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Optimizing Arterial Tissue Thickness Measurement Protocols: Digital Vernier Caliper Versus Digital Thickness Gauge
Alexandru Petru Ion1,2, Alexandra Asztalos3, Claudiu Constantin Ciucanu1,4,5
1Doctoral School of Medicine and Pharmacy, George Emil Palade University of Medicine, Pharmacy, Science and Technology of Targu Mures, 540139 Targu Mures, Romania.
A specialized thickness gauge provides more reliable tissue thickness measurements than digital calipers, even for inexperienced users. Averaging measurements from specific points on a digital vernier caliper can improve consistency.
Area of Science:
- Biomedical Engineering
- Materials Science
- Surgical Research
Background:
- Assessing tissue thickness is crucial in various medical and research applications.
- Standard tools like digital vernier calipers may have limitations in reproducibility, especially with non-expert users.
Purpose of the Study:
- To evaluate the reproducibility of sample thickness measurements using digital vernier calipers versus a specialized thickness gauge.
- To compare measurement accuracy between different protocols for digital vernier calipers.
Main Methods:
- Porcine thoracic aorta samples (10x10 mm) were used.
- Thickness was measured using digital vernier calipers (four protocols) and a specialized digital thickness gauge (one protocol).
- Measurements were taken by a non-experienced user to assess practical reproducibility.
Main Results:
- The specialized digital thickness gauge yielded more consistent measurements than the digital vernier calipers.
- Digital vernier calipers recorded lower thickness values compared to the specialized gauge.
- Averaging measurements from specific points (corners, diagonals) with the digital vernier caliper improved consistency.
Conclusions:
- A specialized digital thickness gauge is recommended for dependable tissue thickness assessment, irrespective of user expertise.
- While less reproducible than specialized gauges, digital vernier calipers can yield reliable results when measurement protocols involving averaging are employed.
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