Jorge Rey de Castro

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OBJECTIVE To evaluate the relationship that tiredness and sleepiness in bus drivers have to road accidents in Peru. Information from various countries indicates that driver sleepiness plays an important role in road accidents. However, there is only limited information on this subject in Peru. METHODS Using a supervised, pretested survey, a(More)
OBJECTIVE To validate the BREAS SC20 (Breas Medical AB, Mölnlyke, Sweden) polygraphic screening device, comparing it with conventional polysomnography (PSG), in the diagnosis of sleep apnea-hypopnea syndrome. A validity study of the diagnostic test was carried out at the sleep clinic of a tertiary hospital. PATIENTS AND METHODS Seventy patients clinically(More)
Background. Sleep duration, either short or long, has been associated with diseases such as obesity, type-2 diabetes and cardiovascular diseases. Characterizing the prevalence and patterns of sleep duration at the population-level, especially in resource-constrained settings, will provide informative evidence on a potentially modifiable risk factor. The aim(More)
INTRODUCTION Sleepiness in students has an impact on their learning, focus and memory. Sleepiness is caused by multiple factors. Therefore, our objective was to estimate the frequency of sleepiness in Peruvian students and assess its relation to lifestyle and sleep habits. METHODS Cross-sectional study conducted on first through fifth year secondary(More)
The information indicates that the traffic accidents caused by bus drivers' sleepiness or tiredness are frequent in our country. A driver that falls asleep while driving cannot perform evasive maneuvers in order to avoid crashes or getting off the track, being the result of this kind of accidents a great number of victims and infrastructure destruction. In(More)
OBJECTIVES To compare the levels of fatigue, sleepiness and their consequences between formal and informal drivers of interprovincial buses. To evaluate labor conditions between both study groups. MATERIALS AND METHODS A comparative cross-sectional study was performed with non-probabilistic sampling. 100 companies of land transport were included, out of(More)
In order to determine sleep habits in bus drivers and their relationship to accidents in the city of Arequipa, Peru, a cross-sectional descriptive study was conducted in a non-probabilistic sample of 166 drivers. Driving hours per day were 9.4 ± 3.7. 54% (89) drive over 4 hours without stopping; 74% (123) drive at night; and 87% (145) sleep on the bus. 75%(More)
The available information indicates that up to one third of the road traffic accidents are produced by the driver's sleepiness. Sleep apnea-hypopnea syndrome (SAHS) is an organic disease that causes sleepiness. It can be diagnosed by a sleep register and can be controlled by different therapeutic means, varying their complexity according to its severity,(More)
STUDY OBJECTIVES By measuring the apnea length, ventilatory phase, respiratory cycle length, and loop gain, we can further characterize the central apneas of high altitude (CAHA). METHODS Sixty-three drivers of all-terrain vehicles, working in a Peruvian mine located at 2,020 meters above sea level (MASL), were evaluated. A respiratory polygraph was(More)
Restless legs syndrome is a disorder associated with the imperative need to move the legs, starting at different times of day and it gets worse at night, relieved by activity, affecting the quality of life and sleep who sufferers it. Despite being a common disorder at any age, in adults with a prevalence of up to 10%, is not diagnosed by doctors and first(More)