A comprehensive model for assessing and classifying patients with thrombotic microangiopathy: the TMA-INSIGHT score.

Background: Thrombotic Microangiopathy (TMA) is a syndrome characterized by the presence of anemia, thrombocytopenia and organ damage and has multiple etiologies. The primary aim is to develop an algorithm to classify TMA (TMA-INSIGHT score).

Methods: This was a single-center retrospective cohort study including hospitalized patients with TMA at a single center.

Impact of the COVID-19 Pandemic on Solid Organ Transplant and Rejection Episodes in Brazil's Unified Healthcare System.

Background: Brazil has the world's largest public organ transplant program, which was severely affected by the COVID-19 pandemic. The primary aim of the study was to evaluate differences in solid organ transplants and rejection episodes during the COVID-19 pandemic compared to the five years before the pandemic in the country.

Methods: A seven-year database was built by downloading data from the DATASUS server.