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STUDYING THE EFFECTIVENESS OF POSTOPERATIVE PAIN AFTER COLORECTAL SURGERY INDUCED BY FREE OPIOID ANESTHESIA
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Abstract
Objective: To campare the analgesic afficacy after colorectal surgery induced by free opioid anesthia. Method: Randomized, controlled intervention study of 98 patients who were over 18 years old, ASA I-III classification with normal neuropsychological status, scheduled for colorectal resection surgery from December 2019 to November /2021 at Viet Tiep Friendship Hospital, Hai Phong. Patients were randomly divided into two groups: Opiod anesthesia (OA group) and free opioid anesthesia (FOA group). General characteristics, surgical and anesthetic characteristics, and post-operative pain after colorectal resection surgery were collected. Results: The time to require the first analgesic dose was longer in the FOA group than in the OA group (85.73 ± 16.88 minutes vs. 77.16 ± 14.60 minutes; p = 0.009). VAS scores at rest and cough at H0 and H0.25 time points were significantly lower in the FOA group than in the OA group (p < 0.05). Compared with the OA group, the FOA group had significantly lower numbers of pain rescues and total amount of fentanyl rescue (p < 0.05). Patients in the FOA group had a sooner flatus time than the OA group (p = 0.011). Conclusion: Free opioid anesthesia for colorectal surgery is more effective in postoperative pain and has a shorter time to flatus than opiod anesthesia.
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References
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