Radiological workers sensitivity to 50 Hz pulsed magnetic fields: preliminary results.

{
  "study_type": "other",
  "exposure": {
    "band": "ELF",
    "source": "occupational",
    "frequency_mhz": null,
    "sar_wkg": null,
    "duration": null
  },
  "population": "Lymphocyte cultures from 12 subjects occupationally exposed to low doses of ionising radiations (radiological workers)",
  "sample_size": 12,
  "outcomes": [
    "Genotoxicity (micronucleus frequency)",
    "Cytotoxicity / cell proliferation"
  ],
  "main_findings": "In lymphocyte cultures from 12 radiological workers, exposure to a 50 Hz pulsed magnetic field (triangular waveform; rise time ~1.2 ms; peak intensity 2.5 mT) was associated with a slight but statistically significant increase (p<0.05) in micronucleus frequency and in the cell proliferation parameter compared with matched controls.",
  "effect_direction": "harm",
  "limitations": [
    "Preliminary results",
    "Small sample size (12 subjects)",
    "In vitro lymphocyte culture study; clinical relevance not established in abstract",
    "Potential confounding/interaction with occupational ionising radiation exposure noted but not resolved"
  ],
  "evidence_strength": "very_low",
  "confidence": 0.74,
  "peer_reviewed_likely": "yes",
  "keywords": [
    "extremely low frequency",
    "ELF",
    "pulsed magnetic fields",
    "50 Hz",
    "triangular waveform",
    "2.5 mT",
    "micronucleus",
    "cytokinesis-block technique",
    "cell proliferation",
    "genotoxicity",
    "cytotoxicity",
    "radiological workers",
    "occupational exposure",
    "ionising radiation"
  ],
  "suggested_hubs": [
    {
      "slug": "occupational-exposure",
      "weight": 0.9,
      "reason": "Study involves subjects occupationally exposed (radiological workers) and evaluates biological effects of ELF pulsed magnetic fields."
    }
  ]
}