Errores de registro en las mediciones de presión arterial realizadas en dos centros de atención primaria de la salud de la ciudad de Salta, Argentina / Innacuracy in records of blood pressure measurements in two primary health centers of Salta City, Argentine

RESUMEN Introducción: El diagnóstico de hipertensión arterial (HTA) se realiza por la toma de la presión arterial (PA) en el consultorio médico (C) o en enfermería (E). Es frecuente aproximar los valores obtenidos a múltiplos de 10. Esto puede causar imprecisiones en el diagnóstico y el control de la HTA. Objetivo: Determinar cuántos registros de PA terminaban en cero en las mediciones realizadas en E y en C en dos centros de atención primaria de la salud de la ciudad de Salta. Material y métodos: Se efectuó un estudio descriptivo, transversal, de febrero a diciembre de 2018. Se utilizó un tensiómetro digital. A cada paciente se le midió la PA dos veces, primero en E y luego en C. Se utilizaron las pruebas de Chi2 y de Wilcoxon. Resultados: Se estudiaron 311 individuos, 60,77% mujeres. Edad media: 56,15 ± 13,8 años. Los registros terminados en cero tuvieron las siguientes frecuencias: PA sistólica en E: 36%; PA diastólica en E: 40,51%; PA sistólica en C: 11,58%; PA diastólica en C: 7,72% (p <0,0001). La PA sistólica y diastólica terminaron simultáneamente en cero en el 30,87% de los casos cuando se midieron en E y en el 0,64% de los casos cuando se midieron en C (p <0,0001). Conclusiones: La PA sistólica y la PA diastólica terminaron en cero con una frecuencia 3 y 5 veces mayor en E que en C, respectivamente, y la frecuencia de registros de PA sistólica y diastólica coincidentemente terminados en cero fue 48 veces mayor en E que en C. Estos resultados refuerzan la necesidad de una capacitación permanente para mejorar el registro en la medición de la PA.

ABSTRACT Background: The diagnosis of hypertension is established by blood pressure (BP) measurements in doctor (DO) or nursing offices (NO). Frecuently BP measurements are recorded as multiples of ten. This can lead to inaccuracy in diagnosis and control of hypertension. Objetive: To determine the percentage of BP measurements ending in zero in DO and NO, in the records of two health primary centers of Salta city. Methods: Observational study from february to december of 2018. Digital blood pressure monitor was used. Each patient BP was measured twice, first in NO and then in DO. Data were analyzed using the Chi2 and Wilcoxon tests. Results: 311 indivuals were enrolled, 60,77% were female. The average age was 56,15 ± 13,8 years. In NO the systolic BP and diastolic BP ending in zero were 36 and 40,51% respectively, while in DO were 11,58 and 7,72% (p <0,0001). The systolic BP and diastolic BP ending in zero simultaneously in NO was 30,87%, while in DO was 0,64% (p <0,0001). Conclusions: The systolic BP and the diastolic BP records ending in zero were three and five times more frequent in NO than in DO. The systolic BP and diastolic BP ending in zero simultaneously in NO were forty-eight times more frequent than in DO. These results reinforce the need of health personnel permanent training to improve precision for measuring and recording BP in medical centers.

Efeito da suplementação dietética de arginina na cicatrização das anastomoses colônicas em ratos / Effects of oral arginine supplementation on the healing of colonic anastomoses in rats

RACIONAL: A arginina, aminoácido condicionalmente essencial, participa de diversos processos fisiológicos, em particular na cicatrização e na função imune.OBJETIVO: Avaliar o efeito da suplementação por via oral da arginina na cicatrização colônica em ratos.MÉTODO: Foram utilizados 47 ratos Wistar machos, adultos, com peso médio de 345,45 ± 8,35g, alocados em gaiolas coletivas em grupos cinco ou seis animais. Todos receberam água e ração ad libitum, pesados a cada dois dias e randomizados para receberem por gavagem suplementação com arginina a 10% (grupo ARG) ou solução de aminoácidos a 10% (grupo AA) de forma isovolumétrica, isocalórica e isonitrogenada (1,5 g/kg/dia) por sete dias antes do procedimento operatório e quatro após. Um terceiro grupo recebeu solução salina isotônica (grupo SSI), isovolumetricamente. Os ratos foram submetidos a duas colônicas término-terminais confeccionadas 3 cm distais à válvula ileocecal e outra 5 cm distais à primeira, em plano único com fio monofilamentar de nylon 5-0, e foram sacrificados no 5º dia de pós-operatório Neste dia, as duas anastomoses foram ressecadas, sendo uma conservada em solução salina para medidas de tração e a outra enviada à anatomia patológica, para análise do colágeno (total, maduro e imaturo), e imunoistoquímica para a pesquisa de miofibroblastos e neovascularização. Foi avaliado o peso corpóreo ao longo do experimento. A análise estatística foi realizada com os testes t de Student e de Mann-Whitney.RESULTADOS: A comparação referente ao peso nos três grupos não evidenciou diferença significativa nos pesos iniciais, mas foi observada diferença entre os finais nos grupos SSI e AA (324,7g vs. 298g, P=0,04)...

BACKGROUND: Arginine, a conditionally essential amino acid, participates in various physiological processes, particularly in wound healing and immune function.AIM: To evaluate the effect of oral supplementation of arginine on colonic healing in rats.METHODS: Forty-seven male adult Wistar rats, with an average weight of 345.45 ± 8.35 g were used. They were placed in collective cages in groups five or six animals. All received water and food ad libitum, were weighed every two days and randomized to receive supplementation by gavage with a 10% arginine solution (ARG group) or an isovolumetric, isocaloric and isonitrogenous (1, 5 g / kg / day) 10% amino acids solution (group AA) for seven days before the procedure and four after surgery. A third group received isovolumetric isotonic saline solution (group SSI). All rats were subjected to two end to end colonic anastomoses, one 3 cm distal to the ileocecal valve and another 5 cm distal from the first, in a single layer with monofilamentar nylon 5-0, and were sacrificed at 5 days post-surgery. At sacrifice, both anastomoses were resected, one was kept in a saline solution for traction measurements while the other was sent to pathology for analysis of collagen (total, mature and immature) and immunohistochemistry for the detection of myofibroblasts and neovascularization. We evaluated the body weight throughout the experiment. Statistical analysis was performed using the Student t test and Mann-Whitney test.RESULTS: The comparison of body weight in the three groups showed no significant difference in initial weights, but a difference was observed between the groups SSI and AA in final weight (324.7 g vs. 298g, P = 0.04). The tension strength was significantly higher in the AA group as compared to SSI (0.94 kgf / cm ² vs. 0.67 kgf / cm ², P = 0.04) but not when compared to the ARG group (0.94 kgf / cm ² vs. 0.70 kgf / cm ², P = 0.09)...

Amount of polymerization shrinkage and shrinkage stress in composites and compomers for posterior restoration / 대한치과보존학회지

The purpose of present study was to evaluate the polymerization shrinkage stress and amount of linear shrinkage of composites and compomers for posterior restoration. For this purpose, linear polymerization shrinkage and polymerization stress were measured. For linear polymerization shrinklage and polymerization stress measurement, custom made Linometer (R&B, Daejon, Korea) and Stress measuring machine was used (R&B, Daejon, Korea). Compositers and compomers were evaluated; Dyract AP (Dentsply Detrey, Gumbh. German) Z100 (3M Dental Products, St. Paul, USA) Surefil (Dentsply Caulk, Milford, USA) Pyramid(Bisco, Schaumburg, USA) Synergy Compact (Coltene, Altstatten, Switzerland), Heliomolar (Vivadent/Ivoclar, Liechtenstein), and Compoglass (Vivadent Ivoclar/Liechtenstein) were used. 15 measurements were made for each material. Linear polymerization shrinkage or polymerization stress for each material was compared with one way ANOVA with Tukey at 95% levels of confidence. For linear shrinkage; Heliomolar, Surefil