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  • Title: Calibration of respiratory inductive plethysmography in spontaneously breathing lambs and piglets.
    Author: Warren RH, Alderson SH.
    Journal: J Dev Physiol; 1986 Aug; 8(4):255-8. PubMed ID: 3760483.
    Abstract:
    Respiratory inductive plethysmography is a method of assessing breathing pattern without an airway connection. We employ a single position graphic calibration technique for gain factor calculation. Nineteen studies were completed in piglets and 20 studies were completed in lambs. The single position graphic technique utilizes selection of two breaths from a 20 s run of breaths with different ribcage/pneumotachograph and abdomen/pneumotachograph ratios for gain calculation. Validation of gains was performed by comparing volumes obtained simultaneously by respiratory inductive plethysmography and pneumotachography. Total study time ranged between 15 and 30 min. Results suggest that the single position graphic calibration technique provides time-efficient and accurate calibration of respiratory inductive plethysmography in the spontaneously breathing, sedated lamb and piglet, allowing respiratory inductive plethysmography to become an additional tool for ventilatory parameter measurement.
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