Haitao Chai

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Both metaproterenol sulfate and albuterol are inhaled medications commonly used to prevent exercise-induced bronchospasm. Their efficacy and duration of action in controlling exercise-induced bronchospasm were compared with placebo in 18 asthmatic children (age range: 12 to 17 years) in a single-blind randomized crossover study. Standardized treadmill(More)
Posterior subcapsular cataracts (PSCC) are known complications of systemic steroid therapy. Previous studies have not clearly identified the asthmatic children at risk for the development of PSCC. The possible factors associated with systemic steroid administration that may influence the development of PSCC in asthmatic children were evaluated: (1) duration(More)
Purpose We quantified retinal and choriocapillaris microvascular changes in healthy control eyes and different stages of diabetic retinopathy (DR) using optical coherence tomography angiography (OCTA). Methods This retrospective cross-sectional study included 137 eyes of 86 patients with different stages of DR and 44 eyes of 26 healthy age-matched(More)
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