Changes over time in body composition assessed by segmental bioelectrical impedance analysis in COPD patients
Daniela Gologanu (Bucarest, Romania), Daniela Gologanu, Diana Ionita, Cristina Stanescu, Ana Maria Raceanu, Miron Alexandru Bogdan
Source: International Congress 2015 – Best abstracts in chronic care
Session: Best abstracts in chronic care
Session type: Poster Discussion
Number: 3068
Disease area: Airway diseases
Abstract Background:Impaired muscle function and muscular depletion are common systemic manifestations in COPD; muscles from the lower limbs are most severely affected.Aim: To study the variation over time of body composition in COPD patients and the relationship with changes in lung function, 6MWD and CAT scoresMethods:17 COPD male patients performed spirometry, 6MWT, CAT and body composition assessment by direct segmental bioelectrical impedance analysis at baseline and follow-up(median follow-up 17 months).Results:We found a significant decrease in FEV1: mean FEV1 1.26l ± 0.23 at follow-up versus mean FEV1 1.49l ± 0.28 at baseline p<0.001 (FEV1 % mean 43.1% ± 9.4 versus 51.3% ± 11.7, p<0.001). There were no significant decrease in FFMI, SMMI (skeletal muscle mass index), LLM (leg lean mass), body weight, 6MWD, CAT score between baseline and follow-up. We found a significant correlation between the decrease in LLM and the decrease in FFMI (p = 0.023, r = 0,547) and in SMMI (p = 0.024, r = 0.544), and also between the variations between body weight and SMMI (p = 0.037, r = 0.508). The decrease in FFMI, SMMI, LLM did not correlate with the variation of FEV1, 6MWD or CAT scores.Conclusions: We found a significant lung function decline over time which was not correlated with a significant decrease in FFMI, SMMI or leg lean mass. The decrease in FFMI and in SMMI were both correlated with the decrease in LLM, suggesting that muscle loss from the lower limbs are the principal cause of muscular depletion in COPD; segmental body composition evaluation could be useful for an early and more focused detection of muscular impairment in COPD patients.
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Daniela Gologanu (Bucarest, Romania), Daniela Gologanu, Diana Ionita, Cristina Stanescu, Ana Maria Raceanu, Miron Alexandru Bogdan. Changes over time in body composition assessed by segmental bioelectrical impedance analysis in COPD patients. Eur Respir J 2015; 46: Suppl. 59, 3068
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