{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,6,10]],"date-time":"2026-06-10T23:58:33Z","timestamp":1781135913627,"version":"3.54.1"},"reference-count":10,"publisher":"Georg Thieme Verlag KG","issue":"03","content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":["Z Geburtshilfe Neonatol"],"published-print":{"date-parts":[[2026,6]]},"abstract":"<jats:title>Abstract<\/jats:title>\n                  <jats:p>Infrared thermography (IRT) reveals significant temperature differences\n                        between central and peripheral body regions in preterm infants, despite\n                        stable core temperature. This suggests active thermoregulation.\n                        Photoplethysmography imaging (PPGI) enables contactless, spatially resolved\n                        perfusion measurement.<\/jats:p>\n                  <jats:p>Ten preterm infants [GA at birth: 26 weeks (24\u201328); postnatal age: 35 days\n                        (12\u201362); weight: 960\u2009g (670\u20131290)] were examined in prone (PR) and supine\n                        (SU) positions in the incubator. PPGI (amplitude) and IRT were recorded from\n                        arm, head, and thorax every 10\u2009s for 5\u2009min per position, with a 10 min\n                        washout. Heart rate (ECG) was monitored. Lin\u2019s concordance correlation\n                        coefficient was calculated.<\/jats:p>\n                  <jats:p>Central regions were ~1\u00b0C warmer than peripheral regions (p&lt;0.05),\n                        independent of position. PPGI amplitude remained constant (&lt;\u20091.0;\n                        p&gt;0.05) in all regions, with no correlation between IRT and PPGI\n                        (p&gt;0.05).<\/jats:p>\n                  <jats:p>In preterm infants, local perfusion remains stable despite regional\n                        temperature differences, suggesting that skin temperature is influenced more\n                        by passive heat diffusion than by perfusion changes.<\/jats:p>","DOI":"10.1055\/a-2840-5109","type":"journal-article","created":{"date-parts":[[2026,4,28]],"date-time":"2026-04-28T23:01:13Z","timestamp":1777417273000},"page":"222-227","source":"Crossref","is-referenced-by-count":0,"title":["For a better understanding of thermoregulation in premature\n                    infants\u226428 weeks of gestation: infrared thermography (IRT) and\n                    photoplethysmography imaging (PPGI) in a hybrid camera model as non-contact\n                    measuring methods"],"prefix":"10.1055","volume":"230","author":[{"given":"Milian","family":"Brasche","sequence":"additional","affiliation":[{"name":"Department of Neonatology, University Children\u2019s Hospital RWTH Aachen\n                    University, Aachen, Germany"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Markus","family":"L\u00fcken","sequence":"additional","affiliation":[{"name":"Philips Chair of Medical Information Technology, RWTH Aachen\n                    University, Aachen, Germany"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Steffen","family":"Leonhardt","sequence":"additional","affiliation":[{"name":"Philips Chair of Medical Information Technology, RWTH Aachen\n                    University, Aachen, Germany"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Thorsten","family":"Orlikowsky","sequence":"additional","affiliation":[{"name":"Department of Neonatology, University Children\u2019s Hospital RWTH Aachen\n                    University, Aachen, Germany"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Konrad","family":"Heimann","sequence":"additional","affiliation":[{"name":"Department of Neonatology, University Children\u2019s Hospital RWTH Aachen\n                    University, Aachen, Germany"}],"role":[{"vocabulary":"crossref","role":"author"}]}],"member":"194","published-online":{"date-parts":[[2026,4,28]]},"reference":[{"key":"ref1","doi-asserted-by":"publisher","DOI":"10.1038\/s41390-025-04469-0","article-title":"Next generation of non-contact and wireless vital sign monitoring technology in\n                    the neonatal intensive care unit: a systematic review","author":"E Senechal","year":"2025","journal-title":"Pediatr Res"},{"key":"ref2","doi-asserted-by":"publisher","first-page":"1442753","DOI":"10.3389\/fped.2024.1442753","article-title":"Emerging innovations in neonatal monitoring: a comprehensive review of progress\n                    and potential for non-contact technologies","volume":"12","author":"B A Krbec","year":"2024","journal-title":"Front Pediatr"},{"key":"ref3","doi-asserted-by":"publisher","first-page":"631","DOI":"10.1515\/bmt-2016-0025","article-title":"Remote vital parameter monitoring in neonatology \u2013 robust, unobstructive heart\n                    rate detection in a realistic clinical scenario","volume":"61","author":"N Blanik","year":"2016","journal-title":"Biomed Tech (Berl.)"},{"key":"ref4","first-page":"84","volume-title":"Neonatal Infrared Thermography Imaging","author":"A Abbas","year":"2012"},{"key":"ref5","doi-asserted-by":"crossref","first-page":"360","DOI":"10.1272\/jnms.71.360","article-title":"Fetal and neonatal thermoregulation","volume":"71","author":"H Asakura","year":"2004","journal-title":"J Nihon Med Sch"},{"key":"ref6","doi-asserted-by":"crossref","first-page":"783","DOI":"10.1136\/adc.66.7_Spec_No.783","article-title":"Temperature instability during nursing procedures in preterm neonates","volume":"66","author":"Q Mok","year":"1991","journal-title":"Arch Dis Child"},{"key":"ref7","volume-title":"Physiology, Temperature Regulation. [Updated 2023 Jul 30]","author":"E V Osilla","year":"2025"},{"key":"ref8","doi-asserted-by":"publisher","first-page":"613","DOI":"10.1515\/jpm-2012-0239","volume-title":"Infrared thermography for detailed registration of thermoregulation in premature\n                    infants","author":"K Heimann","year":"2013"},{"key":"ref9","doi-asserted-by":"publisher","first-page":"220","DOI":"10.1055\/s-0033-1361175","article-title":"Thermoregulation of premature infants during and after Skin-to-Skin Care","volume":"217","author":"K Heimann","year":"2013","journal-title":"Z Geburtsh Neonatol"},{"key":"ref10","doi-asserted-by":"publisher","first-page":"587","DOI":"10.1089\/wound.2015.0642","article-title":"Skin physiology of the neonate and infant: Clinical implications","volume":"4","author":"T Oranges","year":"2015","journal-title":"Adv Wound Care (New Rochelle)"}],"container-title":["Zeitschrift f\u00fcr Geburtshilfe und Neonatologie"],"original-title":[],"language":"de","link":[{"URL":"http:\/\/www.thieme-connect.de\/products\/ejournals\/pdf\/10.1055\/a-2840-5109.pdf","content-type":"unspecified","content-version":"vor","intended-application":"similarity-checking"}],"deposited":{"date-parts":[[2026,6,10]],"date-time":"2026-06-10T23:29:04Z","timestamp":1781134144000},"score":1,"resource":{"primary":{"URL":"http:\/\/www.thieme-connect.de\/DOI\/DOI?10.1055\/a-2840-5109"}},"subtitle":[],"short-title":[],"issued":{"date-parts":[[2026,4,28]]},"references-count":10,"journal-issue":{"issue":"03","published-online":{"date-parts":[[2026,6,5]]},"published-print":{"date-parts":[[2026,6]]}},"URL":"https:\/\/doi.org\/10.1055\/a-2840-5109","archive":["Portico","CLOCKSS"],"relation":{},"ISSN":["0948-2393","1439-1651"],"issn-type":[{"value":"0948-2393","type":"print"},{"value":"1439-1651","type":"electronic"}],"subject":[],"published":{"date-parts":[[2026,4,28]]}}}