کد مقاله کد نشریه سال انتشار مقاله انگلیسی نسخه تمام متن
6223963 1607470 2013 7 صفحه PDF دانلود رایگان
عنوان انگلیسی مقاله ISI
Effect of Nasal Continuous and Biphasic Positive Airway Pressure on Lung Volume in Preterm Infants
ترجمه فارسی عنوان
اثر فشار داخل مثانه دو طرفه و فشار مثبت بر حجم ریه در نوزادان نارس
موضوعات مرتبط
علوم پزشکی و سلامت پزشکی و دندانپزشکی پریناتولوژی (پزشکی مادر و جنین)، طب اطفال و بهداشت کودک
چکیده انگلیسی

ObjectiveTo monitor regional changes in end-expiratory lung volume (EELV), tidal volumes, and their ventilation distribution during different levels of nasal continuous positive airway pressure (nCPAP) and nasal biphasic positive airway pressure (BiPAP) in stable preterm infants.Study designBy using electrical impedance tomography and respiratory inductive plethysmography, we measured changes in EELV and tidal volumes in 22 preterm infants (gestational age 29.7 ± 1.5 weeks) during 3 nCPAP levels (2, 4, and 6 cmH2O) and unsynchronized BiPAP (nCPAP = 6 cmH2O; pressure amplitude = 3 cmH2O; frequency = 50/min; inspiration time = 0.5 seconds) at 10-minute intervals. We assessed the distribution of these volumes in ventral and dorsal chest regions by using electrical impedance tomography.ResultsEELV increased with increasing nCPAP with no difference between the ventral and dorsal lung regions. Tidal volume also increased, and a decrease in phase angle and respiratory rate was noted by respiratory induction plethysmography. At the regional level, electrical impedance tomography data showed a more dorsally oriented ventilation distribution. BiPAP resulted in a small increase in EELV but without changes in tidal volume or its regional distribution.ConclusionIncreasing nCPAP in the range of 2 to 6 cmH2O results in a homogeneous increase in EELV and an increase in tidal volume in preterm infants with a more physiologic ventilation distribution. Unsynchronized BiPAP does not improve tidal volume compared with nCPAP.

ناشر
Database: Elsevier - ScienceDirect (ساینس دایرکت)
Journal: The Journal of Pediatrics - Volume 162, Issue 4, April 2013, Pages 691-697
نویسندگان
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