Assessment of Stroke Volume Variation Perioperatively by Using Arterial Pressure with Cardiac Output

doi:10.1016/S1001-9294(15)30019-5

Chinese Medical Sciences Journal ›› 2015, Vol. 30 ›› Issue (2): 95-99.doi: 10.1016/S1001-9294(15)30019-5

Assessment of Stroke Volume Variation Perioperatively by Using Arterial Pressure with Cardiac Output

Wen-jing Li, Yi-ping Hu*, Min-min Zhu

Department of Anesthesia, Wuxi No. 2 People's Hospital, Nanjing Medical University, Wuxi, Jiangsu 214000, China

收稿日期:2014-09-25 出版日期:2015-07-02 发布日期:2015-07-02
通讯作者: *Corresponding author Tel: 86-510-82727501, E-mail: yipinghu554@yahoo.com.cn

Assessment of Stroke Volume Variation Perioperatively by Using Arterial Pressure with Cardiac Output

Wen-jing Li, Yi-ping Hu*, Min-min Zhu

Department of Anesthesia, Wuxi No. 2 People's Hospital, Nanjing Medical University, Wuxi, Jiangsu 214000, China

Received:2014-09-25 Published:2015-07-02 Online:2015-07-02
Contact: *Corresponding author Tel: 86-510-82727501, E-mail: yipinghu554@yahoo.com.cn

摘要/Abstract

摘要： Objective To observe the sensitivity of stroke volume variation (SVV) for assessing volume change during induction period of general anesthesia.Methods Patients who underwent orthopaedic surgery under general anesthesia and mechanical ventilation were divided into two groups randomly. Patients in the group Ⅰwere subjected to progressive central hypovolemia and correction of hypovolemia sequentially; patients in the Group Ⅱ were exposed to hypervolemia alone. Each step was implemented after 5 minutes when the hemodynamics was stable. SVV and cardiac index (CI) were recorded, and Pearson’s product-moment correlation was used to analyze correlation between SVV and CI.Results Forty patients were included in this study, 20 cases in each group. For group Ⅰ patients, SVV was increased significantly along with blood volume reduction, and changes in CI were negatively correlated with changes in SVV (r=-0.605, P<0.01); SVV decreased significantly along with correction of blood volume; changes in CI were negatively correlated with changes in SVV (r=-0.651, P<0.01). For group Ⅱ patients, along with blood volume increase, SVV did not change significantly; changes in CI revealed no significant correlation with changes in SVV (r=0.067, P>0.05).Conclusion SVV is a useful indicator for hypovolemia, but not for hypervolemia.

关键词: hemodynamics, stroke volume variation, arterial pressure with cardiac output

Abstract: Objective To observe the sensitivity of stroke volume variation (SVV) for assessing volume change during induction period of general anesthesia.Methods Patients who underwent orthopaedic surgery under general anesthesia and mechanical ventilation were divided into two groups randomly. Patients in the group Ⅰwere subjected to progressive central hypovolemia and correction of hypovolemia sequentially; patients in the Group Ⅱ were exposed to hypervolemia alone. Each step was implemented after 5 minutes when the hemodynamics was stable. SVV and cardiac index (CI) were recorded, and Pearson’s product-moment correlation was used to analyze correlation between SVV and CI.Results Forty patients were included in this study, 20 cases in each group. For group Ⅰ patients, SVV was increased significantly along with blood volume reduction, and changes in CI were negatively correlated with changes in SVV (r=-0.605, P<0.01); SVV decreased significantly along with correction of blood volume; changes in CI were negatively correlated with changes in SVV (r=-0.651, P<0.01). For group Ⅱ patients, along with blood volume increase, SVV did not change significantly; changes in CI revealed no significant correlation with changes in SVV (r=0.067, P>0.05).Conclusion SVV is a useful indicator for hypovolemia, but not for hypervolemia.

Key words: hemodynamics, stroke volume variation, arterial pressure with cardiac output

Wen-jing Li, Yi-ping Hu*, Min-min Zhu. Assessment of Stroke Volume Variation Perioperatively by Using Arterial Pressure with Cardiac Output[J].Chinese Medical Sciences Journal, 2015, 30(2): 95-99.

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