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Vol. 60. Issue 5.
Pages 394-403 (September - October 2018)
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Vol. 60. Issue 5.
Pages 394-403 (September - October 2018)
Original Report
DOI: 10.1016/j.rxeng.2018.07.002
Doctoral theses in diagnostic imaging: A study of Spanish production between 1976 and 2011
Las tesis doctorales en radiodiagnóstico: estudio de la producción española entre 1976 y 2011
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K. Machana, F. Sendra Porterob,
Corresponding author
sendra@uma.es

Corresponding author.
a Servicio de Radiodiagnóstico, Hospital Costa del Sol, Marbella, Málaga, Spain
b Departamento de Radiología y Medicina Física, Facultad de Medicina, Málaga, Spain
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Tables (4)
Table 1. Spanish universities arranged by the number of doctoral theses read between the 1976–1977 and 2010–2011 academic years according to the TESEO database.
Table 2. Distribution of radiology thesis directors based on the number of theses directed between the 1976–1977 and 2010–2011 academic years.
Table 3. Most productive directors of radiology theses between the 1976–1977 and 2010–2011 academic years.
Table 4. Annual average of doctoral theses from different medical specialties read in Spain and its comparison with the radiology theses read during the same period of time.
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Abstract
Objective

To analyze the production of doctoral theses in diagnostic imaging in Spain in the period 1976–2011 with the aim of (a) determining the number of theses and their distribution over time, (b) describing the production in terms of universities and directors, and (c) analyzing the content of the theses according to the imaging technique, anatomic site, and type of research used.

Material and methods

The TESEO database was searched for “radiología” and/or “diagnóstico por imagen” and for terms related to diagnostic imaging in the title of the thesis.

Results

A total of 1036 theses related to diagnostic imaging were produced in 37 Spanish universities (mean, 29.6 theses/year; range, 4–59). A total of 963 thesis directors were identified; 10 of these supervised 10 or more theses. Most candidates and directors were men, although since the 2000–2001 academic year the number of male and female candidates has been similar. The anatomic regions most often included in diagnostic imaging theses were the abdomen (22.5%), musculoskeletal system (21.8%), central nervous system (16.4%), and neck and face (15.6%). The imaging techniques most often included were ultrasonography in the entire period (25.5%) and magnetic resonance imaging in the last 5 years. Most theses (63.8%) were related to clinical research.

Conclusions

Despite certain limitations, the TESEO database makes it possible to analyze the production of doctoral theses in Spain effectively. The annual mean production of theses in diagnostic imaging is higher than in other medical specialties. This analysis reflects the historic evolution of imaging techniques and research in radiology as well as the development of Spanish universities.

Keywords:
Radiology
Diagnostic imaging bibliometrics
Doctoral theses
Research
Resumen
Objetivo

Analizar la producción de tesis doctorales de radiodiagnóstico en España durante el periodo 1976–2011 para: a) obtener el número de tesis y su distribución temporal; b) describir la producción por universidades y directores, y c) su contenido, según técnica de imagen, localización anatómica y tipo de investigación.

Material y métodos

Se ha realizado una búsqueda en la base de datos TESEO por descriptores (“radiología” y/o “diagnóstico por imagen”) y por palabras relacionadas con radiodiagnóstico en el título de las tesis.

Resultados

Se han obtenido 1036 tesis de radiodiagnóstico producidas en 37 universidades españolas, con una media de 29,6 tesis anuales (rango 4–59). Se han identificado 963 directores de tesis, diez de los cuales han dirigido 10 tesis o más. Predomina el género masculino en autores y directores, aunque desde el curso 2000–01 el número anual de autoras es similar o superior al de autores. Las regiones anatómicas más estudiadas fueron abdomen (22,5%), musculoesquelético (21,8%), neurorradiología (16,4%) y cérvico-facial (15,6%). La ecografía fue la técnica más estudiada durante el periodo analizado (25,5%) y la resonancia magnética en los últimos 5 años. El 63,8% de las tesis trataba sobre investigación clínica.

Conclusiones

A pesar de ciertas limitaciones, la base de datos TESEO permite analizar eficazmente la producción de tesis doctorales en España. La media anual de las tesis encontradas supera la de estudios similares de otras especialidades médicas. Su análisis refleja la evolución histórica de las técnicas de imagen y la investigación en radiología, así como el desarrollo de la universidad española.

Palabras clave:
Radiodiagnóstico
Bibliometría
Tesis doctoral
Investigación

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