Zhurnal nevrologii i psikhiatrii imeni S.S. Korsakova · 2024
[Diseases of the nervous system as the underlying cause of death].
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Samorodskaya I V, Kakorina E P, Chernyavskaya T K, Kotov S V
Аннотация
OBJECTIVE: To identify the leading causes of death in the adult population from the class of diseases of the nervous system (DNS, class G) according to medical death certificates (MDC) and to discuss the problems of their assessment.
MATERIAL AND METHODS: The source of information was the electronic database of the Main Department of the Civil Registry Office of the Moscow Region. All cases of class G deaths were selected (total 10.739), an analysis was carried out according to underlying cause of death (UCD) codes and the immediate cause of death.
RESULTS: In 2022, mortality from diseases included in the DNS amounted to 130.7 per 100 000 of the population over 18 years old (100.3 among men, 191.0 among women). The average age of men is 74.3±14.1, women - 83.5±9.9 years (p<0.0001) due to the younger age of death of men from «G31.2 Degeneration of the nervous system caused by alcohol» and a higher contribution of this cause to male mortality; 82.5% of deaths were for codes G90-G99 («Other disorders of the nervous system»); 15.5% were neurodegenerative diseases (G10-G32). Sixty-six percent of all UCD in both women and men accounted for «unspecified encephalopathy» (G93.4), in 2nd place (10.5%) was «cerebral cyst» (G93.0). In 45 cases, code G93.6 (cerebral edema) was mistakenly used as UCD. Differences in the structure of causes of death at home, in hospital and elsewhere are statistically significant (p<0.00001). In 58.3%, cerebral edema and herniation were indicated as the immediate cause of death (G93.6 and G93.5).
CONCLUSIONS: Nosologically unfounded, insufficiently well-defined UCD were established in most cases of death from DNS, In 0.5% of the total number of deaths from DNS, an erroneous presentation as UCD of transient disorders of cerebral circulation or cerebral edema was noted. The results indicate the need for an analysis of the causes of death based on a comparison of medical records and MDC.
MATERIAL AND METHODS: The source of information was the electronic database of the Main Department of the Civil Registry Office of the Moscow Region. All cases of class G deaths were selected (total 10.739), an analysis was carried out according to underlying cause of death (UCD) codes and the immediate cause of death.
RESULTS: In 2022, mortality from diseases included in the DNS amounted to 130.7 per 100 000 of the population over 18 years old (100.3 among men, 191.0 among women). The average age of men is 74.3±14.1, women - 83.5±9.9 years (p<0.0001) due to the younger age of death of men from «G31.2 Degeneration of the nervous system caused by alcohol» and a higher contribution of this cause to male mortality; 82.5% of deaths were for codes G90-G99 («Other disorders of the nervous system»); 15.5% were neurodegenerative diseases (G10-G32). Sixty-six percent of all UCD in both women and men accounted for «unspecified encephalopathy» (G93.4), in 2nd place (10.5%) was «cerebral cyst» (G93.0). In 45 cases, code G93.6 (cerebral edema) was mistakenly used as UCD. Differences in the structure of causes of death at home, in hospital and elsewhere are statistically significant (p<0.00001). In 58.3%, cerebral edema and herniation were indicated as the immediate cause of death (G93.6 and G93.5).
CONCLUSIONS: Nosologically unfounded, insufficiently well-defined UCD were established in most cases of death from DNS, In 0.5% of the total number of deaths from DNS, an erroneous presentation as UCD of transient disorders of cerebral circulation or cerebral edema was noted. The results indicate the need for an analysis of the causes of death based on a comparison of medical records and MDC.