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Public Knowledge and Attitudes Regarding the Use of Antibiotics and Resistance: Findings from a Cross-Sectional Study Among Palestinian Adults

Abu Taha A, Abu-Zaydeh AH, Ardah RA, Al-Jabi SW, Sweileh WM, Awang R, et al.

Zoonoses Public Health, 2016 09;63(6):449-57.
PMID: 26752329 DOI: 10.1111/zph.12249

Antibiotics are considered to be among the most commonly sold drug classes in Palestine. Resistance to antibiotics has increased for reasons relating to the use and misuse of antibiotics. The aim of this study was to evaluate the knowledge, and attitudes regarding antibiotic use and awareness about resistance among adults visiting the emergency departments at hospitals in North Palestine. A self-administered cross-sectional questionnaire survey involving participants aged 18 or over was conducted from June 2012 to February 2013. Adults who visited the emergency departments at hospitals in North Palestine were included. Demographic characteristics, knowledge and attitudes towards antibiotic use were included in the questionnaire. Poor and good knowledge were defined as a total knowledge score of 0-7 and 8-15 of 15 questions, respectively. Attitude scores of 0-3 and 4-7 of 7 questions were considered poor and good, respectively. A total of 375 questionnaires were included in the study. A response rate of 83.3% was attained. About 55.0% of the participants had a good knowledge and 56.5% had a good attitude towards rational antibiotic use. A significant positive correlation was shown between participants' knowledge scores and participants' attitude scores towards antibiotic use (R = 0.344, P = 0.001. Participants with a high family income were more likely to be aware of appropriate antibiotic use than participants with a low family income (P-value <0.001). Participants with a higher educational level (university) had a good attitude towards rational antibiotic use than those with a lower education level (P-value <0.001). This study has documented important knowledge and attitude gaps in antibiotic use. These findings will help health policymakers in Palestine to implement intervention programmes to rationalize antibiotic use. Continuing medical education, professional development and training workshops for healthcare professionals regarding rational use of antibiotics and health risks associated with the spread of antibiotic resistance are needed. In addition, minimizing non-prescription use of antibiotics and increasing the public awareness about the health and economic hazards of antibiotic resistance are also required.
Fulltext Unveiling the hidden world of gut health: Exploring cutting-edge research through visualizing randomized controlled trials on the gut microbiota

Zyoud SH, Shakhshir M, Abushanab AS, Koni A, Shahwan M, Jairoun AA, et al.

World J Clin Cases, 2023 Sep 16;11(26):6132-6146.
PMID: 37731574 DOI: 10.12998/wjcc.v11.i26.6132

BACKGROUND: The gut microbiota plays a crucial role in gastrointestinal and overall health. Randomized clinical trials (RCTs) play a crucial role in advancing our knowledge and evaluating the efficacy of therapeutic interventions targeting the gut microbiota.
AIM: To conduct a comprehensive bibliometric analysis of the literature on RCTs involving the gut microbiota.
METHODS: Using bibliometric tools, a descriptive cross-sectional investigation was conducted on scholarly publications concentrated on RCTs related to gut microbiota, spanning the years 2003 to 2022. The study used VOSviewer version 1.6.9 to examine collaboration networks between different countries and evaluate the frequently employed terms in the titles and abstracts of the retrieved publications. The primary objective of this analysis was to identify key research areas and focal points associated with RCTs involving the gut microbiota.
RESULTS: A total of 1061 relevant articles were identified from the 24758 research articles published between 2003 and 2022. The number of publications showed a notable increase over time, with a positive correlation (R2 = 0.978, P < 0.001). China (n = 276, 26.01%), the United States (n = 254, 23.94%), and the United Kingdom (n = 97, 9.14%) were the leading contributing countries. Københavns Universitet (n = 38, 3.58%) and Dankook University (n = 35, 3.30%) were the top active institutions. The co-occurrence analysis shows current gut microbiota research trends and important topics, such as obesity interventions targeting the gut microbiota, the efficacy and safety of fecal microbiota transplantation, and the effects of dietary interventions on humans.
CONCLUSION: The study highlights the rapid growth and importance of research on RCTs that involve the gut microbiota. This study provides valuable insight into research trends, identifies key players, and outlines potential future directions in this field. Additionally, the co-occurrence analysis identified important topics that play a critical role in the advancement of science and provided insights into future research directions in this field.
The 100 most influential publications in paracetamol poisoning treatment: a bibliometric analysis of human studies

Zyoud SH, Waring WS, Al-Jabi SW, Sweileh WM, Awang R

Springerplus, 2016;5(1):1534.
PMID: 27652107 DOI: 10.1186/s40064-016-3240-z

BACKGROUND: Analysis of the most influential publications within paracetamol poisoning treatment can be helpful in recognizing main and novel treatment issues within the field of toxicology. The current study was performed to recognize and describe the most highly cited articles related to paracetamol poisoning treatment.
METHODS: The 100 most highly cited articles in paracetamol poisoning treatment were identified from the Scopus database in November 2015. All eligible articles were read for basic information, including total number of citations, average citations per year, authors' names, journal name, impact factors, document types and countries of authors of publications.
RESULTS: The median number of citations was 75 (interquartile range 56-137). These publications were published between 1974 and 2013. The average number of years since publication was 17.6 years, and 45 of the publications were from the 2000s. A significant, modest positive correlation was found between years since publication and the number of citations among the top 100 cited articles (r = 0.316; p = 0.001). A total of 55 journals published these 100 most cited articles. Nine documents were published in Clinical Toxicology, whereas eight documents were published in Annals of Emergency Medicine. Citations per year since publication for the top 100 most-cited articles ranged from 1.5 to 42.6 and had a mean of 8.5 citations per year and a median of 5.9 with an interquartile range of 3.75-10.35. In relation to the origin of the research publications, they were from 8 countries. The USA had the largest number of articles, 47, followed by the UK and Australia with 38 and nine articles respectively.
CONCLUSIONS: This study is the first bibliometric assessment of the top 100 cited articles in toxicology literature. Interest in paracetamol poisoning as a serious clinical problem continues to grow. Research published in high-impact journals and from high income countries is most likely to be cited in published paracetamol research.
KEYWORDS:Acetaminophen; Bibliometric; Citations; N-acetylcysteine; Paracetamol; Poisoning; Scopus
Fulltext Global methaemoglobinaemia research output (1940-2013): a bibliometric analysis

Zyoud SH, Al-Jabi SW, Sweileh WM, Al-Khalil S, Alqub M, Awang R

Springerplus, 2015;4:626.
PMID: 26543761 DOI: 10.1186/s40064-015-1431-7

Bibliometric studies, which involve the use of statistical methods, are increasingly being used for research assessment. A bibliometric analysis was conducted to evaluate the publication pattern of methaemoglobinaemia research output at the global level based on the Scopus database. We analysed selected documents with "methemoglobinemia", or "methaemoglobinaemia" as a part of the title and reported the following parameters: trends of publication output, country of publication, journal pattern, collaborative measures, citations pattern, and institute productivity. A total of 1770 articles were published worldwide. The time trend for the number of articles showed an increase after 2000. The highest number of articles related to methaemoglobinaemia was from the USA (24.8 %), followed distantly by the UK (4.5 %), India (3.7 %), and France (3.7 %). No data related to methaemoglobinaemia were published from 152 countries. The total number of citations at the date of data collection was 10,080, with an average of 5.7 citations per document. The USA and UK had the highest h-index of 31 and 14, respectively, and six countries had an h-index of 9-14. It is notable that Canada was ranked eighth in the number of publications but fourth in h-index and India was ranked third in the number of publications but eighth in h-index. Furthermore, Canada produced the most internationally collaborated papers out of the total number of publications for each country (16.1 %), followed by the UK (13.9 %). This bibliometric analysis provides data contributing to a better understanding of the methaemoglobinaemia research field. The number of publications on methaemoglobinaemia increased significantly after 2000. The USA was the most productive country as measured by total publications. The USA and UK achieved the highest h-index in the field of methaemoglobinaemia research, signifying a higher quality of research than other countries.
Fulltext Assessing the scientific research productivity of a leading toxicology journal: A case study of Human & Experimental Toxicology from 2003 to 2012

Zyoud SH, Al-Jabi SW, Sweileh WM, Awang R

SAGE Open Med, 2014;2:2050312114523424.
PMID: 26770709 DOI: 10.1177/2050312114523424

BACKGROUND: Bibliometric studies are increasingly being used for research assessments. Bibliometric indicators involve the application of statistical methods to scientific publications to obtain the bibliographics for each journal. The main objective of this study was to conduct a bibliometric evaluation of Human & Experimental Toxicology retrieved from the Scopus database.
METHODS: This study obtained data from Scopus published from 1 January 2003 till 31 December 2012. The keywords entered in Scopus to accomplish the objective of this study were 'Human', 'Experimental' and 'Toxicology' as 'Source Title'. Research productivity was evaluated based on a methodology developed and used in other bibliometric studies by analysing (a) total and trends in Human & Experimental Toxicology contributions in research between 2003 and 2012; (b) Human & Experimental Toxicology authorship patterns and productivity; (c) collaboration patterns; and (d) the citations received by the publications.
RESULTS: There were 1229 research articles published in Human & Experimental Toxicology. Of the articles included, 947 (77.1%) were original articles and 104 (8.5%) were review articles. The Hirsch-index of the retrieved documents was 35. The largest number of publications in Human & Experimental Toxicology was from the United States (19.6%), followed by India (12.8%) and Turkey (10.9%). The total number of citations was 9119, with a median (interquartile range) of 3 (1-9) in 6797 documents. The highest median (interquartile range) number of citations was 8 (2.7-12.7) for France, followed by 7.5 (2-22.5) for Iran and 6 (3-13.5) for the United Kingdom. The country most often citing articles that were published in Human & Experimental Toxicology was the United States, which made citations in 1508 documents, followed by India with citations in 792 documents.
CONCLUSION: The documents in Human & Experimental Toxicology focus principally on original data, with very few review articles. Review articles tend to have higher citation rates than original articles, and hence, the editors and authors of Human & Experimental Toxicology might usefully promote the submission of reviews in the future to improve the impact of the journal.
KEYWORDS: Bibliometric; Scopus; citations; human and experimental toxicology
Impact of serum acetaminophen concentration on changes in serum potassium, creatinine and urea concentrations among patients with acetaminophen overdose

Zyoud SH, Awang R, Sulaiman SA, Al-Jabi SW

Pharmacoepidemiol Drug Saf, 2011 Feb;20(2):203-8.
PMID: 21254292 DOI: 10.1002/pds.2060

Acetaminophen overdose may be accompanied by electrolyte disturbances. The basis for electrolyte change appears to be due to increased fractional urinary electrolyte excretion.
Effects of delay in infusion of N-acetylcysteine on appearance of adverse drug reactions after acetaminophen overdose: a retrospective study

Zyoud SH, Awang R, Sulaiman SA, Al-Jabi SW

Pharmacoepidemiol Drug Saf, 2010 Oct;19(10):1064-70.
PMID: 20712021 DOI: 10.1002/pds.1955

To investigate the relationship between different types of adverse drug reaction (ADR) and late time to N-acetylcysteine (NAC) infusion in patients presenting to the hospital with acetaminophen overdose.
Association between gastrointestinal manifestations following acetaminophen poisoning and outcome in 291 acetaminophen poisoning patients

Zyoud SH, Awang R, Sulaiman SA, Al-Jabi SW

Pharmacoepidemiol Drug Saf, 2010 May;19(5):511-7.
PMID: 20333776 DOI: 10.1002/pds.1940

Acetaminophen poisoning is a common clinical problem, and early identification of patients with more severe poisoning is key to improving outcomes.
Fulltext Bibliometric profile of the global scientific research on methanol poisoning (1902-2012)

Zyoud SH, Al-Jabi SW, Sweileh WM, Awang R, Waring WS

J Occup Med Toxicol, 2015;10:17.
PMID: 25949270 DOI: 10.1186/s12995-015-0062-9

BACKGROUND: Methanol poisoning is on the rise and has been associated with high morbidity and mortality; it has resulted in growing research in the field of toxicology. The aim of this study was to reveal underlying patterns in scientific outputs related to methanol poisoning at the global level by evaluating different bibliometric indices.
METHODS: We searched for publications that contained specific words regarding methanol poisoning in Scopus database.
RESULTS: A total of 912 articles, with 8,317 citations and with an average of 9.1 citations per document, were retrieved on methanol poisoning, and the bulk of the articles were published from the USA (20.9%), followed by Spain (4.4%), Canada (4.3%), India (3.1%), and France (3.0%). The articles were published belonging to 57 countries. No data related to methanol poisoning were published from 155 (73.1%) out of 212 countries. Twenty-one documents (2.3%) were published in Clinical Toxicology, whereas 18 (2.0%) were published in The Lancet.
CONCLUSIONS: Scientific production related to methanol poisoning is increasing. articles have been published in a wide range of journals with a variety of subject areas, most notably clinical toxicology; and the country with the greatest production was the USA.
Fulltext The Arab world's contribution to solid waste literature: a bibliometric analysis

Zyoud SH, Al-Jabi SW, Sweileh WM, Al-Khalil S, Zyoud SH, Sawalha AF, et al.

J Occup Med Toxicol, 2015;10:35.
PMID: 26388930 DOI: 10.1186/s12995-015-0078-1

BACKGROUND: Environmental and health-related effects of solid waste material are considered worldwide problems. The aim of this study was to assess the volume and impact of Arab scientific output published in journals indexed in the Science Citation Index (SCI) on solid waste.
METHODS: We included all the documents within the SCI whose topic was solid waste from all previous years up to 31 December 2012. In this bibliometric analysis we sought to evaluate research that originated from Arab countries in the field of solid waste, as well as its relative growth rate, collaborative measures, productivity at the institutional level, and the most prolific journals.
RESULTS: A total of 382 (2.35 % of the overall global research output in the field of solid waste) documents were retrieved from the Arab countries. The annual number of documents published in the past three decades (1982-2012) indicated that research productivity demonstrated a noticeable rise during the last decade. The highest number of articles associated with solid waste was that of Egypt (22.8 %), followed by Tunisia (19.6), and Jordan (13.4 %). the total number of citations over the analysed years at the date of data collection was 4,097, with an average of 10.7 citations per document. The h-index of the citing articles was 31. Environmental science was the most researched topic, represented by 175 (45.8 %) articles. Waste Management was the top active journal. The study recognized 139 (36.4 %) documents from collaborations with 25 non-Arab countries. Arab authors mainly collaborated with countries in Europe (22.5 %), especially France, followed by countries in the Americas (9.4 %), especially the USA. The most productive institution was the American University of Beirut, Lebanon, with 6.3 % of total publications.
CONCLUSIONS: Despite the expected increase in solid waste production from Arab world, research activity about solid waste is still low. Governments must invest more in solid waste research to avoid future unexpected problems. Finally, since solid waste is a multidisciplinary science, research teams in engineering, health, toxicology, environment, geology and others must be formulated to produce research in solid waste from different scientific aspects.
KEYWORDS: Arab world; Bibliometric; SCI; Solid waste
Fulltext Relationship of treatment satisfaction to health-related quality of life among Palestinian patients with type 2 diabetes mellitus: Findings from a cross-sectional study

Zyoud SH, Al-Jabi SW, Sweileh WM, Arandi DA, Dabeek SA, Esawi HH, et al.

J Clin Transl Endocrinol, 2015 Jun;2(2):66-71.
PMID: 29159112 DOI: 10.1016/j.jcte.2015.03.002

Objectives: The aims of the current study were to assess the association between health-related quality of life (HRQoL) and treatment satisfaction in a sample of diabetic patients from Palestine, and to determine the influence of socio-demographic and clinical factors on HRQoL.
Methods: It was a cross-sectional study performed during the period June 2013 to October 2013. The Arabic version of Treatment Satisfaction Questionnaire for Medication (TSQM 1.4) was used to assess treatment satisfaction, and the Arabic version of European Quality of Life scale (EQ-5D-5L) was used to assess HRQoL. Multiple linear regression was used to estimate which variables were the most important related to HRQoL.
Results: A total of 385 diabetic patients were included. There were modest positive correlations between the total score on the Overall Satisfaction domain and EQ-5D-5L (r = 0.14; p = 0.005). After adjusting multiple covariates by multiple linear regression, the association between the Overall Satisfaction and HRQoL was not statistically significant (p = 0.075); (R = 0.495; adjusted R(2) = 0.245; F = 10.3; df = 12; p
Impact of angiotensin-converting enzyme inhibitors administration prior to acute ischemic stroke onset on in-hospital mortality

Hassan Y, Aziz NA, Al-Jabi SW, Looi I, Zyoud SH

J Cardiovasc Pharmacol Ther, 2010 Sep;15(3):274-81.
PMID: 20624923 DOI: 10.1177/1074248410373751

Angiotensin-converting enzyme inhibitors (ACEIs) have shown promising results in decreasing the incidence and the severity of ischemic stroke in populations at risk and in improving ischemic stroke outcomes.
Evaluation of antihypertensive therapy among ischemic stroke survivors: impact of ischemic heart disease

Hassan Y, Aziz NA, Al-Jabi SW, Looi I, Zyoud SH

J Cardiovasc Pharmacol Ther, 2010 Sep;15(3):282-8.
PMID: 20472813 DOI: 10.1177/1074248410368049

BACKGROUND: Hypertension and ischemic heart disease (IHD) are among the most prevalent modifiable risk factors for stroke. Clinical trial evidence suggests that antihypertensive medications are recommended for prevention of recurrent ischemic stroke in hypertensive and normotensive patients.
OBJECTIVES: The objectives of this study were to analyze and evaluate the utilization of antihypertensive medication for acute ischemic stroke (AIS) or transient ischemic attack (TIA) survivors in relation to recent recommendations and guidelines and to compare their use among patients with or without IHD.
METHODS: This was a retrospective cohort study of all patients with AIS/TIA attending the hospital from July 1, 2008 to December 31, 2008. Demographic data, clinical characteristics, different classes of antihypertensive medications, and different antihypertensive combinations prescribed to AIS/TIA survivors were analyzed among patients with and without IHD. Statistical Package for Social Sciences (SPSS) program version 15 was used for data analysis.
RESULTS: In all, 383 AIS/TIA survivors were studied, of which 66 (19.5%) had a documented history of IHD. Three quarters (n = 260; 76.9%) of AIS or TIA survivors received antihypertensive medication, mostly as monotherapy, at discharge. The majority of patients (n = 201, 59.5%) were prescribed angiotensin-converting enzyme inhibitors (ACEIs). Patients with IHD were significantly prescribed more β-blockers than patients without IHD (P = .003). A history of hypertension, a history of diabetes mellitus, and age were significantly associated with prescription of antihypertensive medications at discharge (P < .001, P < .001, and P < .001, respectively).
CONCLUSION: Patterns of antihypertensive therapy were commonly but not adequately consistent with international guidelines. Screening stroke survivors for blood pressure control, initiating appropriate antihypertensive medications, and decreasing the number of untreated patients might help reduce the risk of recurrent strokes and increase survival.
Fulltext Global trends in research related to social media in psychology: mapping and bibliometric analysis

Zyoud SH, Sweileh WM, Awang R, Al-Jabi SW

Int J Ment Health Syst, 2018;12:4.
PMID: 29387147 DOI: 10.1186/s13033-018-0182-6

Background: Social media, defined as interactive Web applications, have been on the rise globally, particularly among adults. The objective of this study was to investigate the trend of the literature related to the most used social network worldwide (i.e. Facebook, Twitter, LinkedIn, Snapchat, and Instagram) in the field of psychology. Specifically, this study will assess the growth in publications, citation analysis, international collaboration, author productivity, emerging topics and the mapping of frequent terms in publications pertaining to social media in the field of psychology.

Methods: Publications related to social media in the field of psychology published between 2004 and 2014 were obtained from the Web of Science. The records extracted were analysed for bibliometric characteristics such as the growth in publications, citation analysis, international collaboration, emerging topics and the mapping of frequent terms in publications pertaining to social media in the field of psychology. VOSviewer v.1.6.5 was used to construct scientific maps.

Results: Overall, 959 publications were retrieved during the period between 2004 and 2015. The number of research publications in social media in the field of psychology showed a steady upward growth. Publications from the USA accounted for 57.14% of the total publications and the highest h-index (48).The most common document type was research articles (873; 91.03%). Over 99.06% of the publications were published in English. Computers in Human Behavior was the most prolific journal. The University of Wisconsin-Madison ranked first in terms of the total publications (n = 39). A visualisation analysis showed that personality psychology, experimental psychology, psychological risk factors, and developmental psychology were continual concerns of the research.

Conclusions: This is the first study reporting the global trends in the research related to social media in the psychology field. Based on the raw data from the Web of Science, publication characteristics such as quality and quantity were assessed using bibliometric techniques over 12 years. The USA and its institutions play a dominant role in this topic. The most preferred topics related to social media in psychology are personality psychology, experimental psychology, psychological risk factors, and developmental psychology.
Antiplatelet therapy in diabetic ischemic stroke patients: associated factors and outcomes

Hassan Y, Al-Jabi SW, Aziz NA, Looi I, Zyoud SH

Int J Clin Pharmacol Ther, 2011 Oct;49(10):605-13.
PMID: 21961485 DOI: 10.5414/cp201574

BACKGROUND: Patients with diabetes mellitus (DM) are more prone to develop atherosclerotic complications including stroke. Moreover, as a primary and secondary prevention of stroke, antiplatelet therapy is recommended by clinical guidelines for patients with DM.

AIMS: This study aimed to determine the prevalence of antiplatelet therapy use prior to current stroke in diabetic ischemic stroke patients, to examine the factors associated with the use of this important therapy and to assess the impact of the previous use of antiplatelet therapy on ischemic stroke outcomes.

METHODS: An observational study of diabetic acute ischemic stroke patients attending a Malaysian hospital during a 1-year period was carried out. Demographic information, risk factors, previous antiplatelet use and variables used to assess stroke outcomes were collected from medical records.

RESULTS: Overall, 295 diabetic stroke patients were analyzed. The prevalence of previous antiplatelet use among diabetic patients was 38.3%. The independent variables associated with the previous use of antiplatelet medication were previous stroke attack (p < 0.001) and ischemic heart disease (p < 0.001). Better outcomes as measured by a minor Glasgow Coma Scale at admission (p = 0.032), and a higher Modified Barthel index at discharge (p = 0.027) were observed among patients on previous antiplatelet therapy.

CONCLUSION: Our data suggest that antiplatelet therapy is under prescribed among such diabetic stroke patients, particularly in primary prevention. Effective methods to increase antiplatelet use and to enhance the adherence of clinical practice guidelines should be considered at the national and community level.
Health-related quality of life associated with treatment adherence in patients with hypertension: a cross-sectional study

Zyoud SH, Al-Jabi SW, Sweileh WM, Wildali AH, Saleem HM, Aysa HA, et al.

Int J Cardiol, 2013 Oct 3;168(3):2981-3.
PMID: 23647601 DOI: 10.1016/j.ijcard.2013.04.105
A cross-sectional observation of the factors associated with deliberate self-poisoning with acetaminophen: impact of gender differences and psychiatric intervention

Zyoud SH, Awang R, Sulaiman SA, Al-Jabi SW

Hum Psychopharmacol, 2010 Aug;25(6):500-8.
PMID: 20737523 DOI: 10.1002/hup.1140

The objectives of this study were to determine the risk factors and life stressors that are prevalent among the acetaminophen deliberate self-poisoning (DSP) cases, to identify gender differences in the associated factors, and to determine the prevalence of psychiatric diagnosis and the patterns and types of psychotherapeutic interventions provided by psychiatrists.
Scientific research related to calcium channel blockers poisoning: Bibliometric analysis in Scopus, 1968-2012

Zyoud SH, Al-Jabi SW, Sweileh WM, Waring WS

Hum Exp Toxicol, 2015 Nov;34(11):1162-70.
PMID: 25673180 DOI: 10.1177/0960327115571768

PURPOSE: Calcium channel blockers (CCBs) were the most common agents associated with a significant morbidity and mortality rate. The main objective of this study was to examine the publication pattern related to CCBs poisoning at the global level using bibliometric analysis of articles published in SciVerse Scopus online database.
METHODS: Data were searched for documents that contained specific words regarding CCB poisoning as keywords in the title. No time period limitations were specified in the search regarding the starting year. The ending date of the search was 31 December 2012.
RESULTS: The criteria were met by 713 publications from 53 countries. The largest number of articles associated with CCBs was from the United States (30%), followed by the United Kingdom (7.4%), Japan (6%), and Germany (5.6%). No data related to CCBs were published from 159 (75%) of 212 countries registered in World Bank online database. There was no correlation between the number of published articles in the country and its population size (r = 0.03, p > 0.926). United Kingdom and Australia were the leading countries in terms of number of CCBs publications per million inhabitants (0.83 and 0.82 articles per million inhabitants, respectively), followed by the United States (0.68). Countries with a large population, such as India, tended to rank relatively low (0.01 articles per million inhabitants). The total number of citations at the time of data analysis (23 October 2014) was 6462, with an average of 9.1 citations per document. The highest median (interquartile range) number of citations was 8 (8-18) for the United States, followed by 6 (1-21) for Australia, 5 (1-15) for the United Kingdom, and 5 (1-24) for Canada. The h-index of the retrieved documents was 37.
CONCLUSIONS: Scientific production on CCBs poisoning is increasing; nonetheless, the international collaboration is still rare. The amount of CCBs-based research activity was low or not available in most countries. More regional epidemiological studies are required to bridge the gap in CCBs-based research and to promote better evaluation of CCBs poisoning worldwide.
KEYWORDS: Bibliometric; Scopus; calcium channel blockers; citations; drug overdose; poisoning; toxicity
Worldwide research productivity of paracetamol (acetaminophen) poisoning: a bibliometric analysis (2003-2012)

Zyoud SH, Al-Jabi SW, Sweileh WM

Hum Exp Toxicol, 2015 Jan;34(1):12-23.
PMID: 24758786 DOI: 10.1177/0960327114531993

PURPOSE: There is a lack of data concerning the evaluation of scientific research productivity in paracetamol poisoning from the world. The purposes of this study were to analyse the worldwide research output related to paracetamol poisoning and to examine the authorship pattern and the citations retrieved from the Scopus database for over a decade.
METHODS: Data were searched for documents with specific words regarding paracetamol poisoning as 'keywords' in the title or/and abstract. Scientific output was evaluated based on a methodology developed and used in other bibliometric studies. Research productivity was adjusted to the national population and nominal gross domestic product (GDP) per capita.
RESULTS: There were 1721 publications that met the criteria during study period from the world. All retrieved documents were published from 72 countries. The largest number of articles related to paracetamol poisoning was from the United States (US; 30.39%), followed by India (10.75%) and the United Kingdom (UK; 9.36%). The total number of citations at the time of data analysis was 21,109, with an average of 12.3 citations per each documents and median (interquartile range) of 4 (1-14). The h-index of the retrieved documents was 57. After adjusting for economy and population power, India (124.2), Nigeria (18.6) and the US (10.5) had the highest research productivity. Countries with large economies, such as the UK, Australia, Japan, China and France, tended to rank relatively low after adjustment for GDP over the entire study period.
CONCLUSION: Our study demonstrates evidence that research productivity related to paracetamol poisoning has increased rapidly during the recent years. The US obviously dominated in research productivity. However, certain smaller country such as Nigeria has high scientific output relative to their population size and GDP. A highly noticeable increase in the contributions of Asia-Pacific and Middle East regions to scientific literature related to paracetamol poisoning was also observed.
KEYWORDS: Bibliometric; Scopus; acetaminophen; citations; paracetamol; poisoning
Fulltext A bibliometric analysis of research productivity of Malaysian publications in leading toxicology journals during a 10-year period (2003-2012)

Zyoud Sh, Al-Jabi S, Sweileh W, Awang R

Hum Exp Toxicol, 2014 Dec;33(12):1284-93.
PMID: 24505047 DOI: 10.1177/0960327113514101

Toxicology in Malaysia has experienced rapid development and made great progress in education and research in conjunction with economic development in Malaysia over the past two decades.

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