Performance Improvement System and Postoperative Corneal Injuries

Author:

Martin David P.1,Weingarten Toby N.2,Gunn Paul W.3,Lee KunMoo4,Mahr Michael A.5,Schroeder Darrell R.6,Sprung Juraj7

Affiliation:

1. Associate Professor.

2. Assistant Professor.

3. Resident in Anesthesiology.

4. Research Fellow, Department of Anesthesiology, College of Medicine, Mayo Clinic, and the Department of Anesthesiology, Paik Hospital, College of Medicine, InJe University, Busan, South Korea.

5. Assistant Professor, Department of Ophthalmology.

6. Assistant Professor of Biostatistics, College of Medicine, Mayo Clinic, Rochester, Minnesota.

7. Professor, Department of Anesthesiology.

Abstract

Background The authors' department conducted a performance improvement initiative aimed to reduce the rate of perioperative corneal injuries. This study reports the effects of the initiative and examines the risk factors for corneal injury. Method The rate of corneal injuries during nonophthalmologic procedures under anesthesia was compared between the two time periods: preinitiative baseline (August 1, 2005-December 31, 2005) and initiative period (January 1, 2006-April 30, 2007). To examine the risk factors for corneal injury, a nested case-control study with a 2:1 matched-set design was separately performed and included cases between January 1, 2006 and July 31, 2008. Results During the baseline period, the corneal injury rate was 1.51 per 1,000, and it decreased to 0.79 per 1,000 during the performance initiative (P = 0.008). Independent risk factors were longer anesthetics (odds ratio = 1.2, 95% confidence interval (CI) 1.1-1.3 per 30 min), lower American Society of Anesthesiologists physical status (odds ratio 0.5, 95% CI 0.3-0.8 for American Society of Anesthesiologists physical status 3-4 vs. 1-2), and student nurse anesthetist as a primary anesthesia provider (odds ratio 2.6, 95% CI 1.3-5.0). Conclusion Corneal injury rate in our institution was significantly reduced and remains at low levels long after initiation of perioperative eye care improvement initiative. The higher rate of corneal injuries among student nurse anesthetists highlights the importance of standardizing education and supervision among all anesthesia providers. We believe that our model of performance improvement initiative can be used to improve other perioperative outcomes.

Publisher

Ovid Technologies (Wolters Kluwer Health)

Subject

Anesthesiology and Pain Medicine

Reference8 articles.

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