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Non-Invasive Predictors of Short and Long-Term Survival in Dilated Cardiomyopathy

St. Francis Hospital and Medical Center, University of Connecticut School of Medicine, Hartford, Connecticut

Dilated cardiomyopathy (DCM) carries a poor prognosis. This study exam ined the non-invasive parameters that may be predictive of survival in two groups of patients, short-term survivors who died within one year of onset of symptoms (Group I, 6 patients) and long-term survivors who survived greater than one year of presentation (Group II, 16 patients). The M-mode echocardio gram (E), resting radionuclide ventricular function study (RNA) and electro cardiogram (ECG) were reviewed for factors that would differentiate between Group I and II. The E mean ventricular wall thickness in Group I was 0.6 cm and Group II 0.9 cm (p < 0.05), a hypertrophy-dilation index (mean thick ness/LVDd) was 0.09 for Group I and 0.12 for Group II (p < 0.05). There was no significant difference between Groups I and II in LVDd by E, RNA, LV ejection fraction, ECG (LVH, ventricular ectopy, conduction abnormalities).

Thus, the finding of a mean ventricular wall thickness of 0.9 cm and a hyper trophy-dilation index of greater than 0.10 by E was predictive of survival longer than one year. The ECG and RNA LV ejection fraction did not predict outcome.

Angiology, Vol. 35, No. 8, 494-499 (1984)
DOI: 10.1177/000331978403500804


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