• Onur Selvi, Serkan Tulgar, Ozgur Senturk, Talat Ercan Serifsoy, David Terence Thomas, Ugur Deveci, and Zeliha Ozer.
• Department of Anesthesiology and Reanimation, Maltepe University School of Medicine, Istanbul, Turkey.
• Eurasian J Med. 2020 Feb 1; 52 (1): 34-37.

ObjectiveThe serratus intercostal plane block (SIPB) is a recently defined interfascial plane block. The oblique subcostal transversus abdominis plane block (OSTAP) is another type of interfascial plane block, and it is also used as a part of multimodal analgesia in patients undergoing laparoscopic cholecystectomy (LC). In this retrospective study, we evaluated the effects of the bilateral OSTAP and a combination of the right SIPB and bilateral rectus sheath block (RSB) on the postoperative pain and analgesia requirement in patients undergoing LC.Materials And MethodsData of the patients who underwent LC between May 2018 and November 2018 were evaluated retrospectively. Postoperative pain was evaluated using the numeric rating scale (NRS), and 24-hour tramadol consumption and rescue analgesia requirements were compared.ResultsBilateral OSTAP was applied to 47 patients, and SIPB+RSB was applied to 25 patients. Postoperative pain scores were similar between the two groups. In the first 24 hours, tramadol requirement in the SIPB+RSB group was significantly lower than in the OSTAP block group (p<0.001). There was no statistically significant difference between the NRS averages at different time frames between the two block groups.ConclusionWe found that when SIPB is used as a part of multimodal analgesia in a combination with RSB in LS, it improves the quality of analgesia and decreases the analgesic requirement compared to patients undergoing a bilateral OSTAP block. Randomized controlled trials are necessary to compare the effects of SIPB alone and in a combination with other blocks in LC.©Copyright 2020 by the Atatürk University School of Medicine - Available online at www.eurasianjmed.com.

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