The frequency of complications in a cohort of patients diagnosed with hemophilia A and hemophilia B receiving prophylactic treatment in Colombia: A retrospective noninterventional study.

Introduction: Hemophilia A and B are disorders associated with the deficit of coagulation factors VIII and IX.

Objective: Was to determine the incidence of complications in a cohort of patients diagnosed with moderate and severe hemophilia A or B under treatment in a specialized institution.

Methods: A retrospective study of a cohort of patients with replacement therapy for hemophilia A or B, evaluating treatment and complications between January/2012 and July/2019.

Incidence and factors related to SARS-CoV-2 infection in a cohort of patients with rheumatoid arthritis from a health service provider in Colombia during the COVID-19 pandemic.

Background: Patients with rheumatoid arthritis (RA) have an increased risk of SARS-CoV-2 infection due to intrinsic characteristics of the pathology and the medications used to treat it. The aim was to evaluate the incidence of and factors related to SARS-CoV-2 infection in patients with RA in Colombia.

Methods: This was an observational study of patients diagnosed with RA who were treated at a health care institution in Colombia.

Human visceral leishmaniasis prevalence by different diagnostic methods in Latin America: a systematic review and meta-analysis.

Visceral leishmaniasis is a neglected zoonotic disease that affects animals and humans in different tropical and subtropical regions and even beyond, with variable prevalence among infected hosts. To date, there have been no systematic reviews on human visceral leishmaniasis prevalence in Latin America. We therefore performed a systematic literature review with meta-analysis, using six databases to assess prevalence of visceral leishmaniasis in human patients in Latin American countries.