Term
| 3 parts to a suture needle? |
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Definition
| point, body, attachment end |
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Term
| Types of suture needle attachments? |
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Definition
| swaged, eyed closed, eyed french |
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Term
| Another term for straight suture needle? |
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Definition
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Term
| ___ needles are held with the hands, whereas ___ needles are held with needle holders. |
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Definition
straight- hands
curved- needle holders |
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Term
| Chemical name for tissue "super glue"? |
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Definition
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Term
| Tissue adhesive applied in an infected site can cause ___. |
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Definition
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Term
| Tissue adhesive applied in the dermis can cause ___. |
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Definition
| granulomas, wound dehiscence |
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Term
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Definition
| submucosa of sheep intestine |
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Term
| 3 general uses for sutures: |
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Definition
| hemostasis, ligation, apposition |
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Term
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Definition
| encircling and cinching/clamping a vessel or tissue with suture material or clips |
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Term
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Definition
| stopping the flow of blood |
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Term
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Definition
| bringing together the edges of an incision or wound with sutures, staples, or adhesives |
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Term
| What is the most desirable knot for tying suture material? |
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Definition
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Term
| A knot made of two simple/half knots in succession? |
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Definition
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Term
| What mistake would result in a granny knot? |
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Definition
| not reversing the direction on each simple knot |
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Term
| What mistake would result in a half hitch? |
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Definition
| not keeping even tension on each strand |
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Term
| Pros and cons to simple interrupted? |
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Definition
Pros:
-precise tension along incision
-easy to remove
-if one breaks, the rest remain intact
Cons:
-more material used
-time consuming |
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Term
| Pros and cons to mattress pattern sutures? |
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Definition
Pros
-resist tension
-saves time
-less material used
Cons
-harder to place / remove |
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Term
| What might you add to a mattress suture to further alleviate tension? |
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Definition
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Term
| Pros and cons of simple continuous? |
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Definition
Pros
-saves time
-saves material
-better seal
-evenly distributed tension
Cons
-if it breaks, the whole thing unravels |
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Term
| What type of suture pattern is good for hollow organs where leak prevention is key? |
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Definition
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Term
| What type of suture pattern is good for areas of high tension? |
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Definition
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Term
| What type of suture pattern is good for punch biopsies or other circular holes? |
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Definition
| cruciate (a type of mattress pattern) |
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Term
| Absorbable vs dissolvable |
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Definition
| Dissolve implies that liquid would naturally erode the material, but sutures are actually actively broken down by phagocytosis and absorbed by the body. |
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Term
| Type of suture pattern used to close SQ tissues and reduce dead-space, and which may not require outer skin sutures? |
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Definition
| subcuticular (continuous) |
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Term
| Suture needles are described by what 4 things? |
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Definition
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Term
| The larger the # of a suture needle, the __ the needle. |
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Definition
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Term
| What suture needle tip is the best for air and liquid tight holes? |
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Definition
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Term
| Cutting tips have a cutting edge on the ___ surface. |
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Definition
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Term
| Reverse cutting tips have a cutting edge on the ___ surface. |
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Definition
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Term
| What type of needle tip would have a hard time penetrating skin? |
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Definition
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Term
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Definition
| Needles that have suture material permanently attached to the eye end |
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Term
| Specific uses of sutures (from PP)? |
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Definition
-appose edges of wounds or incisions
-obliterate dead space to prevent seromas
-tighten/stabilize joints
-ligate vessels or stumps
-attach catheters in place
-attach drains
-tack Shar Pei eyelids |
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Term
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Definition
| When tissue layers are separated during surgery, the body fills in dead space with fluid. |
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Term
| Handling characteristics of suture material? |
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Definition
| friction, memory, drag, chatter |
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Term
| Properties of an ideal suture material? |
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Definition
-available in all size
-sterile
-inexpensive
-holds knots well
-non-irritating, non-carcinogenic
-strong and increased tensile strength
-absorb completely after healing w/o rxns
-inhibit bacterial growth or wicking
-have desirable handling characteristics |
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Term
| Qualities of monofilament suture material: |
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Definition
-smooth surface = less friction, drag, chatter
-more memory
-no wicking
-less overall strength |
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Term
| Qualities of multifilament suture material: |
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Definition
-rough surface (unless coated) = more friction, drag, chatter
-less memory
-wicking
-more overall strength |
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Term
| Don't use ____ suture material in highly contaminated areas. |
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Definition
| multifilament, because it will wick pathogens in |
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Term
| Absorbable sutures require ___ and will always cause ___. |
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Definition
| require an immune response to phagocytize, will always cause inflammation |
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Term
| How long do sutures usually need to stay in to ensure the incision/wound is fully healed together? |
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Definition
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Term
| What suture material retains its tensile strength for the shortest time, about 3-5 days? |
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Definition
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Term
| Faster absorption of sutures means... |
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Definition
| greater inflammatory response |
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Term
| Why is chromic catgut preferred over regular catgut? |
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Definition
| chromic is absorbed slower which = less inflammation, longer-lasting tensile strength |
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Term
| What suture material is absorbable but may last within the body up to 6mo? |
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Definition
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Term
| Why might you use a synthetic absorbable suture like PDS II-polydioxanone? |
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Definition
animal has slow healing due to old age, high tension area, is immune compromised, etc
-absorbs slowly, retains tensile strength |
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Term
| Natural non-absorbable suture materials? |
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Definition
-silk
-cotton/linen strips in LA |
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Term
| What material is the strongest, # for #, of all suture materials? |
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Definition
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Term
| A braided material that is often coated to prevent wicking, least memory, good handling characteristics? |
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Definition
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Term
| What type of suture material is often used for cardiovascular and ophthalmic surgeries? |
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Definition
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Term
| Non-absorbable suture material that is rather slippery, atraumatic, and has weak knots? |
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Definition
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Term
| Vitifil, Supramed, and Braunamid are all ___. |
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Definition
| caprolactams - braided coated synthetic non-absorbable |
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Term
| What type of suture material is very strong, hard to handle, has no give, and ties bulky knots? |
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Definition
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Term
| What type of synthetic non-absorbable suture material is really cheap and coated with a waxy substance? |
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Definition
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Term
| Why might stainless steel wire be used to suture an incision? |
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Definition
| animal is adamant about chewing out its stitches |
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Term
| How does suture sizing work? |
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Definition
10-0 < 0 < 7
In other words, the "aughts" are smallest, with "0" being the biggest aught. 1 and onward increase in size as number increases. |
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Term
| You take an abdominal rad of an animal and see a whole bunch of white dashes. What procedure was probably performed? |
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Definition
| splenectomy- dashes are the clips used to ligate vessels |
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Term
| Tissue adhesive is not ____ by the tissue, but rather is ____. |
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Definition
| not absorbed, but rather sloughed off (or extruded through skin if SQ) |
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Term
| Apply tissue adhesive to ___ ___ ONLY. |
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Definition
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Term
| Things to remember when removing sutures: |
|
Definition
-swab the area first to remove debris
-apply tension with your fingers to see if incision will separate
-don't tear through the skin
-cut off near the skin so you're dragging less material through tissues |
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Term
|
Definition
-half circle
-3/8 circle
-straight
-half curved |
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