Your Custom Quiz

In de la Oliva 2024 et al., what effect did prophylactic transcondylar screw placement have in elbows with contralateral HIF?

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Correct. 20 elbows with HIF were treated prophylactically with TCS; no complications or fractures occurred in follow-up:contentReference[oaicite:4]{index=4}
Incorrect. The correct answer is Prevention of fracture with no complications.
20 elbows with HIF were treated prophylactically with TCS; no complications or fractures occurred in follow-up:contentReference[oaicite:4]{index=4}

🔍 Key Findings Summary

  • 89 French Bulldogs with HCF; 40.4% (36/89) had contralateral HIF
  • Prophylactic transcondylar screws placed in 20/36 HIF; no complications in these
  • Complication rate for HCF repair = 13.4% (6.7% minor, 6.7% major)
  • Most complications occurred with Kirschner wire fixation
  • Short-term outcome: Bone healing observed in all, but 14/45 had persistent intracondylar gap
  • Long-term outcomes (n=27):
    • Excellent = 66.7%
    • Good = 29.6%
    • Fair = 3.7%
  • Complication-free dogs significantly more likely to have excellent/good outcomes (p = 0.007)

Delaoliva

Veterinary and Comparative Orthopedics and Traumatology

3

2024

Humeral Condylar Fractures in French Bulldogs: Prevalence of Contralateral Intracondylar Fissure, Treatment, and Outcome

2024-3-VCOT-delaoliva-5

Article Title: Humeral Condylar Fractures in French Bulldogs: Prevalence of Contralateral Intracondylar Fissure, Treatment, and Outcome

Journal: Veterinary and Comparative Orthopedics and Traumatology

In Petchell 2025 et al., on CORA-based CCWO, which of the following methods showed the least variability in postoperative outcomes across all breeds?

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Correct. CCWOCORA had zero variance in TPAPOST (5.00° in all cases), making it the most predictable.
Incorrect. The correct answer is CCWOCORA.
CCWOCORA had zero variance in TPAPOST (5.00° in all cases), making it the most predictable.

🔍 Key Findings

  • The CORA-based cranial closing wedge ostectomy (CCWOCORA) consistently achieved the target postoperative TPA of 5° across all tibial morphologies.
  • CCWOCORA produced significantly less variability in postoperative TPA compared to other methods (TPA range: 5.00–5.00°; p < .001).
  • Mechanical axis advancement (MAA) was precisely controlled at 3° in CCWOCORA, leading to greater surgical predictability.
  • Other techniques (e.g., CCWOTPA, CCWOTPA–5, CCWOISO) showed greater variance in TPA, MAA, and tibial length.
  • In small-breed dogs, increasing the MAA from 3° to 5° did not affect TPA outcomes, but increased proximal bone stock, improving feasibility.
  • Wedge angles and tibial length changes varied by method, but CCWOCORA maintained length better than TPA-based methods.
  • The technique allows preoperative planning of both desired MAA and TPA, enhancing predictability and customization.
  • CORA methodology enables precise geometric correction and alignment of mechanical axes, reducing reliance on trial-and-error alignment.

Petchell

Veterinary Surgery

7

2025

An in silico comparison of a novel CORA-based cranial closing wedge ostectomy methodology with three other techniques

2025-7-VS-petchell-4

Article Title: An in silico comparison of a novel CORA-based cranial closing wedge ostectomy methodology with three other techniques

Journal: Veterinary Surgery

In Buote 2023 et al., on 3D-printed cannulas in feline laparoscopy, what was the effect on mean surgical time?

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Correct. Use of 3DPCs reduced mean surgical time from 125.6 to 95.2 minutes (*p* = 0.03).
Incorrect. The correct answer is Decreased by 30 minutes.
Use of 3DPCs reduced mean surgical time from 125.6 to 95.2 minutes (*p* = 0.03).

🔍 Key Findings

  • 3D-printed cannulas (3DPCs) reduced mean surgical time significantly in cadaveric procedures (125.6 vs 95.2 min, p = 0.03).
  • Cannula pullout events decreased from a mean of 10 to 2.2 per procedure when using only 3DPCs (p = 0.03).
  • Instrument collisions were significantly fewer with 3DPCs (6.8 vs 2.6 collisions, p = 0.03).
  • Live patients experienced no postoperative complications, including no incision site infections or discomfort.
  • Initial versions of 3DPCs had minor issues, including valve leakage and looser trocar fit, requiring surgical workarounds.
  • Customization of cannula shaft length (3 cm vs standard 5–8.3 cm) improved working space and reduced instrument interference.
  • Production cost was under $5 per cannula, suggesting 3DPCs may be a cost-effective and reusable alternative for small patients.
  • Study supports broader use of 3DPCs in laparoscopic procedures requiring long-jawed instruments or intricate tissue handling.

Buote

Veterinary Surgery

6

2023

3D printed cannulas for use in laparoscopic surgery in feline patients: A cadaveric study and case series

2023-6-VS-buote-1

Article Title: 3D printed cannulas for use in laparoscopic surgery in feline patients: A cadaveric study and case series

Journal: Veterinary Surgery

In Rehnblom 2025 et al., on OrthoLine fracture fixation, what conclusion was reached regarding radial fractures with shorter plate spans?

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Correct. Radial fractures demonstrated reliable healing even with shorter plate spans.
Incorrect. The correct answer is They healed acceptably despite shorter spans.
Radial fractures demonstrated reliable healing even with shorter plate spans.

🔍 Key Findings

  • High clinical union rate (93.4%) was achieved across 75 fractures treated with the OrthoLine™ system.
  • Owner-assessed outcomes were universally acceptable or full, with no unacceptable outcomes reported.
  • Overall major complication rate was 12.2%, including implant failure (1.1%) and implant infection (2 cases).
  • Shorter plate spans in radial (46.6%) and ulnar (33.0%) fractures were well tolerated without increased nonunion.
  • Femoral constructs used longer plate spans (73.3%) compared with radius/ulna, reflecting differing biomechanical demands.
  • Use of postoperative external coaptation was common (46.7%) and associated with higher minor bandage-related complications.
  • Titanium alloy and stainless-steel plates both produced acceptable healing, with no delayed unions attributable to material choice.
  • The OrthoLine™ system was deemed a promising alternative locking plate system for small animal fracture repair.

Rehnblom

Veterinary Surgery

8

2025

Open reduction and internal fixation of 75 small animal fractures treated with the OrthoLine™ fracture system

2025-8-VS-rehnblom-5

Article Title: Open reduction and internal fixation of 75 small animal fractures treated with the OrthoLine™ fracture system

Journal: Veterinary Surgery

In Kikuchi 2025 et al., on arthroscopic MMI in toy breeds, what arthroscopic finding was associated with **severe** meniscal injury?

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Correct. Severe MMI was defined as requiring partial meniscectomy, often due to bucket-handle or flap tears.
Incorrect. The correct answer is Bucket-handle tear.
Severe MMI was defined as requiring partial meniscectomy, often due to bucket-handle or flap tears.

🔍 Key Findings

  • Medial meniscus injury (MMI) occurred in 36.3% of stifles with CrCLR in toy breed dogs (<5 kg)
  • Complete CrCLR was significantly associated with MMI (15.3% of complete vs. 3.4% of partial)
  • Severe lameness (grade 3) increased the likelihood of MMI compared to mild lameness (grade 1)
  • Higher body weight, even within the toy breed range, was positively associated with MMI
  • Yorkshire Terriers had the highest MMI incidence (55.6%), but this was not a significant independent factor due to multicollinearity
  • Arthroscopy identified more meniscal damage (including small radial tears and bucket-handle lesions) than gross examination might detect
  • MMI was classified as mild (radial tear) or severe (bucket-handle or flap) with implications for partial meniscectomy
  • Arthroscopy was used in all cases, underscoring its utility in small-breed stifle assessment

Kikuchi

Veterinary and Comparative Orthopaedics and Traumatology

5

2025

Incidence of Medial Meniscus Injury Detected by Arthroscopy in Toy Breed Dogs

2025-5-VCOT-kikuchi-3

Article Title: Incidence of Medial Meniscus Injury Detected by Arthroscopy in Toy Breed Dogs

Journal: Veterinary and Comparative Orthopaedics and Traumatology

In Trefny 2025 et al., on locking plate biomechanics, which configuration showed higher construct stiffness in compression bending?

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Correct. Short working length had significantly higher stiffness than long in compression bending.
Incorrect. The correct answer is Short working length.
Short working length had significantly higher stiffness than long in compression bending.

🔍 Key Findings

  • Short working length constructs had significantly higher stiffness and lower strain than long constructs in compression bending (p = 0.0172).
  • In tension bending, short constructs also had higher precontact stiffness and lower strain, but this reversed after transcortical contact (~150 N).
  • Transcortical contact increased stiffness only in long constructs, producing a bilinear load-displacement curve.
  • Postcontact stiffness was higher in long constructs, but this may not reflect clinical benefit due to risks of high interfragmentary strain.
  • Short working length reduced strain at multiple ROIs under both loading conditions, including over fracture gap (Tables 1–3).
  • Increased working length promoted stress concentration and deformation, especially in compression bending.
  • In vitro benefits of long constructs (via contact stability) may not translate to healing, as repetitive loading could increase plate strain and bone resorption.
  • Plate strain was effectively mapped using 3D digital image correlation, confirming regional strain differences between configurations.

Trefny

Veterinary and Comparative Orthopaedics and Traumatology

3

2025

Effect of Plate Screw Configuration on Construct Stiffness and Plate Strain in a Synthetic Short Fragment Small Gap Fracture Model Stabilized with a 12-Hole 3.5-mm Locking Compression Plate

2025-3-VCOT-trefny-1

Article Title: Effect of Plate Screw Configuration on Construct Stiffness and Plate Strain in a Synthetic Short Fragment Small Gap Fracture Model Stabilized with a 12-Hole 3.5-mm Locking Compression Plate

Journal: Veterinary and Comparative Orthopaedics and Traumatology

In Cantatore 2022 et al., on transanal submucosal resection, which of the following was independently associated with increased recurrence risk following surgery?

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Correct. Incomplete margins were independently associated with recurrence (P = .023).
Incorrect. The correct answer is Incomplete surgical margins.
Incomplete margins were independently associated with recurrence (P = .023).

🔍 Key Findings

  • Submucosal resection via a transanal approach was associated with a low rate (1.1%) of major complications and prolonged survival across benign and malignant rectal tumors.
  • Overall recurrence rate was 21.5%, with higher recurrence in malignant tumors: 28.6% (carcinomas) and 30.4% (carcinoma in situ) vs. 13.6% (adenomas).
  • Complications (P = .032) and incomplete margins (P = .023) were independently associated with increased recurrence risk.
  • Recurrence was the only factor associated with increased risk of tumor-related death (P = .046).
  • Repeat submucosal resection was successful in 60% of dogs with recurrence, indicating feasibility of this as a salvage approach.
  • 1-, 2-, and 5-year survival rates for carcinomas were 95%, 89%, and 73%, though overall survival was significantly longer for benign tumors (P = .001).
  • Preoperative diagnostics (FNA, biopsy) were often inconsistent with final histopathology – only 64.3% biopsy agreement.
  • Presurgical imaging was not consistently performed, limiting accurate staging in many dogs.

Cantatore

Veterinary Surgery

3

2022

Submucosal resection via a transanal approach for treatment of epithelial rectal tumors – a multicenter study

2022-3-VS-cantatore-2

Article Title: Submucosal resection via a transanal approach for treatment of epithelial rectal tumors – a multicenter study

Journal: Veterinary Surgery

In Mazdarani 2022 et al., on CBLO and stifle biomechanics, what was the **mean postoperative tibial plateau angle (TPA)** achieved after CORA-based leveling osteotomy (CBLO)?

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Correct. CBLO reduced the mean TPA from 28.1° to 9.7°, consistent with the surgical goal of flattening the tibial slope.
Incorrect. The correct answer is 9.7°.
CBLO reduced the mean TPA from 28.1° to 9.7°, consistent with the surgical goal of flattening the tibial slope.

🔍 Key Findings

  • CBLO reduced tibial plateau angle (TPA) from a mean of 28.1° to 9.7°, aligning with its goal of flattening the tibial slope.
  • CBLO eliminated cranial tibial translation (CTT) following CCL transection and meniscal release at all angles except 140° without hamstring load.
  • Hamstring loading (20% quadriceps load) significantly reduced or delayed the onset of CTT, improving stifle stability.
  • Medial meniscus was confirmed as a secondary stabilizer; its release (MMR) caused more CTT than CCLx alone.
  • PTA (patellar tendon angle) increased with joint extension; CBLO shifted the PTA curve lower and parallel to intact values, suggesting effective flexion of the joint.
  • Combined CBLO and hamstring loading resulted in the most stable joints, especially from 50° to 135° joint angles.
  • Residual CTT occurred in CBLO-only limbs at higher extension angles (e.g., 140°), but hamstring load mitigated this.
  • Stifle stability post-CBLO is multifactorial, depending on joint angle, meniscal integrity, and hamstring activation.

Mazdarani

Veterinary Surgery

6

2022

Effect of center of rotation of angulation‐based leveling osteotomy on ex vivo stifle joint stability following cranial cruciate ligament transection and medial meniscal release with and without a hamstring load

2022-6-VS-mazdarani-1

Article Title: Effect of center of rotation of angulation‐based leveling osteotomy on ex vivo stifle joint stability following cranial cruciate ligament transection and medial meniscal release with and without a hamstring load

Journal: Veterinary Surgery

In Horwood 2024 et al., on complications in luxoid hip dysplasia, what was the most common surgical revision performed for dorsal luxation?

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Correct. Most luxated LH dogs were revised with femoral neck lengthening and/or increased head size to restore stability.
Incorrect. The correct answer is Increased femoral neck length.
Most luxated LH dogs were revised with femoral neck lengthening and/or increased head size to restore stability.

🔍 Key Findings

  • Luxoid hip dysplasia (LH) was present in 8% of THA cases and significantly increased risk of major complications (p < .001).
  • Intraoperative fissures/fractures were 3x more likely in LH dogs vs non-LH (39% vs 16%, p = .001).
  • Dorsal luxation was more frequent in LH dogs (28% vs 4%, p = .019).
  • Acetabular cup placement with ALO >35° was associated with luxation in LH dogs.
  • Morphologic abnormalities (e.g., femoral valgus, lateralization/medialization of cortices) were common in LH and may complicate implantation.
  • Despite higher risk, 94% of LH dogs achieved satisfactory outcomes after appropriate revisions.
  • Younger age and lighter weight characterized LH dogs (mean age 14.7 months vs 40.9 months, p < .001).
  • All LH dogs were treated with cementless stems; prophylactic cerclage was rarely used.

Horwood

Veterinary Surgery

4

2024

Complications and outcomes of total hip arthroplasty in dogs with luxoid hip dysplasia: 18 cases (2010–2022)

2024-4-VS-horwood-3

Article Title: Complications and outcomes of total hip arthroplasty in dogs with luxoid hip dysplasia: 18 cases (2010–2022)

Journal: Veterinary Surgery

In Huels 2025 et al., on second-generation screw cup THA, which implant component was responsible for most major complications?

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Correct. 6 out of 7 major complications were related to the femoral implant, not the acetabular cup.
Incorrect. The correct answer is Femoral stem.
6 out of 7 major complications were related to the femoral implant, not the acetabular cup.

🔍 Key Findings

  • Total complication rate was 16.7%, with 5/30 hips experiencing major complications, mostly related to the femoral component.
  • Cup-associated complications were rare (3.3%), with only one case of acetabular cup luxation attributed to surgical technique rather than implant failure.
  • No cases of late aseptic loosening were observed during a median follow-up of 17.5 months.
  • Implant stability was attributed to the SCSL's porous, trabecular titanium surface, enhancing osseointegration.
  • Three femoral stem fractures occurred in a single dog, leading to implant removal; material testing was not performed.
  • Most complications were femoral in origin (6/7), not acetabular, suggesting improved performance of the SCSL.
  • Explantation rate was 13% (4/30), but some removals were due to owner preference against revision.
  • Subjective functional outcome was full recovery in 26/30 hips, including one with successful revision of stem subsidence.

Huels

Veterinary and Comparative Orthopaedics and Traumatology

2

2025

Complications and Long-Term Outcome in 30 Canine Total Hip Arthroplasties Using a Second-Generation Selective Laser Melted Screw Cup

2025-2-VCOT-huels-2

Article Title: Complications and Long-Term Outcome in 30 Canine Total Hip Arthroplasties Using a Second-Generation Selective Laser Melted Screw Cup

Journal: Veterinary and Comparative Orthopaedics and Traumatology

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