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目的 :探讨食管癌、贲门癌患者围手术期下腔静脉内径变化规律及其与中心静脉压间的相关性。方法 :选择2013年10月至12月住院手术的61例食管癌、贲门癌患者,于手术前、术后当日、术后24 h、48 h行便携式床边超声检查,测量肝后下腔静脉平静呼气末最大径、吸气末最小径,计算呼吸变异指数,并记录患者的中心静脉压,进而分析下腔静脉内径、呼吸变异指数与中心静脉压间的相关性。结果:食管癌、贲门癌患者围术期下腔静脉呼气末最大径、吸气末最小径与中心静脉压呈正相关(r=0.64、0.71,P均<0.01),呼吸变异指数与中心静脉压间无相关性(P=0.38)。结论 :便携式床边超声测定下腔静脉内径变化能为食管癌、贲门癌围术期患者循环容量评估提供帮助。
Objective: To investigate the changes of perivascular diameter of inferior vena cava and its relationship with central venous pressure in patients with esophageal and cardiac cancer. Methods: Sixty-one patients with esophageal and cardiac cancer undergoing inpatient operations from October 2013 to December 2013 were enrolled in this study. They were examined by portable bedside ultrasound before operation, on the postoperative day, 24 h and 48 h after operation. The posterior inferior vena cava Calm end-expiratory maximum diameter, minimum end-inspiratory diameter, calculate respiratory variation index, and record the patient’s central venous pressure, and then analyze the correlation between IVC, respiratory variability index and central venous pressure. Results: The maximum end-expiratory diameter of the inferior vena cava in patients with esophageal cancer and cardia cancer and the minimum end-inspiratory diameter were positively correlated with the central venous pressure (r = 0.64, 0.71, P <0.01). The difference between the respiration index and the central venous No correlation between pressure (P = 0.38). Conclusion: The changes of IDV in portable bedside ultrasound can be helpful to evaluate the circulatory capacity of perioperative patients with esophageal cancer and cardia cancer.