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Korean Journal of Ophthalmology ; : 114-122, 2022.
Article in English | WPRIM | ID: wpr-926694


Purpose@#To analyze 10-year trends in utilization of visual field tests for adult glaucoma or glaucoma-suspect patients using the Korean Health Insurance Review and Assessment data. @*Methods@#Health claims for the years 2010 to 2019, as recorded via Korea’s Health Insurance Review and Assessment service, were accessed. We identified glaucoma patients using the glaucoma diagnostic codes H40 (glaucoma) and H42 (glaucoma in other diseases classified elsewhere). For verification of the glaucoma diagnosis, information on any antiglaucoma medication prescriptions and ocular surgery history also was obtained. Visual field testing data was isolated using procedural codes E6690 (kinetic perimetry) and E6691 (standard automated perimetry [SAP]) performed in tertiary hospitals. Any changes in visual field test utilization were identified using regression trend analysis. @*Results@#From 2010 to 2019, the total number of SAP procedures performed in tertiary hospitals for either glaucoma or glaucoma-suspect patients increased gradually from 93,459 to 216,433. With regard to kinetic perimetry examinations, the total number decreased gradually from 6,364 to 3,792. The yearly average SAP number per patient showed a slight increase, from 1.168 to 1.248 (ß = 0.008, R2 = 0.669, p = 0.004). Meanwhile, the yearly average number of kinetic perimeter examinations per patient showed a significant decrease, from 1.093 to 0.940 (ß = -0.013, R2 = 0.580, p = 0.010). @*Conclusions@#Between 2010 and 2019, the yearly average number of SAP procedures performed per glaucoma or glaucoma-suspect patient increased in Korea. Meanwhile, the yearly average number of kinetic perimetry examinations per patient significantly decreased.

Journal of Veterinary Science ; : 141-146, 2009.
Article in English | WPRIM | ID: wpr-221143


The effect of NaCl plus 3% chitosan on the systolic blood pressure of spontaneously hypertensive rats (SHR) were evaluated and compared with NaCl plus KCl (NaCl, 49.36% + KCl 49.36%) and chitosan or NaCl treatment alone. In SHR, administration of NaCl plus chitosan (44 mM Na/day) for two months significantly decreased the systolic blood pressure greater than of NaCl plus KCl and NaCl alone. NaCl plus chitosan resulted, though not statistically significant, in decreased urinary Na+ excretion and decreased blood urea nitrogen levels. Urinary creatinine of NaCl plus chitosan was slightly decreased compared to 3 treated groups. Serum electrolytes levels, however, remained unchanged. The combination of NaCl and chitosan may be superior to the conventional use of NaCl plus KCl or NaCl alone in the prevention of hypertension. Even though these supplementary diets have demonstrated potential anti-hypertensive effects in the experimental animal model, further research is needed before any recommendations can be made.

Animals , Male , Rats , Angiotensin I/blood , Angiotensin II/biosynthesis , Blood Pressure/drug effects , Blood Urea Nitrogen , Body Weight/drug effects , Chitosan/administration & dosage , Chlorides/blood , Creatinine/urine , Heart/physiology , Histocytochemistry , Hypertension/prevention & control , Kidney/physiology , Potassium/blood , Potassium Chloride/administration & dosage , Random Allocation , Rats, Inbred SHR , Sodium/blood , Sodium Chloride, Dietary/administration & dosage , Systole/drug effects