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Nishizawa T, Ishizuka K, Otsuka Y, Nakanishi T, Kawashima A, Miyagami T, Yamashita S. Writing Case Reports Can Improve Seven Components in Clinical Reasoning. Int Med Case Rep J 2024; 17:195-200. [PMID: 38533427 PMCID: PMC10963171 DOI: 10.2147/imcrj.s449310] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/15/2024] [Accepted: 03/17/2024] [Indexed: 03/28/2024] Open
Abstract
Case reports provide scientific knowledge and opportunities for new clinical research. However, it is estimated that less than 5% of cases presented by Japanese generalists at academic conferences are published due to various barriers such as the complex process of writing articles, conducting literature searches, the significant time required, the reluctance to write in English, and the challenge of selecting appropriate journals for publication. Therefore, the purpose of this opinion paper is to provide clinicians with practical tips for writing case reports that promote diagnostic excellence. In recent years, clinical practitioners have been striving for diagnostic excellence and optimal methods to accurately and comprehensively understand the patient's condition. To write a case report, it is essential to be mindful of the elements of diagnostic excellence and consider the quality of the diagnostic reasoning process. We (the authors) are seven academic generalists who are members of the Japanese Society of Hospital General Medicine (JSHGM) - Junior Doctors Association, with a median of 7 years after graduation and extensive experience publishing case reports in international peer-reviewed journals. We conducted a narrative review and discussed ways to write case reports to promote diagnostic excellence, leveraging our unique perspectives as academic generalists. Our review did not identify any reports addressing the critical points in writing case reports that embody diagnostic excellence. Therefore, this report proposes a methodology that describes the process involved in writing diagnostic excellence-promoting case reports and provides an overview of the lessons learned. Based on our review and discussion, we explain the essential points for promoting diagnostic excellence through case reports categorized into seven components of clinical reasoning. These strategies are useful in daily clinical practice and instrumental in promoting diagnostic excellence through case reports.
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Affiliation(s)
- Toshinori Nishizawa
- Department of General Internal Medicine, St Luke's International Hospital, Tokyo, Japan
- Department of Global Health Promotion, Tokyo Medical and Dental University, Tokyo, Japan
| | - Kosuke Ishizuka
- Department of General Medicine, Yokohama City University School of Medicine, Kanagawa, Japan
| | - Yuki Otsuka
- Department of General Medicine, Okayama University Graduate School of Medicine, Dentistry and Pharmaceutical Sciences, Okayama, Japan
| | - Toshiyuki Nakanishi
- Department of Emergency and General Medicine, Nerima Hikarigaoka Hospital, Tokyo, Japan
| | - Akira Kawashima
- Department of General Internal Medicine, National Center for Global Health and Medicine, Tokyo, Japan
| | - Taiju Miyagami
- Department of General Medicine, Faculty of Medicine, Juntendo University, Tokyo, Japan
| | - Shun Yamashita
- Department of General Medicine, Saga University Hospital, Saga, Japan
- Education and Research Center for Community Medicine, Faculty of Medicine, Saga University, Saga, Japan
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Methods to Improve Molecular Diagnosis in Genomic Cold Cases in Pediatric Neurology. Genes (Basel) 2022; 13:genes13020333. [PMID: 35205378 PMCID: PMC8871714 DOI: 10.3390/genes13020333] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/03/2022] [Revised: 02/06/2022] [Accepted: 02/07/2022] [Indexed: 02/04/2023] Open
Abstract
During the last decade, genetic testing has emerged as an important etiological diagnostic tool for Mendelian diseases, including pediatric neurological conditions. A genetic diagnosis has a considerable impact on disease management and treatment; however, many cases remain undiagnosed after applying standard diagnostic sequencing techniques. This review discusses various methods to improve the molecular diagnostic rates in these genomic cold cases. We discuss extended analysis methods to consider, non-Mendelian inheritance models, mosaicism, dual/multiple diagnoses, periodic re-analysis, artificial intelligence tools, and deep phenotyping, in addition to integrating various omics methods to improve variant prioritization. Last, novel genomic technologies, including long-read sequencing, artificial long-read sequencing, and optical genome mapping are discussed. In conclusion, a more comprehensive molecular analysis and a timely re-analysis of unsolved cases are imperative to improve diagnostic rates. In addition, our current understanding of the human genome is still limited due to restrictions in technologies. Novel technologies are now available that improve upon some of these limitations and can capture all human genomic variation more accurately. Last, we recommend a more routine implementation of high molecular weight DNA extraction methods that is coherent with the ability to use and/or optimally benefit from these novel genomic methods.
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Information Retrieval and Knowledge Organization: A Perspective from the Philosophy of Science. INFORMATION 2021. [DOI: 10.3390/info12030135] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022] Open
Abstract
Information retrieval (IR) is about making systems for finding documents or information. Knowledge organization (KO) is the field concerned with indexing, classification, and representing documents for IR, browsing, and related processes, whether performed by humans or computers. The field of IR is today dominated by search engines like Google. An important difference between KO and IR as research fields is that KO attempts to reflect knowledge as depicted by contemporary scholarship, in contrast to IR, which is based on, for example, “match” techniques, popularity measures or personalization principles. The classification of documents in KO mostly aims at reflecting the classification of knowledge in the sciences. Books about birds, for example, mostly reflect (or aim at reflecting) how birds are classified in ornithology. KO therefore requires access to the adequate subject knowledge; however, this is often characterized by disagreements. At the deepest layer, such disagreements are based on philosophical issues best characterized as “paradigms”. No IR technology and no system of knowledge organization can ever be neutral in relation to paradigmatic conflicts, and therefore such philosophical problems represent the basis for the study of IR and KO.
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Rao A, Joseph T, Saipradeep VG, Kotte S, Sivadasan N, Srinivasan R. PRIORI-T: A tool for rare disease gene prioritization using MEDLINE. PLoS One 2020; 15:e0231728. [PMID: 32315351 PMCID: PMC7173875 DOI: 10.1371/journal.pone.0231728] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/11/2019] [Accepted: 03/30/2020] [Indexed: 12/16/2022] Open
Abstract
Introduction Phenotype-driven rare disease gene prioritization relies on high quality curated resources containing disease, gene and phenotype annotations. However, the effectiveness of gene prioritization tools is constrained by the incomplete coverage of rare disease, phenotype and gene annotations in such curated resources. Methods We extracted rare disease correlation pairs involving diseases, phenotypes and genes from MEDLINE abstracts and used the information propagation algorithm GCAS to build an association network. We built a tool called PRIORI-T for rare disease gene prioritization that uses this network for phenotype-driven rare disease gene prioritization. The quality of disease-gene associations in PRIORI-T was compared with resources such as DisGeNET and Open Targets in the context of rare diseases. The gene prioritization performance of PRIORI-T was evaluated using phenotype descriptions of 230 real-world rare disease clinical cases collated from recent publications, as well as compared to other gene prioritization tools such as HANRD and Orphamizer. Results PRIORI-T contains qualitatively better associations than DisGeNET and Open Targets. Furthermore, the causal genes were captured within Top-50 for more than 40% of the real-world clinical cases and within Top-300 for more than 72% of the cases when PRIORI-T was used for gene prioritization. It outperformed other gene prioritization tools such as HANRD and Orphamizer that primarily rely on curated resources. Conclusions PRIORI-T exhibited improved gene prioritization performance without requiring high quality curated data. Thus, it holds great promise in phenotype-driven gene prioritization for rare disease studies.
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Affiliation(s)
- Aditya Rao
- TCS Research and Innovation, Tata Consultancy Services Ltd., Hyderabad, INDIA
- * E-mail:
| | - Thomas Joseph
- TCS Research and Innovation, Tata Consultancy Services Ltd., Hyderabad, INDIA
| | | | - Sujatha Kotte
- TCS Research and Innovation, Tata Consultancy Services Ltd., Hyderabad, INDIA
| | - Naveen Sivadasan
- TCS Research and Innovation, Tata Consultancy Services Ltd., Hyderabad, INDIA
| | - Rajgopal Srinivasan
- TCS Research and Innovation, Tata Consultancy Services Ltd., Hyderabad, INDIA
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Abstract
To establish a comprehensive diagnosis is by far the most challenging task in a physician's daily routine. Especially rare diseases place high demands on differential diagnosis, caused by the high number of around 8000 diseases and their clinical variability. No clinician can be aware of all the different entities and memorizing them all is impossible and inefficient. Specific diagnostic decision-supported systems provide better results than standard search engines in this context. The systems FindZebra, Phenomizer, Orphanet, and Isabel are presented here concisely with their advantages and limitations. An outlook is given to social media usage and big data technologies. Due to the high number of initial misdiagnoses and long periods of time until a confirmatory diagnosis is reached, these tools might be promising in practice to improve the diagnosis of rare diseases.
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Affiliation(s)
- T Müller
- Zentrum für unerkannte und seltene Erkrankungen (ZusE), Universitätsklinikum Gießen und Marburg (UKGM), Baldingerstr. 1, 35043, Marburg, Deutschland.
| | - A Jerrentrup
- Zentrum für unerkannte und seltene Erkrankungen (ZusE), Universitätsklinikum Gießen und Marburg (UKGM), Baldingerstr. 1, 35043, Marburg, Deutschland
| | - J R Schäfer
- Zentrum für unerkannte und seltene Erkrankungen (ZusE), Universitätsklinikum Gießen und Marburg (UKGM), Baldingerstr. 1, 35043, Marburg, Deutschland
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Hansen ND, Mølbak K, Cox IJ, Lioma C. Relationship Between Media Coverage and Measles-Mumps-Rubella (MMR) Vaccination Uptake in Denmark: Retrospective Study. JMIR Public Health Surveill 2019; 5:e9544. [PMID: 30672743 PMCID: PMC6364207 DOI: 10.2196/publichealth.9544] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/01/2017] [Revised: 08/12/2018] [Accepted: 09/24/2018] [Indexed: 11/13/2022] Open
Abstract
BACKGROUND Understanding the influence of media coverage upon vaccination activity is valuable when designing outreach campaigns to increase vaccination uptake. OBJECTIVE To study the relationship between media coverage and vaccination activity of the measles-mumps-rubella (MMR) vaccine in Denmark. METHODS We retrieved data on media coverage (1622 articles), vaccination activity (2 million individual registrations), and incidence of measles for the period 1997-2014. All 1622 news media articles were annotated as being provaccination, antivaccination, or neutral. Seasonal and serial dependencies were removed from the data, after which cross-correlations were analyzed to determine the relationship between the different signals. RESULTS Most (65%) of the anti-vaccination media coverage was observed in the period 1997-2004, immediately before and following the 1998 publication of the falsely claimed link between autism and the MMR vaccine. There was a statistically significant positive correlation between the first MMR vaccine (targeting children aged 15 months) and provaccination media coverage (r=.49, P=.004) in the period 1998-2004. In this period the first MMR vaccine and neutral media coverage also correlated (r=.45, P=.003). However, looking at the whole period, 1997-2014, we found no significant correlations between vaccination activity and media coverage. CONCLUSIONS Following the falsely claimed link between autism and the MMR vaccine, provaccination and neutral media coverage correlated with vaccination activity. This correlation was only observed during a period of controversy which indicates that the population is more susceptible to media influence when presented with diverging opinions. Additionally, our findings suggest that the influence of media is stronger on parents when they are deciding on the first vaccine of their children, than on the subsequent vaccine because correlations were only found for the first MMR vaccine.
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Affiliation(s)
| | | | - Ingemar Johansson Cox
- Department of Computer Science, University of Copenhagen, Copenhagen, Denmark.,Department of Computer Science, University College London, London, United Kingdom
| | - Christina Lioma
- Department of Computer Science, University of Copenhagen, Copenhagen, Denmark
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Dixit R, Rogith D, Narayana V, Salimi M, Gururaj A, Ohno-Machado L, Xu H, Johnson TR. User needs analysis and usability assessment of DataMed - a biomedical data discovery index. J Am Med Inform Assoc 2017; 25:337-344. [PMID: 29202203 PMCID: PMC7378884 DOI: 10.1093/jamia/ocx134] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/30/2017] [Revised: 10/16/2017] [Accepted: 10/27/2017] [Indexed: 02/06/2023] Open
Abstract
Objective To present user needs and usability evaluations of DataMed, a Data Discovery Index (DDI) that allows searching for biomedical data from multiple sources. Materials and Methods We conducted 2 phases of user studies. Phase 1 was a user needs analysis conducted before the development of DataMed, consisting of interviews with researchers. Phase 2 involved iterative usability evaluations of DataMed prototypes. We analyzed data qualitatively to document researchers’ information and user interface needs. Results Biomedical researchers’ information needs in data discovery are complex, multidimensional, and shaped by their context, domain knowledge, and technical experience. User needs analyses validate the need for a DDI, while usability evaluations of DataMed show that even though aggregating metadata into a common search engine and applying traditional information retrieval tools are promising first steps, there remain challenges for DataMed due to incomplete metadata and the complexity of data discovery. Discussion Biomedical data poses distinct problems for search when compared to websites or publications. Making data available is not enough to facilitate biomedical data discovery: new retrieval techniques and user interfaces are necessary for dataset exploration. Consistent, complete, and high-quality metadata are vital to enable this process. Conclusion While available data and researchers’ information needs are complex and heterogeneous, a successful DDI must meet those needs and fit into the processes of biomedical researchers. Research directions include formalizing researchers’ information needs, standardizing overviews of data to facilitate relevance judgments, implementing user interfaces for concept-based searching, and developing evaluation methods for open-ended discovery systems such as DDIs.
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Affiliation(s)
- Ram Dixit
- University of Texas Health Science Center at Houston, School of Biomedical Informatics, Houston, TX, USA
| | - Deevakar Rogith
- University of Texas Health Science Center at Houston, School of Biomedical Informatics, Houston, TX, USA
| | - Vidya Narayana
- University of Texas Health Science Center at Houston, School of Biomedical Informatics, Houston, TX, USA
| | - Mandana Salimi
- University of Texas Health Science Center at Houston, School of Biomedical Informatics, Houston, TX, USA
| | - Anupama Gururaj
- University of Texas Health Science Center at Houston, School of Biomedical Informatics, Houston, TX, USA
| | - Lucila Ohno-Machado
- University of California San Diego Health System, Department of Biomedical Informatics, La Jolla, CA, USA
| | - Hua Xu
- University of Texas Health Science Center at Houston, School of Biomedical Informatics, Houston, TX, USA
| | - Todd R Johnson
- University of Texas Health Science Center at Houston, School of Biomedical Informatics, Houston, TX, USA
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Svenstrup D, Jørgensen HL, Winther O. Rare disease diagnosis: A review of web search, social media and large-scale data-mining approaches. Rare Dis 2015; 3:e1083145. [PMID: 26442199 PMCID: PMC4590007 DOI: 10.1080/21675511.2015.1083145] [Citation(s) in RCA: 45] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/08/2015] [Revised: 07/14/2015] [Accepted: 08/07/2015] [Indexed: 10/26/2022] Open
Abstract
Physicians and the general public are increasingly using web-based tools to find answers to medical questions. The field of rare diseases is especially challenging and important as shown by the long delay and many mistakes associated with diagnoses. In this paper we review recent initiatives on the use of web search, social media and data mining in data repositories for medical diagnosis. We compare the retrieval accuracy on 56 rare disease cases with known diagnosis for the web search tools google.com, pubmed.gov, omim.org and our own search tool findzebra.com. We give a detailed description of IBM's Watson system and make a rough comparison between findzebra.com and Watson on subsets of the Doctor's dilemma dataset. The recall@10 and recall@20 (fraction of cases where the correct result appears in top 10 and top 20) for the 56 cases are found to be be 29%, 16%, 27% and 59% and 32%, 18%, 34% and 64%, respectively. Thus, FindZebra has a significantly (p < 0.01) higher recall than the other 3 search engines. When tested under the same conditions, Watson and FindZebra showed similar recall@10 accuracy. However, the tests were performed on different subsets of Doctors dilemma questions. Advances in technology and access to high quality data have opened new possibilities for aiding the diagnostic process. Specialized search engines, data mining tools and social media are some of the areas that hold promise.
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Affiliation(s)
| | - Henrik L Jørgensen
- Department of Clinical Biochemistry; Bispebjerg Hospital ; Copenhagen, Denmark
| | - Ole Winther
- DTU Compute; Technical University ; Lyngby, Denmark
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