To instruct a client on effective deep breathing after a lobectomy, what method should be emphasized?

The focus on contracting abdominal muscles while inhaling through the nose is crucial for effective deep breathing after a lobectomy. This technique encourages the use of diaphragmatic breathing, which is more effective for lung expansion and oxygenation. When the abdominal muscles are contracted during inhalation, it helps draw the diaphragm downward, allowing the lungs to fill more fully with air. This deep breathing technique is essential for patients recovering from lung surgery, as it promotes better ventilation, prevents atelectasis, and optimizes gas exchange.

Deep breathing exercises are particularly important in the postoperative setting to ensure the lungs are fully inflated, and utilizing the diaphragm allows for greater lung volumes and better overall respiratory function. It's also supportive in mobilizing secretions, which can further assist with lung recovery following surgery.