Hip

OBJECTIVE: To investigate the repeatability and reproducibility of the presence of a circumferential femoral head osteophyte (CFHO), a curvilinear caudolateral osteophyte (CCO), osteosclerosis of the cranial acetabular edge (Scler CrAE), degenerative joint disease (DJD), and the diagnosis of suspected canine hip dysplasia (CHD) in different groups of experienced observers.

STUDY DESIGN: Cross-sectional study.

SAMPLE POPULATION: Standard hip extended radiographs (n = 50).

Category: Hip - Imaging

The objectives of this pilot study were to develop a video fluoroscopy kinematics method for the assessment of the coxofemoral joint in cats with and without osteoarthritis (OA)-associated disability. Two non-OA cats and four cats affected by coxofemoral OA were evaluated by video fluoroscopy. Video fluoroscopic images of the coxofemoral joints were captured at 120 frames/s using a customized C-arm X-ray system while cats walked freely on a treadmill at 0.4 m/s.

Category: Hip - Imaging - Osteoarthritis

OBJECTIVE:  To assess the medium- to long-term functional outcome of cats after femoral head and neck excision (FHNE) using an owner-completed questionnaire.

Category: Hip - Osteoarthritis
Authors: Devesa V, Rovesti GL, Urrutia PG, San Roman F, Rodriguez-Quiros J.
Journal: J Small Anim Pract

OBJECTIVE: To evaluate the technical feasibility and efficacy of a hip joint distraction technique, any potential ligamentous damage linked to the procedure, and the effect of joint venting on the maximum distraction achieved.

Category: Arthroscopy - Hip
Authors: Bruce CW1, Gibson TW, Runciman RJ.
Journal: VCOT

OBJECTIVES:

The purpose of this study was to compare the stiffness, yield load, ultimate load at failure, displacement at failure, and mode of failure in cantilever bending of locking compression plates (LCP) and dynamic compression plates (DCP) in an acute failure ilial fracture model. Our hypothesis was that the LCP would be superior to the DCP for all of these biomechanical properties.

METHODS:

Authors: Dan BJ1, Kim SE, Pozzi A.
Journal: J Small Anim Pract

A two-year-old Rottweiler presented for acute onset of a right hindlimb lameness 20 weeks after a cementless total hip replacement (THR) and 16 weeks after open reduction to address luxation of the THR. Radiographs revealed periosteal proliferation of the medial acetabulum and a stable implant. Synovial fluid cytology was consistent with inflammatory joint fluid. Treatment consisted of surgical debridement and intravenous and oral antibiotics. THR implants were not removed. Culture of tissue removed from the THR site yielded growth of Pseudomonas and Staphylococcus species.

Authors: Broeckx BJ1, Verhoeven G2, Coopman F3, Van Haeringen W4, Bosmans T5, Gielen I6, Henckens S1, Saunders JH6, van Bree H6, Van Ryssen B6, Verbeke V1,Van Steendam K1, Van Nieuwerburgh F1, Deforce D7.
Journal: Vet J

Although the prevalence of canine hip dysplasia (HD) has been the subject of a number of published studies, estimates vary widely. This study evaluated several possible causes for these differences. Sixty Belgian, Dutch and German veterinarians were asked to submit all hip radiographs obtained for screening purposes (irrespective of HD status) over a 2-year period, resulting in a database of 583 dogs.

Category: Hip - Imaging
Authors: Fitzpatrick N1, Law AY, Bielecki M, Girling S.
Journal: Vet Surg

OBJECTIVE:

To describe outcome after a minimum of 1 year for total hip replacement (THR) using BioMedtrix BFX™ biologic fixation implants in skeletally immature dogs (6-10 months of age).

STUDY DESIGN:

Case series.

ANIMALS:

Dogs (n = 20).

METHODS:

Authors: Maguire P1, Siclari M, Lesser A.
Journal: Vet Comp Orthop Traumatol

Objectives: To describe the radiographic length distortion associated with femoral tilt during cranio-caudal positioning. To describe a modified bisecting angle technique to alleviate image foreshortening. Methods: Five pairs of femurs were imaged. The femurs were tilted from 0 to 50 degrees and the X-ray anode was tilted from 0 to 40 degrees. Femoral length was measured on the resulting images. A geometric model depicting sagittal femoral positioning was described with two trigonometric formulas. Trigonometric formula 1 (TF¹) was designed to predict apparent femoral length.

Category: Hip - Imaging - Knee
Authors: Tomas A1, Marcellin-Little DJ, Roe SC, Motsinger-Reif A, Lascelles BD.
Journal: Vet Surg

OBJECTIVES:

To compare von Frey mechanical quantitative sensory thresholds (mQSTvF ) between pelvic limbs in dogs before unilateral total hip replacement (THR) surgery; to correlate ground reaction forces (GRF) with mQSTvF ; to assess changes in mQSTvF after THR surgery.

STUDY DESIGN:

Prospective clinical study.

ANIMALS:

Dogs (n = 44).

METHODS: