A Comparative Study of Two Endoscopic Operations for Lacrimal Duct Obstruction
- Conditions
- Lacrimal Duct Obstruction
- Registration Number
- NCT02636257
- Lead Sponsor
- Third Affiliated Hospital, Sun Yat-Sen University
- Brief Summary
To compare the clinical effects between the silicone nasolacrimal intubation under nasoendoscopy and dacryocystorhinostomy on patients with lacrimal duct obstruction.
- Detailed Description
Lacrimal duct obstruction is common among patients with epiphora,which is seriously affect the quality of life. The treatment principle is to restore or rebuild the lacrimal duct drainage channel. The classic operation type is dacryocystorhinostomy(DCR), which is complex for face-section particularly. However, with the development of endoscopy, the investigators prefer to the silicone nasolacrimal intubation under nasal endoscopy, which is more simple and efficient. With endoscopy, the investigators can see anatomical structures clearly and then can perform the operation much more perfectly.Compare to the classic one called DCR, its short and long term therapeutic effects are equal and even better.Therefore,the latter type does do good to both doctors and patients.
Recruitment & Eligibility
- Status
- COMPLETED
- Sex
- All
- Target Recruitment
- 50
- Clinical diagnosis of Nasolacrimal Duct Obstruction based on a clinical of epiphora and purulent secretion, another punctiform orifices with reflux in subsequent flushing in lacrimal passage irrigation;
- Must be able to withstand surgery
- At least 18 years old
- NO lacrimal tumor and acute inflammation
- Nasolacrimal duct obstruction in digital subtraction dacryocystography
- A sufficient level of education to understand study procedures and be able to communicate with site personnel and adhere to the follow-up;
- Accepted informed consent verbally and in writing
- The Poor Health
- Be allergic to anesthetics
- Lacrimal duct abnormalities
- Lacrimal tumor and acute inflammation
- Children
- The same Surgery failure before
Exit Criteria
- Postoperative infection and persistent inflammation
- Operation failure.
Study & Design
- Study Type
- INTERVENTIONAL
- Study Design
- PARALLEL
- Primary Outcome Measures
Name Time Method Epiphora Improvement one-year follow-up Cure:postoperative epiphora disappeared. Effective:clinical symptom remission. Invalid:no effect on epiphora.
Lacrimal Passage Irrigation one-year follow-up Cure:no reflux after lacrimal passage irrigation. Effective:a little reflux after lacrimal passage irrigation. Invalid:a lot reflux after lacrimal passage irrigation.
- Secondary Outcome Measures
Name Time Method Postoperative Visual Analogue Scale (VAS) Six times in one-year follow-up,respectively,immediate post-surgical,the 1th week,the 1th month,the 3rd month,the 6th month and the 12th month after the surgery. From 0 to 10 according to the patients' feeling and life quality
Trial Locations
- Locations (1)
ThirdSunYatSen
🇨🇳Guangzhou, Guangdong, China
ThirdSunYatSen🇨🇳Guangzhou, Guangdong, China