Airway pressure release ventilation in morbidly obese surgical patients with acute lung injury and acute respiratory distress syndrome

Morbidly obese patients with body mass index greater than 40 kg/m(2) and respiratory failure requiring critical care services are increasingly seen in trauma and acute care surgical centers. Baseline respiratory pathophysiology including decreased pulmonary compliance with dependent atelectasis and...

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Bibliographic Details
Published in:The American surgeon 2013-03, Vol.79 (3), p.242-246
Main Authors: Testerman, George M, Breitman, Igal, Hensley, Sarah
Format: Article
Language:English
Subjects:
Acute Lung Injury - etiology
Acute Lung Injury - physiopathology
Acute Lung Injury - therapy
Adult
Bariatric Surgery
Continuous Positive Airway Pressure - methods
Female
Humans
Intensive Care Units
Lungs
Male
Middle Aged
Obesity
Obesity, Morbid - complications
Obesity, Morbid - surgery
Postoperative Complications
Respiratory distress syndrome
Respiratory Distress Syndrome, Adult - etiology
Respiratory Distress Syndrome, Adult - physiopathology
Respiratory Distress Syndrome, Adult - therapy
Retrospective Studies
Ventilators
Weight control
Young Adult
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Summary:Morbidly obese patients with body mass index greater than 40 kg/m(2) and respiratory failure requiring critical care services are increasingly seen in trauma and acute care surgical centers. Baseline respiratory pathophysiology including decreased pulmonary compliance with dependent atelectasis and abnormal ventilation-perfusion relationships predisposes these patients to acute lung injury (ALI) and adult respiratory distress syndrome (ARDS) as well as prolonged stays in the intensive care unit. Airway pressure release ventilation (APRV) is an increasingly used alternative mode for salvage therapy in patients with hypoxemic respiratory failure that also provides lung protection from ventilator-induced lung injury. APRV provides the conceptual advantage of an "open lung" approach to ventilation that may be extended to the morbidly obese patient population with ALI and ARDS. We discuss the theoretical benefits and a recent clinical experience of APRV ventilation in the morbidly obese patient with respiratory failure at a Level I trauma, surgical critical care, and acute care surgery center.
ISSN:0003-1348
1555-9823
DOI:10.1177/000313481307900320