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a Department of
Internal Medicine, Geriatrics, Cardiovascular Pathology and Cardiac
Surgery, University of Federico II, Naples, Italy, b Institute of Clinical Medicine and Rheumatology,
Second University of Naples, Italy, c Telethon Foundation, Rome,
Italy
Correspondence to: Professor G Valentini, Cattedra di Reumatologia, Seconda Università di Napoli, Policlinico Via Pansini 5, 80131, Naples, Italy
Accepted for publication 21 September 1999
OBJECTIVES
To
investigate right ventricular diastolic function in systemic sclerosis
(SSc) and its relation to clinical features of the disease.
METHODS
Seventy seven
unselected SSc patients and 33 healthy subjects were submitted to
echocardiography and echo Doppler study to assess left and right
systolic as well diastolic function and to estimate maximal arterial
systolic pulmonary pressure (PAP). In addition, the patients were
investigated to define the SSc subset and the extent of skin and
internal organ involvement.
RESULTS
An abnormal
right ventricular filling, as expressed by an inverted tricuspidal (Tr)
E/A ratio (Tr E/A ratio <1), was detected in 31 of the 77 SSc patients
(40%) and in 0 of the 36 controls ( p<0.001 ). All the 31 patients
with an inverted Tr E/A ratio were found to have a PAP > 30 mm Hg.
Twenty resulted to have an inverted mitral (Mit) E/A ratio (Mit E/A
ratio <1), indicating an abnormal left ventricular filling. In
multiple regression analysis, Tr E/A ratio resulted to be independently
correlated to both PAP (r=
0.35;p<0.003)
and Mit E/A ratio (r=0.39;p<0.001).
CONCLUSIONS
This study
points out an impaired right ventricular filling in a significant
percentage of SSc patients whatever the subset. This alteration is
independently correlated to both PAP and left ventricular filling abnormalities.
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