Document Detail


Disturbed right ventricular diastolic function in patients with systemic sclerosis: a Doppler tissue imaging study.
MedLine Citation:
PMID:  16100164     Owner:  NLM     Status:  MEDLINE    
Abstract/OtherAbstract:
BACKGROUND: Cardiopulmonary involvement in patients with systemic sclerosis (SSc) carries a poor prognosis, mainly due to pulmonary hypertension and right-heart failure. To date, right ventricular (RV) involvement has not been studied in detail. We therefore assessed RV function in patients with SSc and related the findings to the clinical features of the disease. METHOD: Twenty-six consecutive patients (21 women) with SSc (mean age, 56 +/- 15 years [+/- SD]) and 25 healthy, age-matched control subjects (21 women) were studied. Doppler echocardiography including Doppler tissue imaging was used to evaluate cardiac function. Pulmonary function was also studied. RESULTS: Compared with control subjects, RV free wall thickness (5.8 +/- 1.7 mm vs 3.7 +/- 1.1 mm, p < 0.001) and right atrial (RA) systolic area (15.9 +/- 3.7 cm2 vs 13.0 +/- 2.3 cm2, p < 0.01) were increased in patients with SSc, while the global early diastolic/atrial component velocity ratio was reduced (1.2 +/- 0.4 vs 1.7 +/- 0.6, p < 0.01). The global isovolumic relaxation time (IVRT) [64 +/- 23 ms vs 39 +/- 13 ms, p < 0.001] and regional IVRT (83 +/- 40 ms vs 46 +/- 24 ms, p < 0.001) were prolonged in patients vs control subjects, whereas the RV global filling time was reduced (454 +/- 122 ms vs 548 +/- 104 ms, p < 0.01). RV systolic function and pulmonary pressures at rest were similar in the two groups, but the pulmonary artery acceleration time was reduced (119 +/- 34 ms vs 141 +/- 29 ms, p < 0.05) in patients compared to control subjects. Left ventricular function did not differ between the two groups. CONCLUSION: Patients with SSc exhibit altered RV diastolic function together with an increase in RV wall thickness and RA area. These findings appear to be early markers of RV disturbance, probably in response to intermittent pulmonary arterial hypertension.
Authors:
Per Lindqvist; Kenneth Caidahl; Grete Neuman-Andersen; Cecilia Ozolins; Solbritt Rantapää-Dahlqvist; Anders Waldenström; Elsadig Kazzam
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Publication Detail:
Type:  Journal Article    
Journal Detail:
Title:  Chest     Volume:  128     ISSN:  0012-3692     ISO Abbreviation:  Chest     Publication Date:  2005 Aug 
Date Detail:
Created Date:  2005-08-15     Completed Date:  2005-09-06     Revised Date:  2006-08-10    
Medline Journal Info:
Nlm Unique ID:  0231335     Medline TA:  Chest     Country:  United States    
Other Details:
Languages:  eng     Pagination:  755-63     Citation Subset:  AIM; IM    
Affiliation:
Department of Clinical Medicine, Umeå University Hospital, Umeå, Sweden.
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MeSH Terms
Descriptor/Qualifier:
Adult
Aged
Diastole
Echocardiography, Doppler*
Female
Humans
Male
Middle Aged
Scleroderma, Systemic / complications*,  ultrasonography*
Ventricular Dysfunction, Right / etiology*,  ultrasonography*
Comments/Corrections
Comment In:
Chest. 2006 Jul;130(1):302   [PMID:  16840422 ]

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