Chapter 1 Flashcards

1
Q

What are musculoskeletal injuries commonly associated with?

A

Concurrent trauma to other organ systems.

Evaluate and treat the patient before concentrating on treat

POLYTRAUMA

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2
Q

You should focus on providing life support prior to addressing orthopedic injuries.

A

True

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3
Q

What is the AO fracture classification system used for?

A

Facilitating fracture repair planning and minimizing intraoperative time.

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4
Q

What should be adhered to in order to avoid patient complications?

A

Proper preoperative assessment and preparation, surgical asepsis, and atraumatic fracture reduction techniques.

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5
Q

What should be evaluated postoperatively?

A

Fracture fixation radiographically for reduction, stability, and joint alignment.

Alignment, Apparatus, Apposition, and Activity

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6
Q

What is important to provide postoperatively to avoid detrimental effects?

A

Supportive care and early active rehabilitation.

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7
Q

What are the four A’s during radiographic review of a fracture?

A
  • Alignment
  • Apparatus
  • Apposition
  • Activity
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8
Q

What does ABCD stand for in triage?

A
  • A = airway
  • B = breathing
  • C = circulatory
  • D = other disabilities.
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9
Q

What is the first priority in patient assessment and triage?

A

Recording vital signs to establish a baseline for treatment.

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10
Q

What should be obtained and submitted for an emergency minimum database?

A

Blood and urine samples.

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11
Q

How is airway patency evaluated?

A

By looking in the oral cavity and pharynx for signs of obstruction.

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12
Q

How can oxygen be administered that does not cause stress?

A
  • Via face mask
  • Nasal insufflation (ex. high flow)
  • Oxygen cage
  • Flow-by technique

The recommended oxygen flow for nasal insufflation is 50 to 100 mL/kg/minute.

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13
Q

What should be assessed to evaluate breathing?

A

Observation and auscultation.

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14
Q

How can oxygen saturation be assessed?

A

By pulse oximetry
or an arterial blood gas test.

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15
Q

What should be assessed to accurately evaluate a fracture injury?

A

The fracture and the surrounding soft tissue

This includes evaluating soft-tissue damage, embedded foreign debris, and neurovascular structures.

Make sure before treatment to complete a physical, orthopedic, and neurological examination. Including appropriate diagnostic imaging techniques.

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16
Q

How should open fractures be handled immediately?

A

Cover them immediately

This helps to prevent contamination and further injury.

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17
Q

What is the purpose of wet-to-dry dressings?

A

For continued debridement of necrotic tissue

These dressings facilitate the removal of nonviable tissue.

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18
Q

What procedure should dyspneic animals undergo for pneumo- or hemothorax?

A

Thoracocentesis

This procedure helps relieve pressure in the thoracic cavity.

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19
Q

What parameters are evaluated to assess circulatory function?

A
  • Heart rate
  • Rhythm
  • EKG
  • Pulse character
  • Mucous membrane color
  • Capillary refill time

These evaluations help determine the hemodynamic status of the patient.

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20
Q

What should be established to treat hypovolemic shock?

A

Vascular access with an intravenous catheter

Crystalloid fluids are typically used to treat hypovolemic shock.This can be follow with hyptertonic saline.

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21
Q

What should be done if crystalloid therapy does not improve hemodynamic status?

A

Consider colloid or blood product supplementation

This may be necessary to stabilize the patient’s condition.

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22
Q

What is included in the emergency minimum database for trauma patients?

A
  • Packed cell volume (PCV) / Total solids
  • Blood glucose
  • Blood urea nitrogen
  • Activated clotting time
  • Urine specific gravity

These parameters help detect preexisting disease.

Baseline blood work parameters should be perofmred the first 24-72 hours to monitor for changes.

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23
Q

What imaging should be evaluated in all animals with external traumatic injuries?

A

Thoracic and abdominal radiographs

This evaluation is crucial before definitive therapy is instituted.

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24
Q

What factors play a role in determining treatment options for musculoskeletal injuries?

A
  • Extent of soft-tissue trauma
  • Presence of embedded foreign debris
  • Damage to underlying neurovascular structure
  • Depth and width of wounds

These factors influence both treatment and functional outcomes.

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25
Q

What should be assessed for the neurological and circulatory status of an affected limb?

A

Sensation and vascular integrity

This includes evaluating voluntary motor and sensory function, skin perfusion, and peripheral pulses.

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26
Q

What is a simple non-invasive method for determining tissue viability?

A

Doppler ultrasound

This technique helps assess blood flow and tissue health.

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27
Q

What type of bandage is recommended for fractures below the elbow and stifle?

A

A Robert Jones bandage or a modified Robert Jones bandage with splints

These bandages provide support and immobilization.

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28
Q

What is required to accurately assess a fractured extremity?

A

A minimum of two orthogonal radiographic views

This ensures a comprehensive evaluation of the fracture.

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29
Q

What should be done if joint instability is suspected in a fractured bone?

A

Obtain stress radiographs

This helps to evaluate the stability of the joint.

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30
Q

What is important to consider when planning fracture treatment?

A

Radiographs of the contralateral intact bone can serve as a template

This is particularly useful in articular fractures.

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31
Q

What should be clearly communicated to the client before surgery?

A

The decision to operate and choice of procedure

Discussing advantages and risks is essential for informed consent.

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32
Q

Why is pain management essential?

A

To reduce anxiety, decrease stress and its associated hormonal and metabolic derangements, and to allow the patient to rest comfortably.

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33
Q

When are analgesics most effective?

A

When administered prior to the onset of pain.

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34
Q

What is preferred for pain management and why?

A

Multimodal or multiple agent analgesia, as it results in a synergistic analgesic effect.

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35
Q

What are common behavioral signs of pain in veterinary patients?

A
  • Vocalization
  • Postural changes
  • Trembling
  • Restlessness
  • Depression
  • Disrupted sleep cycles
  • Inappetence
  • Aggression
  • Agitation
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36
Q

What are common physiological parameters indicative of pain?

A
  • Tachypnea
  • Tachycardia
  • Hypertension
  • Dilated pupils
  • Ptyalism
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37
Q

Which patients benefit from pain management?

A

All trauma and surgical patients.

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38
Q

What phenomenon alters how the nervous system processes pain after surgery?

A

Sensitization.

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39
Q

How do nociceptor afferent fibers change peripherally after injury?

A

They display a reduced threshold for stimulation.

Sensitization

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40
Q

What is the effect on spinal cord neurons in the dorsal horn after injury?

A

They experience an increase in activity and excitation.

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41
Q

What are common agents used as preemptive analgesics?

A
  • Opioids
  • Nonsteroidal anti-inflammatory drugs (NSAIDs)
  • Local anesthetics
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42
Q

What is the role of opioids in pain management?

A

They act at both peripheral and central sites to reduce afferent nociceptive transmission and alter spinal pathways.

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43
Q

What is the action of NSAIDs in pain management?

A

They reduce peripheral nociceptor activity and may have a central analgesic action.

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44
Q

What is the function of local anesthetics?

A

They act peripherally to prevent the transduction of noxious stimulus to the dorsal horn of the spinal cord.

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45
Q

What are less commonly employed analgesic adjunctive agents?

A
  • α2-adrenergic agonists (medetomide, xylazine)
  • NMDA antagonists (e.g., ketamine)
  • Corticosteroids
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46
Q

What distinguishes single agent analgesia from multimodal analgesia?

A

Single agent involves the administration of a lone drug, while multimodal involves a combination of different classes of analgesic drugs.

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47
Q

What are the advantages of multimodal analgesia?

A
  • Selectively targets several sites along the pain pathway
  • Results in an additive or synergistic analgesic effect
  • Reduces dosages of individual drugs
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48
Q

What benefits does multimodal analgesia provide when used preemptively?

A
  • Inhibits surgery-induced sensitization
  • Minimizes development of drug tolerance
  • Suppresses the neuroendocrine stress response
  • Shortens recovery time
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49
Q

What are the effective routes of drug delivery for pain management?

A
  • Injectable
  • Transdermal
  • Oral
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50
Q

What is the benefit of continuous rate infusion (CRI) for narcotics?

A

It maintains a constant plasma level of a drug, eliminating periods of diminishing analgesia.

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51
Q

What should be avoided in pain management?

A

Waiting for the animal to show pain before implementing pain relief.

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52
Q

Which drugs are commonly used as CRI agents?

A
  • Opioids (fentanyl, morphine, pethidine)
  • NMDA antagonists (ketamine)
  • Local anesthetics (lidocaine)
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53
Q

How should fentanyl patches be applied?

A

They must be applied 12–24 hours prior to surgery to reach therapeutic plasma concentration.

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54
Q

What is an important consideration when using transdermal patches?

A

They cannot be modified to change the dose delivered, so patients must be monitored closely.

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55
Q

What role do NSAIDs play in oral administration for pain management?

A

They are the most commonly used oral drugs but should not be used as a single analgesic agent except in minor procedures.

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56
Q

When are NSAIDs most effective?

A

When administered 12–24 hours prior to surgery.

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57
Q

What risks should be considered before using NSAIDs?

A
  • Gastrointestinal ulceration
  • Renal disease
  • Coagulopathy
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58
Q

What should not be used in the management of chronic post-fracture repair pain?

A

Cyclooxygenase 2 (COX-2) inhibitors.

Due to there inhibitory affect on bone healing.

Examples: deracoxib, firocoxib, robenacoxib, mavacoxib, and cimicoxib

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59
Q

Name opioids used in dogs and cats?

A

Morphine
Oxymorphone
Fentanyl
Hydromorphone
Buprenorphine

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60
Q

Name adjunct analgesics with opioids?

A

Alpha adrenergic antagonist (Xylazine, Medetomidine)
NMDA receptors antagnoist (Ketamine)
Local anesthetic (lidocaine)
Tranquillizers (Ace, Diazepam, Midazolam)

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61
Q

Name two common agents used as sedatives in orthopedic procedures.

A
  • Neuroleptanalgesic agents
  • α2-adrenergic-agonist agents
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62
Q

What is neuroleptanalgesia?

A

A combination of a neuroleptic drug (acepromazine) and an analgesic drug (usually an opioid) that induces hypnosis and analgesia.

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63
Q

What are the benefits of using α2-adrenergic-agonists in orthopedic patients?

A
  • Good muscle relaxation
  • Easily reversible
  • Can be combined with opioids for additional analgesia
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64
Q

True or False: α2-adrenergic-agonists are safe for dogs and cats with suspected cardiac dysfunction.

A

False

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65
Q

Why is a balanced anesthetic protocol required for orthopedic procedures?

A

Due to their high level of surgical stimulation.

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66
Q

What components are commonly included in anesthetic protocols for fracture repair?

A
  • Analgesic premedication
  • Injectable induction agents
  • Inhaled gases for maintenance
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67
Q

List some common opioids used in preanesthetic drug combinations.

A
  • Morphine
  • Oxymorphone
  • Hydromorphone
  • Pethidine
  • Fentanyl
  • Meperidine
  • Butorphanol
  • Buprenorphine
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68
Q

What are the alternative combinations for preanesthetic sedation?

A
  • α2-adrenergic-agonist (medetomidine, xylazine) and an opioid
  • Benzodiazepine (diazepam or midazolam) and an opioid
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69
Q

What can be administered as a continuous rate infusion intraoperatively?

A
  • Opioids (morphine or fentanyl)
  • Ketamine
  • Lidocaine
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70
Q

What is the purpose of local and regional anesthetics in surgery?

A
  • Decrease intraoperative pain response
  • Provide good muscle relaxation
  • Attenuate autonomic and endocrine responses to surgery
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71
Q

How can NSAIDs be used prior to surgery?

A

Administered 12–24 hours prior to surgery for improved postoperative comfort.

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72
Q

Fill in the blank: Balanced anesthesia includes _______.

A

[analgesic premedication, injectable induction, inhaled gases, local and regional anesthetics]

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73
Q

What is the effect of balanced anesthesia during fracture treatment?

A

Provides excellent anesthesia, analgesia, and muscle relaxation.

74
Q

What is the primary cause of orthopedic infections?

A

Staphylococcus intermedius originating from the skin

75
Q

What is the infection rate of elective orthopedic surgery?

A

Between 2.5 and 4.8%

76
Q

What are known host risk factors for infection in small animal surgical patients?

A
  • Age of the patient (> 8 years)
  • Presence of distant sites of infection
  • Obesity
  • Preexisting endocrinopathy
  • Prior irradiation of the surgical site
77
Q

What intraoperative factors increase the risk of infection?

A
  • Preclipping the limb prior to anesthetic induction
  • Inadequate skin preparation of the surgical site
  • Prolonged anesthetic episode
  • Administration of propofol as part of the anesthetic protocol
78
Q

What are some intraoperative factors potentiating wound infection?

A
  • Duration of surgery (> 90 minutes)
  • Excessive use of electrocautery
  • Break in surgical asepsis
  • Use of braided or multifilament suture material
  • Large orthopedic implants within the wound
79
Q

Define perioperative antimicrobial prophylaxis.

A

Administration of an antimicrobial agent prior to a surgical incision

80
Q

What is the effect of appropriately employed antimicrobial prophylaxis during clean orthopedic procedures?

A

A four-fold reduction in the rate of infection

81
Q

When is perioperative antimicrobial prophylaxis traditionally not recommended?

A

In clean procedures except when:
* Procedure time exceeds 90 minutes
* Metallic implants are used
* Extensive soft-tissue injury is present

82
Q

What characteristics should an ideal antimicrobial agent have?

A
  • Bactericidal
  • Low toxicity
  • Cost-effective
  • Parenterally administered
83
Q

What is the antimicrobial of choice for most veterinary surgeons?

84
Q

What must occur for an antimicrobial to be effective?

A

It must be present within the tissue at maximal therapeutic concentrations at the time of contamination (or at the time of incision)

85
Q

When should intravenous antimicrobials be administered prior to surgical incision?

A

At least 30 minutes prior (but not more than 60 minutes)

86
Q

What happens if antimicrobials are administered after contamination has begun?

A

They have no effect in controlling wound infection

87
Q

When is redosing of antimicrobials necessary?

A

Based on the known pharmacokinetic behavior of the drug and the time during which adequate concentrations are required

88
Q

What are the criteria for classifying appendicular fractures?

A

Based on location, reducibility, direction, number of fracture lines, stability after anatomical reconstruction, and communication with the outside environment.

AO Vet has adapted a classification system from humans for small animals.

89
Q

What number is assigned to the humerus in the fracture classification system?

A

1

The numbers represent different long bones.

90
Q

What is the alphanumerical code for the radius/ulna?

A

2

Each long bone has a unique number for classification.

91
Q

What is the meaning of ‘A’ in the fracture severity classification?

A

Single fracture

The severity classification includes types A, B, and C.

92
Q

What does type B represent in fracture severity?

A

Wedge or butterfly fragment

This classification helps in understanding the complexity of the fracture.

93
Q

What characterizes a type C fracture?

A

Complex or more than one fragment

This indicates a more severe fracture situation.

94
Q

What defines a type I open fracture?

A

Small laceration (< 1 cm), clean

Type I fractures have minimal soft-tissue injury.

95
Q

What is the size of the laceration for a type II open fracture?

A

Larger laceration (> 1 cm)
Mild soft tissue trauma
No flap or avulsions

Type II fractures involve mild soft-tissue trauma.
A skin wound that communicates with the fracture and more extensive soft-tissue injury due to external trauma

96
Q

What distinguishes type III(a) open fractures?

A

Vast soft-tissue laceration or flaps or high-energy trauma, with soft tissue available for wound coverage.

This type indicates significant soft-tissue injury.

97
Q

What are the characteristics of type III(b) open fractures?

A

Extensive soft-tissue injury loss, bone exposure present, periosteum stripped away from bone.

Indicates a severe level of injury.

98
Q

What complication does type III(c) open fracture indicate?

A

Arterial supply to the distal limb damaged. Possibly requiring arterial repair for limb salvage.

This classification highlights critical vascular injury.

99
Q

What distinguishes type III open fractures?

A

Severe comminution and extensive soft-tissue injury with variable skin loss

These fractures are usually caused by high-energy trauma such as gunshot injuries or vehicular trauma.

100
Q

How are physeal fractures classified?

A

By the Salter-Harris classification system (I–VI)

This classification describes the fracture location with reference to the growth plate.

101
Q

What is the characteristic of Salter-Harris type I fractures?

A

They run through the physis

This type does not involve the metaphysis or epiphysis.

102
Q

What does Salter-Harris type II fractures involve?

A

They run through the physis and a portion of the metaphysis

This type is more common than type I.

103
Q

Salter-Harris type III fractures run through which parts?

A

The physis and the epiphysis

These fractures are generally intra-articular.

104
Q

What defines Salter-Harris type IV fractures?

A

They run through the epiphysis, across the physis, and through the metaphysis

These are also considered articular fractures.

105
Q

What is unique about Salter-Harris type V fractures?

A

They involve a crushing of the physis that is not visible radiographically

This injury becomes evident several weeks later when physeal growth ceases.

106
Q

How are Salter-Harris type VI fractures characterized?

A

By partial physeal closure due to damage to a portion of the physis

This type indicates a more complex injury to the growth plate.

107
Q

What is the main objective of fracture treatment?

A

The early return of the patient to full function.

Detailed planning of the entire surgical procedure and postoperative care.

108
Q

What are the consequences of failing to plan for fracture repair?

A

Prolonged operating time, excessive soft-tissue trauma, and technical errors.

Higher complication rate due to infection, implant failure, delayed healing, and non-union.

109
Q

What patient considerations should be taken into account when choosing a method of fracture repair?

A
  • Age
  • Weight
  • Presence of concurrent injuries
  • Overall general health
  • Expected activity level
  • Intended use of the animal
  • Ability of the owner to perform postoperative care.
110
Q

What imaging is mandatory for a full analysis of the fracture?

A

Orthogonal views of the affected bone including the proximal and distal joints.

Consider radiolographs of contrateral limb

111
Q

What is essential for the restoration of the bone column?

A

Sharing of the weight-bearing load with the implant.

112
Q

What is the risk of an unreconstructed fracture?

A

It relies solely on the implant to sustain axial loading.

113
Q

What factors affect the demands placed on implants in animals with polytrauma?

A

They may be forced prematurely to take weight on an injured limb.

114
Q

What factors are critical in determining healing times for fractures?

A
  • Biological environment of the fracture
  • Age of the animal
  • Vascularity of the fracture site
  • Soft-tissue injuries.
115
Q

What type of fractures heal quickly, especially in young animals?

A

Metaphyseal fractures with an abundance of cancellous bone.

116
Q

What type of fractures may have impaired vascularity and longer healing times?

A

Comminuted high-energy fractures.

117
Q

What mechanical factors affect the load the implant will bear?

A
  • Fracture configuration
  • Potential for reconstruction
  • Presence of concurrent musculoskeletal injuries.
118
Q

What biological factors affect the length of time an implant must function?

A
  • Age
  • Fracture location
  • Soft-tissue injury.
119
Q

What methods are indicated for treating severely comminuted fractures?

A
  • Plates
  • Plate-rod combinations
  • Locked intramedullary nails
  • External fixators.
120
Q

What is the difference between anatomical reconstruction and major segment alignment?

A

Anatomical reconstruction focuses on precise alignment, while major segment alignment may allow for less precise but functional alignment.

121
Q

What is the first step in the fracture planning checklist?

A

Decide on appropriate fixation based on fracture and patient assessment.

Fracture planning checklist:
1. Decide on appropriate fixation based on fracture and patient assessment.
2. Plan fracture reduction.
3. Plan fracture fi xation.
4. Select surgical approach(es).
5. Check implant inventory.
6. Perform surgery.
7. Critically evaluate postoperative radiographs

122
Q

What should be checked before performing surgery?

A

Check implant inventory.

Fracture planning checklist:
1. Decide on appropriate fixation based on fracture and patient assessment.
2. Plan fracture reduction.
3. Plan fracture fi xation.
4. Select surgical approach(es).
5. Check implant inventory.
6. Perform surgery.
7. Critically evaluate postoperative radiographs

123
Q

What is the final step in the fracture planning checklist?

A

Critically evaluate postoperative radiographs.

Fracture planning checklist:
1. Decide on appropriate fixation based on fracture and patient assessment.
2. Plan fracture reduction.
3. Plan fracture fi xation.
4. Select surgical approach(es).
5. Check implant inventory.
6. Perform surgery.
7. Critically evaluate postoperative radiographs

124
Q

When is open reduction preferred over closed reduction?

A

When bone grafting and anatomical reconstruction are needed in articular or comminuted fractures.

125
Q

What are the disadvantages of open reduction?

A

Prolonging surgery time and impairing blood supply.

126
Q

What type of fractures is closed reduction reserved for?

A

Minimally displaced or incomplete fractures, or comminuted fractures treated with external fixation.

Closed reduction perserves blood supply and biology of fracture.

127
Q

What is the direct overlay method in fracture planning?

A

Using radiographic tracings of fracture fragments to plan reduction.

Use contralateral limb for planning

128
Q

What is the primary benefit of closed reduction?

A

Preserves blood supply
also helps biology of the fracture.

129
Q

Fill in the blank: Closed reduction is suitable for ____ fracture or incomplete fractures.

A

nondisplaced

130
Q

True or False: Closed reduction can be used for all types of fractures.

131
Q

What types of reduction is used for :
* Articular fractures
* Simple fractures
* Comminuted fractures w/ major segment alignment & cancellous bone grafting

A

Open reduction

132
Q

What type of reduction is used for:
* Nondisplaced fractures
* Incomplete fractures
* Comminuted fractures treated with external fixation

A

Closed reduction

133
Q

What is the recommended fasting period for patients prior to anesthetic induction?

A

6–12 hours

Continue to provide water

134
Q

What tool is used for hair removal from the surgery site?

A

No. 40 clipper blade

Vacuum is used to collect the removed hair.

135
Q

How far should the clipped area extend for orthopedic procedures of the axial skeleton?

A

At least 8–10 cm past the proposed site of incision.

136
Q

What type of agent is used to cleanse the surgical site?

A

A general cleansing agent such as
* iodophors
* chlorhexidine
* alcohols
* hexachlorophene.

137
Q

What draping techniques are used to create a sterile field?

A

Standard quadrant and fenestrated draping techniques.

138
Q

What should persons with facial hair wear in the operating room?

139
Q

What is the main goal of fracture fixation?

A

To restore limb alignment and to stabilize the fracture.

140
Q

What are the two surgical approaches to treat fractures?

A

Open reduction and closed reduction.

141
Q

What is the advantage of closed reduction?

A

It preserves surrounding soft tissues and blood supply to the bone and decreases the possibility of iatrogenic contamination.

142
Q

What is a disadvantage of closed reduction?

A

Cortical apposition of the fracture fragments is hindered since they cannot be seen.

143
Q

How many times is the surgical site scrubbed during the procedure?

A

Once in the prep room and again after entering the operating room.

144
Q

Is proper surgical attire mandatory for operating room personnel?

145
Q

What is indicated for both nondisplaced fractures and nonreducible fractures?

A

Closed reduction.

146
Q

What is the major benefit of a fully reconstructed bone column?

A

It can share in the weight-bearing load of the limb during fracture healing.

147
Q

What types of fractures is open fracture fixation reserved for?

A
  • Transverse fractures
  • Fractures with a large butterfly fragment
  • Long oblique or spiral fractures
  • Intraarticular fractures
148
Q

What are potential disadvantages of open fracture reduction?

A
  • Iatrogenic contamination
  • Additional soft-tissue damage
  • Impairment of blood supply
149
Q

What are Halsted’s principles of fracture fixation?

A
  • Preservation of all soft-tissue attachments to bone fragments
  • Avoidance of excessive trauma
  • Careful handling of soft tissues, nerves, and vessels

gentle tissue handling
preserving blood supply
strict aseptic technique

150
Q

What instrument may be used to lever the bone segments into alignment?

A

Osteotome or spay hook.

151
Q

What should be done if fissure lines are present in the bone?

A

Support the bone with cerclage wire before levering it into position.

152
Q

How can eccentrically placed fractures be maintained in reduction?

A

By securing a contoured plate to the short distal segment and reducing the proximal segment to the plate.

153
Q

What is the technique for reducing long oblique fractures?

A
  • Secure bone segments with bone-holding forceps
  • Distract the segments
  • Use self-retaining pointed reduction forceps positioned obliquely
154
Q

What does the ‘open-but-do-not-touch’ technique involve?

A

Viewing of fracture fragments without disturbing them while manipulating major bone segments.

155
Q

What is the purpose of distraction in indirect reduction techniques?

A

To align fragments by distracting the bone ends instead of manipulating the fracture site.

156
Q

What is the hanging limb technique?

A

A method of applying traction and countertraction by suspending the limb from a drip stand.

157
Q

What is the primary goal of open reduction?

A

Anatomical alignment and stabilization of reducible fractures.

158
Q

What factors determine the decision to perform open or closed fracture reduction?

A
  • Fracture configuration
  • Fracture location
  • Types of implants used for stabilization
159
Q

What is the four As mnemonic for reviewing postoperative radiographs?

A
  • A = alignment
  • A = apposition
  • A = apparatus
  • A = activity
160
Q

What should be evaluated radiographically postoperatively for fractures?

A

Alignment
Reduction (Apposition)
Implant placement (appartus)

The evaluation is essential for proper postoperative management.

161
Q

What does ‘Alignment’ refer to in postoperative evaluation?

A

The normal orientation of fracture fragments to prevent displacement

Orthogonal view radiographs should be used for inspection.

162
Q

What percentage of cortical apposition is necessary to prevent delayed union?

A

50% cortical apposition

This applies when viewed in both craniocaudal and lateral projections.

163
Q

What does ‘Activity’ refer to in the context of fracture healing?

A

The biological activity of the bone in response to fixation

It indicates whether the fracture is healing.

164
Q

How often should fractures be radiographed to evaluate bone healing?

A

Every 6–8 weeks

This is important to monitor healing and implant position.

165
Q

What may indicate a significant delay in return to function post-fracture repair?

A

Sudden onset of lameness

This could indicate implant loosening, failure, infection, or other complications.

166
Q

What type of bandage is most patients with distal fractures placed in postoperatively?

A

Soft-padded or modified Robert Jones bandage

This is typically for 12–24 hours after fracture repair.

167
Q

What is the purpose of a well-applied bandage postoperatively?

A

To reduce swelling, pain, and contamination, and to support the limb

It also improves patient comfort.

168
Q

What should written discharge instructions include?

A
  • Wound care
  • Suture removal
  • Exercise regimen
  • Bandage, cast, or splint management

This encourages client cooperation and reduces misunderstandings.

169
Q

What is the purpose of local hypothermia in the acute post-injury period?

A

To stimulate vasoconstriction, decrease nerve conduction velocity, and encourage skeletal muscle relaxation

Local hypothermia minimizes fluid leakage and edema by reducing arterial and capillary blood flow.

170
Q

What is the recommended application method for local hypothermia?

A

Multiple short sessions (5–15 minutes up to four times daily)

This method prevents reflex vasodilation and edema.

171
Q

What is local hyperthermia used for in the later stages of recovery?

A

To dilate capillaries, elevate capillary hydrostatic pressure, and increase capillary permeability

Local hyperthermia is combined with other forms of physical therapy like massage or exercise.

172
Q

What are the benefits of massage in veterinary rehabilitation?

A
  • Increased local circulation
  • Reduced muscle spasm
  • Attenuation of edema
  • Breakdown of irregular scar tissue formation

Massage also enhances range of motion and limb mobility.

173
Q

What are the contraindications for massage?

A
  • Unstable or infected fractures
  • Presence of malignancy

In most patients, massage is valuable, especially for trauma patients with restricted mobility.

174
Q

What is passive range of motion (PROM) exercise?

A

Movement of limbs and joints by the therapist with no effort from the animal

PROM aims to maintain normal joint motion and prevent soft tissue and muscle contracture.

175
Q

What is therapeutic exercise?

A

Controlled activity performed by the animal to build strength, muscle mass, agility, coordination, and cardiovascular health

It can be divided into passive and active forms.

176
Q

What is the role of hydrotherapy in canine rehabilitation?

A

To remove lymphedema from extremities, relax the patient, and cleanse the limb

Cold-water hydrotherapy can be employed soon after surgery.

177
Q

What is therapeutic ultrasound used for?

A

To produce the deepest form of physiological heat and treat chronic scar tissue and adhesions

Ultrasound has both thermal and nonthermal effects in rehabilitation.

178
Q

What does neuromuscular stimulation do?

A

Creates artificial contractions in weakened or paralyzed muscle groups

It is indicated following fractures that necessitate prolonged joint immobility.

179
Q

What are the physiological effects of therapeutic ultrasound?

A
  • Increased connective tissue extensibility
  • Increased vascularity
  • Temporary nerve blockage
  • Acceleration of inflammatory phase of healing
  • Decrease in edema

Ultrasound also stimulates collagen synthesis and bone growth.

180
Q

What is the recommended approach for rehabilitation after fracture stabilization?

A

Start with early massage and PROM exercises to reduce edema and muscle spasm

The number of treatments depends on the severity of the fracture and the animal’s response.