{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,8,20]],"date-time":"2026-08-20T14:38:22Z","timestamp":1787236702900,"version":"build-2736575974"},"reference-count":13,"publisher":"European Respiratory Society (ERS)","issue":"3","content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":["Eur Respir J"],"accepted":{"date-parts":[[2002,3,4]]},"published-print":{"date-parts":[[2002,9]]},"abstract":"<jats:p>\n                    Twitch transdiaphragmatic pressure (\n                    <jats:italic>P<\/jats:italic>\n                    <jats:sub>di,tw<\/jats:sub>\n                    ), measured following magnetic stimulation of the phrenic nerves, is used to assess diaphragm strength, contractility and fatigue. Although the effects of posture, lung volume and potentiation on\n                    <jats:italic>P<\/jats:italic>\n                    <jats:sub>di,tw<\/jats:sub>\n                    are well described, it is not known whether the degree of gastric filling affects the measurement.\n                  <\/jats:p>\n                  <jats:p>\n                    <jats:italic>P<\/jats:italic>\n                    <jats:sub>di,tw<\/jats:sub>\n                    was recorded in seven healthy volunteers on two occasions with antero-lateral magnetic stimulation of the phrenic nerves. On the first occasion, the subjects had fasted for at least 8\u2005h, whilst on the second occasion, measurements were made after each subject had eaten a substantial meal sufficient to produce a feeling of satiation.\n                  <\/jats:p>\n                  <jats:p>\n                    Mean postprandial unpotentiated and potentiated\n                    <jats:italic>P<\/jats:italic>\n                    <jats:sub>di,tw<\/jats:sub>\n                    were significantly greater than corresponding fasting\n                    <jats:italic>P<\/jats:italic>\n                    <jats:sub>di,tw<\/jats:sub>\n                    in all seven volunteers (29.8\n                    <jats:italic>versus<\/jats:italic>\n                    25.7\u2005cmH\n                    <jats:sub>2<\/jats:sub>\n                    O and 38.9\n                    <jats:italic>versus<\/jats:italic>\n                    34.4 cmH\n                    <jats:sub>2<\/jats:sub>\n                    O, respectively). This was due to a significantly increased gastric pressure component (1.10\n                    <jats:italic>versus<\/jats:italic>\n                    0.84 and 0.94\n                    <jats:italic>versus<\/jats:italic>\n                    0.78, respectively), and reduced abdominal compliance (36\n                    <jats:italic>versus<\/jats:italic>\n                    62\u2005mL\u00b7cmH\n                    <jats:sub>2<\/jats:sub>\n                    O\n                    <jats:sup>\u22121<\/jats:sup>\n                    ). Twitch oesophageal pressure was preserved (15.0\n                    <jats:italic>versus<\/jats:italic>\n                    15.4\u2005cmH\n                    <jats:sub>2<\/jats:sub>\n                    O).\n                  <\/jats:p>\n                  <jats:p>The postprandial state increases twitch transdiaphragmatic pressure, and this should be taken into account when using twitch transdiaphragmatic pressure to follow-up patients or to assess the effects of interventions on diaphragm contractility.<\/jats:p>","DOI":"10.1183\/09031936.02.00302702","type":"journal-article","created":{"date-parts":[[2002,9,6]],"date-time":"2002-09-06T17:12:37Z","timestamp":1031332357000},"page":"577-580","source":"Crossref","is-referenced-by-count":29,"title":["Postprandial effects on twitch transdiaphragmatic pressure"],"prefix":"10.1183","volume":"20","author":[{"given":"W.D-C.","family":"Man","sequence":"first","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Y-M.","family":"Luo","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"N.","family":"Mustfa","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"G.F.","family":"Rafferty","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"J-C.","family":"Glerant","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"M.I.","family":"Polkey","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"J.","family":"Moxham","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]}],"member":"81","published-online":{"date-parts":[[2002,9,1]]},"reference":[{"key":"2024101809433625000_20.3.577.1","doi-asserted-by":"crossref","first-page":"1311","DOI":"10.1152\/jappl.1989.67.4.1311","volume":"67","year":"1989","journal-title":"J Appl Physiol"},{"key":"2024101809433625000_20.3.577.2","doi-asserted-by":"crossref","first-page":"475","DOI":"10.1164\/ajrccm.157.2.9705082","volume":"157","year":"1998","journal-title":"Am J Respir Crit Care Med"},{"key":"2024101809433625000_20.3.577.3","doi-asserted-by":"publisher","DOI":"10.1164\/ajrccm\/142.2.474"},{"key":"2024101809433625000_20.3.577.4","doi-asserted-by":"crossref","first-page":"54","DOI":"10.1152\/jappl.2000.88.1.54","volume":"88","year":"2000","journal-title":"J Appl Physiol"},{"key":"2024101809433625000_20.3.577.5","doi-asserted-by":"crossref","first-page":"437","DOI":"10.1152\/jappl.1996.81.1.437","volume":"81","year":"1996","journal-title":"J Appl Physiol"},{"key":"2024101809433625000_20.3.577.6","doi-asserted-by":"crossref","first-page":"1532","DOI":"10.1183\/09031936.95.08091532","volume":"8","year":"1995","journal-title":"Eur Respir J"},{"key":"2024101809433625000_20.3.577.7","doi-asserted-by":"crossref","first-page":"961","DOI":"10.1183\/09031936.93.02100961","volume":"2","year":"1989","journal-title":"Eur Respir J"},{"key":"2024101809433625000_20.3.577.8","doi-asserted-by":"publisher","DOI":"10.1164\/ajrccm.154.4.8887614"},{"key":"2024101809433625000_20.3.577.9","doi-asserted-by":"publisher","DOI":"10.1136\/thx.49.12.1234"},{"key":"2024101809433625000_20.3.577.10","doi-asserted-by":"crossref","first-page":"1997","DOI":"10.1152\/jappl.1985.58.6.1997","volume":"58","year":"1985","journal-title":"J Appl Physiol"},{"key":"2024101809433625000_20.3.577.11","doi-asserted-by":"crossref","first-page":"1537","DOI":"10.1152\/jappl.1995.78.4.1537","volume":"78","year":"1995","journal-title":"J Appl Physiol"},{"key":"2024101809433625000_20.3.577.12","doi-asserted-by":"publisher","DOI":"10.1136\/thx.50.6.620"},{"key":"2024101809433625000_20.3.577.13","doi-asserted-by":"crossref","first-page":"448","DOI":"10.1164\/ajrccm.154.2.8756821","volume":"154","year":"1996","journal-title":"Am J Respir Crit Care Med"}],"container-title":["European Respiratory Journal"],"original-title":[],"language":"en","link":[{"URL":"https:\/\/syndication.highwire.org\/content\/doi\/10.1183\/09031936.02.00302702","content-type":"unspecified","content-version":"vor","intended-application":"similarity-checking"}],"deposited":{"date-parts":[[2025,2,24]],"date-time":"2025-02-24T00:43:27Z","timestamp":1740357807000},"score":1,"resource":{"primary":{"URL":"https:\/\/publications.ersnet.org\/lookup\/doi\/10.1183\/09031936.02.00302702"}},"subtitle":[],"short-title":[],"issued":{"date-parts":[[2002,9]]},"references-count":13,"journal-issue":{"issue":"3","published-online":{"date-parts":[[2002,9,1]]},"published-print":{"date-parts":[[2002,9]]}},"alternative-id":["10.1183\/09031936.02.00302702"],"URL":"https:\/\/doi.org\/10.1183\/09031936.02.00302702","relation":{},"ISSN":["0903-1936","1399-3003"],"issn-type":[{"value":"0903-1936","type":"print"},{"value":"1399-3003","type":"electronic"}],"subject":[],"published":{"date-parts":[[2002,9]]}}}