Postoperative Analgesic Efficacy of Ear Acupuncture in Patients Undergoing Abdominal Hysterectomy

A Randomized Controlled Trial

Hamdy A. Hendawy; Mohamed E. Abuelnaga

Disclosures

BMC Anesthesiol. 2020;20(279) 

In This Article

Results

Fifty-six patients were randomly assigned for two equal groups EEA group and the control group (Figure 2)

Figure 2.

Flow chart of patient's participation progress throughout the study

The two groups were comparable in age, BMI, ASA status, history of chronic illness, duration of surgery, and level of the block at end of surgery. The duration of surgery was about 80 min in both groups. (Table 1) no statistically significant difference was found between the 2 groups as regard intraoperative hemodynamics.

The time to the 1st request of analgesia was much delayed in the EEA group versus the control group (mean ± SD: 268.893 ± 31.6044 vs 52.036 ± 9.5316 min) in both groups respectively with statistically significant difference (d = 9.2905, 95% CI = 7.4919, 11.089, p-value =0.000). Total post-operative 24 hours morphine consumption was markedly reduced in favor of the EEA group (6.214± 2.1319 mg) versus (15.714 ± 3.3428 mg) in the control group with statistically significant difference (d = − 3.3886, 95% CI = -4.2061,-2.5712,p-value =0.000). postoperative VAS score after 24 hours was lower in the favor of the EEA group in comparison to the control group (mean ± SD: 2.536 ± 1.1380VS 5.036 ± 1.3467) in both groups respectively with statistically significant difference (d = − 2.0053, 95%CI = -2.6474, − 1.3631, p-value =0.000). (Table 2).

There was a statistically significant difference(p-value < 0.05) between the two groups regarding the incidence of nausea at 1 h, 3 h, 6 h, and 12 h in the favor of the EEA group. (Table 3).

Vomiting occurred in 4 patients of the control group at 6 h time point while it was not noted to occur in the EAA group with a significant difference between both groups (p-value =0.038). (Table 3). Over-sedation was not noted in both groups of the study. No complications were recorded from auricular acupuncture.

Statistically, a significant difference was noted regarding postoperative systolic blood pressure changes between the two studied groups after 6 h and 12 h of surgery in favor of the EEA group. There was also a significant difference regarding the post-operative diastolic BP changes between the two groups after 3 h, 6 h, 12 h, and 24 hours after surgery in the favor of the EEA group. No statistically significant difference was noted as regards the postoperative HR between both groups at all time points. (Figure 3).

Figure 3.

Postoperative hemodynamics in the study groups

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