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• W2171853275 abstract ":The role of echocardiography in the assessment of chronic aortic regurgitation. H. J. Paoloni, D. E. L. Wilcken and M. J. Dadd, Aust. N.Z. J. Med. 1977, 7, pp. 491 -496. Thirty-two patients with aortic regurgitation were assessed clinically and with echocardiography and were compared with 45 patients who proved to have normal cardiovascular function. When compared with normal subjects, patients with moderate and with severe aortic regurgitation had increased diastolic left ventricular internal dimensions determined by echocardiography –50 ± 0–3 cm (normal), 5-5 ± 0–6 cm (moderate) and 6-4 ± 0–6 cm (severe), (mean ± SD), respectively. In patients with aortic regurgitation and with “good” left ventricular function as demonstrated at angiography, left ventricular inward wall movement during systole was increased so that, as compared with the normal subjects, fractional shortening was higher in both moderate and severe aortic regurgitation– 34 ± 4% (normal), 39 ± 5% (moderate) and 40 ± 4% (severe) (mean ± SD), respectively. In patients with aortic regurgitation and impaired left ventricular function as demonstrated at angiography, there was reduced left ventricular wall motion shown with echocardiography; left ventricular internal diastolic dimensions were increased (6-5 ± 0–5 cm) and fractional shortening was greatly reduced (22 ± 7%). Echocardiography allows a non-invasive assessment of the severity of aortic regurgitation based on left ventricular size and extent of systolic shortening and identifies patients with aortic regurgitation and diminished left ventricular function. Sequential studies may detect changes in left ventricular function, thereby assisting in the accurate timing of aortic valve replacement." @default.
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• W2171853275 date "1977-10-01" @default.
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• W2171853275 title "The Role of Echocardiography in the Assessment of Chronic Aortic Regurgitation*" @default.
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• W2171853275 doi "https://doi.org/10.1111/j.1445-5994.1977.tb03370.x" @default.
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