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SAGES 2026 Annual Meeting Emerging Technology Session
March 25-28, 2026 | Tampa, FL, USA
P026
Risk factors associated with postoperative acute kidney injury following transversus abdominus release
Poster Presenter
Authors
Grant S Shewmaker, Hailey Hunt, John B Eisenga, Gerald O Ogola, John M DiMaio, Steven G Leeds, Bola Aladegbami, Mazen Iskandar
Affiliations
Baylor University Medical Center, Texas A&M University College of Medicine, Baylor Scott & White The Heart Hospital - Plano, Baylor Scott & White Medical Center - Waxahachie
Part of Topic
Abdominal Wall Hernias
Predicting Acute Kidney Injury After Transversus Abdominis Release
Grant Shewmaker MD, Hailey Hunt MS, John Eisenga MD, Gerald Ogola PhD, Michael Dimaio MD, Bola Aladegbami MD, Mazen Iskandar MD
Baylor University Medical Center
Dallas, TX
INTRODUCTION
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Risk of AKI is higher in patients undergoing a componentseparation (TAR) during ventral hernia repair than patients whodo not get a component separation
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AKI after ventral hernia repair contributes to increased cost,length of stay, and mortality
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Independent predictors remain unclear
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Objective: Identify patient and surgical predictors of AKI inpatients undergoing a ventral hernia repair with TAR
METHODS
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Retrospective (2020–2024), two institutions
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N=98 adults who underwent TAR as part of their ventral herniarepair
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Exclusion criteria: Patients who had additional proceduresexcept for primary bowel repair, mesh excision, and lysis ofadhesions
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Primary: AKI (KDIGO definition)
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Secondary: LOS, 30-day readmission
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Multivariable logistic & linear regression
RESULTS
AKI
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Increased Preop Cr had an OR of 7.53 of AKI (p=0.003)
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Minimally invasive trended toward protective (p=0.07)
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Bilateral trended toward increased risk (p=0.12)
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Female sex trended toward increased risk (p=0.19)
LENGTH OF STAY
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Patients with AKI had longer LOS (5.0 vs 2.6 days, p <0.01)
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Higher BMI associated with longer LOS ( p=0.049)
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History of MI increased LOS by 1.5 days (p=0.050)
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Robotic approach had shorter LOS by 2.7 days (p<0.001)
READMISSION
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Minimally invasive protective OR 0.28 (p=0.043)
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AKI not associated with readmission
CONCLUSIONS
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AKI occurred in nearly 1 in 5 TAR patients
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Preoperative creatinine strongest predictor
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Consider renal optimization & monitoring of at-riskpatients
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Larger studies needed to reduce type II error
Increased preoperative creatinine is the strongestindependent predictor of AKI after TAR