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Updated: Jun 23, 2025
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Published on: May 26, 2023
Evaluation of the Efficacy of a Novel Dermatotomy Device for Central Venous Cannulation
Worasak Keeyapaj1, Albert T Cheung1
1Department of Anesthesiology, Perioperative and Pain Medicine, Stanford University School of Medicine, Stanford University, 300 Pasteur Dr., Stanford, CA, 94305.
Objective:
To test the effectiveness of a novel wire-guided scalpel (Guideblade) to create a precise dermatotomy incision for central venous catheter (CVC) insertion.
Design:
Prospective, nonrandomized interventional study.
Setting:
Stanford University, single-center teaching hospital.
Participants:
Cardiac and vascular surgical patients (n = 100) with planned CVC insertion for operation.
Interventions:
A wire-guided scalpel was used during CVC insertion.
Results:
A total of 188 CVCs were performed successfully with a wire-guided scalpel without the need for additional equipment in 100 patients, and 94% of CVCs were accomplished with only a single dermatotomy attempt. "No bleeding" or "minimal bleeding" at the insertion site was observed in 90% of patients 30 minutes after insertion and 80.7% at the conclusion of surgery.
Conclusion:
The wire-guided scalpel was effective in performing dermatotomy for CVC with a 100% success rate and a very high first-attempt rate. The wire-guided scalpel may decrease bleeding at the CVC insertion site.
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