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Abdominoplasty is a major surgical procedure in plastic surgery. It removes excess skin and fat, tightens abdominal muscles and fascia, restores normal abdominal anatomy and reshapes the distorted abdominal contour. According to the statistics released annually by International Society of Aesthetic Plastic Surgery (ISAPS) in 2020, there are more than 900, 000 abdominal wall plastic surgeries performed every year worldwide. However, the most commonly used analgesic methods, such as oral administration, intravenous analgesia and local infiltration anesthesia, do not provide the satisfactory analgesic results. We found that intra-sheath injection of ropivacaine of the rectus abdomen was effective in reducing postoperative pain. To retrospectively study the analgesic effect of continuous pumping ropivacaine into the intra-sheath space of rectus abdominis after abdominoplasty. A retrospective study was conducted on 67 patients with total abdominal wall plastic surgery admitted to Plastic Surgery Hospital of Chinese Academy of Medical Sciences from February 2020 to August 2021. The patients were from 25 to 56 years old, with a mean age of 38.5, ASA grade 1-2, BMI 27-33kg/m2, and rectus abdominis muscle separation range of 4-8cm. Based on the methods of postoperative analgesia, we divided patients into the following two groups: 29 patients in the conventional intravenous analgesic group (group A) and 38 patients in the rectus abdominis intrathecal analgesic group (group B). Group A received PCA with sufentanil 1.0μg/kg+ normal saline diluted to 100ml. Group B received continuous pumping of ropivacaine (0.2625%) through the rectus sheath internal tube in 100mL of normal saline and continued pumping at a rate of 2mL /h. Visual analog pain score (VAS score), analgesic pump pressure times and the degree of postoperative satisfaction were recorded at T1 (24h) and T2 (48h). The incidence of adverse drug reactions and complications related to nerve block within one week after operation were also recorded. The clinical data of patients with total abdominal wall plastic surgery in two groups were collected and analyzed. The patients in group B overall had lower postoperative VAS score, less analgesic pump usage, less nausea, vomiting, drowsiness and restlessness and a higher degree of postoperative satisfaction than those in group A. Continuous pumping of ropivacaine through rectus sheath can effectively relieve postoperative pain, reduce postoperative adverse reactions and improve postoperative satisfaction. This journal requires that authors assign a level of evidence to each article. For a full description of these Evidence-Based Medicine ratings, please refer to the Table of Contents or the online instructions to Authors . Body Contouring LOE IV. © 2022. Springer Science+Business Media, LLC, part of Springer Nature and International Society of Aesthetic Plastic Surgery.


Sainan Wu, Richard Lung, Ningjin Wu, Ji Jin. Analgesic Effect of Ropivacaine Pumped in the Sub Rectus Abdominis Muscle Sheath after Abdominoplasty. Aesthetic plastic surgery. 2022 Jun;46(3):1280-1286

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PMID: 35513503

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