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Implementation of a Modified Risk Stratification Score in Cataract Surgery at a Swiss Public Hospital.
Klemens Paul Kaiser1,2, Ferhat Turgut1,3,4,5, Sophie-Christin Kornelia Ernst1,3,6
1Department of Ophthalmology, Stadtspital Zürich, Zurich, Switzerland.
Clinical Ophthalmology (Auckland, N.Z.)
|September 15, 2025
Summary
Implementing a new cataract surgery risk score (Triemli Cataract Score) may reduce intraoperative complications. The score helps categorize patients, potentially improving surgical outcomes and training.
Area of Science:
- Ophthalmology
- Surgical Outcomes
- Healthcare Management
Background:
- Cataract surgery is a common procedure with potential for intraoperative complications.
- Standardized risk assessment can improve patient safety and surgical planning.
Purpose of the Study:
- To evaluate the impact of the Triemli Cataract Score (TCS) on intraoperative complication rates in cataract surgery.
- To assess the effectiveness of TCS in stratifying patient risk and aligning with complexity levels.
Main Methods:
- Retrospective analysis of 1776 cataract surgeries before and after TCS implementation.
- Patients were categorized into 'routine', 'complex', and 'highly complex' risk groups using TCS.
- Primary endpoint: frequency of intraoperative complications and concordance with risk groups.
Main Results:
- Overall complication rate decreased from 9.5% pre-TCS to 7.4% post-TCS (p=0.054).
- Complication rates varied significantly by TCS risk group: routine (5.6%), highly complex (8.8%), and complex (11.2%; p=0.014).
- Post-TCS, 63.2% of cases were 'routine', 25.3% 'complex', and 11.4% 'highly complex'.
Conclusions:
- The Triemli Cataract Score facilitates consistent preoperative risk stratification in cataract surgery.
- This system shows potential for reducing intraoperative complications and enhancing surgical training and outcome comparability.
