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Introduction: Pain is a complex subjective sensation that is difficult to quantify in a repeatable manner. Surgical pain is observed to be more intense post-surgery and then fades in the next 24 h. Epidural anesthesia/analgesia is the most widely used technique for lower limb surgeries because of its good sensory and motor block property, reduces stress response, and maintains sufficient spontaneous respiration and hemodynamic stability. Materials and Methods: The study looked at 100 individuals between the ages of 20 and 60 who underwent elective lower limb surgery and were classified as ASA I and II. The patients were split into two 50-person groups. The adverse effects of nausea, vomiting, respiratory depression, urine retention, and pruritus, as well as the quality and duration of postoperative analgesia, were investigated. The patient was monitored for 48 h after surgery. Results: A total of 100 patients were included in the study, where the least age of the patient was 19 years and the greatest age was 75 years. In group T, maximum patients belong to the age group of 26–35 years, whereas in group F maximum patients belong to the age group of 36–45years. In group T, 41 (82%) were males and 9 (18%) were females. In group F, 37 (74%) were males and 13 (26%) were females. Conclusion: Our findings show that epidural tramadol and epidural fentanyl are equally effective, except for fentanyl’s shorter duration of action. Fentanyl also has a moderate sedative effect, which is beneficial in the postoperative period.

Introduction: The ultrasound-guided Transversus Abdominis Plane (TAP) block is an analgesic technique which involves injection of a local anesthetic between the internal oblique abdominal and the transversus abdominis muscle planes. It provides analgesia to the cranial branches of T10-L1 nerve roots. It has been a practice to provide analgesia in patients following various surgical procedures including the gynecological procedures like hysterectomy and caesarean section. Aim: To assess the analgesic efficacy of dexamethasone and dexmedetomidine as an adjuvant to 2% lignocaine adrenaline and 0.5% bupivacaine in TAP block following caesarean delivery. Materials and Methods: This was a cross-sectional study conducted at Konaseema Institute of Medical Sciences and Research Foundation (KIMS&RF), Amalapuram, Andhra Pradesh, India for a period of one year from January 2021 to December 2021. One hundred patients with an American Society of Anaesthesiologists (ASA) physical scores of I-II, who underwent caesarean section under the Pfannenstiel incision method under subarachnoid anaesthesia with 0.5% heavy bupivacaine, were enrolled in the study. Group I consisted of patients that received an ultrasound-guided bilateral TAP block immediately following surgery with 10 mL of 0.5% bupivacaine, 10 mL of 2% lignocaine with adrenaline, and 20 mcg dexmedetomidine. Group II included patients who received ultrasound-guided bilateral TAP block immediately following surgery with 10 mL of 0.5% bupivacaine, 10 mL of 2% lignocaine adrenaline, and 8 mg dexamethasone. The Electrocardiogram (ECG) recordings and blood pressure were recorded during the block in each patient. This approach enabled a more precise analgesic approach for each individual patient. The patients were assessed for pain up to 12 hours of surgery based on a Visual Analog Scale (VAS), where 0 represented no pain and 10 represented 'the worst pain ever possible. Results: The patients who received ultrasound-guided TAP block with dexmedetomidine were significantly less on-demand of tramadol (p-value=0.005) and had significantly lower VAS scores at 3 hours (p-value=0,000014), 6 hours (p=0.015) and 12 hours (p-value=0.006), postoperatively. Conclusion: This study proved that dexmedetomidine was more effective when compared to dexamethasone, when added as an adjuvant to 2% lignocaine adrenaline and 0.5% bupivacaine. Ultrasound guided TAP block was a safe and effective postoperative analgesia in cesarean section. [ABSTRACT FROM AUTHOR]