A web-based survey to map the electromyography practice in Brazil

Area of Science:

• Neurology
• Clinical Neurophysiology
• Medical Practice Analysis

Background:

• Electromyography (EMG) practice data in Brazil is scarce.
• Understanding EMG provider distribution and qualifications is crucial for healthcare planning.

Purpose of the Study:

• To map the geographical distribution of electromyography (EMG) services in Brazil.
• To assess the professional and academic credentials of electromyographers.
• To identify regional disparities in EMG practice.

Main Methods:

• An internet-based survey of active electromyographers in Brazil.
• Screening of health insurance websites, professional academies, and search engines.
• Evaluation of electromyographer credentials via the Brazilian Federal Medical Board (BFMB) and CNPq.
• Comparison with a control group of non-EMG neurologists.

Main Results:

• 469 electromyographers identified (384 neurologists, 85 non-neurologists), predominantly male.
• 81.9% were BFMB-certified neurologists; 49.9% were BFMB-certified clinical neurophysiologists.
• Highest electromyographer density, adjusted for population, found in the Federal District, Mato Grosso do Sul, and Goiás.
• Most practitioners located in Southern and Southeastern Brazil; no increased academic affiliation noted.

Conclusions:

• Electromyography in Brazil is predominantly performed by neurologists, with nearly half certified as clinical neurophysiologists.
• Significant regional disparities in electromyography practice exist across Brazil.
• Findings can inform public health policies for diagnosing conditions like leprosy and managing neuromuscular disorders.