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Related Experiment Videos

Clinical applications--pelvis.

Ulrich Stöckle1, Christian Krettek, Tim Pohlemann

  • 1Zentrum für Muskuloskeletale Chirurgie, Charité-Universitätsmedizin Berlin, Campus Virchow Klinikum, 13353 Berlin, Germany. ulrich.stoeckle@charite.de

Injury
|June 9, 2004
PubMed
Summary
This summary is machine-generated.

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Computed tomography (CT)-based navigation enhances precision in spinal and pelvic surgeries. This study reviews CT and fluoroscopy-based navigation techniques for pelvic and acetabular surgery, detailing their effectiveness and indications.

Area of Science:

  • Orthopedic Surgery
  • Medical Imaging
  • Surgical Navigation

Background:

  • Navigation procedures based on computed tomography (CT) data were first used in spinal surgery in 1994.
  • These methods offer high precision and reduced radiation exposure, expanding applications to joint replacement, reconstructive, and tumor surgery.
  • CT-based navigation requires identical fragment positioning between CT imaging and the operating room (OR), necessitating new datasets if positioning differs.

Purpose of the Study:

  • To explain clinical experiences with CT-based navigation in pelvic surgery, including percutaneous screw fixations and tumor resections.
  • To describe modality-based navigation performed in the CT suite for immediate control of reduction quality and screw positioning.
  • To evaluate the efficacy of fluoroscopy-based navigation in pelvic surgery and define indications for navigated techniques in pelvic and acetabular surgery.

Related Experiment Videos

Main Methods:

  • Review of CT-based navigation techniques applied to five percutaneous screw fixations and three tumor resections in pelvic surgery.
  • Description of modality-based navigation, including two illustrative cases performed in the CT suite.
  • Analysis of 36 percutaneous screw fixations in the pelvis using fluoroscopy-based navigation between June 2000 and December 2002, with postoperative X-ray and CT control.

Main Results:

  • CT-based navigation demonstrated effectiveness in pelvic surgery.
  • Modality-based navigation in the CT suite allows for immediate intraoperative control.
  • Fluoroscopy-based navigation resulted in correct placement of 35 out of 36 screws, with one instance of anterior cortex perforation without neurological consequences.
  • The Iso C 3-D fluoroscope offers improved visualization for pelvic surgery compared to conventional 2-D fluoroscopy.

Conclusions:

  • Navigated techniques, both CT-based and fluoroscopy-based, are valuable tools in pelvic and acetabular surgery.
  • The Iso C 3-D fluoroscope enhances navigation capabilities in pelvic procedures.
  • Clinical experiences support the definition and illustration of indications for navigated techniques in this surgical field.