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Updated: Aug 4, 2025

Video Movement Analysis Using Smartphones ViMAS: A Pilot Study
Published on: March 14, 2017
A Quantitative Analysis of Smartphone-Based Endoscopy and Video Tower Endoscopy
Matthew Maksimoski1,2, Sarah E Maurrasse3,4, Taher Valika1,4
1Department of Otolaryngology - Head and Neck Surgery, Northwestern University, Chicago, IL, USA.
Smartphone-based endoscopy (SBE) is a cost-effective and efficient alternative to traditional tower-based endoscopy (TBE). SBE systems offer significant cost savings, reduced setup times, and comparable image quality for clinical use.
Area of Science:
- Medical Devices
- Endoscopy Technology
- Health Informatics
Background:
- Traditional tower-based endoscopy (TBE) systems are standard but costly and time-consuming.
- Emerging smartphone-based endoscopy (SBE) offers potential advantages in cost and efficiency.
Purpose of the Study:
- To compare traditional tower-based endoscopy (TBE) with smartphone-based endoscopy (SBE).
- Objective measures included cost, setup time, and image quality.
Main Methods:
- A cost analysis and a randomized, single-blinded prospective trial were conducted.
- Twenty-three healthcare providers evaluated both SBE and TBE systems.
- Setup times were recorded, and image quality was assessed via blinded review of standardized tests.
Main Results:
- SBE demonstrated 95.8% cost savings ($39,917 USD) per system compared to TBE.
- SBE setup time was significantly faster, averaging 46.7 seconds less than TBE (P < .001).
- Image quality analysis showed slightly better visual discernment with SBE (4.2 mm) versus TBE (5.9 mm) (P < .001).
Conclusions:
- Smartphone-based endoscopy (SBE) is cheaper, faster to set up, and offers comparable image quality to TBE.
- Clinicians should consider SBE as a viable option for viewing and collaborating on endoscopic images.
- The clinical significance of minor image quality differences requires further investigation.
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