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Measurement of the Hand Transmitted Vibration of the Human Hand Arm System During Operation of a Hand Tractor
Published on: June 16, 2021
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Vibration transmittance measures sternotomy stability - a preliminary study in human cadavers
Juha Hautalahti1,2, Atte Joutsen3,4, Sirkka Goebeler5
1Department of Cardiothoracic Surgery, Tampere Heart Hospital Co., Ensitie 4, FI-33520, Tampere, Finland. juha.hautalahti@gmail.com.
Journal of Cardiothoracic Surgery
|January 9, 2019
Summary
Vibration transmittance effectively detects sternal diastasis, differentiating intact, stable, and unstable sternotomies. This method shows promise for early detection of sternal instability, aiding in complication prevention.
Area of Science:
- Biomedical Engineering
- Surgical Innovation
- Diagnostic Technologies
Background:
- Sternal stability is critical for post-sternotomy healing.
- Early detection of sternal diastasis can prevent complications.
- Mechanical vibration transmittance offers a potential new diagnostic method.
Purpose of the Study:
- To confirm if vibration transmittance can detect sternal diastasis in human cadaveric tissue.
- To evaluate the efficacy of vibration transmittance in differentiating sternal closure states.
Main Methods:
- Utilized ten adult human cadavers for sternal assessments.
- Measured vibration transmittance across median sternotomies at various fixation states (intact, stable, unstable).
- Employed a generalized linear mixed model to analyze the data.
Main Results:
- Vibration transmittance significantly differed between intact, stable, and unstable sternotomy closures (p < 0.001).
- A 78% decrease in transmittance was observed from intact to stable, and 58% from stable to unstable.
- The method's gap detection capability was independent of the tested costal level.
Conclusions:
- Vibration transmittance analysis successfully differentiates sternal states: intact, stable fixation, and diastasis.
- The technique is not dependent on the specific costal level tested.
- This method holds potential for early sternal instability detection and warrants further research.
Keywords:
ElectronicsIntegrityPostoperative complicationsSternotomySternumVibration transmittanceWound healingMore Related Videos
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