首页> 中文期刊>麻醉与镇痛 >微创髋关节成形术后关节囊外持续输注0.3%罗哌卡因与安慰剂对患者吗啡自控镇痛的前瞻随机双盲对照研究

微创髋关节成形术后关节囊外持续输注0.3%罗哌卡因与安慰剂对患者吗啡自控镇痛的前瞻随机双盲对照研究

     

摘要

背景 本研究中,我们探讨了微创髋关节成形术后创口持续输注0.3%罗哌卡因对疼痛和吗啡用量的影响.方法 在这项双盲研究中,前瞻性纳入连续67例在蛛网膜下隙麻醉下择期行微创髋关节成形术的患者.外科医师将15cm长的有孔导管放入关节囊外.患者随机分为两组:在关闭切口前,创口内单次注入20ml的0.3%罗哌卡因(R-组)或0.9%生理盐水(P-组).随后用弹性泵以8ml/h的速度分别持续泵入0.3%的罗哌卡因或者安慰剂至术后48小时.所有患者均给予静脉吗啡自控镇痛.记录48小时内患者吗啡用量、静息和运动时疼痛以及血浆罗哌卡因总浓度和游离浓度.术后随访3个月.结果 两组一般资料和手术数据相似.术后第一个48小时期间,R-组平均吗啡用量显著低于P组:45.4±9.5 vs 69.7±9.6(P <0.001).R-组吗啡用量在术后第一个24小时期间平均减少14.4mg[95%可信区间(confidence interval,CI)12.6~16.1],在术后第二个24小时期间平均减少20.8mg(95% CI为19.1 ~22.4).R组患者静息和运动时疼痛评分均较低(P <0.0001).R-组患者平均满意度较基线增加了22.7%(95% CI为15.9~16.1).R-组血浆罗哌卡因总浓度和游离浓度均低于中毒浓度.R-组在第24小时和第48小时时血浆罗哌卡因游离浓度分别是0.14μmol/ml和0.11 μmol/ml.在术后3个月时,两组臀部疼痛和镇痛药用量相似,但是R-组患者创口接触(31.2; 95% CI27.7~34.7)不适感和压迫不适感(24; 95% CI为20.1 ~27.9)明显减轻(P <0.0001).结论 微创髋关节置换术后关节囊外创口持续输注0.3%罗哌卡因是一种减少吗啡用量,改善术后镇痛质量的有效方法,术后3个月时该方法依然具有一定优势.

著录项

  • 来源
    《麻醉与镇痛》|2013年第5期|54-59|共6页
  • 作者单位

    Division of Anesthesiology,Balgrist University Hospital Zurich, Zurich, Switzerland.Gina Votta-Velis is currently affiliated with the Department of Anesthesiology, University of Illinois at Chicago;

    Division of Anesthesiology,Balgrist University Hospital Zurich, Zurich, Switzerland.Gina Votta-Velis is currently affiliated with the Department of Anesthesiology, University of Illinois at Chicago;

    Department of Orthopedic Surgery,Balgrist University Hospital Zurich, Zurich, Switzerland.Gina Votta-Velis is currently affiliated with the Department of Anesthesiology, University of Illinois at Chicago;

    Division of Anesthesiology,Balgrist University Hospital Zurich, Zurich, Switzerland.Gina Votta-Velis is currently affiliated with the Department of Anesthesiology, University of Illinois at Chicago;

    Division of Anesthesiology,Balgrist University Hospital Zurich, Zurich, Switzerland.Gina Votta-Velis is currently affiliated with the Department of Anesthesiology, University of Illinois at Chicago;

    Division of Anesthesiology,Balgrist University Hospital Zurich, Zurich, Switzerland.Gina Votta-Velis is currently affiliated with the Department of Anesthesiology, University of Illinois at Chicago;

    Division of Anesthesiology,Balgrist University Hospital Zurich, Zurich, Switzerland.Gina Votta-Velis is currently affiliated with the Department of Anesthesiology, University of Illinois at Chicago;

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