Significant correlation between near-infrared interactance and nutritional parameters in hemodialysis patients.
ASN 30th Annual Meeting, San Antonio
J Am Soc Nephrol (Sep) 8:239A 1997
A near-infrared interactance was used to help estimate body composition in 35 chronic hemodialysis patients. The measurements from the near-infrared interactants (NIR) were compared with anthropometric measurements including mid-arm circumference, triceps and biceps skinfold thickness, calculated mid-arm muscle circumference, and body mass index. All of the body composition parameters were measured between 10 and 20 minutes after the completion of a dialysis session. The near-infrared interactance measurements were measured on the non-access upper arm.
The near-infrared interactance measure correlated significantly with anthropometric measurements as well as years on dialysis and serum total iron binding capacity. The correlation between the NIR score was good to excellent with a correlation of 0.74 with mid-arm circumference, 0.53 with mid-arm muscle circumference, 0.55 with triceps skinfold thickness, 0.55 with biceps skinfold thickness, and 0.81 with body mass index. There was no statistical correlation between the near-infrared interactants score and age, gender, serum albumin, as well as with other unspecified biochemical measurements.
It was felt that the near infrared interactants was a relatively simple and quick method of determining body composition in chronic hemodialysis patients. Additional studies will be needed to determine if the NIR is a predictor of morbidity and mortality in this cohort. Michael V. Rocco, M.D., Bowman Gray School of Medicine
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ASN 30th Annual Meeting, San Antonio
CRF by organ system : Nutrition