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A Structured Rehabilitation Protocol for Improved Multifunctional Prosthetic Control: A Case Study
Published on: November 6, 2015
Boston type 1 keratoprosthesis: the CHUM experience.
Marie-Claude Robert1, Mona Harissi-Dagher
1Department of Ophthalmology, Centre Hospitalier de l'Université de Montréal (CHUM), Hôpital Notre-Dame, Montréal, Que., Canada. marie-claude.robert.2@umontreal.ca
Summary
Boston type 1 keratoprosthesis (KPro) surgery showed an excellent retention rate and improved vision for most patients. Managing ocular comorbidities is crucial for sustained visual outcomes after KPro.
Area of Science:
- Ophthalmology
- Corneal Surgery
- Prosthetic Devices
Background:
- Corneal graft failure is a significant cause of vision loss.
- Boston type 1 keratoprosthesis (KPro) offers a solution for end-stage corneal disease.
- Understanding KPro outcomes in diverse patient populations is essential.
Purpose of the Study:
- To evaluate the characteristics, indications, complications, and outcomes of Boston type 1 KPro surgery.
- To assess visual acuity and device retention rates.
- To identify challenges in managing patients with ocular comorbidities.
Main Methods:
- Retrospective case series of 47 eyes from 43 patients.
- Data collected from October 2008 to February 2010.
- Analysis of preoperative, intraoperative, and postoperative parameters.
Main Results:
- Indications included corneal graft failure (27 eyes) and primary KPro (20 eyes).
- Preoperative diagnoses varied, with aniridia being common (34%).
- Median BCVA improved from hand motion to 20/150; device retention was 100% with complications like retroprosthetic membrane (26%) and glaucoma progression (23%).
Conclusions:
- Boston type 1 KPro demonstrates high retention rates and visual improvement.
- Ocular comorbidities significantly impact patient management and require ongoing care.
- KPro is a viable option for severe corneal disease, but requires comprehensive post-operative management.
