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A Novel Technique of Balloon Pulmonary Angioplasty for the Treatment of Total Occlusion Lesions.

ABSTRACT: Balloon pulmonary angioplasty (BPA) has been recognized as an alternative therapeutic approach for patients with inoperative chronic thromboembolic pulmonary hypertension and those with residual pulmonary hypertension after pulmonary endarterectomy. However, the safe and successful treatment rate for a total occlusion lesion (TOL) using BPA is low, mainly because vessels distal to the occlusion are invisible by angiogram. Here, we present the case of a 53-year-old woman with chronic thromboembolic pulmonary hypertension with successfully recanalization of a TOL by use of BPA with the aid of intracardiac echocardiography. The intracardiac echocardiography-assisted wire passage technique may be a promising method for safe and reliable TOL treatment using BPA.

SUBMITTER: Minatsuki S

PROVIDER: S-EPMC8712586 | biostudies-literature | 2021 Dec

REPOSITORIES: biostudies-literature

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A Novel Technique of Balloon Pulmonary Angioplasty for the Treatment of Total Occlusion Lesions.

Minatsuki Shun S Kiyosue Arihiro A Shimizu Yu Y Tanikawa Izumi I Murasawa Takahide T Hirose Kazutoshi K Saito Akihito A Yagi Hiroki H Takeda Norifumi N Hatano Masaru M Ando Jiro J Komuro Issei I

CJC open 20210713 12

Balloon pulmonary angioplasty (BPA) has been recognized as an alternative therapeutic approach for patients with inoperative chronic thromboembolic pulmonary hypertension and those with residual pulmonary hypertension after pulmonary endarterectomy. However, the safe and successful treatment rate for a total occlusion lesion (TOL) using BPA is low, mainly because vessels distal to the occlusion are invisible by angiogram. Here, we present the case of a 53-year-old woman with chronic thromboembol ...[more]

PMID: 34993464

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Project description:BackgroundThe effects of the drug-coated balloon (DCB)-only strategy in the treatment of chronic total occlusion (CTO) coronary lesions remain controversial. Patients who underwent an in-stent restenosis (ISR) CTO percutaneous coronary intervention (PCI) had a significantly poorer prognosis than those who underwent a de novo CTO PCI. This retrospective analysis evaluated the efficacy and safety of the DCB-only strategy in the treatment of CTO lesions, and the factors associated with adverse events in the patients.MethodsPatients with CTO lesions who were treated with the DCB-only strategy from 1 January 2016 to 1 May 2021 were retrospectively enrolled in this study. The patients were stratified into the ISR and de novo (primary) groups. All the patients were re-admitted to the hospital and underwent clinical and/or angiographic follow-up.ResultsOf the 68 patients with CTO lesions, 38 (55.9%) were categorized as having ISR, and 30 (44.1%) were categorized as having de novo lesions. The outcomes measured included target lesion revascularization (TLR), lumen gain after intervention, and late lumen loss (LLL). After an average follow-up period of 16 months, a total of 15 patients experienced target lesion failure (13 in the ISR group and 2 in the de novo group). The rate of major adverse cardiac events (MACEs) was significantly lower in the de novo group than the ISR group (10% vs. 39%, P=0.004). There was a significant difference in LLL between the two groups, with the de novo group showing a decrease (-0.04±0.83 mm) and the ISR group showing an increase (0.97±1.45 mm) (P=0.03). The univariable Cox proportional hazard analyses revealed that the incidence of TLR was independently associated with the stenosis type (either ISR or de novo lesions) [odds ratio (OR): 7.28; 95% confidence interval (CI): 1.494-35.464; P=0.01]. Male gender (OR: 3.726; 95% CI: 1.014-12.818; P=0.03) and body mass index (BMI) (OR: 1.246; 95% CI: 1.022-1.518, P=0.03) were also associated with the incidence of TLR. However, after adjusting for the variables of age, gender, and BMI, no significant association was found between MACE occurrence and ISR (OR: 4.156, 95% CI: 0.734-23.522; P=0.11).ConclusionsTreatment using the DCB-only strategy was found to be beneficial for patients suffering from CTO coronary lesions, especially those presenting with de novo lesions.

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A Novel Technique of Balloon Pulmonary Angioplasty for the Treatment of Total Occlusion Lesions.

Publications

A Novel Technique of Balloon Pulmonary Angioplasty for the Treatment of Total Occlusion Lesions.

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