Bibliometric Analysis of Hydatid Cyst and Hydatid Cyst Surgery Literature Between 1975 and 2017

AUTHORS

Ümran Muslu ORCID 1 , * , Engin Şenel 2 , 3

1 Department of Plastic and Reconstructive Surgery, Hitit University Faculty of Medicine, Çorum, Turkey

2 Department of Dermatology, Hitit University Faculty of Medicine, Çorum, Turkey

3 Beekeeping and Bee Products Research and Application Center, Hitit University, Çorum, Turkey

How to Cite: Muslu Ü, Şenel E. Bibliometric Analysis of Hydatid Cyst and Hydatid Cyst Surgery Literature Between 1975 and 2017, Jentashapir J Cell Mol Biol. 2019 ; 10(2):e90859. doi: 10.5812/jjhr.90859.

ARTICLE INFORMATION

Jentashapir Journal of Health Research: 10 (2); e90859
Published Online: July 22, 2019
Article Type: Review Article
Received: February 19, 2019
Accepted: June 23, 2019
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Abstract

Context: Hydatid disease is a zoonotic infection caused by several species of Echinococcus. Although medical literature had numerous articles related to hydatid disease and hydatid cyst surgery, no bibliometric analysis has been reported.

Evidence Acquisition: We aimed to perform a detailed bibliometric evaluation of hydatid disease and hydatid cyst surgery literature in our study. We extracted our data from four databases titled Web of Science Core Collection, Korean Journal Database, Russian Science Citation Index, and SciELO Citation Index. All documents published between 1975 and 2017 were included.

Results: A total of 6928 articles were found related to hydatid disease. Turkey was found to be the most productive country with 1459 items (21%) followed by India, the UK, Spain, and the USA (561, 493, 392, and 391 papers, respectively). Tunis El Manar University in Tunisia was found to be the most productive institution with 122 papers. A total of 3410 documents were detected as we performed a search in the literature of hydatid cyst surgery. Turkey produced 26.16% of all literature with 892 items followed by India, France, and Spain (248, 219, and 187 articles, respectively). World Journal of Surgery ranked first with the publication number in this field with 66 articles.

Conclusions: Researches from the regions and countries having a high prevalence of hydatid disease should be encouraged and funded to carry out novel studies. Physicians from the countries with a high publication number in this field should produce more citable articles.

Keywords

Hydatid Disease Hydatid Cyst Surgery Bibliometrics Scientometrics Analysis

Copyright © 2019, Jentashapir Journal of Health Research. This is an open-access article distributed under the terms of the Creative Commons Attribution-NonCommercial 4.0 International License (http://creativecommons.org/licenses/by-nc/4.0/) which permits copy and redistribute the material just in noncommercial usages, provided the original work is properly cited.

1. Context

Echinococcus infections are the most common parasitic disease affecting the liver. Hydatid disease course is typically slow, and patients may remain asymptomatic for many years. Diagnosis of the hydatid cyst is usually incidental (1). Although the prevalence of the hydatid disease has fallen in several decades, recent data suggest that Echinococcus multilocularis is expanding its geographical range in the northern hemisphere and the infection with Echinococcus granulosus remains a major health problem in certain regions and countries in the world (2, 3). Since the medical literature lacks a bibliometric study evaluating the articles published in hydatid disease and hydatid cyst surgery, in this study, we aimed to assess the documents published in this field.

2. Evidence Acquisition

The databases we used for the evaluation of the literature in our study was provided by Thomson Reuters WoS (Thomson Reuters, New York, NY, USA), titled Web of Science Core Collection, Korean Journal Database, Russian Science Citation Index, and SciELO Citation Index. We used the keyword “hydatid cyst” to search the WoS database. Information from 1975 was provided from the WoS database. We included all documents published between 1975 to 2017 in the study. We excluded all papers produced in 2018. Documents published from England, Northern Ireland, Scotland, and Wales were included under the United Kingdom (UK) heading. Statistical analyses were performed by using SPSS (Version 22.0, SPSS Inc., Chicago, IL, USA; licensed for Hitit University, Corum, Turkey). We created infographics showing scientometric networks by using the VOSviewer software tool for constructing and visualizing bibliometric networks (4). We generated info maps revealing publication density of the countries throughout the world by using GunnMap free resource (5).

3. Results

3.1. Hydatid Cyst Literature

Our database search retrieved a total of 6928 documents. The keywords “hydatid cyst” and “hydatid disease” were used in the medical literature between 1975 and 2017. It was found that 89.6% of total papers were original articles (n = 6206) followed by case reports (n = 2430, 35%) (Table 1). The number of open-access documents was 1210 (17.46%). English is the primary language of the documents (n = 6172, 89.1%) followed by French (11.1%), Spanish (4.3%), German (2.7%), Russian (1.5%), and Turkish (1.1%). The top 100 countries producing HC documents were ranked by NP, and infographic showing the world of HC literature was generated (Figure 1). Turkey was found to be the most productive country on HC literature with 1459 items (21%) followed by India, the UK, Spain, and the USA (561, 493, 392, and 391 papers, respectively) (Figure 1). The distribution of density of published HC documents was shown on a generated infographic world map (Figure 2).

Table 1. Document Types in Health Literature Related to Hydatid Cyst and Surgery of Hydatid Cyst Published Between 1975 and 2017
Fielda/Document TypesHydatid Cyst, No. (%)Hydatid Cyst Surgery, No. (%)Total, No. (%)
Original Article6206 (89.58)3194 (93.67)9400 (90.93)
Review527 (7.61)307 (9)834 (8.07)
Editorial341 (4.92)145 (4.25)486 (4.7)
Meeting279 (4.03)107 (3.14)386 (3.73)
Letter 499 (7.2)213 (6.25)712 (6.89)
Case Report2430 (35.07)1588 (46.57)4018 (38.87)
Abstract637 (9.19)355 (10.41)992 (9.59)
Correction10 (0.14)1 (0.03)11 (0.11)
Clinical Trial69 (1)40 (1.17)109 (1.05)
Biography2 (0.03)1 (0.03)3 (0.03)
Unspecified/Others1194 (17.23)385 (11.29)1579 (15.27)
Book3 (0.04)1 (0.03)4 (0.04)
Totalb6928 (100)3410 (100)10338 (90.93)

aSorted by total number of publications.

bTotal percentages may exceed 100% because certain items were included in more than one category.

Top 10 countries producing hydatid disease publications by number of documents
Figure 1. Top 10 countries producing hydatid disease publications by number of documents
Publication density distribution of the world countries
Figure 2. Publication density distribution of the world countries

Tunis El Manar University in Tunisia was found to be the most productive institution with 122 papers (1.76%) followed by Assistance Publique - Hopitaux de Paris, Istanbul University, and Hacettepe University (118, 105, and 95 documents, respectively) (Table 2). American Journal of Tropical Medicine and Hygiene had the highest publication number in this field with 161 items (Table 3). The top three authors producing HC articles were Craig PS, Wen H, and Brunetti E (n = 126, 56, and 42 papers, respectively). Cumulative citation number of all HC literature was 76178, and average citations per year were calculated as 1953.28. The most cited article was an original article titled “Ultrasound Examination of The Hydatic Liver” by Gharbi et al., published in 1981 and cited 554 times (Table 4) (6).

Table 2. The Most Productive 20 Institutions in Health Literature Related to Hydatid Cyst and Hydatid Cyst Surgery Published Between 1975 and 2017
InstitutionsNo. (%)
Hydatid Cyst
Tunis El Manar University, Tunis, Tunisia122 (1.76)
Assistance Publique- Hôpitaux de Paris, Paris, France118 (1.7)
Istanbul University, Istanbul, Turkey105 (1.52)
Hacettepe University, Ankara, Turkey95 (1.37)
Ankara University, Ankara, Turkey75 (1.08)
University of the Republic Uruguay, Montevideo, Uruguay75 (1.08)
Selçuk University, Konya, Turkey72 (1.04)
Tehran University of Medical Sciences, Tehran, Iran71 (1.02)
University of Athens, Athens, Greece71 (1.02)
Ankara Numune Training and Research Hospital, Ankara, Turkey68 (0.98)
Xinjiang Medical University, Ürümqi, China67 (0.97)
Gülhane Training and Research Hospital, Ankara, Turkey67 (0.97)
Ege University, Izmir, Turkey58 (0.83)
University of Salford, Salford, England, UK56 (0.81)
Sapienza University of Rome, Rome, Italy54 (0.78)
Dicle University, Diyarbakır, Turkey53 (0.76)
Postgraduate Institute of Medical Education and Research, Chandigarh, India52 (0.75)
Inonü University, Malatya, Turkey49 (0.71)
Atatürk University, Malatya, Turkey48 (0.69)
Hospital Rabta, Tunis, Tunisia48 (0.69)
Hydatid Cyst Surgery
Atatürk University, Malatya, Turkey85 (2.492)
Assistance Publique- Hôpitaux de Paris, Paris, France76 (2.229)
Istanbul University, Istanbul, Turkey75 (2.199)
Ankara University, Ankara, Turkey74 (2.17)
Tunis El Manar University, Tunis, Tunisia,71 (2.082)
Hacettepe University, Ankara, Turkey52 (1.525)
Ankara Numune Training and Research Hospital, Ankara, Turkey50 (1.466)
University of Athens, Athens, Greece48 (1.408)
Selçuk University, Konya, Turkey39 (2.492)
Xinjiang Medical University, Ürümqi, China35 (1.026)
Tehran University of Medical Sciences, Tehran, Iran34 (0.997)
Dicle University, Diyarbakır, Turkey33 (0.968)
Gülhane Training and Research Hospital, Ankara, Turkey33 (0.968)
Istanbul University, Istanbul, Turkey31 (0.909)
Erciyes University, Kayseri, Turkey30 (0.880)
Chu Ibnou Rochd, Casablanca, Morocco29 (0.850)
Ankara Turkiye Yuksek Ihtisas Egitim Ve Arastirma Hastanesi, Ankara, Turkey28 (0.821)
Inonü University, Malatya, Turkey28 (0.821)
All India Institute of Medical Sciences, New Delhi, India27 (0.792)
Ege University, Izmir, Turkey27 (0.792)
Table 3. The Most Productive 10 Journals in Health Literature Related to Hydatid Cyst and Hydatid Cyst Surgery Published Between 1975 and 2017
InstitutionsNo. (%)
Hydatid Cyst
American Journal of Tropical Medicine and Hygiene161 (2.32)
American Journal of Roentgenology124 (1.79)
Parasitology Research96 (1.38)
Annals of Tropical Medicine and Parasitology95 (1.37)
Veterinary Parasitology91 (1.31)
Acta Tropica77 (1.11)
World Journal of Surgery73 (1.05)
Annales De Chirurgie72 (1.04)
Transactions of the Royal Society of Tropical Medicine and Hygiene59 (0.85)
International Journal for Parasitology58 (0.84)
Hydatid Cyst Surgery
World Journal of Surgery66 (1.93)
Annales de Chirurgie63 (1.84)
Hepato Gastroenterology43 (1.26)
Khirurgiia41 (1.2)
American Journal of Tropical Medicine and Hygiene39 (1.14)
Acta Chirurgica Belgica37 (1.08)
The American Journal of Tropical Medicine and Hygiene37 (1.08)
Journal de Chirurgie36 (1.06)
Journal of Pediatric Surgery34 (1)
Annals of Thoracic Surgery33 (0.97)
Table 4. The 10 Most Cited Manuscripts in Hydatid Cyst Literature
ArticleAuthorPublication YearTotal CitationAverage Citations per Year
Ultrasound examination of the hydatic liverGharbi et al.198155414.58
EchinococcosisMcManus et al.200351532.19
Expert consensus for the diagnosis and treatment of cystic and alveolar echinococcosis in humansBrunetti et al.201040444.89
Hydatid disease: Radiologic and pathologic features and complicationsPedrosa et al.200035518.68
Cestodes-echinococcusAmmann and Eckert199629812.96
Personal-experience with 411 hepatic resectionsIwatsuki and Starzl19882909.35
International classification of ultrasound images in cystic echinococcosis for application in clinical and field epidemiological settingsMacpherson et al.200325515.94
Cystic focal liver lesions in the adult: differential CT and MR imaging featuresMortele and Ros200122312.39
Percutaneous drainage compared with surgery for hepatic hydatid cystsKhuroo et al.19972199.95
Albendazole-objective evidence of response in human hydatid-diseaseMorris et al.19852106.18

We extracted the most used keywords from the database including the most cited articles and found that “Hydatid cyst”, “Echinococcus granulosus”, “echinococcosis”, “hydatid disease”, and “liver” were the top five keywords (used 130, 57, 54, 29, and 25 times) (Table 5).

Table 5. Most Used 10 Keywords on the Literature Related to Hydatid Cyst and Hydatid Cyst Surgery Literature
KeywordsN, Times
Hydatid Cyst
Hydatid cyst130
Echinoccocus granulosus57
Echinoccocosis54
Hydatid disease29
Liver25
Surgery23
Hydatidosis21
Albendazole18
Echinococcus17
Iran16
Hydatid Cyst Surgery
Hydatid cyst150
Echinoccocosis64
Surgery58
Hydatid disease49
Echinoccocus granulosus44
Cystic echinoccocosis29
Liver26
Hydatidosis23
Albendazole21
Echinococcus18

3.2. Surgery of Hydatid Cyst Literature

A total of 3410 documents were detected as we performed a search in the WoS database by using keywords “hydatid cyst” and “surgery”. The top 10 countries produced documents in this field was ranked by the number of publications (Figure 3). Turkey produced 26.16% of all literature with 892 items followed by India, France, and Spain (248, 219, and 187 articles, respectively) (Figure 4). We created an info map, including all countries publishing in this field (Figure 5). We found that a high majority of the documents were original articles (n=3194, 93.67%) (Table 1). English was a major language of the literature (88.36%) followed by French, Spanish, and German (13.9, 4.19, and 2.93%, respectively).

The network of the most used keywords in hydatid disease literature
Figure 3. The network of the most used keywords in hydatid disease literature
The most productive countries publishing in the literature of hydatid cyst surgery
Figure 4. The most productive countries publishing in the literature of hydatid cyst surgery
World countries according to the productivity density in hydatid cyst surgery area
Figure 5. World countries according to the productivity density in hydatid cyst surgery area

Atatürk University (Malatya, Turkey) was found to be the most productive institution with 85 items followed by Assistance Publique- Hopitaux de Paris (Paris, France), Istanbul University (Istanbul, Turkey), Ankara University (Ankara, Turkey), Tunis El Manar University (Tunis, Tunisia), Hacettepe University (Ankara, Turkey), and Ankara Numune Training and Research Hospital (Ankara, Turkey), and (76, 75, 74, 71, 52, and 50 documents, respectively).

The World Journal of Surgery ranked first with the publication number in this field with 66 articles followed by Annales De Chirurgie, Hepato-Gastroenterology, and Khirurgiia (63, 43, and 41 items, respectively). We noted that 3410 articles in this field were cited a total of 39871 times. The most cited article was titled “Ultrasound Examination of The Hydatic Liver” by Gharbi, HA et al., cited 554 times (Table 6). The most used keywords in this field were hydatid cyst, echinococcosis, surgery, and hydatid disease (used 150, 64, 58, and 49). We generated a keyword network by using the top keywords (Figure 6).

Table 6. The 10 Most Cited Manuscripts in Hydatid Cyst Surgery Literature
ArticleAuthorPublication YearTotal CitationAverage Citations per Year
Ultrasound examination of the hydatic liverGharbi et al.198155414.58
EchinococcosisMcManus et al.200351532.19
Expert consensus for the diagnosis and treatment of cystic and alveolar echinococcosis in humansBrunetti et al.201040444.89
Personal-experience with 411 hepatic resections Iwatsuki and Starzl19882909.35
Percutaneous drainage compared with surgery for hepatic hydatid cystsKhuroo et al.19972199.95
Albendazole-objective evidence of response in human hydatid-diseaseMorris et al.19852106.18
Diagnosis and management of hydatid-disease of the liver-a 15-year north-american experienceLanger et al.19841865.31
Laparoscopic liver resection of benign liver tumors-results of a multicenter european experienceDescottes et al.200318011.25
Surgical-treatment of hydatid cysts of the lung-report on 1055 patientsDogan et al.19891806
Albendazole as a potential treatment for human hydatidosisSaimot et al.19831805
The most used keywords network in the literature related to hydatid cyst surgery
Figure 6. The most used keywords network in the literature related to hydatid cyst surgery

4. Discussion

The greatest prevalences of hydatid disease in humans has been noted in temperate zones of the world such as Mediterranean countries, southern and central parts of Russia, central Asia, China, South America, and Australia (3). Hydatid cyst is an increasing health concern in many regions of the world and it is currently considered as an endemic zoonosis in the Mediterranean region (7, 8). The most endemic areas have been reported to be Mediterranean countries, and we found that six of the top ten countries publishing in hydatid disease literature were from the Mediterranean region (Figure 1). According to the WHO database, the annual incidence of hydatid disease is 4.4 in a 100000 population in Turkey, which was found in our study to be the most productive county of the world in this field. Although certain regions of Spain, Italy, and Cyprus had greater prevalences of hydatid disease than Turkey, the sum of publication numbers of these countries could not reach the document number of Turkey (6.2, 8, and 5.7, respectively). Although Turkey ranked first in the publication number, no article from Turkey was in the top 10 cited documents. The most cited articles in this field were from Tunisia and were published by Gharbi et al. As we evaluated the most cited items of the literature, we detected that the countries that produced these articles were Tunisia, Australia, Italy, France, Germany, Spain, Switzerland, the USA, and India.

4.1. Limitation

Our study had two limitations. First, we used only one database, WoS, since it has been considered as the most reliable database in the academic literature. Second, we could not reach the documents before 1975 because WoS provided access to items published since 1975.

5. Conclusions

To the best of our knowledge, our study is the first bibliometric study in the literature related to hydatid disease and hydatid cyst surgery. Researches from the regions and countries having a high prevalence of hydatid disease should be encouraged and funded to carry out novel studies. Physicians from the countries with a high publication number in this field should produce more citable articles.

Footnotes

References

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