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Related Concept Videos

Angle Closure Glaucoma: Treatment01:28

Angle Closure Glaucoma: Treatment

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Angle-closure glaucoma, or closed-angle glaucoma, is an eye condition where the iris bulges out and blocks the iridocorneal angle, resulting in a buildup of aqueous humor and increased intraocular pressure. Immediate medical attention is necessary due to the sudden onset of symptoms. The treatment for angle-closure glaucoma includes short-term and long-term approaches. Short-term treatment involves using eye drops like pilocarpine to lower intraocular pressure by increasing aqueous humor...
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In open-angle glaucoma, the iridocorneal angle remains open, but the trabecular meshwork becomes stiff, slowing down the outflow of aqueous humor. This causes a buildup of aqueous humor in the anterior chamber, leading to a sudden increase in intraocular pressure. The treatment for open-angle glaucoma focuses on reducing the elevated intraocular pressure by either decreasing the secretion of aqueous humor or increasing its outflow.
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Glaucoma is an eye condition characterized by increased intraocular pressure that damages the retina and optic nerve, leading to irreversible blindness if left untreated. The human eye has various components, including the cornea, iris, pupil, lens, and optic nerve. Aqueous humor is secreted by the epithelium of the ciliary body in the posterior chamber and flows through the trabecular meshwork and canal of Schlemm, maintaining normal intraocular pressure. The trabecular meshwork and the canal...
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China Glaucoma Treatment Pattern Study I-Primary Angle-Closure Glaucoma: protocol for a multicentre, retrospective,

Jinyuan Chen1, Jie Du2, Xiaoli Xing3

  • 1Department of Ophthalmology, Fujian Medical University, Fuzhou, Fujian, China.

BMJ Open
|April 4, 2023
PubMed
Summary

This study outlines the China Glaucoma Treatment Pattern Study I (Ch-GTP I), investigating primary angle-closure glaucoma (PACG) treatment trends in China over a decade. It aims to improve understanding of PACG patient profiles and therapeutic strategies.

Keywords:
GlaucomaOPHTHALMOLOGYProtocols & guidelines

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Area of Science:

  • Ophthalmology
  • Public Health
  • Clinical Research Methodology

Background:

  • Primary angle-closure glaucoma (PACG) is a significant global cause of irreversible blindness, with increasing patient numbers.
  • There is a critical knowledge gap regarding the clinical characteristics, treatment options, and patient profiles for PACG in China.
  • Understanding these aspects is crucial for developing effective national strategies to combat PACG.

Purpose of the Study:

  • To describe the design and methodology of the China Glaucoma Treatment Pattern Study I – Primary Angle-Closure Glaucoma (Ch-GTP I).
  • To characterize the patient profile and trends in initial PACG treatment over the past 10 years in China.
  • To provide a comprehensive overview of PACG management patterns across diverse regions in China.

Main Methods:

  • A national, multicenter, retrospective observational study involving 50 hospitals across China.
  • Random sampling of over 7000 patient records for initial PACG treatment between 2011 and 2020.
  • Standardized data abstraction from electronic medical records onto an encrypted online platform, with rigorous data cleaning and integrity checks.

Main Results:

  • Data collection will encompass demographics, clinical characteristics, therapeutic strategies, and early outcomes at discharge.
  • Descriptive statistics will summarize patient demographics and early outcomes.
  • Comparative analyses will identify significant differences in characteristics and treatment trends across regions and years.

Conclusions:

  • The Ch-GTP I study will provide valuable insights into the current landscape of PACG management in China.
  • Findings will inform evidence-based clinical guidelines and public health policies for PACG.
  • The study aims to lay the groundwork for future research and improved patient care for PACG.