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Successful right heart remodelling and subsequent pregnancy in a patient with chronic thromboembolic pulmonary hypertension undergoing balloon pulmonary angioplasty: a case report.

ABSTRACT: To date, the management of pregnancy in patients with chronic thromboembolic pulmonary hypertension (CTEPH) and the associated risk of maternal mortality have not been established. Although balloon pulmonary angioplasty (BPA) in patients with CTEPH is still an emerging procedure, this approach represents a promising alternative to pulmonary endarterectomy (PEA), especially in patients with inoperable CTEPH. We present a case of a 34-year-old woman with CTEPH who desired to have a child. Right heart catheterization showed a mean pulmonary artery pressure of 54 mmHg. Since the lesions were observed in the distal part of subsegmental pulmonary arteries, there was no indication for PEA. After improvement in her haemodynamic status by BPA, she became pregnant. At 40 weeks of gestation, a normal baby was delivered vaginally. Both mother and baby have made satisfactory progress. In cases in which the haemodynamic status is improved by effective BPA, pregnancy and childbirth may be possible, even in patients with CTEPH.

SUBMITTER: Ikeda N

PROVIDER: S-EPMC6601160 | biostudies-literature | 2019 Jun

REPOSITORIES: biostudies-literature

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Successful right heart remodelling and subsequent pregnancy in a patient with chronic thromboembolic pulmonary hypertension undergoing balloon pulmonary angioplasty: a case report.

Ikeda Nobutaka N Hatano Masaru M Nagamatsu Takeshi T Nakamura Masato M

European heart journal. Case reports 20190601 2

<h4>Background</h4>To date, the management of pregnancy in patients with chronic thromboembolic pulmonary hypertension (CTEPH) and the associated risk of maternal mortality have not been established. Although balloon pulmonary angioplasty (BPA) in patients with CTEPH is still an emerging procedure, this approach represents a promising alternative to pulmonary endarterectomy (PEA), especially in patients with inoperable CTEPH.<h4>Case summary</h4>We present a case of a 34-year-old woman with CTEP ...[more]

PMID: 31449621

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Project description:Objective:Inoperable chronic thromboembolic pulmonary hypertension (CTEPH) managed medically has a poor prognosis. Balloon pulmonary angioplasty (BPA) offers a new treatment for inoperable patients. The national BPA service for the UK opened in October 2015 and we now describe the treatment of our initial patient cohort. Methods:Thirty consecutive, inoperable, anatomically suitable, symptomatic patients on stable medical therapy for CTEPH were identified and offered BPA. They initially underwent baseline investigations including Cambridge Pulmonary Hypertension Outcome Review (CAMPHOR) quality of life (QoL) questionnaire, cardiopulmonary exercise test, 6 min walk distance (6MWD), transthoracic echocardiography, N-terminal probrain natriuretic peptide (NT pro-BNP) and right heart catheterisation. Serial BPA sessions were then performed and after completion, the treatment effect was gauged by comparing the same investigations at 3 months follow-up. Results:A median of 3 (IQR 1-6) BPA sessions per patient resulted in a significant improvement in functional status (WHO functional class ≥3: 24 vs 4, p<0.0001) and QoL (CAMPHOR symptom score: 8.7±5.4 vs 5.6±6.1, p=0.0005) with reductions in pulmonary pressures (mean pulmonary artery pressure: 44.7±11.0 vs 34.4±8.3 mm Hg, p<0.0001) and resistance (pulmonary vascular resistance: 663±281 vs 436±196 dyn.s.cm-5, p<0.0001). Exercise capacity improved (minute ventilation/carbon dioxide production: 55.3±12.2 vs 45.0±7.8, p=0.03 and 6MWD: 366±107 vs 440±94 m, p<0.0001) and there was reduction in right ventricular (RV) stretch (NT pro-BNP: 442 (IQR 168-1607) vs 202 (IQR 105-447) pg/mL, p<0.0001) and dimensions (mid RV diameter: 4.4±1.0 vs 3.8±0.7 cm, p=0.002). There were no deaths or life-threatening complications and the mild-moderate per-procedure complication rate was 10.5%. Conclusions:BPA is safe and improves the functional status, QoL, pulmonary haemodynamics and RV dimensions of patients with inoperable CTEPH.

Project description:BackgroundThe contemporary outcome of balloon pulmonary angioplasty (BPA) and pulmonary endarterectomy (PEA) in patients with chronic thromboembolic pulmonary hypertension (CTEPH) are unclear.ObjectivesThis study aimed to clarify the characteristics and outcomes of CTEPH patients treated with BPA and PEA in Japan.MethodsAmong 1,270 participants enrolled between 2018 and 2023 in the CTEPH AC (Chronic Thromboembolic Pulmonary Hypertension Anticoagulant) registry, a Japanese nationwide CTEPH registry, 369 treatment-naive patients (BPA strategy: n = 313; PEA strategy: n = 56) and 690 on-treatment patients (BPA strategy: n = 561; PEA strategy: n = 129) were classified according to the presence of prior reperfusion therapy. Morbidity and mortality events (all-cause death, rescue mechanical reperfusion therapy, and/or initiation of parenteral pulmonary vasodilators), pulmonary hemodynamics, exercise tolerance, and relevant laboratory test results were evaluated.ResultsThe BPA strategy was chosen in older patients than the PEA strategy (mean age, BPA vs PEA: 66.5 ± 12.6 years vs 62.5 ± 11.8 years; P = 0.028). Median follow-up period was 615 (Q1-Q3: 311-997) days in treatment-naive patients and 1,136 (Q1-Q3: 684-1,300) days in on-treatment patients. BPA strategy had as acceptable morbidity and mortality as PEA strategy (5-year morbidity and mortality event rate, BPA vs PEA: 10.2% [95% CI: 5.2%-19.5%] vs 16.1% [95% CI: 4.3%-50.6%] in treatment-naive patients; 9.7% [95% CI: 6.7%-13.8%] vs 6.9% [95% CI: 2.7%-17.3%] in on-treatment patients), with greater improvement of renal function; glomerular filtration rate in propensity score-matched population (difference between change: 4.9 [95% CI: 0.5-9.3] mL/min/1.73 m2; P = 0.030).ConclusionsBPA strategy was more frequently chosen in older patients compared with PEA strategy and showed acceptable outcomes for efficacy with greater advantage for improvement in renal function. (Multicenter registry of chronic thromboembolic pulmonary hypertension in Japan; UMIN000033784).

Dataset Information

Successful right heart remodelling and subsequent pregnancy in a patient with chronic thromboembolic pulmonary hypertension undergoing balloon pulmonary angioplasty: a case report.

Publications

Successful right heart remodelling and subsequent pregnancy in a patient with chronic thromboembolic pulmonary hypertension undergoing balloon pulmonary angioplasty: a case report.

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