Prevalencia de hallazgos compatibles con material de osteosíntesis en radiografías panorámicas / Prevalence of fidings compatible with osteosynthesis material in panoramic radiographs

Resumen: Objetivo: Determinar la prevalencia de hallazgos compatibles con material de osteosíntesis en radiografías panorámicas, en el centro radiológico de la Universidad Católica de Cuenca en el periodo 2015 - 2016. Materiales y métodos: la metodología utilizada fue con un enfoque cuantitativo, descriptivo, observacional y retrospectivo. La población de este estudio se conformó por todo el universo de las radiografías panorámicas depositadas en la base de datos del centro radiológico de la Universidad Católica de Cuenca, Facultad de Odontología en el periodo 2015 - 2016 que suman un total de 3.243 radiografías, de las cuales fueron excluidas las radiografías panorámicas digitales que se han tomadas fuera del corte focal, radiografías tomadas con una técnica inadecuada, radiografías cefálicas, radiografías oclusales y radiografías digitales que se encontraron repetidas en la base de datos o con datos incompletos del paciente que no se pueda definir la edad o el sexo al que corresponden, siendo un total de 117 radiografías digitales excluidas. Resultados: se evidencio que existe una mínima prevalencia de hallazgos radiográficos compatibles con materiales de osteosíntesis en el centro radiológico de la Universidad Católica de Cuenca, representado con un 0,2% correspondiente a 7 pacientes, siendo más prevalente en la mandíbula y maxilar superior en igual proporción y siendo menos frecuente en el cóndilo mandibular representado por un 0,03%. Todos estos estudios arrojaron que se presentaba en paciente de 34 años de edad promedio, con una desviación estándar de 15 años; sin embargo, no se encontró diferencia significativa entre los dos sexos antes mencionados.

Abstract: Objective: To determine the prevalence of fidings compatible with osteosynthesis material in panoramic radiographs, at the radiological center of the Catholic University of Cuenca, in the period 2015-2016. Materials and methods: the methodology used was with a quantitative, descriptive, observational and retrospective approach. The population for this study consisted of the whole collection of panoramic radiographs deposited in the database of the Catholic University of Cuenca, Faculty of Dentistry, radiological center in the period 2015 - 2016, totaling 3.243 radiographs, from which were excluded digital panoramic radiographs that were taken outside the focal section, radiographs taken with an inadequate technique, cephalic radiographs, occlusal radiographs and digital radiographs that were found repeated in the database or with incomplete patient data that could not defie the age or sex to which they corresponded, giving a total of 117 excluded digital radiographs. Results: it was shown that there is a minimal prevalence of radiographic fidings compatible with osteosynthesis materials in the radiological center of the Catholic University of Cuenca, represented by 0.2% corresponding to 7 patients, being more prevalent in the mandible and upper maxilla in equal proportion and being less frequent in the mandibular condyle, represented by 0.03%. All these studies showed that it presented in patients of average age 34 years, with a standard deviation of 15 years; however, no signifiant difference was found between males and females.

The clinical and radiographi c characteristics of erosive hand osteoarthritis / 中华风湿病学杂志

Objective To evaluate the clinical and radiographic characteristics and function of erosive hand osteoarthritis (EOA) patients. Methods Data were obtained from 19 patients with EOA, including their social conditions, clinical conditions, radiographic scores and hand function evaluation. The number of hand osteoarthritis (HOA) patients was 312. The control group consisted of non-EOA patients with hand osteoarthritis with a ratio of 4:1 to EOA patients. A non-parameter test analysis was performed. All data were analyzed by SPSS 23.0 statistical analysis, t test, χ2 test, Fisher exact probility and Spearman's correlations analysis were used for statistical analysis. Results Totally data of 19 patients were collected. Eighteen were female. Onset age was (56±8). Average duration was 56 (12~120) months. FIHOA scores of all the EOA patients were at least 5. All the erosions of 39 joints were characteristically central and erosive changes in 7 joints (18%) showed up as gull-wing. Among 39 erosive joints, including 12 (31%) E and 27 (69%) R, 34 (87%) distal interphalangeal joints were involved. Data analysis found out that EOA patients had longer disease duration (Z=2.610, P=0.009), more severe K-L level (44 ±11 vs 26 ±7, t=7.134, P<0.01), higher AUSCAN total score (28±6 vs 21±7, t=3.781, P<0.01) and higher AUSCAN function score (18±6 vs 12±6, t=4.042, P<0.01). The differences of ESR and CRP were not significant between EOA and non-EOA patients. Conclusion Erosions seen in EOA patients are centrally located gull-wing in the DIP joints. EOA patients have longer duration, more severe radiographic damage and worse joint function.