{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,3,31]],"date-time":"2026-03-31T03:13:33Z","timestamp":1774926813431,"version":"3.50.1"},"reference-count":13,"publisher":"Oxford University Press (OUP)","issue":"6","license":[{"start":{"date-parts":[[1990,6,1]],"date-time":"1990-06-01T00:00:00Z","timestamp":644198400000},"content-version":"vor","delay-in-days":0,"URL":"https:\/\/academic.oup.com\/pages\/standard-publication-reuse-rights"}],"content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":[],"published-print":{"date-parts":[[1990,6,1]]},"abstract":"<jats:title>Abstract<\/jats:title>\n                  <jats:p>Malnutrition and hyperinflation may both lead to respiratory muscle weakness. To assess separately the effects of chronic hyperinflation and malnutrition on respiratory muscle strength (RMS), 22 subjects with cystic fibrosis (CF) with both hyperinflation and malnutrition were compared to 10 asthmatic patients, a group with hyperinflation without malnutrition, 9 subjects with anorexia nervosa (AN), a group with malnutrition without lung disease, and 14 (6 males and 8 females) control subjects with neither compromise. Nutritional status was assessed by body mass percentile (BMP) and percentage ideal weight (PIWT). RMS was diminished in the AN and CF groups (Pi \u00a0max 90 \u00b1 27, 88 \u00b1 31 versus 124 \u00b1 40 cm H2O, p &amp;lt; 0.05; Pe \u00a0max 87 \u00b1 12, 93 \u00b1 39 versus 121 \u00b1 32 cm H2O, p &amp;lt; 0.05), but no diffirence was found when the AN group was compared with only the female controls. The decrease in Pi \u00a0max in the CF group was primarily due to the mechanical disadvantage placed on the diaphragm by their marked hyperinflation, a mean RV\/TLC ratio of 50 \u00b1 23%. As older CF subjects had previously been shown to have decreased RMS when malnourished, a CF subgroup in the same age range as the controls was evaluated. RMS in this group did not differ from controls despite the presence of malnutrition and hyperinflation. RMS is mildly influenced by nutritional status as assessed by BMP and PIWT but not to any degree of clinical significance.<\/jats:p>","DOI":"10.1164\/ajrccm\/141.6.1506","type":"journal-article","created":{"date-parts":[[2013,4,4]],"date-time":"2013-04-04T17:12:19Z","timestamp":1365095539000},"page":"1506-1509","source":"Crossref","is-referenced-by-count":60,"title":["The Effects of Nutritional Status and Hyperinflation on Respiratory Muscle Strength in Children and Young Adults"],"prefix":"10.1093","volume":"141","author":[{"given":"Larry","family":"Lands","sequence":"first","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Katherine J.","family":"Desmond","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Debbie","family":"Demizio","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Allan","family":"Pavilanis","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Allan L.","family":"Coates","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]}],"member":"286","published-online":{"date-parts":[[1990,6,1]]},"reference":[{"key":"p_11","first-page":"848","volume":"196","journal-title":"Respir Dis"},{"key":"p_13","first-page":"833","volume":"197","journal-title":"Am Rev Respir Dis"},{"key":"p_17","first-page":"855","volume":"198","journal-title":"Respir Dis"},{"key":"p_27","first-page":"766","volume":"198","journal-title":"Am Rev Respir Dis"},{"key":"p_31","first-page":"414","volume":"198","journal-title":"Am Rev Respir Dis"},{"key":"p_44","first-page":"587","volume":"197","journal-title":"Am Rev Respir Dis"},{"key":"p_56","unstructured":"system during maximal efforts. 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