Wajeeha I. Andrabi, M Asadullah Khawaja, K Fatima, S I. Hussain Andrabi, A Shafique, S. Rabbani, Saqib Zahur, H A. Butt, A. M. Ch
Pakistan Journal of Medical & Health Sciences




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The Impact of Preemptive Perianal Anaesthetic Block in Open Haemorrhoidectomy – a randomised controlled trial

Wajeeha I. Andrabi, M Asadullah Khawaja, K Fatima, S I. Hussain Andrabi, A Shafique, S. Rabbani, Saqib Zahur, H A. Butt, A. M. Ch



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ABSTRACT

Background: the study was conducted to analyze the efficacy of 0.75% ropicaine at perianal block for open haemrrhoidectomy with regards to pain intensity, first demand of analgesia and hospital stay.

Method: 50 patients were selected for open haemrrhoidectomy under GA which were divided into two groups.it was a randomized control trial in which sealed envelope method was used for the group delegation in which Group A was designated to the patients having the perianal block with 0.75% ropivacaine while the group B was the placebo group having normal saline injected in the perianal region. The variables compared were the first demand of analgesia, pain intensity and the duration of the hospital stay. In order to make the site of injection more authentic the injections were sited under ultrasound guidance.

Results: The pain intensity which was analyzed with the visual analogue score (VAS) had a median of 3.8 (high=6, low=3) in group A while 5.5 (high=8, low=4) in the Group B with the p value of < 0.05. The mean time recorded for the first demand of analgesia was 6.20 ± 1.20 hours in the Group A which had improved from 1.20 ± 1.0 hours in the Placebo Group while the p value was < 0.001, while the mean time of hospital stay got reduced from 22.5±3.30 hours to 12.4 ± 3.10 hours with the significant p value of < 0.002.

Conclusion: It was observed that with preemptive analgesia with 0.75% ropivacaine administered led to a substantial reduction in pain perception, request for an analgesic and hospital stay. Therefore it is appropriate to administer it before open hemorrhoidectomy.

Keywords: preemptive anaesthesia, local anesthesia, postoperative pain, ropivacaine, open hemorrhoidectomy



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