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Related Experiment Videos

Translumbar aortography: experience with a steerable pigtail catheter

M J Quigley1, K W Sniderman, E Y Yeung

  • 1Department of Diagnostic Imaging, Toronto Hospital, Ont.

Canadian Association of Radiologists Journal = Journal L'Association Canadienne Des Radiologistes
|February 1, 1993
PubMed
Summary

A new coaxial system enables effective translumbar aortography and leg arteriography. This innovative technique simplifies catheter navigation for pelvic and lower limb vascular studies.

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Area of Science:

  • Vascular Surgery
  • Interventional Radiology
  • Medical Device Design

Background:

  • Translumbar aortography and lower extremity arteriography are crucial diagnostic procedures.
  • Existing techniques may present challenges in catheter manipulation and access.
  • A need exists for improved coaxial systems to enhance procedural efficiency and patient outcomes.

Purpose of the Study:

  • To introduce and evaluate a novel coaxial system for translumbar aortography and lower extremity arteriography.
  • To assess the efficacy and safety of the new system in a clinical setting.
  • To demonstrate the system's versatility in accessing various aortic puncture sites.

Main Methods:

  • A coaxial system comprising a 4 French pigtail catheter and a 20-gauge, two-part needle was designed.

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  • The system allows for catheter advancement over a guide wire for craniad (aortography) or caudad (arteriography) manipulation.
  • The technique was applied to consecutive patients undergoing translumbar aortic and lower extremity vascular studies.

    • Main Results:

    • Successful completion of translumbar aortography and/or leg arteriography in 73 out of 79 patients (92.4%).
    • The coaxial system demonstrated ease of catheter redirection for comprehensive study completion.
    • Low complication rates were observed, including one case of asymptomatic contrast extravasation and one of self-resolving back pain.

    Conclusions:

    • The developed coaxial system offers a safe and effective method for translumbar aortography and leg arteriography.
    • The system facilitates efficient catheter manipulation, improving study success rates.
    • This technique provides a valuable alternative for vascular imaging of the aorta, pelvis, and legs, even with aortic abnormalities.