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Exam 3
External Coaptation: Dugat
29
Veterinary Medicine
Professional
10/28/2016

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Cards

Term
What are the orthopedic indications for external coaptation?
Definition
-limb immovilization: gractured bone, ligamentous instability
-support: preop, postop
-protection
-analgesia
-compression
-reduction and stabilization of a luxated joint
Term
What are the standard three layers of externa coaptation?
Definition
-Primary layer: nonadherent dressing over a wound
-secondary layer (bulk): cast padding or rolled cotton
-tertiary layer: cling guaze
-/+ spline
Term
What is the purpose of the secondary (bulk) layer of external coaptation?
Definition
-protect tissue
-relieves pain
-immobilize the limb
Term
What is the purpose of the tertiary layer?
Definition
-compression
-immobilization
-protection
Term
What are the rules to live by in regards to external coaptation?
Definition
-pick the appropriate bandage for hte desired infication
-do not wrap secondary and tertiary layers too tightly!! can cause circulatory compromise
-balance pressure and absorption
-manage the bandage appropriately
-MUST incorporate the joint above and below
-bandage msut allow for visualization of 3rd/4th digits distally
Term
What are the different types of bandages?
Definition
-Robert Jones: most common
-Modified Robert Jones
-Spint bandage
-catsts
-Ehmer sling
Term
What are the functions of a Robert Jones Bandage?
Definition
-temporary limb splintage: immobilization
-provides compression
-protects limb from vascular compromise
-pain relief: due to immobilization
-elimination of dead spece postoperatively: reduce swelling
-protect a wound that may also be present
Term
What is the one major drawback to the Robert Jones Bandage?
Definition
-can only be used on distal limb injuries!!! belowe the stifle or below the elbow
Term
What are the functions of the modified Robert Jones Bandage?
Definition
-temporary immobilization: less than with splint
-allows for some compression
-adjunctive support post-op
Term
What are the three major technique differences in a MOdified Robert JOnes compared to a normal Robert Jones?
Definition
-rolled cotton is NOT used
-primary layer is about 3-4 layers of cast padding
-limb is held at a standing angle
Term
What are the functions of a spoint bandage?
Definition
-temporary immobilization: fractures, joint dislocations, postop support
-definitive care for moderately stable fractures if financially limited
Term
When do we pointedly avoid splint bandages?
Definition
-if swelling is present
Term
Do splint bandages provide compression?
Definition
-NO
Term
What are the three types of splint bandages?
Definition
-standard: distal limb
-spica: proximal limb and extends to opposit hip/shoulder
-Schroeder-Thomas: outdated
Term
What are our options for malleable splint materials?
Definition
-metal splint rods
-Schroeder-Thomas Splint
-thermoplastics
-padded metal
-cast tape
-felt covered cast tape
Term
What are our options for rigid cast material?
Definition
-Mason metasplint: metal or preformed plastic
Term
What are the downsides to using rigid splint materials?
Definition
-cannot be molded, cut, or resized
-cannot conform to limb shape
Term
What is a common complication of rigid splint materials?
Definition
-rub sores
Term
What are the functions of a cast?
Definition
-definitive stabilization of fractures
-resist bending and rotation forces
-does not counter axial forces-
-indirect bone healing
Term
What are the fracture criteria for cast use?
Definition
-closed
0distal to elbow and stifle
-mechanically stable
-heal quickly
Term
What are the materials that we use in casts?
Definition
-Tape stirrups
-Stockinette
-casting tape
Term
What do we look for when we evaluate a completed cast with rads?
Definition
-want 50% or more fracture reduction
Term
How do we manage casts?
Definition
-Caution with pressure points! sores are very common!
-weekly evals
-change if: wet, soiled, foul odor, sudden gait change, slips
-removal: bivalve, cast saw and spreader
Term
What is the purpose of an Ehmer sling?
Definition
-maintain reduction of a craniodorsal hip luxation
Term
How does an Ehmer sling work?
Definition
-it abducts and internally rotates the hip joint (forces the femur into the acetabulum)
Term
What materials do we need for an Ehmer sling?
Definition
-Elasticon bandaging material
-clippers to shave hair
Term
When do we remove Ehmer slings?
Definition
-10-14 days
Term
What is the purpose of a Velpeau sling?
Definition
-stabilization of shoulder with medial dislocation
-support scapular fractures
-prevents weight-bearing on injured forelimb
Term
What are the complications of external coaptation?
Definition
-bandage sores: monitor pressure points
-bandage slippage: places pressure in abnormal location and causes tissue necrosis
-fracture nonunion
-inappropriate placement: fulcrum created
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