EFFICACY OF ULTRASOUND-GUIDED OBLIQUE SUBCOSTAL TRANSVERSUS ABDOMINIS PLANE BLOCK (OSTAP BLOCK) WITH ROPIVACAINE FOR POSTOPERATIVE ANALGESIA IN LAPAROSCOPIC CHOLECYSTECTOMY – A PROSPECTIVE OBSERVATIONAL STUDY.
Main Article Content
Keywords
Laparoscopic cholecystectomy, Postoperative pain, VAS, OSTAP block, General anesthesia
Abstract
Background: A significant proportion of patients who undergo surgical procedures experience acute post operative pain, making effective postoperative pain control an essential component of the job of perioperative anesthesiologist.
Aim: To assess the effectiveness of ultrasound-guided OSTAP block using ropivacaine for postoperative analgesia within first 24 hours, using VAS scoring, in patients undergoing laparoscopic cholecystectomy.
Methods: A total of eighty patients of ASA physical status I-II of both sexes, aged between 18 to 70 years, scheduled for laparoscopic cholecystectomy were observed in this study for evaluating the efficacy of post operative analgesia after ultrasound-guided OSTAP using 20 ml of 0.2 % ropivacaine injection bilaterally.
Results: Visual analogue scale at different time intervals were statistically significantly lower at all times in Group A (Block group) than Group B (conventional analgesia group) with p-value <0.05. The overall VAS in 24 h was also significantly lower in Group A (2.4 ± 1.3) than Group B (4.8± 3.4) with a p-value of <0.05. Mean duration of first request for analgesia was 7.25±1.20 hours in group A, and 3- 4.05±80 hours in group B. The statistical difference was significant among the study groups (p value0.003).With regard to the post operative adverse effects observed among the two study groups, when compared statistically, the results were found not significant with a p value of >0.05.
Conclusion: As a promising novel post-operative pain treatment procedure, OSTAP block is cost effective and one of the safest, easiest and the most effective supplemental techniques as part of analgesic regimen. It improves pain scores in laparoscopic cholecystectomy involving the anterior abdominal wall.
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Dr. Faheem Ahmad Patloo
Consultant Anaesthesia, Department of Anaesthesiology, Government Sub District Hospital, Magam, Budgam, J&K, India
Dr. Mustafa Kamal
Specialist Anaesthetist, Department of Anaesthesiology, Sheikh Khalifa Medical City - Ajman, UAE
Dr. Ambreen Qureshi
Casualty Medical Officer, Government Chest Diseases Hospital, Srinagar, J&K, India
Dr. Mehnaz Habib
Medical Officer Anaesthesia, Government Sub District Hospital, Magam, Budgam, J&K, India
Dr. Shaiqa Manzoor
Assistant Professor Anaesthesia, Department of Anaesthesiology, Government Medical College,Handwara, J&K, India