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 Announces Annual Meeting Hotels
NASS Annual Meeting • Austin, TX
World Spine IV to Convene in Istanbul
Fourth Interdisciplinary Congress on Spine Care---World Spine IV
Spine Safety Alerts
- Trasylol
- Rituxan
- Heparin Sodium Injection
- MRI Contrast Agents Containing Gadolinium and Nephrogenic Fibrosing Dermopathy
- Coumadin
AMA and NASS to Conduct Physician Practice Information
NASS Calendar