{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,10,13]],"date-time":"2026-10-13T18:37:17Z","timestamp":1791916637737,"version":"4.3.4"},"reference-count":53,"publisher":"Oxford University Press (OUP)","issue":"3","license":[{"start":{"date-parts":[[2024,1,20]],"date-time":"2024-01-20T00:00:00Z","timestamp":1705708800000},"content-version":"vor","delay-in-days":0,"URL":"https:\/\/academic.oup.com\/pages\/standard-publication-reuse-rights"}],"funder":[{"name":"Major Project of Military Logistical Support Department","award":["AWS15J003"],"award-info":[{"award-number":["AWS15J003"]}]},{"name":"Major Project of Military Logistical Support Department","award":["ALB19J001"],"award-info":[{"award-number":["ALB19J001"]}]}],"content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":[],"published-print":{"date-parts":[[2024,5,6]]},"abstract":"<jats:title>Abstract<\/jats:title>\n               <jats:p>Postburn hypermetabolism remains an important clinical problem. During this phase, there is a significant loss of diaphragmatic proteins. Better understanding of respiratory muscle dynamics and potential mechanisms affecting respiratory muscle function is necessary for the development of effective therapeutic approaches. Male Wistar rats were subjected to 50% TBSA burns and sham injuries, and respiratory muscle function was assessed with 0, 1, 4, 7, and 14 days postinjury, including pulmonary function, blood gas analysis, transdiaphragmatic pressure, diaphragm ultrasonography, isolated diaphragm contractility, fatigue index, protein oxidative stress content, and ATP levels. Burned rats had significantly reduced inspiratory time, expiratory time, and tidal volume and significantly increased respiratory rate and minute ventilation. At the same time, the isolated diaphragm contractility, specific force during fatigue, and fatigue index were significantly decreased in the burned rats. Pdi, Pdimax, diaphragm thickness, diaphragm thickening fraction, and diaphragm excursion also decreased significantly postburn, whereas the Pdi\/Pdimax ratio increased significantly. Finally, the content of protein carbonyls and lactic acid of burned rats was increased, and ATP levels of burned rats were decreased. The present study demonstrates the dynamic changes in diaphragm contractile properties postburn from both in vivo and in vitro perspectives, while cursorily exploring the possibility that protein oxidative stress and reduced ATP production may be the cause of diaphragm dysfunction. This understanding contributes to the development of methods to mitigate the extent of diaphragmatic function loss after severe burns.<\/jats:p>","DOI":"10.1093\/jbcr\/irae009","type":"journal-article","created":{"date-parts":[[2024,1,21]],"date-time":"2024-01-21T08:20:45Z","timestamp":1705825245000},"page":"777-789","source":"Crossref","is-referenced-by-count":3,"title":["Respiratory Muscle Contraction Characteristics and Potential Mechanisms in Severely Burned Rats"],"prefix":"10.1093","volume":"45","author":[{"given":"Bai","family":"Hailiang","sequence":"first","affiliation":[{"name":"Chinese PLA Medical School (Chinese PLA General Hospital) , Beijing 100853 , China"},{"name":"Department of Burns and Plastic Surgery, The Fourth Medical Center of PLA General Hospital , Beijing 100048 , China"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Bai","family":"Xiafen","sequence":"additional","affiliation":[{"name":"Chinese PLA Medical School (Chinese PLA General Hospital) , Beijing 100853 , China"},{"name":"Department of Special Medical Service, PLA Strategic Support Force Medical Center , Beijing 100101 , China"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Hao","family":"Xingxia","sequence":"additional","affiliation":[{"name":"Chinese PLA Medical School (Chinese PLA General Hospital) , Beijing 100853 , China"},{"name":"Department of Burns and Plastic Surgery, The Fourth Medical Center of PLA General Hospital , Beijing 100048 , China"},{"name":"The Inner Mongolia Medical University , Hohhot 010110 , China"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Chai","family":"Jiake","sequence":"additional","affiliation":[{"name":"Department of Burns and Plastic Surgery, The Fourth Medical Center of PLA General Hospital , Beijing 100048 , China"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Duan","family":"Hongjie","sequence":"additional","affiliation":[{"name":"Department of Burns and Plastic Surgery, The 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