Gonzalo Núñez-Marín1, Rafael de la Espriella1, Enrique Santas1, Miguel Lorenzo1, Gema Miñana1, Eduardo Núñez1, Vicent Bodí1, Miguel González2, José Luis Górriz2, Clara Bonanad1, Juan Sanchis1,3, Antoni Bayés-Genís3,4,5, Julio Núñez1,3. 1. Cardiology Department, Hospital Clínico Universitario de Valencia, INCLIVA, Departamento de Medicina, Universitat de València, Avda. Blasco Ibáñez 17, Valencia 46010, Spain. 2. Nephrology Department, Hospital Clínico Universitario de Valencia, INCLIVA, Departamento de Medicina, Universitat de València, Avda. Blasco Ibáñez 17, Valencia 46010, Spain. 3. CIBER in Cardiovascular Diseases (CIBERCV), Madrid, Spain. 4. Heart Institute, Hospital Universitari Germans Trias i Pujol, Carretera de Canyet, s/n, 08916 Badalona, Barcelona, Spain. 5. Department of Medicine, Autonomous University of Barcelona, Barcelona, Spain.
Abstract
BACKGROUND: Intrarenal venous flow (IRVF) measured by Doppler ultrasound has gained interest as a potential surrogate marker of renal congestion and adverse outcomes in heart failure. In this work, we aimed to determine if antigen carbohydrate 125 (CA125) and plasma amino-terminal pro-B-type natriuretic peptide (NT-proBNP) are associated with congestive IRVF patterns (i.e., biphasic and monophasic) in acute heart failure (AHF). METHODS AND RESULTS: We prospectively enrolled a consecutive cohort of 70 patients hospitalized for AHF. Renal Doppler ultrasound was assessed within the first 24-h of hospital admission. The mean age of the sample was 73.5 ± 12.3 years; 47.1% were female, and 42.9% exhibited heart failure with preserved ejection fraction. The median (interquartile range) for NT-proBNP and CA125 were 6149 (3604-12 330) pg/mL and 64 (37-122) U/mL, respectively. The diagnostic performance of both exposures for identifying congestive IRVF patterns was tested using the receiving operating curve (ROC). The cut-off for CA125 of 63.5 U/mL showed a sensibility and specificity of 67% and 74% and an area under the ROC curve of 0.71. After multivariate adjustment, CA125 remained non-linearly and positively associated with congestive IRVF (P-value = 0.008) and emerged as the most important covariate explaining the variability of the model (R2: 47.5%). Under the same multivariate setting, NT-proBNP did not show to be associated with congestive IRVF patterns (P-value = 0.847). CONCLUSIONS: CA125 and not NT-proBNP is a useful marker for identifying patients with AHF and congestive IRVF patterns. Published on behalf of the European Society of Cardiology. All rights reserved.
BACKGROUND: Intrarenal venous flow (IRVF) measured by Doppler ultrasound has gained interest as a potential surrogate marker of renal congestion and adverse outcomes in heart failure. In this work, we aimed to determine if antigen carbohydrate 125 (CA125) and plasma amino-terminal pro-B-type natriuretic peptide (NT-proBNP) are associated with congestive IRVF patterns (i.e., biphasic and monophasic) in acute heart failure (AHF). METHODS AND RESULTS: We prospectively enrolled a consecutive cohort of 70 patients hospitalized for AHF. Renal Doppler ultrasound was assessed within the first 24-h of hospital admission. The mean age of the sample was 73.5 ± 12.3 years; 47.1% were female, and 42.9% exhibited heart failure with preserved ejection fraction. The median (interquartile range) for NT-proBNP and CA125 were 6149 (3604-12 330) pg/mL and 64 (37-122) U/mL, respectively. The diagnostic performance of both exposures for identifying congestive IRVF patterns was tested using the receiving operating curve (ROC). The cut-off for CA125 of 63.5 U/mL showed a sensibility and specificity of 67% and 74% and an area under the ROC curve of 0.71. After multivariate adjustment, CA125 remained non-linearly and positively associated with congestive IRVF (P-value = 0.008) and emerged as the most important covariate explaining the variability of the model (R2: 47.5%). Under the same multivariate setting, NT-proBNP did not show to be associated with congestive IRVF patterns (P-value = 0.847). CONCLUSIONS: CA125 and not NT-proBNP is a useful marker for identifying patients with AHF and congestive IRVF patterns. Published on behalf of the European Society of Cardiology. All rights reserved.
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