Chapter 20: Trauma and Surgical Management

The foundation of trauma management rests on a tiered system that matches injury severity to appropriate institutional resources, spanning from comprehensive Level I facilities to stabilization centers for transfer. Understanding the trimodal distribution of trauma deaths—immediate deaths from catastrophic injuries, early deaths occurring within the first hour when intervention proves most critical, and late deaths from complications such as sepsis or multiple organ failure—guides the prioritization of care. The trauma team employs a standardized two-phase assessment process: the primary survey rapidly identifies life-threatening conditions through systematic evaluation of airway integrity with spinal precautions, breathing adequacy, circulatory status and hemorrhage control, neurological function, exposure to prevent dangerous metabolic derangements, vital sign documentation, and resuscitation resources. The secondary survey follows once immediate threats are addressed, incorporating detailed history and comprehensive head-to-toe examination. Modern resuscitation emphasizes balanced transfusion protocols using equivalent ratios of red blood cells, plasma, and platelets to replicate whole blood composition and prevent trauma-induced coagulopathy. A critical concept is the lethal triad of hypothermia, acidosis, and coagulopathy, which creates a self-perpetuating cycle of physiological deterioration requiring aggressive prevention. Specific injuries demand tailored management: thoracic trauma may present as tension pneumothorax or cardiac tamponade; abdominal injuries frequently involve hepatic damage and pelvic fractures with associated massive occult hemorrhage; and musculoskeletal injuries risk compartment syndrome, rhabdomyolysis with acute kidney injury, and fat embolism syndrome. Damage-control surgery prioritizes rapid hemorrhage cessation over definitive anatomical reconstruction, with delayed definitive repair performed after stabilization. Special populations including older adults with comorbidities, pregnant patients with altered physiological compensation, and those with substance use disorders require modified assessment and management approaches. Rehabilitation integration from admission through discharge focuses on preventing long-term functional disabilities.