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Results of one-year anticoagulation in patients with newly detected chronic thromboembolic pulmonary hypertension not treated with pulmonary endarterectomy.

Abstract：

INTRODUCTION:Currently pulmonary endarterectomy is considered the method of choice in patients with chronic thromboembolic pulmonary hypertension (CTEPH). It is not known if this option should be recommended in all suitable patients as it is highly variable with respect to prognosis. There is also doubt about selection of adequate time to refer patients with CTEPH for surgery. AIM:To establish whether some patients with CTEPH may clinically benefit from isolated anticoagulation with drugs and if the use of anticoagulation may have any impact on the time of patient referral for pulmonary endarterectomy. METHODS:The prospective analysis involved 29 patients (9 male, 20 female) aged 37 to 82 years, with pulmonary arterial systolic pressure ranging from 39 to 133 mmHg and newly diagnosed CTEPH who had not been treated with pulmonary endarterectomy and were not receiving anticoagulation. Survival, functional status according to NYHA classification, duration of thromboembolism, exercise tolerance and echocardiographic parameters of right ventricular overload before and at one year after initiation of therapy with anticoagulants were evaluated. RESULTS:During follow-up, 3 patients with PASP ranging from 120 to 133 mmHg died. In 26 patients with PASP 39-115 mmHg, who survived, improvement in echocardiographic parameters of right ventricular overload, better exercise tolerance as well as functional status according to NYHA classification was observed. In 12 survivors, pulmonary pressure returned to normal. CONCLUSIONS:The results of this study suggest that favourable effects of isolated anticoagulation are likely in patients with newly detected CTEPH, mild and moderate baseline pulmonary hypertension and acceptable exercise tolerance. They also indicate the necessity of anticoagulation in these patients prior to possible referral for pulmonary endarterectomy.

journal_name

Kardiol Pol

journal_title

Kardiologia polska

authors

Romaszkiewicz R,Lewczuk J,Piszko P,Jagas J,Lenartowska L,Ludwik B,Sawa W,Wrabec K

subject

Has Abstract

pub_date

2006-11-01 00:00:00

pages

1196-202; discussion 1203-4

issue

eissn

0022-9032

issn

1897-4279

pii

7136

journal_volume

pub_type

临床试验,杂志文章

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Results of one-year anticoagulation in patients with newly detected chronic thromboembolic pulmonary hypertension not treated with pulmonary endarterectomy.