ArticleIndian journal of anaesthesia2026
Comparison of analgesic efficacy of erector spinae plane block with rhomboid intercostal subserratus plane block in patients undergoing modified radical mastectomy: A randomised control trial.
Article in Indian journal of anaesthesia, 2026. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Not yet cited in PubMed.
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Abstract
Background and Aims: One of the most popular procedures for breast cancer is modified radical mastectomy (MRM), which is associated with severe postoperative pain. The rhomboid intercostal subserratus (RISS) plane block, a recently developed procedure, is used to treat postoperative pain after MRM. The aim of this study was to compare the analgesic effectiveness of RISS block with erector spinae plane (ESP) block in terms of 24-hour opioid consumption in patients following MRM. Methods: In this randomised control study, we enroled 40 American Society of Anesthesiologists (ASA) physical status I-II patients aged 18-65 years who were posted for MRM surgery. The patients were allocated into two groups: Group I: ESP block with 20 ml of 0.25% bupivacaine; Group II: RISS block with 40 ml of 0.25% bupivacaine. Total postoperative fentanyl consumption over 24 hours was the primary outcome. Intraoperative fentanyl requirement, first rescue analgesic administration time, numerical rating scale (NRS) score at 24 hours postoperatively at different time intervals, and patient satisfaction score were the secondary outcomes. Results: The fentanyl requirement in the 24 hours postoperatively for the ESP group was 79.50 ± 35.46 μg, compared to 80.50 ± 39.79 μg for the RISS group. No significant difference was found between the groups ( Conclusion: The RISS block can be used as an alternative to the ESP block in patients scheduled for a MRM.
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