An updated clinical practice guideline released by the American Academy of Orthopaedic Surgeons (AAOS) Board of Directors recommends how to reduce the likelihood of blood clots after hip or knee replacement surgery, procedures that more than 800,000 Americans undergo each year. The new guideline suggests use of preventive treatments and advises against routinely screening patients after surgery using ultrasound imaging. "Hip and knee arthroplasty [joint replacement surgery] is among the most successful of procedures in terms of restoring function and minimizing pain...
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