
FOLLOWUS
Department of Anesthesia, Wuxi No. 2 People's Hospital, Nanjing Medical University, Wuxi, Jiangsu 214000, China
*Corresponding author Tel: 86-510-82727501, E-mail: yipinghu554@yahoo.com.cn
收稿日期:2014-09-25,
网络出版日期:2015-04-20,
纸质出版日期:2015-04
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Assessment of Stroke Volume Variation Perioperatively by Using Arterial Pressure with Cardiac Output[J]. 中国医学科学杂志(英文版), 2015,30(2):95-99.
Li Wen-jing, Hu Yi-ping, Zhu Min-min. Assessment of Stroke Volume Variation Perioperatively by Using Arterial Pressure with Cardiac Output[J]. Chinese medical sciences journal, 2015, 30(2): 95-99.
Assessment of Stroke Volume Variation Perioperatively by Using Arterial Pressure with Cardiac Output[J]. 中国医学科学杂志(英文版), 2015,30(2):95-99. DOI:
Li Wen-jing, Hu Yi-ping, Zhu Min-min. Assessment of Stroke Volume Variation Perioperatively by Using Arterial Pressure with Cardiac Output[J]. Chinese medical sciences journal, 2015, 30(2): 95-99. DOI:
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.
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