Publications by authors named "Oscar Ovalle-Luna"

The Dengue (DENV), Zika (ZIKV), and Chikungunya (CHIKV) virus infections have been linked to Guillain-Barré syndrome (GBS). GBS has an estimated lethality of 4% to 8%, even with effective treatment. Mexico is considered a hyperendemic country for DENV due to the circulation of four serotypes, and the ZIKV and CHIKV viruses have also been circulating in the country.

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Background: The Mexican Institute of Social Security (IMSS) is the largest health care provider in Mexico, covering about 48% of the Mexican population. In this report, we describe the epidemiological patterns related to confirmed cases, hospitalizations, intubations, and in-hospital mortality due to COVID-19 and associated factors, during five epidemic waves recorded in the IMSS surveillance system.

Methods: We analyzed COVID-19 laboratory-confirmed cases from the Online Epidemiological Surveillance System (SINOLAVE) from March 29th, 2020, to August 27th, 2022.

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Introduction: The prevalence of chronic complications and comorbidities in patients with type 2 diabetes (T2D) has increased worldwide.

Objective: To compare the prevalence of complications and chronic comorbidities in patients with T2D at 36 family medicine units of five chapters of the Mexican Institute of Social Security (IMSS).

Method: Complications (hypoglycemia, diabetic foot, kidney disease, retinopathy, ischemic heart disease, cerebrovascular disease and heart failure) and comorbidities (liver disease, cancer and anemia) were identified according to codes of the International Classification of Diseases, 10 Revision.

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Background: Infections associated with health care, previously known as nosocomial infections, constitute one of the main causes of morbidity and mortality in hospital. The aim of this study is to estimate the lethality of HAI, as well as the risk of dying from HAI versus mortality by other causes.

Methods: We analyzed the historical cohort of IAAS of the Epidemiology service of a tertiary-level hospital, from 2012 to 2017.

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Introduction: Attitudes of health professionals are based on their conditions and personal life experiences about life and death and are part of their professional behavior. Medical training relies mainly on physical-biological sciences and, to a lesser extent, on social-medical aspects, thus forming the physician's concept about death. These concepts may present themselves as a result of culture and as factors that model or limit the cognitive development of the physicians.

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