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Questions and Answers
What is a major factor contributing to the development of postoperative pulmonary complications?
What is a major factor contributing to the development of postoperative pulmonary complications?
- Increased lung volume after surgery
- Increased diaphragmatic function after surgery
- Unchanged lung volume after surgery
- Reduced lung volume after surgery (correct)
Which surgical procedures are associated with a reduction of VC by 50 to 60%?
Which surgical procedures are associated with a reduction of VC by 50 to 60%?
- Thoracic and upper-abdominal surgery (correct)
- Orthopedic surgery
- Lower abdominal surgery
- Plastic surgery
What contributes to the risk of atelectasis, pneumonia, and (V/Q) mismatching?
What contributes to the risk of atelectasis, pneumonia, and (V/Q) mismatching?
- VC > closing volumes
- FRC > closing volumes
- FRC < closing volumes (correct)
- VC < closing volumes
What can cause diaphragmatic dysfunction after surgery?
What can cause diaphragmatic dysfunction after surgery?
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What impairs mucociliary clearance of respiratory secretions?
What impairs mucociliary clearance of respiratory secretions?
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Study Notes
Postoperative Pulmonary Complications
- Contribute significantly to perioperative morbidity and mortality in 25%–50% of major surgical procedures.
- Thoracic procedures carry the highest risk, followed by abdominal procedures.
Patient Risk Factors
- Patients with pulmonary disease are at higher risk in proportion to the degree of their pulmonary impairment.
Purposes of Preoperative Testing
- Estimate postoperative lung function in candidates for pneumonectomy or lobectomy.
- Plan perioperative care to minimize complications, including preoperative preparation, anesthetic type and duration, and postoperative care.
- Enhance the estimate of risk involved in the surgical procedure (morbidity and mortality) derived from history and physical examination.
Post-operative Pulmonary Complications
- The frequency of postoperative pulmonary complications varies from 2 to 70%.
- The wide range is due in part to patient selection and procedure-related risk factors, as well as differing definitions for postoperative complications.
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Description
Learn about the significance, risk factors, and preoperative testing for postoperative pulmonary complications. Understand the impact of pulmonary disease on surgical outcomes.
