Persistent headache and chronic daily headache after COVID-19: a prospective cohort study.

Background: Little is known about the frequency and impact of the persistent headache and about the incidence of chronic daily headache (CDH) after coronavirus disease 2019 (COVID-19). The aim of this prospective cohort study was to assess the incidence, risk factors, characteristics, and impact of CDH in patients with COVID-19.

Methods: In the first stage, 288 patients were interviewed by telephone after the acute phase of COVID-19.

Brazilian headache registry: methods and preliminary data of the pilot study.

Background: Evaluation and treatment of primary and secondary headaches is a global public health challenge. Recognizing the epidemiological impact of headaches, a group of researchers linked to the Brazilian Headache Society proposed the Brazilian Headache Registry and drew up its initial protocol.

Objective: Here we describe the methods and preliminary data obtained from the pilot study.

Acute headache attributed to ischemic stroke: assessment of its characteristics and associated factors.

Background: It is estimated that headache attributed to ischemic stroke occurs in 7.4% to 34% of the cases. Despite its frequency, this headache has been little studied in terms of its risk factors and characteristics.

Moonlighting and physician residents' compensation: is it all about money? A cross-sectional Brazilian study.

Background: Moonlighting is a largely discussed, however under-explored, subject among physician residents.

Objectives: To analyze the frequency of moonlighting and its related factors.

Design And Setting: This cross-sectional study enrolled medical residents from all geographical regions of Brazil.

Consensus of the Brazilian Headache Society (SBCe) for prophylactic treatment of episodic migraine: part II.

Background: Migraine affects 1 billion people worldwide and > 30 million Brazilians; besides, it is an underdiagnosed and undertreated disorder.

Objective: The need to disseminate knowledge about the prophylactic treatment of migraine is known, so the Brazilian Headache Society (SBCe, in the Portuguese acronym) appointed a committee of authors with the objective of establishing a consensus with recommendations on the prophylactic treatment of episodic migraine based on articles from the world literature as well as from personal experience.

Methods: Meetings were held entirely online, with the participation of 12 groups that reviewed and wrote about the pharmacological categories of drugs and, at the end, met to read and finish the document.