Your Custom Quiz

In Muroi 2024 et al., on radius plate stress effects, what was the yield load measured during mechanical testing of cadaveric radii?

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Correct. Mechanical testing showed yield load was 1,260 N at 55.5% of the distal radius.
Incorrect. The correct answer is 1,260 N.
Mechanical testing showed yield load was 1,260 N at 55.5% of the distal radius.

🔍 Key Findings Summary

  • Finite element analysis compared intact radii vs. locking plates placed 1 mm or 3 mm above the bone
  • LP placement significantly reduced tensile (maximum principal) stress on cranial cortex, potentially causing implant-induced osteoporosis
  • Shell element findings:
    • Max principal stress significantly lower in both LP groups vs. intact (p < 0.05)
  • Solid element findings:
    • Equivalent stress higher and max principal stress lower in LP groups
  • Implication: Tension reduction may impair bone remodeling; implant design and placement height affect stress environment

Muroi

Veterinary and Comparative Orthopedics and Traumatology

3

2024

Stress Changes in the Canine Radius after Locking Plate Fixation Using Finite Element Analysis

2024-3-VCOT-muroi-2

Article Title: Stress Changes in the Canine Radius after Locking Plate Fixation Using Finite Element Analysis

Journal: Veterinary and Comparative Orthopedics and Traumatology

In Downey 2023 et al., on thoracoscopic lobectomy, what was the long-term outcome for dogs that survived to discharge?

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Correct. One dog had persistent cough due to cardiac disease; others had no recurrence over a median 24 months.
Incorrect. The correct answer is One had mild persistent cough, others had no recurrence.
One dog had persistent cough due to cardiac disease; others had no recurrence over a median 24 months.

🔍 Key Findings

  • Thoracoscopic (TL) or thoracoscopic-assisted (TAL) lobectomy was successfully performed in 12 dogs with non-neoplastic pulmonary consolidation (PC).
  • 44% (4/9) of TL cases were converted to open thoracotomy due to adhesions or poor visualization—higher than rates for neoplastic lobectomies.
  • OLV was successful in 7/9 TL dogs; unsuccessful attempts were managed with intermittent ventilation, mostly in brachycephalic breeds.
  • Median hospital stay was 3 days; 91.7% (11/12) survived to discharge, and 100% of survivors showed no recurrence at median 24-month follow-up.
  • Complications were mostly minor: pneumothorax (2), minor hemorrhage (3), dehiscence (1), and 1 fatality due to BOAS complications.
  • Histopathology showed infectious pneumonia in 10 dogs, and in 4 cases, foreign body migration was suspected as the underlying cause.
  • Median surgical time for TL was 90 minutes; conversion correlated with longer symptom duration (median 90 vs. 7 days).
  • Postoperative recovery was excellent in all surviving dogs, with one case of persistent cough attributed to concurrent heart disease.

Downey

Veterinary Surgery

7

2023

Evaluation of long‐term outcome after lung lobectomy for canine non‐neoplastic pulmonary consolidation via thoracoscopic or thoracoscopic‐assisted surgery in 12 dogs

2023-7-VS-downey-5

Article Title: Evaluation of long‐term outcome after lung lobectomy for canine non‐neoplastic pulmonary consolidation via thoracoscopic or thoracoscopic‐assisted surgery in 12 dogs

Journal: Veterinary Surgery

In Schneider 2025 et al., on axillary LN extirpation, which statement best reflects the accuracy of cytology for staging ALNs?

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Correct. Four LNs had false-negative cytology but were later confirmed metastatic on histopathology, highlighting limitations of cytology.
Incorrect. The correct answer is It misclassified 4 metastatic nodes as non-metastatic.
Four LNs had false-negative cytology but were later confirmed metastatic on histopathology, highlighting limitations of cytology.

🔍 Key Findings

  • Lateral approach to ALN extirpation was successful in 100% of cases (44 dogs, 48 ALNs) with consistent anatomical landmarks (costochondral junction of rib 1 and caudal scapular edge).
  • Median time for ALN removal was 16.6 minutes, highlighting a fast and efficient dissection method.
  • No intraoperative complications were recorded (e.g., hemorrhage or inability to find the lymph node).
  • Postoperative complications occurred in 18% of cases, including seromas (n=2), wound dehiscence (n=4), lameness (n=1), and discomfort (n=1).
  • Histopathology revealed 56% of ALNs had tumor-related pathology, including overt metastases, early metastasis (HN2), or premetastatic changes (HN1).
  • Normal-sized ALNs (<2 cm) still harbored metastases in 22% of cases, emphasizing the unreliability of size as a staging criterion.
  • False negatives in cytology occurred in 4 cases, underlining the limitations of cytologic evaluation for staging.
  • The technique was reproducible without specialized tools, suggesting wide applicability in general and referral practice.

Schneider

Veterinary Surgery

6

2025

Axillary lymph node removal for staging cancer; description of a lateral approach and application in 44 tumor-bearing dogs

2025-6-VS-schneider-5

Article Title: Axillary lymph node removal for staging cancer; description of a lateral approach and application in 44 tumor-bearing dogs

Journal: Veterinary Surgery

In Aldrich 2023 et al., on liposomal bupivacaine in TPLO, how was analgesic success defined?

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Correct. Success was defined as not requiring rescue opioids within 48h post-op.
Incorrect. The correct answer is No need for rescue analgesia over 48 hours.
Success was defined as not requiring rescue opioids within 48h post-op.

🔍 Key Findings

  • Liposomal bupivacaine (LB) infiltration did not reduce the need for rescue analgesia compared with placebo in dogs undergoing TPLO.
  • CMPS-SF pain scores were not significantly different between LB and placebo groups at any postoperative time point.
  • % body weight distribution (%BWdist) to the operated limb did not differ significantly between treatment groups across all time points.
  • No correlation was found between CMPS-SF scores and %BWdist, suggesting these metrics assess different aspects of postoperative pain.
  • Postoperative carprofen administration was standardized, and LB did not provide additional detectable analgesic benefit.
  • Three-layer infiltration technique (joint capsule, fascia, subcutis) was used consistently across all cases.
  • Adverse events were minor and comparable between LB and placebo groups.
  • Post hoc analysis suggested a much larger sample size (58–436 dogs) would be needed to detect significant differences in %BWdist.

Aldrich

Veterinary Surgery

5

2023

Blinded, randomized, placebo-controlled study of the efficacy of bupivacaine liposomal suspension using static bodyweight distribution and subjective pain scoring in dogs after tibial plateau leveling osteotomy surgery

2023-5-VS-aldrich-2

Article Title: Blinded, randomized, placebo-controlled study of the efficacy of bupivacaine liposomal suspension using static bodyweight distribution and subjective pain scoring in dogs after tibial plateau leveling osteotomy surgery

Journal: Veterinary Surgery

In Swieton 2025 et al., on portocaval shunts, how many dogs were confirmed to have persistent shunting on imaging follow-up?

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Correct. 56% (9 of 16 dogs evaluated) had persistent shunting on follow-up CT or ultrasound imaging.
Incorrect. The correct answer is 9 of 16.
56% (9 of 16 dogs evaluated) had persistent shunting on follow-up CT or ultrasound imaging.

🔍 Key Findings

Study population: 21 dogs with portocaval extrahepatic portosystemic shunts (EHPSS)
Surgical approach: 67% (14/21) underwent ameroid constrictor placement
Perioperative complications: 4 dogs (19%), including seizures (n = 2), vomiting, and abdominal effusion
Perioperative mortality: 1 dog (5%)
Postoperative clinical outcome:

  • Good to excellent outcome: 81% (17/21)
  • Median follow-up: 6 months (range 3–43)

Persistence of shunting (CT or US): 56% (9/16 evaluated)
Dogs with persistent shunting: 67% still had good to excellent clinical outcome
Congenital portocaval shunts may have more favorable outcomes than previously reported

Swieton

Veterinary Surgery

2

2025

Outcome of 21 dogs treated for the portocaval subtype of extrahepatic portosystemic shunt

2025-2-VS-swieton-4

Article Title: Outcome of 21 dogs treated for the portocaval subtype of extrahepatic portosystemic shunt

Journal: Veterinary Surgery

In Meltzer 2022 et al., on femoral implant selection, which factor most consistently predicted the use of a cemented femoral stem?

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Correct. Older dogs were more likely to receive cemented stems due to decreased bone quality and increased fracture risk.
Incorrect. The correct answer is Age ≥ 7 years.
Older dogs were more likely to receive cemented stems due to decreased bone quality and increased fracture risk.

🔍 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-1

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

Journal: Veterinary Surgery

In Folk 2025 et al., on vessel sealing device reuse, what was the frequency of positive aerobic cultures from either devices or debris?

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Correct. No positive aerobic cultures were obtained from devices or debris after EtO sterilization.
Incorrect. The correct answer is 0%.
No positive aerobic cultures were obtained from devices or debris after EtO sterilization.

🔍 Key Findings

40 dogs underwent splenectomy using 16 bipolar vessel sealing devices (VSDs)
Devices were reused up to 4 times after handwashing and ethylene oxide (EtO) sterilization
Biologic debris was found in 100% of devices, specifically under the transection blade, even after a single use

  • Mostly scant (14/16) or mild (2/16) debris

No devices or debris yielded positive aerobic culture after EtO sterilization
EtO sterilization proved microbiologically effective despite visible residue
Perioperative failure rate: 1 device (malfunctioned during first activation)

Folk

Veterinary Surgery

3

2025

Incidence of residual biologic debris and contamination of reused bipolar vessel sealing devices after ethylene oxide sterilization following splenectomy

2025-3-VS-folk-3

Article Title: Incidence of residual biologic debris and contamination of reused bipolar vessel sealing devices after ethylene oxide sterilization following splenectomy

Journal: Veterinary Surgery

In Lu 2025 et al., on SOP constructs, what mechanical outcome was observed across **all test constructs**, regardless of tee presence?

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Correct. All constructs failed by plastic deformation, with no screw or substitute bone failures.
Incorrect. The correct answer is Plastic deformation of plate.
All constructs failed by plastic deformation, with no screw or substitute bone failures.

🔍 Key Findings

  • Bending tees significantly increased mediolateral bending stiffness, but not craniocaudal stiffness, in plate-bone constructs.
  • Mean mediolateral stiffness was 43.2 N/mm with tees vs. 41.1 N/mm without (p = 0.0042), though the absolute difference was small.
  • No significant differences were found in craniocaudal bending stiffness between constructs with or without tees (p = 0.89).
  • Plastic deformation occurred in all constructs; no screw pull-out or implant breakage was observed.
  • SOP nodes may resist compressive but not tensile deformation, suggesting variable mechanical contributions depending on loading direction.
  • Craniocaudal bending had greater stiffness than mediolateral due to higher area moment of inertia along the node diameter.
  • Clinical relevance of added stiffness from tees remains unclear, warranting further in vivo and cyclic testing.
  • This was the first study to directly test SOP constructs with/without tees over a fracture gap in multiple planes.

Lu

Veterinary and Comparative Orthopaedics and Traumatology

2

2025

Comparison of Bending Stiffness between String of Pearls Plate-Bone Substitute Constructs with and without Bending Tees in a Fracture Gap Model

2025-2-VCOT-lu-3

Article Title: Comparison of Bending Stiffness between String of Pearls Plate-Bone Substitute Constructs with and without Bending Tees in a Fracture Gap Model

Journal: Veterinary and Comparative Orthopaedics and Traumatology

In Longo 2025 et al., on MITA, what was the mean time to radiographic union?

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Correct. Mean time to radiographic union was 1.8 ± 0.5 months.
Incorrect. The correct answer is 1.8 months.
Mean time to radiographic union was 1.8 ± 0.5 months.

🔍 Key Findings

  • 15 dogs underwent minimally invasive tarsal arthrodesis (MITA); 10 partial, 5 pantarsal.
  • Mean time to radiographic union: 1.8 ± 0.5 months.
  • Mean time to clinical union: 3.7 ± 0.8 months.
  • Complete osseous union: 46%; the rest achieved ≥50% with functional weightbearing.
  • Complication rate: 26% major (mostly implant-related); no catastrophic complications or plantar necrosis.
  • Functional outcomes: 6 full, 8 acceptable, 1 unacceptable (not due to MITA).
  • MITA may lower soft tissue complications vs open approaches and enable faster healing.

Longo

Veterinary Surgery

1

2025

Minimally invasive tarsal arthrodesis in 15 dogs

2025-1-VS-longo-1

Article Title: Minimally invasive tarsal arthrodesis in 15 dogs

Journal: Veterinary Surgery

In Cruciani 2022 et al., on feline pancreaticoduodenostomy, which postoperative finding was observed and monitored without clinical consequence?

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Correct. Ampulla-like dilation near the anastomosis was seen on ultrasound but was not clinically significant.
Incorrect. The correct answer is Progressive dilation of the pancreatic duct.
Ampulla-like dilation near the anastomosis was seen on ultrasound but was not clinically significant.

🔍 Key Findings

  • Left pancreaticoduodenostomy successfully restored digestive continuity after right lobe and body pancreatectomy in a cat.
  • No clinical signs of exocrine or endocrine insufficiency were observed postoperatively up to 225 days.
  • Histopathology confirmed chronic pancreatitis with abscess formation and reactive lymphadenopathy.
  • No postoperative pancreatitis developed, based on imaging and normal feline pancreatic lipase levels.
  • Progressive focal ampulla-like dilation of the pancreatic duct occurred near the anastomosis without clinical signs.
  • The cat maintained weight and improved clinically for several months post-op, indicating satisfactory outcomes.
  • Surgical technique involved end-to-side anastomosis between the left pancreatic duct and duodenum.
  • Ultimately, the cat was euthanized due to disseminated carcinoma, presumed unrelated to the pancreatic surgery.

Cruciani

Veterinary Surgery

8

2022

Left pancreaticoduodenostomy after removal of the right lobe and the head of the pancreas in a cat

2022-8-VS-cruciani-2

Article Title: Left pancreaticoduodenostomy after removal of the right lobe and the head of the pancreas in a cat

Journal: Veterinary Surgery

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