Fine Tuning Glaucoma Diagnosis and Management in Haiti
- Slides: 37
Fine Tuning Glaucoma Diagnosis and Management in Haiti Daniel Laroche MD Director of Glaucoma, St Lukes-Roosevelt Hospital, NY President, Advanced Eyecare of New York Assistant Clinical Professor Ophthalmology New York Eye and Ear Infirmary New York Medical College Chair NMA Ophthalmology Section/AAO Task for on Haiti n Disclosure: Speaker Bureau for Alcon, Allergan Merck
Thanks to the SHO and CNPC for the invitation and congratulations on your ongoing efforts
I worked at the University Eye Hospital
Persistent Structural damage to buildings that need reconstruction
HUEH Faculty Dr. Jean Claude Cadet- Chief n Dr. Ritza Eugene n Dr. Jean Claude Cadet Jr. n Dr. Valery Cadet n Visiting Professors n
Ophthalmology Residents n. Astrid St. Dic n. Rachel Aglae Amedee n. Rachel Gauthier n. Nathalie Francois n. Reginald Rejouis n. Myriam Beliard n. Marie Dieumane Chaperon n. Milon Osnel
3 ½ Days of seeing patients May 13 -16, 2012 n n n 60 glaucoma patients were presented Under went tonometry, gonioscopy, optic disc examination, FDT VF Diagnosis were: Open angle glaucoma, Angle closure glaucoma, Juvenile Open angle glaucoma Traumatic Glaucoma, Congenital Glaucoma, Physiologic cupping without glaucoma, Congenital glaucoma, Neovascular glaucoma
Haitian Ophthalmology Residents Learning Gonioscopy www. gonioscopy. org
Residents Used Perkin tonometry to check IOP n There was a shortage of slit lamps and goldman applanation tonometry available n Only one 3 mirror gonio lens present n Residents were trained to use the lens and also performed gonioscopy on each other n Residents learned importance of optic disc drawings and were evaluated n Each resident advised that they must invest in a four mirror lens to properly n
Resident Education n Residents were given lectures on gonioscopy, optic disc evaluation, Target IOP in treating glaucoma, glaucoma surgical video were reviewed on trabeculectomy, trabeculotomy, Ahmed valve.
Must perform gonioscopy to r/o angle closure
AS-OCT iris light and dark
Indentation Gonioscopy n Allows viewing of angle structures when there is appositional Angle closure Angle will not open if Synechia is present
Pupillary Block/Indentation Gonioscopy PAS
Treatment for Angle Closure is iridotomy and sometimes with iridoplasty
Optic Disc Size • • Size of cup varies with size of optic disc Large optic discs have large cups in healthy eyes n 2. 4 n 1. 9 n 1. 4 n. Small n. Average n. Large n Identify small and large optic discs • • Small discs: avg vertical diameter < 1. 5 mm Large discs: avg vertical diameter > 2. 2 mm
Look at the Neuroreintal rim: ISNT Rule n. Rim width: n. S n. Distance between border of disc and position of blood vessel bending n. N n. T n. ISNT rule: Inferior > Superior > Nasal > Temporal n. I
Localized Rim Thinning/Notching n. Notching
Patterns of Glaucomatous Progression Normal optic disc (left eye) First glaucomatous optic disc change Type of progression of disc abnormality 22% Disc cup enlargement Diffuse enlargement: round-shaped 56% Disc cup enlargement with local notching Diffuse enlargement: vertically oval 9% Local notch Broader local notch 13% Pale neuroretinal rim; no change of configuration Adapted from Tuulonen and Airaksinen. Am J Ophthalmol. 1991. Pale rim; no change of configuration
OCT was taught available with Dr. Tavern
Localized Retinal Nerve fiber layer loss can be seen with red free light on ophthalmoscopy
Event Analysis, Look for VF progression was taught although only FDT available at the clinic Baseline Different from baseline?
AGIS 7 Mean change in visual defect score Sustained IOP reduction below 18 mm. Hg is correlated with stability of visual field 5 Percent of Visits with IOP Less Than 18 mm. Hg 4 100% of visits 75 - 99% of visits 50 - 74% of visits 0 - 49% of visits 3 2 MEAN IOP 20. 2 mm. Hg 16. 9 mm. Hg 14. 7 mm. Hg 1 0 -1 12. 3 mm. Hg 0 1 2 3 4 Follow-up (years) AGIS Investigators, 2000, Am. J. Ophthalmol. , 130, 429 -440 5 6 7 8
Medical Management vs Surgery Both Stabilize Visual Fields Collaborative Initial Glaucoma Treatment Study (CIGTS) Visual Field Score n 35%vs 48% n. IOP lowering Time in Months Lichter et al, Ophthalmology, 2001 Nov: 108 (11) 1943 -53 1 - (reference IOP + VF score)/100 x Reference IOP =40% reduction
Ensuring Compliance With Antiglaucoma Treatment n Communication n n More than 40% of pts being treated with glaucoma do not realize it can lead to blindness GRF survey Education Use the minimum number of medications required to safely achieve the target IOP QD and BID dosing offers best compliance regimens Non-compliance can be as high as 50% for one med, 61% for two meds, 70% for multiple meds Patel, Spaeth: Compliance in patients taking eyedrops for glauocma: Ophthalmic Surg 1995 26 ; 3 ; 233 -236
Do not forget Laser and filtering surgery if medical therapy fails or pts cannot obtain medications.
Dr. Eugene to perform Ahmed valve with corneal patch with resident watching
Haitian Ophthalmology 2 nd year Ophthalmology Residents performing trabeculectomy
Glaucoma Surgery 3 Ahmed valves performed n 13 Trabeculectomies n 3 pediatric examination under anesthesia n 2 Trabeculotomy/Trabeculectomy n
1 st year residents watching nd 2 year ophthalmology Residents performing glaucoma surgery
n. Congenital glaucoma with trabeculotomy under general Anesthesia at the University Hospital Main Operating Room Able to be performed
Still a great need for sutures, instruments, Glaucoma valves and patches, and medications Special thanks to New World Medical, Alabama Eye Bank, and Alcon. 1 tube inserter also donated
Glaucoma Challenges for developing World Compliance n Cost (Medicaitons per month vs Trabeculectomy ) n Lack of manpower n Stigma associated with surgery n Lack of glaucoma awareness n Poor equipment maintenance n Not enough visual rehabilitation programs n
Potential Action items for Glaucoma n n n Train a new generation of trainers in glaucoma subspecialty Encourage sandwich fellowships with physicians in the US and Canada Provide educational, training materials and resources from other countries and translate into French/Creole Systematically link professional development with institution capacity development Further develop and take advantage of online educational resources and link with HSO website
Towards the future in Haiti Important for eyecare providers and officials to ensure that glaucoma becomes a high priority along with cataracts as a treatable disease for blindness and to prevent blindness. n We need continued development, refinement and validation of clinical and educational programs n
Thank you n n n n Keep up the great efforts You are not alone Many are thinking of you and willing to work with you. I believe the private practice/public practice with sliding scale payments will succeed. Ongoing free eyecare by NGO’s undermines ophthalmology in Haiti Must support the residency program that is the future of ophthalmology in Haiti. Must support capacity in the ophthalmologists of HSO
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