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Catheter detection by transthoracic echocardiography during placement of peripherally inserted central catheters: a real-time method for eliminating misplacement
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Yong Chae Jung, Man-shik Shim, Hee Sun Park, Min-Woong Kang
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Received February 9, 2024 Accepted April 1, 2024 Published online April 22, 2024
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DOI: https://doi.org/10.4266/acc.2024.00150
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 Abstract
- Background
Although guidelines and protocols are available for central venous access, existing methods lack specificity and sensitivity, especially when placing peripherally inserted central catheters (PICCs). We evaluated the feasibility of catheter detection in the right atrial cavity using transthoracic echocardiography (TTE) during PICC placement.
Methods
This single-center, retrospective study included consecutive patients who underwent PICC placement between January 2022 and March 2023. TTE was performed to detect the arrival of the catheter in the right atrial cavity. Catheter misplacement was defined as an aberrant catheter position on chest x-ray (CXR). The primary endpoint was predicting catheter misplacement based on catheter detection in the right atrial cavity. The secondary endpoint was optimizing catheter placement and examining catheter-associated complications.
Results
Of the 110 patients identified, 10 were excluded because of poor echogenicity and vein access failure. The remaining 100 patients underwent PICC placement with TTE. The catheter was visualized in the right atrial cavity in 90 patients. CXR exams revealed catheter misplacement in seven cases. Eight patients with catheter misplacement underwent the same procedure in the other arm. In two patients, PICC placement failed due to anatomical reasons. Catheter misplacement was detected using TTE with sensitivity, specificity, positive predictive value, and negative predictive value of 97% confidence interval (CI, 91.31%–99.36%), 90% CI (55.50%–99.75%), 99%, and 75%, respectively.
Conclusions
TTE is a reliable tool for detecting catheter misplacement and optimizing catheter tip positioning during PICC placement.
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