PubMed · 2771466
Periodic breathing parameter values depend on specific pneumogram scoring criteria.
Abstract
Periodic breathing (PB) has been related to both normal and pathologic respiratory system control in infants. However, comparison of the results of separate studies has been limited by the variability in procedures used by different investigators to quantify PB. In this study we scored 15 24-hr impedance pneumograms using the criteria of Parmelee et al. (Neuropediatrie 3:294-304, 1972), Christova-Gueorguieva (Biology of the Neonate 44:325-332, 1983), and Curzi-Dascalova, Kelly and Shannon (Pediatrics 63:355-360, 1979) and analyzed the resulting differences in several commonly used PB parameters. Scoring criteria consistently and significantly influenced three PB parameters: the %PB, number of episodes of PB/100 min recording time, and mean duration of PB episode length showed average changes of 74%, 179%, and 36%, respectively, when the methods with the most extreme differences were compared. In contrast, the duration of the longest episode of PB showed no significant change as a function of scoring criteria. Awareness of the particular method of PB scoring is therefore essential in interpreting PB parameter values.
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S F Glotzbach, P A Tansey, R B Baldwin, R L Ariagno. 1989. Periodic breathing parameter values depend on specific pneumogram scoring criteria.. https://doi.org/10.1002/ppul.1950070106
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