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Updated: Jul 5, 2026
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Application of End-to-end Anastomosis in Robotic Central Pancreatectomy
Published on: June 2, 2018
Microsurgical anastomosis with the 'PCA' technique.
Emanuele Cigna1, Giuseppe Curinga, Giovanni Bistoni
1University La Sapienza, Department of Plastic Surgery, Policlinico Umberto I Hospital, Rome, Italy. emanuelecigna@msn.com
Summary
A new Posterior wall first--Continuous interrupted--Airborne (PCA) technique significantly reduces microvascular anastomosis time compared to conventional methods. This time-saving approach enhances surgical efficiency in complex procedures requiring rapid vessel repair.
Area of Science:
- Vascular Surgery
- Microsurgery Techniques
- Surgical Innovation
Background:
- Conventional microvascular anastomosis (CI) using interrupted stitches is time-consuming.
- Surgeons seek methods to reduce microsurgery duration, especially for multiple anastomoses or critical ischemia times.
- A novel technique, Posterior wall first--Continuous interrupted--Airborne (PCA), is introduced to address these challenges.
Purpose of the Study:
- To introduce and evaluate the efficacy of the PCA microvascular anastomosis technique.
- To compare the time efficiency and safety of PCA against conventional microvascular anastomosis (CI).
Main Methods:
- A comparative study was conducted on 40 Wistar-albino rats, utilizing femoral arteries and veins (0.8-1mm diameter).
- Two groups were established: one for PCA and one for CI.
- Patency rates were compared using the chi-square test, and anastomosis times were compared using the Student's t test (p<0.001 significance).
Main Results:
- PCA demonstrated reduced mean anastomosis times for both arteries (22m 46s vs. 28m 50s) and veins (19m 20s vs. 23m 36s) compared to CI.
- The PCA technique combines benefits of single stitch, continuous suture speed, and reduced tying time.
- Statistical analysis indicated significant time savings with the PCA technique.
Conclusions:
- The PCA technique is a safe, secure, and time-saving method for microvascular anastomosis.
- This technique offers advantages in reducing microsurgical time, beneficial for complex cases like digital replantations, "in chain" free flaps, vein grafts, and intestinal free microvascular transfers.
