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Pulmonary air embolism: case report
S B Karr1, F J Schwab, E M Druy
1Department of Radiology, George Washington University Medical Center, Washington, D.C. 20037.
Cardiovascular and Interventional Radiology
|July 1, 1991
Summary
Pulmonary air embolism can occur when a central venous catheter is disconnected, leading to lung complications. Early diagnosis is possible through specific imaging findings, enabling prompt medical intervention.
Area of Science:
- Cardiology
- Pulmonary Medicine
- Medical Imaging
Background:
- Central venous catheters are common medical devices used for administering medication and monitoring hemodynamic status.
- Disconnection of catheter hubs can lead to air entry into the venous system, a potentially serious complication.
Observation:
- A patient with an indwelling central venous catheter developed pulmonary edema after the catheter hub was disconnected.
- Pulmonary arteriography revealed diffuse peripheral vasoconstriction and decreased arterial-to-venous transit time.
Findings:
- The observed imaging findings, including vasoconstriction and reduced transit time, were indicative of pulmonary air embolism.
- Arterial occlusions were also noted on pulmonary arteriography.
Implications:
- These findings suggest that pulmonary air embolism should be considered in patients with central venous catheters presenting with acute pulmonary edema.
- Prospective diagnosis of pulmonary air embolism is feasible using characteristic findings on pulmonary arteriography.
- Prompt recognition and management are crucial for improving patient outcomes in cases of catheter-related air embolism.