• Yuanyuan Wang, Mingying Li, Zhenyuan Wang, and Wei Liu.
• Department of Anesthesiology, Beijing Chao-Yang Hospital, Capital Medical University, Beijing, P.R. China.
• Pain Physician. 2024 Feb 1; 27 (2): E239E244E239-E244.

BackgroundIn recent years, the rectus sheath block (RSB) has become increasingly prevalent in laparoscopic surgery. However, there is currently no definitive research on its use in the open repair of umbilical hernias with cirrhotic ascites.ObjectiveIn this study, we assessed the safety and clinical efficacy of ultrasound-guided (US-guided) bilateral RSBs in open umbilical hernia repair for patients diagnosed with cirrhotic ascites.Study DesignSeventy-two patients diagnosed with umbilical hernias that presented with cirrhotic ascites and who were admitted to our hospital were randomly divided into 2 groups. These categories were labeled the RSB group (Group R) and the local infiltration group (Group L); we used US-guided RSBs in Group R and local infiltration in Group L.SettingThe clinical outcomes of the patients in each group were compared to one another. Heart rate (HR), systolic blood pressure (SBP), and diastolic blood pressure (DBP) were recorded at various time points in both groups.MethodsMeasurements of the patients' outcomes were taken before anesthesia (T0), at the beginning of surgery (T1), at the time of the separation of the hernia sac (T2), at the end of surgery (T3), 6 hours postoperatively (T4), and 24 hours postoperatively (T5). On the Visual Analog Scale (VAS), pain scores at rest (T1-T3) and during activity (T4-T5) were recorded, as were the incidence of perioperative remedial analgesia and adverse effects.ResultsCompared to T0, both groups' HR was significantly higher at T1-T3 (P < 0.05). The SBP and DBP were also significantly higher (P < 0.05). At T1-T3, the HR of Group R was significantly slower than that of Group L (P < 0.05), and at T4-T5, the VAS score for activity in Group R was significantly lower than that of Group L (P < 0.05). Group R had a significantly lower incidence of intraoperative remedial analgesia and postoperative nausea and vomiting than did Group L (P < 0.05). Neither group required postoperative remedial analgesia, and no patient experienced adverse reactions during the perioperative period.LimitationsThis study has limitations in its sample size, lack of blood ammonia levels, and absence of data on patient satisfaction, necessitating future studies to address these issues.ConclusionUS-guided RSBs are an efficient method of anesthesia for open umbilical hernia repair in patients diagnosed with cirrhosis. This technique not only provides precise anesthesia and appropriate analgesia but also results in a low incidence of postoperative nausea and vomiting.

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