Transcutaneous application of pulsed radiofrequency: four case reports.

{
  "study_type": "case_report",
  "exposure": {
    "band": "RF",
    "source": "pulsed radiofrequency (transcutaneous application)",
    "frequency_mhz": null,
    "sar_wkg": null,
    "duration": null
  },
  "population": "patients with chronic pain resistant to other therapies",
  "sample_size": 4,
  "outcomes": [
    "chronic pain (treatment response/effectiveness)"
  ],
  "main_findings": "The abstract reports that a new non-invasive method using transcutaneous pulsed radiofrequency appears to be effective in certain chronic pain patients, and presents four case reports.",
  "effect_direction": "benefit",
  "limitations": [
    "Case report design (four cases)",
    "No exposure parameters reported (e.g., frequency, SAR, duration)",
    "Effect described as 'appears to be effective' without quantitative results in the abstract",
    "Population characteristics and follow-up not described in the abstract"
  ],
  "evidence_strength": "very_low",
  "confidence": 0.74,
  "peer_reviewed_likely": "yes",
  "keywords": [
    "pulsed radiofrequency",
    "transcutaneous",
    "non-invasive",
    "interventional therapy",
    "chronic pain",
    "case reports"
  ],
  "suggested_hubs": []
}