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Related Concept Videos

Tracheostomy Decannulation01:21

Tracheostomy Decannulation

Tracheostomy decannulation is a significant milestone in the liberation of mechanically ventilated patients. Despite its importance, there is no universally accepted protocol for this procedure. This demands an evidence-based, individualized approach.
Description of the Procedure
Decannulation refers to the permanent removal of the tracheostomy tube, signaling the resolution of the condition that initially necessitated the tracheostomy. The process requires a well-coordinated interplay between...

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Related Experiment Video

Updated: Jun 5, 2026

Transcanalicular Diode Laser-assisted Dacryocystorhinostomy for the Treatment of Primary Acquired Nasolacrimal Duct Obstruction
07:30

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

Published on: October 13, 2017

Endoscopic dacryocystorhinostomy.

S H Rahman1, K H Tarafder, M S Ahmed

  • 1Department of Otolaryngology, Bangabandhu Sheikh Mujib Medical University, Shahbagh, Dhaka, Bangladesh.

Mymensingh Medical Journal : MMJ
|January 18, 2011
PubMed
Summary
This summary is machine-generated.

Endoscopic dacryocystorhinostomy (DCR) effectively treats blocked tear ducts with high success rates. This minimally invasive procedure offers significant patient benefits and comparable outcomes to traditional methods.

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Last Updated: Jun 5, 2026

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

  • Ophthalmology
  • Otorhinolaryngology

Background:

  • Distal nasolacrimal duct blockage necessitates treatment.
  • Endoscopic dacryocystorhinostomy (DCR) offers advantages over external approaches, including higher patient acceptance.

Purpose of the Study:

  • To evaluate the efficacy and outcomes of endoscopic dacryocystorhinostomy (DCR) for distal nasolacrimal duct obstruction.

Main Methods:

  • A consecutive series of 21 patients underwent endoscopic DCR.
  • Follow-up averaged 13.12 months.
  • Various techniques for bony window creation and silicon stent usage were employed.

Main Results:

  • Anatomical success (patent stoma) was achieved in 90.48% of cases.
  • Symptomatic improvement (dry, comfortable eyes) was observed in 86% of cases.
  • Minor complications included stent extrusion, synaechia, granulation tissue, and stenosis, with no significant peroperative issues.

Conclusions:

  • Endoscopic DCR demonstrates high anatomical and symptomatic success rates for distal nasolacrimal duct blockage.
  • Outcomes are comparable to published studies, with no significant difference compared to external DCR.
  • The procedure is well-tolerated with a low complication rate.