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Neutrons and sudden cardiac death (SCD) codes 121-125 ICD 10.

E Stoupel1, S Domarkiene, R Radishauskas

  • 1Division of Cardiology, Rabin Medical Center, Petah Tiqwa, Israel. stoupel@inter.net.il

Journal of Basic and Clinical Physiology and Pharmacology
|April 28, 2006
PubMed
Summary

Neutron activity (NA) did not differ on sudden cardiac death (SCD) days overall. However, higher NA was observed in younger men experiencing SCD and on days with myocardial ruptures, suggesting a potential role in specific cardiac events.

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Area of Science:

  • Cardiology
  • Environmental Health
  • Forensic Medicine

Background:

  • Previous research indicates a correlation between monthly neutron activity (NA) and acute myocardial infarction (AMI) incidence.
  • NA levels are reportedly higher on days with automatic implantable cardioverter defibrillator (AICD) discharges for ventricular tachycardia (VT) and ventricular fibrillation (VF).

Purpose of the Study:

  • To investigate the relationship between neutron activity (NA) and the timing and type of sudden cardiac death (SCD).

Main Methods:

  • Analysis of daily NA data from two monitoring stations for 848 SCD patients (2002-2004).
  • Patients were classified by ICD-10 codes (121-125) following forensic post-mortem examination.
  • Comparison of NA levels on SCD days versus non-SCD days, and across different SCD subtypes and demographic groups.

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Main Results:

  • No significant difference in NA was found between days with and without SCD.
  • SCD occurred on days with significantly higher NA in men under 65 compared to women of the same age or men over 65.
  • Days with myocardial ruptures showed the highest NA levels, significantly elevated compared to all SCD days and the entire study period.
  • Elevated NA was associated with repeated AMI, myocardial ruptures (ICD-10 codes 122, 123), and coronary atherothrombosis linked to electrical heart instability.

Conclusions:

  • While overall NA does not correlate with SCD occurrence, specific subgroups and conditions, such as myocardial ruptures and SCD in younger men, show elevated NA.
  • The findings suggest a potential, yet unelucidated, role for neutron activity in the pathophysiology of certain severe cardiac events.
  • Further research is warranted to explore the mechanisms underlying the observed associations between NA and specific cardiac pathologies.