2009
DOI: 10.1002/lsm.20863
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Three‐dimensional surface imaging for clinical trials: Improved precision and reproducibility in circumference measurements of thighs and abdomens

Abstract: 3D photography is a valuable tool that enables investigators to reliably detect minute changes in body shape; consequently, 3D photography reduces the number of subjects needed to sufficiently power a clinical study. For studies involving abdominal circumference, utilizing 3D photography reduces the number of subjects needed by 1/2 to 2/3.

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Cited by 15 publications
(13 citation statements)
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“…In this study, this was minimized by having two independent evaluators and four repetitive measures of each area for statistical analysis. Our data confirms the feasibility, reliability and reproducibility of quantitative volume measurements using three‐dimensional imaging as demonstrated before . The quantification of volume change in the control site, which was not statistically significant, also supports the conclusion that the change of average weight during the study (average of 2 lb loss over 2 months) cannot account for the calculated loss of volume in the treated side.…”
Section: Discussionsupporting
confidence: 88%
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“…In this study, this was minimized by having two independent evaluators and four repetitive measures of each area for statistical analysis. Our data confirms the feasibility, reliability and reproducibility of quantitative volume measurements using three‐dimensional imaging as demonstrated before . The quantification of volume change in the control site, which was not statistically significant, also supports the conclusion that the change of average weight during the study (average of 2 lb loss over 2 months) cannot account for the calculated loss of volume in the treated side.…”
Section: Discussionsupporting
confidence: 88%
“…In addition, as reported before the 3D imaging analysis was able to detect subtle changes in volume loss ( Fig. 6) and proved to be more superior than use of blinded evaluators to detect effectiveness of treatment [12].…”
Section: Discussionsupporting
confidence: 65%
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“…Entre las ventajas mencionadas, asociadas al depósito térmico de los 2 láseres, se suman los efectos notables en la retracción de la piel según los resultados de este estudio y de acuerdo también con otros autores (3). La cámara digital de superficie constituye un método de diagnóstico comparativo fiable y objetivo de evaluación de la textura-flacidez cutánea (14,15). Weiss en 2009 (16), y nosotros mismos en 2012 y 2014 (7,17), hemos comunicado sobre los buenos resultados alcanzados por la lipólisis láser para la remodelación de rodillas y pantorrillas, observando una alta satisfacción por parte de las pacientes tratadas.…”
Section: Discussionunclassified
“…The calibrated dimensional imaging system collected each image in under 4 ms to produce a 3D model. Vectra systems have been validated for accuracy and are in clinical use . Digital 2D images were obtained using a Phase One P25 Camera Back, Hasselblad 503w Camera System, 2kWatt Studio Flash System (Canfield Scientific, Inc.).…”
mentioning
confidence: 99%