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Clinical Applications |
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Sunlight Bonage - a window
on Skeletal Age Assessment
BonAge is the ideal tool for skeletal age evaluation for
children and adolescents with growth abnormalities. Radiation-free,
accurate, and objective, BonAge is designed to provide on-the-spot results
based on the widely accepted Greulich and Pyle method. |
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Skeletal Development
BonAge assesses skeletal age, sometimes known as bone age, by
measuring the ossifying cartilage structures of the wrist, which provide an
excellent window on the development of the skeleton. The unique technology
utilized by BonAge measures the velocity of an ultrasound wave transmitted
through the wrist, using a proprietary algorithm and gender- and
ethnicity-based reference curves to produce a skeletal age result in
years and months. Results, which are produced automatically by the
device without the need for interpretation by a physician, are highly
correlated with conventional readings made using the Greulich and Pyle
method. |
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Growth Module and Height prediction
The device also incorporates additional features related to development,
including a growth module that includes gender- and ethnicity-based growth
follow-up, and adult height prediction. An optional bone strength
assessment package is offered to provide a complete pediatric evaluation
tool for convenience and ease of use for the physician.
The device is
CE approved. |
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Adult Height Prediction
BonAge provides an additional benefit for children
measured for bone age with the device - a calculation of adult height for
the child based on two accepted formulas, Bayley-Pinneau1
and Tanner-Whitehouse2.
These values provide physicians and patients with an estimation of final
adult height and can play a part in decisions about interventions, including
growth hormone treatment. |
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Calculation of Adult Height
Current height, menarche state, biological parents' height, bone age, and
other factors all play a role in determining a patient's expected final
adult height. The device uses the bone age determined by BonAge's ultrasound
measurement for adult height calculation for both methods; other data
relevant to adult height prediction is inputted in the device by the
physician during the patient intake process. |
What the Future Holds
The adult height prediction gives physicians and patients a concrete
estimate of adult height that can be used to help determine the next step in
treatment of children with suspected or proven growth hormone deficiencies.
Some patients may be best served with continued monitoring of bone age and
adult height prediction; others can be reassured that adult height will be
normal once pubertal growth is complete; and others will need growth hormone
treatment.
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Sunlight BonAge is designed to permit the physician to
track the growth and development of the pediatric patient as well as to
measure his bone age. For this purpose, the physician may input various
growth information data in the fields of the patient information form.
Various growth information inputted by the physician is displayed on-screen
and in measurement reports, and percentile data is calculated according to
gender- and ethnic-based reference curves1,2,
in order to facilitate tracking of growth and development. |
Information about a number of
growth parameters inputted by the physician is provided in graphical format
on-screen and in measurement reports. This example shows the patient's
weight and age, superimposed on a series of curves that show normal values
for weight at different ages, at different percentile ranks.
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Contact us direct on 01279 319689 for more information or to arrange a no
obligation demonstration. Purchase and Lease options available.
