Central lung injuries: a need for early vascular control.

Area of Science:

• Thoracic Surgery
• Trauma Surgery
• Vascular Surgery

Background:

• Penetrating lung injuries involving central pulmonary (hilar) vascular structures are associated with high mortality.
• Emergency thoracotomy is a critical intervention for such injuries, but outcomes vary based on surgical approach and timing of vascular control.

Purpose of the Study:

• To evaluate the outcomes of emergency thoracotomy for penetrating lung injuries with central pulmonary vascular involvement.
• To identify surgical strategies that improve survival in these critically injured patients.

Main Methods:

• Retrospective review of 161 patients undergoing emergency thoracotomy for penetrating lung injuries between 1980 and 1987.
• Analysis of patient outcomes based on surgical approach (anterolateral, posterolateral, median sternotomy), use of hilar clamping, and other hemostatic techniques.

Main Results:

• Overall survival for patients with hilar vascular injuries was low (25% survival).
• Anterolateral thoracotomies, especially when extended to bilateral, were associated with poor survival (14%). Posterolateral incisions showed slightly better survival (18%).
• Early hilar clamping demonstrated significantly higher survival rates (63%) compared to attempts to control bleeding before clamping (14%). Lobectomy/segmentectomy also had good survival (83%).
• Blood loss was a primary cause of death, but air emboli were suspected in earlier, less hemorrhagic deaths.

Conclusions:

• Early vascular control at the hilum is crucial for managing central lung injuries.
• Hilar clamping not only controls hemorrhage but may also prevent potentially fatal systemic air emboli.
• Surgical approach and the timing of vascular control significantly impact survival in penetrating hilar injuries.