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Venilator Management and Criical Care Issues Following Cardiothoracic Trauma

Departments of Critical Care Medicine, University of Maryland, Baltimore, Maryland

James O'Connor, MD, FACS, FACC, FCCP

Departments of Critical Care Medicine, Cardiothoracic Surgery, University of Maryland, Baltimore, Maryland

Maureen McCunn, MD

Departments of Critical Care Medicine, Anesthesiology, R Adams Cowley Shock Trauma Center, University of Maryland, Baltimore, Maryland; Anesthesiology and Critical Care Medicine, R Adams Cowley Shock Trauma Center, University of Maryland, 22 South Greene Street, Baltimore, MD 21201

Traumatic injury of the cardiac, pulmonary, or vascular systemsmay result in severe critical illness. Not only does the injury itself result in compromise of normal physiology, but initiation of the inflammatory cascade and mismanagement of the ventilator may lead to worsening status, the acute respiratory distress syndrome, and multiple organ dysfunction. Traumatic injury places the patient athigh risk of infection and nutritional compromise. We review basic concepts of mechanical ventilation and ventilator -associated or -induced lung injury. Barotrauma, volutrauma, atelectrauma and biotrauma, and methods for the clinician to prevent them, arediscussed. Airway pressure release ventilation, mandatory minute ventilation and adaptive support ventilation techniques are intro-duced, as is a discussion of the importance of spontaneous breathing during mechanical ventilation. Special attention is paid to a comprehensive approach to respiratory care. Unique modalities such as prone positioning, independent lung ventilation, and extracorporeal support are presented. The importance of adapting the mode or the minimal-injury concepts of mechanical ventilation to specific injuries is presented. Management approaches to these injuries, including ventilator therapy, pain control, surgical techniques, and critical care issues are described. An overview of the issues of infection inherent to trauma, and nutritional matters, including enteral versus parenteral therapy is presented. Immune-enhanced diets and antioxidantdrugs are integral components of the comprehensive approach to the trauma patient suffering critical illness, and pertinent literatureis summarized.

Seminars in Cardiothoracic and Vascular Anesthesia, Vol. 6, No. 2, 127-147 (2002)
DOI: 10.1177/108925320200600209


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