Related Experiment Video
Updated: Jun 26, 2026
09:46
Imaging In-Stent Restenosis: An Inexpensive, Reliable, and Rapid Preclinical Model
Published on: September 14, 2009
Intravascular stenting (IVaS) method for fingertip replantation
Mitsunaga Narushima1, Makoto Mihara, Isao Koshima
1Department of Plastic and Reconstructive Surgery, Tokyo University School of Medicine, Tokyo, Japan.
Annals of Plastic Surgery
|January 10, 2009
Summary
The intravascular stenting (IVaS) method simplifies fingertip replantation surgery. This technique improves vessel anastomosis, achieving an 85% survival rate in distal digital replants.
Area of Science:
- Microsurgery
- Vascular Anastomosis
- Reconstructive Surgery
Background:
- Fingertip replantation is technically challenging, limiting its clinical application.
- Microsurgical techniques are crucial for successful replantation of distal digits.
Observation:
- A novel intravascular stenting (IVaS) method using nylon monofilaments was developed.
- The IVaS method facilitates vessel anastomosis by acting as a temporary intraluminal stent.
- Seven fingertip replantations were performed using the IVaS technique, with stent sizes ranging from 4-0 to 6-0.
Findings:
- The IVaS method prevented inadvertent suturing of the vessel back wall.
- An 85% survival rate (6/7) was achieved for distal digital replants.
- The technique effectively stabilized vessel ends, enabling even suture placement, especially in vessels of differing diameters.
Implications:
- The IVaS method offers ease of use and precision for supermicrosurgical anastomoses.
- This technique has the potential to increase the adoption and success rates of fingertip replantations.
- Wider surgeon adoption of IVaS could improve outcomes in complex digital reconstructions.