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Digital transformation in the area of health: systematic review of 45 years of evolution. HEALTH AND TECHNOLOGY 2019. [DOI: 10.1007/s12553-019-00402-8] [Citation(s) in RCA: 31] [Impact Index Per Article: 6.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/26/2022]
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Dinnes J, Deeks JJ, Grainge MJ, Chuchu N, Ferrante di Ruffano L, Matin RN, Thomson DR, Wong KY, Aldridge RB, Abbott R, Fawzy M, Bayliss SE, Takwoingi Y, Davenport C, Godfrey K, Walter FM, Williams HC. Visual inspection for diagnosing cutaneous melanoma in adults. Cochrane Database Syst Rev 2018; 12:CD013194. [PMID: 30521684 PMCID: PMC6492463 DOI: 10.1002/14651858.cd013194] [Citation(s) in RCA: 24] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/20/2022]
Abstract
BACKGROUND Melanoma has one of the fastest rising incidence rates of any cancer. It accounts for a small percentage of skin cancer cases but is responsible for the majority of skin cancer deaths. History-taking and visual inspection of a suspicious lesion by a clinician is usually the first in a series of 'tests' to diagnose skin cancer. Establishing the accuracy of visual inspection alone is critical to understating the potential contribution of additional tests to assist in the diagnosis of melanoma. OBJECTIVES To determine the diagnostic accuracy of visual inspection for the detection of cutaneous invasive melanoma and atypical intraepidermal melanocytic variants in adults with limited prior testing and in those referred for further evaluation of a suspicious lesion. Studies were separated according to whether the diagnosis was recorded face-to-face (in-person) or based on remote (image-based) assessment. SEARCH METHODS We undertook a comprehensive search of the following databases from inception up to August 2016: CENTRAL; CINAHL; CPCI; Zetoc; Science Citation Index; US National Institutes of Health Ongoing Trials Register; NIHR Clinical Research Network Portfolio Database; and the World Health Organization International Clinical Trials Registry Platform. We studied reference lists and published systematic review articles. SELECTION CRITERIA Test accuracy studies of any design that evaluated visual inspection in adults with lesions suspicious for melanoma, compared with a reference standard of either histological confirmation or clinical follow-up. We excluded studies reporting data for 'clinical diagnosis' where dermoscopy may or may not have been used. DATA COLLECTION AND ANALYSIS Two review authors independently extracted all data using a standardised data extraction and quality assessment form (based on QUADAS-2). We contacted authors of included studies where information related to the target condition or diagnostic threshold were missing. We estimated summary sensitivities and specificities per algorithm and threshold using the bivariate hierarchical model. We investigated the impact of: in-person test interpretation; use of a purposely developed algorithm to assist diagnosis; and observer expertise. MAIN RESULTS We included 49 publications reporting on a total of 51 study cohorts with 34,351 lesions (including 2499 cases), providing 134 datasets for visual inspection. Across almost all study quality domains, the majority of study reports provided insufficient information to allow us to judge the risk of bias, while in three of four domains that we assessed we scored concerns regarding applicability of study findings as 'high'. Selective participant recruitment, lack of detail regarding the threshold for deciding on a positive test result, and lack of detail on observer expertise were particularly problematic.Attempts to analyse studies by degree of prior testing were hampered by a lack of relevant information and by the restricted inclusion of lesions selected for biopsy or excision. Accuracy was generally much higher for in-person diagnosis compared to image-based evaluations (relative diagnostic odds ratio of 8.54, 95% CI 2.89 to 25.3, P < 0.001). Meta-analysis of in-person evaluations that could be clearly placed on the clinical pathway showed a general trade-off between sensitivity and specificity, with the highest sensitivity (92.4%, 95% CI 26.2% to 99.8%) and lowest specificity (79.7%, 95% CI 73.7% to 84.7%) observed in participants with limited prior testing (n = 3 datasets). Summary sensitivities were lower for those referred for specialist assessment but with much higher specificities (e.g. sensitivity 76.7%, 95% CI 61.7% to 87.1%) and specificity 95.7%, 95% CI 89.7% to 98.3%) for lesions selected for excision, n = 8 datasets). These differences may be related to differences in the spectrum of included lesions, differences in the definition of a positive test result, or to variations in observer expertise. We did not find clear evidence that accuracy is improved by the use of any algorithm to assist diagnosis in all settings. Attempts to examine the effect of observer expertise in melanoma diagnosis were hindered due to poor reporting. AUTHORS' CONCLUSIONS Visual inspection is a fundamental component of the assessment of a suspicious skin lesion; however, the evidence suggests that melanomas will be missed if visual inspection is used on its own. The evidence to support its accuracy in the range of settings in which it is used is flawed and very poorly reported. Although published algorithms do not appear to improve accuracy, there is insufficient evidence to suggest that the 'no algorithm' approach should be preferred in all settings. Despite the volume of research evaluating visual inspection, further prospective evaluation of the potential added value of using established algorithms according to the prior testing or diagnostic difficulty of lesions may be warranted.
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Affiliation(s)
- Jacqueline Dinnes
- University of BirminghamInstitute of Applied Health ResearchBirminghamUKB15 2TT
- University Hospitals Birmingham NHS Foundation Trust and University of BirminghamNIHR Birmingham Biomedical Research CentreBirminghamUK
| | - Jonathan J Deeks
- University of BirminghamInstitute of Applied Health ResearchBirminghamUKB15 2TT
- University Hospitals Birmingham NHS Foundation Trust and University of BirminghamNIHR Birmingham Biomedical Research CentreBirminghamUK
| | - Matthew J Grainge
- School of MedicineDivision of Epidemiology and Public HealthUniversity of NottinghamNottinghamUKNG7 2UH
| | - Naomi Chuchu
- University of BirminghamInstitute of Applied Health ResearchBirminghamUKB15 2TT
| | | | - Rubeta N Matin
- Churchill HospitalDepartment of DermatologyOld RoadHeadingtonOxfordUKOX3 7LE
| | | | - Kai Yuen Wong
- Oxford University Hospitals NHS Foundation TrustDepartment of Plastic and Reconstructive SurgeryOxfordUK
| | - Roger Benjamin Aldridge
- NHS Lothian/University of EdinburghDepartment of Plastic Surgery25/6 India StreetEdinburghUKEH3 6HE
| | - Rachel Abbott
- University Hospital of WalesWelsh Institute of DermatologyHeath ParkCardiffUKCF14 4XW
| | - Monica Fawzy
- Norfolk and Norwich University Hospital NHS TrustDepartment of Plastic and Reconstructive SurgeryColney LaneNorwichUKNR4 7UY
| | - Susan E Bayliss
- University of BirminghamInstitute of Applied Health ResearchBirminghamUKB15 2TT
| | - Yemisi Takwoingi
- University of BirminghamInstitute of Applied Health ResearchBirminghamUKB15 2TT
- University Hospitals Birmingham NHS Foundation Trust and University of BirminghamNIHR Birmingham Biomedical Research CentreBirminghamUK
| | - Clare Davenport
- University of BirminghamInstitute of Applied Health ResearchBirminghamUKB15 2TT
| | - Kathie Godfrey
- The University of Nottinghamc/o Cochrane Skin GroupNottinghamUK
| | - Fiona M Walter
- University of CambridgePublic Health & Primary CareStrangeways Research Laboratory, Worts CausewayCambridgeUKCB1 8RN
| | - Hywel C Williams
- University of NottinghamCentre of Evidence Based DermatologyQueen's Medical CentreDerby RoadNottinghamUKNG7 2UH
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Dinnes J, Deeks JJ, Chuchu N, Matin RN, Wong KY, Aldridge RB, Durack A, Gulati A, Chan SA, Johnston L, Bayliss SE, Leonardi‐Bee J, Takwoingi Y, Davenport C, O'Sullivan C, Tehrani H, Williams HC. Visual inspection and dermoscopy, alone or in combination, for diagnosing keratinocyte skin cancers in adults. Cochrane Database Syst Rev 2018; 12:CD011901. [PMID: 30521688 PMCID: PMC6516870 DOI: 10.1002/14651858.cd011901.pub2] [Citation(s) in RCA: 23] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 01/03/2023]
Abstract
BACKGROUND Early accurate detection of all skin cancer types is important to guide appropriate management, to reduce morbidity and to improve survival. Basal cell carcinoma (BCC) is almost always a localised skin cancer with potential to infiltrate and damage surrounding tissue, whereas a minority of cutaneous squamous cell carcinomas (cSCCs) and invasive melanomas are higher-risk skin cancers with the potential to metastasise and cause death. Dermoscopy has become an important tool to assist specialist clinicians in the diagnosis of melanoma, and is increasingly used in primary-care settings. Dermoscopy is a precision-built handheld illuminated magnifier that allows more detailed examination of the skin down to the level of the superficial dermis. Establishing the value of dermoscopy over and above visual inspection for the diagnosis of BCC or cSCC in primary- and secondary-care settings is critical to understanding its potential contribution to appropriate skin cancer triage, including referral of higher-risk cancers to secondary care, the identification of low-risk skin cancers that might be treated in primary care and to provide reassurance to those with benign skin lesions who can be safely discharged. OBJECTIVES To determine the diagnostic accuracy of visual inspection and dermoscopy, alone or in combination, for the detection of (a) BCC and (b) cSCC, in adults. We separated studies according to whether the diagnosis was recorded face-to-face (in person) or based on remote (image-based) assessment. SEARCH METHODS We undertook a comprehensive search of the following databases from inception up to August 2016: Cochrane Central Register of Controlled Trials; MEDLINE; Embase; CINAHL; CPCI; Zetoc; Science Citation Index; US National Institutes of Health Ongoing Trials Register; NIHR Clinical Research Network Portfolio Database; and the World Health Organization International Clinical Trials Registry Platform. We studied reference lists and published systematic review articles. SELECTION CRITERIA Studies of any design that evaluated visual inspection or dermoscopy or both in adults with lesions suspicious for skin cancer, compared with a reference standard of either histological confirmation or clinical follow-up. DATA COLLECTION AND ANALYSIS Two review authors independently extracted all data using a standardised data extraction and quality assessment form (based on QUADAS-2). We contacted authors of included studies where information related to the target condition or diagnostic thresholds were missing. We estimated accuracy using hierarchical summary ROC methods. We undertook analysis of studies allowing direct comparison between tests. To facilitate interpretation of results, we computed values of sensitivity at the point on the SROC curve with 80% fixed specificity and values of specificity with 80% fixed sensitivity. We investigated the impact of in-person test interpretation; use of a purposely-developed algorithm to assist diagnosis; and observer expertise. MAIN RESULTS We included 24 publications reporting on 24 study cohorts, providing 27 visual inspection datasets (8805 lesions; 2579 malignancies) and 33 dermoscopy datasets (6855 lesions; 1444 malignancies). The risk of bias was mainly low for the index test (for dermoscopy evaluations) and reference standard domains, particularly for in-person evaluations, and high or unclear for participant selection, application of the index test for visual inspection and for participant flow and timing. We scored concerns about the applicability of study findings as of 'high' or 'unclear' concern for almost all studies across all domains assessed. Selective participant recruitment, lack of reproducibility of diagnostic thresholds and lack of detail on observer expertise were particularly problematic.The detection of BCC was reported in 28 datasets; 15 on an in-person basis and 13 image-based. Analysis of studies by prior testing of participants and according to observer expertise was not possible due to lack of data. Studies were primarily conducted in participants referred for specialist assessment of lesions with available histological classification. We found no clear differences in accuracy between dermoscopy studies undertaken in person and those which evaluated images. The lack of effect observed may be due to other sources of heterogeneity, including variations in the types of skin lesion studied, in dermatoscopes used, or in the use of algorithms and varying thresholds for deciding on a positive test result.Meta-analysis found in-person evaluations of dermoscopy (7 evaluations; 4683 lesions and 363 BCCs) to be more accurate than visual inspection alone for the detection of BCC (8 evaluations; 7017 lesions and 1586 BCCs), with a relative diagnostic odds ratio (RDOR) of 8.2 (95% confidence interval (CI) 3.5 to 19.3; P < 0.001). This corresponds to predicted differences in sensitivity of 14% (93% versus 79%) at a fixed specificity of 80% and predicted differences in specificity of 22% (99% versus 77%) at a fixed sensitivity of 80%. We observed very similar results for the image-based evaluations.When applied to a hypothetical population of 1000 lesions, of which 170 are BCC (based on median BCC prevalence across studies), an increased sensitivity of 14% from dermoscopy would lead to 24 fewer BCCs missed, assuming 166 false positive results from both tests. A 22% increase in specificity from dermoscopy with sensitivity fixed at 80% would result in 183 fewer unnecessary excisions, assuming 34 BCCs missed for both tests. There was not enough evidence to assess the use of algorithms or structured checklists for either visual inspection or dermoscopy.Insufficient data were available to draw conclusions on the accuracy of either test for the detection of cSCCs. AUTHORS' CONCLUSIONS Dermoscopy may be a valuable tool for the diagnosis of BCC as an adjunct to visual inspection of a suspicious skin lesion following a thorough history-taking including assessment of risk factors for keratinocyte cancer. The evidence primarily comes from secondary-care (referred) populations and populations with pigmented lesions or mixed lesion types. There is no clear evidence supporting the use of currently-available formal algorithms to assist dermoscopy diagnosis.
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Affiliation(s)
- Jacqueline Dinnes
- University of BirminghamInstitute of Applied Health ResearchBirminghamUKB15 2TT
- University Hospitals Birmingham NHS Foundation Trust and University of BirminghamNIHR Birmingham Biomedical Research CentreBirminghamUK
| | - Jonathan J Deeks
- University of BirminghamInstitute of Applied Health ResearchBirminghamUKB15 2TT
- University Hospitals Birmingham NHS Foundation Trust and University of BirminghamNIHR Birmingham Biomedical Research CentreBirminghamUK
| | - Naomi Chuchu
- University of BirminghamInstitute of Applied Health ResearchBirminghamUKB15 2TT
| | - Rubeta N Matin
- Churchill HospitalDepartment of DermatologyOld RoadHeadingtonOxfordUKOX3 7LE
| | - Kai Yuen Wong
- Oxford University Hospitals NHS Foundation TrustDepartment of Plastic and Reconstructive SurgeryOxfordUK
| | - Roger Benjamin Aldridge
- NHS Lothian/University of EdinburghDepartment of Plastic Surgery25/6 India StreetEdinburghUKEH3 6HE
| | - Alana Durack
- Addenbrooke’s Hospital, Cambridge University Hospitals NHS Foundation TrustDermatologyHills RoadCambridgeUKCB2 0QQ
| | - Abha Gulati
- Barts Health NHS TrustDepartment of DermatologyWhitechapelLondonUKE11BB
| | - Sue Ann Chan
- City HospitalBirmingham Skin CentreDudley RdBirminghamUKB18 7QH
| | - Louise Johnston
- NIHR Diagnostic Evidence Co‐operative Newcastle2nd Floor William Leech Building (Rm M2.061) Institute of Cellular Medicine Newcastle UniversityFramlington PlaceNewcastle upon TyneUKNE2 4HH
| | - Susan E Bayliss
- University of BirminghamInstitute of Applied Health ResearchBirminghamUKB15 2TT
| | - Jo Leonardi‐Bee
- The University of NottinghamDivision of Epidemiology and Public HealthClinical Sciences BuildingNottingham City Hospital NHS Trust Campus, Hucknall RoadNottinghamUKNG5 1PB
| | - Yemisi Takwoingi
- University of BirminghamInstitute of Applied Health ResearchBirminghamUKB15 2TT
- University Hospitals Birmingham NHS Foundation Trust and University of BirminghamNIHR Birmingham Biomedical Research CentreBirminghamUK
| | - Clare Davenport
- University of BirminghamInstitute of Applied Health ResearchBirminghamUKB15 2TT
| | | | - Hamid Tehrani
- Whiston HospitalDepartment of Plastic and Reconstructive SurgeryWarrington RoadLiverpoolUKL35 5DR
| | - Hywel C Williams
- University of NottinghamCentre of Evidence Based DermatologyQueen's Medical CentreDerby RoadNottinghamUKNG7 2UH
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Chuchu N, Dinnes J, Takwoingi Y, Matin RN, Bayliss SE, Davenport C, Moreau JF, Bassett O, Godfrey K, O'Sullivan C, Walter FM, Motley R, Deeks JJ, Williams HC. Teledermatology for diagnosing skin cancer in adults. Cochrane Database Syst Rev 2018; 12:CD013193. [PMID: 30521686 PMCID: PMC6517019 DOI: 10.1002/14651858.cd013193] [Citation(s) in RCA: 46] [Impact Index Per Article: 7.7] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 01/16/2023]
Abstract
BACKGROUND Early accurate detection of all skin cancer types is essential to guide appropriate management and to improve morbidity and survival. Melanoma and squamous cell carcinoma (SCC) are high-risk skin cancers which have the potential to metastasise and ultimately lead to death, whereas basal cell carcinoma (BCC) is usually localised with potential to infiltrate and damage surrounding tissue. Anxiety around missing early curable cases needs to be balanced against inappropriate referral and unnecessary excision of benign lesions. Teledermatology provides a way for generalist clinicians to access the opinion of a specialist dermatologist for skin lesions that they consider to be suspicious without referring the patients through the normal referral pathway. Teledermatology consultations can be 'store-and-forward' with electronic digital images of a lesion sent to a dermatologist for review at a later time, or can be live and interactive consultations using videoconferencing to connect the patient, referrer and dermatologist in real time. OBJECTIVES To determine the diagnostic accuracy of teledermatology for the detection of any skin cancer (melanoma, BCC or cutaneous squamous cell carcinoma (cSCC)) in adults, and to compare its accuracy with that of in-person diagnosis. SEARCH METHODS We undertook a comprehensive search of the following databases from inception up to August 2016: Cochrane Central Register of Controlled Trials, MEDLINE, Embase, CINAHL, CPCI, Zetoc, Science Citation Index, US National Institutes of Health Ongoing Trials Register, NIHR Clinical Research Network Portfolio Database and the World Health Organization International Clinical Trials Registry Platform. We studied reference lists and published systematic review articles. SELECTION CRITERIA Studies evaluating skin cancer diagnosis for teledermatology alone, or in comparison with face-to-face diagnosis by a specialist clinician, compared with a reference standard of histological confirmation or clinical follow-up and expert opinion. We also included studies evaluating the referral accuracy of teledermatology compared with a reference standard of face-to-face diagnosis by a specialist clinician. DATA COLLECTION AND ANALYSIS Two review authors independently extracted all data using a standardised data extraction and quality assessment form (based on QUADAS-2). We contacted authors of included studies where there were information related to the target condition of any skin cancer missing. Data permitting, we estimated summary sensitivities and specificities using the bivariate hierarchical model. Due to the scarcity of data, we undertook no covariate investigations for this review. For illustrative purposes, we plotted estimates of sensitivity and specificity on coupled forest plots for diagnostic threshold and target condition under consideration. MAIN RESULTS The review included 22 studies reporting diagnostic accuracy data for 4057 lesions and 879 malignant cases (16 studies) and referral accuracy data for reported data for 1449 lesions and 270 'positive' cases as determined by the reference standard face-to-face decision (six studies). Methodological quality was variable with poor reporting hindering assessment. The overall risk of bias was high or unclear for participant selection, reference standard, and participant flow and timing in at least half of all studies; the majority were at low risk of bias for the index test. The applicability of study findings were of high or unclear concern for most studies in all domains assessed due to the recruitment of participants from secondary care settings or specialist clinics rather than from primary or community-based settings in which teledermatology is more likely to be used and due to the acquisition of lesion images by dermatologists or in specialist imaging units rather than by primary care clinicians.Seven studies provided data for the primary target condition of any skin cancer (1588 lesions and 638 malignancies). For the correct diagnosis of lesions as malignant using photographic images, summary sensitivity was 94.9% (95% confidence interval (CI) 90.1% to 97.4%) and summary specificity was 84.3% (95% CI 48.5% to 96.8%) (from four studies). Individual study estimates using dermoscopic images or a combination of photographic and dermoscopic images generally suggested similarly high sensitivities with highly variable specificities. Limited comparative data suggested similar diagnostic accuracy between teledermatology assessment and in-person diagnosis by a dermatologist; however, data were too scarce to draw firm conclusions. For the detection of invasive melanoma or atypical intraepidermal melanocytic variants both sensitivities and specificities were more variable. Sensitivities ranged from 59% (95% CI 42% to 74%) to 100% (95% CI 48% to 100%) and specificities from 30% (95% CI 22% to 40%) to 100% (95% CI 93% to 100%), with reported diagnostic thresholds including the correct diagnosis of melanoma, classification of lesions as 'atypical' or 'typical, and the decision to refer or to excise a lesion.Referral accuracy data comparing teledermatology against a face-to-face reference standard suggested good agreement for lesions considered to require some positive action by face-to-face assessment (sensitivities of over 90%). For lesions considered of less concern when assessed face-to-face (e.g. for lesions not recommended for excision or referral), agreement was more variable with teledermatology specificities ranging from 57% (95% CI 39% to 73%) to 100% (95% CI 86% to 100%), suggesting that remote assessment is more likely recommend excision, referral or follow-up compared to in-person decisions. AUTHORS' CONCLUSIONS Studies were generally small and heterogeneous and methodological quality was difficult to judge due to poor reporting. Bearing in mind concerns regarding the applicability of study participants and of lesion image acquisition in specialist settings, our results suggest that teledermatology can correctly identify the majority of malignant lesions. Using a more widely defined threshold to identify 'possibly' malignant cases or lesions that should be considered for excision is likely to appropriately triage those lesions requiring face-to-face assessment by a specialist. Despite the increasing use of teledermatology on an international level, the evidence base to support its ability to accurately diagnose lesions and to triage lesions from primary to secondary care is lacking and further prospective and pragmatic evaluation is needed.
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Affiliation(s)
- Naomi Chuchu
- University of BirminghamInstitute of Applied Health ResearchBirminghamUKB15 2TT
| | - Jacqueline Dinnes
- University of BirminghamInstitute of Applied Health ResearchBirminghamUKB15 2TT
- University Hospitals Birmingham NHS Foundation Trust and University of BirminghamNIHR Birmingham Biomedical Research CentreBirminghamUK
| | - Yemisi Takwoingi
- University of BirminghamInstitute of Applied Health ResearchBirminghamUKB15 2TT
- University Hospitals Birmingham NHS Foundation Trust and University of BirminghamNIHR Birmingham Biomedical Research CentreBirminghamUK
| | - Rubeta N Matin
- Churchill HospitalDepartment of DermatologyOld RoadHeadingtonOxfordUKOX3 7LE
| | - Susan E Bayliss
- University of BirminghamInstitute of Applied Health ResearchBirminghamUKB15 2TT
| | - Clare Davenport
- University of BirminghamInstitute of Applied Health ResearchBirminghamUKB15 2TT
| | - Jacqueline F Moreau
- University of Pittsburgh Medical CenterInternal MedicineDepartment of Medicine, Office of EducationUPMC Montefiore Hospital, N715PittsburghUSAPA, 15213
| | - Oliver Bassett
- Addenbrooke's HospitalPlastic SurgeryHills RoadCambridgeUKCB2 0QQ
| | - Kathie Godfrey
- The University of Nottinghamc/o Cochrane Skin GroupNottinghamUK
| | | | - Fiona M Walter
- University of CambridgePublic Health & Primary CareStrangeways Research Laboratory, Worts CausewayCambridgeUKCB1 8RN
| | - Richard Motley
- University Hospital of WalesWelsh Institute of DermatologyHeath ParkCardiffUKCF14 4XW
| | - Jonathan J Deeks
- University of BirminghamInstitute of Applied Health ResearchBirminghamUKB15 2TT
- University Hospitals Birmingham NHS Foundation Trust and University of BirminghamNIHR Birmingham Biomedical Research CentreBirminghamUK
| | - Hywel C Williams
- University of NottinghamCentre of Evidence Based DermatologyQueen's Medical CentreDerby RoadNottinghamUKNG7 2UH
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Augustin M, Wimmer J, Biedermann T, Blaga R, Dierks C, Djamei V, Elmer A, Elsner P, Enk A, Gass S, Henningsen M, Hofman-Wellenhof R, von Kiedrowski R, Kunz HD, Liebram C, Navarini A, Otten M, Reusch M, Schüller C, Zink A, Strömer K. Praxis der Teledermatologie. J Dtsch Dermatol Ges 2018; 16 Suppl 5:6-57. [DOI: 10.1111/ddg.13512] [Citation(s) in RCA: 28] [Impact Index Per Article: 4.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/22/2022]
Affiliation(s)
- Matthias Augustin
- Institut für Versorgungsforschung in der Dermatologie und bei Pflegeberufen (IVDP); Universitätsklinikum Hamburg-Eppendorf (UKE), Hamburg
| | - Johannes Wimmer
- Institut für Versorgungsforschung in der Dermatologie und bei Pflegeberufen (IVDP); Universitätsklinikum Hamburg-Eppendorf (UKE), Hamburg
| | - Tilo Biedermann
- Hautklinik Campus Biederstein; Technische Universität München, München
| | - Rolf Blaga
- Psoriasis Selbsthilfe Arbeitsgemeinschaft e. V.; Berlin
| | | | | | - Arno Elmer
- Hochschule für Ökonomie und Management Berlin, Berlin
| | - Peter Elsner
- Klinik für Hautkrankheiten; Universitätsklinikum Jena, Jena
| | - Alexander Enk
- Hautklinik; Universitätsklinikum Heidelberg, Heidelberg
| | | | - Maike Henningsen
- Institut für Versorgungsforschung in der Dermatologie und bei Pflegeberufen (IVDP); Universitätsklinikum Hamburg-Eppendorf (UKE), Hamburg
| | | | | | | | | | | | - Marina Otten
- Institut für Versorgungsforschung in der Dermatologie und bei Pflegeberufen (IVDP); Universitätsklinikum Hamburg-Eppendorf (UKE), Hamburg
| | | | | | - Alexander Zink
- Dermatologischen Universitätsklinik; Technischen Universität München, München
| | - Klaus Strömer
- Gemeinschaftspraxis für Dermatologie und Allergologie; Mönchengladbach
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Trettel A, Eissing L, Augustin M. Telemedicine in dermatology: findings and experiences worldwide - a systematic literature review. J Eur Acad Dermatol Venereol 2017; 32:215-224. [PMID: 28516492 DOI: 10.1111/jdv.14341] [Citation(s) in RCA: 100] [Impact Index Per Article: 14.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/06/2016] [Accepted: 03/29/2017] [Indexed: 01/28/2023]
Abstract
Telemedicine has become an important element of health care in many countries and profited from the technological progress of the last two decades. Due to the visual character of the dermatological specialty, teledermatology in particular participated in that development and is becoming a major tool in dermatological consultation. The objective of this article was to identify the use of teledermatology across the world based on published original articles. A systematic literature search of the MEDLINE and Embase databases for eligible publications (predefined inclusion and exclusion criteria) and a cross-validation search were conducted. Search results were reviewed systematically. The search resulted in 204 publications meeting the inclusion criteria for analysis. The highest number of published studies on teledermatology was performed in the United States, followed by the United Kingdom, Spain, the Netherlands, Italy and Austria. The majority of dermatological indications for telemedical consultations were not specified or included various kinds of skin diseases, followed by skin cancer and wounds. Research questions predominantly focused on concordance, effectiveness and cost-effectiveness to determine the value. Teledermatology proved to be a reliable consultation tool in the majority of studies. If specified, telemedicine was used in daily dermatological routine for patient management purposes, to consult patients in peripheral locations, or for medical support in nursing homes or home care settings. The application of teledermatology worldwide is highest in North American and European countries, while countries with poor geographical distribution of physicians seem to be under-represented in teledermatological use, as concluded from publication output. Regarding indications, comparison with classic consultation and area of application, most studies were of general nature. For precise determination of the value, systematic studies would be needed. However, teledermatology is already accepted as a valid tool.
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Affiliation(s)
- A Trettel
- Institute for Health Services Research in Dermatology and Nursing (IVDP), University Medical Center Hamburg-Eppendorf (UKE), Hamburg, Germany
| | - L Eissing
- Institute for Health Services Research in Dermatology and Nursing (IVDP), University Medical Center Hamburg-Eppendorf (UKE), Hamburg, Germany
| | - M Augustin
- Institute for Health Services Research in Dermatology and Nursing (IVDP), University Medical Center Hamburg-Eppendorf (UKE), Hamburg, Germany
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Abstract
Background: Teledermatology is the delivery of specialist dermatological services at a distance. It has become possible because of technological advances in digital imaging and telecommunications. Consultations may be “interactive” using video-conferencing equipment or “store-and-forward” using prerecorded text and images. The best method to deliver teledermatology services is unknown. Objective: Studies were designed to determine (a) if it was possible to diagnose and manage skin diseases using video-conferencing equipment, (b) if teledermatology was acceptable to patients and medical practitioners, and (c) whether it offered any economic advantages. We have also compared interactive and store-and-forward techniques. Method: The trials were conducted in collaboration with the Institute of Telemedicine & Telecare, Queen's University, Belfast, as part of the UK Teledermatology Trials. Remits: The trials have involved more than 300 teledermatology consultations. Having established that a diagnosis can be made in more than two-thirds of the cases, the majority of video consultations have resulted in satisfactory management, with only small numbers of patients requiring face-to-face review. Teledermatology is generally popular with patients and can save them considerable time and money. Routine clinics continue in three centers. We have found that effective store-and-forward teledermatology requires very good images and comprehensive historical referral data.
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Lamel SA, Haldeman KM, Ely H, Kovarik CL, Pak H, Armstrong AW. Application of mobile teledermatology for skin cancer screening. J Am Acad Dermatol 2012; 67:576-81. [PMID: 22243769 DOI: 10.1016/j.jaad.2011.11.957] [Citation(s) in RCA: 86] [Impact Index Per Article: 7.2] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/18/2011] [Revised: 11/16/2011] [Accepted: 11/21/2011] [Indexed: 02/07/2023]
Abstract
BACKGROUND With advancements in mobile technology, cellular phone-based store-and-forward teledermatology may be applied to skin cancer screening. OBJECTIVE We sought to determine diagnostic and management concordance between in-person and teledermatology evaluations for patients at skin cancer screening whose clinical images and history were transmitted through mobile phones. METHODS A total of 86 patients with 137 skin lesions presented to a skin cancer screening event in California. These patients' clinical history and skin images were captured by a software-enabled mobile phone. Patients were assessed separately by an in-person dermatologist and a teledermatologist, who evaluated the mobile phone-transmitted history and images. Diagnostic and management concordance was determined between the in-person and teledermatology evaluations. RESULTS The primary categorical diagnostic concordance was 82% between the in-person dermatologist and the teledermatologist (95% confidence interval 0.73-0.89), with a Kappa coefficient of 0.62 indicating good agreement. The aggregated diagnostic concordance between the in-person dermatologist and the teledermatologist was 62% (95% confidence interval 0.51-0.71), with Kappa coefficient of 0.60 indicating good agreement. Management concordance between the in-person dermatologist and the teledermatologist was 81% (95% confidence interval 0.72-0.88), with a Kappa coefficient of 0.57, which indicates moderate agreement between the dermatologists. Multivariate analysis showed that older age and presentation of atypical nevus were significantly associated with disagreement in diagnosis between the teledermatologist and in-person dermatologist, after adjusting for other factors. LIMITATIONS Dermatoscopic images were not captured via mobile phones, which might improve diagnostic accuracy. CONCLUSION Mobile teledermatology using cellular phones is an innovative and convenient modality of providing dermatologic consultations for skin cancer screening.
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Affiliation(s)
- Sonia A Lamel
- Department of Dermatology, University of California, Davis, School of Medicine, Sacramento, California 95816, USA
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Warshaw EM, Hillman YJ, Greer NL, Hagel EM, MacDonald R, Rutks IR, Wilt TJ. Teledermatology for diagnosis and management of skin conditions: A systematic review. J Am Acad Dermatol 2011; 64:759-72. [PMID: 21036419 DOI: 10.1016/j.jaad.2010.08.026] [Citation(s) in RCA: 182] [Impact Index Per Article: 14.0] [Reference Citation Analysis] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/29/2010] [Revised: 08/04/2010] [Accepted: 08/21/2010] [Indexed: 01/08/2023]
Affiliation(s)
- Erin M Warshaw
- Minneapolis Veterans Affairs Medical Center, Center for Chronic Disease Outcomes Research, Minneapolis, Minnesota 55417, USA.
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Baumeister T, Weistenhöfer W, Drexler H, Kütting B. Prevention of work-related skin diseases: teledermatology as an alternative approach in occupational screenings. Contact Dermatitis 2009; 61:224-30. [DOI: 10.1111/j.1600-0536.2009.01606.x] [Citation(s) in RCA: 14] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/01/2022]
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S. Levin Y, Warshaw EM. Teledermatology: A Review of Reliability and Accuracy of Diagnosis and Management. Dermatol Clin 2009; 27:163-76, vii. [DOI: 10.1016/j.det.2008.11.012] [Citation(s) in RCA: 44] [Impact Index Per Article: 2.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/21/2022]
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Romero G, Cortina P, Vera E. Telemedicine and Teledermatology (II): Current State of Research on Dermatology Teleconsultations. ACTAS DERMO-SIFILIOGRAFICAS 2008. [DOI: 10.1016/s1578-2190(08)70326-3] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/19/2022] Open
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Eminović N, de Keizer NF, Bindels PJE, Hasman A. Maturity of teledermatology evaluation research: a systematic literature review. Br J Dermatol 2007; 156:412-9. [PMID: 17300227 DOI: 10.1111/j.1365-2133.2006.07627.x] [Citation(s) in RCA: 72] [Impact Index Per Article: 4.2] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Abstract
BACKGROUND There is a growing interest in teledermatology in today's clinical practice, but the maturity of the evaluation research of this technology is still unclear. OBJECTIVES This systematic review describes the maturity of teledermatology evaluation research over time and explores what kind of teledermatology outcome measures have been evaluated. METHODS Systematic review of literature found in Medline database (1966 up to April 2006). A telemedicine evaluation strategy consisting of four consecutive research phases (parallel to drug and diagnostics evaluation research) extended with a fifth postimplementation phase was used to classify all included studies by two independent reviewers. In addition, main characteristics (store-and-forward or real-time, study design, outcome measures) were registered. RESULTS Three hundred and forty-five papers were systematically selected from Medline, and 244 papers were excluded. For two randomized controlled trials (RCTs), multiple papers in phase III were found. After correcting for this, 99 studies remained included (11 phase I, 72 phase II, two phase III, six phase IV, eight postimplementation phase). The number of phase II studies is the largest and still growing, while other phases are much less represented. Diagnostic accuracy was the most often used outcome measure and was found in phase I, II and IV. Store-and-forward teledermatology has been evaluated more since 2001, but most phase IV studies (RCTs, including cost aspects) are on real-time teledermatology. CONCLUSIONS Most teledermatology evaluation studies are classified as feasibility studies (phase II). The number of phase III and IV studies remains low through the years. Compared with other specialties in telemedicine (i.e. telesurgery, telepaediatrics), teledermatology seems to be a mature application. However, more evaluation studies with a focus on clinical outcomes such as preventable referrals or time to recovery are needed to prove that teledermatology indeed is a promising and cost-saving technology.
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Affiliation(s)
- N Eminović
- Department of Medical Informatics, Academic Medical Centre, Meibergdreef 15, 1105 AZ Amsterdam, The Netherlands.
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15
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Abstract
BACKGROUND Teledermatology has the potential to revolutionize the delivery of dermatology services by facilitating access to specialist services at a distance. In the U.K. over the previous decade there have been numerous attempts at introducing and using teledermatology; however, the development of teledermatology as routine service provision remains limited. OBJECTIVES To identify factors that promote successful use of teledermatology as a part of routine service provision. METHODS A longitudinal qualitative study of teledermatology, drawing on data from in-depth semistructured interviews; observations of systems in practice; and public meetings. Data were analysed collectively by the research team using established qualitative analytical techniques to identify key thematic categories. The sample consisted of teledermatology services within the U.K. (n = 12) studied over 8 years (1997-2005). Individual participants (n = 68 interviews) were consultant dermatologists, researchers, teledermatology nurses, administrators, patient advocates, general practitioners and technologists. RESULTS The analysis compared services that did or did not become part of routine healthcare practice to identify features that supported the normalization of teledermatology. Requirements for using and integrating teledermatology into practice included: political support; perceived benefit and relative commitment that outweighs effort; pragmatic approaches to proving efficacy and safety; perception of risk as being 'manageable' on the basis of professional judgement; high levels of flexibility in practice (in terms of individuals, technology and organization); and reconceptualizing professional roles. CONCLUSIONS Successful implementation of teledermatology as a routine service requires greater understanding of and attention to the interplay between social and technical aspects of teledermatology, and how this is accommodated both by healthcare professionals and the organizations in which they work.
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Affiliation(s)
- T L Finch
- Centre for Health Services Research, University of Newcastle upon Tyne, 21 Claremont Place, Newcastle upon Tyne, UK.
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Moreno D, Ferrándiz L, Pérez-Bernal AM, Ríos JJ, Carrasco R, Camacho F. [Evaluation of a screening system for patients with pigmented lesions using store-and-forward teleconsultation]. ACTAS DERMO-SIFILIOGRAFICAS 2006; 96:222-30. [PMID: 16476372 DOI: 10.1016/s0001-7310(05)73074-x] [Citation(s) in RCA: 19] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022] Open
Abstract
INTRODUCTION Pigmented lesion clinics (PLC's) were developed as a quick referral system for patients with pigmented lesions. However, the most appropriate method of selecting patients who need to be seen in these units is not clearly defined. Teledermatology is a tool whose usefulness as a patient selection system for PLC's needs to be evaluated. OBJECTIVE To evaluate teleconsultation as a screening system for patients with pigmented lesions in terms of efficacy, accuracy and satisfaction. METHOD Teleconsultations received at a PLC over a period of 12 weeks were evaluated. Teleconsultation patients reported changes in a pigmented lesion, a lesion that had recently appeared, multiple lesions, symptomatic lesions or concern about a nevus. We calculated the time intervals in sending the teleconsultation report and in patients being seen at the "physical" PLC consultation, the intraobserver, interobserver and pathologist kappa coefficients, as well as the degree of satisfaction of patients and Primary Care (PC) physicians. RESULTS 219 teleconsultations were evaluated, 49.3 % of which were referred to the "physical" consultation. The most frequent reason for the teleconsultation was concern about a nevus (37.0 %). The teleconsultations received responses in an average time of 43.9 hours, and patients were seen at the "physical" consultation within 2 weeks. The intraobserver agreement was kappa = 0.93 (95 % CI 0.87-0.98); interobserver agreement, kappa = 0.91 (95 % CI 0.87-0.96); and the agreement between the teledermatologist and the pathologist, kappa = 0.79 (95 % CI 0.70-0.89). 86 % of the patients and 91 % of the Primary Care physicians said that they were "very satisfied" with the implementation of this new system. CONCLUSIONS Teleconsultation is an accurate screening system for patients with pigmented lesions. With this methodology, waiting times for patients with malignant lesions or those suspected of malignancy can be shortened at the same time as the PLC's excess workload is decreased. However, more experience is needed to establish the true usefulness of this filtering system in the early diagnosis of melanoma.
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Affiliation(s)
- David Moreno
- Unidad de Lesiones Pigmentadas y Teledermatología, Departamento de Dermatología, Hospital Universitario Virgen Macarena, Avda. Dr. Fedriani 3, 41071 Seville, Spain.
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Heinzelmann PJ, Williams CM, Lugn NE, Kvedar JC. Clinical outcomes associated with telemedicine/telehealth. Telemed J E Health 2005; 11:329-47. [PMID: 16035930 DOI: 10.1089/tmj.2005.11.329] [Citation(s) in RCA: 45] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/18/2023] Open
Abstract
This paper is a comprehensive review and synthesis of the literature concerning clinical outcomes associated with various telemedicine applications. It starts out with a brief description of the findings reported by similar literature reviews already published. Subsequently, it proposes a conceptual model for assessing clinical outcomes based on Donabedian's formulation of the Medical Care Process. Accordingly, research findings are reported in terms of the relevant components of the medical care process, namely, diagnosis, clinical management, and clinical outcomes. Specific findings are organized according to the designated clinical and diagnostic application. This is followed by a general report of studies dealing with patient satisfaction.
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Salmhofer W, Hofmann-Wellenhof R, Gabler G, Rieger-Engelbogen K, Gunegger D, Binder B, Kern T, Kerl H, Soyer HP. Wound teleconsultation in patients with chronic leg ulcers. Dermatology 2005; 210:211-7. [PMID: 15785049 DOI: 10.1159/000083512] [Citation(s) in RCA: 32] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/25/2004] [Accepted: 08/20/2004] [Indexed: 11/19/2022] Open
Abstract
BACKGROUND The treatment of chronic leg ulcers requires frequent assessments of local wound status and adjustment of therapy. The availability of reasonably priced photographic equipment and quick electronic transfer of high-quality digital images should make it possible that the assessment of wound status can be made by remote experts. OBJECTIVE This study examines the feasibility of using teledermatology for wound assessment and therapeutic suggestions for patients with chronic leg ulcers. METHODS One hundred ten chronic leg ulcers of different origins were examined in face-to-face consultations. The examining doctor assessed the wound, made therapeutic recommendations and took 1-4 photographs of the wound using a digital camera. The digital images and relevant clinical information were then transmitted via a web application to an expert in wound care, who provided an independent teledermatological assessment of wound status and therapeutic recommendations. RESULTS In our study, a high accordance between direct consultations and electronic consultations was found in the assessment of chronic leg ulcers, especially for important features like slough (concordance: 84.6%), necrosis (concordance: 98.2%) and granulation tissue formation (concordance: 76.4%). Furthermore, the teledermatologist generally felt confident in recommending further treatment strategies and in planning further wound assessments via the internet. CONCLUSIONS Our results suggest that teledermatology offers great potential for the future in chronic wound care. By reducing the need to travel long distances to the hospital or to consult a physician with expertise in wound care, wound teleconsultation might lower health care costs and improve the quality of life for patients with chronic wounds, while still maintaining a high quality of wound care.
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Moreno Ramírez D, María Pérez Bernal A, Ferrándiz Pulido L, Carrasco Durán R, Serrano Moya P, Camacho Martínez FM. Teleconsulta de lesiones pigmentadas. ACTA ACUST UNITED AC 2004. [DOI: 10.1016/s0213-9251(04)72893-2] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/27/2022]
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Abstract
Teledermatology has been the focus of much interest in recent years. Potential uses include a simple supporting role for primary care, more accurate triage of dermatology patients or an 'advice only' service reducing the need for dermatology patients to attend outpatient clinics. With the current under-provision of dermatology services in the UK and the waiting list targets set by government, teledermatology systems have been proposed as a possible solution. 'Store and forward' teledermatology systems are easy to set up and it has been shown that accurate diagnoses can be made using digital images attached to an E-mailed history. In an area of geographical isolation a store and forward teledermatology system has been used successfully to reduce patient waiting times. In Peterborough we have been using a store and forward teledermatology system for over 4 years. Our experience has demonstrated that for only a small number of selected patients was it possible to provide an advice-only service, but the majority of patients still need to be seen in the outpatient clinic. Despite the technical simplicity of these systems today there is still little evidence that teledermatology will have a significant impact on patient workload in the average dermatology clinic. It must be recognized that teledermatology is potentially a useful communication tool for selected patients in primary care but is unlikely to solve waiting list problems or replace the need for local dermatology services.
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Affiliation(s)
- R B Mallett
- Department of Dermatology, Peterborough District Hospital, Peterborough, UK.
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Abstract
Teledermatology is in essence an application of clinical telemedicine that deals with the practice of dermatology via the latest communication and information technology. As with other telemedicine applications, the goal is to provide the highest quality of dermatologic care more efficiently by moving patient information rather than the patient. Teledermatopathology, on the other hand, is a nonclinical telemedicine application specifically relating to diagnosis of cutaneous histologic specimens. There are numerous articles evaluating diagnostic concordance of teledermatology. However, because of a lack of a "true" gold standard, most published studies have compared diagnostic capabilities of teledermatology to our traditional face-to-face evaluations. Although the diagnostic correlation varies from study to study, most experts agree that Store and Forward and real-time video teleconferencing teledermatology is as clinically effective as a face-to-face consultation, which is less than 100% accurate. Teledermatopathology is showing similar potential, but because of the limitations on sampling error and the high cost of the alternative, robotic remote telepathology units, its acceptance into our daily practice has been delayed. This article focuses mainly on Store and Forward Teledermatology given its significant advantage and reviews the literature on teledermatology and teledermatopathology's diagnostic concordance and acceptance.
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Affiliation(s)
- Hon S Pak
- Department of Dermatology, Brooke Army Medical Center, San Antonio, USA
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Williams T, May C, Esmail A, Ellis N, Griffiths C, Stewart E, Fitzgerald D, Morgan M, Mould M, Pickup L, Kelly S. Patient satisfaction with store-and-forward teledermatology. J Telemed Telecare 2002; 7 Suppl 1:45-6. [PMID: 11576488 DOI: 10.1177/1357633x010070s118] [Citation(s) in RCA: 16] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/17/2022]
Abstract
We assessed patient satisfaction with a nurse-led store-and-forward teledermatology service in Manchester. A teledermatology nurse obtained the patient's history, took digital photographs of the patient's skin lesion and then sent the information to a hospital dermatologist, who responded with management advice the following week. Of 141 patients who attended their teledermatology appointment, 123 (50 male, 73 female) completed the study questionnaire (87%). The average age of respondents was 42 years (SD 17, range 18-90 years). Ninety-three per cent reported that they were happy with the teleconsultation while 86% reported that it was more convenient than going to the outpatient clinic. Forty per cent agreed that they would feel more comfortable seeing the dermatologist in person while only 58% were comfortable with not speaking to the dermatologist about their skin condition. The absence of interaction with the dermatologist and the delay in receiving management advice may have contributed to the somewhat low satisfaction rates.
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Affiliation(s)
- T Williams
- School of Primary Care, University of Manchester, Rusholme, UK.
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Williams TL, Esmail A, May CR, Griffiths CE, Shaw NT, Fitzgerald D, Stewart E, Mould M, Morgan M, Pickup L, Kelly S. Patient satisfaction with teledermatology is related to perceived quality of life. Br J Dermatol 2001; 145:911-7. [PMID: 11899144 DOI: 10.1046/j.1365-2133.2001.04472.x] [Citation(s) in RCA: 65] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/20/2022]
Abstract
BACKGROUND There is a lack of good data about patient satisfaction with teledermatology and about its potential interaction with quality-of-life factors. OBJECTIVES To assess the association between perceived skin-related quality of life and patient satisfaction with a nurse-led teledermatology service. METHODS In a mobile nurse-led teledermatology clinic located in four inner city general practices in Manchester, the teledermatology service used digital cameras to capture and store images of skin conditions for remote diagnosis by dermatologists. One hundred and twenty-three adult patients, non-urgent dermatology referrals from primary care, completed the Dermatology Life Quality Index (DLQI) and a 15-item patient satisfaction questionnaire. RESULTS In common with other studies of patient satisfaction, subjects reported highly favourable views of 'hotel' aspects of the service (93%) and found it 'convenient' (86%). However, 40% of patients would have preferred to have had a conventional face-to-face consultation with a dermatologist, and 17% felt unable to speak freely about their condition. Patient satisfaction with the service was related to quality of life. Patients reporting lower quality of life as measured by the DLQI were more likely to prefer a face-to-face encounter with a dermatologist (r = 0.216, P < 0.05), and to evince anxiety about being photographed (r = 0.223, P < 0.05). CONCLUSIONS Patient acceptance and satisfaction with telemedicine services is complicated by patients' subjective health status. Telehealthcare providers need to recognize that patients with poor quality of life may want and benefit from face-to-face interaction with expert clinicians.
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Affiliation(s)
- T L Williams
- School of Primary Care, University of Manchester, Rusholme Health Centre, UK
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Abstract
Teledermatology holds great potential for revolutionizing the delivery of dermatology services, providing equitable service to remote areas and allowing primary care physicians to refer patients to dermatology centres of excellence at a distance. However, before its routine application as a service tool, its reliability, accuracy and cost-effectiveness need to be verified by rigorous evaluation. Teledermatology can be applied in one of two ways: it may be conducted in real-time, utilizing videoconferencing equipment, or by store-and-forward methods, when transmitted digital images or photographs are submitted with a clinical history. While there is a considerable range of reported accuracy and reliability, evidence suggests that teledermatology will become increasingly utilized and incorporated into more conventional dermatology service delivery systems. Studies to date have generally found that real-time dermatology is likely to allow greater clinical information to be obtained from the patient. This may result in fewer patients requiring conventional consultations, but it is generally more time-consuming and costly to the health service provider. It is often favoured by the patient because of the instantaneous nature of the diagnosis and management regimen for the condition, and it has educational value to the primary care physician. Store-and-forward systems of teledermatology often give high levels of diagnostic accuracy, and are cheaper and more convenient for the health care provider, but lack the immediacy of patient contact with the dermatologist, and involve a delay in obtaining the diagnosis and advice on management. It is increasingly likely that teledermatology will prove to be a significant tool in the provision of dermatology services in the future. These services will probably be provided by store-and-forward digital image systems, with real-time videoconferencing being used for case conferences and education. However, much more research is needed into the outcomes and limitations of such a service and its effect on waiting lists, as well as possible cost benefits for patients, primary health care professionals and dermatology departments.
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Affiliation(s)
- D J Eedy
- Department of Dermatology, Craigavon Area Hospital Group Trust, 68 Lurgan Road, Portadown BT63 5QQ, UK.
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Abstract
BACKGROUND Teledermatology is the delivery of specialist dermatological services at a distance. It has become possible because of technological advances in digital imaging and telecommunications. Consultations may be "interactive" using video-conferencing equipment or "store-and-forward" using prerecorded text and images. The best method to deliver teledermatology services is unknown. OBJECTIVE Studies were designed to determine (a) if it was possible to diagnose and manage skin diseases using video-conferencing equipment, (b) if teledermatology was acceptable to patients and medical practitioners, and (c) whether it offered any economic advantages. We have also compared interactive and store-and-forward techniques. METHOD The trials were conducted in collaboration with the Institute of Telemedicine & Telecare, Queen's University, Belfast, as part of the UK Teledermatology Trials. RESULTS The trials have involved more than 300 teledermatology consultations. Having established that a diagnosis can be made in more than two-thirds of the cases, the majority of video consultations have resulted in satisfactory management, with only small numbers of patients requiring face-to-face review. Teledermatology is generally popular with patients and can save them considerable time and money. Routine clinics continue in three centers. We have found that effective store-and-forward teledermatology requires very good images and comprehensive historical referral data.
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Affiliation(s)
- A M Oakley
- Department of Dermatology, Health Waikato, Hamilton, New Zealand.
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