The top 100 cited articles on Obsessive Compulsive Disorder (OCD): A citation analysis

The top-100 cited articles on post-traumatic stress disorder: a historical bibliometric analysis

This is a bibliometric analysis of the most-cited articles on post-traumatic stress disorder (PTSD) with the objective of identifying citation patterns for researchers, journals, centers, periods, topics, and nations. A search was conducted in Thomson Reuters' WoS Core Collection employing the expression TI = (posttraumatic stress disorder OR post-traumatic stress disorder OR PTSD). The 100 most-cited articles were downloaded, and the relevant data were extracted and analyzed. These studies had a total of 69,649 citations, ranging from a minimum of 360 to a maximum of 6029 citations, with an average of 696.49, a standard deviation of 720.92, mode of 369, and a median of 512. Eighty-eight percent of the most-cited articles on PTSD originated from the USA, with just six cities accounting for 52% of the publications and the Boston area alone responsible for almost one-fifth of the total output. The universities of Yale and Harvard headed the ranking of institutions with larger numbers of highly-cited articles. Female researchers represented 42.3% of all authors, 51% of the first authors, and 48% of the corresponding authors. The proportion of M.D. authors decreased significantly between the 1980-1999 (42%) and the 2000-2019 (27.2%) periods while that of Ph.D. authors increased from 44% to 57.4%. The most studied population was military veterans (28%). Female victims of sexual or physical violence, traumatized children, and adult survivors of childhood abuse were assessed in only 6-7% of the most-cited publications. Ten clinical trials evaluated psychological interventions but only three investigated pharmacotherapy. We concluded that influential research on PTSD remains centralized in the USA. A balanced gender representation in publications was found. There was a heavy reliance on combat veterans as the study population. Few highly-cited studies on the pharmacotherapy for PTSD were identified. Focused efforts are needed to address these challenges.

The top 100 most-cited studies on monkeypox: a brief bibliometric analysis

Background

A plethora of monkeypox papers have been published; however, pinpointing key and pivotal studies can be challenging amongst the ever-expanding literature. Bibliometric analyses are helpful in identifying the most influential articles and their impact pertinent to this field, which has helped mould the recognition and management of monkeypox.

Methods

The Web of Science Core Collection (WoSCC) was searched on 27 October 2022. The top 100 most-cited articles on monkeypox were identified and evaluated by author, country, institution, type of articles, theme, journal of publication, keywords, and citations.

Results

The top 100 most-cited studies were published between 1997 and 2022, and the 5-year period with the largest number of articles was 2007-2011. The median number of citations among the top 100 most-cited articles was 78.23. Of the top 100 most-cited studies, 91 were original articles, and nine were reviews, the median of annual citations was significantly higher in the review group than the original group, 7.86 (4.20-13.80) versus 4.50 (3.07-7.59; P=0.023). The 100 articles were classified into different research theme, with the top three being Immunology (31%), Infectious Diseases (30%), and Virology (26%), respectively. The keywords with the highest co-occurrence frequency were "monkeypox", "smallpox," and "smallpox virus." The largest number of articles in the top 100 were published in Emerging Infectious Diseases (n=13), followed by Journal of Virology (n=11), Journal of Infectious Diseases (n=5), and PLoS One (n=5). The authors identified 711 different authors from 195 institutions and 28 countries in the top 100 most-cited articles, with the majority based in the USA.

Conclusion

The top 100 most-cited studies provide an important insight into the historical developments of monkeypox. The authors should strengthen the recognition and management of monkeypox worldwide and strengthen research cooperation among scholars in order to better respond to the ongoing or future outbreak.

The Top 100 Most Cited Publications on Suicide: A Citation Analysis

Suicide is one of the leading causes of death globally and a matter of public health concern. Biomedical research on suicide has grown exponentially over the past few decades. Although numerous articles are published on suicide, only some exert significant influence in the evolution of scientific understanding. The number of citations a publication receives are a proxy marker of its impact on the field. Hence we aimed to analyze 100 top-cited articles on suicide till May, 2023, using Google scholar as the search database. These citation classics provide important insights into the historical development and trends in suicide research.

A bibliometric analysis of publications on obsessive-compulsive disorder using VOSviewer

Background

Obsessive-compulsive disorder (OCD) is one of the top ten disabling diseases seriously affecting the health of population. Recently, studies on this disease significantly increased. However, only a few bibliometric analyses concerning this area have been reported. In this study, we used bibliometrics and visualization tools to examine the current state, hot topics and future trends in OCD research.

Methods

Scientific publications regarding OCD were retrieved from the Web of Science Core Collection (WoSCC) database. The features of OCD research were further analyzed using VOSviewer.

Results

A total of 24,552 publications and 65,296 authors in the field of OCD were retrieved from 2000 to 2022, showing an overall upward trend in publications over the past 22 years. One hundred and thirteen countries around the world had participated in the research. Among these countries, the developed countries such as the United States, England, and Canada were the crucial productive nations in this subject. As for institutions, the Harvard University, the University of London, and the University of California system were the leading institutions. Authors including Storch EA, Mataix-Cols D, and Stein DJ were the prolific authors. 1,949 journals are contributing to the OCD field, of which the top three are Biological Psychiatry (831 articles), European Neuropsychopharmacology (776 articles) and Psychiatric Research (648 articles). Research hotspots of OCD included pathogenesis, epidemiology, comorbidities, clinical features, and evaluation methods. COVID-19, mental health, functional connectivity, and genome-wide association were emerging trends in the field of OCD.

Conclusion

This study integrates the bibliometric information on the current research status and emerging trends in OCD from a macro perspective. The findings can provide valuable insights into further research on OCD.

The State of the Catatonia Literature: Employing Bibliometric Analysis of Articles From 1965-2020 to Identify Current Research Gaps

BACKGROUND

Since Kahlbaum's classic 19th-century description of catatonia, our conceptualization of this syndrome, as well treatment options for it, has advanced considerably. However, little is known about the current state of the catatonia literature since a comprehensive bibliometric analysis of it has not yet been undertaken.

OBJECTIVE

The purpose of this study was to conduct a bibliometric analysis, along with a content analysis of articles reporting new findings, to better understand the catatonia literature and how catatonia research is changing.

METHODS

Using the search term "Title(catatoni∗)" in Web of Science Core Collection for all available years (1965-2020), all available publications (articles, proceeding papers, reviews) pertaining directly to catatonia were identified, and metadata extracted. Semantic and coauthorship network analyses were conducted. A content analysis was also conducted on all available case reports, case series, and research articles written in English.

RESULTS

A total of 1015 articles were identified representing 2861 authors, 346 journals, and 15,639 references. The average number of publications per year over the last 20 years (31.3) more than doubled in comparison to that in the 20 years prior (12.8). The top 3 most common journals were Psychosomatics/Journal of the Academy of Consultation-Liaison Psychiatry, Journal of ECT, and Schizophrenia Research, which represented 12.6% of all publications. Content analysis revealed that catatonia articles are increasingly published in nonpsychiatric journals. There was a notable paucity of clinical trials throughout the study period. Since 2003, articles on catatonia secondary to a general medical condition, as well as articles including child/adolescent patients and patients with autism spectrum disorder or intellectual disability, have made up increasing shares of the literature, with a smaller proportion of articles reporting periodic or recurrent catatonia. We noted a decrease in the proportion of articles detailing animal/in vitro studies, genetic/heredity studies, and clinical trials, along with stagnation in the proportion of neuroimaging studies.

CONCLUSIONS

The catatonia literature is growing through contributions from authors and institutions across multiple countries. However, recent growth has largely been driven by increased case reports, with significant downturns observed in both clinical and basic science research articles. A dearth of clinical trials evaluating potential treatments remain a critical gap in the catatonia literature.

Advanced nanoparticles that can target therapy and reverse drug resistance may be the dawn of leukemia treatment: A bibliometrics study

With the development of nanomedicine, more and more nanoparticles are used in the diagnosis and treatment of leukemia. This study aimed to identify author, country, institutional, and journal collaborations and their impacts, assess the knowledge base, identify existing trends, and uncover emerging topics related to leukemia research. 1825 Articles and reviews were obtained from the WoSCC and analyzed by Citespace and Vosviewer. INTERNATIONAL JOURNAL OF NANOMEDICINE is the journal with the highest output. The contribution of FRONTIERS IN BIOENGINEERING AND BIOTECHNOLOGY is also noteworthy. The three main aspects of research in Nanoparticles-leukemia-related fields included nanoparticles for the diagnosis and treatment of leukemia, related to the type and treatment of leukemia, the specific molecular mechanism, and existing problems of the application of nanoparticles in leukemia. In the future, synthesize nano-drugs that have targeted therapy and chemotherapy resistance according to the mechanism, which may be the dawn of the solution to leukemia. This study offers a comprehensive overview of the Nanoparticles-leukemia-related field using bibliometrics and visual methods for the first time, providing a valuable reference for researchers interested in Nanoparticles-leukemia.

Using the forest plot to compare citation achievements in bibliographic and meta-analysis studies since 2011 using data on PubMed Central: A retrospective study

BACKGROUND

We saw a steady increase in the number of bibliographic studies published over the years. The reason for this rise is attributed to the better accessibility of bibliographic data and software packages that specialize in bibliographic analyses. Any difference in citation achievements between bibliographic and meta-analysis studies observed so far need to be verified. In this study, we aimed to identify the frequently observed MeSH terms in these 2 types of study and investigate whether the highlighted MeSH terms are strongly associated with one of the study types.

METHODS

By searching the PubMed Central database, 5121 articles relevant to bibliometric and meta-analysis studies were downloaded since 2011. Social network analysis was applied to highlight the major MeSH terms of quantitative and statistical methods in these 2 types of studies. MeSH terms were then individually tested for any differences in event counts over the years between study types using odds of 95% confidence intervals for comparison.

RESULTS

In these 2 studies, we found that the most productive countries were the United States (19.9%), followed by the United Kingdom (8.8%) and China (8.7%); the most number of articles were published in PLoS One (2.9%), Stat Med (2.5%), and Res Synth (2.4%); and the most frequently observed MeSH terms were statistics and numerical data in bibliographic studies and methods in meta-analysis. Differences were found when compared to the event counts and the citation achievements in these 2 study types.

CONCLUSION

The breakthrough was made by developing a dashboard using forest plots to display the difference in event counts. The visualization of the observed MeSH terms could be replicated for future academic pursuits and applications in other disciplines using the odds of 95% confidence intervals.

Global research on Obsessive Compulsive Disorder and related disorders: A scientometric assessment of global research during 2002-2021

OBJECTIVES

to examine the global publication output on Obsessive Compulsive Disorder (OCD) during the last 20 years using bibliometric methods.

METHODS

The quantitative and qualitative analysis of global publications was performed for all the publications in Scopus database by using "OCD, Obsessive Compulsive Disorder, other related disorders" as keyword in "Title" tag.

RESULTS

10,365 publications on OCD and related disorders were indexed in Scopus international database in the last 20 years and these publications were cited 241,962 times, averaging 23.34 citations per paper (CPP). About 24.91% share of global publication output received funding support and registered a CPP of 36.57. Among various countries, authors from USA, U.K., and Germany contributed the largest number of publications (3585, 965, and 836 publications), and publications arising from Netherlands (36.79 and 1.58), U.K. (32.65 and 1.40), and USA (32.43 and 1.39) registered the highest CPP and relative citation index (RCI). The organizations that produced the highest number of publications were Harvard Medical School, USA (487 papers), Massachusetts General Hospital, USA (454 papers), and King's College London, U.K. (297 papers). The authors who published highest number of papers were E.A. Storch (254 papers), D. Mataix-Cols (178 papers), and D.J. Stein (178 papers). The authors whose publications had highest CPP and RCI were B.D. Greenberg (USA) (73.76 and 3.16), and S.A. Rasmussen (USA) (63.36 and 2.71).

CONCLUSIONS

This study reveals that majority of the research on OCD and related disorders is from the developed countries and compared to disorders like schizophrenia, OCD has received less research attention.

Binge Drinking: The Top 100 Cited Papers

We conducted a review to analyze the 100 most-cited studies on binge drinking (BD) in the Web of Science (WoS) database to determine their current status and the aspects that require further attention. We carried out a retrospective bibliometric analysis in January 2021. The year of publication, authors, design, subject, journal, institution and lead author’s country, as well as the definition of BD, were extracted from the articles. The data on the country, year, thematic category of the journals and their rank were obtained from the Institute for Scientific Information (ISI) Journal Citation Reports 2020. The number of citations was collected from the WoS, and the h index was collected from the Scopus database. The citation density and Bradford’s law were calculated. The majority of the articles were empirical quantitative studies with a cross-sectional design published between 1992 and 2013 in 49 journals. There were 306 authors, mostly English-speaking and from the USA. The definitions used to describe BD are not homogeneous. The most-cited topics were the analysis of consequences, determinants and epidemiology. There is a need to unify the definitions of BD and base them on scientific evidence. The multidisciplinary nature of BD is not well reflected in each of the thematic areas discussed in this work.

The Jornal Brasileiro de Psiquiatria: A Bibliometric Survey of the one hundred most cited articles in the last 15 years

ABSTRACT Objective: Bibliometrics is a group of statistical and mathematical methods employed to measure and analyze the quantity and the quality of scientific articles, books, and other forms of publications. The objective of the present study was to conduct a bibliometric analysis of the Jornal Brasileiro de Psiquiatria (JBP) by listing its 100 most highly cited articles in the scientific literature and identifying their main characteristics in terms of authorship and research topics and design. Methods: The 100 top-cited references in the JBP were identified through a search with Google Scholar. The main author, last author, corresponding author, the total number of authors, gender of the authors, year of publication, research institution, geographic origin, language, and the research design and subject of each reference were recorded and analyzed. Results: A marked increase in the number of citations in the last 15 years, a relatively balanced distribution of publications among the Brazilian states and research centers, absence of gender bias among authors, and a varied range of published topics suggest a good current editorial performance by the JBP. Relative lack of systematic reviews and longitudinal studies, dearth of articles published in the English language, and modest participation of foreign authors were points requiring improvement. Conclusion: The present study suggests that a survey of the 100 most cited articles in the JBP can provide a historical overview of the progress of this journal, as well as highlight the main obstacles, constraints, and challenges faced by its editors and authors.

Predictors of family accommodation in obsessive compulsive disorder

Family accommodation (FA) has been consistently recognized as a predictor of treatment outcome in obsessive-compulsive disorder (OCD). However, the factors determining FA are not clearly understood, especially in adult patients with OCD. We recruited a consecutive sample of predominantly adult subjects (n=100), who presented to the specialty OCD Clinic with a primary diagnosis of OCD along with a suitable caregiver. Patient and family members completed measurements assessing FA along with other clinical variables of interest. Clinical variables found statistically significant in bivariate analyses (p < 0.05) were examined in multivariate linear regression analysis to determine the predictors of FA. Age, gender and marital status of the patient, contamination symptom dimension, severity of avoidance, severity scores on Yale-Brown Obsessive Compulsive Scale (Y-BOCS) and scores on work and social adjustment scale were associated with FA in bivariate analysis. In multiple regression analysis, contamination dimension, the severity of avoidance, relationship of caregiver and poorer work and social adjustment predicted FA. Patients with poor socio-occupational functioning, severe avoidance, caregiver being spouse and contamination related symptoms are accommodated more by family members. Screening and management of FA, particularly in patients with the contamination dimension may thus help improve treatment outcome.

The Past, Present and Future of Literature Pertaining to Betel (Areca) Nut: A Citation Analysis

Objective and method: Betel (areca) nut has recently received interest from researchers and policy makers for its role as a psychoactive substance. It was historically limited to Asia-pacific region, but with the advent of globalization, it has become an equally challenging public health problem across the globe. Previously published literature can give us valuable insights in terms of historical interest and understanding related to betel nut. With the expansion of biomedical research a huge number of articles have been published on the same. In terms of understanding the impact of an article, citations are considered a proxy estimate measure. Thus we decided to analyze the top 100 cited articles (till November 2018) related to betel nut. The search in Google scholar database was done with the help of freely available software, Publish or Perish. Results: Overall we found that most articles were published from the fields of dentistry and oncology, with relatively minimal contribution from the field of Addiction Psychiatry. Hence, most articles have addressed the issue of epidemiology and mechanism with lesser share of treatment related publications. Various important information related to these articles have been discussed including the institutions, countries, journals and impactful authors in the field. Subsequently, original research articles are further classified into descriptive/epidemiology, mechanism, management, scale/measurement, imaging and medical psychiatry. Importance: This citation analysis provides valuable information with regards to the emphasis of researchers in the field, and areas where more emphasis is required from contemporary world.

The Top 50 Most-Cited Articles in Orthostatic Tremor: A Bibliometric Review

Background

Article-level citation count is a hallmark indicating scientific impact. We aimed to pinpoint and evaluate the top 50 most-cited articles in orthostatic tremor (OT).

Methods

The ISI Web of Knowledge database and 2017 Journal Citation Report Science Edition were used to retrieve the 50 top-cited OT articles published from 1984 to April 2019. Information was collected by the Analyze Tool on the Web of Science, including number of citations, publication title, journal name, publication year, and country and institution of origin. Supplementary analyses were undertaken to clarify authorship, study design, level of evidence, and category.

Results

Up to 66% of manuscripts were recovered from five journals: Movement Disorders (n = 18), Brain (n = 4), Journal of Clinical Neurophysiology (n = 4), Neurology (n = 4), and Clinical Neurophysiology (n = 3). Articles were published between 1984 and 2018, with expert opinion as the predominant design (n = 22) and review as category (n = 17). Most articles had level 5 evidence (n = 26). According to their countries of origin, 34% of articles belonged to the United States (n = 17) leading the list, followed by United Kingdom (n = 15). University College London yielded the greater number of articles (n = 12), followed by the University of Kiel (n = 9). Most popular authors were G. Deuschl (n = 10), C.D. Marsden (n = 6), J. Jankovic (n = 5), P.D. Thompson (n = 5), J.C. Rothwell (n = 5), L.J. Findley (n = 4), and P. Brown (n = 4), who together accounted for 48% of them. All papers were in English.

Discussion

Publishing high-cited OT articles could be facilitated by source journal, study design, category, publication language, and country and institution of origin.