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Author Spotlight: Unraveling the Molecular Mechanisms in PCO and Fibrosis Following Cataract Surgery
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Routine preoperative medical testing for cataract surgery.

Lisa Keay1, Kristina Lindsley, James Tielsch

  • 1The George Institute for Global Health, The University of Sydney, Level 24, Maritime Trade Towers, 207 Kent Street, Sydney, NSW, Australia, 2000.

The Cochrane Database of Systematic Reviews
|January 8, 2019
PubMed
Summary

Routine preoperative medical testing does not improve cataract surgery safety or reduce adverse events. Alternative screening methods like health questionnaires may offer cost-effective risk identification for patients undergoing this common procedure.

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Area of Science:

  • Ophthalmology
  • Public Health
  • Health Services Research

Background:

  • Cataract surgery rates are increasing globally, particularly in low- and middle-income countries.
  • Optimizing safety and cost-effectiveness is crucial due to high surgical volumes and patient comorbidities.
  • The necessity of routine preoperative medical testing for cataract surgery requires evaluation.

Purpose of the Study:

  • To assess the evidence for reducing adverse events through routine preoperative medical testing.
  • To estimate the cost-effectiveness of routine preoperative medical testing for cataract surgery.

Main Methods:

  • Systematic review of randomized clinical trials comparing routine preoperative testing to selective or no testing.
  • Searched multiple databases including Cochrane CENTRAL, MEDLINE, Embase, PubMed, and LILACS.
  • Data extraction and risk of bias assessment performed independently by two reviewers.

Main Results:

  • Three randomized clinical trials involving 21,531 cataract surgeries were analyzed.
  • Routine preoperative medical testing did not significantly reduce overall medical adverse events (OR 1.00, 95% CI 0.86-1.16).
  • No reduction in intraoperative or postoperative ocular adverse events was observed; costs were higher with routine testing.

Conclusions:

  • Routine preoperative medical testing does not enhance the safety of cataract surgery.
  • Self-administered health questionnaires may provide a cost-effective alternative for risk assessment.
  • Further research is needed to identify optimal screening strategies, especially in resource-limited settings.