[Use of modern classification systems for complex diagnostics of Alzheimer's disease].

Objective: To compare the content of β-amyloid (Aβ) peptides Aβ40, Aβ42, total and threonine phosphorylated 181 tau-protein in cerebrospinal fluid (CSF) of patients with the clinical diagnosis of Alzheimer's disease (AD).

Material And Methods: The study was performed on 64 patients with a diagnosis of dementia and MMSE scores of 24 or lower. All patients underwent lumbar puncture.

Stress, Asthenia, and Cognitive Disorders.

Asthenia is a clinical syndrome that can be manifest in almost all somatic, infectious, and neurological diseases. Initially a protective mechanism indicating depletion of energy resources, asthenia can become a pathological and extremely disabling condition, and can even progress to an independent immune-mediated disease - chronic fatigue syndrome. Asthenia is often combined with affective and cognitive disorders, producing diagnostic difficulties.

[Stress, asthenia and cognitive disorders].

Asthenia is a clinical syndrome that nearly any somatic and neurological pathologies can manifest with. Being is essence a defense mechanism that signals the depletion of energy resources, asthenia can become a pathological, extremely disabling condition, and even transform into a nosology of its own - the chronic fatigue syndrome, an immune-mediated disease. Besides, asthenia is often combined with affective and cognitive disorders, which facilitates difficulties in the establishing of the primary diagnosis.

[Erectile dysfunction in Parkinson's disease].

Erectile dysfunction (ED) significantly deteriorates the quality of life of patients with Parkinson's disease (PD). Until recently, treatment of ED received insufficient attention. Management of ED in patients with PD requires an integrated and multidisciplinary approach.

[The efficacy and safety of naproxen in the treatment of nonspecific lumbalgia: the results of an open multi-center study (NEST)].

Aim: To assess the efficacy and safety of naproxen in patients with nonspecific low back pain.

Material And Methods: Ninety patients with nonspecific low back pain were enrolled in the study. Patients took 550 mg of naproxen twice a day.