Closed Dacryointubation vs Bicanalicular Intubation for Proximal Tear Duct Obstruction

Launched by INSTITUTO DE OFTALMOLOGÍA FUNDACIÓN CONDE DE VALENCIANA · May 20, 2024

Keywords

ClinConnect Summary

Upper lacrimal duct obstruction (ULDO) or proximal lacrimal tract obstruction occurs when an occlusion is located in the lacrimal point, in superior and inferior canaliculi, or in the common canaliculus. When the ULDO is at the level of the canaliculi (superior, inferior or common), the alternatives available for its management are closed dacryointubation with Crowford catheter, conjunctivadacryocystorhinostomy, and bicanalicular intubation.

Closed dacryointubation with Crowford tube is a technique effective in approximately 90% of children diagnosed with congenital occlusion of the lacrim...

Gender

ALL

Eligibility criteria

• Inclusion Criteria:
• • Patients over 18 years of age
• • Patients with stenosis and incomplete obstruction of the upper lacrimal duct with epiphora \> 2 on the Munk scale who have not previously undergone surgery on the affected tear duct
• • Patients who may undergo general anesthesia and sedation
• • Patients who are able to present and continue follow-up for the duration of the study
• • Acceptance to participate in the study by signing an informed consent
• Exclusion Criteria:
• • Patients with ocular surface involvement affecting the upper lacrimal duct, such as blepharitis with tear point epithelialization
• • Patients with lacrimal point malposition and/or eyelid malposition due to entropion or ectropion
• • Patients with congenital or acquired obstruction of the lower lacrimal duct
• • Patients with a history of facial paralysis
• • Patients with systemic inflammatory disease such as scarring pemphigoid or Steven Johnson
• • Patients in whom tumour involvement of the lacrimal duct is suspected
• • Patients with reflex tear hypersecretion due to ocular surface involvement or other causes.
• • Pregnancy and breastfeeding
• • Active infection, eye trauma, history of facial trauma with broken bones of the nose, or history of sinus surgery.