preductal

English

From pre- +‎ ductal.

preductal (not comparable)

Proximal to a ductus (for example, the ductus arteriosus).
- 2013, Jacob Mandell, Core Radiology: A Visual Approach to Diagnostic Imaging (Cambridge Medicine)‎^[1], 1st edition, →ISBN, page 769:
  Aortic coarctation is congenital focal narrowing of the aorta in the region of the ductus arteriosus. It may be preductal (proximal to the ductus, illustrated on the right [in the original]), periductal, or postductal.
- 2015 September 26, “Do sustained lung inflations during neonatal resuscitation affect cerebral blood volume in preterm infants? A randomized controlled pilot study”, in PLOS ONE‎^[2], →DOI:
  Criteria for endotracheal intubation were dissatisfying response to non-invasive ventilation defined as absent or insufficient increase in HR and/or preductal oxygen saturation (SpO₂) despite supplemental oxygen.