Abstract
Aims
Published literature on renal dysfunction (RD) in pediatric cirrhosis are limited. We aimed to detect early RD in cirrhotic children by renal resistive index (RI) and plasma aldosterone (PA). We evaluated the effects of large-volume paracentesis (LVP) and albumin infusion on the same.
Methods
Non-azotemic cirrhotic children with tense ascites (undergoing LVP with albumin infusion) were prospectively enrolled. Blood biochemistry and doppler ultrasonography for RI and PA were measured at regular intervals. RI >0.7 was considered as RD. Outcomes were noted at D90 and 1 year. Chronic liver disease children without ascites were included as controls.
Results
Of the 99 cirrhotic children, tense ascites (n=51) had higher baseline RI than controls (n=48) (p<0.001). Overall, baseline RD was observed in 32% and was significantly higher in tense ascites compared to controls (59% vs. 4%, p<0.001). Tense ascites with RD at admission had higher chances of acute kidney injury (AKI) (p=0.009), ascites recurrence (p=0.043), hospital readmission (p=0.048), and mortality (p=0.009) compared to patients without RD by D90. Significant reduction in RI was noted at 48 h, D7, D30, and D90 compared to baseline after LVP with albumin. Pediatric End-stage Liver Disease (PELD) score and PA had a strong positive correlation with baseline RI (R2=0.51, R2=0.47). Using multivariate analysis, PELD score and PA were predictors of AKI (odds ratio [OR]: 1.14; 95% confidence interval [CI]: 1.04–1.24; p=0.003) and mortality (OR: 1.82; 95% CI: 1.22–2.72; p=0.004), respectively.
Conclusions
Abnormal baseline RI can be used as an early predictor of RD and predict long-term renal ouctomes in pediatric cirrhosis. Baseline RI correlated well with the severity of liver disease and PA. Paracentesis and albumin infusion effectively reduced RI.
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Acknowledgements
We would like to thank senior laboratory technicians Ms. Amrita Mathias and Mr J. Raj for their valuable help in sample collection, processing, and estimation of plasma aldosterone.
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Durga Prasad: collection of data, study design, data analysis and primary drafting of manuscript. Moinak Sen Sarma: study design, data analysis, intellectual inputs, final drafting of manuscript. Surender Kumar Yachha: study design, intellectual inputs, supervision of study. Raghunandan Prasad: performed renal Doppler ultrasonography. Anshu Srivastava and Ujjal Poddar: intellectual inputs, study supervision. Anup Kumar: statistical analysis
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DP, MSS, SKY, RP, AS, UP, and AK declare no competing interests.
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The institutional ethics committee approved this study (IEC code: 2016-121-DM-92 dated 16.09.2016). Informed consent was taken in each patient.
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Prasad, D., Sen Sarma, M., Yachha, S.K. et al. Can we predict early renal impairment in pediatric cirrhosis?. Indian J Gastroenterol 41, 135–142 (2022). https://doi.org/10.1007/s12664-021-01190-8
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DOI: https://doi.org/10.1007/s12664-021-01190-8