Correlation of 12 lead ECG QRS score with severity of aortic stenosis.
Indian Heart J
;
1990 Jan-Feb; 42(1): 62-5
Artigo
em Inglês
| IMSEAR
| ID: sea-4207
ABSTRACT
The hemodynamic data and electrocardiograms of thirty-three patients of moderate to severe aortic stenosis were analysed retrospectively to find out if there was any correlation between 12 lead ECG-QRS score and left ventricular peak systolic pressure (LVPSP) and/or peak systolic gradient (PSG) across the aortic valve. The mean age of the study population was 33.33 (+/- 15.02SD) years, with the male to female ratio being 92. The mean 12 lead ECG-QRS score in these 33 patients was 281 mm (+/- 46.02SD), the mean LVPSP 203.52 mmHg (+/- 46.62SD) and the mean PSG across the aortic valve was 81.0 mmHg (+/- 41.62SD). There was good correlation of 12 lead ECG-QRS score with LVPSP (r = 0.47, P less than 0.001) and with PSG across the aortic valve (r = 0.58, P less than 0.001), latter being more significant. The best correlation was however found between 12 lead ECG-QRS score and PSG across the aortic valve in patients over 35 years of age (r = 0.88). In conclusion there is a direct relationship between 12 lead ECG-QRS score and peak systolic gradient across the aortic valve and the latter can be approximately calculated non-invasively with the help of regression equation- Peak systolic gradient (in mmHg) = 12 lead ECG-QRS score/3 - 10.6
Texto completo:
DisponíveL
Índice:
IMSEAR (Sudeste Asiático)
Assunto principal:
Estenose da Valva Aórtica
/
Feminino
/
Humanos
/
Masculino
/
Cateterismo Cardíaco
/
Criança
/
Pré-Escolar
/
Adolescente
/
Adulto
/
Eletrocardiografia
Idioma:
Inglês
Revista:
Indian heart j
Ano de publicação:
1990
Tipo de documento:
Artigo
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