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[Mechanical ventilation. Influence of the age in the outcome]

Felipe J Chertcoff1, Silvia Quadrelli, Elías D Soloaga

  • 1Unidad de Cuidados Intensivos, Hospital Británico de Buenos Aires.

Medicina
|February 8, 2011
PubMed

Insights

Age does not independently predict mortality in patients requiring mechanical ventilation (MV). However, advanced age (over 80) is linked to lower long-term survival, independent of initial severity.

Area of Science:

  • Critical Care Medicine
  • Geriatric Medicine
  • Pulmonology

Context:

  • Mechanical ventilation (MV) is a life-sustaining therapy for critically ill patients.
  • The impact of advanced age on mortality outcomes during MV remains debated.
  • Understanding age-related mortality predictors is crucial for treatment decisions.

Purpose:

  • To investigate whether advanced age is an independent predictor of mortality in patients requiring mechanical ventilation.
  • To compare outcomes between younger (<80 years) and older (≥80 years) patients undergoing MV.
  • To identify independent factors associated with mortality in this patient population.

Summary:

  • A prospective study included 200 patients requiring MV. Patients were divided into two groups: <80 years (n=164) and ≥80 years (n=36).
  • In-hospital and intensive care unit mortality showed no significant difference between the age groups.
  • Six-month survival was significantly lower in patients aged 80 and older (22.22% vs. 48.17%, p=0.0051).
  • Multivariate analysis identified APACHE II score > 20 and lack of autonomous life as independent predictors of mortality, not advanced age itself.

Impact:

  • Advanced age alone is not a justification for restricting mechanical ventilation or invasive care.
  • Treatment decisions for elderly patients on MV should consider overall clinical status and prognosis, not solely age.
  • Findings support the provision of mechanical ventilation to elderly patients based on clinical need, not age.
  • This study contributes to evidence-based guidelines for critical care in geriatric populations.

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