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Related Experiment Videos

Hospital Episode Statistics and changing trends in glaucoma surgery.

S G Fraser1, R P L Wormald

  • 1Sunderland Eye Infirmary, Sunderland, Tyne and Wear, UK. sfraser100@totalise.co.uk

Eye (London, England)
|May 20, 2006
PubMed
Summary

Glaucoma surgery rates declined significantly while cataract surgeries increased. Researchers suggest increased cataract extraction may be linked to fewer glaucoma surgeries and no rise in angle-closure glaucoma diagnoses.

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Area of Science:

  • Ophthalmology
  • Public Health
  • Health Informatics

Background:

  • Documented decrease in glaucoma drainage surgery rates.
  • Observed increase in cataract extraction procedures.
  • Potential link between increased medical therapy and reduced surgical rates.

Purpose of the Study:

  • Confirm trends in glaucoma surgery and cataract extraction using NHS Hospital Episode Statistics (HES).
  • Investigate the potential independence or interdependence of these surgical trends.
  • Analyze changes in glaucoma medication use.

Main Methods:

  • Accessed HES data for glaucoma procedures (1998-2004).
  • Extracted data for cataract operations during the same period.
  • Utilized pharmaceutical data for glaucoma medication trends.

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Main Results:

  • Trabeculectomy decreased by 51%, laser trabeculoplasty by 60%, and laser peripheral iridectomy (PI) by 30%.
  • Cataract extractions increased by 52%.
  • Medical glaucoma treatments, particularly prostaglandins, showed an increase; acute glaucoma admissions did not rise.

Conclusions:

  • Study confirms decreased glaucoma surgery and increased cataract extraction.
  • Unexpectedly, no increase in angle-closure glaucoma diagnoses or laser PIs was observed.
  • Increased cataract extraction may contribute to reduced glaucoma surgeries and fewer angle-closure glaucoma diagnoses, though data limitations require cautious interpretation.