“stiches in time” - welcome to ccehs · “stiches in time” would repair workshop ... •...
TRANSCRIPT
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“Stiches in Time”
Would Repair Workshop
44th Refresher Course in Family Medicine
March 23, 2017
UPMC Shadyside Family Medicine
Residency Teiichi Takedai, MD, FAAFP
Susan Skef, MD
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Disclosure
I have no actual or potential conflict of interest
in relation to this program/presentation.
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Objectives
• Demonstrate techniques for efficient wound closure
• Review general principles to minimize complications related to
wound closure
• Improvement on surgical skills through hands-on practice
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Course schedule
Group 1
• 3:30 - 3:45 introduction
• 3:45 - 4:10 Hands on practice
• 4:10 - 4:20 Review, Q & A
Group 2
• 4:20 – 4:35 introduction
• 4:35 – 4:50 Hands on practice
• 4:50 - 5:00 Review, Q &A
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Why time efficient suture is important?
• Decrease wound infection rate
• Decrease wound complications
• Achieve better cosmetic results
• Increase patient satisfaction
• Increase productivity…
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How can we achieve time efficient
wound closure/repair?
• Correct tissue handling
• Correct handling of instruments
• Correct apposition of wound edges
• Correct choice of wound closure techniques
• Correct choice of wound repair materials
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Wound types
• Depth
• Location
• Mechanism of injury
• Tissue damage
• Contamination
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Wound closure ------
• Hemostasis
• Better cosmetic result
• Faster healing
• Pain relief
• Decrease wound infection
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to be closed… or not to be closed...
• Time passed after injury--- “golden hours”
• Severity of contamination
• Mechanism of injury
• Location
• Foreign body
• Tension of wound
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Ideal wound closure
Layer to layer repair
Epithelium, dermis, fat, fascia: each layer put
together and approximated and heals.
Maintain blood supply to the wound edges
Layer to Layer
Certain period of stability Dermis: 4
weeks, Fascia 6 weeks
Strength of tissue recovers to 50% 6 weeks
Time for tensile strength of 50%
perforator
Vascular network
4 weeks
72 hours
Vascular network
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Principles of wound closure
Layer to Layer
Suture marks due to embedding suture materials、skin necrosis due to too
much tension
Wound should not be approximated too tightly. Anticipate tissue swelling
1. Atraumatic handling of wound tissue) Minimize the wound
damage
Holding skin forcefully with forceps can damage the tissue
Hold dermis or subcutaneous tissue of wound edge
or hold with skin hook
2. Approximate counter part of the skin layers
Correct wound approximation
Inversion of epithelium, overlapping delays epithelialization
3. Do not strangulate
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Need antibiotic?
• Evaluate any evidence of wound infection
• Mechanism of injury
• Contamination (bite wound, etc)
• Hours passed from injury
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Tetanus prophylaxis
Administer Tdap if
• Less than three tetanus toxoid in past
• >10 years from last shot
Administer tetanus immunoglobulin if
•Puncture wound or contaminated wounds who have never had
tetanus immunization
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Local anesthesia
• Minimum amount with achieving most effective anesthesia
• Max amount: 4.5 mg/kg up to 300 mg lidocaine without epinephrine;
7mg/kg up to 500 mg lidocaine with epinephrine
• 1% 1 vial 20 ml =200 mg
• Caution for location/extension/layer of infiltration
• Speed of infiltration (slow infiltration)
• Consider to apply chloroethyl spray on needle puncture site
http://www.amazine.co/25679/apakah-etil-klorida-karakteristik-manfaat-efek-sampingnya/
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Wound repair materials
• Sutures
• Adhesive tape
• Tissue glue
• Staples
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Suture/needle size
• 3-0, 4-0: trunk
• 4-0, 5-0: extremities, scalp
• 5-0, 6-0: face
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Needle types
弾機針 (バネ穴)
普通孔針 (ナミ穴) Needle with thread(atraumatic needle)
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Needle Shapes
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Suture materials
・ Non-absorbable
suture ⑴ Silk…Higher tensile, easy to tie, does not loosen, reactivity to tissue.
⑵ Nylon Monofilament …Non reactivity against tissue
easy to loosen, not flexible for tying.
⑶ Bladed thread, Polyfilament
…Surgilon
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Suture materials
・ Absorbable suture
⑴Catgut…Synthesized from submucosal layer tissue of mammal
⑵Synthetic absorbable suture Bladed
Polysorb, Dexon, Vicryl, etc. absorbed in 2-3 months
Monofilament
Maxon…monofilament. Half life of tension -4 weeks PDS
Ⅱ…Monofilament. Half life of tension > 6 weeks Monodiox
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Hands on session
Get your instruments on the desk!
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Handling instruments Needle holder
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Handling instruments Needle holder
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Basics of suturing technique
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Handling instruments forceps
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Handling instruments Scissors
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Interrupted sutures
Forsch, Randall, 2008, Am Fam Physicians, 78(8)945-951
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Running sutures
Forsch, Randall, 2008, Am Fam Physicians, 78(8)945-951
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Mattress sutures
• Vertical mattress
• Horizontal Mattress
Forsch, Randall, 2008, Am Fam Physicians, 78(8)945-951
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Dermal Suture
①Hold the left side wound edge with forceps and put needle through few
mm in subcutaneous layer and pull out from the wound edge. Do not
make it too close to the skin surface. ( no less closer than 1 mm from the
skin surface. Suture can be exposed from wound later if it is too close)
②Hold deep in dermis or subcutaneous tissue
of the opposite side of wound edge with
forceps. Insert needle from wound edge
surface and pass a few mm within dermis and
drive into subcutaneous layer.
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Dermal suture
③Wound closure with interrupted suture with instrumental tie
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Tips for dermal suture
Grab and approximate enough amount of dermis
Make it as mildly high profiled wound edge when the skin/tissues
are approximated. Be aware not to raise too much for face and
neck since it may not become flattened later.
*Avoid dermal sutures on eye lids ( thin skin), palm/soles
( mechanical stimulation may occur with suture materials, scalp
( could damage hair follicle)
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Subcuticular running
Forsch, Randall, 2008, Am Fam Physicians, 78(8)945-951
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Questions?
Thank you for your participation!
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References
• Sherris, David, Kern, Eugene, 1999. Basic Surgical Skills: Mayo
Clinic Scientific Press
• Worster, Brooke, Zawora, Michele, Heieh Christine. 2015, Am Fam
Physicians, 91(2):86-92
• Forsch, Randall, 2008, Am Fam Physicians, 78(8)945-951
• Takedai, Teiichi, Komuro, Yuzo. Advanced Surgical Techniques in
Primary Care Office Procedures, 2016, Pittsburgh, FMEC.