Second Look— Clinical News and Views

If you missed these Headline News Now items the first time around, AAOS Now gives you a second chance to review them. Headline News Now—the AAOS thrice-weekly, online update of news of interest to orthopaedic surgeons—brings you the latest on clinical, socioeconomic, and political issues, as well as important announcements from AAOS.

Ultrasound and “tennis elbow”
A study in the American Journal of Sports Medicine (AJSM) (June) finds that the size of intrasubstance tears and presence of a lateral collateral ligament tear on ultrasound can be used to guide treatment for lateral elbow tendinopathy. The authors examined 62 elbows (34 right, 28 left) in 62 patients (30 male, 32 female) with a clinical diagnosis of lateral elbow tendinopathy. They identified a positive correlation between the presence of a lateral collateral ligament tear (p < 0.0001), the size of the largest intrasubstance tear (p < 0.0001), and a poor outcome. A negative correlation was found between the amount of hypoechogenicity (p = 0.0009) and a poor outcome. No correlation was found with age, sex, side, duration of symptoms, thickness of tendon, or amount of neovascularity.

VTE risk factors and race
A study in the American Journal of Hematology (July) finds significant differences between white and black patients regarding demographic and baseline characteristics as risk factors for venous thromboembolism (VTE). The researchers prospectively collected data from 2,397 consecutive consenting adults (2,002 white, 395 black) diagnosed with VTE at seven centers from August 2003 to March 2009. A significantly higher proportion of black patients had pulmonary embolism (PE) compared to white patients, along with a significantly higher mean body mass index. However, compared to white patients, a significantly lower proportion of black patients had recent surgery, trauma or infection, family history of VTE, and documented thrombophilia. Black patients were significantly more likely to have hypertension, diabetes mellitus, chronic renal disease and dialysis, HIV, and sickle cell disease.

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