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Surgery Lecture Test

QuestionAnswer
surgical prep for orthopedic surgeries -extra large area for extreme sterile precautions -cover end of foot with VetWrap -3 stage prep on each side, moving outwards from centre -cover leg with sterile stockinette
True or False: we use Opsite during orthopedic surgeries true
what do you do to a stockinette if you are leaving it on the leg during the surgery suture edges to the incision to maintain sterility
For a femoral intramedullary pinning procedure, when you are approaching fracture site through surgical dissection, you must avoid cutting/damaging... - muscles -tendons/ligaments -nerves -arteries/veins -other important structures
4 types of orthopedic surgeries 1. femoral intramedullary pinning 2. declaw 3. dewclaw removal 4. tail docking
what infection is very difficult to resolve once established Osteomyelitis
for the femoral intramedullary pinning where do you incise? just cranial to the femur
3 steps to femoral intramedullary pinning 1. incise through stockinette/opsite and skin just cranial to the femur 2. incise the fascia lata just in front of the femur 3. locate the vastus lateralis and biceps femoris 4. blunt dissection 5. pinning occurs 6. top of pin is cut flush to skin
2 types of orthopedic pinning 1. Normo-grade pinning 2. Retro-grade pinning
what is Normo-grade pinning pin chuck is used to push the IM pin into the bone marrow, it is started at the Trochanteric fossa and proceed down the marrow past the fracture. fin is advanced until it lodges in the distal epiphysis of the bone
what is retro-grade pinning pin is inserts at the fracture, advanced into proximal portion until it pops out the top of the femur. pin is pushed through incised skin, pin chuck is removed and then the pin is advanced distally until the end of the pin lodges in the distal epiphysis
how would we close the left pinning before taking a rad to ensure placement skin will be temporarily closed with towel clamps or by quickly suturing just the skin closed
what are the last 2 steps of a pinning procedure 1. top of pin is cut flesh with the muscles/skin with pin cutters 2. skin incision at hip and original surgical incision are closed
suturing patterns and layers for femoral intramedullary pinning surgery -muscle layer and fascia lata is closed with simple interrupted absorbable suture -skin is any suture pattern or skin staples
3 things to watch out for during post op after a femoral intramedullary pinning -swelling and discharge -ensure the animal is not licking the area -clients should monitor surgical site
how long should orthopedic surgical patients not be vigorously exercised for 7 days post op
when is the suture removal for an orthopedic surgery 10-14 days (by now the animal will most likely be using their fractured leg somewhat
when would be remove a pin after orthopedic surgery -maybe never -4-8 weeks
what does the removal of the pin after a orthopedic surgery depend on -severity of the fracture -age of animal (young heal faster) -species (cats heal quicker)
how is the skin closed after a pin removal incision closed with 1-2 sutures or allowed to heal by second intention healing
what are Rongeurs used for during orthopedic surgeries break up/cut/shape/remove bone
what are bone holding forceps used for during orthopedic surgeries -used to hold bone while pinning and have strong gripping teeth
what are liston bone cutting forceps cuts larger pieces of bone, of have a double handle to increase power
what are vergrugge and reduction forceps used for hold bone fragments in reduction while inserting fixators such as screws
what is a bone curete used for have a sharp edge to remove bone and a cup shape on the end to scoop out pieces of bone. most commonly used to cut out OCD (osetochondritis dissecans) lesions
what is a rake retractor used for -used to hold muscle tissue out of the way
what is a weitlander retractor used for retracts muscle without a person needing to hold them
what is a jacobs chuck used for used to advance intramedullary pin into marrow cavity
what are intramedullary pins used for to stabilize fractures
what are kirschner wires used for stabilize fracture site
what are bone plates and screws used for used in more complicated fractures
what are external fixators used for combination of internal and external components of pins and apparatus to stabilize fractures
what are wire twisters used for used to twist circlage wired
what are bone rasps used for smooth rough edges of bone
what are periosteal elevators used for remove muscle from bone by releasing periosteum
what is a osteotome used for used to cut through bone
what is a bone mallet used for used to strike an osteotome or any other instrument that needs to be pounded during surgery
what is a cast saw used for cut casts for removal
what does physical therapy provide after orthopedic surgeries -pain relief -build strength - re-educate patients to walk in a balanced manner after injury of illness
5 examples of physical therapy -magnets -anxiety wrap -electrical stimulation -hydrotherapy -massage
what 4 things is physical therapy normally in the treatment plan for -orthopedic conditions -neurological conditions -post op -wound care
what is a VT's role in physical therapy -carrying out procedures -educating clients -expanding education with different courses
True or False: A declaw is performed by a VT false
what feet are normally declawed front two feet
surgical prep for a declaw -feet are scrubbed with betadine or chlorhexidine and warm water and rinsed with alcohol. -squirt betadine or chlorhexidine solution onto each toe and wrap feet with clean gauze
explain the paw block for a declaw palmar aspect of paw -medially (0.10-0.15ml) -laterally (o.10-0.15ml) Dorsal aspect of paw -distal to carpus from lateral to medial (0.20ml) -between metacarpal I and II (0.10ml)
what is applied above the elbow before a declaw after that paws blood has been milked into the body 2 tourniquets
how long can a tourniquet stay on for maximum of 20 minutes
where is the line of the cut for the declaw should extend through the white membrane at the claw base
what are the 3 methods of declaws 1. Guillotine method 2. Scalpel/Dissection Method 3. laser
explain the guillotine method for declaw 1. trimmers are pressed against the bone, cut the white membrane at base 2. nail is removed with a firm motion 3. will be able to see P2 dorsally and a small portion of P3 remaining 4. a #15 scalpel blade can be used to remove remaining portion of P3
explain the scalpel /dissection method for declaw 1. claw is grasped with an Ochsner forcep and traction is placed to open joint 2. #15 scalpel blade P3 is dissected out 3. First cut behind P3 to loosen its attachment to the paw 4. P3 is gently twisted in each direction and dissected off
why is the laser method for declaw so popular results in less hemorrhage and post-op pain
what happens to the hole in the toe after a declaw -may be left unclosed (not common) -sutured -closed with tissue glue
where does the tissue glue go after a declaw ONLY to the skin..NO internal tissue or bone
how to wrap the paw immediately follow declaw prior to other foot bing done 1. pressure bandage put on 2. sterile telfa pad with ointment applied over incision 3. apply gauze, reflected over the end of the paw and go up 3/4 way to the elbow 4. apply layer of vetwrap
how to bandage the paw for a longer period of time after a declaw procedures 1. remove tourniquet 2. last, apply several pieces of adhesive tape around the top of the bandage
when are declaw bandages removed the day after the procedure and observed for hemorrhage
what to do post-op for a declaw - use news litter or non clay litter as nothing can get in the openings for a minimum of 7 days - examine paws twice daily for signs of infection or bleeding
7 declaw post-op complications 1. hemorrhage 2. swelling (usually temporary thrombosis in the veins 3. infection 4. pain (gabapentin used for Phantom limb pain 5. regrowth of a claw (if portion of P3 is left) 6. missed claws 7. osteomyelitis
a few declaw alternatives 1. scratching post 2. trim nails frequently 3. soft paws to cap nails 4.behavioural techniques to dissuade 5. tenotomy
what does declawing reduce cats ability to climb up/down trees, catch birds and defend itself (be cautious if the cat goes outdoors)
when is a declaw removal ideally done and why 3 days of age, pups immune system are still naive
why are declaws performed -prevent damage to claws later in life - conform to breed specifications
why is tail docking normally done conform with breed standards
what is the length the tail would be docked too length is chosen according to the breed standards set out by the American/Canadian kennel club
what should you always do before cutting the tail during a tail docking retract skin on tail cranially to ensure there is enough to cover the end of the tail
3 devices used for tail docking -scissors -guillotine devise -laser
how is a tail docking incision closed tissue glue or single interrupted absorbable suture
4 reasons for caesarian sections -breed related dystocia - uterine inertia - maternal problem - fetal problem
3 reasons to avoid caesarian sections -potential for maternal anesthetic problems -potential for anesthetic problems for pups -potential for bitch to fail to bond to offspring
explain C-section procedure -wide surg prep - cut linea alba -pack off -pull out one horn and incise -gently massage placenta to detach from uterus -extrude sac with puppy and pass to assistant -uterus closed in 2 layers the rest is closed in the same manner as spay
why do you need to ensure to take care when opening linea alba dont cut the milk glands
True or False: a c-section is considered a contaminated surgery true
examples of care of neonates -receive in warm clean towel -pull sac off face -Aspirate mouth and nose with bulb syringe -rub chest gently to stimulate breathing -wait a few mins to clamp and cut cord
normal puppy vitals heart rate= 70-120 bpm resp rate= 15-40 rpm temp= 38.0-39.0 °C
3 reasons for doing a cystotomy 1. remove bladder stones 2. exploratory to check for chronic cystitis 3. repair ruptured bladder
1 thing done to prep for cystotomy 1. urinary catheter is helpful to empty bladder before surgery and helps flush bladder after surgery
explain the procedure for a cystotomy 1.cut linea alba, caudal to spay location 2.exteriorize/pack off bladder 3.stay sutures can be used, empty bladder 5.incise avascular area with scalpel 6.pull out stones 7.flush saline in catheter 8.close 2 layers 9.leak test 10.abdomen closed
what is involved in aftercare after a cystotomy -special diets -antibiotics -stones should be analyzed
what is intervertebral disc disease when a disc ruptures, material may go ventrally, laterally, or dorsally
which disc ruptures presents the most clinical signs dorsal rupture
where does interverterbral disc disease normally happen usually located midcervical region, or L1 and L2
clinical signs of intervertebral disc disease -pain -ataxia -lack of proprioception -paralysis -loss of sensation (superficial or deep)
what is the non-surgical treatment for intervertebral disc disease -rest -diazepam or tranquilizers to minimize movement -corticosteroids to decrease swelling -NSAIDS for pain -Need to do surgery ASAP if not responding
2 surgical treatments for intervertebral disc disease 1. laminectomy 2. fenestration
what is a laminectomy remove part of the vertebrae at affected area, expose spinal cord and take prolapsed disc out, then put bone back
what is a fenestration remove diseased discs before they rupture completely
what is the 5 importances of the cruciate ligament 1. no supporting muscles 2. stifle joints lacks snug ball in socket 3. relies on 7 ligaments 4. most commonly cranial cruciate is ruptured 5. often due to sudden movement or fall in an overweight animal
clinical signs of a cruciate ligament rupture -wont use affected limb -anterior drawer movement present -can move tibia back and forth relative to femur
small animal vs large animal cruciate ligament repair small animals can most likely repair itself with cage rest but large animals should have surgical repair
what is a very common complication of a cruciate ligament repair arthritis
3 cruciate ligament repair options 1. extracapsular suture stabilization 2. intracapsular stabilization 3. TPLO (tibial plateau leveling osteotomy)
post op care for cruciate ligament repair -NSAIDS -Bandaging -Physical therapy
what is a femoral head ostectomy involves removal of the head and neck of the femur
what is a femoral head ostectomy also known as femoral head excision or femoral head arthroplasty
3 reasons why a femoral head ostectomy is done 1. treat a fracture of the femoral head 2. treat a luxated hip that cannot be reduced 3. to relieve arthritic pain from severe hip dysplasia
after a femoral head ostectomy what does the body form a "false joint" with muscles and ligaments
other alternative treatments for hip dysplasia -nutraceuticals -omega fatty acids -NSAIDS -cartrophen -pectinectomy -triple osteotomy -artificial hip replacement
what is a pectinectomy older treatment being used again where the pectineus muscle is severed, this appears to relieve pain but it is temporary
what is a triple osteotomy changes the configuration of hip joint, must be done before arthritic changes are present
in a artificial hip replacement, what is it replacing -acetabulum -femoral head and neck
what are the 2 approaches for a thoracotomy -sternotomy -through ribs
what must we preserve during a thoracotomy heart and lung function
5 reasons why a thoracotomy is performed 1. internal compressions 2. repair congenital heart defects 3. treat lung lobe torsions 4. treat chest abscesses 5. cardiovascular studies in research
what do you do for a pneumothorax during thoracic surgery -IPPV (intermittent positive pressure ventilation) -Ventilator -Decrease anesthetic concentration -monitor depth
what species are abscesses normally found in intact tom cats
what is a typical appearance of a abscesses -swelling -alopecia -febrile -if it ruptures there will be blood and pus
treatments for abscesses (early detection) -plush or shave hair around wound -hot packs -antibiotics -anti-inflammatories -drains
treatment for abscesses (late detection) -shave area widely -lance if not already open -flush thoroughly -place drain -antibiotics and anti-inflammatories usually administered
what 2 other things should be done after a cat gets an abscess -if still intact cat should be neutered -tested for FeLV and FIV
home care for abscesses -flush with chlorhexidine along side drain -give antibiotics -hot pack or soak if difficult to drain
steps to treating a laceration 1. put sterile jelly on wound 2. clip and clean around wound 3. trim edges smooth 4. debride wound 5. flush with water or saline 6. close or leave open 7. place drain 8. antibiotics/anti-inflammatories 9. dehiscence is common
when is a vaginal prolapse most common during proestrus or estrus in the bitch
True or False: vaginal prolapse rarely occurs during parturition in small animal species True
3 types of vaginal prolapses 1. Type I: found on vaginal palpation and tissue is smooth and shiny 2. Type II: protrudes from vulva, only 1cm of vaginal floor is affected 3. Type III: rare, entire circumference of vagina protrudes, tissue is dry/wrinkly and maybe cracked/ulcerated
treatment of vaginal prolapse -support until edema/hyperplasia resolves with progression of estrus cycle -protect tissue from trauma/infection -apply topical antibiotic/steroid cream -OVH if not breeding (resolves in 5-7 days) -surgical excision to remove devitalized tissue
when does a rectal prolapse normally occur in young animals secondary to irritation of rectum and straining to defecate
what 2 conditions can cause a rectal prolapse 1. colitis 2. enteritis
what cats are predisposed to a rectal prolapse Manx cats
clinical findings of rectal prolapse -colonic or rectal mucosa extending from the anus
treatment of rectal prolapse -resolve primary cause -lubricate finger, push mucosa back into rectum -place a purse-string suture in anus for 1-3 days if re-prolapses
treatment to prevent straining -epidural may be necessary -kaopectate retention enema to provide relief -surgical correction and resection of affected rectum in severe cases
what are biomedical lasers -specialized surgical equipment used to cut or destroy tissues
advantages of biomedical lasers -hemostasis while cutting -less post-op swelling and pain than with scalpel
disadvantages of biomedical lasers -delayed wound healing -safety
what are the specialized safety precautions when using biomedical lasers -special glassess -prevent ignition of combustible smoke emission by using a smoke evacuator -wear a laser-safe surgical mask to prevent inhalation of debris
what is electrosurgery (cautery) -cut or coagulate tissue to minimize bleeding -passes high frequency alternating electrical current through tissue
2 types of electrosurgery (cautery) 1. monopolar 2. bipolar
what is monopolar electrosurgery -current passess from hand-piece, through patient, to metal ground place under the patient (use gel between plate and patient)
what is bipolar electrocautery -current passes between two tips on the hand piece that are used to grasp tissue
what is a hernia protrusion of an organ or fat out of its normal location in the abdomen, through a defect in the body wall
hernias can be ______________ or _______________. congenital, acquired
7 common types of hernias in domestic animals 1. umbilical 2. inguinal 3. scrotal 4. diaphragmatic 5. perineal 6. incisional 7. traumatic
what is a umbilical hernia usually fat or omentum that is swelling seen at umbilicus
what is a inguinal hernia abdominal contents come through inguinal canal, site is usually where leg meets the body and it could contain intestine
what sex is a inguinal hernia most common in males
what is a scrotal hernia similar to inguinal hernia except that the contents fo all the way into scrotal sac
what is a diaphragmatic hernia abdominal contents go through tear in diaphragm into chest
what is a diaphragmatic hernia recognized by dyspnea
treatment for diaphragmatic hernia pull back abdominal contents through linea alba and suture the diaphragm
what is a perineal hernia abdominal contents particularly bladder, go through muscles adjacent to base of tail
what is a incisional hernia -secondary to a surgery -suture line dehisces and some contents emerge
what is a traumatic hernia -occurs anywhere on body wall -muscle tears and organs escape
what are the dangers of a un-repaired hernias -loop of bowel or bladder may go through body wall into hernial sac -may become trapped -circulation may be impaired -may see G.I. obstruction
can congenital hernias self repair yes
surgical steps to repairing/correcting a hernia 1. incise skin, expose contents of hernial sac 2. replace abdominal contents or remove 3. close muscle layers 4. close skin 5. may sometimes need mesh if large
what type of suture pattern is used to correct a hernia and why "vest over pants" pattern as extra strength is needed for repair
explain the "vest over pants" suture pattern tissues overlap rather than lining up
6 reasons to do a C-section in large livestock -calf is too large or heifer too small -malposition that cant be corrected -twins tangled up -uterine torsion -fetal monsters -failure to progress during birth
how is anesthesia given for a c-section in livestock -usually done standing -give xylazine or acepromazine for sedation -may give epidural -block paralumbar fossa
what approach do you used for a normal C-section in livestock -Left Paralumbar fossa
how big is the incision for a C-section in cattle 18 inches long through all 3 muscle layers and peritoneum
what is the calf usually put out with during a c-section OB chains
what part of the calf is usually removed first during a c-section legs first
uterus is closed in how many layers 2
what suture pattern is used to close the skin layer of a cow after a c-section ford interlocking pattern
cafe care right after birth -hang over gate to remove fluid -tickle nose with straw -suction -dry and rub with towel -treat navel with iodine solution -ensure colostrum is ingested
what is a rumenotomy incision into the rumen
reasons for doing a rumenotomy -hardware disease -grain overload -removal of other foreign objects
where is the incision made in a rumenotomy paralumbar fossa
where is the rumen in the body -rumen is cranial to incision, under ribs
why is the rumen sewn to skin avoid spillage of rumen contents into abdomen
the rumen is closed in how many layers 2 layers
how to close up the skin layer -ford interlocking pattern and then simple interrupted at bottom on incision
what is LDA left displaced abomasum
what is RDA right displaced abomasum
what is LDA/RDA -during pregnancy, abomasum moves back and forth under rumen -after parturition abomasum can no longer move -gets trapped on left or right side
how do you detect LDA -cow feels sick and has a decreased appetite and reduced milk production -can auscultate a "ping" when cow is tapped over the abomasum
why is there a "ping" sound during LDA due to gas build up in abomasum (gas caps)
steps to surgical correction of LDA 1. go through linea alba or paralumbar fossa 2. prep skin 3. often use big lap sheet and shoulder length gloves 4. muscle layers incised 5. locate abomasum and decompress with syringe 6. rotate it back 7. suture in place to body wall
other methods of correction for LDA/RDA use toggle method - this is done blind - not suitable for all candidates
what is equine colic -abdominal pain of various causes
causes of colic - obstructions -displaced organs - torsions - poor circulation - parasites - change in feed - etc
appearance of animal with colic -restless -anxious -kicking at flank
vitals of an animal with colic -heart rate and resp rate increased (HR of 40 ok, 40-80 painful but wait, >80 do surgery) -increased CRT -congested MM
medical treatments for colic -banamine or NSAID first -pass nasogastric tube -rectal check for impaction, displacement, etc
surgical treatment for colic -place IV catheters to give fluids -may give mineral oil PO if impacted -Analgesics -Linea alba approach with general anesthetic
post op problems after colic surgeries -dehiscence (bandage for support) -stormy recovery -diarrhea -myositis -laminitis -ileus -recurrence of colic -nerve damage
what is ileus failure of gut motility
what is the reason for equine castration behaviour more controllable
open vs closed castration Open: take testicle out of vaginal tunic Closed: leave testicle in vaginal tunic
steps of castration in equine 1. skin incision and either do closed or open technique 2. crush spermatic cord with emasculators (nut-to-nut) 3. remove testicle and part of cord 4. often leave skin incision open to drain
in a cryptorchid castration what do we need to do before they are under -locate the testicle if in inguinal canal, approach externally
post op problems in equine after a castration -infection -flies -herniation and dehiscence -swelling (exercise helps)
what is it called when horses aspirate air through vulva -windsucking
how to fix windsucking in a horse caslicks surgery
what is caslicks surgery -suture dorsal vulvar lips together to prevent this -must leave small hold for urination -must remove sutures before breeding or foaling
what can windsucking cause -air in vagina can predispose to vaginitis and infertility
what is roaring paralysis of laryngeal cartilages such that they don't pull out of the way when horses breathes
what side is roaring usually most common on only left side
how can you observe roaring -observe by endoscopy
how to correct roaring -general anesthesia with a roaring burr or suture material to hold open
before surgery for equine what must you do to them groom, bathe, wash feet, wash mouth, remove shoes
why must you avoid perivascular injection thrombosis and phlebitis
where must a horse be recovered padded stall
where should you put padding under a horse when they are in dorsal recumbency underneath the shoulder and gluteal muscles
which surgeries are to be performed in dorsal recumbency -abdominal surgeries -laryngeal ventriculectomy -arthroscopies -neurectomy
when in lateral recumbency for equine surgery what direction should the down foreleg be pulled pulled forward
why is the head well padded on a horse during surgery protect the facial nerve from paralysis
which surgeries are performed in lateral recumbency -eye surgeries -tooth extractions -mandible fracture repairs -laryngotomy -arthroscopies -periosteal strips -splint fracture removal -neurectomy -condyle fracture repair
which procedures can be performed when they are sedated and standing -extraction of wolf teeth (1st premolars) -repair rectovaginal tears (epidural) -caslkicks procedure -perianal lacerations (epidural) -uncomplicated ovarioectomies -tendon splitting -castration -neurectomy (of a single branch)
how many minutes is your chlorhexidine scrub for a horse surgical site minimum 7 mins
what 2 procedures do you not use alcohol on for equine -castrations -eye surgeries
if eye is being enucleated (removed) what must you do to the eyelids eyelids are sutured closed
what position do horse recover in after surgery the same recumbency they were in during surgery
what lateral recumbency is preferred for recover in horses after surgery left lateral
where is padding placed on a horse during recovery padding placed between the halter and the face
what must be worn by the personnel during the recovery of a horse helmet
when is the ET tube pulled out during an assisted recovery when they swallow
when is the ET tube pulled out during a non-assisted recovery horse is standing
where should a horse be kept post op kept in a warm and quiet location
what is the feeding regimen for horses post op -clinic specific -determined by type of surgeries -monitor feces
what condition is ALWAYS a risk during general anesthesia for a horse ileus (cessation of intestinal motility) and can lead to impactions/obstructions
when can soft food be offered to horses after surgery after feces is passed
when can a small amount of hay be fed to horses after surgery a few hours after eating soft food such as bran mash
what to do if a horse does not pass any feces after surgery -vet does a rectal exam to see if impacted
what to do if a horse is impacted after surgery and cannot pass feces mineral oil and warm water is introduced into the stomach
Created by: jscott41
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