pH del agua potable que consumen estudiantes del segundo año de la Carrera de Medicina, Universidad Mayor de San Andrés Gestión 2017 / pH of drinking water that second year students of medicine of the Universidad Mayor de San Andres consume term 2017

INTRODUCCIÓN: El pH es una propiedad básica del agua potable y cuyos valores extremos pueden originar reacciones secundarias dañinas, entendiéndose por agua potable aquel que puede ser consumido sin restricción para el consumo humano, OBJETIVO: Determinar el valor del pH de agua potable que consumen los estudiantes de segundo año de la carrera de medicina de la Universidad Mayor de San Andrés (UMSA). MATERIAL Y MÉTODOS: Se analizaron 388 muestras de agua potable del domicilio de estudiantes regulares de segundo año cátedra de bioquímica entre los meses de julio y agosto del 2017, realizándose un estudio de tipo descriptivo con un enfoque transeccional. RESULTADOS: Se obtuvieron los siguientes resultados, 1) la media del pH total fue de 7,24; con x=7,22 en la ciudad de la Paz y x=7,28 en la ciudad de el Alto. 2) en cuanto al sistema de potabilización se obtuvo: x=7,34 en la planta el Alto, x=7,21 en la planta de Tilata, x=7,15 en la planta de Achachicala y de x=7,20 en la planta de Pampahasi. CONCLUSIONES: El pH del agua potable consumida se encontró dentro de parámetros establecidos con un valor medio de 7,24.

INTRODUCTION: The pH is a basic property of potable water and whose extreme values may cause harmful secondary reactions. It is understood that potable water can be consumed without any restriction by human beings. OBJECTIVE: To determine the pH value of potable water consumed by medicine students of second year at UMSA university. MATERIAL AND METHODS: 388 samples of potable water were analyzed which were taken from the homes of the second year students of the biochemistry department between July and August 2017, developing a descriptive study with a cross-sectional approach. RESULTS: The following results were obtained: 1) the average of the pH was 7.24; with x = 7.22 in La Paz city and x = 7.29 in El Alto city. 2) in relation to the drinking water was obtained: x=7.34 in El Alto plant, x=7.21 in Tilata plant, x=7.16 in Achachicala plant and x=7.21 in Pampahasi plant. CONCLUSION: The pH of the drinking water drunk is established within parameters with an average value of 7.24.

Risk and protective factors associated with youth violence among secondary school students in a nationally representative sample in Puerto Rico

During the past decade, youth violence has received increasing attention as a major public health issue in Puerto Rico as well as in the United States. This study sought to identify risk and protective factors of youth violence in a representative sample of school adolescents in Puerto Rico. Risk and protective factors were grouped into five domains: individual, family, peer group, school and community. From a total of 2,385 participants, 10.7 reported at least one violent behavior and 3.4 reported two or more violent behaviors. In multiple regression analysis the risk factors identified were male gender, junior grade students, having a favorable attitude towards antisocial behavior, use of ecstasy, involvement with antisocial peers and reporting antisocial parents. Participation in family decisions was the only protective factor associated with violence. Findings from this study could have important implications for the development of preventive programs for the adolescent population in Puerto Rico

Síndrome de Tolosa - Hunt en el embarazo / Tolosa-Hunt Syndrome in pregnancy

El síndrome de Tolosa-Hunt es una entidad neurológica que consiste en una oftalmoplejia dolorosa causada por una inflamación granulomatosa del seno cavernoso anterior. Se reporta un caso clínico de una paciente embarazada con esta rara enfermedad.

Tuberculosis mamaria / Breast tuberculosis

Objetivo: presentar tres casos de tuberculosis mamaria. Material y método: Se revisó las historias clínicas de tres pacientes con tuberculosis mamaria diagnosticados clínica e histopatológicamente en el Centro de Salud Progreso entre 1998 y 1999. resultados: Los tres casos fueron pacientes mujeres con edades entre 27 y 31 años. La tumoración era flogótica y de consistencia variada, sin adenopatía axilar. El diagnóstico de la biopsia fue proceso inflamatorio crónico granulomatoso consistente con etiología tuberculosa. Todas tuvieron evolución favorable postratamiento antituberculoso y quirúrgico. Conclusión: comunicamos tres casos de tuberculosis mamaria donde no se objetiva afectación extramamaria.

El ambiente interno y externo del adolescente puertorriqueño en el uso del alcohol, las drogas y la violencia / Internal and external environment of the Puerto Rican adolescent in the use of alcohol, drugs and violence

PURPOSE: Identify risk factors associated to violent behavior among adolescent students. METHODS: A survey was conducted using a two-staged stratified cluster sampling design. It represents all junior and high school students of Puerto Rico. Students from 117 schools were administered an anonymous questionnaire. RESULTS: Alcohol use was reported by 78.7 of students, and 14 reported illegal drug use. About 25 committed one violent act during the previous year, and 22 committed two acts or more. Drug use, alcohol use, not getting along with their parents, being a male, school failure and drug use by siblings were identified as risk factors for violent behavior. Church attendance was identified as a protective factor. DISCUSSION: Primary physicians can play an important role in violence prevention through early identification of family violence

HIV/AIDS risk factors among adolescent students in Puerto Rico, 1994

PURPOSE: Identify several HIV risk behaviors among adolescent students. METHODS: The sample (n = 3,648) was selected using a two-staged stratified cluster sampling design, and weighted to represent all junior high and high school students. RESULTS: About 28.8 of the students reported ever having sexual activity. Less than half of the sexually active (44.5) used condoms during their last sexual activity; 27.6 used them always. Only 54.7 knew correctly > 75 of the HIV knowledge questions. A HIV risk scale was constructed using five risk factors. About 15.9 of the students did not have any risk factor, 36.2 had one, 47.9 had two or more. Males and high school students had significantly more risk factors. Half of the students will abstain from having sex next year because they don't want to get HIV/AIDS. CONCLUSIONS: It is important to implement effective HIV prevention programs for adolescents in order to change their attitudes and behaviors

Profile of a population using a primary health care center in Puerto Rico

PURPOSE: To describe the services delivered by the Family Medicine Physicians at a Community Health Center. METHODS: All information from patient visits during the natural year 1996 were registered using a commercialized computer program. The information was gathered by different means: initial interview, physician's report, records, and personal interviews. RESULTS: A total of 13,203 visits were registered; this represent a total of 4,493 patients. Most of the patients were women, and with a mean age of 38. As expected, most of the patients have Medicaid. The most common conditions seen were hypertension, diabetes, and respiratory diseases. The mean number of visits during the year for almost all conditions was three. Most of the children and adolescents visit the Center due to respiratory conditions, while adults come due to hypertension, diabetes, and musculoskeletal conditions

El condicionamiento operante en biorretroalimentacion. / The operant conditioning in biofeedback

En el presente estudio, se hace notar la importancia del condicionamiento operante en el campo de la biorretroalimentacion como tambien en el control de las respuestas del sistema nervioso central y autonomo. Se presenta una vision resumida de los estudios realizados sobre la respuesta galvanica de la piel, la actividad vascular periferal y el ritmo cardiaco con el proposito de reforzar una respuesta. Se plantean los problemas metodologicos encontrados sobre todo los relacionados con la mediacion somatica y cognoscitiva