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Area of Science:

  • Anesthesiology and Perioperative Medicine
  • Pulmonary Medicine
  • Surgical Critical Care

Background:

  • Postoperative pulmonary complications (PPCs) are frequent, increasing mortality and hospital stay.
  • Risk factors for PPCs include smoking, respiratory diseases (asthma, COPD, sleep apnea), low pre-operative oxygen saturation, and recent respiratory infections.

Purpose of the Study:

  • To review evidence on pre-operative interventions for reducing PPCs.
  • To identify effective strategies for optimizing patients before surgery.

Main Methods:

  • Systematic review of studies on pre-operative interventions.
  • Analysis of evidence for smoking cessation, exercise programs, and respiratory training.

Main Results:

  • Pre-operative smoking cessation, particularly intensive programs, reduces PPCs; longer abstinence yields greater benefits.
  • High-intensity interval training shows promise for improving fitness quickly (2 weeks) for surgical patients.
  • Respiratory interventions like deep breathing exercises and inspiratory muscle training can be beneficial components of pre-operative care.

Conclusions:

  • Optimizing patients pre-operatively through smoking cessation and targeted exercise (like interval training) or respiratory interventions can mitigate PPCs.
  • These interventions are particularly recommended for major surgery or patients with low cardiorespiratory fitness.