Summary Aim: The lately updated German guideline on radiation protection in medicine (Richtlinie Strahlenschutz in der Medizin) requires the physician who administers radioactive substances for therapy, to perform and document follow-ups. In order to decrease the administrative burden, an electronic database was developed that interfaces with a word processing software to generate written reports and statistic analysis. Methods: Based on Microsoft® Access and Microsoft® Visual Basic a database was created to monitor patients with benign and malignant thyroid disorders after radioiodine therapy. It permits automatic creation of therapy documents and necessary patient reports in Microsoft® Word. Intuitive handling, third level of normalization in database architecture and automatic plausibility checks guarantee integrity of the data and the efficacy of the database. Results, conclusion: The new software has been a success in over 1500 patients and over 3800 in- and outpatient therapies and visits. The effort of data entry is easily offset by the automatic generation of the necessary patient reports. The required supervision of the follow-up appointments is now also user-friendly and efficient.
La trigonometría es un área fundamental de la matemática con muchas dificultades en los procesos de aprendizaje y enseñanza. Este artículo describe el estado actual de las investigaciones doctorales recientes sobre didáctica de la trigonometría, analizando los vacíos existentes e identificando posibles temas de investigación. Se realizó una revisión sistemática de 18 tesis doctorales relacionadas con los descriptores trigonometría y funciones trigonométricas, obtenidas mediante buscadores académicos y repositorios de diferentes universidades existentes en internet, utilizando como categorías de análisis los objetos matemáticos abordados, la enseñanza, el aprendizaje, el currículo de matemática y el contenido de trigonometría. El análisis realizado evidenció que existen deficiencias conceptuales, pedagógicas y tecnológicas en los docentes, al igual que problemas de comprensión de los alumnos cuando estudian la trigonometría. Se concluye que hay pocas investigaciones relacionadas con la enseñanza y el aprendizaje de las funciones trigonométricas, lo cual constituye una gran oportunidad para futuras investigaciones doctorales. ABSTRACT Trigonometry is a fundamental area of mathematics with many difficulties in the learning and teaching processes. This article describes the current state of recent doctoral research on the didactics of trigonometry, analyzing the existing gaps and identifying possible research topics. A systematic review of 18 doctoral theses related to the descriptors trigonometry and trigonometric functions, obtained through academic search engines and repositories of different universities existing on the Internet, was carried out, using as categories of analysis the mathematical objects addressed, teaching, learning, the curriculum of mathematics and trigonometry content. The analysis carried out showed that there are conceptual, pedagogical and technological deficiencies in teachers, as well as comprehension problems of students when they study trigonometry. It is concluded that there is little research related to the teaching and learning of trigonometric functions, which constitutes a great opportunity for future doctoral research. Key words: Mathematics education; Trigonometry; Trigonometric functions; Doctoral theses RESUMO A trigonometria é uma área fundamental da matemática com muitas dificuldades nos processos de aprendizagem e ensino. Este artigo descreve o estado atual da pesquisa de doutorado recente sobre a didática da trigonometria, analisando as lacunas existentes e identificando possíveis tópicos de pesquisa. Foi realizada uma revisão sistemática de 18 teses de doutorado relacionadas aos descritores trigonometria e funções trigonométricas, obtidas por meio de buscadores acadêmicos e repositórios de diferentes universidades existentes na Internet, utilizando como categorias de análise os objetos matemáticos abordados, ensino, aprendizagem, o currículo de conteúdo de matemática e trigonometria. A análise realizada mostrou que existem deficiências conceituais, pedagógicas e tecnológicas dos professores, bem como problemas de compreensão dos alunos quando estudam trigonometria. Conclui-se que há poucas pesquisas relacionadas ao ensino e aprendizagem de funções trigonométricas, o que constitui uma grande oportunidade para futuras pesquisas de doutorado. Palavras-chaves: Educação matemática; Trigonometria; Funções trigonométricas; Teses de doutorado RÉSUMÉ La trigonométrie est un domaine fondamental des mathématiques avec de nombreuses difficultés dans les processus d’apprentissage et d’enseignement. Cet article décrit l’état actuel des recherches doctorales récentes sur la didactique de la trigonométrie, en analysant les lacunes existantes et en identifiant des sujets de recherche possibles. Une revue systématique de 18 thèses de doctorat liées aux descripteurs trigonométrie et fonctions trigonométriques, obtenues par le biais de moteurs de recherche académiques et de référentiels de différentes universités existant sur Internet, a été réalisée, en utilisant comme catégories d’analyse les objets mathématiques abordés, l’enseignement, l’apprentissage, la programme de contenu de mathématiques et de trigonométrie. L’analyse effectuée a montré qu’il existe des lacunes conceptuelles, pédagogiques et technologiques chez les enseignants, ainsi que des problèmes de compréhension des élèves lorsqu’ils étudient la trigonométrie. Il est conclu qu’il existe peu de recherches liées à l’enseignement et à l’apprentissage des fonctions trigonométriques, ce qui constitue une grande opportunité pour de futures recherches doctorales. Mots-clés: Enseignement des mathématiques; Trigonométrie; Fonctions trigonométriques; Thèses de doctorat
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