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A study published online in The Journal of Arthroplasty suggests that "running two operating rooms" may not compromise patient safety or outcomes for hip or knee arthroplasty procedures. 

The researchers reviewed information on 16,916 arthroplasties (7,511 total hip arthroplasties and 9,405 total knee arthroplasties) performed at a single center over an 11-year period. Overall, 7,002 cases (41 percent) were consecutive cases and 9,914 cases (59 percent) were overlapping cases. The researchers found no significant difference across cohorts in 90-day component revision rates or 90-day complication rates. Learn more...