Long-term outcome after pulmonary endarterectomy
Angelo G Corsico1, Andrea M D'Armini, Isa Cerveri
1Division of Respiratory Diseases, Fondazione IRCCS Policlinico San Matteo, Pavia, Italy .
Summary
Pulmonary endarterectomy (PEA) offers excellent long-term survival and cardiopulmonary function recovery for patients with chronic thromboembolic pulmonary hypertension (CTEPH). Most patients experience improved functional capacity and hemodynamics following PEA, though some may require ongoing management.
Area of Science:
- Cardiology
- Pulmonology
- Thoracic Surgery
Background:
- Limited long-term follow-up data exist for cardiopulmonary function post-pulmonary endarterectomy (PEA).
- Pulmonary endarterectomy (PEA) is the primary surgical intervention for chronic thromboembolic pulmonary hypertension (CTEPH).
Purpose of the Study:
- To prospectively assess the long-term outcomes of patients with CTEPH who underwent PEA.
- To evaluate the sustained effects of PEA on cardiopulmonary function and survival.
Main Methods:
- A cohort of 157 patients with CTEPH underwent PEA between 1994 and 2006.
- Patients were assessed pre-operatively and at multiple intervals up to 4 years post-surgery using clinical, hemodynamic, spirometric, and exercise tests.
Main Results:
- Cumulative survival reached 84% with a low rate of late adverse events (death, lung transplant, re-operation).
- Significant improvements in NYHA class, hemodynamics, and gas exchange were observed within 3 months and sustained long-term.
- Exercise tolerance progressively increased, although a subset of patients showed persistent pulmonary vascular resistance or hypoxemia.
Conclusions:
- Long-term survival and cardiopulmonary function recovery after PEA are generally excellent for CTEPH patients.
- While most patients achieve substantial functional improvement, careful monitoring is warranted for those with residual pulmonary hypertension or hypoxemia.
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