[Use of devices in elderly patients with chronic heart failure]

Giornale Italiano Di Cardiologia (2006)
|April 25, 2013
PubMed

Insights

Cardiac resynchronization therapy (CRT) and implantable cardioverter-defibrillators (ICD) improve survival in elderly patients with chronic heart failure (CHF). More research is needed to confirm benefits and guide age-specific recommendations.

Area of Science:

  • Cardiology
  • Geriatrics
  • Medical Devices

Background:

  • Chronic heart failure (CHF) significantly impacts elderly patients, with persistently high mortality despite medical advancements.
  • Cardiac resynchronization therapy (CRT) and implantable cardioverter-defibrillators (ICD) have improved survival rates in CHF patients.
  • Evidence on the effectiveness of CRT and ICD specifically in the elderly population remains limited, primarily from observational studies.

Purpose of the Study:

  • To evaluate the effectiveness and safety of CRT and ICD in elderly patients with CHF.
  • To identify potential age-related differences in response to CRT and ICD therapy.
  • To highlight the need for controlled clinical trials addressing quality of life, disability, and cognitive function in elderly CHF patients receiving these devices.

Main Methods:

  • Analysis of data from observational studies, including the InSync/InSync ICD study (1787 patients) and the Italian Clinical Service Project (6311 patients).
  • Examination of responder rates and procedural complication rates for CRT.
  • Assessment of excess mortality causes in older subjects receiving ICD therapy.

Main Results:

  • The InSync/InSync ICD study indicated no significant age-related differences in CRT responder rates (approx. 60%) or procedural complications (11%).
  • In the Italian Clinical Service Project, comorbid conditions accounted for 22.6% of excess mortality in older subjects receiving ICDs.
  • Existing data suggest CRT and ICD are generally safe and effective across age groups, but specific benefits in the elderly require further investigation.

Conclusions:

  • CRT and ICD offer survival benefits for elderly CHF patients, with comparable response and complication rates to younger populations.
  • Comorbidities significantly contribute to mortality risk in older CHF patients treated with ICDs.
  • Further controlled clinical trials are essential to fully understand the impact of CRT and ICD on quality of life, disability, and cognitive function in the elderly, informing age-oriented guidelines.

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