Former LIFESCI Student Giulia Coletta and faculty publish paper

Prevalence of sarcopenia indicators and sub-optimal protein intake among elective total joint replacement patients

Authors: Giulia Coletta, Josephine S. Jakubowski, Stuart M. Phillips https://orcid.org/0000-0002-1956-4098, Stephanie Atkinson, Alexandra Papaioannou , and Janet M. Pritchard https://orcid.org/0000-0003-2901-1857 pritcjm@mcmaster.ca

AUTHORS INFO & AFFILIATIONS

Publication: Applied Physiology, Nutrition, and Metabolism

10 March 2023

Sarcopenia is associated with falls, and can complicate recovery following total joint replacement (TJR) surgery. We examined (1) the prevalence of sarcopenia indicators and lower-than-recommended protein intake among TJR patients and non-TJR community participants and (2) the relationships between dietary protein intake and sarcopenia indicators. We recruited adults ?65?years of age who were undergoing TJR, and adults from the community not undergoing TJR (controls). We assessed grip strength and appendicular lean soft-tissue mass (ALSTMBMI) using DXA, and applied the original Foundation for the National Institutes of Health Sarcopenia Project cut-points for sarcopenia indicators (grip strength <26?kg for men and <16?kg for women; ALSTM <0.789?m2 for men and <0.512?m2 for women) and less conservative cut-points (grip strength <31.83?kg for men and <19.99?kg for women; ALSTM <0.725?m2 for men and <0.591?m2 for women). Total daily and per meal protein intakes were derived from 5-day diet re

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