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Permanent URL to this publication: http://dx.doi.org/10.5167/uzh-17074

Fischler, M; Speich, R; Dorschner, L; Nicod, L; Domenighetti, G; Tamm, M; Rochat, T; Aubert, J D; Ulrich, S; Swiss Society for Pulmonary Hypertension, (2008). Pulmonary hypertension in Switzerland: treatment and clinical course. Swiss Medical Weekly, 138(25-26):371-378.

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Abstract

The prognosis of pulmonary hypertension (PH), especially idiopathic pulmonary arterial hypertension (IPAH), has improved during the recent years. The Swiss Registry for PH represents the collaboration of the various centres in Switzerland dealing with PH and serves as an important tool in quality control. The objective of the study was to describe the treatment and clinical course of this orphan disease in Switzerland. METHODS: We analyzed data from 222 of 252 adult patients, who were included in the registry between January 1999 and December 2004 and suffered from either PAH, PH associated with lung diseases or chronic thromboembolic PH (CTEPH) with respect to the following data: NYHA class, six-minute walking distance (6-MWD), haemodynamics, treatments and survival. RESULTS: If compared with the calculated expected figures the one, two and three year mean survivals in IPAH increased from 67% to 89%, from 55% to 78% and from 46% to 73%, respectively. Most patients (90%) were on oral or inhaled therapy and only 10 patients necessitated lung transplantation. Even though pulmonary endarterectomy (PEA) was performed in only 7 patients during this time, the survival in our CTEPH cohort improved compared with literature data and seems to approach outcomes usually seen after PEA. The 6-MWD increased maximally by 52 m and 59 m in IPAH and CTEPH, respectively, but in the long term returned to or below baseline values, despite the increasing use of multiple specific drugs (overall in 51% of IPAH and 29% of CTEPH). CONCLUSION: Our national registry data indicate that the overall survival of IPAH and presumably CTEPH seems to have improved in Switzerland. Although the 6-MWD improved transiently, it decreased in the long term despite specific and increasingly combined drug treatment. Our findings herewith underscore the progressive nature of the diseases and the need for further intense research in the field.

Item Type:Journal Article, refereed, original work
Communities & Collections:04 Faculty of Medicine > University Hospital Zurich > Clinic and Policlinic for Internal Medicine
DDC:610 Medicine & health
Language:English
Date:2008
Deposited On:02 Mar 2009 12:50
Last Modified:28 Nov 2013 00:42
Publisher:EMH Swiss Medical Publishers
ISSN:0036-7672
Additional Information:Free full text article
Official URL:http://www.smw.ch/docs/pdf200x/2008/25/smw-11914.pdf
PubMed ID:18587689
Citations:Web of Science®. Times Cited: 9
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