Contents

 Commentary

n MESSAGE FROM THE MEDICAL EDITOR
Thank You Dr. Weinstein   
Eeric Truumees, MD

n FROM THE DESK OF THE PRESIDENT
The Medicare Dilemma  
Richard D. Guyer, MD

 Current Concepts 

n INVITED REVIEW
AMA Guides 6th Edition: An Update on Medical Impairment Ratings and the Disability Evaluation Process 
Robert D. Rondinelli, MD, PhD

n CURVE/COUNTERCURVE
Bracing versus Surgery for a T12 Burst Fracture 
Joon Yung Lee, MD; Moe Lim, MD; FAPTA; Jeffrey C. Wang, MD

n SPECIAL FEATURE
Prophylactic Antibiotics in Spine Surgery:  An Environmental Scan 
David R. Chandler, MD

n LITERATURE REVIEW
New from the Journals 
Ted Dreisinger, PhD; Peter G. Whang; Jonathan N. Grauer, MD; Paul M. Arnold, MD, FACS

 Socioeconomics & Politics 

n PRACTICE MANAGEMENT
Measuring and Monitoring Your Practice's Financial Success 
Brian S. Foley, MD, MBA

n ETHICAL/LEGAL
NASS Expands Scope of Expert Witness Guidelines 
Russell M. Pelton, JD

n ADVOCACY/LEGISLATIVE AFFAIRS/PAC
State Governments Address Managed Care Payment Practices 
Jeffrey J. Wise, MD

n CODING Q & A
Moderate Sedation 
Charles Mick, MD

 NASS News 

n NASS NEWS 

NASS Calendar