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Related Concept Videos

Fractures: Bone Repair01:27

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Treatment for a fracture is based on the type of break, the bone affected, and the patient's age.
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Aging and its effect on bone remodeling is the most common cause of bone disorders. In young and healthy people, bone deposition and resorption happen at an equal rate to maintain optimal bone health.
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Changes in the Appendicular Skeleton with Age01:09

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The upper and lower limb initially develops as a small bulge called a limb bud, which appears on the lateral side of the early embryo. The upper limb bud appears near the end of the fourth week of development, with the lower limb bud appearing shortly after.
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The upper limb consists of the arm, forearm, wrist, and hand bones. The humerus is the single bone of the upper arm region. Proximally, it has a large, spherical, smooth head that articulates with the glenoid cavity of the scapula to form the glenohumeral or shoulder joint. The margin of the head is the anatomical neck, a residual epiphyseal plate. Laterally it extends to form bony projections called the greater tubercle and the lesser tubercle. Next to the tubercles is the surgical neck, a...
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Related Experiment Video

Updated: Dec 28, 2025

Treatment with Locking Intramedullary Nailing for Intertrochanteric Fracture of the Femur Utilizing a New Awl with a Distal Positioner
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Treatment with Locking Intramedullary Nailing for Intertrochanteric Fracture of the Femur Utilizing a New Awl with a Distal Positioner

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Humeral Shaft Fracture Healing Rates in Older Patients.

Frederic H Pollock, J P Maurer, Aaron Sop

    Orthopedics
    |February 21, 2020
    PubMed
    Summary
    This summary is machine-generated.

    Older adults over 55 have a higher nonunion rate for humeral shaft fractures. Increased age significantly correlates with decreased fracture healing, suggesting age is a key factor in nonunion risk.

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    Area of Science:

    • Orthopedic Surgery
    • Traumatology
    • Geriatric Medicine

    Background:

    • Nonoperative treatment is standard for most humeral shaft fractures.
    • Existing research often focuses on younger patient cohorts from trauma centers.

    Purpose of the Study:

    • To determine the nonunion rate of humeral shaft fractures in patients aged 55 and older.
    • To investigate the correlation between age and fracture healing in this demographic.

    Main Methods:

    • Retrospective study of patients aged 55+ treated nonoperatively for humeral shaft fractures (2007-2017).
    • Defined nonunion as lack of bridging callus or gross motion at 12 weeks post-injury.
    • Analyzed demographics, comorbidities, AO/OTA classification, and fracture location.

    Main Results:

    • 31 patients met inclusion criteria (mean age 72.5 years).
    • Overall nonunion rate was 32% (10 of 31 patients).
    • A significant negative correlation was found between age and union rate (R=-0.9, P=.045).

    Conclusions:

    • Humeral shaft fractures in patients over 55 have a higher nonunion rate compared to younger adults.
    • Increased patient age is significantly associated with decreased fracture union.
    • This study highlights age as a critical factor influencing nonunion in elderly patients with humeral shaft fractures.