Effects of the Dive Reflex on Pulmonary Arterial and Pulmonary Artery Wedge Pressures in Subjects Who Have Experienced Immersion Pulmonary Edema
Abstract
Immersion pulmonary edema (IPE) is a condition in which fluid fills the lungs during diving or swimming, particularly in cold water. Some individuals appear to be predisposed to developing IPE. DNA samples will be collected and stored, in order to compare the genetic profiles of individuals who have experienced IPE with those who have not. In a few individuals who have experienced IPE, we plan to measure the effects of cold water immersion on the blood pressure, cardiac output and the pressures in the pulmonary artery. These will be compared with similar measurements already obtained from normal individuals.
Conditions: Immersion Pulmonary Edema (IPE), Swimming Induced Pulmonary Edema (SIPE).
Primary outcome: Pulmonary artery pressure during cold water immersion.
Enrollment: 10 participants.
How strong is the evidence?
Evidence Hub reads this as a clinical trial, done in people. Its evidence level is 3 of 5 (Moderate · trial / cohort / secondary analysis). Trials without a large randomized design, cohorts and secondary analyses give moderate evidence. Reported size: 10 participants or records.
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