Facet joint arthritis as the presenting symptom for culture-negative Aggregatibacter aphrophilus native valve endocarditis in a patient without known cardiac disease: a case report.

Background: Aggregatibacter aphrophilus (A. aphrophilus) is a rare cause of infective endocarditis (IE), but is a recognized cause of culture-negative IE. The risk of developing IE is increased in patients with valvular disease or prosthetic valves.

A Comprehensive Summary of Systematic Reviews on Sports Injury Prevention Strategies.

Background: A large volume of systematic reviews and meta-analyses has been published on the effectiveness of sports injury prevention programs.

Purpose: To provide a qualitative summary of published systematic reviews and meta-analyses that have examined the effectiveness of sports injury prevention programs on reducing musculoskeletal injuries.

Study Design: Systematic review; Level of evidence, 4.