Your Custom Quiz

In Karydas 2025 et al., on follow-up radiography, which factor had the highest odds ratio for triggering a postoperative plan change?

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Correct. Radiographic abnormalities had an OR of 51.9, but were never sole triggers for plan changes.
Incorrect. The correct answer is Radiographic abnormalities.
Radiographic abnormalities had an OR of 51.9, but were never sole triggers for plan changes.

🔍 Key Findings

139 immature dogs with humeral condylar fractures (HCF) reviewed retrospectively.
Postoperative plan changed in 17% (23/139) of cases.
Key risk factors for plan change:

  • Owner concerns (OR: 7.6)
  • Analgesic use at follow-up (OR: 7.9)
  • Lameness (OR: 5.9)
  • Abnormal clinical exam (OR: 44.8)
  • Radiographic abnormalities (OR: 51.9)

No plan changes were based solely on radiographs when clinical signs were absent.
Supracondylar K-wire migration noted in 3.5% of dogs without affecting the clinical plan.
Authors conclude that routine follow-up radiographs offer limited value without concurrent clinical indicators.

Karydas

Veterinary Surgery

2

2025

Impact of postoperative radiography on the management of humeral condylar fractures in immature dogs

2025-2-VS-karydas-2

Article Title: Impact of postoperative radiography on the management of humeral condylar fractures in immature dogs

Journal: Veterinary Surgery

In Ritson 2025 et al., on feline hilar lobectomy sealants, how were devices evaluated for seal integrity?

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Correct. Bronchial stumps were tested with increasing pressures in submerged cyclic ventilation simulation.
Incorrect. The correct answer is Leakage under cyclical positive pressure ventilation.
Bronchial stumps were tested with increasing pressures in submerged cyclic ventilation simulation.

🔍 Key Findings

  • No leakage occurred using pretied ligature loops (PLL) or double-shank (DS) titanium clips up to 40 cm H₂O airway pressure.
  • 1/10 stapled lobes leaked at supraphysiologic pressure (40 cm H₂O), but this was not statistically significant (p = .33).
  • All techniques sealed effectively under physiologic and supraphysiologic pressures in cadaveric feline lungs.
  • PLL and DS clips required less working space than staplers, making them more practical for small thoracic cavities.
  • DS titanium clips offer enhanced security due to dual shanks and tissue-gripping design, reducing clip slippage.
  • Leak testing was cyclic and submerged, simulating physiologic ventilation and allowing robust evaluation.
  • Stapling failure occurred along the staple line, highlighting risks of air leakage due to staple misalignment or poor hilar access.
  • PLL and DS clips may be cost-effective and efficient alternatives for open or minimally invasive feline lung lobectomy.

Ritson

Veterinary Surgery

7

2025

Ex vivo comparative evaluation of feline hilar lung lobectomy using linear stapler, pretied ligature loop, and double-shank titanium clips

2025-7-VS-ritson-4

Article Title: Ex vivo comparative evaluation of feline hilar lung lobectomy using linear stapler, pretied ligature loop, and double-shank titanium clips

Journal: Veterinary Surgery

In Ferreira 2025 et al., on tibial torsion measurement, what was the average torsion angle measured using the new method?

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Correct. The new CT-based method reported a mean torsion angle of 16.00° ± 8.77.
Incorrect. The correct answer is 16.00° ± 8.77.
The new CT-based method reported a mean torsion angle of 16.00° ± 8.77.

🔍 Key Findings

Objective: Validate a new 3D CT-based method for measuring tibial torsion in dogs with MPL, comparing it to a traditional method.

Sample: 40 tibiae from client-owned dogs with MPL (primarily small-breed).

Repeatability (intraobserver):

  • New method: ICC = 0.99 → excellent agreement

Reproducibility (interobserver):

  • New method: ICC = 0.83 → high agreement
  • Traditional method: ICC = 0.52 → moderate agreement

Torsion angle measurements:

  • New method avg: 16.00° ± 8.77
  • Traditional method avg: 8.76° ± 4.92

Conclusion: The new method is more repeatable, reproducible, and provides higher torsion values than the traditional Aper method, especially reliable for small-breed dogs.

Ferreira

Veterinary Surgery

3

2025

Repeatability and reproducibility of a tomographic method for measuring tibial torsion in dogs with medial patellar luxation

2025-3-VS-ferreira-3

Article Title: Repeatability and reproducibility of a tomographic method for measuring tibial torsion in dogs with medial patellar luxation

Journal: Veterinary Surgery

In Radke 2022 et al., on outcome measure validation, what feature contributed to recommending CBPI, COI, and LOAD for clinical use?

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Correct. These tools met COSMIN Category A criteria for recommendation based on their measurement properties.
Incorrect. The correct answer is Each showed sufficient content validity and (when applicable) internal consistency.
These tools met COSMIN Category A criteria for recommendation based on their measurement properties.

🔍 Key Findings

  • CBPI, COI, and LOAD are recommended for assessing canine osteoarthritis based on COSMIN criteria.
  • COI scored highest in development rigor and evidence quality among evaluated OROMs.
  • Internal consistency, reliability, and responsiveness were commonly validated, though no OROMs reported measurement error.
  • LOAD was considered formative, and internal consistency assessment was deemed unnecessary.
  • CBPI and COI showed sufficient internal consistency, but CBPI’s factor structure was inconsistent across studies.
  • All 6 evaluated OROMs (CBPI, COI, LOAD, BHSII, HCPI, HVAS) were quick to complete (under 5 min).
  • Three tools—BHSII, HCPI, HVAS—need more evidence before recommendation; only CBPI, COI, and LOAD are Category A (recommended).
  • Future studies should assess interpretability, including measurement error and clinically meaningful change scores (MIC, SDC).

Radke

Veterinary Surgery

2

2022

Evidence‐based evaluation of owner‐reported outcome measures for canine orthopedic care – a COSMIN evaluation of 6 instruments

2022-2-VS-radke-5

Article Title: Evidence‐based evaluation of owner‐reported outcome measures for canine orthopedic care – a COSMIN evaluation of 6 instruments

Journal: Veterinary Surgery

In Johnson 2022 et al., on PET implant outcomes, what fixation method was used for securing the implant to bone?

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Correct. This method was chosen for simplicity, adequate fixation, and prior validation in ex vivo testing.
Incorrect. The correct answer is Bi-cortical screws, spiked washers, and absorbable interference screws.
This method was chosen for simplicity, adequate fixation, and prior validation in ex vivo testing.

🔍 Key Findings

  • Only 2 of 10 PET implants were fully intact and functional at 6 months post-op.
  • Owner-reported function (LOAD scores) improved by 51.7% (p = .008) over 6 months.
  • Gait asymmetry improved by 86% (p = .002) postoperatively.
  • Implant failure occurred in the midbody of the PET device, suggesting fatigue as a failure mechanism.
  • One dog (10%) developed implant infection, necessitating implant removal.
  • Implant fixation method (screws + washers + interference screw) was mechanically adequate and technically simple.
  • Partially intact implants (4/10) still showed improved clinical outcomes, despite structural compromise.
  • Midbody tearing and lack of long-term integrity prohibit continued use of this PET implant in CCL repair.

Johnson

Veterinary Surgery

8

2022

Outcome of cranial cruciate ligament replacement with an enhanced polyethylene terephthalate implant in the dog: A pilot clinical trial

2022-8-VS-johnson-5

Article Title: Outcome of cranial cruciate ligament replacement with an enhanced polyethylene terephthalate implant in the dog: A pilot clinical trial

Journal: Veterinary Surgery

In Clough 2022 et al., on CBLO-TTT construct testing, why might the CBLO-TTT not suffer the same load-to-failure weakness seen in TPLO-TTT constructs?

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Correct. The cranial rotation of the proximal segment in CBLO preserves contact and support that is lost in TPLO-TTT.
Incorrect. The correct answer is It maintains the buttress effect between tibial crest and plateau..
The cranial rotation of the proximal segment in CBLO preserves contact and support that is lost in TPLO-TTT.

🔍 Key Findings

  • Combined CBLO-TTT did not reduce load to failure compared to CBLO or TTT alone (P = .81 and P = .12, respectively).
  • CBLO-TTT maintains construct strength without significant compromise compared to individual procedures.
  • Most common failure mode in CBLO-TTT was displacement of the tibial crest segment with k-wire pullout and tension band untwisting.
  • No fulcrum effect was seen in CBLO-TTT, unlike TPLO-TTT combinations, likely due to preservation of buttress effect.
  • Patellar ligament avulsion occurred in both CBLO and CBLO-TTT, but not as a clinical concern — possibly artifact from cadaver model.
  • Load-to-failure testing was static and unidirectional, not accounting for cyclic fatigue or in vivo healing.
  • Plate size and saw blade variation were based on clinical realism, introducing potential variability but not affecting outcomes.
  • Study suggests feasibility of simultaneous surgical correction of CCL rupture and MPL using CBLO-TTT in dogs.

Clough

Veterinary Surgery

3

2022

Combined center of rotation of angulation‐based leveling osteotomy and tibial tuberosity transposition: An ex vivo mechanical study

2022-3-VS-clough-3

Article Title: Combined center of rotation of angulation‐based leveling osteotomy and tibial tuberosity transposition: An ex vivo mechanical study

Journal: Veterinary Surgery

In Low 2025 et al., on machine-learning outcomes in IVDE, which model achieved the highest predictive performance for ambulation recovery?

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Correct. XGBoost had the highest AUC (0.9502) and accuracy (89.1%) in this cohort.
Incorrect. The correct answer is XGBoost.
XGBoost had the highest AUC (0.9502) and accuracy (89.1%) in this cohort.

🔍 Key Findings

The study included 162 deep-pain-negative dogs undergoing decompressive surgery (hemilaminectomy) for acute thoracolumbar intervertebral disc extrusion (IVDE).

Ambulatory recovery occurred in 53.1% of dogs (86/162).

The best performing machine-learning model was XGBoost, with an AUC of 0.9502 and accuracy of 89.1%, outperforming Ridge, AdaBoost, and Naive Bayes models.

Preoperative-only XGBoost models were less accurate, with AUC dropping to 0.8271 and accuracy to 71.9%.

Top predictive features (by SHAP analysis) included:

  1. T2-weighted to L2 spinal cord signal ratio (lower values predicted better outcome)
  2. Use of fenestration (presence associated with better recovery)
  3. Hospitalization duration
  4. Imaging modality used
  5. Duration of nonambulatory status

Machine learning provided better insight into prognostic factors than traditional statistical methods.

Low

Veterinary Surgery

4

2025

Machine-learning-based prediction of functional recovery in deep-pain-negative dogs after decompressive thoracolumbar hemilaminectomy for acute intervertebral disc extrusion

2025-4-VS-low-2

Article Title: Machine-learning-based prediction of functional recovery in deep-pain-negative dogs after decompressive thoracolumbar hemilaminectomy for acute intervertebral disc extrusion

Journal: Veterinary Surgery

In Meltzer 2022 et al., on femoral implant selection, what was the frequency of catastrophic complications in dogs undergoing THR?

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Correct. Only two cases (1.5%) were catastrophic, both related to implant-associated infection.
Incorrect. The correct answer is 1.5%.
Only two cases (1.5%) were catastrophic, both related to implant-associated infection.

🔍 Key Findings

  • Hybrid implants were used in older, heavier dogs with lower canal flare index (CFI) compared to cementless types.
  • CFI <1.8 was associated with higher risk of femoral fracture or stem subsidence with cementless implants.
  • Total complication rate was 14%, with catastrophic complications in only 1.5%—lower than reported in other studies.
  • No significant difference in complication rates across implant types (BFX, BFX-C, hybrid).
  • Femur fractures were rare (2.9%), lower than in prior studies, and successfully managed with cerclage/plate fixation.
  • Coxofemoral luxation was the most common complication (8 cases); all occurred within 62 days post-op, mostly resolved with revision.
  • Collared BFX stems did not significantly reduce complications, though they may limit stem subsidence.
  • An implant selection algorithm was proposed, using age ≥7 years, weight ≥45 kg, and CFI <1.8 to guide cemented vs. cementless stem use.

Meltzer

Veterinary Surgery

2

2022

Case factors for selection of femoral component type in canine hip arthroplasty using a modular system

2022-2-VS-meltzer-5

Article Title: Case factors for selection of femoral component type in canine hip arthroplasty using a modular system

Journal: Veterinary Surgery

In Logothetou 2024 et al., on SPF complications, how did staple use for skin closure compare to sutures in terms of complication rate?

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Correct. Staples had a higher complication rate (72.2%) vs sutures (49.3%), but not statistically significant.
Incorrect. The correct answer is Not different but numerically higher.
Staples had a higher complication rate (72.2%) vs sutures (49.3%), but not statistically significant.

🔍 Key Findings

  • Complication rate for subdermal plexus flaps (SPFs) in dogs was 53.6%.
  • Skin staples had a numerically higher complication rate (72.2%) than sutures (49.3%), but not statistically significant due to small sample size.
  • Most common complication was wound dehiscence (35%), followed by seroma (14%) and wound discharge (14%).
  • Increased body weight was significantly associated with higher complication risk (OR = 1.056 per kg; p = .029).
  • Advancement flaps were associated with a lower incidence of complications on univariable analysis (p < .001).
  • Head region flap closures had fewer complications, while proximal pelvic limb closures had the highest complication rate.
  • Age was a risk factor—each additional year increased odds of complications (OR = 1.019; p = .004).
  • Closure technique did not significantly influence complication severity, though staple use was numerically worse.

Logothetou

Veterinary Surgery

3

2024

Complications and influence of cutaneous closure technique on subdermal plexus flaps in 97 dogs (2006–2022)

2024-3-VS-logothetou-5

Article Title: Complications and influence of cutaneous closure technique on subdermal plexus flaps in 97 dogs (2006–2022)

Journal: Veterinary Surgery

In Ibrahim 2022 et al., on scrotal arterial supply, which artery was identified as the **dominant** source of scrotal perfusion in dogs?

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Correct. The dorsal scrotal arteries, arising from the ventral perineal arteries, provided the most consistent and extensive perfusion in all cadavers.
Incorrect. The correct answer is Dorsal scrotal artery from ventral perineal.
The dorsal scrotal arteries, arising from the ventral perineal arteries, provided the most consistent and extensive perfusion in all cadavers.

🔍 Key Findings

  • Dorsal scrotal arteries, branching from the ventral perineal arteries, are the dominant arterial supply to the scrotum in dogs.
  • The ventral scrotal arteries, arising from the external pudendal arteries, perfused only the cranial scrotal border and were inconsistently present or absent in some dogs.
  • A scrotal flap based on the dorsal scrotal arteries showed strong perfusion and may be a viable axial pattern flap.
  • Perfusion was consistent across fresh and frozen cadavers, showing no difference due to preservation method.
  • Poor flap survival (27%) occurred when based on cranial supply alone (i.e., ventral scrotal arteries), confirming importance of preserving caudal supply.
  • There are anastomoses between dorsal and ventral scrotal arteries, offering collateral flow but insufficient alone for complete perfusion.
  • Scrotal flaps based on the caudal pedicle may be applicable for reconstruction of proximal medial/lateral thigh wounds.
  • Proposed flap requires careful preservation of ventral perineal arteries, ideally designed 2.5–3 cm lateral to midline in large dogs.

Ibrahim

Veterinary Surgery

4

2022

Arterial supply to the scrotum: A cadaveric angiographic study

2022-4-VS-ibrahim-1

Article Title: Arterial supply to the scrotum: A cadaveric angiographic study

Journal: Veterinary Surgery

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