Biological Sex and CTEPH-related RV Dysfunction and Recovery (BIOSPHeRe)

Inclusion criteria * Adult (≥18 years old) patients diagnosed with CTEPH per current guideline standard42 * Subject must have a baseline TTE (within 3 months of diagnosis) with adequate images for RVGLS analysis * Subject must have a right heart catheterization (RHC) at the time of diagnosis * To be included in the Aim 2 analysis, patients must undergo PTE surgery and have a TTE performed 3-9 months after surgery with adequate images for RVGLS strain analysis Exclusion criteria * Unclear or mixed PH diagnosis as designated by an expert clinician at Intermountain PH center * Any subjects \<18 years of age * Patients diagnosed during pregnancy * Patients without a TTE and RHC at time of diagnosis