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Needle Adjustment Free (NAF) running suture technique (PAN suture) in laparoscopic partial nephrectomy
Jun-Wei Pan1, Xiang Zhang1, Xing-Wei Jin1
1Department of Urology, Ruijin Hospital, Shanghai Jiao Tong University School of Medicine, No. 999, Xi Wang Road, Shanghai, 201801, China.
BMC Surgery
|March 7, 2021
Summary
The new Needle Adjustment Free (NAF) suture technique, or PAN suture, significantly reduces suture time, warm ischemia time, and blood loss during laparoscopic partial nephrectomy, proving safer and more effective than traditional methods.
Area of Science:
- Urology
- Surgical Techniques
- Minimally Invasive Surgery
Background:
- A novel running suture technique, the Needle Adjustment Free (NAF) or PAN suture, has been developed.
- Its efficacy and safety are evaluated in the context of laparoscopic partial nephrectomy (LPN).
Purpose of the Study:
- To compare the PAN suture technique with traditional continuous suture methods in LPN.
- To assess differences in surgical efficiency and patient outcomes.
Main Methods:
- A comparative study involving 11 patients using the PAN suture technique and 33 patients using traditional continuous sutures.
- Key metrics evaluated include suture time (ST), warm ischemia time (WIT), blood loss (BL), open conversion rate, and postoperative outcomes.
Main Results:
- The PAN suture group demonstrated significantly shorter ST (20.64±5.04 min vs. 28.73±7.89 min), WIT, and BL (43.18±31.17 mL vs. 141.56±155.23 mL) compared to the traditional group.
- No significant differences were observed in open conversion rates, postoperative discharge time, bleeding, DVT, or ΔGFR at 3 months.
Conclusions:
- The NAF (PAN) suture technique is more effective and safer for LPN, offering reduced ST, WIT, and BL.
- Further research with larger sample sizes is recommended to validate these findings.

