[Dementia and Mild Cognitive Impairment: An Overview].

Area of Science:

• Neurology
• Neurosurgery
• Public Health

Background:

• Dementia and mild cognitive impairment (MCI) are prevalent clinical syndromes, particularly in aging societies.
• Japan's demographic shift highlights the urgent need to address cognitive decline in older adults.
• Cognitive impairment poses significant challenges in clinical neurology and neurosurgery.

Purpose of the Study:

• To provide a comprehensive overview of dementia and MCI.
• To focus on key aspects including epidemiology, definition, etiology, progression, diagnosis, and treatment.
• To offer practical insights for neurosurgeons and specialists caring for patients with cognitive impairment.

Main Methods:

• This study is a review article.
• It synthesizes existing literature on dementia and MCI.
• The review covers epidemiology, etiology, diagnosis, treatment, and support.

Main Results:

• The review details the epidemiology and definitions of dementia and MCI.
• It explores various etiologies and disease progression patterns.
• Current diagnostic and treatment strategies, along with post-diagnostic support, are discussed.

Conclusions:

• Addressing cognitive decline in aging populations is a critical public health concern.
• This review provides essential information for clinicians managing dementia and MCI.
• Practical insights are offered to enhance care for patients with cognitive impairment.