Abstract
Purpose
To test whether an electromagnetic guidance system such as CathTrack® would allow long-term central venous access devices to be reliably placed at a decreased cost and without radiation exposure to patients and staff. The following study was undertaken to verify accuracy of the CathTrack® system for catheter placement and to develop guidelines for its use.
Methods
Twenty-nine consecutive patients were prospectively enrolled in the study and taken to the operating room for implantation of a permanent central venous access port. By protocol, the CathTrack® system was used to guide initial catheter positioning using the center of the third intercostal space along the right sternal border as the desired external target. Fluoroscopy was then used to visualize tip position and relocate the catheter tip to the exact position desired by the surgeon.
Results
Catheter placement using the CathTrack® system was successfully accomplished in 27 out of 29 patients. In two instances CathTrack® was abandoned and fluoroscopy utilized because of difficulty in threading the initial guidewire into the superior vena cava.
Conclusion
The CathTrack® electromagnetic locator system can be used to reliably position catheters for the establishment of long-term central venous access. Decreased cost and elimination of radiation exposure are distinct advantages of this system over fluoroscopy.
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