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Safety and efficacy of low-dose selective spinal anesthesia with bupivacaine and fentanyl as compared to intravenous sedation and port-site infiltration for outpatient laparoscopic tubal ligation: A randomized controlled trial
Priyasmita Sarkar, Yudhyavir Singh, Nishant Patel, Shailendra Kumar, Puneet Khanna, Lokesh Kashyap, Rajeshwari Subramaniam
Department of Anesthesiology, Pain medicine and Critical Care, All India Institute of Medical Sciences, New Delhi, India
Correspondence Address:
Shailendra Kumar,
Department of Anesthesiology, Pain Medicine and Critical Care, Room Number 5011, Teaching Block, Anesthesia Office, Ansari Nagar East, All India Institute of Medical Sciences, New Delhi - 110 029
India
 Source of Support: None, Conflict of Interest: None DOI: 10.4103/aer.aer_121_21
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Background: Selective spinal anesthesia has been safely applied for short-duration outpatient gynecological laparoscopic procedure. However, this anesthesia technique is often inadequate and not tolerated by awake patients due to pneumoperitoneum and visceral manipulation. Aims: We aimed to conduct a study to compare spinal anesthesia with bupivacaine, fentanyl, and i.v. sedation with i.v. sedation and laparoscopic port-site infiltration with local anaesthetic in outpatient laparoscopic tubal ligation procedures. Settings and Design: 100 female patients posted for elective surgeries were recruited for a prospective single blind randomised control trial in a tertiary care center in two groups. Materials and Methods: In Group S, patients receive intrathecal 3 mg hyperbaric bupivacaine 0.5% plus 20 microgram fentanyl along with intravenous (i.v.) fentanyl at 1μg.kg-1.h-1 and in Group C i.v. fentanyl at 1μg.kg-1.h-1 along with laparoscopic port site infiltration with 0.5% bupivacaine. Postoperatively, overall patient satisfaction, visual analog score (VAS) score, duration of motor blockade, sensory blockade, and time to attain discharge criteria and any adverse. Statistical Analysis: Continuous variables between the groups were compared by the independent t-test and Wilcoxon rank sum. Chi-square and Fisher exact test used for the categorical value. Results: Overall VAS was significantly lower and patient satisfaction was higher in Group S than Group C. Time to oral intake was significantly prolonged in Group C 126.33 (±29.54) compared to group S 110.81 (±29.54). The requirement of total rescue analgesia (fentanyl) was significantly higher in Group C 2.0 (±0.6) μg.kg-1 compared to group S 0.79 (±0.53) μg.kg-1. Incidence of postoperative nausea vomiting (PONV) was significantly greater in Group C while incidence of pruritus was significantly greater in Group S. Conclusion: Low-dose intrathecal anesthesia with 3 mg bupivacaine and 20 μg fentanyl provided better analgesia, patient satisfaction and with less opioids consumption. |
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