Jove
Visualize
Contact Us
JoVE
x logofacebook logolinkedin logoyoutube logo
ABOUT JoVE
OverviewLeadershipBlogJoVE Help Center
AUTHORS
Publishing ProcessEditorial BoardScope & PoliciesPeer ReviewFAQSubmit
LIBRARIANS
TestimonialsSubscriptionsAccessResourcesLibrary Advisory BoardFAQ
RESEARCH
JoVE JournalMethods CollectionsJoVE Encyclopedia of ExperimentsArchive
EDUCATION
JoVE CoreJoVE BusinessJoVE Science EducationJoVE Lab ManualFaculty Resource CenterFaculty Site
Terms & Conditions of Use
Privacy Policy
Policies

Related Experiment Videos

Angioscopically directed valvulotomy: a new valvulotome and technique.

A Miller1, P A Stonebridge, A I Tsoukas

  • 1Harvard-Deaconess Surgical Service, Division of Vascular Surgery, New England Deaconess Hospital, Boston, MA.

Journal of Vascular Surgery
|June 1, 1991
PubMed
Summary

Related Concept Videos

You might also read

Related Articles

Articles linked to this work by shared authors, journal, and citation graph.

Sort by
Same author

Local anaesthesia for endovascular repair of infrarenal aortic aneurysms.

European journal of vascular and endovascular surgery : the official journal of the European Society for Vascular Surgery·2011
Same author

Simultaneous aortic replacement and renal artery revascularization: the influence of preoperative renal function on early risk and late outcome.

Journal of vascular surgery·2001
Same author

Effects of dopamine on T-lymphocyte proliferative responses and serum prolactin concentrations in critically ill patients.

Critical care medicine·1992
Same author

Lung function testing: selection of reference values and interpretative strategies.

The American review of respiratory disease·1992
Same author

Defense behavior and coping in an autistic savant: the story of Temple Grandin, PhD.

Psychiatry·1992
Same author

Comparative quantitative evaluation of pleural fibrosis and its effects on pulmonary function in two large asbestos-exposed occupational groups--insulators and sheet metal workers.

Environmental research·1992

A new angioscopy-guided valvulotomy technique significantly reduces residual competent valves and valvulotome-induced injury in in situ vein bypass grafts compared to the standard blind method.

Area of Science:

  • Vascular Surgery
  • Interventional Cardiology
  • Medical Device Technology

Background:

  • Standard "blind" retrograde valvulotomy for in situ vein bypass grafting has limitations.
  • High incidence of residual competent valves and valvulotome-induced injury are common issues.
  • Need for improved techniques in preparing saphenous vein grafts for femorodistal bypass.

Purpose of the Study:

  • To introduce and evaluate a novel valvulotome and technique for angioscopically directed valvulotomy.
  • To compare the efficacy and safety of this new method against the traditional blind technique.
  • To assess the incidence of residual valves, graft injury, and detection of primary vein disease.

Main Methods:

  • Review of 85 completion angioscopies of in situ femorodistal bypasses.

Related Experiment Videos

  • Comparison of 53 vein grafts prepared with blind retrograde valvulotomy versus 32 with angioscopically directed valvulotomy.
  • Utilized a new valvulotome and technique under direct angioscopic visualization.

    • Main Results:

    • Angioscopically directed valvulotomy resulted in significantly lower valvulotome-induced injury (15.6% vs. 85%).
    • No residual competent valves were found with the new technique, compared to 18.9% with the blind method (p=0.0114).
    • Unsuspected primary vein graft disease was detected in 22/53 grafts prepared with the blind technique.

    Conclusions:

    • Angioscopically directed valvulotomy with the new device is feasible, reliable, and safe.
    • This technique effectively eliminates residual competent valves and minimizes graft injury.
    • It facilitates the detection and correction of primary vein graft abnormalities, improving graft preparation.