The lame cat can represent a significant diagnostic challenge. The relative paucity of specific literature available addressing feline orthopedic patients, the inherent complexity in performing feline gait analysis and orthopedic examination and the discrete, distinct signs that cats exhibit associated with orthopedic disease all represent hurdles to overcome.
This course is designed to provide participants with a comprehensive knowledge of specific feline orthopedic diseases and the clinical signs associated with them through the precourse module as well as onsite lectures and interactive sessions. Both non-surgical and surgical treatment modalities will be discussed and demonstrated in hands-on laboratory sessions and case-based discussions. Emphasis will be placed on challenging conditions commonly encountered in cats and circumstances where therapeutics may differ to those universally employed in canine patients. The entire patient experience will be considered including choice of therapeutic approach, preoperative planning, postoperative patient management and physical rehabilitation. Opportunities will be provided for participants to tailor their course experience to the equipment readily available in their workplace with both minimally invasive and open approaches being demonstrated where appropriate.
Participants should leave this course with the information and experience necessary to feel confident in the diagnosis and management of most common feline-specific orthopedic conditions.
Target Audience:
Practicing Veterinary Surgeons, Fellows and Residents
Prerequisite:
*The AO VET Small Animal Principles course is a prerequisite for this Masters-level course since familiarity with instrumentation and techniques will be assumed
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Activity will be certified for continuing education.
Expected results of AONA's CME activities for surgeons, fellows, and residents are to:
• Increase their knowledge base and surgical skill level
• Improve competence by applying advances of knowledge in patient care in the areas of trauma, degenerative disorders, deformities, tumors, and reconstructive surgical techniques
• Address practice performance gaps by improving management of aspects of traumatic injuries and musculoskeletal disorders (i.e., pre-operative planning to post-operative care)
• Discuss the prevalence of degenerative joint disease in cats and the association with pain • List risk factors for increasing prevalence and severity of degenerative joint disease • Review the behavioral changes associated with feline degenerative joint disease • Consider the typical findings on orthopedic examination for a cat with degenerative joint disease • Discuss the radiographic pathology associated with degenerative joint disease in cats
• Discuss the roles that environmental and activity modulation, physical rehabilitation, dietary modulation and weight reduction play in the management of a cat with DJD • List the medications available for management of feline DJD and consider the evidence-base supporting their use • Review options for monitoring cats with DJD and assessing their response to treatment • Consider when surgical treatment may be pursued and list broad categories of surgical options available (specific surgical options will be covered in lectures focused on particular joints).
• Detail the prevalence and pathogenesis hip dysplasia in cats • Consider the common presenting complaints and orthopedic examination findings in cats with hip dysplasia and resultant osteoarthritis • Discuss the radiographic features associated with hip dysplasia and associated osteoarthritis in cats with particular focus on where this contrasts with dogs • Discuss surgical treatment options for hip dysplasia and associated osteoarthritis (non-surgical management is covered in the feline DJD talk)
• Detail the pathogenesis and typical clinical presentation for a cat with a slipped capital femoral epiphysis • Detail the pathogenesis and typical clinical presentation for a cat with metaphyseal osteopathy affecting the femoral neck • Discuss treatment options and subsequent prognoses for a slipped capital femoral epiphysis and how these may change with chronicity of the condition • Discuss treatment options and subsequent prognoses for femoral neck fractures, including those associated with metaphyseal osteopathy
• Review the pathogenesis of cranial cruciate ligament rupture in cats and how this compares to dogs • Discuss the relevance of radiographically evident intra-articular mineralization • Review the prognosis associated with non-surgical management for cats with cranial cruciate ligament rupture • List the surgical treatment options available and briefly review the limited evidence-base associated with each
• Detail the typical clinical presentation of cats with patellar luxation including potential concomitance of cranial cruciate ligament rupture • Discuss options for deepening the trochlear groove in cats including the benefits of block recession trochleoplasty and potential requirement for partial parasagittal patellectomy • Discuss tibial tuberosity transposition in cats and stabilization thereof • Review the prognosis following surgery
• Review the proposed pathogenesis of patellar fracture and dental anomaly syndrome • Discuss potential presentations of this condition • Detail specifically how patellar fractures associated with PADs are treated, contrasting this with traumatic patellar fracture treatment in dogs • Briefly review the recommended treatment and prognosis for other fractures associated with PADS in cats (humeral condyle, tibia etc.)
• Review the common combinations of structures injured with traumatic stifle disruption and how to diagnose these • Discuss primary ligamentous repair and placement of prosthetic ligaments • Consider the requirement for, and methods of, transarticular immobilization postoperatively • Detail the postoperative care and prognosis for cats with multi-ligamentous stifle instability
• Review salient anatomical differences between the feline and canine shoulder • Discuss the shoulder conditions encountered in cats including glenoid dysplasia, osteochondrosis dissecans, shoulder luxation and shoulder instability in the absence of luxation • Review diagnostics for the above conditions • Detail treatment options and associated prognoses for the above conditions
• Review salient anatomical differences between the feline and canine elbow • Discuss the proposed pathogenesis of medial humeral epicondylitis • Discuss the clinical presentation and diagnostics for MHE including radiography, CT and ultrasound • Detail treatment options and associated prognoses for this condition
• Discuss salient anatomical differences between cats and dogs that impact on antebrachial fracture management • Review treatment options for antebrachial fractures in cats including their proposed advantages and disadvantages • Specifically discuss dual-bone stabilization for radius-ulna fractures in cats • Detail appropriate follow-up for radius-ulna fractures in cats and list potential complications
• Discuss salient anatomical differences between cats and dogs that impact on the types of humeral fractures commonly encountered in cats and their management • Review treatment options available for humeral fractures in cats including their proposed advantages and disadvantages • Detail the prognosis for humeral fractures in cats and consider the role of minimally invasive techniques in reducing this • Detail how humeral fractures occurring secondary to patellar fracture and dental anomaly syndrome (PADS) may differ from humeral fractures more commonly encountered in cats
• Discuss the high complication rate associated with feline tibial fractures and the potential explanations for the complications encountered • Review treatment options available for tibial fractures in cats including their advantages, disadvantages and potential complications • Specifically compare and contrast techniques of dual-plating and interlocking nailing for feline tibial fractures • Consider the role of minimally invasive surgery in reducing complication rates following tibial fracture in cats
• Review prevalence and configurations of femoral fracture encountered in cats including fractures of the shaft, distal femoral physeal fractures and articular fractures, including those affecting the trochlea (Note: slipped capital femoral epiphyses and femoral neck fractures have been covered in a previous session) • Discuss treatment options available for femoral shaft fractures including proposed advantages and disadvantages • Detail potential complications and prognoses for the different types of femoral fracture discussed • Review how complication rates can be minimized following femoral fracture in cats
• Review common pelvic fracture configurations in cats and combinations of injuries often encountered • Discuss treatment options available for common injuries (sacroiliac luxation, ilial fracture, acetabular fracture but with emphasis on ilial fracture) • Review methods to deal with paucity of bone stock in ilial fracture repair (dorsal plating, double-plating, use of locking implants for example) • Review complications encountered with pelvic fracture repair and consider ways in which complication rates can be reduced
• Briefly review the salient anatomy including the ascensus medullaris and innervation of the bladder • Discuss the typical history and clinical signs of a cat with a tail pull injury • Discuss the factors affecting prognosis following a tail pull injury • Detail options for management for both the primary injury (including indications and contraindications) and secondary neurological deficits
• Review the salient anatomical differences between the feline and canine carpus and tarsus, particularly with respect to the collateral ligaments and how this impacts on their repair or placement of prosthetic ligaments • Demonstrate the differences in interpretation of carpal stressed radiographs in cats when compared to dogs • Discuss situations where treatment options for carpal injuries in cats may differ from dogs; for example the differing approach to a case of carpal hyperextension • Discuss situations where treatment options for tarsal injuries in cats may differ from in dogs; for example calcaneal fractures that may be associated with patellar fracture and dental anomaly syndrome or stress fractures (Note: shearing injuries and malleolar fractures will be dealt with in a different lecture)
• Briefly review initial orthopedic assessment, including diagnostic imaging, and factors which may affect prognosis for the injured limb • Discuss options for wound management • Review common orthopedic injuries associated with shearing injuries including malleolar fractures, talocrural luxation etc. and detail an approach to management of the orthopedic injuries in the presence of a shearing wound • Review recommended follow-up procedures and prognosis associated with shearing injuries
• Describe the facial, thoracic and orthopedic traumatic injuries commonly seen in high-rise syndrome • Detail treatment of a traumatic split palate with and without torn palatal soft tissue • Discuss the approach to a case of polytrauma and how the presence of multiple injuries may alter decision-making (Note: the individual treatment of tibial fracture, femoral fracture, humeral fracture and radius/ulna fracture has already been covered) • Review the prognosis for cases of high-rise syndrome
• Review initial clinical examination and diagnostic imaging for cats suffering maxillofacial trauma • Discuss treatment options for mandibular body and mandibular ramus fractures including advantages and disadvantages • Review treatment options for temporomandibular joint fractures and luxations and discuss potential complications • Review the technique of excisional arthroplasty of the temporomandibular joint in preparation for the lab
• Discuss the potential need for nutritional support in cats following trauma • Review external coaptation and joint immobilization options and when these are recommended • Review postoperative analgesia options, indications and contraindications • Discuss timing of postoperative follow-up and what factors may influence this
• Consider indications for physical rehabilitation in cats • Review the four target areas of rehabilitation – strength, endurance, range of motion and proprioception • Discuss passive and active rehabilitation techniques used in cats and give case examples • Detail importance of monitoring and setting of reasonable goals as part of the physical rehabilitation process
It is the policy of AO North America to abide by the Accreditation Council for Continuing Medical Education Standards for Commercial Support. Standard 2: “Disclosures Relevant to Potential Commercial Bias and Relevant Financial Relationships of Those with Control over CME Content,” requires all planners, including course directors, chairs, and faculty, involved in the development of CME content to disclose their relevant financial relationships prior to participating in the activity. Relevant financial relationships will be disclosed to the activity audience. The intent of the disclosure is not to prevent a faculty with a relevant financial or other relationship from teaching, but to provide participants with information that might be of importance to their evaluation of content. All potential conflicts of interest have been resolved prior to the commencement of this activity.
Some medical devices used for teaching purposes and/or discussed in AO North America’s educational activities may have been cleared by the FDA for specific uses only or may not yet be approved for any purpose. Faculty may discuss off-label, investigational, or experimental uses of products/devices in CME certified educational activities. Faculty have been advised that all recommendations involving clinical medicine in this CME activity are based on evidence that is accepted within the profession of medicine as adequate justification for their indications and contraindications in the care of patients.
All scientific research referred to, reported or used in this CME activity in support or justification of a patient care recommendation conforms to the generally accepted standards of experimental design, data collection and analysis.
AONA does not endorse nor promote the use of any product/device of commercial entities. Equipment used in this course is for teaching purposes only with the intent to enhance the learning experience.
This course will involve exposure to and contact with animal anatomic specimens. These specimens are being utilized for purposes of teaching and learning and are to be treated with the utmost respect. Participants should be familiar with and understand the potential risks involved and will be required to observe all customary safety procedures.
In-Kind Support
AO North America gratefully acknowledges in-kind support for equipment and technical staff from J&JMedTech.
Educational Grant
AO North America gratefully acknowledges funding for its education activities from the AO Foundation. The AO Foundation receives funding for education from Synthes GmbH.