Pulmonary hypertension in Switzerland: treatment and clinical course.

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Version: Final published version
Serval ID
serval:BIB_4FBA059B8F19
Type
Article: article from journal or magazin.
Collection
Publications
Institution
Title
Pulmonary hypertension in Switzerland: treatment and clinical course.
Journal
Swiss medical weekly
Author(s)
Fischler M., Speich R., Dorschner L., Nicod L., Domenighetti G., Tamm M., Rochat T., Aubert J.D., Ulrich S.
Working group(s)
Swiss Society for Pulmonary Hypertension
ISSN
1424-7860 (Print)
ISSN-L
0036-7672
Publication state
Published
Issued date
28/06/2008
Peer-reviewed
Oui
Volume
138
Number
25-26
Pages
371-378
Language
english
Notes
Publication types: Comparative Study ; Journal Article ; Multicenter Study ; Research Support, Non-U.S. Gov't
Publication Status: ppublish
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.
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.
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).
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.

Keywords
Adult, Age Distribution, Antihypertensive Agents/therapeutic use, Female, Follow-Up Studies, Humans, Hypertension, Pulmonary/epidemiology, Hypertension, Pulmonary/physiopathology, Hypertension, Pulmonary/therapy, Incidence, Lung Transplantation/methods, Male, Middle Aged, Prognosis, Prospective Studies, Pulmonary Wedge Pressure/physiology, Risk Factors, Sex Distribution, Survival Rate/trends, Switzerland/epidemiology, Time Factors
Pubmed
Web of science
Create date
14/10/2009 12:09
Last modification date
20/08/2019 14:05
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