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Clinical findings following Ahmed Glaucoma Valve implantation in pediatric glaucoma
Amir Pirouzian1, Joseph L Demer
1Department of Ophthalmology, San Diego Children's Hospital, San Diego, UCSD, San Diego, CA, USA. amirpirouzian@msn.com
Insights
Ahmed valve implantation in children can lead to complications like pupillary peaking and requires further interventions. Surgical modifications may be needed to reduce these risks in pediatric glaucoma management.
Area of Science:
- Ophthalmology
- Pediatric Glaucoma Management
Background:
- Glaucoma is a leading cause of irreversible blindness in children.
- Ahmed Glaucoma Valve (AGV) implantation is a surgical option for refractory pediatric glaucoma.
Purpose of the Study:
- To detail the clinical outcomes and complications following Ahmed Glaucoma Valve (S2 model) implantation in pediatric patients.
- To identify common clinical findings and potential adverse events associated with this procedure in children.
Main Methods:
- Retrospective review of medical records from a single practice.
- Inclusion criteria: pediatric patients (2-15 years) with primary or secondary glaucoma treated with Ahmed Glaucoma Valve S2.
- Data collection focused on clinical findings and post-operative events over a 2-5 year follow-up period.
Main Results:
- Six pediatric patients were identified with a mean follow-up of 2-5 years.
- Common complications included pupillary peaking (3/6 patients), need for additional surgery or medication (all patients), lenticular opacification (1/6), and tube extrusion (2/6).
Conclusions:
- Ahmed valve implantation in children is associated with various clinical events, with pupillary irregularity being the most frequent.
- Further surgical modifications or alternative procedures may be necessary to mitigate complications and improve outcomes in pediatric glaucoma patients.
Purpose:
To describe clinical findings after Ahmed valve drainage implantation in children.
Design:
All records in one practice were reviewed to identify and describe clinical findings in all children who had undergone Ahmed Glaucoma Valve S2 model insertion for uncontrolled primary or secondary glaucoma.
Results:
A total of 6 patients were identified, ranging in age from 2-15 years. Mean follow-up time averaged from 2-5 years from the time of tube insertion. Three patients exhibited pupillary peaking towards the tube of the valve. All patients required additional surgery or additional medications to control intraocular pressure. Lenticular opacification near the tube site developed in one patient. Gradual tube extrusion was also noted in another two patients.
Conclusion:
Multiple clinical events follow the Ahmed valve insertion in children. Pupillary irregularity is the most commonly noted event in this series. To avoid or reduce the risk of this complication, additional or modification of surgical procedures could be considered. The mechanism of such occurrence will further be discussed.
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