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Piezo High Accuracy Surgical Osteal Removal PHASOR: A Technique for Improved Cranial Window Surgery in Mice
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Piezosurgery in endoscopic-assisted trigonocephaly correction: a technical note.

Arianna Barbotti1,2, Alexandru Szathmari1, Matthieu Vinchon1

  • 1Neurochirurgie Pédiatrique Hôpital Femme Mère Enfant, Hospices Civils de Lyon, Université de Lyon, Centre de Reference Craniosténose-Lyon INSERM 1033, 59 Bd Pinel, 69003, Lyon, France.

Child'S Nervous System : Chns : Official Journal of the International Society for Pediatric Neurosurgery
|July 23, 2024
PubMed
Summary
This summary is machine-generated.

Piezosurgery® offers a safe, effective endoscopic approach for trigonocephaly correction. This minimally invasive technique reduces soft tissue damage and improves outcomes compared to traditional open surgery.

Keywords:
EndoscopyMetopic suturectomyNasofrontal suturePiezosurgery deviceTrigonocephalyVisibility

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Area of Science:

  • Neurosurgery
  • Pediatric Surgery
  • Craniofacial Surgery

Background:

  • Trigonocephaly, a craniosynostosis, involves premature metopic suture fusion, causing a triangular forehead.
  • Traditional open cranial vault reconstruction is invasive and carries risks.
  • Endoscopic techniques offer a less invasive alternative for craniosynostosis correction.

Purpose of the Study:

  • To evaluate the effectiveness of the Piezosurgery® device in endoscopic-assisted trigonocephaly correction.
  • To assess the safety and outcomes of ultrasonic bone cutting in pediatric craniosynostosis surgery.
  • To compare Piezosurgery® with traditional open surgical methods for trigonocephaly.

Main Methods:

  • Piezosurgery® device used for osteotomies in endoscopic trigonocephaly correction in infants (<4 months).
  • Small incisions and endoscopic visualization (0° endoscope) for precise bone cutting.
  • Preservation of dura mater and minimal soft tissue disruption achieved with ultrasonic microvibrations.

Main Results:

  • Piezosurgery® enabled precise osteotomies with minimal soft tissue damage and no dura mater injuries.
  • Procedures averaged 80 minutes with minimal blood loss, reducing transfusion needs.
  • Endoscopic approach led to shorter surgical times, reduced infection risk, and enhanced bone cut accuracy due to cavitation.

Conclusions:

  • Piezosurgery® is a safe and effective tool for minimally invasive endoscopic trigonocephaly correction.
  • Selective bone cutting preserves soft tissues, offering advantages over traditional open surgery.
  • This technique provides a viable alternative with improved clinical outcomes and faster recovery, despite higher initial costs.