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Can 3D Camera Imaging Provide Improved Information to Assess and Manage Lymphoedema in Clinical Practice? / CHERYL PIKE

Swansea University Author: CHERYL PIKE

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DOI (Published version): 10.23889/SUthesis.57243

Abstract

Background Accurate diagnosis and measurement of limb volume in people with lymphoedema is important in order to provide best information for treatment, management and self-management. Current assessment methods lack detail and accuracy. Three-dimensional camera imaging (3DCI) holds the potential to...

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Published: Swansea 2021
Institution: Swansea University
Degree level: Doctoral
Degree name: Ph.D
Supervisor: Fenlon, Deborah R. ; van Loon, Raoul ; Edwards, Darren J.
URI: https://cronfa.swan.ac.uk/Record/cronfa57243
first_indexed 2021-06-29T14:54:22Z
last_indexed 2021-06-30T03:23:49Z
id cronfa57243
recordtype RisThesis
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spelling 2021-06-29T16:22:21.5592932 v2 57243 2021-06-29 Can 3D Camera Imaging Provide Improved Information to Assess and Manage Lymphoedema in Clinical Practice? 69d9bf63695a8d64d021a9a3134300b2 CHERYL PIKE CHERYL PIKE true false 2021-06-29 Background Accurate diagnosis and measurement of limb volume in people with lymphoedema is important in order to provide best information for treatment, management and self-management. Current assessment methods lack detail and accuracy. Three-dimensional camera imaging (3DCI) holds the potential to be cheap, accurate, and provide additional material about limb shape not provided by current methods. However, there is a need to ensure that this assessment method is valid and reliable. Methodology This prospective, observational, longitudinal study utilised a diagnostic test study framework to determine the validity, reliability and accuracy of 3DCI compared to circumferential tape measurement (CTM) and perometry and to explore whether shape is a feasible alternative to measure upper limb lymphoedema. Twenty women with breast cancer-related lymphoedema were recruited. Phase one assessed criterion validity, intra-rater reliability, and accuracy of 3DCI by measuring limb volume of each participant with CTM, perometry and 3DCI four times over six months. Phase two investigated the use of limb shape as a method of lymphoedema assessment using oedema maps and calculations of shape redundancy derived from the 3DCI images in phase one. These data sets were matched against limb volume to determine criterion validity, intra-rater reliability and accuracy. Results 3DCI had high intra-rater correlation (ICC=0.87; p<0.00). Concurrent validity ranged from 0.82 to 0.86 against perometry and CTM, with good sensitivity (91.7% to 100%) and moderate specificity (50% to 66.7%). Limb shape calculation (shape redundancy) had moderate intra-rater correlation (ICC=0.71; p=0.01); but correlated poorly with limb volume (r=0.19 to 0.39). Coloured oedema maps were sensitive to change over time with colours clearly identifying problem areas and fluctuations within the affected limb. Conclusion Our study shows that 3DCI is a reliable, valid and accurate method of limb volume measurement, and that it could provide supportive information in clinical assessment. In addition, limb shape provides insight into localised areas of swelling, which other methods of lymphoedema measurement do not. However, shape redundancy requires further refinement. E-Thesis Swansea Lymphoedema, 3D Imaging, Circumferential Tape Measure, Perometer, Breast Cancer 26 5 2021 2021-05-26 10.23889/SUthesis.57243 COLLEGE NANME COLLEGE CODE Swansea University Fenlon, Deborah R. ; van Loon, Raoul ; Edwards, Darren J. Doctoral Ph.D 2021-06-29T16:22:21.5592932 2021-06-29T15:50:19.9054077 Faculty of Medicine, Health and Life Sciences School of Health and Social Care - Nursing CHERYL PIKE 1 57243__20301__e61c8db04d2448f7ba89a5084b873be1.pdf Pike_Cheryl_E_PhD_Thesis_Final_Redacted_Signature.pdf 2021-06-29T16:15:34.3972988 Output 8703575 application/pdf E-Thesis – open access true Copyright: The author, Cheryl Elizabeth Pike, 2020. true eng
title Can 3D Camera Imaging Provide Improved Information to Assess and Manage Lymphoedema in Clinical Practice?
spellingShingle Can 3D Camera Imaging Provide Improved Information to Assess and Manage Lymphoedema in Clinical Practice?
CHERYL PIKE
title_short Can 3D Camera Imaging Provide Improved Information to Assess and Manage Lymphoedema in Clinical Practice?
title_full Can 3D Camera Imaging Provide Improved Information to Assess and Manage Lymphoedema in Clinical Practice?
title_fullStr Can 3D Camera Imaging Provide Improved Information to Assess and Manage Lymphoedema in Clinical Practice?
title_full_unstemmed Can 3D Camera Imaging Provide Improved Information to Assess and Manage Lymphoedema in Clinical Practice?
title_sort Can 3D Camera Imaging Provide Improved Information to Assess and Manage Lymphoedema in Clinical Practice?
author_id_str_mv 69d9bf63695a8d64d021a9a3134300b2
author_id_fullname_str_mv 69d9bf63695a8d64d021a9a3134300b2_***_CHERYL PIKE
author CHERYL PIKE
author2 CHERYL PIKE
format E-Thesis
publishDate 2021
institution Swansea University
doi_str_mv 10.23889/SUthesis.57243
college_str Faculty of Medicine, Health and Life Sciences
hierarchytype
hierarchy_top_id facultyofmedicinehealthandlifesciences
hierarchy_top_title Faculty of Medicine, Health and Life Sciences
hierarchy_parent_id facultyofmedicinehealthandlifesciences
hierarchy_parent_title Faculty of Medicine, Health and Life Sciences
department_str School of Health and Social Care - Nursing{{{_:::_}}}Faculty of Medicine, Health and Life Sciences{{{_:::_}}}School of Health and Social Care - Nursing
document_store_str 1
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description Background Accurate diagnosis and measurement of limb volume in people with lymphoedema is important in order to provide best information for treatment, management and self-management. Current assessment methods lack detail and accuracy. Three-dimensional camera imaging (3DCI) holds the potential to be cheap, accurate, and provide additional material about limb shape not provided by current methods. However, there is a need to ensure that this assessment method is valid and reliable. Methodology This prospective, observational, longitudinal study utilised a diagnostic test study framework to determine the validity, reliability and accuracy of 3DCI compared to circumferential tape measurement (CTM) and perometry and to explore whether shape is a feasible alternative to measure upper limb lymphoedema. Twenty women with breast cancer-related lymphoedema were recruited. Phase one assessed criterion validity, intra-rater reliability, and accuracy of 3DCI by measuring limb volume of each participant with CTM, perometry and 3DCI four times over six months. Phase two investigated the use of limb shape as a method of lymphoedema assessment using oedema maps and calculations of shape redundancy derived from the 3DCI images in phase one. These data sets were matched against limb volume to determine criterion validity, intra-rater reliability and accuracy. Results 3DCI had high intra-rater correlation (ICC=0.87; p<0.00). Concurrent validity ranged from 0.82 to 0.86 against perometry and CTM, with good sensitivity (91.7% to 100%) and moderate specificity (50% to 66.7%). Limb shape calculation (shape redundancy) had moderate intra-rater correlation (ICC=0.71; p=0.01); but correlated poorly with limb volume (r=0.19 to 0.39). Coloured oedema maps were sensitive to change over time with colours clearly identifying problem areas and fluctuations within the affected limb. Conclusion Our study shows that 3DCI is a reliable, valid and accurate method of limb volume measurement, and that it could provide supportive information in clinical assessment. In addition, limb shape provides insight into localised areas of swelling, which other methods of lymphoedema measurement do not. However, shape redundancy requires further refinement.
published_date 2021-05-26T04:56:04Z
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score 11.444458

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