Your Custom Quiz

In Gutbrod 2024 et al., on feline tibial stabilization, what was the mode of failure in all biomechanical tests across constructs?

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Correct. This failure mode mirrored clinical complications in feline tibial fractures.
Incorrect. The correct answer is Valgus (lateral) bending.
This failure mode mirrored clinical complications in feline tibial fractures.

🔍 Key Findings

  • 2.4 mm LCP with a 1.6 mm IM pin had the highest axial stiffness and yield strength among the tested constructs.
  • Axial stiffness was significantly higher in the 2.4 mm LCP + 1.6 mm IM pin group compared to 2.7 mm LCP alone (p = .013).
  • No significant difference in torsional stiffness was found among groups.
  • 2.4 mm LCP + 1.0 mm pin had the lowest stiffness and failure load, underperforming both other constructs.
  • All constructs failed via valgus bending, consistent with clinical observations in feline tibial fractures.
  • A 1.6 mm pin (~50% canal fill) resulted in superior construct performance vs. 1.0 mm (~30% fill).
  • Group 2 (2.4 LCP + 1.6 mm pin) outperformed the 2.7 mm LCP alone in stiffness, despite using a smaller plate.
  • Plate–rod constructs may better preserve periosteal blood supply and support minimally invasive stabilization strategies.

Gutbrod

Veterinary Surgery

4

2024

Ex vivo biomechanical evaluation of 2.4 mm LCP plate rod constructs versus 2.7 mm LCP applied to the feline tibia

2024-4-VS-gutbrod-2

Article Title: Ex vivo biomechanical evaluation of 2.4 mm LCP plate rod constructs versus 2.7 mm LCP applied to the feline tibia

Journal: Veterinary Surgery

In Evers 2022 et al., on bone-to-tendon plate fixation, what fixation technique was used to secure the plate to the tendon?

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Correct. A figure-of-8 suture pattern with 0-Prolene was used to anchor the plate to the tendon.
Incorrect. The correct answer is Figure-of-8 pattern with Prolene.
A figure-of-8 suture pattern with 0-Prolene was used to anchor the plate to the tendon.

🔍 Key Findings

  • Bone-to-tendon plate fixation allowed successful stabilization of a highly comminuted calcaneus fracture in a dog with fragments too small for traditional fixation.
  • The plate was sutured to the common calcaneal tendon using a figure-of-8 pattern, bypassing the need for screw fixation into small proximal fragments.
  • Radiographic union was achieved by 17 weeks, though considered delayed, with the dog returning to normal function by 36 weeks post-op.
  • A second surgery was required to replace the tendon-anchored plate with a calcaneus-only plate due to skin ulceration and implant prominence.
  • Implant-associated infection was suspected; cultures confirmed Staphylococcus pseudintermedius, managed with doxycycline and clindamycin.
  • Use of human placental matrix (hPM) and both autogenous and allogenic bone grafts supported healing, though their specific contribution remains uncertain.
  • Postoperative complications included delayed union and skin ulceration, emphasizing challenges of implant design and soft tissue management.
  • This is the first report of using a bone-to-tendon plate for a calcaneus fracture in dogs and demonstrates its potential in cases where traditional methods are not viable.

Evers

Veterinary Surgery

5

2022

Use of a bone‐to‐tendon plate to stabilize a comminuted calcaneus fracture in a dog

2022-5-VS-evers-4

Article Title: Use of a bone‐to‐tendon plate to stabilize a comminuted calcaneus fracture in a dog

Journal: Veterinary Surgery

In Galliano 2022 et al., on vascular access ports, what was the reported functionality rate of ports placed in the femoral/external iliac vein (fSVAP)?

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Correct. All 4 dogs with fSVAP had fully functional ports during follow-up.
Incorrect. The correct answer is 100%.
All 4 dogs with fSVAP had fully functional ports during follow-up.

🔍 Key Findings

  • SVAPs placed in axillary (aSVAP) or femoral/external iliac veins (fSVAP) during limb amputation remained functional in 92.3% and 100% of cases, respectively.
  • Complication rates were lower in aSVAP (23.1%) and fSVAP (0%) compared to jSVAP (47.4%), although not statistically significant (P = .12).
  • No catastrophic complications occurred with aSVAP or fSVAP; 2 deaths occurred with jSVAP due to port-related issues.
  • Infection-related port removal was needed in 1 aSVAP (7.7%) and 2 jSVAPs (10.5%) — no removals were required in fSVAPs.
  • Tip placement of the catheter (e.g., right atrium vs. vena cava) did not correlate with complications (P = .66).
  • Shorter surgical time likely with aSVAP/fSVAP as they use the same surgical field as the limb amputation.
  • Survival time median was similar across groups (jSVAP: 177 days, aSVAP: 125 days, fSVAP: 122 days).
  • SVAP implantation during limb amputation offers a practical and safe alternative to separate jugular placement.

Galliano

Veterinary Surgery

7

2022

Subcutaneous vascular access port implantation in the axillary or femoral/external iliac vein at the time of full limb amputation in dogs

2022-7-VS-galliano-1

Article Title: Subcutaneous vascular access port implantation in the axillary or femoral/external iliac vein at the time of full limb amputation in dogs

Journal: Veterinary Surgery

In Sisk 2024 et al., what conclusion did the authors draw regarding reamed versus unreamed IMN in dogs?

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Correct. One study cited showed improved outcomes with limited reaming vs. extensive reaming in dogs:contentReference[oaicite:4]{index=4}
Incorrect. The correct answer is Limited reaming improved outcomes in canine tibial fractures.
One study cited showed improved outcomes with limited reaming vs. extensive reaming in dogs:contentReference[oaicite:4]{index=4}

🔍 Key Findings Summary

  • IMN provides relative stability, resists bending/torsion due to central axis alignment
  • Larger diameter nails = exponentially greater stiffness (∝ D⁴)
  • Trade-off: Larger interlocking holes weaken fatigue strength of the nail
  • Reaming increases contact/stability but has pros/cons:
    • Improves outcomes in closed fractures
    • May reduce endosteal blood flow in thin-walled bones (e.g., cats)
  • Design advances:
    • Angle-stable IMN reduce rotational slack
    • Expandable nails simplify insertion but may compromise removal or compressive load resistance
    • Precontoured nails match bone curvature but lack consistent clinical superiority
  • Material debates continue (e.g., titanium vs. stainless steel vs. magnesium)

Sisk

Veterinary and Comparative Orthopedics and Traumatology

6

2024

Biomechanical Principles of Intramedullary Nails in Veterinary and Human Medicine

2024-6-VCOT-sisk-5

Article Title: Biomechanical Principles of Intramedullary Nails in Veterinary and Human Medicine

Journal: Veterinary and Comparative Orthopedics and Traumatology

In Whyte 2025 et al., on cannulated screw fixation, what was the most common major complication observed?

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Correct. Screw breakage was the most common major complication reported in this study.
Incorrect. The correct answer is Screw breakage.
Screw breakage was the most common major complication reported in this study.

🔍 Key Findings

Study focus: Outcomes of cannulated screw fixation in unicondylar humeral condylar fractures (UHCF) in dogs.
Clinical union rate: 89%
Overall complication rate: 36%

  • Major complication: Most common was screw breakage

Significant risk factor for screw breakage:

  • Body weight >20 kg (statistically significant)

Breed distribution:

  • Spaniels, especially English Springer Spaniels, were most common

No mention of plate augmentation as standard in this cohort

Whyte

Veterinary Surgery

2

2025

Use of cannulated screws in the treatment of unicondylar humeral condylar fractures in dogs

2025-2-VS-whyte-1

Article Title: Use of cannulated screws in the treatment of unicondylar humeral condylar fractures in dogs

Journal: Veterinary Surgery

In Price 2024 et al., on left-sided TD ligation in dogs, which procedure was successfully completed via the same incision as TD ligation?

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Correct. All 10 cadavers had this procedure performed via the same left thoracotomy.
Incorrect. The correct answer is Subphrenic pericardiectomy.
All 10 cadavers had this procedure performed via the same left thoracotomy.

🔍 Key Findings

  • Left fourth intercostal thoracotomy allowed successful thoracic duct (TD) ligation in 9/10 canine cadavers.
  • 10/13 clinical cases had a single TD branch at the left fourth intercostal space, indicating lower anatomical complexity.
  • All TD branches at this site were lateral to the esophagus, simplifying surgical access.
  • Unilateral subphrenic pericardiectomy was successfully performed via the same incision in 10/10 cadavers.
  • Fewer TD branches at the fourth intercostal space than traditional caudal sites may reduce the risk of missed collaterals.
  • In contrast, traditional caudal TD ligation sites had up to 5 branches, requiring broader dissection.
  • No cadaver had right-sided TD branches, reducing surgical complexity at the studied location.
  • Contrast-confirmed ligation was effective in 90% (9/10) cadavers on CT imaging.

Price

Veterinary Surgery

3

2024

Evaluation of thoracic duct ligation and unilateral subphrenic pericardiectomy via a left fourth intercostal approach in normal canine cadavers

2024-3-VS-price-5

Article Title: Evaluation of thoracic duct ligation and unilateral subphrenic pericardiectomy via a left fourth intercostal approach in normal canine cadavers

Journal: Veterinary Surgery

In Knudsen 2024 et al., on CTA diagnosis, what was the observed **negative likelihood ratio (NLR)** of CTA for meniscal lesion detection in second readings?

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Correct. A low NLR (≤0.1) suggests CTA is effective for ruling out lesions.
Incorrect. The correct answer is 0.08.
A low NLR (≤0.1) suggests CTA is effective for ruling out lesions.

🔍 Key Findings

  • Multidetector CTA had high sensitivity (up to 100%) and specificity (up to 96%) for detecting medial meniscal tears in dogs.
  • Observer experience significantly influenced diagnostic accuracy, with more experienced observers showing higher agreement and better performance.
  • Training effect was evident, as less experienced observers improved between first and second readings.
  • Positive likelihood ratios ≥4.6 and negative likelihood ratios ≤0.08 were observed, suggesting CTA is clinically useful for confirming or ruling out meniscal injury.
  • CTA allowed identification of full and partial thickness lesions, with good visualization in sagittal, transverse, and frontal reconstructions.
  • Approximately 90% of menisci were correctly classified in second readings.
  • No adverse reactions were noted from the contrast injection; sedation was used instead of general anesthesia.
  • CTA was less invasive and potentially more cost-effective compared to arthroscopy, especially in settings without MRI access.

Knudsen

Veterinary Surgery

8

2024

Diagnosis of medial meniscal lesions in the canine stifle using multidetector computed tomographic positive-contrast arthrography

2024-8-VS-knudsen-4

Article Title: Diagnosis of medial meniscal lesions in the canine stifle using multidetector computed tomographic positive-contrast arthrography

Journal: Veterinary Surgery

In Pilot 2022 et al., on closure methods in sternotomy, what was concluded regarding closure technique choice in large dogs?

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Correct. Dog size increased risk of complications, but closure method did not alter this risk.
Incorrect. The correct answer is Closure material choice does not affect risk in large dogs.
Dog size increased risk of complications, but closure method did not alter this risk.

🔍 Key Findings

  • Overall closure-related complication rate was 14.1%, lower than previously reported (17–78%).
  • No clinically meaningful difference in complication rate between orthopedic wire (17.4%) and suture (11.5%) closure methods.
  • Dog size (≥20 kg) was the only significant risk factor associated with increased closure-related complications (p = .01).
  • Type of closure (wire vs. suture) did not affect risk, even in larger dogs.
  • Suture closure showed a non-significant trend toward fewer complications (mean reduction 2.3%, 95% CI: –9.1% to +4.5%).
  • Most complications were mild (62%), with only 10 severe cases requiring surgical revision.
  • Infection rate was low (2.7%), and not significantly different between wire and suture.
  • Suture closure is a valid alternative to wire, including in large dogs, based on this large, multi-institutional study.

Pilot

Veterinary Surgery

6

2022

Comparison of median sternotomy closure‐related complication rates using orthopedic wire or suture in dogs: A multi-institutional observational treatment effect analysis

2022-6-VS-pilot-5

Article Title: Comparison of median sternotomy closure‐related complication rates using orthopedic wire or suture in dogs: A multi-institutional observational treatment effect analysis

Journal: Veterinary Surgery

In Buote 2023 et al., on 3D printed cannulas, what was the primary benefit observed in cadaver surgeries when using 3D printed cannulas (3DPCs)?

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Correct. Use of 3DPCs significantly reduced surgical time, instrument collisions, and cannula complications in feline cadaver models.
Incorrect. The correct answer is Reduced surgical time and cannula complications.
Use of 3DPCs significantly reduced surgical time, instrument collisions, and cannula complications in feline cadaver models.

🔍 Key Findings

  • Customized 3D printed cannulas (3DPCs) significantly reduced surgical time in feline cadaver models (125.6 vs. 95.2 min, p = 0.03).
  • Use of 3DPCs resulted in a reduction in instrument collisions (6.8 vs. 2.6, p = 0.03).
  • Cannula pullout complications decreased with 3DPCs (10 vs. 2.2 per procedure, p = 0.03).
  • 3DPCs were designed at shorter lengths (3 cm), improving intra-abdominal working space in cats.
  • No incisional or postoperative complications occurred in the two live feline cases.
  • One 3DPC insufflation port broke intraoperatively; resolved by using a male luer lock connector in the next case.
  • CO₂ leakage occurred from re-used silicone valves in 2 ports; emphasizing the need for durable valve design.
  • Estimated cost per 3DPC was <$5.00, suggesting cost-effective customization for feline laparoscopy.

Buote

Veterinary Surgery

7

2023

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

2023-7-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 Janas 2024 et al., on ARC outcomes in cats, what best describes the relationship between seizures and postoperative bloodwork?

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Correct. Some cats continued to have seizures despite normal bile acids and chemistry.
Incorrect. The correct answer is Seizures persisted despite normal bloodwork.
Some cats continued to have seizures despite normal bile acids and chemistry.

🔍 Key Findings:

  • Study design: Retrospective, 20 cats with congenital EHPSS treated with ameroid ring constrictor (ARC).
  • Perioperative complication rate: 25% (5/20), including seizures, blindness, ascites, and one death.
  • Short-term outcomes (18 cats):
    • Excellent: 14
    • Good: 2
    • Poor: 2
  • Long-term outcomes (18 cats):
    • Excellent: 15
    • Good: 1
    • Poor: 2
  • Persistent seizures: Noted in some cats despite normal bile acids and CBC/chemistry.
  • Preoperative blindness resolved in most cats.
  • Mean follow-up duration: Median 8 years.

Janas

Veterinary Surgery

2

2024

Clinical outcomes for 20 cats with congenital extrahepatic portosystemic shunts treated with ameroid constrictor ring attenuation (2002–2020)

2024-2-VS-janas-5

Article Title: Clinical outcomes for 20 cats with congenital extrahepatic portosystemic shunts treated with ameroid constrictor ring attenuation (2002–2020)

Journal: Veterinary Surgery

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