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The prevalence of diabetic retinopathy in Trang province determined by retinal photography and comprehensive eye examination.
J Med Assoc Thai. 2008 May; 91(5):716-22.JM

Abstract

OBJECTIVE

To determine the prevalence of diabetic retinopathy (DR) in Trang province using retinal photography and comprehensive eye examination.

METHOD

Seven hundred fourteen patients with diabetes (7% of the total number of diabetes in the province) were examined by single-field digital retinal photography interpreted by a retinal specialist and a stereoscopic method using indirect ophthalmolscopy and slit lamp biomicroscopy with wide field contact lens. The latter method was performed by an experienced ophthalmologist assisted by the same retinal specialist.

RESULTS

There was 19.2% nonproliferative diabetic retinopathy (NPDR), and 1.1% proliferative diabetic retinopathy (PDR), identified by the comprehensive examination for the right eyes. This modality also identified 18.5% NPDR, and 1.3% PDR, for the left eyes. There was 23.8% nonproliferative diabetic retinopathy (NPDR), and 1.4% proliferative diabetic retinopathy (PDR) identified by retinal photography for the right eyes. This modality also identified 22.6% NPDR, and 1.3% PDR for the left eyes. The sight-threatening cases were identified by both modalities with approximately 3% for both eyes. The photography had moderate agreement (K = 0.5, both eyes) with the comprehensive examination for the identification of diabetic macular edema with 78.6% and 68.8% sensitivity for the right and left eyes. For the identification of moderate NPDR, severe NPDR, and PDR, the photography had substantial agreement (K = 0.7, both eyes) with 88.2% and 83.3 sensitivity for the right and left eyes.

CONCLUSIONS

Trang province may have approximately 300 sight-threatening DR patients. This may project to 180,000 patients nationwide. Retinal photography may determine more cases than clinical examination. Combination of both modalities for DR identification may yield a closer estimate to the real prevalence.

Authors+Show Affiliations

Department of Ophthalmology, Trang Provincial Hospital, Trang, Thailand. trgtrang@hotmail.comNo affiliation info availableNo affiliation info available

Pub Type(s)

Journal Article

Language

eng

PubMed ID

18672638

Citation

Supapluksakul, Supachai, et al. "The Prevalence of Diabetic Retinopathy in Trang Province Determined By Retinal Photography and Comprehensive Eye Examination." Journal of the Medical Association of Thailand = Chotmaihet Thangphaet, vol. 91, no. 5, 2008, pp. 716-22.
Supapluksakul S, Ruamviboonsuk P, Chaowakul W. The prevalence of diabetic retinopathy in Trang province determined by retinal photography and comprehensive eye examination. J Med Assoc Thai. 2008;91(5):716-22.
Supapluksakul, S., Ruamviboonsuk, P., & Chaowakul, W. (2008). The prevalence of diabetic retinopathy in Trang province determined by retinal photography and comprehensive eye examination. Journal of the Medical Association of Thailand = Chotmaihet Thangphaet, 91(5), 716-22.
Supapluksakul S, Ruamviboonsuk P, Chaowakul W. The Prevalence of Diabetic Retinopathy in Trang Province Determined By Retinal Photography and Comprehensive Eye Examination. J Med Assoc Thai. 2008;91(5):716-22. PubMed PMID: 18672638.
* Article titles in AMA citation format should be in sentence-case
TY - JOUR T1 - The prevalence of diabetic retinopathy in Trang province determined by retinal photography and comprehensive eye examination. AU - Supapluksakul,Supachai, AU - Ruamviboonsuk,Paisan, AU - Chaowakul,Wansa, PY - 2008/8/5/pubmed PY - 2008/9/11/medline PY - 2008/8/5/entrez SP - 716 EP - 22 JF - Journal of the Medical Association of Thailand = Chotmaihet thangphaet JO - J Med Assoc Thai VL - 91 IS - 5 N2 - OBJECTIVE: To determine the prevalence of diabetic retinopathy (DR) in Trang province using retinal photography and comprehensive eye examination. METHOD: Seven hundred fourteen patients with diabetes (7% of the total number of diabetes in the province) were examined by single-field digital retinal photography interpreted by a retinal specialist and a stereoscopic method using indirect ophthalmolscopy and slit lamp biomicroscopy with wide field contact lens. The latter method was performed by an experienced ophthalmologist assisted by the same retinal specialist. RESULTS: There was 19.2% nonproliferative diabetic retinopathy (NPDR), and 1.1% proliferative diabetic retinopathy (PDR), identified by the comprehensive examination for the right eyes. This modality also identified 18.5% NPDR, and 1.3% PDR, for the left eyes. There was 23.8% nonproliferative diabetic retinopathy (NPDR), and 1.4% proliferative diabetic retinopathy (PDR) identified by retinal photography for the right eyes. This modality also identified 22.6% NPDR, and 1.3% PDR for the left eyes. The sight-threatening cases were identified by both modalities with approximately 3% for both eyes. The photography had moderate agreement (K = 0.5, both eyes) with the comprehensive examination for the identification of diabetic macular edema with 78.6% and 68.8% sensitivity for the right and left eyes. For the identification of moderate NPDR, severe NPDR, and PDR, the photography had substantial agreement (K = 0.7, both eyes) with 88.2% and 83.3 sensitivity for the right and left eyes. CONCLUSIONS: Trang province may have approximately 300 sight-threatening DR patients. This may project to 180,000 patients nationwide. Retinal photography may determine more cases than clinical examination. Combination of both modalities for DR identification may yield a closer estimate to the real prevalence. SN - 0125-2208 UR - https://www.unboundmedicine.com/medline/citation/18672638/The_prevalence_of_diabetic_retinopathy_in_Trang_province_determined_by_retinal_photography_and_comprehensive_eye_examination_ L2 - https://medlineplus.gov/diabeticeyeproblems.html DB - PRIME DP - Unbound Medicine ER -