Each (S10 or 770) estimated target weight, both pre- and post-hemodialysis, was considered ideal when the ECW/TBW ratio was 0.380. Measurements from 56 patients before and after hemodialysis were obtained using the 2 machines.
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This study was conducted among maintenance hemodialysis patients at Chuncheon Sacred Heart Hospital in October 2020. Therefore, this study compared the measurements of hemodialysis patients’ estimated target weight and ECW/TBW obtained lying down using the S10 to those obtained in the standing position using the 770.
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In contrast, patients can use the InBody 770 to obtain measurements by themselves in the standing position, which may be more convenient. Although the InBody S10 is widely used for hemodialysis patients in the lying position, clinicians must make the measurements in person.
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If either one was outside the corresponding cutoff range (total number of B-lines >10.5 and cIVC ≤18.2), the severe predialysis fluid overload was predicted successfully in all eight (100%) sessions. When both evaluations were combined, if either the total number of B-lines or the cIVC was outside the corresponding cutoff range (>10.5 and ≤23.5, respectively), it was detected in 16 out of 17 sessions (sensitivity 94%). There was a strong positive correlation between the predialysis total number of B-lines and predialysis fluid overload (r=0.764, p7% derived from the BIS AUROC 0.82 and 0.80, respectively). The median age of the participants was 14 (IQR, 13–15) years, and two (20%) were male. Moreover, 30 predialysis and 30 postdialysis lung ultrasound, cIVC, and bioimpedance spectroscopy (BIS) measurements were performed. The hydration status of the patients was clinically evaluated. Ten children with end-stage kidney disease who were on an intermittent hemodialysis program were included. We aimed to evaluate the predictive capability of lung ultrasounds and the inferior vena cava collapsibility index (cIVC) in predialysis overhydration in children with end-stage kidney disease. To our knowledge, this is the first report on the use of body composition monitors to assess fluid status in Korean children receiving HD.Īlthough the number of studies evaluating methods to predict fluid overload is increasing, the assessment of fluid status in children on dialysis is still fraught with inaccuracies. In some patients with larger weight gain Inbody S10-assessed overhydration (OH) was much smaller than BCM-assessed OH, suggesting that BCM is more relevant in estimating fluid accumulation amount than Inbody S10. Bioimpedance measurement indicated fluid overload (FO ΔHS greater than 7%) in 34.8% with Inbody S10 and 56.5% with BCM, and only about 60% of children with FO by bioimpedance methods showed clinical symptoms such as hypertension and edema.
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Fluid removal during a HD session (assessed as body-weight change, ΔBWt) was compared with the difference in total body water determined by each device (measured fluid difference, ΔMF), which showed strong correlation using either method (Pearson's coefficient, r = 0.772 with Inbody S10 vs. A multi-frequency bioimpedance analysis device (Inbody S10) and bioimpedance spectroscopy device (BCM) were used to evaluate fluid status. To determine the accuracy of bioelectrical impedance methods in the assessment of body fluid statusof children undergoing hemodialysis (HD), 12 children on HD were studied. Recently, bioelectrical impedance methods have been used to determine body fluid status, but pediatric reports are rare. Adequate fluid management is an important therapeutic goal of dialysis.