RF Safe

Laparoscopic radiofrequency-assisted liver resection.

Surgical endoscopy · 2003 · Unclear · Very low evidence

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UnclearVery low evidencePaper 3693

A laparoscopic radiofrequency energy-assisted liver resection was performed using a 500-kHz radiofrequency generator and Cool-Tip probe. Operative time was 300 minutes (resection time 240 minutes), blood loss was 75 ml, postoperative course was uneventful, an…

Study snapshot

PublicationSurgical endoscopy · 2003
Study typecase_report
Reported directionUnclear
Evidence ratingVery low

Abstract

Laparoscopic liver resection has not yet gained wide acceptance among hepatic surgeons, mainly because of the difficulties encountered in dealing with possible intraoperative bleeding. A new technique of laparoscopic liver resection is presented. A 43-year-old man with a large and symptomatic hemangioma underwent a laparoscopic radiofrequency energy-assisted liver resection. After induction of pneumoperitoneum, four trocars were introduced and intraoperative ultrasonography and coagulative desiccation were performed along a plane of tissue 1 cm away from the edge of the lesion using the Cool-Tip radiofrequency probe and a 500-kHz, radiofrequency generator. The necrosed band of parenchyma then was divided and the specimen removed. The operative time was 300 min with a resection time of 240 min. The intraoperative blood loss was 75 ml. The postoperative course was uneventful and the patient was discharged on postoperative day 6. Laparoscopic radiofrequency-assisted liver resection is feasible, and with greater experience may contribute to the wider use of mini-invasive video-assisted liver surgery.

Machine Enhanced Logic

AI evidence extraction

Structured fields below were generated from the paper’s abstract and metadata to make the evidence easier to inspect. Automated extraction may be incomplete or incorrect; verify important details against the original paper.

Study typecase_report
Effect directionunclear
Population43-year-old man with a large symptomatic hemangioma
Sample size1
ExposureRF · 0.5 MHz
Evidence strengthVery lowConfidence: 74% · Peer reviewed: yes

Main findings

A laparoscopic radiofrequency energy-assisted liver resection was performed using a 500-kHz radiofrequency generator and Cool-Tip probe. Operative time was 300 minutes (resection time 240 minutes), blood loss was 75 ml, postoperative course was uneventful, and discharge occurred on postoperative day 6.

Outcomes measured

  • Feasibility of laparoscopic radiofrequency-assisted liver resection
  • Operative time
  • Resection time
  • Intraoperative blood loss
  • Postoperative course
  • Length of hospital stay

Limitations

  • Single-patient case report
  • No comparator/control group
  • No quantitative assessment of EMF exposure beyond device frequency
View raw extracted JSON
{
  "study_type": "case_report",
  "exposure": {
    "band": "RF",
    "source": "medical device (radiofrequency generator/probe)",
    "frequency_mhz": 0.5,
    "sar_wkg": null,
    "duration": null
  },
  "population": "43-year-old man with a large symptomatic hemangioma",
  "sample_size": 1,
  "outcomes": [
    "Feasibility of laparoscopic radiofrequency-assisted liver resection",
    "Operative time",
    "Resection time",
    "Intraoperative blood loss",
    "Postoperative course",
    "Length of hospital stay"
  ],
  "main_findings": "A laparoscopic radiofrequency energy-assisted liver resection was performed using a 500-kHz radiofrequency generator and Cool-Tip probe. Operative time was 300 minutes (resection time 240 minutes), blood loss was 75 ml, postoperative course was uneventful, and discharge occurred on postoperative day 6.",
  "effect_direction": "unclear",
  "limitations": [
    "Single-patient case report",
    "No comparator/control group",
    "No quantitative assessment of EMF exposure beyond device frequency"
  ],
  "evidence_strength": "very_low",
  "confidence": 0.74,
  "peer_reviewed_likely": "yes",
  "keywords": [
    "laparoscopic liver resection",
    "radiofrequency-assisted resection",
    "Cool-Tip probe",
    "500-kHz generator",
    "hemangioma",
    "blood loss",
    "feasibility"
  ],
  "suggested_hubs": []
}
AI can be wrong. Always verify against the paper.

AI-extracted fields are generated from the abstract and metadata and may be incomplete or incorrect. This material is for informational purposes and is not medical advice.

Identifiers and source

DOI: 10.1007/s00464-002-4263-9
PubMed: 15768457

Read the original paper →

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