Myocardial micro-alternation index: Influence of age, gender and prevalence of normal values in screening of the population

Myocardial micro-alternation index (IMM) is one of the characteristics of the ECG dispersion mapping (DM) which is widely used for screening of the population. We studied the relationship between IMM, age and gender. We also investigated the prevalence of different IMM ranges: normal (<15 %, 15-21 % - boundary, >21 % - pathological) in visitors of the health centers (HC). Data of 537 820 visitors of the HC from 25 regions of Russia were analyzed. The visitors underwent ECG DM recording, anthropometry, measurement of blood pressure, glucose and cholesterol in capillary blood. The results have shown that IMM dependence on age and sex is very weak, so the special criteria are not required. The prevalence of IMM ranges («normal», «borderline values» and «pathology») is found to be age-dependent: the prevalence of pathological and borderline IMM values increased from 55 years and 35 years respectively. From the same age there is a decrease in the proportion of visitors with normal IMM values. The share of visitors with risk factors for non-communicable diseases is maximal among those whose values are in the IMM range considered as «pathology» and minimal in the range of «normal». © 2018 Stavropol State Medical University. All Rights Reserved.

Ivanov G.G. 1, 2 , Bulanova N.A. 1, 7 , Nikolaeva M.V.1 , Schelykalina S.P.3, 5 , Nikolaev D.V.3, 4 , Halabi G. 6
Stavropol State Medical University
Номер выпуска
  • 1 I.M. Sechenov First Moscow State Medical University, Russian Federation
  • 2 Peoples' Friendship University of Russia, Moscow, Russian Federation
  • 3 Federal Research Institute for Health organization and Informatics, Moscow, Russian Federation
  • 4 Joint-Stock Company Scientific Technical Center MEDASS, Russian Federation
  • 5 N.I. Pirogov Russian National Research Medical University, Moscow, Russian Federation
  • 6 Hospital Medical 2000, Beirut, Lebanon
  • 7 Central State Medical Academy Management, Department of the President of the Russian Federation, Moscow, Russian Federation
Ключевые слова
ECG dispersion mapping; Myocardial micro-alternation index; Screening
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