Obesity-related decrease in intraoperative blood flow is associated with maturation failure of radiocephalic arteriovenous fistula Jwa-Kyung Kim, MD,

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Obesity-related decrease in intraoperative blood flow is associated with maturation failure of radiocephalic arteriovenous fistula Jwa-Kyung Kim, MD, Jae Han Jeong, MD, Young Rim Song, MD, Hyung Jik Kim, MD, PhD, Won Yong Lee, MD, PhD, Kun Il Kim, MD, Sung Gyun Kim, MD, PhD Journal of Vascular Surgery Volume 62, Issue 4, Pages 1010-1017.e1 (October 2015) DOI: 10.1016/j.jvs.2015.05.008 Copyright © 2015 Society for Vascular Surgery Terms and Conditions

Fig 1 Receiver operating characteristic (ROC) curves for intraoperative blood flow (IOBF) for the prediction of primary maturation failure. Initial IOBF was significantly associated with primary maturation failure of radiocephalic arteriovenous fistula (AVF) with the cutoff volume of 190 mL/min. In the unadjusted model, the area under the ROC (AUC) was 0.768. When age, gender, diabetes, body mass index (BMI), high-sensitivity C-reactive protein (hs-CRP), and vein diameter were combined, the AUC increased to 0.825. Journal of Vascular Surgery 2015 62, 1010-1017.e1DOI: (10.1016/j.jvs.2015.05.008) Copyright © 2015 Society for Vascular Surgery Terms and Conditions

Fig 2 Kaplan-Meier estimates for the occurrence of primary maturation failure according to intraoperative blood flow (IOBF) and obesity (number of patients with standard error [SE]). IOBF <190 mL/min (hazard ratio, 3.05; 95% confidence interval [CI], 1.52-6.11; P = .001; left) and body mass index (BMI) ≥25 kg/m2 (hazard ratio, 2.34; 95% confidence interval [CI], 1.71-4.16; P = .002; right) significantly increased the risk of primary maturation failure. Journal of Vascular Surgery 2015 62, 1010-1017.e1DOI: (10.1016/j.jvs.2015.05.008) Copyright © 2015 Society for Vascular Surgery Terms and Conditions