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עמוד בית
Sun, 14.07.24

Original

IMAJ | volume 22

Journal 12, December 2020
pages: 752-756

Balloon Pulmonary Angioplasty for Inoperable Chronic Thromboembolic Pulmonary Hypertension: First Experience at the Israeli National CTEPH Referral Center

Summary

Background:

Chronic thromboembolic pulmonary hypertension (CTEPH) is a rare, distinct pulmonary vascular disease caused by chronic obstruction of major pulmonary arteries, which can be cured by pulmonary endarterectomy. However, many CTEPH patients are not surgical candidates. Balloon pulmonary angioplasty (BPA) is an emerging technique used to treat inoperable CTEPH.

Objectives:

To describe the first Israeli experience with BPA for inoperable CTEPH.

Methods:

In 2017 we established a BPA program at our institution. We reviewed the outcomes to date of BPA in our center.

Results:

Forty-seven BPA procedures were performed in five patients with inoperable CTEPH (4–17 procedures/patient). Mean pulmonary artery pressure improved in all patients (median decrease 17 mmHg, range 10–26 mmHg). Pulmonary vascular resistance also improved (median decrease 11 Woods Units/m2, range 8–16 Woods Units/m2). Cardiac output increased in 4 of 5 patients and decreased in one. Functional capacity improved from New York Heart Association (NYHA) III to II in four patients; one patient was NYHA II at baseline without change after BPA. Six-minute walking distance improved by a median of 97 meters. (range 21–197 meters). Hemodynamic and functional improvements were sustained at follow-up 5–11 months after the last BPA procedure. BPA enabled 2 of 3 patients treated with parenteral prostanoids to be switched to oral therapy. There were no major complications.

Conclusions:

We successfully established BPA as a treatment for inoperable CTEPH in our center. BPA resulted in hemodynamic and clinical improvements that were sustained over time.

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