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  • Title: Air embolism: a lethal but preventable complication of subclavian vein catheterization.
    Author: Coppa GF, Gouge TH, Hofstetter SR.
    Journal: JPEN J Parenter Enteral Nutr; 1981; 5(2):166-8. PubMed ID: 7195439.
    Abstract:
    Air embolism (AE) is a rare but lethal complication of subclavian vein catheterization (SVC). Although treatable, if recognized promptly, attention should be directed towards prevention. SVC has been used at New York University Medical Center since 1969 for parenteral nutrition; its safety and complications have been recognized and reported. Since 1976, 14 patients with AE from SVC have been observed. Thirteen occurred as a sudden catastrophic event associated with disconnection of the catheter; all had significant morbidity; 4 (29%) died; 9 (65%) had associated profound neurologic deficit from which 5 recovered completely. Five others had cardiorespiratory morbidity but also recovered. In 1 surviving patient air was aspirated from the right atrium with immediate improvement. Survivors had evidence of pulmonary AE characterized by hypoxia. AE is a syndrome of respiratory distress, hypotension, and neurologic deficit of sudden onset. Immediate treatment is aspiration through the catheter in the left lateral steep Trendelenburg position. Review of our experience with AE suggests that lack of integrity of the connection between the catheter and the intravenous tubing was the responsible mechanism in the majority of case (93%). Secure fixation of these connections is vital for the prevention of AE.
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