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Updated: Jun 13, 2026

Use of the Scissor-Type Knife During the Peroral Endoscopy Myotomy Procedure for the Treatment of Achalasia
Published on: March 3, 2023
Myringotomy knife for pyloromyotomy
Ibrahim Abu-Kishk1, Sorin Stolero, Baruch Klin
1Pediatric Intensive Care Unit, Assaf-Harofeh Medical Center, Zerifin, affiliated to Sackler School of Medicine, Tel-Aviv University, Tel-Aviv, Israel.
Abstract:
Laparoscopic pyloromyotomy is a common procedure for treating infantile hypertrophic pyloric stenosis. Since 2006, we have been using miniature otolaryngologic instruments for pyloromyotomy due to a shortage of arthroscopic blades in our Medical Center. The purpose of this study is to determine the safety, efficacy, and cosmetic results obtained from the use of fine otolaryngologic instruments in pyloromyotomy. We retrospectively reviewed the records of 10 male infants who underwent pyloromyotomy during the years 2006 to 2007, using a fine otolaryngologic knife (myringotomy knife). Median operation time was 23 minutes, no complications were observed, all patients were discharged within 24 hours, and the scars were barely visible in 4 weeks' time. We are proposing an alternative technique for the classic pyloromyotomy method that looks promising. Further studies are needed.
Insights
This study found that using miniature otolaryngologic instruments for laparoscopic pyloromyotomy in infants with infantile hypertrophic pyloric stenosis is safe and effective, yielding excellent cosmetic results with minimal scarring.
Area of Science:
- Pediatric Surgery
- Surgical Innovation
Background:
- Infantile hypertrophic pyloric stenosis (IHPS) is commonly treated with laparoscopic pyloromyotomy.
- A shortage of standard arthroscopic blades prompted the use of alternative instruments.
Purpose of the Study:
- To evaluate the safety, efficacy, and cosmetic outcomes of using fine otolaryngologic instruments for laparoscopic pyloromyotomy.
Main Methods:
- Retrospective review of 10 male infants who underwent pyloromyotomy between 2006 and 2007.
- Utilized a fine otolaryngologic knife (myringotomy knife) for the procedure.
Main Results:
- Median operative time was 23 minutes.
- No complications were reported.
- All infants were discharged within 24 hours.
- Scars were minimally visible by 4 weeks post-surgery.
Conclusions:
- Laparoscopic pyloromyotomy using fine otolaryngologic instruments is a safe and effective alternative technique.
- This method offers promising cosmetic results for IHPS treatment.
- Further research is warranted to validate these findings.