Clinical and laboratory observation
Postural effects on pulmonary function and heart rate of preterm infants with lung disease*

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Cited by (38)

  • Respiratory variability in preterm and term infants: Effect of sleep state, position and age

    2011, Respiratory Physiology and Neurobiology
    Citation Excerpt :

    When considering a range of normal for inter-breath intervals, to facilitate the definition of apnoea, factors that might influence the variability of that range should be examined. Previous studies assessing the effect of position on respiratory variables in preterm and term infants have compared prone and supine positions in a variety of patient groups but have not always controlled for sleep state (Martin et al., 1979, 1995; Wagaman et al., 1979; Baird et al., 1991; Mendoza et al., 1991; Heimler et al., 1992; Fox et al., 1993; Kurlak et al., 1994; Goto et al., 1999; Sahni et al., 1999; Kearney et al., 2000; Keene et al., 2000; Bhat et al., 2003; Leipala et al., 2003; Bhat et al., 2006). Changes attributed to prone positioning have included improvements in oxygenation, decreased chest wall movement asynchrony, improved lung compliance and increased tidal volume.

  • Neuromotor development and the physiologic effects of positioning in very low birth weight infants

    2002, Journal of obstetric, gynecologic, and neonatal nursing : JOGNN / NAACOG
    Citation Excerpt :

    The prone position has consistently been shown to improve gaseous exchange by increasing the partial pressure of oxygen (PaO2) and end tidal carbon dioxide, decreasing the partial pressure of carbon dioxide (PaCO2), and decreasing respiratory rate (Fox & Molesky, 1990; Martin, Herrell, Rubin, & Fanaroff, 1979; Mendoza, Roberts, & Cook, 1991). Of the studies identified in Table 1, findings from Fox and Molesky (1990), Martin et al. (1979), and Mendoza et al. (1991) are the most compelling and are strengthened by sound methods, use of randomization, and sound measurement techniques. Another widely studied measure of respiratory function is synchrony of the chest wall during respiration.

  • Decreased activity and oxygen desaturation in prone ventilated preterm infants during the first postnatal week

    2002, Heart and Lung: Journal of Acute and Critical Care
    Citation Excerpt :

    Prone placement might contribute to better SpO2 in other ways. In a crossover design with ventilated preterm infants with RDS, inspiratory resistance during ventilation was lower when the infants were prone.15 Similarly, ventilated preterm infants less than 1250 g and greater than 2 weeks postnatal age had decreased respiratory resistance when prone during quiet sleep.12

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Presented at the meeting of the Southern Society for Pediatric Research, New Orleans, La., Jan. 18, 1990.

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