Tension Flashcards
How does tension compromise blood flow?
Closes small vessels
What effect could tension have on a distal extremity
Tourniquete effect
Tension near a joint could have what effect?
Restrict movement
Is it ever acceptable to have tension on the skin of thewound you are closing?
NO will dehis every time
Less tension on the trunk or the limb?
Trunk
Want tension to run parrelel or perpendicular to lines of tension?
Parellel
in general in the dog which direction do the lines of tension run?
Dorsal to ventral
Should you every use towel clamps to pull skin together to see how a wound will come together?
Yes in fact it is better than using your fingers
Are dogs ears ok?
Yes they are, they will settle after a few weeks and are not your biggest concern
5 techniques for managing tension on a wound closure
Undermining walking sutures skin stretching releasing incisions plasties
big drawback of undermining?
Creates deadspace, inpinges on the blood supply to the skin
Walking sutures are placed when?
After undermining
Big drawbacks of walking sutures?
Increase risk of infection and fix relatively mobile skin in place
4 common ways to stretch skin
Presuturing
adjustable sutures
skin stretchers
tissue expanders
How do releasing incisions heal?
Second intention
Big thing that you must be careful of with releasing incisions?
Enough distance between primary wound and releasing incision for blood supply
Plasties are really important for
wounds near structures whose function will be disrupted by tension
Are plasties always used on the defect
no they can be used at a distance as well
2 types of plasties
Vy plasty
Z plasty
Which direction do y and u plasties relieve tension?
Length wise
What causes dead space?
s
What causes dead space?
Excessive dissection
big dog little dog
removal of a mass
