Ultrasonographic assessment of brachial artery reactivity as a predictor of adverse outcome in patients undergoing emergency laparotomy for perforated peritonitis – Prospective observational study

Autor: Rajathadri Hosur Ravikumar, Souvik Maitra, Mrudula Prasanna, Rahul K Anand, Virinder K Bansal, Dalim K Baidya
Jazyk: angličtina
Rok vydání: 2023
Předmět:
Zdroj: Indian Journal of Anaesthesia, Vol 67, Iss 10, Pp 905-912 (2023)
Druh dokumentu: article
ISSN: 0019-5049
0976-2817
85128449
DOI: 10.4103/ija.ija_625_23
Popis: Background and Aims: This study aimed to assess if pre- and postoperative parameters of brachial artery reactivity (BAR), like flow-mediated dilation (FMD) and hyperaemic velocity (HV), could predict in-hospital mortality in perforation peritonitis patients undergoing emergency laparotomy. Methods: In this prospective observational study, adult patients with perforation peritonitis undergoing emergency laparotomy were recruited. FMD and HV were measured preoperatively, postoperatively and at 24 and 48 h post-surgery. Adult patients undergoing elective laparotomy served as the control group. The primary outcome was in-hospital mortality. Baseline and BAR parameters were compared between survivors and non-survivors. Risk factors for mortality were identified by univariate analysis. Prognostic performances of BAR parameters were assessed by different models using logistic regression. All statistical analyses were performed on STATA version 13 for Mac OS. Results: Seventy-six emergency laparotomy patients were recruited, and 26 died during the hospital stay. FMD and HV were comparable at all time points between survivors and non-survivors, except that HV was higher in survivors at 48 h post-surgery (median [interquartile range] 1.28 [1.16–1.49] vs. 1.16 [0.86–1.35], P = 0.010]. HV at 48 h predicted mortality (adjusted odds ratio [OR] [95% confidence interval] 21.05 [1.04–422.43], P = 0.046), and a model consisting of age, Acute Physiology and Chronic Health Evaluation (APACHE) score and HV at 48 h was the best predictor of mortality (area under the receiver operating characteristic (AUROC) curve 0.82). Conclusion: HV, as measured by ultrasonography of the brachial artery at 48 h postoperatively, is a good predictor of mortality in patients undergoing emergency laparotomy for perforation peritonitis.
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