Publications by authors named "J G Valdovinos"

Article Synopsis
  • The study aimed to assess the prevalence of long COVID and its effects on farmworkers in California, focusing on a sample of 297 individuals between February and July 2022.
  • Findings revealed that 61.8% of farmworkers with a suspected or confirmed COVID-19 infection experienced long COVID symptoms lasting more than 28 days, with affected individuals showing higher body mass index (BMI) and inflammatory markers.
  • The research underscored the need for tailored support for farmworkers experiencing long COVID, highlighting their persistent health issues that hinder their work capabilities in this essential industry.
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Wave intensity analysis (WIA) as a framework to assess cardiovascular hemodynamics has been successfully used in many clinical applications. Typically, wave intensity calculations require the simultaneous acquisition of blood velocity and blood pressure at the same vascular site. Unfortunately, many hemodynamic parameters that are used to monitor pre-operative patient hemodynamic state use both invasively acquired blood pressure measurements in catheterization laboratory and non-invasively acquired blood velocity measurements.

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Single ventricle hearts palliated with the Fontan operation present complications later in life as a result of increased venous pressures and abnormal ventricle function. Wave intensity analysis uses measurements of blood velocity and pressure to represent arterial hemodynamics as summations of energy waves. This methodology could potentially be a useful tool in assessment of Fontan patients.

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Heart failure (HF) affects approximately 12,000-35,000 children each year in the United States. The development of blood pumps has provided circulatory support for many adults suffering with HF until they receive a heart transplant. However, while the development of blood pumps for adults has led to fullyimplantable continuous flow devices, blood pump technology for children has lagged significantly behind.

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Background: Models of power delivery within an intact organism have been limited to ionizing radiation and, to some extent, sound and magnetic waves for diagnostic purposes. Traditional electrical power delivery within the intact human body relies on implanted batteries that limit the amount and duration of delivered power. The efficiency of current battery technology limits the substantial demands required, such as continuous operation of an implantable artificial heart pump within a human body.

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