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Sagittal abdominal diameter as an anthropometric measure of cardiovascular and graft loss risk in renal transplant recipients.
Transplantation Proceedings 2015 May
BACKGROUND: Sagittal abdominal diameter (SAD) has been presented as a stronger prognostic factor for all-cause and cardiovascular mortality in the general population. The aim of this study was to evaluate the relationship between SAD and its associated parameters in renal transplant recipients.
METHODS: One hundred eighty-one renal transplant recipients were enrolled in the study. All patients were evaluated according to standard clinical and biochemical parameters. Anthropometric measurements were performed for all patients. Pulse-wave velocity (PWV) was determined from pressure tracing over carotid and femoral arteries with the use of the Sphygmocor system.
RESULTS: Patients were divided into 2 groups according to SAD measurements. Group 1 (n = 127) was defined as SAD <24.3 cm, and group 2 (n = 54) was defined as SAD ≥ 24.3 cm. Patients in group 2 had significantly higher triglycerides, C-reactive protein (CRP), uric acid, systolic blood pressure, PWV, and body mass index measurements compared with group 1 (P < .05 for all). In group 2, estimated glomerular filtration rate (eGFR) was significantly lower than group 1 (P = .022). SAD had positive correlation with PWV, systolic and diastolic blood pressure, body mass index, triglycerides, fasting glucose, CRP, and uric acid (P < .05 for all). On stepwise linear regression analyses, proteinuria (P = .005), SAD (P = .001), and CRP (P = .015) independently predicted the degree of percentage change of eGFR.
CONCLUSIONS: Considering the significant association of visceral fat with inflammation and cardiovascular disease, estimating visceral fat by means of SAD could be a useful tool to stratify cardiovascular risk as well as graft function in renal transplant recipients.
METHODS: One hundred eighty-one renal transplant recipients were enrolled in the study. All patients were evaluated according to standard clinical and biochemical parameters. Anthropometric measurements were performed for all patients. Pulse-wave velocity (PWV) was determined from pressure tracing over carotid and femoral arteries with the use of the Sphygmocor system.
RESULTS: Patients were divided into 2 groups according to SAD measurements. Group 1 (n = 127) was defined as SAD <24.3 cm, and group 2 (n = 54) was defined as SAD ≥ 24.3 cm. Patients in group 2 had significantly higher triglycerides, C-reactive protein (CRP), uric acid, systolic blood pressure, PWV, and body mass index measurements compared with group 1 (P < .05 for all). In group 2, estimated glomerular filtration rate (eGFR) was significantly lower than group 1 (P = .022). SAD had positive correlation with PWV, systolic and diastolic blood pressure, body mass index, triglycerides, fasting glucose, CRP, and uric acid (P < .05 for all). On stepwise linear regression analyses, proteinuria (P = .005), SAD (P = .001), and CRP (P = .015) independently predicted the degree of percentage change of eGFR.
CONCLUSIONS: Considering the significant association of visceral fat with inflammation and cardiovascular disease, estimating visceral fat by means of SAD could be a useful tool to stratify cardiovascular risk as well as graft function in renal transplant recipients.
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