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Kang E, Ju H, Kim S, Choi J. Contents analysis of thyroid cancer-related information uploaded to YouTube by physicians in Korea: endorsing thyroid cancer screening, potentially leading to overdiagnosis. BMC Public Health 2024; 24:942. [PMID: 38566004 PMCID: PMC10985908 DOI: 10.1186/s12889-024-18403-2] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/10/2023] [Accepted: 03/20/2024] [Indexed: 04/04/2024] Open
Abstract
BACKGROUND Thyroid cancer overdiagnosis is a major public health issue in South Korea, which has the highest incidence rate. The accessibility of information through the Internet, particularly on YouTube, could potentially impact excessive screening. This study aimed to analyze the content of thyroid cancer-related YouTube videos, particularly those from 2016 onwards, to evaluate the potential spread of misinformation. METHODS A total of 326 videos for analysis were collected using a video search protocol with the keyword "thyroid cancer" on YouTube. This study classified the selected YouTube videos as either provided by medical professionals or not and used topic clustering with LDA (latent dirichlet allocation), sentiment analysis with KoBERT (Korean bidirectional encoder representations from transformers), and reliability evaluation to analyze the content. The proportion of mentions of poor prognosis for thyroid cancer and the categorization of advertising content was also analyzed. RESULTS Videos by medical professionals were categorized into 7 topics, with "Thyroid cancer is not a 'Good cancer'" being the most common. The number of videos opposing excessive thyroid cancer screening decreased gradually yearly. Videos advocating screening received more favorable comments from viewers than videos opposing excessive thyroid cancer screening. Patient experience videos were categorized into 6 topics, with the "Treatment process and after-treatment" being the most common. CONCLUSION This study found that a significant proportion of videos uploaded by medical professionals on thyroid cancer endorse the practice, potentially leading to excessive treatments. The study highlights the need for medical professionals to provide high-quality and unbiased information on social media platforms to prevent the spread of medical misinformation and the need for criteria to judge the content and quality of online health information.
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Affiliation(s)
- EunKyo Kang
- National Cancer Control Institute, National Cancer Center, 323 Ilsan-ro, Ilsandong-gu, 10408, Goyang- si, Gyeonggi-do, Korea.
- Department of Family Medicine, National Cancer Center, Goyang, Korea.
| | - HyoRim Ju
- Department of Family Medicine, Dankook University Hospital, Cheonan, Chungcheongnam-do, Korea
| | - Soojeong Kim
- Department of Biomedical Science, Seoul National University College of Medicine, Seoul, Korea
| | - Juyoung Choi
- National Cancer Control Institute, National Cancer Center, 323 Ilsan-ro, Ilsandong-gu, 10408, Goyang- si, Gyeonggi-do, Korea
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2
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Stoffel ST, Hirst Y, Ghanouni A, Waller J, von Wagner C. Offering disinclined people the choice between different screening appointments: a randomised online survey. Psychol Health 2020; 36:1135-1146. [PMID: 33073598 DOI: 10.1080/08870446.2020.1834559] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/23/2022]
Abstract
OBJECTIVES An invitation to cancer screening with a single (fixed) appointment time has been shown to be a more effective way at increasing uptake compared with an invitation with an open (unscheduled) appointment. The present study tested whether offering more than one fixed appointment could further enhance this effect or be detrimental to people's intention. DESIGN Experimental online hypothetical vignette survey. METHODS 1,908 respondents who stated that they did not intend to participate in Bowel Scope Screening (BSS) were offered either one, two, four or six hypothetical fixed BSS appointments (all of which covered the same time of day to control for individual preferences). RESULTS Participants who were given more than one appointment to choose from were less likely to intend to book an appointment despite multiple appointments being perceived as more convenient. CONCLUSIONS These results suggest that when it comes to offering people appointments for cancer screening, less (choice) is more, at least if alternatives fail to serve an inherent preference.
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Affiliation(s)
- Sandro Tiziano Stoffel
- Research Department of Behavioural Science and Health, University College London, London, UK.,Business School, University of Aberdeen, Aberdeen, UK.,Institute of Pharmaceutical Medicine, University of Basel, Basel, Switzerland
| | - Yasemin Hirst
- Research Department of Behavioural Science and Health, University College London, London, UK
| | - Alex Ghanouni
- Research Department of Behavioural Science and Health, University College London, London, UK
| | - Jo Waller
- Cancer Prevention Group, School of Cancer and Pharmaceutical Sciences, King's College London, London, UK
| | - Christian von Wagner
- Research Department of Behavioural Science and Health, University College London, London, UK
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3
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Symonds EL, Hughes D, Flight I, Woodman R, Chen G, Ratcliffe J, Pedersen SK, Fraser RJL, Wilson CJ, Young GP. A Randomized Controlled Trial Testing Provision of Fecal and Blood Test Options on Participation for Colorectal Cancer Screening. Cancer Prev Res (Phila) 2019; 12:631-640. [PMID: 31266825 DOI: 10.1158/1940-6207.capr-19-0089] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/19/2019] [Revised: 04/24/2019] [Accepted: 06/27/2019] [Indexed: 11/16/2022]
Abstract
Suboptimal participation is commonly observed in colorectal cancer screening programs utilizing fecal tests. This randomized controlled trial tested whether the offer of a blood test as either a "rescue" strategy for fecal test nonparticipants or an upfront choice, could improve participation. A total of 1,800 people (50-74 years) were randomized to control, rescue, or choice groups (n = 600/group). All were mailed a fecal immunochemical test (FIT, OC-Sensor, Eiken Chemical Company) and a survey assessing awareness of the screening tests. The rescue group was offered a blood test 12 weeks after FIT nonparticipation. The choice group was given the opportunity to choose to do a blood test (Colvera, Clinical Genomics) instead of FIT at baseline. Participation with any test after 24 weeks was not significantly different between groups (control, 37.8%; rescue, 36.9%; choice, 33.8%; P > 0.05). When the rescue strategy was offered after 12 weeks, an additional 6.5% participated with the blood test, which was greater than the blood test participation when offered as an upfront choice (1.5%; P < 0.001). Awareness of the tests was greater for FIT than for blood (96.2% vs. 23.1%; P < 0.0001). In a population familiar with FIT screening, provision of a blood test either as a rescue of FIT nonparticipants or as an upfront choice did not increase overall participation. This might reflect a lack of awareness of the blood test for screening compared with FIT.
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Affiliation(s)
- Erin L Symonds
- Flinders Centre for Innovation in Cancer, Bedford Park, South Australia, Australia. .,Bowel Health Service, Flinders Medical Centre, Bedford Park, South Australia, Australia
| | - Donna Hughes
- Flinders Centre for Innovation in Cancer, Bedford Park, South Australia, Australia
| | - Ingrid Flight
- Flinders Centre for Innovation in Cancer, Bedford Park, South Australia, Australia
| | - Richard Woodman
- Flinders Centre for Epidemiology and Biostatistics, School of Medicine, Flinders University, Bedford Park, South Australia, Australia
| | - Gang Chen
- Centre for Health Economics, Monash University, Caulfield East, Victoria, Australia
| | - Julie Ratcliffe
- College of Nursing and Health Sciences, Health and Social Care Economics Group, Flinders University, Bedford Park, South Australia, Australia
| | | | - Robert J L Fraser
- Flinders Centre for Innovation in Cancer, Bedford Park, South Australia, Australia.,Department of Gastroenterology and Hepatology, Flinders Medical Centre, Bedford Park, South Australia, Australia
| | - Carlene J Wilson
- Flinders Centre for Innovation in Cancer, Bedford Park, South Australia, Australia.,School of Psychology & Public Health, La Trobe University, Bundoora, Victoria, Australia
| | - Graeme P Young
- Flinders Centre for Innovation in Cancer, Bedford Park, South Australia, Australia
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4
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Vermeer NCA, Bahadoer RR, Bastiaannet E, Holman FA, Meershoek-Klein Kranenbarg E, Liefers GJ, van de Velde CJH, Peeters KCMJ. Introduction of a colorectal cancer screening programme: results from a single-centre study. Colorectal Dis 2018; 20:O239-O247. [PMID: 29917325 DOI: 10.1111/codi.14313] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 01/30/2018] [Accepted: 06/06/2018] [Indexed: 02/08/2023]
Abstract
AIM In 2014, a national colorectal cancer (CRC) screening programme was launched in the Netherlands. It is difficult to assess for the individual patients with CRC whether the oncological benefits of surgery will outweigh the morbidity of the procedure, especially in early lesions. This study compares patient and tumour characteristics between screen-detected and nonscreen-detected patients. Also, we present an overview of treatment options and clinical dilemmas when treating patients with early-stage colorectal disease. METHOD Between January 2014 and December 2016, all patients with nonmalignant polyps or CRC who were referred to the Department of Surgery of the Leiden University Medical Centre in the Netherlands were included. Baseline characteristics, type of treatment and short-term outcomes of patients with screen-detected and nonscreen-detected colorectal tumours were compared. RESULTS A total of 426 patients were included, of whom 240 (56.3%) were identified by screening. Nonscreen-detected patients more often had comorbidity (P = 0.03), the primary tumour was more often located in the rectum (P = 0.001) and there was a higher rate of metastatic disease (P < 0.001). Of 354 surgically treated patients, postoperative adverse events did not significantly differ between the two groups (P = 0.38). Of 46 patients with T1 CRC in the endoscopic resection specimen, 23 underwent surgical resection of whom only 30.4% had residual invasive disease at colectomy. CONCLUSION Despite differences in comorbidity, stage and surgical outcome of patients with screen-detected tumours compared to nonscreen-detected tumours were not significantly different. Considering its limited oncological benefits as well as the rate of adverse events, surgery for nonmalignant polyps and T1 CRC should be considered carefully.
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Affiliation(s)
- N C A Vermeer
- Department of Surgery, Leiden University Medical Centre, Leiden, The Netherlands
| | - R R Bahadoer
- Department of Surgery, Leiden University Medical Centre, Leiden, The Netherlands
| | - E Bastiaannet
- Department of Surgery, Leiden University Medical Centre, Leiden, The Netherlands.,Department of Medical Oncology, Leiden University Medical Centre, Leiden, The Netherlands
| | - F A Holman
- Department of Surgery, Leiden University Medical Centre, Leiden, The Netherlands
| | | | - G J Liefers
- Department of Surgery, Leiden University Medical Centre, Leiden, The Netherlands
| | - C J H van de Velde
- Department of Surgery, Leiden University Medical Centre, Leiden, The Netherlands
| | - K C M J Peeters
- Department of Surgery, Leiden University Medical Centre, Leiden, The Netherlands
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5
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Wood B, Russell VL, El-Khatib Z, McFaul S, Taljaard M, Little J, Graham ID. "They Should Be Asking Us": A Qualitative Decisional Needs Assessment for Women Considering Cervical Cancer Screening. Glob Qual Nurs Res 2018; 5:2333393618783632. [PMID: 30014003 PMCID: PMC6041998 DOI: 10.1177/2333393618783632] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/21/2017] [Revised: 05/14/2018] [Accepted: 05/22/2018] [Indexed: 01/13/2023] Open
Abstract
In this study, we examine from multiple perspectives, women's shared decision-making needs when considering cervical screening options: Pap testing, in-clinic human papillomavirus (HPV) testing, self-collected HPV testing, or no screening. The Ottawa Decision Support Framework guided the development of the interview schedule. We conducted semi-structured interviews with seven screen-eligible women and five health care professionals (three health care providers and two health system managers). Women did not perceive that cervical screening involves a "decision," which limited their knowledge of options, risks, and benefits. Women and health professionals emphasized how a trusted primary care provider can support women making a choice among cervical screening modalities. Having all cervical screening options recommended and funded was perceived as an important step to facilitate shared decision making. Supporting women in making preference-based decisions in cervical cancer screening may increase screening among those who do not undergo screening regularly and decrease uptake in women who are over-screened.
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Affiliation(s)
| | | | - Ziad El-Khatib
- Karolinska Institutet, Stockholm, Sweden
- Université du Québec en Abitibi-Témiscamingue, Québec, Canada
| | | | - Monica Taljaard
- University of Ottawa, Ottawa, Ontario, Canada
- Ottawa Hospital Research Institute, Ottawa, Ontario, Canada
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6
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Ye D, Huang Q, Li Q, Jiang X, Mamat M, Tang M, Wang J, Chen K. Comparative Evaluation of Preliminary Screening Methods for Colorectal Cancer in a Mass Program. Dig Dis Sci 2017. [PMID: 28634645 DOI: 10.1007/s10620-017-4648-1] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/16/2022]
Abstract
BACKGROUND The fecal immunochemical test (FIT) has been widely used in preliminary screening for colorectal cancer (CRC). The high-risk factor questionnaire (HRFQ) and quantitative risk-assessment method (QRAM) are recommended for estimating the risk of CRC qualitatively and quantitatively in China. AIM We aimed to prospectively compare the diagnostic values of CRC preliminary screening methods to identify which method is preferable as a screening strategy. METHODS Individuals aged 40-74 years old were enrolled in a mass CRC screening program from January 1, 2007 to December 31, 2014, in Jiashan County, Zhejiang Province, China. FIT of two stool specimens at 1-week intervals was performed by laboratory personnel and face-to-face interviews were conducted by trained investigators. Screening data in the program were linked to a CRC surveillance and registry system, and CRC cases reported in the system were regarded as true patients. RESULTS A total of 96,043 subjects were included. The sensitivity and specificity of FIT for detecting CRC cases were 75.49% (95% CI 69.84-80.39) and 90.36% (95% CI 90.17-90.54), respectively. QRAM was more sensitive (p < 0.001) and less specific (p < 0.001) than HRFQ. The sensitivity and specificity of FIT along with HRFQ were 86.56% (95% CI 81.81-90.22) and 81.37% (95% CI 81.12-81.62), and those of FIT along with QRAM were 88.93% (95% CI 84.47-92.23) and 73.95% (95% CI 73.67-74.23). CONCLUSIONS Our findings suggest that CRC preliminary screening with FIT and QRAM in parallel has high sensitivity and satisfactory specificity, and is a useful strategy in mass screening programs.
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Affiliation(s)
- Ding Ye
- Department of Epidemiology and Health Statistics, Zhejiang University School of Public Health, Hangzhou, 310058, China
| | - Qiuchi Huang
- Department of Epidemiology and Health Statistics, Zhejiang University School of Public Health, Hangzhou, 310058, China
| | - Qilong Li
- Jiashan Institute of Cancer Prevention and Treatment, Jiaxing, 314100, China
| | - Xiyi Jiang
- Department of Epidemiology and Health Statistics, Zhejiang University School of Public Health, Hangzhou, 310058, China
| | - Mayila Mamat
- Department of Epidemiology and Health Statistics, Zhejiang University School of Public Health, Hangzhou, 310058, China
| | - Mengling Tang
- Department of Epidemiology and Health Statistics, Zhejiang University School of Public Health, Hangzhou, 310058, China
| | - Jianbing Wang
- Department of Epidemiology and Health Statistics, Zhejiang University School of Public Health, Hangzhou, 310058, China
| | - Kun Chen
- Department of Epidemiology and Health Statistics, Zhejiang University School of Public Health, Hangzhou, 310058, China.
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7
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Hofmann B. Ethical issues with colorectal cancer screening-a systematic review. J Eval Clin Pract 2017; 23:631-641. [PMID: 28026076 DOI: 10.1111/jep.12690] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 10/11/2016] [Revised: 11/16/2016] [Accepted: 11/16/2016] [Indexed: 12/26/2022]
Abstract
RATIONALE, AIMS, AND OBJECTIVES Colorectal cancer (CRC) screening is widely recommended and implemented. However, sometimes CRC screening is not implemented despite good evidence, and some types of CRC screening are implemented despite lack of evidence. The objective of this article is to expose and elucidate relevant ethical issues in the literature on CRC screening that are important for open and transparent deliberation on CRC screening. METHODS An axiological question-based method is used for exposing and elucidating ethical issues relevant in HTA. A literature search in MEDLINE, Embase, PsycINFO, PubMed Bioethics subset, ISI Web of Knowledge, Bioethics Literature Database (BELIT), Ethics in Medicine (ETHMED), SIBIL Base dati di bioetica, LEWI Bibliographic Database on Ethics in the Sciences and Humanities, and EUROETHICS identified 870 references of which 114 were found relevant according to title and abstract. The content of the included papers were subject to ethical analysis to highlight the ethical issues, concerns, and arguments. RESULTS A wide range of important ethical issues were identified. The main benefits are reduced relative CRC mortality rate, and potentially incidence rate, but there is no evidence of reduced absolute mortality rate. Potential harms are bleeding, perforation, false test results, overdetection, overdiagnosis, overtreatment (including unnecessary removal of polyps), and (rarely) death. Other important issues are related to autonomy and informed choice equity, justice, medicalization, and expanding disease. CONCLUSION A series of important ethical issues have been identified and need to be addressed in open and transparent deliberation on CRC screening.
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Affiliation(s)
- Bjørn Hofmann
- Department of Health Science, the Norwegian University for Science and Technology, Gjøvik, Norway.,The Centre of Medical Ethics at the University of Oslo, Norway
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8
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Schreuders EH, Grobbee EJ, Kuipers EJ, Spaander MCW, Veldhuyzen van Zanten SJO. Variable Quality and Readability of Patient-oriented Websites on Colorectal Cancer Screening. Clin Gastroenterol Hepatol 2017; 15:79-85.e3. [PMID: 27404964 DOI: 10.1016/j.cgh.2016.06.029] [Citation(s) in RCA: 21] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 12/21/2015] [Revised: 06/13/2016] [Accepted: 06/17/2016] [Indexed: 02/07/2023]
Abstract
BACKGROUND & AIMS The efficacy of colorectal cancer (CRC) screening is dependent on participation and subsequent adherence to surveillance. The internet increasingly is used for health information and is important to support decision making. We evaluated the accuracy, quality, and readability of online information on CRC screening and surveillance. METHODS A Website Accuracy Score and Polyp Score were developed, which awarded points for various aspects of CRC screening and surveillance. Websites also were evaluated using validated internet quality instruments (Global Quality Score, LIDA, and DISCERN), and reading scores. Two raters independently assessed the top 30 websites appearing on Google.com. Portals, duplicates, and news articles were excluded. RESULTS Twenty websites were included. The mean website accuracy score was 26 of 44 (range, 9-41). Websites with the highest scores were www.cancer.org, www.bowelcanceraustralia.org, and www.uptodate.com. The median polyp score was 3 of 10. The median global quality score was 3 of 5 (range, 2-5). The median overall LIDA score was 74% and the median DISCERN score was 45, both indicating moderate quality. The mean Flesch-Kincaid grade level was 11th grade, rating the websites as difficult to read, 30% had a reading level acceptable for the general public (Flesch Reading Ease > 60). There was no correlation between the Google rank and the website accuracy score (rs = -0.31; P = .18). CONCLUSIONS There is marked variation in quality and readability of websites on CRC screening. Most websites do not address polyp surveillance. The poor correlation between quality and Google ranking suggests that screenees will miss out on high-quality websites using standard search strategies.
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Affiliation(s)
- Eline H Schreuders
- Department of Gastroenterology and Hepatology, Erasmus MC University Medical Center, Rotterdam, The Netherlands.
| | - Esmée J Grobbee
- Department of Gastroenterology and Hepatology, Erasmus MC University Medical Center, Rotterdam, The Netherlands
| | - Ernst J Kuipers
- Department of Gastroenterology and Hepatology, Erasmus MC University Medical Center, Rotterdam, The Netherlands
| | - Manon C W Spaander
- Department of Gastroenterology and Hepatology, Erasmus MC University Medical Center, Rotterdam, The Netherlands
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9
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Broc G, Gana K, Denost Q, Quintard B. Decision-making in rectal and colorectal cancer: systematic review and qualitative analysis of surgeons' preferences. PSYCHOL HEALTH MED 2016; 22:434-448. [PMID: 27687292 DOI: 10.1080/13548506.2016.1220598] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/24/2022]
Abstract
Surgeons are experiencing difficulties implementing recommendations not only owing to incomplete, confusing or conflicting information but also to the increasing involvement of patients in decisions relating to their health. This study sought to establish which common factors including heuristic factors guide surgeons' decision-making in colon and rectal cancers. We conducted a systematic literature review of surgeons' decision-making factors related to colon and rectal cancer treatment. Eleven of 349 identified publications were eligible for data analyses. Using the IRaMuTeQ (Interface of R for the Multidimensional Analyses of Texts and Questionnaire), we carried out a qualitative analysis of the significant factors collected in the studies reviewed. Several validation procedures were applied to control the robustness of the findings. Five categories of factors (i.e. patient, surgeon, treatment, tumor and organizational cues) were found to influence surgeons' decision-making. Specifically, all decision criteria including biomedical (e.g. tumor information) and heuristic (e.g. surgeons' dispositional factors) criteria converged towards the factor 'age of patient' in the similarity analysis. In the light of the results, we propose an explanatory model showing the impact of heuristic criteria on medical issues (i.e. diagnosis, prognosis, treatment features, etc.) and thus on decision-making. Finally, the psychosocial complexity involved in decision-making is discussed and a medico-psycho-social grid for use in multidisciplinary meetings is proposed.
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Affiliation(s)
- Guillaume Broc
- a Laboratoire INSERM U1219 , Université de Bordeaux, C.H.U. de Bordeaux , Bordeaux , France
| | - Kamel Gana
- b Laboratoire INSERM U1219 , Université de Bordeaux , Bordeaux , France
| | - Quentin Denost
- c Service de chirurgie digestive , C.H.U. de Bordeaux , Bordeaux , France
| | - Bruno Quintard
- b Laboratoire INSERM U1219 , Université de Bordeaux , Bordeaux , France
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10
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Wood B, Van Katwyk SR, El-Khatib Z, McFaul S, Taljaard M, Wright E, Graham ID, Little J. Eliciting women's cervical screening preferences: a mixed methods systematic review protocol. Syst Rev 2016; 5:136. [PMID: 27516072 PMCID: PMC4982264 DOI: 10.1186/s13643-016-0310-9] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 04/13/2016] [Accepted: 08/01/2016] [Indexed: 02/06/2023] Open
Abstract
BACKGROUND With the accumulation of evidence regarding potential harms of cancer screening in recent years, researchers, policy-makers, and the public are becoming more critical of population-based cancer screening. Consequently, a high-quality cancer screening program should consider individuals' values and preferences when determining recommendations. In cervical cancer screening, offering women autonomy is considered a "person-centered" approach to health care services; however, it may impact the effectiveness of the program should women choose to not participate. As part of a larger project to investigate women's cervical screening preferences and correlates of these preferences, this systematic review will capture quantitative and qualitative investigations of women's cervical screening preferences and the methods used to elicit them. DESIGN AND METHODS This mixed methods synthesis will use a thematic analysis approach to synthesize qualitative, quantitative, and mixed methods evidence. This protocol describes the methods that will be used in this investigation. A search strategy has been developed with a health librarian and peer reviewed using PRESS. Based on this strategy, five databases and the gray literature will be searched for studies that meet the inclusion criteria. The quality of the included individual studies will be examined using the Mixed Methods Appraisal Tool. Three reviewers will extract data from the primary studies on the tools or instruments used to elicit women's preferences regarding cervical cancer screening, theoretical frameworks used, outcomes measured, the outstanding themes from quantitative and qualitative evidence, and the identified preferences for cervical cancer screening. We will describe the relationships between study results and the study population, "intervention" (e.g., tool or instrument), and context. We will follow the PRISMA reporting guideline. We will compare findings across studies and between study methods (e.g., qualitative versus quantitative study designs). The strength of the synthesized findings will be assessed using the validated GRADE and CERQual tool. DISCUSSION This review will inform the development of a tool to elicit women's cervical screening preferences. Understanding the methods used to elicit women's preferences and what is known about women's cervical screening preferences will be useful for guideline developers who wish to incorporate a woman-centered approach specifically for cervical screening guidelines. SYSTEMATIC REVIEW REGISTRATION PROSPERO CRD42016035737.
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Affiliation(s)
- Brianne Wood
- School of Epidemiology, Public Health and Preventive Medicine, University of Ottawa, Roger-Guindon Hall, Room 3105, 451 Smyth Road, Ottawa, K1H 8M5, Ontario, Canada.
| | - Susan Rogers Van Katwyk
- School of Epidemiology, Public Health and Preventive Medicine, University of Ottawa, Roger-Guindon Hall, Room 3105, 451 Smyth Road, Ottawa, K1H 8M5, Ontario, Canada
| | - Ziad El-Khatib
- Department of Public Health Sciences, K9, Karolinska Institutet, Tomtebodavägen 18A; Widerströmska huset, 171 77, Stockholm, Sweden.,World Health Programme, Université du Québec en Abitibi-Témiscamingue, 79, rue Côté Notre-Dame-du-Nord, Québec, J0Z 3B0, Canada
| | - Susan McFaul
- Department of Obstetrics and Gynecology, University of Ottawa, 1919 Riverside Dr., Suite 201, Ottawa, K1H 1A2, Ontario, Canada
| | - Monica Taljaard
- School of Epidemiology, Public Health and Preventive Medicine, University of Ottawa, Roger-Guindon Hall, Room 3105, 451 Smyth Road, Ottawa, K1H 8M5, Ontario, Canada.,Clinical Epidemiology Program, Ottawa Hospital Research Institute, 725 Parkdale Ave., Ottawa, K1Y 4E9, Ontario, Canada
| | - Erica Wright
- Health Sciences Library, University of Ottawa, Roger-Guindon Hall, Room 1020, 451 Smyth Road, Ottawa, K1H 8M5, Ontario, Canada
| | - Ian D Graham
- School of Epidemiology, Public Health and Preventive Medicine, University of Ottawa, Roger-Guindon Hall, Room 3105, 451 Smyth Road, Ottawa, K1H 8M5, Ontario, Canada
| | - Julian Little
- School of Epidemiology, Public Health and Preventive Medicine, University of Ottawa, Roger-Guindon Hall, Room 3105, 451 Smyth Road, Ottawa, K1H 8M5, Ontario, Canada
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11
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Kuipers EJ, Grady WM, Lieberman D, Seufferlein T, Sung JJ, Boelens PG, van de Velde CJH, Watanabe T. Colorectal cancer. Nat Rev Dis Primers 2015; 1:15065. [PMID: 27189416 PMCID: PMC4874655 DOI: 10.1038/nrdp.2015.65] [Citation(s) in RCA: 968] [Impact Index Per Article: 107.6] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 02/07/2023]
Abstract
Colorectal cancer had a low incidence several decades ago. However, it has become a predominant cancer and now accounts for approximately 10% of cancer-related mortality in western countries. The 'rise' of colorectal cancer in developed countries can be attributed to the increasingly ageing population, unfavourable modern dietary habits and an increase in risk factors, such as smoking, low physical exercise and obesity. New treatments for primary and metastatic colorectal cancer have emerged, providing additional options for patients; these treatments include laparoscopic surgery for primary disease, more-aggressive resection of metastatic disease (such as liver and pulmonary metastases), radiotherapy for rectal cancer, and neoadjuvant and palliative chemotherapies. However, these new treatment options have had limited impact on cure rates and long-term survival. For these reasons, and the recognition that colorectal cancer is long preceded by a polypoid precursor, screening programmes have gained momentum. This Primer provides an overview of the current state of the art of knowledge on the epidemiology and mechanisms of colorectal cancer, as well as on diagnosis and treatment.
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Affiliation(s)
- Ernst J. Kuipers
- Erasmus MC University Medical Center, s-Gravendijkwal 230, 3015 CE Rotterdam, The Netherlands
| | - William M. Grady
- Clinical Research Division, Fred Hutchinson Cancer Research Center; Department of Medicine, University of Washington School of Medicine, Seattle, WA, USA
| | - David Lieberman
- Division of Gastroenterology and Hepatology, Oregon Health and Science University, Portland, OR, USA
| | | | - Joseph J. Sung
- Department of Medicine and Therapeutics, Chinese University of Hong Kong, Hong Kong, China
| | - Petra G. Boelens
- Department of Surgery, Leiden University Medical Center, Leiden, The Netherlands
| | | | - Toshiaki Watanabe
- Department of Surgical Oncology and Vascular Surgery, University of Tokyo, and the University of Tokyo Hospital, Tokyo, Japan
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Coghlin C, Murray GI. Biomarkers of colorectal cancer: Recent advances and future challenges. Proteomics Clin Appl 2015; 9:64-71. [DOI: 10.1002/prca.201400082] [Citation(s) in RCA: 43] [Impact Index Per Article: 4.8] [Reference Citation Analysis] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/24/2014] [Revised: 09/19/2014] [Accepted: 10/07/2014] [Indexed: 12/19/2022]
Affiliation(s)
- Caroline Coghlin
- Department of Pathology; Aberdeen Royal Infirmary; NHS Grampian; Aberdeen UK
| | - Graeme I. Murray
- Pathology Division of Applied Medicine; School of Medicine and Dentistry; University of Aberdeen; Aberdeen UK
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Assessing stated preferences for colorectal cancer screening: a critical systematic review of discrete choice experiments. PATIENT-PATIENT CENTERED OUTCOMES RESEARCH 2014; 7:271-82. [PMID: 24652475 DOI: 10.1007/s40271-014-0054-3] [Citation(s) in RCA: 30] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/27/2022]
Abstract
BACKGROUND It is well established that screening is effective in reducing the incidence and mortality associated with colorectal cancer (CRC). National screening programs have been implemented in many countries; however, uptake remains an issue. Understanding patient preferences may assist in shaping screening programs and tailoring information about screening tests. OBJECTIVE Our objective was to undertake a systematic review of discrete choice experiments (DCEs) of CRC screening. METHODS A systematic review of DCEs of CRC screening was undertaken in an average-risk general population. The methodological qualities of the studies were assessed using a standard checklist outlining best practice for conjoint studies. RESULTS Nine studies met the selection criteria. Meta-analysis was not possible due to the heterogeneity of the data and methods. However, in eight studies, attributes describing accuracy and/or clinical effectiveness were reported to be statistically significant. We also found that individuals were willing to trade-off other attributes such as an increased risk of complications to gain greater clinical benefits. Screening was also preferred to non-screening by the majority of respondents, regardless of the test used. CONCLUSIONS Understanding and incorporating individuals' preferences in decision making is increasingly considered essential in the health field. Data from DCEs can provide valuable insights into the trade-offs individuals are willing to undertake in respect to CRC screening. Such insights can be used by decision makers to identify screening tests that could maximize informed uptake. It is likely that, with better reporting and evolving methodology, the contribution that DCEs can make to such debates will increase.
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van der Paardt M, Zijta F, Boellaard T, Jensch S, Baak L, Depla A, Dekker E, Nederveen A, Bipat S, Stoker J. Magnetic resonance colonography with automated carbon dioxide insufflation: Diagnostic accuracy and distension. Eur J Radiol 2014; 83:743-50. [DOI: 10.1016/j.ejrad.2014.01.013] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/12/2013] [Revised: 01/05/2014] [Accepted: 01/13/2014] [Indexed: 01/17/2023]
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van Dam L, Bretthauer M. Ethical issues in colorectal cancer screening. Best Pract Res Clin Gastroenterol 2014; 28:315-26. [PMID: 24810192 DOI: 10.1016/j.bpg.2014.03.002] [Citation(s) in RCA: 14] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 02/18/2014] [Accepted: 03/02/2014] [Indexed: 02/07/2023]
Abstract
In many countries, colorectal cancer screening is currently an established population screening program due to the evidence on its reduction of colorectal cancer mortality. There is general consensus that colorectal cancer screening meets the screening criteria as proposed by Wilson and Jungner. However, as for all population screening programs, colorectal cancer screening also has disadvantages and thereby entails ethical issues. There are the general issues concerning the introduction of screening programs (e.g. medicalization, overdiagnosis and overtreatment, information provision to screenees), evaluation of cancer screening programs (e.g. lead time and length bias), chosen screening method (e.g. false-positive and false-negative test results, reduction of all-cause mortality, choice between different screening methods). The different colorectal cancer screening methods and the ethical issues concerning colorectal cancer screening will be discussed in this review.
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Affiliation(s)
- Leonie van Dam
- Department of Gastroenterology and Hepatology, University Medical Centre Rotterdam, The Netherlands; Department of Medical Ethics and Philosophy, University Medical Centre Rotterdam, The Netherlands.
| | - Michael Bretthauer
- Institute of Health and Society, University of Oslo, Oslo, Norway; Department of Transplantation Medicine, Section of Gastroenterology, Oslo University Hospital, Oslo, Norway.
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de Beaufort I. 'Please, sir, can I have some more?' Food, lifestyle, diets: respect and moral responsibility. Best Pract Res Clin Gastroenterol 2014; 28:235-45. [PMID: 24810184 DOI: 10.1016/j.bpg.2014.02.001] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 02/01/2014] [Revised: 02/06/2014] [Accepted: 02/09/2014] [Indexed: 01/31/2023]
Abstract
This article is about respect for food, responsibility for lifestyle and diet and responsibility for those who suffer from lack of food. After some general reflections on food, feasts, flatulence, taboos and waste, I argue that we have a responsibility to live a healthy lifestyle, but that there are also morally good reasons for taking risks with our health as we cherish other goals and values. Then I discuss situations, using the example of obesity, in which people are not free to choose their lifestyle. Governments and doctors have responsibilities in enabling people to chose healthy eating habits, e.g. by facilitating access to healthy foods and by criticizing scientifically unfounded weight loss diets. I continue to defend that we need to respect food and those who prepare it, and that we have a moral responsibility to contribute to the solution of the food gap in the world.
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Affiliation(s)
- Inez de Beaufort
- Erasmus MC/University Medical Centre, Dept Medical Ethics and Philosophy of Medicine, P.O. Box 2040, 3000 CA Rotterdam, The Netherlands.
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17
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Coghlin C, Murray GI. Progress in the identification of plasma biomarkers of colorectal cancer. Proteomics 2014; 13:2227-8. [PMID: 23818135 DOI: 10.1002/pmic.201300245] [Citation(s) in RCA: 17] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/24/2013] [Revised: 06/24/2013] [Accepted: 06/24/2013] [Indexed: 01/18/2023]
Abstract
Proteomic analysis of human tissue and plasma samples has been a useful tool in recent years for the identification of potential biomarkers to aid in the early diagnosis of colorectal cancer. However, biomarkers relating to the crucial transition between adenomatous lesions and invasive colorectal malignancy have not previously been described. The work of Choi et al. (Proteomics 2013, 13, 2361-2374) attempts to address this issue. Using plasma samples from age-matched patients with colorectal adenomas or invasive disease this group identified a range of plasma proteins and cytokines that were differentially expressed. This information not only provides insights into the biology of the adenoma to carcinoma progression sequence but it also represents a step towards the goal of achieving diagnostically accurate and clinically acceptable biomarkers in early colorectal cancer.
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Affiliation(s)
- Caroline Coghlin
- Department of Pathology, Aberdeen Royal Infirmary, NHS Grampian, Aberdeen, United Kingdom
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Xiao Z, Li B, Wang G, Zhu W, Wang Z, Lin J, Xu A, Wang X. Validation of methylation-sensitive high-resolution melting (MS-HRM) for the detection of stool DNA methylation in colorectal neoplasms. Clin Chim Acta 2014; 431:154-63. [PMID: 24518356 DOI: 10.1016/j.cca.2014.01.044] [Citation(s) in RCA: 24] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/09/2013] [Revised: 01/18/2014] [Accepted: 01/26/2014] [Indexed: 12/18/2022]
Abstract
BACKGROUND Methylation-sensitive high-resolution melting (MS-HRM) is a new technique for assaying DNA methylation, but its feasibility for assaying stool in patients with colorectal cancer (CRC) is unknown. METHODS First, the MS-HRM and methylation-specific PCR (MSP) detection limits were tested. Second, the methylation statuses of SFRP2 and VIM were analyzed in stool samples by MS-HRM, and in matching tumor and normal colon tissues via bisulfite sequencing PCR (BSP). Third, a case-control study evaluated the diagnostic sensitivity and specificity of MS-HRM relative to results obtained with MSP and the fecal immunochemical test (FIT). Finally, the linearity and reproducibility of MS-HRM were assessed. RESULTS The detection limits of MS-HRM and MSP were 1% and 5%, respectively. The diagnostic sensitivities of MS-HRM (87.3%, 55/63) in stool and BSP in matching tumor tissue (92.1%, 58/63) were highly consistent (κ=0.744). The MS-HRM assay detected 92.5% (37/40) methylation in CRCs, 94.4% (34/36) in advanced adenomas, and 8.8% (5/57) in normal controls. The results of MS-HRM analysis were stable and reliable and showed fairly good linearity for both SFRP2 (P<0.001, R(2)=0.957) and VIM (P<0.001, R(2)=0.954). CONCLUSIONS MS-HRM shows potential for CRC screening.
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Affiliation(s)
- Zhujun Xiao
- Department of Gastroenterology, Nanfang Hospital, Southern Medical University, Guangzhou 510515, China; Guangdong Provincial Key Laboratory of Gastroenterology, Guangzhou 510515, China
| | - Bingsheng Li
- Department of Gastroenterology, Nanfang Hospital, Southern Medical University, Guangzhou 510515, China; Department of Gastroenterology, Huizhou First Hospital, Huizhou 516003, China
| | - Guozhen Wang
- Department of Gastroenterology, Nanfang Hospital, Southern Medical University, Guangzhou 510515, China; Guangdong Provincial Key Laboratory of Gastroenterology, Guangzhou 510515, China
| | - Weisi Zhu
- Department of Gastroenterology, Nanfang Hospital, Southern Medical University, Guangzhou 510515, China; Guangdong Provincial Key Laboratory of Gastroenterology, Guangzhou 510515, China
| | - Zhongqiu Wang
- Department of Gastroenterology, Nanfang Hospital, Southern Medical University, Guangzhou 510515, China; Guangdong Provincial Key Laboratory of Gastroenterology, Guangzhou 510515, China
| | - Jinfeng Lin
- Department of Gastroenterology, Nanfang Hospital, Southern Medical University, Guangzhou 510515, China; Guangdong Provincial Key Laboratory of Gastroenterology, Guangzhou 510515, China
| | - Angao Xu
- Department of Gastroenterology, Nanfang Hospital, Southern Medical University, Guangzhou 510515, China; Huizhou Medicine Institute, Huizhou 516003, China.
| | - Xinying Wang
- Department of Gastroenterology, Nanfang Hospital, Southern Medical University, Guangzhou 510515, China; Guangdong Provincial Key Laboratory of Gastroenterology, Guangzhou 510515, China.
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van der Paardt MP, Stoker J. Magnetic Resonance Colonography for Screening and Diagnosis of Colorectal Cancer. Magn Reson Imaging Clin N Am 2014; 22:67-83. [DOI: 10.1016/j.mric.2013.07.006] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/13/2022]
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Abstract
The first evidence that screening for colorectal cancer (CRC) could effectively reduce mortality dates back 20 years. However, actual population screening has, in many countries, halted at the level of individual testing and discussions on differences between screening tests. With a wealth of new evidence from various community-based studies looking at test uptake, screening-programme organization and the importance of quality assurance, population screening for CRC is now moving into a new realm, promising better results in terms of reducing CRC-specific morbidity and mortality. Such a shift in the paradigm requires a change from opportunistic, individual testing towards organized population screening with comprehensive monitoring and full-programme quality assurance. To achieve this, a combination of factors--including test characteristics, uptake, screenee autonomy, costs and capacity--must be considered. Thus, evidence from randomized trials comparing different tests must be supplemented by studies of acceptance and uptake to obtain the full picture of the effectiveness (in terms of morbidity, mortality and cost) the different strategies have. In this Review, we discuss a range of screening modalities and describe the factors to be considered to achieve a truly effective population CRC screening programme.
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