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Effect of Low-Sodium, Choline-Based Semen Diluent on Viability of Bovine Spermatozoa Stored at 4°C

Advances in Reproductive Sciences 2018年第1期6卷 12-21页

作者： Pedro A. delgado Toby D. Lester Rick W. Rorie universidad publica de el alto El Alto Bolivia department of Animal Sciences University of Arkansas Fayetteville AR USA

This study evaluated sperm viability over time, after dilution and refrigerator storage of fresh semen extended in either synthetic cauda epididymal plasma (CEP2), or in a low sodium medium (CJ2) supplemented with either AlbuMAX or egg yolk. Semen collected weekly for 4 weeks from 4 bulls and assigned within bulls, across treatments. After extension in either CEP2, or CJ2 containing either egg yolk or AlbuMAX, semen was cooled to 4°C, and evaluated for 7 days. A computer assisted sperm analysis (CASA) system was used for sperm evaluation. Particular emphasis was placed on sperm motility since it is the single most important sperm parameter influencing bull fertility. Total and progressive motility of sperm in CEP2 and CJ2-AlbuMAX were similar (P = 0.85 and P = 0.23, respectively), but both were lower (P elocity (VAP) and linear velocity (VSL) were greater (P elocity (VCL) of spermatozoa in CEP2 was lower than CJ2-AlbuMAX (P = 0.01), but similar with CJ2-yolk (P = 0.54). Overall, every sperm parameter measured by the CASA system was equal to or higher for sperm stored 7 days in CJ2 medium as compared with CEP2. The CJ2 extender supplemented with egg yolk is a viable alternative for storing fresh bovine semen.

关键词： Semen Extender Bovine Sperm Refrigerator Storage

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Cefprozil versus Amoxicillin/Clavulanate for the Treatment of Acute Otitis Media in Children: Meta-Analysis of Efficacy and Safety

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Pharmacology & Pharmacy 2014年第4期5卷 386-394页

作者： Rafael Bolanos-Diaz Maria Calderon-Cahua Unidad de Analisis y Generacion de Evidencias en Salud publica(UNAGESP) Instituto Nacional de SaludLimaPeru Organizacion Medica para el desarrollo de la Salud ODDS PERULimaPeru universidad Peruana Cayetano Heredia(UPCH) LimaPeru

Introduction: The efficacy of amoxicillin combined with clavulanic acid in Acute Otitis Media (AOM) is not debatable, but studies report a high frequency of gastrointestinal adverse effects related to this intervention. In this scenario, several studies about the antibiotic cefprozil report that it has the same efficacy as amoxicillin/clavulanate for the treatment of AOM with significantly fewer side effects. The aim of our study was to compare the efficacy and safety of both treatments in AOM. Methodology: We searched for clinical trials and systematic reviews with or without meta-analyses in the Cochrane Group Register and the MEDLINE database up to November 2013, comparing the two interventions mentioned. Results were expressed as a rate of treatment failures or favorable response rates (clinical and microbiological in both cases), and as the rate of adverse events. The analysis was carried out considering the fixed and random effects models. The significance level used in the test for heterogeneity was 0.05. Funnel plot was used to search for publication bias. Results: 7 clinical trials were included in the analysis and no significant difference was found for both interventions regarding clinical and bacteriological response (RR = 1.02, 95% CI, 0.97-1.06, p = 0.780 and RR = 1.02, 95% CI, 0.99-1.07, p = 0.228, respectively). However, a significant difference was found in the comparison of adverse effects, showing that amoxicillin/clavulanate has a significantly higher risk of developing side effects than cefprozil (RR = 0.52, 95% CI, 0.45-0.59, p = 0.000). Conclusion: Both treatments demonstrated equal clinical and microbiological efficacy. However, the use of cefprozil is significantly associated with a lower risk of adverse effects.

关键词： Cefprozil Amoxicillin/Clavulanate Acute Otitis Media

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Acceptance of living liver donation among medical students: A multicenter stratified study from Spain

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World Journal of Gastroenterology 2016年第25期22卷 5800-5813页

作者： Antonio Ríos Ana Isabel López-Navas Ana Isabel López-López Francisco Javier Gómez Jorge Iriarte Rafael Herruzo Gerardo Blanco Francisco Javier Llorca Angel Asunsolo Pilar Sánchez-Gallegos Pedro Ramón Gutiérrez Ana Fernández María Teresa de Jesús Laura Martínez-Alarcón Alberto Lana Lorena Fuentes Juan Ramón Hernández Julio Virseda José Yelamos José Antonio Bondía Antonio Miguel Hernández Marco Antonio Ayala Pablo Ramírez Pascual Parrilla International Collaborative Donor Project ('Proyecto Colaborativo Internacional Donante' 30007 Casillas Murcia Spain department of Surgery Paediatrics Obstetrics and Gynaecology University of Murcia Avenida de las Fuerzas Armadas 30800 Espinardo Murcia Spain Transplant Unit Surgery Service IMIB - Virgen de la Arrixaca University Hospital Carretera Madrid-Cartagena s/n 30120 El Palmar Murcia Spain Regional Transplant Centre Consejeria de Sanidad y Consumo de la Region de Murcia 30008 Ronda de Levante Murcia Spain Hospital Clinico Universitario Virgen de la Arrixaca Departamento de Cirugia General y del Aparato Digestivo Unidad de Trasplantes 30007 Casillas Murcia Spain department of Psychology Universidad Catolica San Antonio (UCAM) Avenida de los Jeronimos 30107 Guadalupe Murcia Spain department of Urology San Juan University Hospital of Alicante 03010 Calle Pintor Baeza Alicante Spain universidad de Granada Avenida del Hospicio s/n 18010 Granada Spain universidad de Navarra Campus Universitario 31080 Pamplona Navarra Spain universidad Autonoma de Madrid Ciudad Universitaria de cantoblanco 28049 Madrid Spain Servicio de Cirugia HBP y Trasplante Hepatico Complejo Hospitalario Universitario de Badajoz Hospital Infanta Cristina Avenida Elvas s/n 06006 Badajoz Spain universidad de Cantabria Avenida los Castros s/n 39005 Santander Cantabria Spain departamento de Cirugia Ciencias Medicas y Sociales Facultad de Medicina y Ciencias de la Salud Universidad de Alcala Campus Cientifico-Tecnologico Plaza de San Diego s/n 28801 Alcala de Henares Madrid Spain Facultad de Medicina Universidad de Malaga 29071 Avenida de Cervantes Malaga Spain Servicio de Urologia (Complejo Hospitalario Universitario de Canarias CHUC) y Departamento de Cirugia (Universidad de La Laguna ULL) Calle Molinos de Agua s/n 38207 San Cristobal de La Laguna Santa Cruz de Tenerife Spain departamento de Ciencias Biomedicas Basicas Facultad de Ciencias Biomedicas Universidad Europea de

AIM: To analyze the attitude of Spanish medical students toward living liver donation (LLD) and to establish which factors have an influence on this ***: Study type: A sociological, interdisciplinary, multicenter and observational study. Study population: Medical students enrolled in Spain (n = 34000) in the university academic year 2010-2011. Sample size: A sample of 9598 students stratified by geographical area and academic year. Instrument used to measure attitude: A validated questionnaire (PCID-DVH RIOS) was self-administered and completed anonymously. Data collection procedure: Randomly selected medical schools. The questionnaire was applied to each academic year at compulsory sessions. Statistical analysis: Student´s t test, χ2 test and logistic regression ***: The completion rate was 95.7% (n = 9275). 89% (n = 8258) were in favor of related LLD, and 32% (n = 2937) supported unrelated LLD. The following variables were associated with having a more favorable attitude: (1) age (P = 0.008); (2) sex (P demic year (P elieving in the possibility of needing a transplant oneself in the future (P de toward deceased donation (P de toward living kidney donation (P ded (P dents have a favorable attitude toward LLD.

关键词： Attitude Living liver donation Medical students Transplantation Organ donation Psychosocial variables Spain

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Knowledge and preventive measures practiced by junior high school students from Mexico City regarding influenza A (H1N1)

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Health 2012年第10期4卷 995-999页

作者： Veronica Cruz-Licea Fernando Gonzalez-Dominguez Laura Vargas-Parada Monica Hernandez-Riquelme Ana Flisser departamento de Salud publica Facultad de MedicinaUniversidad Nacional Autonoma de MexicoMexico CityMexico Direccion de Ensenanza Hospital General“Dr.Manuel Gea Gonzalez”Secretaria de SaludMexico CityMexico departamento de Biologia Facultad de CienciasUniversidad Nacional Autonoma de MexicoMexico CityMexico Direccion General de Innovacion y Fortalecimiento Academico Administracion Federal de Servicios Educativos en el Distrito FederalSecretaria de Educacion PublicaMexico CityMexico departamento de Microbiologia y Parasitologia Facultad de MedicinaUniversidad Nacional Autónoma de MexicoMexico CityMexico

Background: Influenza A (H1N1) is the most recent pandemic disease that has affected the human population. Objective: To evaluate knowledge and preventive measures related with this disease one year after the epidemic of Mexico- that took place in 2009. Material and methods: An epidemiologic survey regarding influenza A (H1N1) was conducted in June 2010 among 2541 students from the second grade of all public high schools in a borough in Mexico City. The questionnaire included items on the knowledge of the disease and practice of preventive measures. Results: Most students obtained the information from television, half of them from parents and only one fifth from teachers;72% of the participants had a favorable knowledge about the disease and the measures to avoid being infected. However, only 37% practiced such preventive measures. Conclusion: Knowledge has a positive influence on practices towards health. Parents and teachers have an important role in health education, thus efforts should be directed to involve them more intensely in health education.

关键词： Alcohol Gel Epidemiologic Survey Hand Washing Health Behavior Influenza A (H1N1) Outbreak Mexico City

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