Utilizing Integrated Lung and Inferior Vena Cava Ultrasound for Dry Weight Assessment - Insights from a Single-Center Experience
Abstract
ABSTRACT
Precise dry weight evaluation holds significant importance for individuals with end-stage renal disease (ESRD) undergoing hemodialysis. Fluid overload is associated with an increased likelihood of mortality and morbidity. Ultrasonography aids in assessing dry weight and modifying dialysis prescription.
OBJECTIVE:
To assess the following in ESRD Patients by ultrasonography:
- Dry weight and effectiveness of fluid removal
- Adjust the dialysis prescription
METHODOLOGY:
A prospective cross-sectional study was carried out in the Pediatric Hemodialysis unit at The Children's Hospital Lahore, over 6 months from July to December 2022. The study included 30 children aged 5-16 years undergoing maintenance hemodialysis and exhibiting signs of overload. Ultrasound was performed for B-lines and IVC diameter before and after dialysis. Dialysis prescriptions were modified and patients were monitored through sequential scans. Data was analyzed using SPSS version 20.
RESULTS: A total of 30 patients were enrolled with 53.3% being males. The average pre-dialysis weight was 25.39 kg, systolic blood pressure was 150.67 mmHg and diastolic blood pressure was 92.6 mmHg. Pre-dialysis pleural and pericardial effusions were observed in 86.7% patients, while B-lines were present in 63.3%. Majority of children (83%) were on twice-weekly dialysis and remaining were prescribed thrice weekly dialysis. A significant reduction in weight, blood pressure, pleural and pericardial effusion, B-lines, and IVC diameter was found after dialysis. Dialysis prescription was adjusted following the first session, with 80% subjects receiving thrice-weekly sessions, 16.7% daily, and 3.3% twice-weekly dialysis.
CONCLUSION: Monitoring the appropriate fluid removal and adjustments to the dialysis prescription in hemodialysis patients can be accomplished using ultrasonography.
Keywords: Dry weight, Ultrasound, B-lines, IVC, Dialysis frequency.
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