EuroIntervention : journal of EuroPCR in collaboration with the Working Group on Interventional Cardiology of the European Society of Cardiology · 2018
Extensive revascularisation by balloon pulmonary angioplasty for chronic thromboembolic pulmonary hypertension beyond haemodynamic normalisation.
СтатьяНаблюдательное исследованиеНазвание и аннотация: Перевод пока не подготовлен
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Shinkura Yuto, Nakayama Kazuhiko, Yanaka Kenichi, Kinutani Hiroto, Tamada Naoki, Tsuboi Yasunori, Satomi-Kobayashi Seimi, Otake Hiromasa, Shinke Toshiro, Emoto Noriaki, Hirata Ken-Ichi
Аннотация
AIMS: Balloon pulmonary angioplasty (BPA) improves hemodynamics and exercise capacity in patients with chronic thromboembolic pulmonary hypertension (CTEPH). However, even after BPA many patients still suffered from exertional dyspnea. Our purpose is to clarify the clinical validity of extensive revascularization by BPA (ERBPA) beyond hemodynamic normalization.
METHODS AND RESULTS: 35 CTEPH patients with normalized or borderline mean pulmonary arterial pressure (mPAP) after BPA were retrospectively analyzed. We evaluated the clinical efficacy of ERBPA strategy in 15 patients (ERBPA group) by comparing with the natural course of 20 patients who could be followed without additional BPA (conventional BPA group). ERBPA reduced the number of pulmonary arterial segments with residual stenoses from 11.7±0.4 to 5.3±0.5 segments. Symptoms, six-minute walking distance, and VE/VCO2 slope were significantly improved in the ERBPA group but not the conventional BPA group, which indicated that this improvement was due to ERBPA and not merely a natural progression after hemodynamic normalization. Complications accompanied with ERBPA were fewer than that of the initial BPA therapy.
CONCLUSION: ERBPA targeting residual stenoses can safely ameliorate symptoms and exercise capacity by additional improvement of hemodynamics. The results encourage us to optimize the current BPA goal to be more aggressive.
METHODS AND RESULTS: 35 CTEPH patients with normalized or borderline mean pulmonary arterial pressure (mPAP) after BPA were retrospectively analyzed. We evaluated the clinical efficacy of ERBPA strategy in 15 patients (ERBPA group) by comparing with the natural course of 20 patients who could be followed without additional BPA (conventional BPA group). ERBPA reduced the number of pulmonary arterial segments with residual stenoses from 11.7±0.4 to 5.3±0.5 segments. Symptoms, six-minute walking distance, and VE/VCO2 slope were significantly improved in the ERBPA group but not the conventional BPA group, which indicated that this improvement was due to ERBPA and not merely a natural progression after hemodynamic normalization. Complications accompanied with ERBPA were fewer than that of the initial BPA therapy.
CONCLUSION: ERBPA targeting residual stenoses can safely ameliorate symptoms and exercise capacity by additional improvement of hemodynamics. The results encourage us to optimize the current BPA goal to be more aggressive.