{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,4,10]],"date-time":"2026-04-10T06:08:06Z","timestamp":1775801286416,"version":"3.50.1"},"reference-count":18,"publisher":"American Academy of Pediatrics (AAP)","issue":"4","content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":[],"published-print":{"date-parts":[[1997,10,1]]},"abstract":"<jats:p>Objective.\u2003We investigated whether nursing in the head elevated tilt position (HETP), compared with the horizontal position, has any effect on the incidence of bradycardic and hypoxemic episodes in preterm infants.<\/jats:p><jats:p>Methods.\u2003Twelve spontaneously breathing preterm infants with idiopathic recurrent apnea were studied in a randomized controlled crossover trial. Nine infants were treated with aminophylline. Each spent a total of 24 hours in the horizontal prone position and a total of 24 hours in HETP (prone, 15\u00b0). The position was changed in random order every 6 hours. Thoracic impedance, heart rate, and arterial oxygen saturation were recorded continuously. The frequency of isolated hypoxemia (arterial saturation &amp;lt;80%), of isolated bradycardia (heart rate &amp;lt;90 beats per minute), and of mixed events was analyzed and compared without knowledge of the allocated position.<\/jats:p><jats:p>Results.\u2003In total, there were significantly fewer bradycardic and\/or hypoxemic episodes (28.2%) in HETP compared with the horizontal position (mean difference, 13.35 episodes\/24 hours; 95% confidence interval [CI]: 5.9- 20.8). The decrease was largest for isolated hypoxemic episodes (48.5%; mean difference, 11.74 episodes\/24 hours; 95% CI: 6.1\u201317.4). Isolated bradycardic episodes (mean difference, 2.27 episodes\/24 hours; 95% CI: \u22120.78\u20135.31) and mixed events were not decreased significantly in HETP.<\/jats:p><jats:p>Conclusions.\u2003Nursing in a moderately tilted position (15\u00b0) reduces hypoxemic events in preterm infants. This intervention is easy to apply, quickly reversible, and can be combined with drugs such as aminophylline.<\/jats:p>","DOI":"10.1542\/peds.100.4.622","type":"journal-article","created":{"date-parts":[[2004,8,13]],"date-time":"2004-08-13T23:40:17Z","timestamp":1092440417000},"page":"622-625","source":"Crossref","is-referenced-by-count":49,"title":["Effect of Nursing in the Head Elevated Tilt Position (15\u00b0) on the Incidence of Bradycardic and Hypoxemic Episodes in Preterm Infants"],"prefix":"10.1542","volume":"100","author":[{"given":"Oskar G.","family":"Jenni","sequence":"first","affiliation":[{"name":"1 From the Neonatal Clinic, University Hospital, Zurich, Switzerland."}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Kurt","family":"von Siebenthal","sequence":"additional","affiliation":[{"name":"1 From the Neonatal Clinic, University Hospital, Zurich, Switzerland."}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Martin","family":"Wolf","sequence":"additional","affiliation":[{"name":"1 From the Neonatal Clinic, University Hospital, Zurich, Switzerland."}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Matthias","family":"Keel","sequence":"additional","affiliation":[{"name":"1 From the Neonatal Clinic, University Hospital, Zurich, Switzerland."}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Gabriel","family":"Duc","sequence":"additional","affiliation":[{"name":"1 From the Neonatal Clinic, University Hospital, Zurich, Switzerland."}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Hans U.","family":"Bucher","sequence":"additional","affiliation":[{"name":"1 From the Neonatal Clinic, University Hospital, Zurich, Switzerland."}],"role":[{"role":"author","vocabulary":"crossref"}]}],"member":"417","published-online":{"date-parts":[[1997,10,1]]},"reference":[{"key":"2021120904393461100_B1"},{"key":"2021120904393461100_B2","doi-asserted-by":"crossref","first-page":"376","DOI":"10.1136\/adc.66.4_Spec_No.376","article-title":"Effects of hypoxaemia and bradycardia on neonatal cerebral haemodynamics.","volume":"66","author":"Livera","year":"1991","journal-title":"Arch Dis Child."},{"key":"2021120904393461100_B3","doi-asserted-by":"crossref","first-page":"333","DOI":"10.1542\/peds.76.3.333","article-title":"Episodes of apnea and bradycardia in the preterm newborn: impact on cerebral circulation.","volume":"76","author":"Perlman","year":"1985","journal-title":"Pediatrics."},{"key":"2021120904393461100_B4"},{"key":"2021120904393461100_B5","doi-asserted-by":"crossref","first-page":"312","DOI":"10.1136\/adc.67.3.312","article-title":"Effect of positioning on the breathing pattern in premature 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