External dacryocystorhinostomy

External dacryocystorhinostomy with and without silicone intubation - EDWXSI

Status

Active, not recruiting

Phases

Unknown

Study type

Interventional

Source

JPRN

Registry ID

JPRN-UMIN000058008

Enrollment

107

Registered

2025-05-29

Start date

2017-01-01

Completion date

Unknown

Last updated

2026-06-29

For informational purposes only — not medical advice. Sourced from public registries and may not reflect the latest updates. Terms

Conditions

Ophthalmology: nasolacrimal duct obstruction

Interventions

With Silicone Intubation Without silicone intubation

Eligibility

Sex/Gender

All

Inclusion criteria

Inclusion criteria: Patients aged 13 to 78 years Confirmed diagnosis of chronic nasolacrimal duct obstruction (NLDO) Symptoms persisting despite conservative medical treatment Ability and willingness to provide written informed consent Eligibility for external dacryocystorhinostomy (DCR) surgery under local or general anesthesia.

Exclusion criteria

Exclusion criteria: History of trauma-related nasolacrimal duct obstruction Nasolacrimal obstruction due to tumors or malignancies Previous lacrimal or nasal surgery Contraindications to undergoing DCR under local or general anesthesia Inability or unwillingness to provide informed consent.

Design outcomes

Primary

Measure	Time frame
Surgical Success Rate: -Defined by resolution of epiphora and anatomical patency confirmed by syringe irrigation. -Compared between DCR with and without silicone intubation. Revision Surgery Rate -Proportion of patients requiring repeat DCR. -Used to assess the durability of surgical outcomes. Incidence of Postoperative Complications -Including stenosis, granuloma formation, and mucous discharge. -Evaluates the safety profile of each surgical approach.	—

Measure

Time frame

Surgical Success Rate: -Defined by resolution of epiphora and anatomical patency confirmed by syringe irrigation. -Compared between DCR with and without silicone intubation. Revision Surgery Rate -Proportion of patients requiring repeat DCR. -Used to assess the durability of surgical outcomes. Incidence of Postoperative Complications -Including stenosis, granuloma formation, and mucous discharge. -Evaluates the safety profile of each surgical approach.

—

Countries

Africa

Contacts

Public ContactNouhoum Guirou

Centre Hospitalier Universitaire / Institut d'ophtalmologie Tropicale d'Afrique (CHU-IOTA) Ophthalmology/Oculoplastics

guiroun@gmail.com+22366809004

Outcome results

None listed

Source: JPRN (via WHO ICTRP) · Data processed: Jul 3, 2026