Effect of posture on respiratory function and drive in preterm infants prior to discharge
Our objective was to determine the effect of posture on respiratory function and drive in prematurely born infants immediately prior to discharge. Twenty infants (6 oxygen‐dependent), median gestational age 29 weeks (range, 25–32), were studied at a median postconceptional age (PCA) of 36 weeks (ran...
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| Veröffentlicht in: | Pediatric pulmonology 2003-10, Vol.36 (4), p.295-300 |
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| creator | Leipälä, J.A. Bhat, R. Y. Rafferty, G.F. Hannam, S. Greenough, A. |
| description | Our objective was to determine the effect of posture on respiratory function and drive in prematurely born infants immediately prior to discharge. Twenty infants (6 oxygen‐dependent), median gestational age 29 weeks (range, 25–32), were studied at a median postconceptional age (PCA) of 36 weeks (range, 33–39). On 2 successive days, infants were studied both supine and prone; each posture was maintained for 3 hr. The order on each day in which postures were studied was randomized between infants. At the end of each 3‐hr period, tidal volume (Vt), inspiratory (Ti) and expiratory (Te) time, respiratory rate, and minute ventilation were measured. In addition, respiratory drive was assessed by measuring the pressure generated in the first 100 msec of an imposed airway occlusion (P0.1), and respiratory muscle strength was assessed by recording the maximum inspiratory pressure (Pimax) generated against an occlusion which was maintained for at least five breaths. Overall, tidal volume was higher (P |
| doi_str_mv | 10.1002/ppul.10316 |
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Y. ; Rafferty, G.F. ; Hannam, S. ; Greenough, A.</creator><creatorcontrib>Leipälä, J.A. ; Bhat, R. Y. ; Rafferty, G.F. ; Hannam, S. ; Greenough, A.</creatorcontrib><description>Our objective was to determine the effect of posture on respiratory function and drive in prematurely born infants immediately prior to discharge. Twenty infants (6 oxygen‐dependent), median gestational age 29 weeks (range, 25–32), were studied at a median postconceptional age (PCA) of 36 weeks (range, 33–39). On 2 successive days, infants were studied both supine and prone; each posture was maintained for 3 hr. The order on each day in which postures were studied was randomized between infants. At the end of each 3‐hr period, tidal volume (Vt), inspiratory (Ti) and expiratory (Te) time, respiratory rate, and minute ventilation were measured. In addition, respiratory drive was assessed by measuring the pressure generated in the first 100 msec of an imposed airway occlusion (P0.1), and respiratory muscle strength was assessed by recording the maximum inspiratory pressure (Pimax) generated against an occlusion which was maintained for at least five breaths. Overall, tidal volume was higher (P < 0.05), but respiratory rate (P < 0.05), P0.1 (P < 0.05), and Pimax (P < 0.05) were lower in the prone compared to the supine position. There were no significant differences in Ti or Te between the two postures. In oxygen‐dependent infants only, minute volume was higher in the prone position (P < 0.05). In conclusion, posture‐related differences in respiratory function are present in prematurely born infants studied prior to neonatal unit discharge. Pediatr Pulmonol. 2003; 36:295–300. © 2003 Wiley‐Liss, Inc.</description><identifier>ISSN: 8755-6863</identifier><identifier>EISSN: 1099-0496</identifier><identifier>DOI: 10.1002/ppul.10316</identifier><identifier>PMID: 12950041</identifier><identifier>CODEN: PEPUES</identifier><language>eng</language><publisher>Hoboken: Wiley Subscription Services, Inc., A Wiley Company</publisher><subject>Biological and medical sciences ; Delivery. Postpartum. Lactation ; Drive ; Gynecology. Andrology. Obstetrics ; Humans ; Infant, Newborn ; Infant, Premature - physiology ; Maternal, fetal and perinatal monitoring ; Medical sciences ; Oxygen Inhalation Therapy ; position ; Posture - physiology ; prematurity ; prone ; Prone Position - physiology ; Respiration ; sudden infant death syndrome ; supine ; Supine Position - physiology ; Tidal Volume</subject><ispartof>Pediatric pulmonology, 2003-10, Vol.36 (4), p.295-300</ispartof><rights>Copyright © 2003 Wiley‐Liss, Inc.</rights><rights>2004 INIST-CNRS</rights><rights>Copyright 2003 Wiley-Liss, Inc.</rights><lds50>peer_reviewed</lds50><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c3936-c926e94bd68d17a45ca8d08992e6c47d85812b2b56fc9dc7f0060e46f07670983</citedby><cites>FETCH-LOGICAL-c3936-c926e94bd68d17a45ca8d08992e6c47d85812b2b56fc9dc7f0060e46f07670983</cites></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktopdf>$$Uhttps://onlinelibrary.wiley.com/doi/pdf/10.1002%2Fppul.10316$$EPDF$$P50$$Gwiley$$H</linktopdf><linktohtml>$$Uhttps://onlinelibrary.wiley.com/doi/full/10.1002%2Fppul.10316$$EHTML$$P50$$Gwiley$$H</linktohtml><link.rule.ids>314,780,784,1416,27923,27924,45573,45574</link.rule.ids><backlink>$$Uhttp://pascal-francis.inist.fr/vibad/index.php?action=getRecordDetail&idt=15160248$$DView record in Pascal Francis$$Hfree_for_read</backlink><backlink>$$Uhttps://www.ncbi.nlm.nih.gov/pubmed/12950041$$D View this record in MEDLINE/PubMed$$Hfree_for_read</backlink></links><search><creatorcontrib>Leipälä, J.A.</creatorcontrib><creatorcontrib>Bhat, R. Y.</creatorcontrib><creatorcontrib>Rafferty, G.F.</creatorcontrib><creatorcontrib>Hannam, S.</creatorcontrib><creatorcontrib>Greenough, A.</creatorcontrib><title>Effect of posture on respiratory function and drive in preterm infants prior to discharge</title><title>Pediatric pulmonology</title><addtitle>Pediatr. Pulmonol</addtitle><description>Our objective was to determine the effect of posture on respiratory function and drive in prematurely born infants immediately prior to discharge. Twenty infants (6 oxygen‐dependent), median gestational age 29 weeks (range, 25–32), were studied at a median postconceptional age (PCA) of 36 weeks (range, 33–39). On 2 successive days, infants were studied both supine and prone; each posture was maintained for 3 hr. The order on each day in which postures were studied was randomized between infants. At the end of each 3‐hr period, tidal volume (Vt), inspiratory (Ti) and expiratory (Te) time, respiratory rate, and minute ventilation were measured. In addition, respiratory drive was assessed by measuring the pressure generated in the first 100 msec of an imposed airway occlusion (P0.1), and respiratory muscle strength was assessed by recording the maximum inspiratory pressure (Pimax) generated against an occlusion which was maintained for at least five breaths. Overall, tidal volume was higher (P < 0.05), but respiratory rate (P < 0.05), P0.1 (P < 0.05), and Pimax (P < 0.05) were lower in the prone compared to the supine position. There were no significant differences in Ti or Te between the two postures. In oxygen‐dependent infants only, minute volume was higher in the prone position (P < 0.05). In conclusion, posture‐related differences in respiratory function are present in prematurely born infants studied prior to neonatal unit discharge. Pediatr Pulmonol. 2003; 36:295–300. © 2003 Wiley‐Liss, Inc.</description><subject>Biological and medical sciences</subject><subject>Delivery. Postpartum. Lactation</subject><subject>Drive</subject><subject>Gynecology. Andrology. Obstetrics</subject><subject>Humans</subject><subject>Infant, Newborn</subject><subject>Infant, Premature - physiology</subject><subject>Maternal, fetal and perinatal monitoring</subject><subject>Medical sciences</subject><subject>Oxygen Inhalation Therapy</subject><subject>position</subject><subject>Posture - physiology</subject><subject>prematurity</subject><subject>prone</subject><subject>Prone Position - physiology</subject><subject>Respiration</subject><subject>sudden infant death syndrome</subject><subject>supine</subject><subject>Supine Position - physiology</subject><subject>Tidal Volume</subject><issn>8755-6863</issn><issn>1099-0496</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2003</creationdate><recordtype>article</recordtype><sourceid>EIF</sourceid><recordid>eNp9kMtuFDEQRS0EIkNgwwcgb2CB1KTcbtvtJYryIIxCJAgRK8vjBxh62h3bDczf48kMZMeqHj5VdX0Rek7gDQFoj6ZpHmpGCX-AFgSkbKCT_CFa9IKxhvecHqAnOX8HqG-SPEYHpJUMoCML9OXEe2cKjh5PMZc5ORxHnFyeQtIlpg3282hKqE09WmxT-OlwGPGUXHFpXVOvx5JrHWLCJWIbsvmm01f3FD3yesju2T4eouvTk0_H583yw9m747fLxlBJeWNky53sVpb3lgjdMaN7C72UreOmE7ZnPWlX7Ypxb6Q1wgNwcB33ILgA2dND9Gq3d0rxdna5qHWV4IZBjy7OWQnKaf0qq-DrHWhSzDk5r6rotU4bRUBtjVRbI9WdkRV-sd86r9bO3qN75yrwcg_obPTgkx5NyPccIxzabiuP7LhfYXCb_5xUV1fXy7_Hm91MyMX9_jej0w_FBRVM3Vyeqe7j54v3p3CjzukfxWaabA</recordid><startdate>200310</startdate><enddate>200310</enddate><creator>Leipälä, J.A.</creator><creator>Bhat, R. Y.</creator><creator>Rafferty, G.F.</creator><creator>Hannam, S.</creator><creator>Greenough, A.</creator><general>Wiley Subscription Services, Inc., A Wiley Company</general><general>Wiley-Liss</general><scope>BSCLL</scope><scope>IQODW</scope><scope>CGR</scope><scope>CUY</scope><scope>CVF</scope><scope>ECM</scope><scope>EIF</scope><scope>NPM</scope><scope>AAYXX</scope><scope>CITATION</scope><scope>7X8</scope></search><sort><creationdate>200310</creationdate><title>Effect of posture on respiratory function and drive in preterm infants prior to discharge</title><author>Leipälä, J.A. ; Bhat, R. Y. ; Rafferty, G.F. ; Hannam, S. ; Greenough, A.</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c3936-c926e94bd68d17a45ca8d08992e6c47d85812b2b56fc9dc7f0060e46f07670983</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2003</creationdate><topic>Biological and medical sciences</topic><topic>Delivery. Postpartum. Lactation</topic><topic>Drive</topic><topic>Gynecology. Andrology. Obstetrics</topic><topic>Humans</topic><topic>Infant, Newborn</topic><topic>Infant, Premature - physiology</topic><topic>Maternal, fetal and perinatal monitoring</topic><topic>Medical sciences</topic><topic>Oxygen Inhalation Therapy</topic><topic>position</topic><topic>Posture - physiology</topic><topic>prematurity</topic><topic>prone</topic><topic>Prone Position - physiology</topic><topic>Respiration</topic><topic>sudden infant death syndrome</topic><topic>supine</topic><topic>Supine Position - physiology</topic><topic>Tidal Volume</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Leipälä, J.A.</creatorcontrib><creatorcontrib>Bhat, R. Y.</creatorcontrib><creatorcontrib>Rafferty, G.F.</creatorcontrib><creatorcontrib>Hannam, S.</creatorcontrib><creatorcontrib>Greenough, A.</creatorcontrib><collection>Istex</collection><collection>Pascal-Francis</collection><collection>Medline</collection><collection>MEDLINE</collection><collection>MEDLINE (Ovid)</collection><collection>MEDLINE</collection><collection>MEDLINE</collection><collection>PubMed</collection><collection>CrossRef</collection><collection>MEDLINE - Academic</collection><jtitle>Pediatric pulmonology</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Leipälä, J.A.</au><au>Bhat, R. Y.</au><au>Rafferty, G.F.</au><au>Hannam, S.</au><au>Greenough, A.</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Effect of posture on respiratory function and drive in preterm infants prior to discharge</atitle><jtitle>Pediatric pulmonology</jtitle><addtitle>Pediatr. Pulmonol</addtitle><date>2003-10</date><risdate>2003</risdate><volume>36</volume><issue>4</issue><spage>295</spage><epage>300</epage><pages>295-300</pages><issn>8755-6863</issn><eissn>1099-0496</eissn><coden>PEPUES</coden><abstract>Our objective was to determine the effect of posture on respiratory function and drive in prematurely born infants immediately prior to discharge. Twenty infants (6 oxygen‐dependent), median gestational age 29 weeks (range, 25–32), were studied at a median postconceptional age (PCA) of 36 weeks (range, 33–39). On 2 successive days, infants were studied both supine and prone; each posture was maintained for 3 hr. The order on each day in which postures were studied was randomized between infants. At the end of each 3‐hr period, tidal volume (Vt), inspiratory (Ti) and expiratory (Te) time, respiratory rate, and minute ventilation were measured. In addition, respiratory drive was assessed by measuring the pressure generated in the first 100 msec of an imposed airway occlusion (P0.1), and respiratory muscle strength was assessed by recording the maximum inspiratory pressure (Pimax) generated against an occlusion which was maintained for at least five breaths. Overall, tidal volume was higher (P < 0.05), but respiratory rate (P < 0.05), P0.1 (P < 0.05), and Pimax (P < 0.05) were lower in the prone compared to the supine position. There were no significant differences in Ti or Te between the two postures. In oxygen‐dependent infants only, minute volume was higher in the prone position (P < 0.05). In conclusion, posture‐related differences in respiratory function are present in prematurely born infants studied prior to neonatal unit discharge. Pediatr Pulmonol. 2003; 36:295–300. © 2003 Wiley‐Liss, Inc.</abstract><cop>Hoboken</cop><pub>Wiley Subscription Services, Inc., A Wiley Company</pub><pmid>12950041</pmid><doi>10.1002/ppul.10316</doi><tpages>6</tpages></addata></record> |
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| subjects | Biological and medical sciences Delivery. Postpartum. Lactation Drive Gynecology. Andrology. Obstetrics Humans Infant, Newborn Infant, Premature - physiology Maternal, fetal and perinatal monitoring Medical sciences Oxygen Inhalation Therapy position Posture - physiology prematurity prone Prone Position - physiology Respiration sudden infant death syndrome supine Supine Position - physiology Tidal Volume |
| title | Effect of posture on respiratory function and drive in preterm infants prior to discharge |
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