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Updated: Jun 10, 2026

Endoscopic Septoplasty with Limited Two-line Resection: Minimally Invasive Surgery for Septal Deviation
Published on: June 20, 2018
Bilaterally parallel elliptic flap versus Karydakis flap in primary pilonidal sinus disease: a randomized controlled
Umut Fırat Turan1, Serdar Coban2, Tezcan Akin3
1Department of General Surgery, Istanbul Atlas University, Istanbul, Turkey. umutfratturan@gmail.com.
The bilateral parallel elliptical flap (BPEF) technique for pilonidal sinus surgery resulted in less postoperative pain and quicker return to work compared to the Karydakis flap (KF). Both methods showed similar complication and recurrence rates.
Area of Science:
- Colorectal Surgery
- Surgical Oncology
- Wound Healing
Background:
- Pilonidal sinus disease significantly impacts the young population, leading to workforce loss.
- Current surgical treatments lack a definitive "gold standard" approach.
- This study addresses the need for optimized surgical interventions for pilonidal sinus disease.
Purpose of the Study:
- To compare the postoperative outcomes of the bilateral parallel elliptical flap (BPEF) and Karydakis flap (KF) techniques in pilonidal sinus surgery.
- To evaluate pain, hospital stay, wound complications, return to work, and recurrence rates for both surgical methods.
- To identify potential improvements in patient recovery and long-term success for pilonidal sinus treatment.
Main Methods:
- A prospective randomized controlled study involving 102 patients with pilonidal sinus.
- Patients were randomly assigned to either the bilateral parallel elliptical flap (BPEF) or Karydakis flap (KF) surgical technique.
- Key outcome measures included postoperative pain, hospital stay, wound complications, time to return to work/school, and recurrence incidence.
Main Results:
- The bilateral parallel elliptical flap (BPEF) group reported significantly less postoperative pain (p < 0.05).
- Patients in the BPEF group returned to work/school significantly faster than the Karydakis flap (KF) group (p < 0.05).
- Hospital stay duration, wound complication rates, and recurrence incidence were comparable between the BPEF and KF groups (p > 0.05).
Conclusions:
- The bilateral parallel elliptical flap (BPEF) technique offers advantages in reducing postoperative pain and accelerating patient return to daily activities.
- Both BPEF and KF techniques demonstrate similar efficacy regarding wound complications and long-term recurrence rates.
- BPEF may be a preferred surgical option for pilonidal sinus disease, balancing recovery speed and treatment effectiveness.
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