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Surgical approach, cost, and complications of appendectomy in kidney transplant recipients.

ABSTRACT: Kidney transplant recipients (KTRs) have greater morbidity and length of stay (LOS) following certain surgical procedures than non-KTR. Given that appendectomy is one of the most common surgical procedures, we investigated differences in outcomes between 1336 KTR and 2 640 247 non-KTR postappendectomy at transplant and nontransplant centers in the United States from 2000 to 2011, using NIS data and adjusting for patient-level and hospital-level factors. Postoperative complications were identified using ICD-9 codes. Among KTR, there were no post-appendectomy in-hospital deaths, compared to a 0.2% in non-KTR (P = .5). Overall complications were similar among KTR and non-KTR (17.0% vs 11.6%; aOR:0.77 1.121.61 ). LOS and costs were greater for KTR compared to non-KTR (LOS ratio 1.19 1.311.45 ; cost ratio 1.11 1.171.26 ). Only 44.8% of KTR had laparoscopic approach compared to 54.5% of non-KTR, but had similar complication rates (10.6 vs 8.7%, P = .5). When treated at transplant centers, KTR had similar complications (aOR 0.44 0.791.43 ), but longer LOS (ratio 1.21 1.371.55 ) and greater hospital-associated costs (ratio 1.19 1.291.41 ) than non-KTR. Conversely, at nontransplant centers, KTR and non-KTR had similar complications (aOR 0.75 1.232.0 ), LOS (ratio 0.84 0.961.09 ), and cost (ratio 0.93 1.011.10 ). Contrary to other procedures, KTR did not constitute a high-risk group for patients undergoing appendectomy.

SUBMITTER: DiBrito SR

PROVIDER: S-EPMC5992085 | biostudies-literature | 2018 May

REPOSITORIES: biostudies-literature

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Surgical approach, cost, and complications of appendectomy in kidney transplant recipients.

DiBrito Sandra R SR Olorundare Israel O IO Holscher Courtenay M CM Landazabal Claudia S CS Orandi Babak J BJ Dagher Nabil N NN Segev Dorry L DL Garonzik-Wang Jacqueline J

Clinical transplantation 20180417 5

Kidney transplant recipients (KTRs) have greater morbidity and length of stay (LOS) following certain surgical procedures than non-KTR. Given that appendectomy is one of the most common surgical procedures, we investigated differences in outcomes between 1336 KTR and 2 640 247 non-KTR postappendectomy at transplant and nontransplant centers in the United States from 2000 to 2011, using NIS data and adjusting for patient-level and hospital-level factors. Postoperative complications were identifie ...[more]

PMID: 29577448

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Project description:BackgroundSurgical site complications (SSCs) are an important source of morbidity after kidney transplantation. We assessed the incidence, risk factors, outcomes and economic impact of SSCs in a large, diverse population of kidney transplant recipients.MethodsWe conducted a single-centre, observational cohort study of adult (age ≥ 18 yr) patients who underwent kidney transplantation between Jan. 1, 2005, and Dec. 31, 2015, with a minimum of 1 year of follow-up. Cases of SSC, including infections and wound dehiscence, were determined from patient records. Inpatient and outpatient hospital costs were determined 6 and 12 months after transplantation. We used the Kaplan-Meier product-limit method to determine the cumulative probability of SSCs and other outcomes. We evaluated risk factors and clinical outcomes using Cox proportional hazard ratios. Linear regression models were used to study the effect of SSCs on graft function.ResultsThe incidence rate of SSCs within 30 days after transplantation was 4.19 per 100 person-months. The cumulative probability of developing an SSC within 30 days after transplantation was 4.13% (95% confidence interval [CI] 3.23%-5.28%). Increased recipient body mass index (BMI) (hazard ratio [HR] 1.07, 95% CI 1.02-1.11), longer cold ischemic time (HR 1.05, 95% CI 1.01-1.09) and transplantation in 2010-2012 versus 2005-2009 (HR 2.20, 95% CI 1.19-4.04) were risk factors for SSC development. In multivariable stepwise Cox proportional hazard models, SSC was a significant risk factor for death-censored graft failure (HR 3.08, 95% CI 1.60-5.90) and total graft failure (HR 2.09, 95% CI 1.32-3.32). Cumulative median hospital costs were $2238.46 greater for patients with an SSC than for those without.ConclusionIncreased BMI, longer cold ischemic time and the 2010-2012 transplantation period predisposed to SSCs. The development of SSCs was associated with a higher risk of graft failure. Strategies to minimize SSCs may improve outcomes after kidney transplantation and reduce costs.

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Surgical approach, cost, and complications of appendectomy in kidney transplant recipients.

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Surgical approach, cost, and complications of appendectomy in kidney transplant recipients.

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