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Incidence of hypo- and hyper-capnia in a cross-sectional European cohort of ventilated newborn infants.
Uppsala University, Disciplinary Domain of Medicine and Pharmacy, Faculty of Medicine, Department of Women's and Children's Health, Pediatrics.
2013 (English)In: Archives of Disease in Childhood: Fetal and Neonatal Edition, ISSN 1359-2998, E-ISSN 1468-2052, Vol. 98, no 4, F323-6 p.Article in journal (Refereed) Published
Abstract [en]

OBJECTIVE: To determine the incidence of hypo- and hyper-capnia in a European cohort of ventilated newborn infants.

DESIGN AND SETTING: Two-point cross-sectional prospective study in 173 European neonatal intensive care units.

PATIENTS AND METHODS: Patient characteristics, ventilator settings and measurements, and blood gas analyses were collected for endotracheally ventilated newborn infants on two separate dates.

RESULTS: A total of 1569 blood gas analyses were performed in 508 included patients with a mean±SD Pco2 of 48±12 mm Hg or 6.4±1.6 kPa (range 17-104 mm Hg or 2.3-13.9 kPa). Hypocapnia (Pco2<30 mm Hg or 4 kPa) and hypercapnia (Pco2>52 mm Hg or 7 kPa) was present in, respectively, 69 (4%) and 492 (31%) of the blood gases. Hypocapnia was most common in the first 3 days of life (7.3%) and hypercapnia after the first week of life (42.6%). Pco2 was significantly higher in preterm infants (49 mm Hg or 6.5 kPa) than term infants (43 mm Hg or 5.7 kPa) and significantly lower during pressure-limited ventilation (47 mm Hg or 6.3±1.6 kPa) compared with volume-targeted ventilation (51 mm Hg or 6.8±1.7 kPa) and high-frequency ventilation (50 mm Hg or 6.7±1.7 kPa).

CONCLUSIONS: This study shows that hypocapnia is a relatively uncommon finding during neonatal ventilation. The higher incidence of hypercapnia may suggest that permissive hypercapnia has found its way into daily clinical practice.

Place, publisher, year, edition, pages
2013. Vol. 98, no 4, F323-6 p.
National Category
Pediatrics
Identifiers
URN: urn:nbn:se:uu:diva-210603DOI: 10.1136/archdischild-2012-302649ISI: 000330515000008PubMedID: 23241364OAI: oai:DiVA.org:uu-210603DiVA: diva2:663297
Note

Co-author: Richard Sindelar, Uppsala universitet, Institutionen för kvinnors och barns hälsa, forskargrupp Perinatal, neonatal och barnkardiologisk forskning/Hellström-Westas, ingår i Neovent Study Group.

Available from: 2013-11-11 Created: 2013-11-11 Last updated: 2017-12-06Bibliographically approved

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