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Life expectancy in the Marfan syndrome
D I Silverman1, K J Burton, J Gray
1Division of Cardiology, University of Connecticut Health Center, Farmington 06030.
The American Journal of Cardiology
|January 15, 1995
Summary
Life expectancy for Marfan syndrome patients has significantly increased since 1972, with survival rates improving due to advances in cardiovascular surgery and medical treatments. This study highlights a greater than 25% increase in life expectancy for individuals with this genetic disorder.
Area of Science:
- Cardiovascular Medicine
- Genetics
- Medical Prognosis
Background:
- Marfan syndrome is a genetic disorder associated with significantly shortened lifespan, primarily due to cardiovascular complications.
- Previous data from 1972 indicated a markedly reduced survival rate in affected individuals.
Purpose of the Study:
- To evaluate changes in survival rates for Marfan syndrome patients since 1972.
- To determine the impact of medical and surgical treatments on prognosis in Marfan syndrome.
Main Methods:
- Survival curves were analyzed for 417 patients diagnosed with Marfan syndrome across four referral centers.
- Data included birth date, age at death, cardiovascular surgery, and beta-blocker treatment.
Main Results:
- Mean age at death increased significantly from 32 years in 1972 to 41 years in the current study.
- Median survival improved from 48 years in 1972 to 72 years by 1993.
- Surgical intervention after 1980 correlated with significantly improved survival rates compared to earlier surgeries.
Conclusions:
- Life expectancy for Marfan syndrome patients has increased by over 25% since 1972.
- Improvements are attributed to advances in cardiovascular surgery, medical therapies like beta-blockers, and potentially earlier diagnosis of milder cases.
- Treatment, particularly cardiovascular surgery, has demonstrably altered the prognosis for Marfan syndrome patients, enhancing survival probabilities.