Effects of pre-injection of pressors on pressor response and bispectral index of patients receiving lower abdominal surgery under total intravenous anesthesia
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Title |
Effects of pre-injection of pressors on pressor response and bispectral index of patients receiving lower abdominal surgery under total intravenous anesthesia
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Creator |
Zhu, Zhong Quan
Zhao, Dong Lan, Zhi Jian Wang, Li Ping Chai, Hua |
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Subject |
Ephedrine
Phenylephrine |
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Description |
543-548
Surgery in the lower abdomen can cause many adverse reactions in nervous system, metabolic and endocrine systems. Conventional intravenous anesthesia applied for lower abdominal surgery can cause the drop in blood pressure leading to hypoperfusion of vital organs. Hence, an ideal anesthesia state is required to make patients unconscious, unaware and have no postoperative memory during anesthesia. In this study, we investigated the effects of pre-injection of different pressors on the pressor response and bispectral index (BIS) of patients receiving lower abdominal surgery under total intravenous anesthesia. For this, 300 patients undergoing lower abdominal surgery under total intravenous anesthesia in the Jinhua Hospital, Zhejiang, were divided into normal saline (Gr. A), ephedrine (Gr. B) and phenylephrine groups (Gr. C) (n=100). Hemodynamics indices were recorded before anesthesia induction (T0) and 1, 3, 5, 7 and 9 min after drug injection (T1-T5, respectively). We observed the following reactions and recorded. BIS values at T0-T5 as well as the time points when the values rose to 65, 75, 85 and 95 and those for respiratory recovery, consciousness recovery and extubation after stopping target-controlled infusion were recorded. Compared with Gr. A, Gr. B had significantly higher systolic blood pressure (SBP), diastolic blood pressure (DBP), mean arterial pressure (MAP), heart rate (HR) and cardiac output (CO) at T1-T5 (P |
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Date |
2022-07-11T06:36:38Z
2022-07-11T06:36:38Z 2022-07 |
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Type |
Article
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Identifier |
0975-1009 (Online); 0019-5189 (Print)
http://nopr.niscpr.res.in/handle/123456789/60079 |
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Language |
en
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Publisher |
NIScPR-CSIR, India
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Source |
IJEB Vol.60(07) [July 2022]
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