Browsing by author "Bell, Katy J.L."
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16 The burden of cancer overdiagnosis in Australia
Glasziou, Paul; Jones, Mark; Pathirana, Thanya; Barratt, Alexandra L; Bell, Katy J.L.Published 2019Burden of cancer is increasing worldwide, and in Australia, partly due to overdiagnosis: cancers which would never cause symptoms or harm if left undetected. We sought to estimate the current burden of overdiagnosis of ...Presentation -
23 Heart age: intuitive communication tool or gateway to overdiagnosis? A comparison of 3 countries
Bonner, Carissa; McKinn, Shannon; McCaffery, Kirsten; Glasziou, Paul; Doust, Jenny; Jansen, Jesse; Bell, Katy J.L.Published 2019Heart age calculators are increasingly popular around the world as a way to promote and communicate cardiovascular disease (CVD) risk assessment to patients/consumers. While they have intuitive appeal, the implicit assumptions ...Presentation -
27 Are we overdiagnosing attention deficit hyperactivity disorder (ADHD)?
Kazda, Luise; Thomas, Rae; Bell, Katy J.L.; McGeechan, Kevin; Barratt, Alexandra LPublished 2019The objective of this study is to use a recently developed framework of questions to systematically determine if the existing literature indicates a potential for overdiagnosis and overtreatment in ADHD. We hypothesize ...Presentation -
48 Trends in stage-specific breast cancer incidence in new south wales, australia: insights from 25 years of screening mammography
Jacklyn, Gemma; McGeechan, Kevin; Irwig, Les; Houssami, Nehmat; Morrell, Stephen; Bell, Katy J.L.; Barratt, Alexandra LPublished 2018Screening mammography aims to improve breast cancer (BC) prognosis by increasing the incidence of early-stage tumours in order to decrease the incidence of late-stage cancer, but no reports have investigated these potential ...Conference paper -
5 Developing a scale to measure clinician knowledge, understanding, attitudes and practices around overdiagnosis
Stanaway, Fiona; Lam, Justin; Bell, Katy J.L.; Pickles, Kristen; McCaffery, Kirsten; Moynihan, Ray; Barratt, Alexandra LPublished 2019Measuring clinician knowledge, understanding and attitudes to overdiagnosis are key to understanding the drivers of overdiagnosis, developing strategies to reduce overdiagnosis, and assessing the effectiveness of interventions ...Presentation -
69 Impact of full-field digital mammography versus film-screen mammography: systematic review
Farber, Rachel; Bell, Katy J.L.; Houssami, Nehmat; McGeechan, Kevin; Wortley, Sally; Marinovich, Michael; Barratt, Alexandra LPublished 2018Most breast screening programs worldwide have replaced screen-film mammography (SFM) with full-field digital mammography (FFDM) in expectation of technical, clinical and economic advantages. However, we are only just now ...Presentation -
81 Has the transition to digital mammography in breast cancer screening resulted in real benefits?
Farber, Rachel; Barratt, Alexandra L; Houssami, Nehmat; McGeechan, Kevin; Bell, Katy J.L.Published 2019Most breast screening programmes worldwide have replaced Screen-Film mammography (SFM) with Full-field Digital Mammography (FFDM). While FFDM provides significant technical and practical advantages over SFM in the provision ...Presentation -
89 Incremental benefits and harms of the 2017 american college of cardiology/american heart association high blood pressure guideline
Bell, Katy J.L.; Doust, Jenny; Glasziou, PaulPublished 2018The recent recommendations from the American College of Cardiology and the American Heart Association (ACC/AHA) to lower the thresholds for defining hypertension follows a general pattern across medical specialties, whereby ...Conference paper -
96 Can we detect overdiagnosis early? exploring indicators of possible overdiagnosis outside cancer screening contexts
Bell, Katy J.L.; Doust, Jenny; Smith, Leon; Harris, Ian; Buchbinder, Rachelle; Cullen, Louise; Barratt, Alexandra LPublished 2018Although the risk of overdiagnosis in cancer screening was identified almost 50 years ago, evidence of cancer overdiagnosis was slow to emerge, and has required development of new approaches and study designs. As a result, ...Conference paper -
Active surveillance as a management option for cervical intraepithelial neoplasia 2: An online experimental study
Dodd, Rachael H; Cvejic, Erin; Bell, Katy J.L.; Black, Kirsten; Bateson, Deborah; Smith, Megan A; Mac, Olivia A; McCaffery, KirstenPublished 2021The objective of this study was to investigate framing of active surveillance as a management option for cervical intraepithelial neoplasia (CIN)2 in women of childbearing age. We conducted a between-subjects factorial ...Open AccessArticle -
Adenotonsillectomy and adenoidectomy in children: The impact of timing of surgery and post-operative outcomes
Schneuer, Francisco J; Bell, Katy J.L.; Dalton, Chris; Elshaug, Adam; Nassar, NatashaPublished 2022Aim To investigate the impact of adenotonsillectomy (ADT) and adenoidectomy (AD) on child health and evaluated their post-operative complications. Methods We included all children aged <16 years undergoing ADT ...Open AccessArticle -
Ambulatory blood pressure adds little to Framingham Risk Score for the primary prevention of cardiovascular disease in older men: secondary analysis of observational study data
Bell, Katy J.L.; Beller, E; Sundström, J; McGeechan, K; Hayen, A; Irwig, L; Neal, B; Glasziou, PPublished 2014-09-08Objective: To determine the incremental value of ambulatory blood pressure (BP) in predicting cardiovascular risk when the Framingham Risk Score (FRS) is known. Methods: We included 780 men without cardiovascular disease ...Open AccessArticle -
Analyses within risk strata overestimate gain in discrimination: the example of coronary artery calcium scores
Zhu, Lin; Bell, Katy J.L.; Scott, Anna Mae; Glasziou, PaulPublished 2022Risk prediction models are potentially useful tools for health practitioners and policy makers. When new predictors are proposed to add to existing models, the improvement of discrimination is one of the main measures to ...Open AccessReport, Research -
Assessing the efficacy of cancer screening
Jacklyn, Gemma; Bell, Katy J.L.; Hayen, AndrewPublished 2017© 2017 Jacklyn et al. Background: Population-based cancer screening has been established for several types of cancer in Australia and internationally. Screening may perform differently in practice from randomised controlled ...Open AccessArticle -
Assessing the Potential for Patient-led Surveillance After Treatment of Localized Melanoma (MEL-SELF) A Pilot Randomized Clinical Trial
Ackermann, Deonna M; Dieng, Mbatho; Medcalf, Ellie; Jenkins, Marisa C; van Kemenade, Cathelijne H; Janda, Monika; Turner, Robin M; Cust, Anne E; Morton, Rachael L; Irwig, Les; Guitera, Pascale; Soyer, Peter; Mar, Victoria; Hersch, Jolyn; Low, Donald; Low, Cynthia; Saw, Robyn P. M; Scolyer, Richard A; Drabarek, Dorothy; Espinoza, David; Azzi, Anthony; Lilleyman, Alister M; Smit, Amelia K; Murchie, Peter; Thompson, John F; Bell, Katy J.L.Published 2022Patient-led surveillance is a promising new model of follow-up care following excision of localized melanoma. Objective To determine whether patient-led surveillance in patients with prior localized primary cutaneous ...Open AccessArticle -
Assessment of changes to screening programmes: why randomisation is important
Bell, Katy J.L.; Bossuyt, Patrick; Glasziou, Paul; Irwig, LesPublished 2015Screening programmes sometimes need to be adapted as new technologies and treatments become available. Katy Bell and colleagues argue the best way to assess such changes is through randomised trials within the programmesArticle -
Association of Attention-Deficit/Hyperactivity Disorder Diagnosis With Adolescent Quality of Life
Kazda, Luise; McGeechan, Kevin; Bell, Katy J.L.; Thomas, Rae; Barratt, AlexandraPublished 2022Appropriate diagnosis of attention-deficit/hyperactivity disorder (ADHD) can improve some short-term outcomes in children and adolescents, but little is known about the association of a diagnosis with their quality of life ...Open AccessArticle -
Benefits and Harms of Hypertension and High-Normal Labels: A Randomized Experiment
Muscat, Danielle M; Morris, Georgina M; Bell, Katy J.L.; Cvejic, Erin; Smith, Jenna; Jansen, Jesse; Thomas, Rae; Bonner, Carissa; Doust, Jenny; McCaffery, KirstenPublished 2021Recent US guidelines lowered the threshold for diagnosing hypertension while other international guidelines use alternative/no labels for the same group (blood pressure [BP], <140/90 mm Hg). We investigated potential ...Open AccessArticle -
Beyond country‐specific incidence and mortality: the global burden of melanoma
Bell, Katy J.L.; Cust, Anne EPublished 2018Editorial piece. In the July 2017 issue of the BJD, Karimkhani and colleagues reported on the Global Burden of Disease (GBD) Study 2015 melanoma results. The GBD uses a standardized statistical framework to analyse both ...Article, Letter -
Blood Pressure: New Evidence New Targets
Bell, Katy J.L.; Albarqouni, Loai; Doust, JennyPublished 2019Raised blood pressure, along with smoking and raised cholesterol levels, is a key modifiable risk factor for cardiovascular (CV) disease in people with diabetes. “Hypertension” is in fact not a clinical disease in itself, ...Article
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