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B-161475 1 (1974-03-14)

handle is hein.gao/gaobaaftb0001 and id is 1 raw text is: 



               COMPTROLLR GENERAL OF THE UNITED STATES
                       WASHINGTON, D.C. ,0648


B-161475                                     MAR 14 1974   oqf q



          The H norab e                1111111111111~I 1111 111lI 11111 11111 1li
The Honorable                               LM0961
The Secretary of Defense    <+

Dear Mr. Secretary:

     During a survey of Department of Defense health
programs, we noted that some militaxybla  aLs were reusing
disposable guidewires and catheters in vascular studies.
The manufacturers and users are concerned about the reuse of
these devices, because complete cleaning is virtually impos-
sible and because reuse weakens them. Therefore, the possi-
bility of infections, allergenic reactions, and product
breakage are increased when catheters and guidewires are
reused.

     Three of the four military hospitals we visited were
reusing disposable guidewires and catheters. Officials of
the three hospitals said that they were using these devices
more than one time because of cost savings but that, from a
medical standpoint, they.preferred to use them once. The
fourth hospital did not reuse these disposable devices
because of the possible adverse effects to the patient.

USE OF CATHETERS AND GUIDEWIRES

     Both the radiology and cardiology departments of a
hospital use catheters and guidewires in vascular studies.
The guidewires are inserted through a blood vessel to the
study site, such as in the aorta, heart, or brain. The
catheter is placed over the wire which is used to guide the
catheter to the study site. Once the catheter is in place,
the guidewire is removed. The catheter is then filled with
a contrast medium for use in active catheterization and film-
ing. Guidewires in current use are stainless steel or stain-
less steel with a teflon coating. Catheters are plastic
tubes which may be constructed in combination with various
types of material, such as stainless steel or teflon.

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