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INTRODUCTION: rotator cuff tears are one of the most common shoulder injuries. The treatment of choice is arthroscopic repair with the use of anchors. The modified Mason-Allen technique, which combines the benefits of suture bridge and mattress sutures, has shown satisfactory results. This study aims to report and analyze the clinical results using these suture techniques in rotator cuff tears. RESULTS: preoperative mean active flexion 126o, 169o at three months, 175o at 12 months (p < 0.0001), active abduction 98o, 159o at three months and 167o at 12 months (p < 0.0001), internal rotation preoperative value 4.4 ± 3, at three months 7.1 ± 1.7 (p < 0.05) and 12 months 7.6 ± 1.1 (p < 0.001). Constant score 45.76 ± 16.35 (p < 0.0001) at three months 87.27 ± 10.94 and 12 months 91.30 ± 6.00. SSV 41.30 ± 20.89, three months 81.43 ± 18.31 and 12 months 94.37 ± 6.90 (p = 0.0001). Initial mean VAS 6.6 ± 1.6 and 12 months 0.63 ± 1.02 (p < 0.0001). CONCLUSION: in rotator cuff tears, using a single row with the modified Mason-Allen technique is a recommended and replicable option with satisfactory results and statistically significant clinical improvement at three and 12 months post-surgery.

INTRODUCCIÓN: la lesión del manguito de los rotadores es una de las lesiones más comunes del hombro. El tratamiento por elección es la reparación artroscópica con uso de anclas. La técnica Mason-Allen modificada, que integra los beneficios de las suturas puente y colchonero, ha demostrado resultados satisfactorios. El propósito de este estudio es reportar y analizar los resultados clínicos del uso de dicha sutura en rupturas del manguito de los rotadores. RESULTADOS: flexión activa media 126o inicial, 169o a tres meses, 175o a 12 meses (p < 0.0001), abducción activa 98o, tres meses 159o y 167o a 12 meses (p < 0.0001), rotación interna valor prequirúrgico 4.4 ± 3, a los tres meses 7.1 ± 1.7 (p < 0.05) y 12 meses 7.6 ± 1.1 (p < 0.001). Constant Score 45.76 ± 16.35 con un valor de p < 0.0001, a tres meses 87.27 ± 10.94 y 12 meses 91.30 ± 6.00. SSV 41.30 ± 20.89, tres meses 81.43 ± 18.31 y 12 meses 94.37 ± 6.90 (p = 0.0001). EVA media inicial 6.6 ± 1.6 y 12 meses 0.63 ± 1.02 (p < 0.0001). CONCLUSIÓN: en rupturas del manguito de los rotadores, el uso de hilera simple con técnica Mason-Allen modificada es una opción recomendada y replicable con resultados satisfactorios y mejoría clínica estadísticamente significativa a los tres y 12 meses postquirúrgicos.

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PURPOSE: Our primary goal was to study the use of outpatient attendances by lung cancer patients in Hospital Universitario Puerta de Hierro Majadahonda (HUPHM), Spain, by leveraging our Electronic Patient Record (EPR) and structured clinical registry of lung cancer cases as well as assessing current Data Science methods and tools. METHODS/PATIENTS: We applied the Cross-Industry Standard Process for Data Mining (CRISP-DM) to integrate and analyze activity data extracted from the EPR (9.3 million records) and clinical data of lung cancer patients from a previous registry that was curated into a new, structured database based on REDCap. We have described and quantified factors with an influence in outpatient care use from univariate and multivariate points of view (through Poisson and negative binomial regression). RESULTS: Three cycles of CRISP-DM were performed resulting in a curated database of 522 lung cancer patients with 133 variables which generated 43,197 outpatient visits and tests, 1538 ER visits and 753 inpatient admissions. Stage and ECOG-PS at diagnosis and Charlson Comorbidity Index were major contributors to healthcare use. We also found that the patients' pattern of healthcare use (even before diagnosis), the existence of a history of cancer in first-grade relatives, smoking habits, or even age at diagnosis, could play a relevant role. CONCLUSIONS: Integrating activity data from EPR and clinical structured data from lung cancer patients and applying CRISP-DM has allowed us to describe healthcare use in connection with clinical variables that could be used to plan resources and improve quality of care.

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Since 1900, hip fusion was considered a definitive treatment, being the method of choice for osteoarthritis (OA) of the hip in young patients, and others as infections or sequelae of childhood illnesses, although today it has been migrated to the use of prostheses with non-cemented implants. Currently orthopedic management of osteoarthritis in the hip of the young patient has changed dramatically in part derived from the consequences of long-term arthrodesis in adjacent joints, so we present this case where we perform the conversion to total hip arthroplasty.

Desde 1900, la artrodesis de cadera se consideraba como un tratamiento definitivo, siendo el método de elección para la osteoartritis (OA) de cadera en pacientes jóvenes y otros padecimientos como infecciones o secuelas de enfermedades infantiles, aunque hoy día se ha migrado al uso de prótesis con implantes no cementados. Actualmente, el manejo ortopédico de la osteoartritis en la cadera del paciente joven ha cambiado de forma impresionante, en parte derivado de las consecuencias de la artrodesis a largo plazo en las articulaciones vecinas, por ello presentamos este caso en el que se realiza la conversión a una artroplastía total de cadera (ATC).

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The pigmented vellonodular sinovitis (PVNS) is benign neoplasm with synovial proliferation and hemosiderin deposit, characterized by large compromising joints, especially the knee. At present, two variants of clinics, the diffuse form (PVNSD) and the localized (PVNSL) are described. Arthroscopic synovectomy and radiosynoviorthesis (RSO) is the treatment that has shown the best functional results. Nuclear magnetic resonance is an appropriate method for conducting the diagnosis of PVNSL.

La sinovitis vellonodular pigmentada (SVP) es una neoplasia benigna con proliferación sinovial y depósito de hemosiderina, se caracteriza por comprometer grandes articulaciones, en especial la rodilla. En la actualidad se describen dos variantes clínicas, la forma difusa (SVPD) y la localizada (SVPL). La sinovectomía artroscópica y sinovectomía por radiación conforman el tratamiento que ha demostrado mejores resultados funcionales. La resonancia magnética nuclear es un método adecuado para establecer el diagnóstico de la SVPL.

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BACKGROUND: Hip fractures have increased in the last decades, mainly in elderly patients with osteoporosis. The incidence becomes in some countries up to 250 thousand new cases per year, generating millions for health systems costs, so it should be considered a public health problem. They are treated in supine position, with a fracture table, through a lateral approach. However, it is important to know that there are other techniques, which can dispense a table of fractures and in a different position. MATERIAL AND METHODS: Show a surgical technique for the treatment of transtrochanteric fractures of hip in lateral decubitus, without a fracture tab le and define its advantages and precise indications. RESULTS: Eight patients, five women (62.5%) and three men (37.5%). Bleeding average 115 cc and average surgical time of 67 minutes. A patient with detachment of the system that ended in Girdlestone. No neurological complications or early infection was documented. CONCLUSIONS: The reduction and fixation of transtrochanteric hip fractures with intramedullary nail without fracture tab le and in lateral decubitus is feasible and with a low level of associated complications.

ANTECEDENTES: Las fracturas de cadera han aumentado en las últimas décadas, principalmente en pacientes mayores con osteoporosis. La incidencia llega a ser en algunos países de hasta 250 mil casos nuevos por año, generando costos millonarios para los sistemas de salud, por lo que se debe de considerar como un problema de salud pública. Los pacientes se tratan, de manera tradicional, en posición decúbito supino, con mesa de fracturas, a través de un abordaje lateral. Sin embargo, es importante saber que existen otras técnicas que pueden prescindir de una mesa de fracturas y en una posición diferente. MATERIAL Y MÉTODOS: Mostrar una técnica quirúrgica para el tratamiento de las fracturas transtrocantéricas de cadera en decúbito lateral, sin necesidad de mesa de fracturas y definir sus ventajas e indicaciones precisas. RESULTADOS: Ocho pacientes, cinco mujeres (62.5%) y tres hombres (37.5%). Sangrado promedio de 115 mL y tiempo quirúrgico promedio de 67 minutos. Un paciente con desanclaje del sistema terminó en Girdlestone. No se documentó ninguna complicación neurológica ni infección temprana. CONCLUSIONES: La reducción y fijación de fracturas transtrocantéricas de cadera con clavo centromedular sin mesa de fracturas y en decúbito lateral es factible y con un nivel bajo de complicaciones asociadas.

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In order to test the hypothesis that more dental students are meticillin-resistant Staphylococcus aureus (MRSA) carriers than non-dental students, 100 dental students with five to six years of exposure to patients and 81 non-dental students were tested for nasal and pharyngeal MRSA carriage by polymerase chain reaction. All 181 students were clinically healthy and none had taken antibiotics. Significantly more dental students (20/100) carried MRSA than non-dental students (5/81) (odds ratio: 4.04; 95% confidence interval: 1.6-12.6; P = 0.0033). Also, more dental students' mobile phones (8/100) carried MRSA. All MRSA isolates were distinguished by pulsed-field gel electrophoresis from epidemiologically significant strains. The results suggest that dental students are occupationally exposed to MRSA.

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