ArticleMedical journal, Armed Forces India2025
Using Doppler duplex ultrasound to determine hemodynamic alterations in renal vasculature: Crucial pathophysiological event preceding renal dysfunction in decompensated cirrhosis.
Article in Medical journal, Armed Forces India, 2025. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Not yet cited in PubMed.
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Abstract
Background: Renal dysfunction is a watershed event in cirrhosis, often preceded by renal vasoconstriction. However, our reliability on elevated serum creatinine often delays interventions. Measurement of Renal Resistive Index (RI) and Renal Venous Stasis Index (RVSI) by Doppler ultrasound offers insight into renal vasoconstriction. Methods: Fifty participants with decompensated cirrhosis with ascites and normal serum creatinine underwent renal Doppler ultrasound for the measurement of RI and RVSI. All patients were compliant with a salt-restricted diet. Individuals aged <18 years, hepatocellular carcinoma, non-cirrhosis-related ascites, pre-existing renal disease, obstructive uropathy, or history of nephrotoxic medication use were excluded. Statistical analyses, including Pearson correlation, regression analysis, and Chi-square/Fisher's exact tests, were performed to assess the statistical significance between RI, RVSI, and renal parameters. Additionally, the association of RI with the model for end-stage liver disease sodium (MELD-Na) and Child-Turcotte-Pugh (CTP) scores was also assessed. Results: Majority were males (88%), average CTP score was 11.7, mean MELD-Na score was 20.92, and mean serum creatinine was 1.05 mg/dL. Renal parameters had varying RI values among renal arteries, with the main right and left arteries at 0.615 [standard deviation (SD): 0.089] and 0.638 (SD: 0.083), respectively. RI and RVSI are significantly correlated with serum creatinine. Further, significant correlation between, RI, RVSI values noted with MELD-Na score even when serum creatinine values are normal. Conclusion: Strong correlations between serum creatinine, RI, and MELD-Na scores hints at predictive clinical potential. Future research with larger cohorts and extended follow-up is required to gauge clinical utility and its impact on outcomes.
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