Publications by authors named "N J Alvis-Zakzuk"

Introduction: Invasive pneumococcal disease (IPD) remains a pediatric health challenge despite national vaccination efforts in Colombia. We described the socio-demographic, epidemiological, and clinical characteristics of children (<18 years of age) with IPD at a pediatric reference center in Bolívar, Colombia.

Methods: Descriptive cross-sectional study of all pediatric patients (under 18 years of age) diagnosed with IPD between 2016 and 2023.

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Purpose: To analyze the costs of high thromboembolic risk patients who require low molecular weight heparins (LMWHs) as a thromboprophylaxis strategy.

Methods: Cost analysis was conducted to assess LMWHs (enoxaparin versus comparators: nadroparin and dalteparin) as thromboprophylaxis for hospitalized patients with high thromboembolic risk in Oncology, General or Orthopedic Surgery, and Internal Medicine services from the healthcare provider's perspective in Colombia. A decision tree was developed, and the health outcomes considered in the analysis were deep vein thrombosis, major bleeding, pulmonary thromboembolism, and chronic pulmonary hypertension.

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Background: Alopecia areata (AA) is an autoimmune disease characterized by non-scaring hair loss and preservation of hair follicles. The information available on disease course, and clinical features of AA is scarce worldwide, and almost nonexistent in Colombia.

Objective: To determine the clinical and sociodemographic characteristics of patients diagnosed with AA who presented to a dermatology consultation in five Colombian cities.

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Objective: To estimate the economic burden associated with COVID-19 in Córdoba, Colombia, 2020 and 2021.

Methods: Economic burden study. Direct costs were analyzed from the third-party payer perspective using healthcare administrative databases and interviews from a cohort of confirmed COVID-19 cases from Córdoba.

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Objective: To estimate the baseline to measure one of the three indicators of the World Health Organization (WHO) End TB strategy (2015-2035), measure the costs incurred by patients affected by tuberculosis (TB) during a treatment episode and estimate the proportion of households facing catastrophic costs (CC) and associated risk factors, in Colombia, 2021.

Material And Methods: A nationally representative cross-sectional survey was conducted among participants on TB treatment in Colombia, using telephone interviews due to the exceptional context of the COVID-19 pandemic. The survey collected household costs (direct [medical and non-medical out-of-pocket expenses] and indirect) over an episode of TB, loss of time, coping measures, self-reported income, and asset ownership.

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