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Title: Adequacy of peritoneal dialysis: does kt/v have the same predictive value as in HD? A multicenter study.
Author: De Alvaro F, Bajo MA, Alvarez-Ude F, Vigil A, Molina A, Coronel F, Selgas R.
Journal: Adv Perit Dial; 1992; 8():93-7. PubMed ID: 1361862.
Abstract:
Urea kinetics and the use of KT/V has become a useful tool for assessing adequacy of small solute removal in HD. Clinical data supporting the benefit of urea kinetic analysis in CAPD patients had been lacking. Using the standards of KT/V for hemodialysis, many CAPD patients would be underdialyzed but, most studies show no significant difference in morbidity or mortality between CAPD and HD patients. We studied retrospectively, 102 patients (48 M, 54 F), aged 54.6 +/- 14.8 (range 14-82), on CAPD 24.4 +/- 23.9 months (0-120) from 6 hospitals. Clinical and biochemical parameters, co-morbidity, mortality, and hospital admission rate were registered. During the follow-up (1 year), a significant decrease of residual renal function (Kr) from 1.74 +/- 1.86 to 1.31 +/- 1.67 (p < 0.01) was noticed. The KT/V also decreased from 2.00 +/- 0.47 to 1.89 +/- 0.36 (p < 0.01) without change in BUN or plasma creatinine levels. The normalized protein catabolic rate (NPCR) decreased from 0.98 +/- 0.28 to 0.93 +/- 0.30 (p < 0.05) and serum albumin from 3.7 +/- 0.5 to 3.5 +/- 0.6 (p < 0.001). There was a positive correlation between NPCR and KT/V (r = 0.44, p < 0.05) and between NPCR with serum BUN (r = 0.27, p < 0.05). There was no correlation between KT/V and NPCR neither with hospitalization rate nor clinical symptoms index. The latter, however, showed a positive correlation with the co-morbidity index.(ABSTRACT TRUNCATED AT 250 WORDS)

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