What vascular anatomic alteration could occur as a consequence of hypoxia in a patient with RDS?

Name: What vascular anatomic alteration could occur as a consequence of hypoxia in a patient with RDS?
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Transient pulmonary hypertension can occur as a consequence of hypoxia in a patient with Respiratory Distress Syndrome (RDS) due to the hypoxic pulmonary vasoconstriction response, which aims to divert blood away from poorly oxygenated areas of the lung to better oxygenated areas.

What Vascular Anatomic Alteration Could Occur as a Consequence of Hypoxia