Radiological interpretation of images displayed on tablet computers: a systematic review

Caffery, Liam J; Armfield, Nigel R; Smith, Anthony C

doi:10.1259/bjr.20150191

Cited by 21 publications

(12 citation statements)

References 26 publications

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“…Promisingly, in radiology and echocardiography where practice is in essence based on image analysis, recent studies demonstrate that experts can accurately diagnose images on tablets. 11 12 Further, an additional study from the radiological field reveals that experts' subjective evaluation of the quality of radiological images is as positive for tablets as for computer screens. 13 The evidence is promising regarding the usability of handheld devices (smartphones and tablets) for expert teleconsultation.…”

Section: Introductionmentioning

confidence: 99%

Image-based teleconsultation using smartphones or tablets: qualitative assessment of medical experts

et al. 2016

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BackgroundMobile health has promising potential in improving healthcare delivery by facilitating access to expert advice. Enabling experts to review images on their smartphone or tablet may save valuable time. This study aims at assessing whether images viewed by medical specialists on handheld devices such as smartphones and tablets are perceived to be of comparable quality as when viewed on a computer screen.MethodsThis was a prospective study comparing the perceived quality of 18 images on three different display devices (smartphone, tablet and computer) by 27 participants (4 burn surgeons and 23 emergency medicine specialists). The images, presented in random order, covered clinical (dermatological conditions, burns, ECGs and X-rays) and non-clinical subjects and their perceived quality was assessed using a 7-point Likert scale. Differences in devices' quality ratings were analysed using linear regression models for clustered data adjusting for image type and participants’ characteristics (age, gender and medical specialty).ResultsOverall, the images were rated good or very good in most instances and more so for the smartphone (83.1%, mean score 5.7) and tablet (78.2%, mean 5.5) than for a standard computer (70.6%, mean 5.2). Both handheld devices had significantly higher ratings than the computer screen, even after controlling for image type and participants' characteristics. Nearly all experts expressed that they would be comfortable using smartphones (n=25) or tablets (n=26) for image-based teleconsultation.ConclusionThis study suggests that handheld devices could be a substitute for computer screens for teleconsultation by physicians working in emergency settings.

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Section: Introductionmentioning

confidence: 99%

Image-based teleconsultation using smartphones or tablets: qualitative assessment of medical experts

et al. 2016

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“…The number of mobile apps for displaying radiology exams continues to expand, with 11 image viewing apps available for download according to a recent review [13]. In a separate review by Caffery et al, 11 recent publications have evaluated the diagnostic accuracy of reading radiologic exams on tablet computers with comparison to standard workstations [14]. Ten of these used the iPad, as in the current study.…”

Section: Discussionmentioning

confidence: 97%

Remote reading of coronary CTA exams using a tablet computer: utility for stenosis assessment and identification of coronary anomalies

et al. 2016

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The feasibility of remote reading of coronary CT examinations on tablet computers has not been evaluated. The purpose of this study is to evaluate the accuracy of coronary CT angiography reading using an iPad compared to standard 3D workstations. Fifty coronary CT angiography exams, including a spectrum of coronary artery disease and anatomic variants, were reviewed. Coronary CT angiography exams were interpreted by two readers independently on an iPad application (Siemens Webviewer) and a clinical 3D workstation at sessions 2 weeks apart. Studies were scored per vessel for severity of stenosis on a 0-3 scale (0 none, 1 <50 %, 2 ≥50-69 %, 3 ≥70 %). Coronary anomalies were recorded. A consensus read by two experienced cardiac imagers was used as the reference standard. Level of agreement with the reference for iPad and 3D workstations was compared. Multivariate logistic regression was used to analyze the relationship between agreement and display type and to adjust for inter-reader differences. For both readers, there was no significant difference in agreement with the reference standard for per-vessel stenosis scores using either the 3D workstation or the iPad. In a multivariable logistic regression analysis including reader, workstation, and vessel as co-variates, there was no significant association between workstation type or reader and agreement with the reference standard (p > 0.05). Both readers identified 100 % of coronary anomalies using each technique. Reading of coronary CT angiography examinations on the iPad had no influence on stenosis assessment compared to the standard clinical workstation.

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“…[1][2][3][4][5] A recent review found that there were no significant differences in the diagnostic accuracy between the iPad and digital imaging and communication in medicine (DICOM)-calibrated control displays. 6 The US Food and Drug Administration have cleared the use of the iPad for primary radiological diagnosis. 7 However, the clearance is limited to small-matrix images and situations where there is no access to a primary diagnostic display.…”

Section: Introductionmentioning

confidence: 99%

The effect of time in use on the display performance of the iPad

Caffery¹,

Manthey²,

Sim³

2016

BJR

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Objective: The aim of this study was to evaluate changes to the luminance, luminance uniformity and conformance to the digital imaging and communication in medicine greyscale standard display function (GSDF) as a function of time in use for the iPad. Methods: Luminance measurements of the American Association of Physicists in Medicine (AAPM) Group 18 task group (TG18) luminance uniformity and luminance test patterns (TG18-UNL and TG18-LN8) were performed using a calibrated near-range luminance meter. Nine sets of measurements were taken, where the time in use of the iPad ranged from 0 to 2500 h. Results: The maximum luminance (L max ) of the display decreased (367-338 cdm 22

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Radiological interpretation of images displayed on tablet computers: a systematic review

Cited by 21 publications

References 26 publications

Image-based teleconsultation using smartphones or tablets: qualitative assessment of medical experts

Image-based teleconsultation using smartphones or tablets: qualitative assessment of medical experts

Remote reading of coronary CTA exams using a tablet computer: utility for stenosis assessment and identification of coronary anomalies

The effect of time in use on the display performance of the iPad

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