义(P< 0.05)。两组可见失血量、总失血量差异无统计学意义(P> 0.05)。 结论 治疗腰椎退行性疾病时保留椎板精准减压法较传统标准椎板切除术隐性失血量少。Abstract: Objective To investigate the blood loss of precisedecompression and traditional standard laminectomydecompression in treatment of patients with lumbar spinal stenosis. Methods A retrospective study was carried out in 79 patients with lumbar spinal stenosis who were treated with precisedecompression or standard laminectomydecompression at Chinese PLA General Hospital from January 2011 to January 2012. Patients weredivided into two groups according to the surgery methods. Patients in group A (n=33) underwent precisedecompression and patients in group B (n=46) underwent standard laminectomydecompression. The general information, intraoperative, and postoperative blood loss (drainage), and blood infusion were recorded, and then, the visible blood loss (VBL), hidden blood loss (HBL) and total blood loss (TBL) were calculated. Results The mean visible blood loss, mean hidden blood loss and mean total blood loss in group A was (706±294) ml, (441±229) ml, (1 147±421) ml, and it was (762±394) ml, (565±204) ml, (1 327±452) ml in group B. There was significantdifference in hidden blood loss between group A and group B (P< 0.05). While, there was no statisticaldifference in total blood loss and visible blood loss between two groups (P> 0.05). Conclusion Precisedecompression leads to less hidden blood loss than that of standard laminectomydecompression.
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