Document Detail


Use of i.v. radionuclide total body arteriography to evaluate arterial bypass shunts--a new method--a review of several cases.
MedLine Citation:
PMID:  2171384     Owner:  NLM     Status:  MEDLINE    
Abstract/OtherAbstract:
Currently, Doppler ultrasound and contrast angiography are the main imaging procedures being used to evaluate arterial bypass shunts. IV radionuclide total body arteriography (TBA) is another useful imaging procedure for evaluation of bypass shunts. The authors reviewed 33 patients, 19 women and 14 men, ranging in age from forty-three to eighty-five, who had TBA done after arterial bypass surgery. Ten patients had multiple shunts and 5 had multiple follow-up studies. In total there were 80 shunts, including 43 femoropopliteal, 16 axillofemoral, 1 axillopopliteal, 13 crossover femorofemoral, and 7 aortofemoral shunts. Sixty-two of the 80 shunts were patent, 14 were occluded, and 4 had partial occlusion. The results were confirmed by Doppler studies, contrast angiograms, and/or surgical exploration without false positives or false negatives. Since the radiotracer used was 99mTc-labeled red blood cells, a MUGA study can also be performed immediately following TBA in the same injection. Twenty-eight patients had gated cardiac blood pool studies (MUGA) done; 16 had abnormal wall motion and diminished ventricular function. TBA requires only a single IV injection of radiotracer (less than 1 cc) in the upper limb. The imaging times for total body arterial and perfusion images are seventy seconds and five minutes respectively. Both total body arterial and perfusion images clearly demonstrated the entire course of shunts (single or multiple); underlying and coexisting arterial abnormalities, e g, occlusive disease (27 patients), or aneurysm (3 patients); and related perfusion changes in the extremities. TBA has unique features. It permits a complete, excellent visualization of the bypass graft without the hazard of contrast media injection. It is a simple and a virtually noninvasive procedure, particularly useful for preoperative workups and postoperative follow-ups.
Authors:
D C Yang; C U Jain; D Patel; L Gould; H Schaefer; P Maghazeh; J Giovanniello
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Publication Detail:
Type:  Clinical Trial; Journal Article    
Journal Detail:
Title:  Angiology     Volume:  41     ISSN:  0003-3197     ISO Abbreviation:  Angiology     Publication Date:  1990 Sep 
Date Detail:
Created Date:  1990-11-15     Completed Date:  1990-11-15     Revised Date:  2004-11-17    
Medline Journal Info:
Nlm Unique ID:  0203706     Medline TA:  Angiology     Country:  UNITED STATES    
Other Details:
Languages:  eng     Pagination:  745-52     Citation Subset:  IM    
Affiliation:
The Methodist Hospital, Brooklyn, New York.
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MeSH Terms
Descriptor/Qualifier:
Adult
Aged
Arteriovenous Shunt, Surgical*
Blood Vessel Prosthesis
Diphosphates / diagnostic use
Female
Follow-Up Studies
Gated Blood-Pool Imaging
Graft Occlusion, Vascular / radionuclide imaging
Humans
Male
Middle Aged
Radionuclide Angiography / methods*
Recurrence
Technetium / diagnostic use
Technetium Tc 99m Pyrophosphate
Chemical
Reg. No./Substance:
0/Diphosphates; 0/Technetium Tc 99m Pyrophosphate; 7440-26-8/Technetium

From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine


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