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What is tourniquet and how is it used in bloodless surgery?

1 like 0 dislike
asked May 30, 2012 in Glossary by Hatice Simsek MD (3,070 points)
retagged Jun 4, 2012 by LarryEitel

3 Answers

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tourniquet

Etymology: Fr, turnstile
a device used in controlling hemorrhage, consisting of a wide constricting band applied to the limb close to the site of bleeding. The use of a tourniquet is a drastic measure and is to be used only if the hemorrhage is life-threatening and if other safer measures have proved ineffective. A tourniquet is also used routinely to distend veins before venipuncture.

 

answered Jun 1, 2012 by Hatice Simsek MD (3,070 points)
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Use in bloodless surgery:

 

Bloodless limb operations

One of the great advantages of operating on a patient's limb is that you can use a tourniquet to prevent bleeding. This will save blood and enable you to see his tissues more clearly.

The article: 

http://www.meb.uni-bonn.de/dtc/primsurg/docbook/html/x819.html

answered Jun 1, 2012 by Hatice Simsek MD (3,070 points)
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Orthopedics. 2011 Sep 9;34(9):e497-9. doi: 10.3928/01477447-20110714-44.

TKA sans tourniquet: let it bleed: opposes.

Source

Abstract

The literature supports the routine use of a tourniquet during total knee arthroplasty (TKA). With tourniquet use, there is decreased intraoperative blood loss with subsequent improved visibility and a bloodless surgical field. This facilitates efficiency with the potential for decreased operating time. Increased operating time has been associated with an increase in the incidence of infection after TKA. Opponents of routine tourniquet use cite rare or theoretical concerns. Multiple authors have concluded that the incidence of deep vein thrombosis is not related to using a tourniquet. The rare events of muscle dysfunction or nerve injury are transient. Peripheral vascular disease, in which patients have no palpable distal pulses, should be considered a possible contraindication to the use of a tourniquet during TKA. If tourniquet time and pressure are respected during TKA, we believe the benefits outweigh the perceived and theoretical concerns.

 

 

 

 

answered Jun 1, 2012 by Hatice Simsek MD (3,070 points)

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