Neurosensory deficits after myocardial infarction

Area of Science:

• Neuroscience
• Otolaryngology
• Cardiology

Background:

• Cardiovascular diseases are prevalent and frequently linked to brain lesions affecting the vestibular system.
• Vestibular system dysfunctions are a common complication of cardiovascular events.

Purpose of the Study:

• To investigate neurootological functional changes in patients following myocardial infarction.
• To compare vestibular and acoustic symptoms in patients with recent versus older myocardial infarctions.

Main Methods:

• Two patient groups were compared: Group A (recent myocardial infarction, within 1 year) and Group B (older myocardial infarction, >1 year).
• Neurootometric assessments included vertigo symptom evaluation, acoustic symptom reporting (tinnitus, hearing loss), butterfly calorigrams, stepping-test craniocorpography (CCG), and bone conduction audiometry.

Main Results:

• Group A reported an average of 1.48 vertigo symptoms per patient, while Group B reported 2.02.
• Tinnitus and hearing loss prevalence was similar between groups (around 45-58%).
• Abnormal neurootometric findings were frequent in both groups, with higher rates of abnormal bone conduction audiometry in Group A.

Conclusions:

• Myocardial infarction impacts neurootological function, with varying symptom and audiological profiles based on time since infarction.
• Further research is needed to understand the mechanisms linking cardiovascular events to vestibular dysfunction.