Related Experiment Video
Updated: May 22, 2026
07:30
Transcanalicular Diode Laser-assisted Dacryocystorhinostomy for the Treatment of Primary Acquired Nasolacrimal Duct Obstruction
Published on: October 13, 2017
DIY guide-needle-assisted conjunctivodacryocystorhinostomy (CDCR)
Ji-Sun Paik1, Su-Ah Kim, Sang-Hee Doh
1Department of Ophthalmology and Visual Science, College of Medicine, Seoul St. Mary's Hospital, The Catholic University of Korea, Seoul, Korea.
Summary
A DIY guide-needle technique simplifies conjunctivodacryocystorhinostomy (CDCR) by aiding Jones tube measurement and reducing handling. This method ensures proper tube fit and minimizes migration, improving CDCR success rates.
Area of Science:
- Ophthalmology
- Otorhinolaryngology
Background:
- Conjunctivodacryocystorhinostomy (CDCR) is a surgical procedure to bypass an obstructed lacrimal drainage system.
- Tube migration and incorrect sizing are common causes of CDCR failure.
Purpose of the Study:
- To introduce and evaluate a novel DIY guide-needle-assisted technique for conjunctivodacryocystorhinostomy (CDCR).
- To assess the accuracy of Jones tube length measurement and the incidence of tube migration using this new method.
Main Methods:
- Three CDCR procedures were performed using a 22-gauge DIY guide needle for initial Jones tube length measurement.
- A prospective study was conducted to monitor tube position change and migration post-surgery.
Main Results:
- The DIY guide needle facilitated accurate measurement of the initial Jones tube length.
- Wound healing at the osteotomy site was complete within 4 weeks; partial middle turbinectomy required slightly longer.
- A slight change in tube position was observed, but no significant migration from the fixation point occurred.
Conclusions:
- DIY guide-needle-assisted CDCR offers a simple, cost-effective method for accurate Jones tube sizing and insertion.
- This technique potentially reduces handling and improves the success rate of CDCR by minimizing tube migration.
