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Nasolacrimal Duct Obstruction Treatments
Research Guide
What is Nasolacrimal Duct Obstruction Treatments?
Nasolacrimal duct obstruction treatments are surgical and interventional procedures, primarily dacryocystorhinostomy via endoscopic or external approaches and balloon dacryocystoplasty, used to restore tear drainage in cases of nasolacrimal duct obstruction causing epiphora.
The field encompasses 17,053 papers focused on techniques and outcomes in dacryocystorhinostomy for nasolacrimal duct obstruction, including congenital cases, canalicular stenosis, epiphora, and lacrimal sac tumors. Key methods compare endoscopic transnasal dacryocystorhinostomy, external dacryocystorhinostomy, and balloon dilation of the nasolacrimal drainage apparatus. Studies address primary acquired nasolacrimal duct obstruction and epiphora in infancy.
Topic Hierarchy
Research Sub-Topics
Endoscopic Dacryocystorhinostomy
This sub-topic compares endoscopic techniques for nasolacrimal duct obstruction, evaluating success rates, complications, and learning curves. Researchers study transnasal approaches and adjuncts like mitomycin C.
External Dacryocystorhinostomy
External DCR research assesses traditional open surgery outcomes for lacrimal obstruction, including flap techniques and intubation. Studies benchmark against endoscopic methods.
Congenital Nasolacrimal Duct Obstruction
Focused on pediatric cases, this area studies natural resolution, probing, and balloon dacryoplasty for congenital epiphora. Research tracks long-term success and risk factors.
Mitomycin C in Dacryocystorhinostomy
Studies evaluate mitomycin C application to prevent scarring and improve patency in DCR surgeries. Randomized trials assess dosage, safety, and efficacy.
Primary Acquired Nasolacrimal Duct Obstruction
This sub-topic investigates etiology, epidemiology, and pathophysiology of adult-onset idiopathic NLDO. Research aids diagnosis and non-surgical management.
Why It Matters
Nasolacrimal duct obstruction treatments address epiphora, a common symptom impairing vision and quality of life, through procedures like endoscopic transnasal dacryocystorhinostomy, which McDonogh and Meiring (1989) applied using rigid Hopkins endoscope to minimize medial orbital trauma while relying on precise surgical anatomy knowledge. External dacryocystorhinostomy, as described by Tarbet and Custer (1995), provides an established surgical option for obstruction relief. Balloon dacryocystoplasty, developed by Munk et al. (1990), uses a small-bore guide wire introduced through the superior canaliculus under fluoroscopy for nasolacrimal dilation, offering a nonsurgical alternative. Linberg and McCormick (1986) characterized primary acquired nasolacrimal duct obstruction, informing targeted interventions. MacEwen and Young (1991) examined epiphora prevalence during the first year of life, highlighting early treatment needs in pediatric cases.
Reading Guide
Where to Start
"Endoscopic transnasal dacryocystorhinostomy" by McDonogh and Meiring (1989) is the first paper to read, as it provides a foundational description of the endoscopic technique with emphasis on anatomy and reduced trauma, accessible for those new to surgical approaches in this field.
Key Papers Explained
"Primary Acquired Nasolacrimal Duct Obstruction" by Linberg and McCormick (1986) characterizes the pathology, which "External Dacryocystorhinostomy" by Tarbet and Custer (1995) addresses surgically via external approach; "Endoscopic transnasal dacryocystorhinostomy" by McDonogh and Meiring (1989) offers an internal alternative, minimizing orbital trauma; "Epiphora: treatment by means of dacryocystoplasty with balloon dilation of the nasolacrimal drainage apparatus" by Munk et al. (1990) introduces nonsurgical dilation building on obstruction understanding from Linberg; "Epiphora during the first year of life" by MacEwen and Young (1991) extends applications to congenital cases.
Paper Timeline
Most-cited paper highlighted in red. Papers ordered chronologically.
Advanced Directions
Current frontiers emphasize comparative outcomes of endoscopic versus external dacryocystorhinostomy, adjuncts like mitomycin C for stenosis, and management of lacrimal sac tumors, as indicated by the 17,053 papers in the cluster without recent preprints or news.
Papers at a Glance
| # | Paper | Year | Venue | Citations | Open Access |
|---|---|---|---|---|---|
| 1 | An Electron Microscopic Study | 1987 | American Journal of De... | 1.1K | ✕ |
| 2 | The International Workshop on Meibomian Gland Dysfunction: Exe... | 2011 | Investigative Ophthalm... | 971 | ✓ |
| 3 | The International Workshop on Meibomian Gland Dysfunction: Rep... | 2011 | Investigative Ophthalm... | 853 | ✓ |
| 4 | Tear physiology and dry eyes | 1977 | Survey of Ophthalmology | 556 | ✕ |
| 5 | Endoscopic transnasal dacryocystorhinostomy | 1989 | The Journal of Laryngo... | 433 | ✓ |
| 6 | Studien zur Physiologie und Pathologie der Tränenabsonderung u... | 1903 | Graefe s Archive for C... | 400 | ✓ |
| 7 | Epiphora during the first year of life | 1991 | Eye | 398 | ✓ |
| 8 | Primary Acquired Nasolacrimal Duct Obstruction | 1986 | Ophthalmology | 384 | ✕ |
| 9 | External Dacryocystorhinostomy | 1995 | Ophthalmology | 376 | ✕ |
| 10 | Epiphora: treatment by means of dacryocystoplasty with balloon... | 1990 | Radiology | 356 | ✕ |
Frequently Asked Questions
What is the recommended definition of meibomian gland dysfunction in relation to nasolacrimal issues?
Meibomian gland dysfunction (MGD) is a chronic, diffuse abnormality of the meibomian glands, commonly characterized by terminal duct obstruction and/or qualitative/quantitative changes in the glandular secretion. This may result in alteration of the tear film, symptoms of eye irritation, and evaporative dry eye, potentially contributing to epiphora in lacrimal drainage disorders. Nelson et al. (2011) provided this definition in their subcommittee report.
How does endoscopic transnasal dacryocystorhinostomy treat nasolacrimal duct obstruction?
Endoscopic transnasal dacryocystorhinostomy uses a rigid Hopkins endoscope to simplify the operation, preventing unnecessary trauma to medial orbital tissues. Success depends on thorough knowledge of relevant surgical anatomy. McDonogh and Meiring (1989) described this technique for nasolacrimal duct obstruction.
What is the procedure for balloon dacryocystoplasty in epiphora treatment?
A small-bore, soft-tipped guide wire is introduced through the superior canaliculus and guided under fluoroscopic control through the nasolacrimal drainage system for retrieval through the nasal aperture. A small-bore balloon catheter is then advanced over the wire and inflated to dilate the obstructed segments. Munk et al. (1990) developed this interventional radiologic procedure for epiphora.
What characterizes primary acquired nasolacrimal duct obstruction?
Primary acquired nasolacrimal duct obstruction involves specific histopathological features leading to blockage. Linberg and McCormick (1986) detailed its characteristics in a study published in Ophthalmology. This informs selection of treatments like dacryocystorhinostomy.
How common is epiphora in the first year of life?
Epiphora occurs frequently in infancy, often linked to congenital nasolacrimal duct obstruction. MacEwen and Young (1991) investigated its patterns during the first year of life. Early intervention with probing or surgery may be required.
What is external dacryocystorhinostomy?
External dacryocystorhinostomy is a surgical procedure creating a new drainage pathway for the lacrimal sac into the nasal cavity. Tarbet and Custer (1995) outlined its technique and outcomes in Ophthalmology. It serves as a standard treatment for complete nasolacrimal obstructions.
Open Research Questions
- ? What are the long-term success rates comparing endoscopic versus external dacryocystorhinostomy in adult versus congenital nasolacrimal duct obstruction?
- ? How does mitomycin C application influence outcomes in endoscopic dacryocystorhinostomy for canalicular stenosis?
- ? What histopathological factors distinguish primary acquired nasolacrimal duct obstruction from lacrimal sac tumors?
- ? In cases of persistent epiphora post-balloon dacryocystoplasty, what anatomical predictors indicate need for surgical escalation?
- ? How does meibomian gland dysfunction interact with lacrimal drainage obstruction to exacerbate evaporative dry eye and epiphora?
Recent Trends
The field includes 17,053 works on nasolacrimal duct obstruction treatments with growth data unavailable over the past 5 years; highly cited papers from 1986-1995, such as Linberg and McCormick with 384 citations and Tarbet and Custer (1995) with 376 citations, remain central to dacryocystorhinostomy techniques, while no preprints or news from the last 12 months indicate steady reliance on established methods.
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