Recovery of small-sized blood vessels in ischemic bone under static magnetic field.

{
  "study_type": "animal",
  "exposure": {
    "band": "static",
    "source": "implanted magnetized samarium-cobalt rod",
    "frequency_mhz": null,
    "sar_wkg": null,
    "duration": "3 weeks after femoral artery ligation (assessment timepoint)"
  },
  "population": "Rats with ischemic femur (femoral artery ligation model)",
  "sample_size": null,
  "outcomes": [
    "Collateral circulation in ischemic bone (microsphere trapping)",
    "Bone mineral density"
  ],
  "main_findings": "In an ischemic rat femur model, bones implanted with a magnetized samarium-cobalt rod showed a larger amount of trapped microspheres than bones with an unmagnetized rod in proximal and distal regions (reported as significant in the proximal region, P<0.05). No significant differences were observed at the middle and distal regions. A similar tendency was reported for bone mineral density in SMF-exposed ischemic bone.",
  "effect_direction": "mixed",
  "limitations": [
    "Sample size not reported in abstract",
    "Static magnetic field strength/exposure level not reported",
    "Significance reporting appears inconsistent across regions (e.g., distal described as larger but also described as not significantly different)",
    "Animal ischemic bone model; generalizability to humans not addressed in abstract"
  ],
  "evidence_strength": "low",
  "confidence": 0.74,
  "peer_reviewed_likely": "yes",
  "keywords": [
    "static magnetic field",
    "ischemic bone",
    "rat model",
    "femoral artery ligation",
    "samarium-cobalt magnet",
    "vascularization",
    "collateral circulation",
    "microspheres",
    "bone mineral density"
  ],
  "suggested_hubs": [
    {
      "slug": "animal-studies",
      "weight": 0.9,
      "reason": "Rat ischemic bone model evaluating effects of static magnetic field exposure."
    }
  ]
}