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Does acromegaly enhance mortality?

John Ayuk1, Michael C Sheppard

  • 1Division of Medical Sciences, Queen Elizabeth Hospital, University of Birmingham, Birmingham, B15 2TH, UK. j.ayuk@bham.ac.uk

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|December 14, 2007
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Summary
This summary is machine-generated.

Acromegaly significantly increases mortality, primarily from cardiovascular and cerebrovascular diseases, reducing life expectancy by about 10 years. Effective treatment targeting growth hormone (GH) levels is crucial for improving patient outcomes.

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Area of Science:

  • Endocrinology
  • Epidemiology
  • Clinical Medicine

Background:

  • Acromegaly is associated with a two-fold increase in standardized mortality rates compared to the general population.
  • Excess deaths are predominantly linked to cardiovascular, cerebrovascular, and respiratory diseases.
  • A reduction in life expectancy of approximately 10 years has been observed in acromegaly patients.

Purpose of the Study:

  • To review mortality rates in acromegaly patients.
  • To identify factors influencing outcomes and mortality.
  • To evaluate the impact of growth hormone (GH) levels and treatment on patient survival.

Main Methods:

  • Analysis of epidemiological studies and patient data.
  • Review of mortality rates in over 5,000 acromegaly patients.
  • Assessment of factors such as GH levels, IGF-1, hypertension, and diabetes on outcomes.

Main Results:

  • Standardized mortality rates are approximately double those in the general population.
  • Lower latest growth hormone (GH) levels (< 2-2.5 mug/L) predict better outcomes.
  • Colon cancer mortality was higher than expected in some studies, despite no overall increase in cancer deaths.

Conclusions:

  • Controlling growth hormone (GH) levels is critical for improving acromegaly patient outcomes.
  • A latest GH level below 2-2.5 mug/L is a strong predictor of good prognosis.
  • Careful consideration of radiotherapy risks, particularly cerebrovascular mortality, is essential.