Publications by authors named "Stephano St Preux"

Neighborhood factors have been associated with health outcomes, but this relationship is underexplored in low-income countries like Haiti. We describe perceived neighborhood cohesion and perceived violence using the Neighborhood Collective Efficacy and the City Stress Inventory scores. We hypothesized lower cohesion and higher violence were associated with higher stress, depression, and hypertension.

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Background: Hypertension (HTN) is the leading cardiovascular disease (CVD) risk factor in Haiti and is likely driven by poverty-related social and dietary factors. Salt consumption in Haiti is hypothesized to be high but has never been rigorously quantified.

Methods: We used spot urine samples from a subset of participants in the population-based Haiti Cardiovascular Disease Cohort to estimate population mean daily sodium intake.

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Background: Multidrug therapy is a World Health Organization "best buy" for the prevention and control of noncommunicable diseases. CVD polypills, including ≥2 blood pressure medications, and a statin with or without aspirin, are an effective, scalable strategy to close the treatment gap that exists in many low- and middle-income countries, including Haiti. We estimated the number of Haitian adults eligible for an atherosclerotic CVD (ASCVD) polypill, and the number of potentially preventable CVD events if polypills were implemented nationally.

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Article Synopsis
  • * The study found that factors such as age, income, and sex are associated with higher obesity rates, with women experiencing a much greater prevalence—89.2% of those classified as obese were women, and 68.3% of women had abdominal obesity.
  • * Findings suggest a critical need for targeted interventions in Haiti, especially for women, as they face a six-fold higher obesity risk compared to men, exacerbating health vulnerabilities in the population.
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Haiti is a low-income country whose population lives under repeated and chronic stress from multiple natural disasters, civil unrest, and extreme poverty. Stress has been associated with cardiovascular (CVD) risk factors including hypertension, and the impact of stress on blood pressure may be moderated by support. The distribution of stress, support, and their association with blood pressure has not been well described in low-income countries.

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Background: Cardiovascular diseases (CVD) are rapidly increasing in low-middle income countries (LMICs). Accurate risk assessment is essential to reduce premature CVD by targeting primary prevention and risk factor treatment among high-risk groups. Available CVD risk prediction models are built on predominantly Caucasian risk profiles from high-income country populations, and have not been evaluated in LMIC populations.

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  • Diabetes is a growing concern in low- and middle-income countries, and a study was conducted to assess its prevalence among adults in Port-au-Prince, Haiti, due to limited local data.
  • The study involved 3,005 adults aged 18 and older, collecting data on demographics, health behaviors, and clinical evaluations to identify diabetes prevalence and its associated factors.
  • Findings showed a diabetes prevalence of 5.4%, with older age and higher body mass index (BMI) being significant risk factors, indicating the need for improved healthcare measures targeting these vulnerable groups in Haiti.
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  • * A study of low-income adults in Port-au-Prince revealed that less than 1% met fruit and vegetable intake recommendations, with high consumption of fried foods and sugar-sweetened beverages, particularly among young males.
  • * The findings highlight the urgent need for public health initiatives aimed at improving dietary habits, especially targeting young men and those who cook at home, to combat rising health issues linked to poor diets.
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Cardiovascular disease (CVD) is the number one cause of death in low-income countries including Haiti, with hypertension (HTN) being the leading risk factor. This study aims to identify gaps in the HTN continuum of screening, diagnosis, treatment, and blood pressure (BP) control. Sociodemographic and clinical data were collected from a population-based sample of adults ≥18 years in Port-au-Prince (PAP) from March 2019 to April 2021.

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Cardiovascular disease is the leading cause of death in lower-income countries including Haiti. Environmental lead exposure is associated with high blood pressure and cardiovascular mortality in high-income countries but has not been systematically measured and evaluated as a potential modifiable cardiovascular risk factor in lower-income countries where 6.5 billion people reside.

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Background: People living with HIV (PLWH) are at increased risk of cardiovascular disease (CVD) and death, with greater burdens of both HIV and CVD in lower-middle income countries. Treating prehypertension in PLWH may reduce progression to hypertension, CVD risk and potentially mortality. However, no trial has evaluated earlier blood pressure treatment for PLWH.

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Background: Cardiovascular disease (CVD) is the leading cause of mortality among Haitians, having surpassed HIV in the last decade. Understanding the natural history of CVD in Haitians, including the age of onset, prevalence, incidence, and role of major risk factors and social determinants, is urgently needed to develop prevention and treatment interventions. Aim 1: Establish a population-based cohort of 3000 adults from Port-au-Prince and assess the prevalence of CVD risk factors and diseases and their association with social and environmental determinants.

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