Anthropometry, dietetic habits and sleepiness in Ecuadorian adults

The reduction of hours of sleep affects the physical and mental health of people. Having unhealthy sleep habits are associated with a greater occurrence of daytime sleepiness, which in turn has been related to poorer nutritional status. The objective of this study was to relate food intake, anthropometric measurements, and daytime sleepiness in Ecuadorian adults. Non-experimental, cross-sectional study, the sample included 400 men and women between 18 and 65 years of age, who attended an outpatient consultation of general medicine, family medicine, and traumatology services of a public hospital in Quito-Ecuador. Anthropometric and body composition measurements were measured using tetrapolar bio-impedance, following the recommendations of the International Society for the Advancement of Anthropometry (ISAK). Caloric intake was measured using a 24-hour recall and for daytime sleepiness (DS) the Epworth questionnaire was used. Statistical analyzes were performed using R. From the sample 56.5% presented DS, which affected women more frequently compared to men (p < 0.05). Differences were found between body measurements and dietary intake between groups of people with and without DS. Caloric intake, waist circumference, percentage of fat mass were higher in people with DS (p < 0.05), while muscle mass was higher in subjects without DS (p <0.05). No differences were found concerning visceral fat. We conclude that SD is related to less healthy values in terms of dietary intake and anthropometric measures(AU)

La reducción de las horas de sueño afecta la salud física y mental de las personas. Tener hábitos de sueño poco saludables se asocia a una mayor ocurrencia de somnolencia diurna, lo que a su vez se ha relacionado con un peor Estado Nutricional. El objetivo de este estudio fue relacionar la ingesta de alimentos, las medidas antropométricas y la somnolencia diurna en adultos ecuatorianos. Estudio no experimental, transversal n=400 hombres y mujeres entre 18 y 65 años, que acudieron a consulta externa de los servicios de medicina general, medicina familiar y traumatología de un hospital público de Quito, Ecuador tomado como referencia. Se tomaron medidas antropométricas siguiendo las recomendaciones de la Sociedad Internacional para el Avance de la Antropometría (ISAK) y de composición corporal a través de la bioimpedancia tetrapolar. La ingesta calórica se midió mediante un recordatorio de 24 horas y para somnolencia diurna (SD)se utilizó el cuestionario de Epworth. Los análisis estadísticos se realizaron utilizando el software R. 56,5% de la muestra presenta SD, que afectó con mayor frecuencia a las mujeres en comparación con los hombres (p <0,05). Se encontraron diferencias entre las medidas corporales y la ingesta dietética entre grupos de personas con SD y sin ella. La ingesta calórica, la circunferencia de la cintura, el porcentaje de masa grasa fue mayor en personas con SD (p <0.05), mientras que la masa muscular fue mayor en sujetos sin SD (p <0.05). No se encontraron diferencias en relación con la grasa visceral. Concluimos que SD está relacionada con valores menos saludables en cuanto a ingesta dietética y medidas antropométricas(AU)

Estimated glomerular filtration rate, urine albumin excretion, and survival among patients consulting in public Chilean public primary care clinics.

Chronic renal disease (CRD) in its pre-dialysis stage is an important risk factor for mortality among adults. The aim of this study was to assess the effects of CRD on mortality among consultants in Chilean public primary care clinics. We obtained information about serum creatinine, urinary albumin excretion (UAE), blood pressure, and body mass index of 5224 consultants [3379 females aged 67 (59-75) years and 1845 males aged 68 (59-75) years] in three clinics of Metropolitan Santiago. Kaplan-Meier curves and Cox proportional hazard regression models were used to determine risk factors for mortality, determined 41 months after obtaining the blood samples. During the follow-up period, 262 patients died (33% due to circulatory causes and 29% due to tumors). Kaplan-Meier curves showed that there was a significant association between survival, estimated glomerular filtration rate, and UAE. Cox models showed that serum creatinine, UAE, a lower body mass index, and a history of diabetes were significant mortality predictors. A sensitivity analysis performed eliminating extreme ages (less than 50 and more than 80 years), included high diastolic pressure as a predictor of survival. We conclude that among patients with CRD in its pre-dialysis stage, UAE is an important predictor of survival, along with serum creatinine. A low body mass index was associated with a higher mortality.

Inhibitory effect of reserpine on dopamine transporter function.

Previous studies indicate that reserpine may disrupt dopamine transporter activity. Results presented herein reveal that it also inhibits potently synaptosomal [3H]dopamine uptake. In addition, reserpine administration to rats decreased the V(max) of synaptosomal dopamine transport, as assessed ex vivo 12 h after treatment. This decrease appeared, at least in part, dissociated from concurrent inhibition of the vesicular monoamine transporter-2 (VMAT-2). In separate experiments, synaptosomal dopamine uptake did not differ between wild-type and heterozygous VMAT-2 knockout mice, and reserpine treatment did not inhibit [3H]dopamine uptake into cells heterogously expressing the human dopamine transporter. Taken together, these data suggest that reserpine may transiently alter dopamine transporter function in a noncompetitive, indirect manner.

Methylphenidate redistributes vesicular monoamine transporter-2: role of dopamine receptors.

It is well accepted that methylphenidate (MPD) inhibits dopamine (DA) transporter function. In addition to this effect, this study demonstrates that MPD increases vesicular [3H]DA uptake and binding of the vesicular monoamine transporter-2 (VMAT-2) ligand dihydrotetrabenazine (DHTBZ) in a dose- and time-dependent manner in purified striatal vesicles prepared from treated rats. This change did not result from residual MPD introduced by the original in vivo treatment, because application of MPD in vitro (< or =1 miccrom) was without effect, and higher concentrations decreased vesicular [3H]DA uptake. In addition, MPD treatment increased and decreased VMAT-2 immunoreactivity in striatal vesicle subcellular and plasmalemmal membrane fractions, respectively. The MPD-induced increase in both VMAT-2 immunoreactivity and DHTBZ binding was attenuated by pretreatment in vivo with either the DA D(1) receptor antagonist SCH23390 or the DA D2 receptor antagonist eticlopride. Coadministration of these antagonists in vivo inhibited completely the MPD-induced increase in DHTBZ binding in the purified vesicular preparation. These observations suggest a role for DA in the MPD-induced redistribution of VMAT-2. The implications of this phenomenon will be discussed.

Tétanos complicado con hipercalcemia: reporte de un caso / Tetanus complicated with hypercalcemia: a case report

Antecedentes: el tétanos es una enfermedad cada vez menos frecuente y con mejor pronóstico. Sin embargo, la supervivencia de estos pacientes nos enfrenta a nuevas complicaciones. Objetivo: reporta un caso de tétanos que, además de las complicaciones pulmonares esperadas, desarrolló hipercalcemia relacionada con la inmovilización prolongada. Material y métodos: ingresó un paciente con herida punzocortante en el antebrazo; se manejó con sedación, relajación muscular, antibióticos, apoyo ventilatorio mecánico, insulina y nutrición parenteral. Resultados: egresó a los 128 días de hospitalización y permaneció en programa de diálisis peritoneal continua ambulatoria (DPCA) y rehabilitación física. Conclusiones: en la actualidad, los pacientes con diagnóstico de tétanos severo pueden recibir apoyo multisistémico, por lo cual las complicaciones relacionadas tienen una mejor evolución y disminuye la mortalidad. Ahora se deben enfrentar otras complicaciones que repercuten en el pronóstico de estos pacientes