The use of a standard radiofrequency energy delivery system to facilitate transseptal puncture.

{
  "study_type": "other",
  "exposure": {
    "band": null,
    "source": "electrosurgical cautery generator (radiofrequency energy applied via transseptal needle tip)",
    "frequency_mhz": null,
    "sar_wkg": null,
    "duration": "brief pulses"
  },
  "population": null,
  "sample_size": null,
  "outcomes": [
    "Facilitation of transseptal puncture",
    "Risk of cardiac perforation (context)"
  ],
  "main_findings": "The abstract describes a technique to facilitate transseptal puncture by applying brief pulses of radiofrequency energy from a standard electrosurgical cautery generator through the needle tip.",
  "effect_direction": "unclear",
  "limitations": [
    "No study design details provided in the abstract (e.g., controlled comparison, endpoints, follow-up).",
    "No sample size or participant characteristics reported.",
    "No quantitative safety or efficacy outcomes reported."
  ],
  "evidence_strength": "insufficient",
  "confidence": 0.62,
  "peer_reviewed_likely": "yes",
  "keywords": [
    "transseptal puncture",
    "radiofrequency energy",
    "electrosurgery",
    "cautery generator",
    "catheter access",
    "left atrium"
  ],
  "suggested_hubs": [
    {
      "slug": "engineering",
      "weight": 0.55,
      "reason": "Use of radiofrequency energy delivery system as a procedural technique in electrophysiology."
    }
  ]
}