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(protein equivalent of nitrogen appearance)
123 results
  • Differences between Measured Total Nitrogen Losses in Spent Peritoneal Dialysate Effluent and Estimated Nitrogen Losses. [Journal Article]
    J Ren Nutr 2019; 29(3):243-247Vongsanim S, Salame C, … Davenport A
  • CONCLUSIONS: Our findings demonstrate that at higher protein losses, the currently used predictive equations underestimate the amount lost. It is important to attempt to compensate the iatrogenic protein loss by recommending the appropriate intake of dietary protein to patients, in an attempt to minimize muscle wasting. This discrepancy may have arisen because of the characteristics of newer PD prescriptions and change in patient demographics. We propose a new equation PNA g/day = 0.31 × (urea loss mmol) + 7.17, which will require prospective validation in additional studies.
  • Estimating Dietary Protein Intake in Peritoneal Dialysis Patients: The Effect of Ethnicity. [Journal Article]
    Perit Dial Int 2018 Sep-Oct; 38(5):384-387Vongsanim S, Davenport A
  • Kidney dialysis patients with sarcopenia have increased mortality. Clinical guidelines recommend peritoneal dialysis (PD) patients have a target daily protein intake to prevent sarcopenia. Protein intake is estimated from total daily urea losses in urine and peritoneal dialysate to assess the protein equivalent of nitrogen appearance rate adjusted for body weight (nPNA). Dietary habits differ amo…
  • Whey protein and albumin effects upon urinary risk factors for stone formation. [Journal Article]
    Urolithiasis 2017; 45(5):421-428Hattori CM, Tiselius HG, Heilberg IP
  • Protein supplements are consumed for an expected increase in muscle mass and improved exercise performance, but as their impact on lithogenic parameters are unknown, we aimed to evaluate the effects of Whey protein (WP) and Albumin upon the risk factors for nephrolithiasis. WP or Albumin supplements (one scoop/day) were administered for 3 days to 18 healthy volunteers, with 1-week washout period …
  • Target weight gain during the first year of hemodialysis therapy is associated with patient survival. [Journal Article]
    Nephron Clin Pract 2014; 126(3):128-34Chazot C, Deleaval P, … Jean G
  • CONCLUSIONS: The initial fluid removal was related to nutritional markers. The secondary TGW change during the first year of HD treatment calculated after the initial phase of fluid removal was identified as a strong predictor of survival. It was associated with a better food intake whereas the patient case mix was not different. These data highlight the importance of nutrition and food intake in the first year of dialysis therapy and the need for nutritional follow-up and support in incident HD patients. It stresses the need in understanding the key factors associated with food intake in this setting.
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