preductal

preductal

English

Etymology

pre- +‎ ductal

Adjective

preductal (not comparable)

1. Proximal to a ductus (for example, the ductus arteriosus).
   • 2013, Mandell, Jacob, Core Radiology: A Visual Approach to Diagnostic Imaging (Cambridge Medicine)‎, 1 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, DOI:10.1371/journal.pone.0138964:

     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.

Related terms

• periductal
• postductal