Application of light specific gravity spinal anesthesia in geriatric orthopedics operation
XIE Ai-rong1 ZHANG Ming-sheng2 LI Ya-lan1 CHENG Xing-hua1 WANG Qiong-qiong1
1.Department of Anesthesiology, the First People′s Hospital of Ji′an City, Jiangxi Province, Ji′an 343000, China;
2.Department of Anesthesiology, Jiangxi Provincial People′s Hospital, Nanchang 330006, China
Abstract： Objective To discuss the application of light specific gravity spinal anesthesia in geriatric orthopedics operation.Methods Sixty cases of patients with lower limb orthopaedic surgery treated in the First People′s Hospital of Ji′an City from January to October 2018 were selected as the research objects and they were randomly divided into observation group and control group, with 30 cases in each group.The observation group was anesthetized with light specific gravity Ropivacaine, and the control group was anesthetized with heavy specific gravity Ropivacaine.The sensory block onset time, plane fixation time, sensory block duration, motor block onset time, maximum motor block time, and maximum Bromage score, heart rate (HR), systolic blood pressure (SBP), diastolic blood pressure (DBP) before anesthesia, 10, 30 min after anesthesia, and after operation and anesthetic effect were compared between the two groups.Results The sensory block onset time, plane fixation time, motor block onset time, and maximum motor block time in the observation group were significantly longer than those in the control group, and the differences were statistically significant (P＜0.05).The maximum Bromage score of the observation group was significantly lower than that of the control group, and the difference was statistically significant (P＜0.05).There was no significant difference in the duration of sensory block between the two groups (P＜0.05).There were no significant differences in HR and blood pressure between the two groups before anesthesia (P＞0.05).There were no significant differences in HR, SBP and DBP in the observation group between 10, 30 min after anesthesia, after operation and before anesthesia (P＞0.05).There were no significant differences in HR, SBP and DBP in the control group between before anesthesia and after operation (P＞0.05).The HR, SBP and DBP of the control group at 10 and 30 min after anesthesia were significantly lower than those before anesthesia, and the differences were statistically significant (P＜0.05).The HR, SBP and DBP of the observation group were significantly higher than those of the control group at 10 and 30 min after anesthesia, and the differences were statistically significant (P＜0.05).There was no significant difference in the excellent rate of anesthesia between the two groups (P＞0.05).Conclusion Light specific gravity lumbar anesthesia is used in geriatric orthopaedic surgery,although the onset time of anesthesia is later than that of heavy specific gravity lumbar anesthesia, but the two groups have similar anesthetic effect.Moreover, light specific gravity has little effect on blood pressure and HR in geriatric patients, and the safety is higher.
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