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Digital ischemia in baseball players.

M Sugawara, T Ogino, A Minami

    The American Journal of Sports Medicine
    |July 1, 1986
    PubMed
    Summary
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    Repetitive ball impact in baseball can cause digital ischemia (reduced blood flow to fingers) in young players. Incidence increases with playing time, particularly affecting the left index finger.

    Area of Science:

    • Sports Medicine
    • Vascular Biology

    Background:

    • Repetitive trauma in sports can lead to vascular compromise.
    • Digital ischemia is a condition characterized by reduced blood flow to the fingers.

    Observation:

    • Eight adolescent baseball players presented with symptoms of digital ischemia.
    • Symptoms included coolness, numbness, cyanosis, paleness, and positive digital Allen's test.
    • Vascular imaging (angiograms, thermograms) revealed occluded digital arteries and cool areas.

    Findings:

    • Digital ischemia incidence was investigated in 578 baseball players across different age groups.
    • No cases were found in junior high players, but incidence rose in high school (21.9%) and college (40.3%) players.
    • The probability of developing digital ischemia correlated with accumulated playing time, predominantly affecting the left index finger.

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    Implications:

    • Baseball participation, especially at higher levels, is associated with an increased risk of digital ischemia.
    • Early identification and potential preventative measures are crucial for young athletes.
    • Further research into the biomechanics of ball impact and vascular adaptation is warranted.