32 research outputs found

    Repair of the Church of La Purísima Concepción of Huelva (Spain) with Jet Grouting, for damages caused by the construction of diaphragm walls in its proximity

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    The Church of La Purísima Concepcion, raised in 1515 as the second parish of Huelva (Spain) has been affected by diverse natural disasters along its history. The soil of Huelva is mainly mud, very soft and highly compressible. In 1999 the works to build a residential building with four plants below the ground level affected the church and several buildings. Horizontal displacements of the sheet pile wall in top, overcame 12 cm. The settlements were higher to 5 cm. The system of struts, with lengths over to 30 meters used to built the pile wall, was not the best one. Also, the diaphragm walls were designed short, and the dimensions of the element diaphragm wall were incorrect (wide 5 meters). The foundation of the church has been repaired using the technology of jet-grouting, with columns of 15 and of 30 meters of depth and 0.75-0.80 m of diameter. Later, it was realized concrete slab to join all the heads of the columns of jet-grouting. Measurements of levelling have been realized to observe the movements of the church structure during the accomplishment of the jet-grouting

    Outcomes from elective colorectal cancer surgery during the SARS-CoV-2 pandemic

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    This study aimed to describe the change in surgical practice and the impact of SARS-CoV-2 on mortality after surgical resection of colorectal cancer during the initial phases of the SARS-CoV-2 pandemic

    Elective cancer surgery in COVID-19-free surgical pathways during the SARS-CoV-2 pandemic: An international, multicenter, comparative cohort study

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    PURPOSE As cancer surgery restarts after the first COVID-19 wave, health care providers urgently require data to determine where elective surgery is best performed. This study aimed to determine whether COVID-19–free surgical pathways were associated with lower postoperative pulmonary complication rates compared with hospitals with no defined pathway. PATIENTS AND METHODS This international, multicenter cohort study included patients who underwent elective surgery for 10 solid cancer types without preoperative suspicion of SARS-CoV-2. Participating hospitals included patients from local emergence of SARS-CoV-2 until April 19, 2020. At the time of surgery, hospitals were defined as having a COVID-19–free surgical pathway (complete segregation of the operating theater, critical care, and inpatient ward areas) or no defined pathway (incomplete or no segregation, areas shared with patients with COVID-19). The primary outcome was 30-day postoperative pulmonary complications (pneumonia, acute respiratory distress syndrome, unexpected ventilation). RESULTS Of 9,171 patients from 447 hospitals in 55 countries, 2,481 were operated on in COVID-19–free surgical pathways. Patients who underwent surgery within COVID-19–free surgical pathways were younger with fewer comorbidities than those in hospitals with no defined pathway but with similar proportions of major surgery. After adjustment, pulmonary complication rates were lower with COVID-19–free surgical pathways (2.2% v 4.9%; adjusted odds ratio [aOR], 0.62; 95% CI, 0.44 to 0.86). This was consistent in sensitivity analyses for low-risk patients (American Society of Anesthesiologists grade 1/2), propensity score–matched models, and patients with negative SARS-CoV-2 preoperative tests. The postoperative SARS-CoV-2 infection rate was also lower in COVID-19–free surgical pathways (2.1% v 3.6%; aOR, 0.53; 95% CI, 0.36 to 0.76). CONCLUSION Within available resources, dedicated COVID-19–free surgical pathways should be established to provide safe elective cancer surgery during current and before future SARS-CoV-2 outbreaks

    Elective Cancer Surgery in COVID-19-Free Surgical Pathways During the SARS-CoV-2 Pandemic: An International, Multicenter, Comparative Cohort Study.

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    PURPOSE: As cancer surgery restarts after the first COVID-19 wave, health care providers urgently require data to determine where elective surgery is best performed. This study aimed to determine whether COVID-19-free surgical pathways were associated with lower postoperative pulmonary complication rates compared with hospitals with no defined pathway. PATIENTS AND METHODS: This international, multicenter cohort study included patients who underwent elective surgery for 10 solid cancer types without preoperative suspicion of SARS-CoV-2. Participating hospitals included patients from local emergence of SARS-CoV-2 until April 19, 2020. At the time of surgery, hospitals were defined as having a COVID-19-free surgical pathway (complete segregation of the operating theater, critical care, and inpatient ward areas) or no defined pathway (incomplete or no segregation, areas shared with patients with COVID-19). The primary outcome was 30-day postoperative pulmonary complications (pneumonia, acute respiratory distress syndrome, unexpected ventilation). RESULTS: Of 9,171 patients from 447 hospitals in 55 countries, 2,481 were operated on in COVID-19-free surgical pathways. Patients who underwent surgery within COVID-19-free surgical pathways were younger with fewer comorbidities than those in hospitals with no defined pathway but with similar proportions of major surgery. After adjustment, pulmonary complication rates were lower with COVID-19-free surgical pathways (2.2% v 4.9%; adjusted odds ratio [aOR], 0.62; 95% CI, 0.44 to 0.86). This was consistent in sensitivity analyses for low-risk patients (American Society of Anesthesiologists grade 1/2), propensity score-matched models, and patients with negative SARS-CoV-2 preoperative tests. The postoperative SARS-CoV-2 infection rate was also lower in COVID-19-free surgical pathways (2.1% v 3.6%; aOR, 0.53; 95% CI, 0.36 to 0.76). CONCLUSION: Within available resources, dedicated COVID-19-free surgical pathways should be established to provide safe elective cancer surgery during current and before future SARS-CoV-2 outbreaks

    Polifenoles del vino tinto inhiben la proliferación, e inducen apoptosis en células de cáncer de próstata LNCaP

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    El objeto de este trabajo es estudiar el efecto inhibitorio sobre la proliferación de células humanas de cáncer de próstata LNCaP de 5 polifenoles presentes en el vino tinto (quercetina, morina, rutina y ácidos gálico tánico) y establecer si este efecto se debía al menos en parte a inducción de la apoptosis. Utilizamos células LNCaP a una concentración de 500 células por pocillo, y las cultivamos en placas de 96 pocillos/placa a unas concentraciones de ácido, tánico, ácido gálico y quercetina de 1,5 and 10 uM y rutina y morina de 25, 50 and 75 uM. Para cuantificar la inhibición sobre la proliferación se utilizó un inmunoensayo colorimétrico. Las determinaciones se realizaron a las 24, 48, 72 y 96 horas. Para estudiar la apoptosis se utilizarón las concentraciones de los nutrientes que causaron inhibición significativa de la proliferación, y esto se realizó con un inmunoensayo para detección de muerte celular. Las determinaciones de apoptosis se realizaron a 24, 48 y 72 hora

    Survival of Castration-Resistant Prostate Cancer in Clinical Practice and the Role of Treatment

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    Objetivo: Evaluar en un contexto de práctica clínica la ventaja de supervivencia para pacientes con cáncer de próstata resistente a castración (CPRC) tratado activamente con diversos tratamientos que incluyen acetato de abiraterona (AA) y prednisona con o sin docetaxel. Material y método: Se analiza la supervivencia de pacientes con CPRC y se compara un grupo tratado con AA y prednisona (n = 33) con un control histórico formado por pacientes consecutivos tratados una década antes en la misma institución exclusivamente con retirada de antiandrógeno y medidas paliativas (n = 31). Se analizan variables clínico-patológicas predictivas de pronóstico en la población activamente tratada. Se evalúa la respuesta global a AA y el intervalo libre de progresión radiológica. Resultados: La supervivencia cáncer específica a 2 años fue 79% para pacientes tratados activamente y 17,2% para control (log-rank, p 45 ng/ml; p = 0,09) y patrón de Gleason 5 en la biopsia se comportaron de manera más desfavorable. Globalmente el 75,8% tuvieron respuesta a AA (80% pre- y 69,2% post-quimioterapia; p = 0,1) y el 52,4% estuvieron libre de progresión radiológica al año (47,9% pre y 49,8% post-quimioterapia; log-rank, p = 0,3). Conclusión: El tratamiento de pacientes con CPRC prolonga la expectativa de supervivencia en un entorno de práctica clínica y es posible identificar factores predictivos de pronóstico en estos pacientes.Purpose: To assess, in a clinical practice context, the survival advantages of patients with castration-resistant prostate cancer (CRPC) actively treated with several treatments that include abiraterone acetate (AA) and prednisone, with or without docetaxel. Material and Methods: An analysis was performed on patient survival with CRPC, and was compared to a group treated with AA and prednisone (n = 33), with a historical control treated exclusively with anti-androgen withdrawal and palliative measures (n = 31). In the population actively treated, variables predictive of prognosis were analysed, as well as an evaluation of the overall response to AA and radiographic progression-free survival. Results: Cancer-specific survival at 2 years was 79% for patients actively treated and 17.2% for control group (P45 ng/ml; P=.09) and a Gleason pattern 5 in the biopsy had less favourable outcomes. There was a 75.8% over response to AA (80% pre- and 69.2%post-chemotherapy; P=.1), and 52.4% were radiographic progression-free at 1 year of treatment (47.9% pre- and 49.8% post-chemotherapy; P=.3). Conclusion: Treatment of CRPC patients extends survival expectations in a clinical practice setting and prognostic predictors can be identified in these patients.Sin financiación0.106 SJR (2017) Q4, 212/221 Cancer Research, 333/363 OncologyUE

    A Thermal Model for Three-Core Armored Submarine Cables Based on Distributed Temperature Sensing

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    This paper presents a procedure for the derivation of an equivalent thermal network-based model applied to three-core armored submarine cables. The heat losses of the different metallic cable parts are represented as a function of the corresponding temperatures and the conductor current, using a curve-fitting technique. The model was applied to two cables with different filler designs, supposed to be equipped with distributed temperature sensing (DTS) and the optical fiber location in the equivalent circuit was adjusted so that the conductor temperature could be accurately estimated using the sensor measurements. The accuracy of the proposed model was tested for both stationary and dynamic loading conditions, with the corresponding simulations carried out using a hybrid 2D-thermal/3D-electromagnetic model and the finite element method for the numerical resolution. Mean relative errors between 1 and 3% were obtained using an actual current profile. The presented procedure can be used by cable manufacturers or by utilities to properly evaluate the cable thermal situation

    Los efectos de resveratrol y otros polifenoles del vino sobre la proliferación, apoptosis y expresión de receptor androgénico en células LNCaP

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    The objective of this study is to address the effect of resveratrol and other red wine polyphenols on cell proliferation, apoptosis and androgen receptor (AR) expression in human prostate cancer LNCaP cells.1.022 JCR (2014) Q4, 60/76 Urology & nephrologyUE

    Two-port laparoscopic radical cystectomy with reusable umbilical system: A feasibility study

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    The objective of this study is to describe the technique and report outcomes of laparoscopic radical cystectomy using 2 ports (2-port LRC) for muscle-invasive bladder cancer.2.128 JCR (2014) Q2, 28/76 Urology & nephrologyUE
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