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Related Experiment Video

Updated: Jul 5, 2026

Transcanalicular Diode Laser-assisted Dacryocystorhinostomy for the Treatment of Primary Acquired Nasolacrimal Duct Obstruction

Transcanalicular Diode Laser-assisted Dacryocystorhinostomy for the Treatment of Primary Acquired Nasolacrimal Duct Obstruction

Published on: October 13, 2017

Endoscopically based endonasal and transnasal lasersurgery.

H Scherer¹, J U Hopf, M Hopf

¹Department of Otorhinolaryngology Head and Neck Surgery University Medical Center Benjamin Franklin Freie Universitaet Berlin, Hindenburgdamm 30 Berlin 12200 Germany.

Diagnostic and Therapeutic Endoscopy

|May 22, 2008

Summary

Endonasal laser surgery offers a safe and effective treatment for upper airway diseases. This minimally invasive technique improves nasal airflow with less patient trauma and quicker procedure times compared to traditional methods.

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Last Updated: Jul 5, 2026

Transcanalicular Diode Laser-assisted Dacryocystorhinostomy for the Treatment of Primary Acquired Nasolacrimal Duct Obstruction

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Published on: October 13, 2017

Endoscopic Endonasal Trans-sphenoidal Approach: Minimally Invasive Surgery for Pituitary Adenomas

Endoscopic Endonasal Trans-sphenoidal Approach: Minimally Invasive Surgery for Pituitary Adenomas

Published on: January 17, 2018

Area of Science:

Otolaryngology
Minimally Invasive Surgery
Laser Medicine

Background:

Endoscopic endonasal and transnasal laser surgery is an established procedure for upper and middle airway diseases.
Coagulative lasers, absorbed by hemoglobin, are utilized in contact and noncontact modes via flexible glass fibers.
Special applicator sheaths integrate the endoscope, laser fiber, and suction channel for precise delivery.

Purpose of the Study:

To evaluate the safety and efficacy of endonasal laser surgery for upper and middle airway conditions.
To assess the impact of this technique on patient trauma and procedure duration.
To determine the effect on nasal airflow rates.

Main Methods:

Utilizing endoscopically guided endonasal and transnasal laser surgery.
Employing coagulative lasers delivered through specialized applicator sheaths incorporating endoscopes.
Monitoring procedures via real-time video-endoscopy.
Conducting pre- and post-operative rhinomanometric and rhinoresistometric measurements.

Main Results:

The procedure provides a safe and effective method for treating various upper and middle airway diseases.
Patients experience less trauma and shorter procedure times compared to standard endoscopic surgery.
Significant improvement in nasal airflow rates was observed post-operatively.

Conclusions:

Endonasal laser surgery is a beneficial treatment option for ENT specialists.
The technique offers reduced patient trauma and enhanced efficiency.
Effective improvement of nasal airflow is a key outcome of this surgical approach.