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Related Experiment Videos

Endoscopic terminal dacryocystorhinostomy.

C L Sham1, C A van Hasselt

  • 1Department of Surgery, Prince of Wales Hospital, The Chinese University of Hong Kong, China.

The Laryngoscope
|June 14, 2000
PubMed
Summary
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Endoscopic terminal dacryocystorhinostomy (DCR) offers improved success rates for tear duct obstruction by creating a total diversion of tear flow. This modified procedure is particularly beneficial for cases with partial or idiopathic blockages.

Area of Science:

  • Ophthalmology
  • Surgical Innovation
  • Lacrimal System Surgery

Background:

  • Traditional endoscopic dacryocystorhinostomy (DCR) may fail due to closure of the lacrimal sac side hole.
  • Partial patency of the lower lacrimal drainage system poses a challenge for conventional DCR.

Purpose of the Study:

  • To evaluate the efficacy of a modified endoscopic terminal DCR procedure.
  • To prevent closure of the lacrimal sac opening in DCR surgery.

Main Methods:

  • Endoscopic terminal DCR was performed on 16 patients (17 sides) between September 1996 and June 1999.
  • The procedure involved resecting the lacrimal sac-duct junction for complete separation and creating a terminal DCR opening.

Main Results:

Related Experiment Videos

  • The study included 10 primary and 7 revision DCRs with a follow-up of 3 to 36 months.
  • An overall success rate of 88% was achieved, with two failures attributed to canalicular obstruction and orbital fat prolapse.

    • Conclusions:

    • Endoscopic terminal DCR, creating a terminal opening for total tear diversion, is advocated.
    • This approach may enhance success rates for endoscopic DCR, especially in idiopathic and partial obstruction cases.