Which maneuver is least effective in preventing postoperative pulmonary complications in a patient with diminished lung bases after abdominal surgery?

Which maneuver is least effective in preventing postoperative pulmonary complications in a patient with diminished lung bases after abdominal surgery?

• A. Coughing
• B. Voluntary deep breathing
• C. Forced vital capacity
• D. Incentive spirometry

Answer: (C)

The main idea is that preventing postoperative pulmonary complications hinges on techniques that promote deep, sustained inspiratory effort and help clear secretions, especially to re-expand the lung bases that tend to collapse after abdominal surgery. Coughing helps mobilize and clear secretions and also supports airway patency, which helps prevent Atelectasis. Voluntary deep breathing increases the volume of air taken into the lungs, improving recruitment of alveoli, including those at the bases. Incentive spirometry specifically trains and encourages patients to take slow, deep breaths to maximize inspiratory effort, with a focus on expanding the lower parts of the lungs. Together, these maneuvers actively promote basal re-expansion and secretion clearance. Forced vital capacity, by contrast, is a measure of the maximum amount of air exhaled after a full inhalation and is not a targeted rehabilitative maneuver to recruit the bases. It emphasizes a forceful expiration and can be uncomfortable or painful after abdominal surgery, providing less benefit for basal expansion and overall prevention of postoperative pulmonary complications. Thus, it is least effective for this purpose.

The main idea is that preventing postoperative pulmonary complications hinges on techniques that promote deep, sustained inspiratory effort and help clear secretions, especially to re-expand the lung bases that tend to collapse after abdominal surgery.

Coughing helps mobilize and clear secretions and also supports airway patency, which helps prevent Atelectasis. Voluntary deep breathing increases the volume of air taken into the lungs, improving recruitment of alveoli, including those at the bases. Incentive spirometry specifically trains and encourages patients to take slow, deep breaths to maximize inspiratory effort, with a focus on expanding the lower parts of the lungs. Together, these maneuvers actively promote basal re-expansion and secretion clearance.

Forced vital capacity, by contrast, is a measure of the maximum amount of air exhaled after a full inhalation and is not a targeted rehabilitative maneuver to recruit the bases. It emphasizes a forceful expiration and can be uncomfortable or painful after abdominal surgery, providing less benefit for basal expansion and overall prevention of postoperative pulmonary complications. Thus, it is least effective for this purpose.