Surgical Asepsis and Wound Care, Fractures, Surgery Care Flashcards
What is HAI or nosocomial infection?
Infection given to patient in hospital. Influenced by HCP having direct contact, type and number of invasive procedures, length of stay.
What is medical asepsis?
Clean technique. Reduce and prevent spread of microorganisms like using standard precautions.
What is it called when you use sterile technique and its the procedure to eliminate microorganisms? It’s needed when breaking skin barriers.
Surgical asepsis.
What are the 7 principles of surgical asepsis?
- Sterile remain sterile when touched by sterile
- Sterile objects can be placed on sterile field- sterile objects kept in clean/dry areas, sterile packages must remain dry and intact
- Sterile object/field out of range of vain and object held below someone’s waist is contaminated (keep field in view at all times and don’t turn back)
- Sterile object/field becomes contaminated by long exposure to air (decrease talking, sneeze, laugh, cough, hold items close to sterile field)
- When sterile surface contacts with wet contaminated surface, sterile object and field is contaminated by capillary action (make sure surface below sterile field is dry, avoid apply when pouring, moisture seeping though sterile package=microorganisms travel to sterile object)
- Fluids flows in direction of gravity (keep instruments lower than handles, hands above elbows-surgical scrub)
- Edges of sterile field are contaminated (2.5 cm border)
What is an acute wound?
wound that heals in timely manner. Could be because of trauma or incision. Wounds are easily cleaned and repaired. wound edges intact/approximated.
What is chronic wound?
Would that fails to heal in timely manner. Like vascular compromise, chronic inflammation. Continued expose to insult will impeded wound healing.
What do we cleanse wounds with?
Normal saline
What is debridgement of healable wound?
Remove the non-viable tissue.
What is the appropriate moisture balance for wounds?
Not too wet and not too dry.
What is primary intention healing?
Minimal and no tissue loss, wound approximated, minimal scar formation.
What is secondary intention healing?
Tissue loss, edges not approximated, wound filled by scar (connective tissue), risk of infection greater, takes longer to heal.
What is tertiary intention healing?
Wound left open for several days then closed surgically .
What are the 4 stages in wound healing?
- Hemostasis- within minutes of injury body send platelets to site to aggregate/vasoconstrcit blood vessels, starts clotting
- Inflammatory- body protective response to injury, last 2-4 days, histamine released causes vasodilation and WBC migrate, leukocytes ingest bacteria and dead cells
- Proliferative- last 3-24 days, new blood vessel forms, collagen contracts and decreased wound bed size to speed healing, epidermal cells migrate over granulation tissue
- Maturation/remodel- up to 2 yrs, surface of wound look healed , collagen production continues, scar formed
What factors affect wound healing?
Nutrition, age, lifestyle, medications, contamination, colonization, and infection.
True or false: you need practitioners order to change dressings?
True
what are the types of wound drainage?
Serous- clear, watery plasma
Purple t- thick, yellow, green, brown (infection)
Serosanguineous- pale, red, watery, mixture of clear/red fluid
Sanguineous- bright red, indicates active bleeding (fresh)
What are the % for amount of drainage?
none- 0
scant- less 5% soiled
small 5-25%
moderate 25-50%
large 50-75%
saturated >75%
What does REEDA stand for?
How to assess simple wounds. Redness, ecchymosis (bruise), edema, drainage, and approximation.
How do we cleanse wounds?
Clean from least to most contaminated. 5 swiped with different gauze with gentle friction. Swiped over incision line first then beside.
What are wound drains?
Device placed near wound if large amount of drainage is anticipated. Should assess the drainage for colour, consistency, amount, blockages. Sometimes they are stitched and held in place with suture. Also assess peri drain skin for redness.
How do we clean drains?
Clean by circling around sit with gauze. Use different gauze for each swipe. Clean the incision before the drain site.
What is a penrose drain?
Open drain that allows fluid to flow passively from area inside to outside the body. Has safety pin that sterile on outside of drain.
When removing the drain, what do you have to make sure that’s intact?
The tip so it doesn’t leave pieces inside the patients body.
What is the hemovac drain?
Closed vacuums drain that holds a lot of fluid (400-500 mL). It uses suction and often used for bone surgery.
What is the jackson pratt drain?
Closed vacuum drain that holds 90-100 mL of fluid. Works on suction principle to pull out fluid. If ball is compressed that means suction is engaged.