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In Sherman 2023 et al., on minimally invasive ESF, how did intraoperative imaging affect surgery time?

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Correct. Intraoperative imaging shortened surgical time significantly (P = .046).
Incorrect. The correct answer is Decreased from 100 to 74 minutes.
Intraoperative imaging shortened surgical time significantly (P = .046).

🔍 Key Findings

  • 55 cases (49 dogs, 6 cats) with nonarticular tibial fractures were treated using linear ESF with a minimally invasive approach
  • All fractures achieved radiographic union; no unacceptable outcomes were reported
  • 40% complication rate, mostly minor (82%), primarily pin-tract morbidity; major complications (7%) included osteomyelitis and refracture
  • Open fractures had significantly more major complications than closed ones (P = .019)
  • Use of intraoperative imaging (72% cases) reduced surgery time but did not improve alignment (P > .05)
  • Median surgery time: 74 min with imaging vs. 100 min without (P = .046)
  • TPA was lower than normal in both dogs and cats, but did not correlate with poor outcomes
  • 62% had full clinical recovery, and 38% had acceptable outcomes at fixator removal

Sherman

Veterinary Surgery

2

2023

Linear external skeletal fixation applied in minimally invasive fashion for stabilization of nonarticular tibial fractures in dogs and cats

2023-2-VS-sherman-5

Article Title: Linear external skeletal fixation applied in minimally invasive fashion for stabilization of nonarticular tibial fractures in dogs and cats

Journal: Veterinary Surgery

In Burkhardt 2024 et al., on coagulation testing in liver lobectomy, what did the authors recommend regarding preoperative PT and aPTT testing?

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Correct. Authors concluded that routine testing is low-yield and should be considered on a case-by-case basis.
Incorrect. The correct answer is Should be reserved for cases with bleeding tendencies or hemangiosarcoma suspicion.
Authors concluded that routine testing is low-yield and should be considered on a case-by-case basis.

🔍 Key Findings

  • 20.6% of dogs had a preoperative prolongation in PT or aPTT, but only 5.6% had both prolonged.
  • Hemangiosarcoma was the only tumor type significantly associated with both PT and aPTT prolongation (37.5% of hemangiosarcoma cases, p < .001).
  • Dogs with both PT and aPTT prolongations were 6.5× more likely to have emergency surgery (p < .001) and 2.5× more likely to have hemoabdomen (p = .0022).
  • 60% of dogs with both PT and aPTT prolongation required blood transfusion (p < .001).
  • Only 1.9% of all dogs had both PT and aPTT prolonged by >25%, suggesting limited clinical utility of routine PT/aPTT testing.
  • Platelet count <50,000/μL was rare (1.5%) and not associated with PT/aPTT changes or transfusions.
  • Routine PT/aPTT testing offers low diagnostic yield in elective liver lobectomy cases.
  • Authors recommend case-by-case PT/aPTT screening, especially when hemangiosarcoma or bleeding tendencies are suspected.

Burkhardt

Veterinary Surgery

7

2024

Evaluating preoperative coagulation panels in dogs undergoing liver lobectomy for primary liver tumors: A multi-institutional retrospective study

2024-7-VS-burkhardt-4

Article Title: Evaluating preoperative coagulation panels in dogs undergoing liver lobectomy for primary liver tumors: A multi-institutional retrospective study

Journal: Veterinary Surgery

In Kang 2024 et al., on sacroiliac fixation strength, which construct had significantly higher maximum failure load under rotational force testing?

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Correct. Double HCS provided significantly higher failure load vs single lag screw fixation
Incorrect. The correct answer is Double 2.3-mm headless cannulated screws.
Double HCS provided significantly higher failure load vs single lag screw fixation

🔍 Key Findings Summary

  • 20 cats with pelvic fractures treated using locking plates with only cortical screws
  • 28 fractures stabilized (ilium: 17, acetabulum: 6, ischium: 3, pubis: 2)
  • Implants: Primarily 1.5/2.0 mm LCPs or String-of-Pearls plates
  • Major complications in 2/20 cases (10%): sciatic entrapment, malunion requiring THA
  • Minor complications in 2/20 cases (10%): plate impingement, transient lameness
  • Clinical union in all cats by 8 weeks; all cats returned to full function
  • Authors conclude cortical screws alone can provide adequate fixation in feline pelvic fractures if screw purchase and bone quality are sufficient

Kang

Veterinary and Comparative Orthopedics and Traumatology

1

2024

Biomechanical Comparison of Double 2.3-mm Headless Cannulated Self-Compression Screws and Single 3.5-mm Cortical Screw in Lag Fashion in a Canine Sacroiliac Luxation Model

2024-1-VCOT-kang-1

Article Title: Biomechanical Comparison of Double 2.3-mm Headless Cannulated Self-Compression Screws and Single 3.5-mm Cortical Screw in Lag Fashion in a Canine Sacroiliac Luxation Model

Journal: Veterinary and Comparative Orthopedics and Traumatology

In Wilson 2025 et al., on acetabular measurement accuracy, what was the maximum prediction accuracy using ACVD with rounding down?

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Correct. Using ACVD and rounding down gave the best cup size match in 49% of cases.
Incorrect. The correct answer is 49%.
Using ACVD and rounding down gave the best cup size match in 49% of cases.

🔍 Key Findings

Study population: 73 hips from 60 dogs undergoing cementless THR.
Methods evaluated:

  • ACVD/ACOLL (acetabular circle on VD or OLL view)
  • ALVD/ALOLL (acetabular line)
  • FHCVD/FHCOLL/FHCCCHB (femoral head circle)
Findings:
  • Intraobserver repeatability and interobserver consistency were excellent for ACVD and ACOLL.
  • FHC methods consistently underestimated actual cup size by 2.4–3.6 mm.
  • AC and AL methods had low bias (±0.5 mm) and better predictive value.
  • OA severity negatively affected the accuracy of all measurements (p < .05).
  • Highest predictive accuracy was ~49% using ACVD with rounding down protocol.

Wilson

Veterinary Surgery

1

2025

Evaluation of three acetabular measurement methods for total hip replacement in dogs

2025-1-VS-wilson-4

Article Title: Evaluation of three acetabular measurement methods for total hip replacement in dogs

Journal: Veterinary Surgery

In Kimura 2025 et al., on mini-THA in <4 kg dogs, what was the observed outcome at the 52-week mark in successfully completed cases?

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Correct. All completed THA cases had no lameness at 52 weeks:contentReference[oaicite:0]{index=0}.
Incorrect. The correct answer is All dogs showed complete resolution of lameness.
All completed THA cases had no lameness at 52 weeks:contentReference[oaicite:0]{index=0}.

🔍 Key Findings

  • Zurich mini-cementless THA was successful in 9/10 hips in dogs <4 kg, with no lameness at 52 weeks in completed cases.
  • Helsinki Chronic Pain Index significantly improved from a mean of 19.8 to 2.3 at 52 weeks (p = 0.0141).
  • Fluoroscopy improved implant positioning, especially in LCPD and HD cases, aiding in accurate reaming and alignment.
  • Intraoperative complications occurred in 2/10 cases, including acetabular fractures; one case required discontinuation.
  • Prophylactic bicortical screws and reinforcement plates were used in cases with rotational instability or cortical compromise and were effective in preventing loosening/fractures.
  • Medial patellar luxation improved postoperatively in one dog, though recurrence was noted later without surgical correction.
  • No stem or implant loosening or fracture occurred over a mean follow-up of 24.4 months.
  • CT is recommended in preoperative planning, particularly in luxoid hip dysplasia cases with uncertain bone stock.

Kimura

Veterinary Surgery

6

2025

Long‐term outcomes of 10 dogs weighing less than 4 kg after Zurich mini‐cementless total hip arthroplasty

2025-6-VS-kimura-1

Article Title: Long‐term outcomes of 10 dogs weighing less than 4 kg after Zurich mini‐cementless total hip arthroplasty

Journal: Veterinary Surgery

In Knudsen 2024 et al., on CTA diagnostic accuracy, what was the combined sensitivity and specificity range in the second reading?

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Correct. The article reported sums of sensitivity and specificity of approximately 1.8 in the second reading, indicating clinically useful performance.
Incorrect. The correct answer is 1.6–1.9.
The article reported sums of sensitivity and specificity of approximately 1.8 in the second reading, indicating clinically useful performance.

🔍 Key Findings Summary

  • Study Design: Prospective case series of 52 scans from 44 dogs with CCL injury.
  • Main Technique: 16-slice CTA; evaluated by 3 observers with varying experience; validated against surgical mini-medial arthrotomy findings.
  • Diagnostic Metrics (Reading 2):
    • Sensitivity: 1.00 (Observers 1 & 2), 0.93 (Observer 3)
    • Specificity: 0.78–0.91
    • Positive Likelihood Ratio: Up to 10.71
    • Negative Likelihood Ratio: As low as 0.08
    • Accuracy: 90%+ for all in Reading 2
  • Observer Effect: Significant improvement between first and second reading for less experienced observers (p < 0.05); learning curve evident.
  • Meniscal lesions found:
    • 9/12 in suspected late meniscal injury cases
    • 19/40 in newly diagnosed CCL cases
    • Most common = bucket handle tears
  • Conclusion: Multidetector CTA is a clinically useful, non-invasive tool for identifying medial meniscal lesions in dogs with CCL disease.

Knudsen

Veterinary Surgery

1

2024

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

2024-1-VS-knudsen-1

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

Journal: Veterinary Surgery

In Kalmukov 2022 et al., on cell salvage efficacy, what was the main advantage of swab washing during intraoperative blood salvage?

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Correct. Swab washing is useful when blood accumulates on swabs rather than in cavities, e.g., in soft tissue surgery.
Incorrect. The correct answer is It served as an adjunct when direct suction was limited.
Swab washing is useful when blood accumulates on swabs rather than in cavities, e.g., in soft tissue surgery.

🔍 Key Findings

  • Direct suction salvaged more red blood cell mass (rbcM) than swab washing: 88.43% vs 84.74% (p = .015)
  • Swab washing still achieved high recovery (84.74%), making it a viable adjunct when suction is not possible
  • No significant difference in post-salvage PCV between methods (~34% for Su and ~33.9% for Sw)
  • Total salvaged blood volume was significantly higher using direct suction (143 mL vs 139.8 mL; p < .001)
  • Leukocytes are removed during salvage, potentially lowering risk of cytokine-mediated transfusion reactions
  • Expired pRBCs were used, but device still achieved high RBC recovery, supporting clinical utility
  • Swab washing via manual agitation may cause more RBC destruction than direct suction
  • Cell salvage may avoid complications of allogeneic transfusions, like storage lesions and immunologic reactions

Kalmukov

Veterinary Surgery

8

2022

Ex vivo evaluation of a novel cell salvage device to recover canine erythrocytes

2022-8-VS-kalmukov-4

Article Title: Ex vivo evaluation of a novel cell salvage device to recover canine erythrocytes

Journal: Veterinary Surgery

In Karlin 2026 et al., on acetabular cup radiography, which measurement showed significant inaccuracy when calculated using the CPAD?

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Correct. The calculated open-face version differed significantly from the known value (p < 0.0001) and had only moderate correlation (Rc = 0.424).
Incorrect. The correct answer is Open-face version.
The calculated open-face version differed significantly from the known value (p < 0.0001) and had only moderate correlation (Rc = 0.424).

🔍 Key Findings

  • CPAD accurately measured angle of lateral opening (ALO) on sagittal radiographs with near-perfect agreement (Lin’s Rc = 0.994) compared with known angles.
  • No significant difference between measured and true ALO values was detected (p = 0.655), supporting accuracy of the device for this parameter.
  • Mean ALO measurement error was only 0.14° ± 1.18°, indicating high precision of the CPAD method.
  • Open-face version measurements were significantly inaccurate compared with known values (p < 0.0001).
  • Mean error in version measurement was 9.5° ± 6.31°, showing only moderate agreement (Rc = 0.424).
  • Measurement error in version likely resulted from radiographic superimposition of the V-axis bar with the cup edge, making bar endpoints difficult to identify.
  • CPAD accuracy for ALO (~1.18°) is nearly five times better than previous radiographic techniques, which typically achieve ~5° accuracy.
  • Intraoperative fluoroscopic use of CPAD may allow real-time adjustment of cup orientation, potentially reducing luxation risk after canine THA.

Karlin

Veterinary and Comparative Orthopaedics and Traumatology

2

2026

In Vitro Evaluation of a Device to Assess Acetabular Cup Position by Sagittal Plane Radiography

2026-2-vcot-karlin-3

Article Title: In Vitro Evaluation of a Device to Assess Acetabular Cup Position by Sagittal Plane Radiography

Journal: Veterinary and Comparative Orthopaedics and Traumatology

In Welker 2024 et al., on thoracic duct anastomosis with MAC device, what complication was noted in two dogs postoperatively?

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Correct. Seromas were mild and resolved without major intervention.
Incorrect. The correct answer is Seroma formation.
Seromas were mild and resolved without major intervention.

🔍 Key Findings

  • Anastomosis of the thoracic duct (TD) to the intercostal vein (ICV) using a microvascular anastomotic coupler (MAC) was feasible in all 6 healthy dogs
  • Immediate postoperative patency was confirmed in all dogs, but only 4/6 had patent anastomoses at 30 days, with 2 failing due to ICV kinking
  • Kinking of the ICV near the azygos vein insertion was the primary failure mechanism, likely from MAC malalignment
  • No intraoperative or major postoperative complications occurred, though 2 dogs developed mild seromas
  • Use of the MAC device simplified microsurgical anastomosis versus hand suturing, especially in the deep thoracic cavity
  • Contrast lymphangiography showed faster clearance from the cisterna chyli postoperatively, suggesting effective flow redirection
  • Persistent branches of the thoracic duct may impact outcomes, and should be ligated during surgery
  • This technique may be a potential novel treatment for idiopathic chylothorax, improving outcomes by reducing collateral flow stimuli

Welker

Veterinary Surgery

7

2024

Anastomosis of the caudal thoracic duct and intercostal vein using a microvascular anastomotic coupler device: Experimental study in six dogs

2024-7-VS-welker-4

Article Title: Anastomosis of the caudal thoracic duct and intercostal vein using a microvascular anastomotic coupler device: Experimental study in six dogs

Journal: Veterinary Surgery

In Rocheleau 2025 et al., on infected total hip replacements, which pathogen was among the common isolates recovered?

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Correct. S. pseudointermedius, including methicillin-resistant strains, was commonly isolated.
Incorrect. The correct answer is Staphylococcus pseudointermedius.
S. pseudointermedius, including methicillin-resistant strains, was commonly isolated.

🔍 Key Findings

Study Design: Case series of 8 dogs with confirmed or suspected PJI after total hip replacement (THR)
Dogs were categorized into:

  • Curative intent (CI) group (n=5): short-duration infections, implant retention attempted
  • Non-curative intent (NCI) group (n=3): chronic infections, implants scheduled for removal or revision

Success Rate: 7 of 8 dogs had infection resolution, including 4 of 5 in the CI group
Sampling sensitivity:

  • Arthroscopic culture success was 80% in the CI group but only 33% in the NCI group
  • All explanted implants from NCI group yielded positive cultures

Common isolates: Staphylococcus pseudointermedius (including MRSP), S. epidermidis, Stenotrophomonas maltophilia, and E. coli
Ancillary treatments included:

  • Partial synovectomy, high-volume lavage (5–10 L), biofilm-depleting lavage, and/or amikacin-impregnated calcium sulfate beads

Mean follow-up: >1 year (mean 812 days); no signs of recurrence in successfully treated cases
Conclusions: Arthroscopic management of THR infections is feasible and effective in appropriately selected dogs. Success aligns with human literature when infection type is favorable (Type 1, 3, 4). Sensitivity of arthroscopic culture is higher in early/acute infections.

Rocheleau

Veterinary Surgery

4

2025

Arthroscopic sampling, diagnosis and treatment of infected total hip replacements in dogs: Eight cases

2025-4-VS-rocheleau-4

Article Title: Arthroscopic sampling, diagnosis and treatment of infected total hip replacements in dogs: Eight cases

Journal: Veterinary Surgery

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