Universidade de Pernambuco

About: Universidade de Pernambuco is a education organization based out in Recife, Brazil. It is known for research contribution in the topics: Population & Medicine. The organization has 6147 authors who have published 6948 publications receiving 73648 citations.

Vascular effects of isometric handgrip training in hypertensives.

Abstract: The isometric handgrip training (IHT) has been emerging as an alternative approach for blood pressure (BP) reduction in hypertensive patients. However, the mechanisms underlying the reductions in B...

An Initial Study on the Bug Report Duplication Problem

Abstract: According to recent work, duplicate bug report entries in bug tracking systems impact negatively on software maintenance and evolution productivity due to, among other factors, the increased time spent on report analysis and validation, what in some cases take over 20 minutes. Therefore, a considerable amount of time is lost mainly with duplicate bug report analysis. This work presents an initial characterization study using data from bug trackers from private and open source projects, in order to understand the possible factors that cause bug report duplication and its impact on software development.

[Alcohol consumption by public school students in Greater Metropolitan Recife, Pernambuco State, Brazil].

Abstract: This study analyzes alcohol consumption and health risk behaviors in adolescents, using a cross-sectional, population-based, epidemiological design from April to September 2006, within a sample stratified according to school size and shift Using the Portuguese version of the Global School-Based Student Health Survey questionnaire, 1,878 students from 29 public schools in Greater Metropolitan Recife, Pernambuco State, Brazil, were analyzed by age, gender, alcohol consumption, lifetime history of intoxication, and negative consequences Alcohol consumption in the previous 30 days was 298% Adolescents reported easy acquisition of alcoholic beverages from commercial establishments and in social settings Lifetime history of intoxication was reported by 305% of the students Negative consequences were reported by 145% Knowledge of risk behaviors for alcohol consumption by adolescents can provide backing for appropriate public polices in health education

Shaping ability of XP-endo Shaper and ProTaper Next in long oval-shaped canals: a micro-computed tomography study.

Abstract: Aim To evaluate the shaping ability of the single-file XP-endo Shaper system (XP-S; FKG Dentaire, La Chaux-de-Fonds, Switzerland) employing a different working time and of the multiple-file ProTaper Next system (Dentsply Sirona, Ballaigues, Switzerland) using micro-computed tomography (micro-CT) technology. Methodology Twenty long oval-shaped canals in mandibular incisors were matched anatomically and scanned by micro-CT (Skyscan 1172; Bruker micro-CT, Kontich, Belgium). The canals were divided into two groups (n = 10) according to the canal preparation protocol: XP-endo Shaper (XP-S) with an extra 45 s of instrumentation and ProTaper Next (PTN X4). The images recorded before and after preparation were evaluated for morphometric measures of volume, surface area, structure model index and untouched walls. The data were compared statistically (Student's t-test for homogenous variances and Mann-Whitney test) between the two groups (XP-S and PTN X4) at α = 5%. Results Root canal preparation significantly increased all parameters (volume, surface area, structure model index and untouched walls) tested in each group (P 0.05) in the percentage increase of volume (107.50%-93.13%), surface area (27.74%-29.68%) or untouched canal wall (13.08%-11.74%) between XP-S and PTN X4, respectively. Conclusions The XP-endo Shaper system (single-file) with an extra 45 s of instrumentation and the ProTaper Next system (multiple files) had a similar root canal shaping ability. Neither technique was able to fully prepare the long oval-shaped canals of mandibular incisors.