Your Custom Quiz

In Jones 2024 et al., on surgical technique mortality, what possible reason was proposed for increased mortality with BVSD?

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Correct. Authors hypothesized that thermal injury and edema may contribute to complications.
Incorrect. The correct answer is Thermal injury causing pharyngeal edema.
Authors hypothesized that thermal injury and edema may contribute to complications.

🔍 Key Findings

  • Study compared 606 dogs (English Bulldogs, French Bulldogs, Pugs) undergoing partial staphylectomy via CO₂ laser, bipolar vessel sealing device (BVSD), or conventional incision.
  • Mortality rate: 4.0% (24/606).
  • BVSD was associated with significantly increased perioperative mortality compared to other methods (OR = 6.0, 95% CI: 1.3–28.4, p = .023).
  • High-grade laryngeal collapse (stage II or III) independently increased mortality risk (OR = 4.6, 95% CI: 1.8–11.8, p = .002).
  • No difference in mortality between CO₂ laser and conventional incision techniques.
  • CO₂ laser and conventional techniques had similar complication rates.

Jones

Veterinary Surgery

1

2024

Comparison of mortality of brachycephalic dogs undergoing partial staphylectomy using conventional incisional, carbon dioxide laser, or bipolar vessel sealing device

2024-1-VS-jones-5

Article Title: Comparison of mortality of brachycephalic dogs undergoing partial staphylectomy using conventional incisional, carbon dioxide laser, or bipolar vessel sealing device

Journal: Veterinary Surgery

In Chik 2024 et al., on cholangioscopy feasibility, what was the key limitation of using standard biopsy forceps through the disposable flexible endoscope?

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Correct. The 1.2 mm working channel could not accommodate standard radial jaw biopsy forceps.
Incorrect. The correct answer is Working channel diameter was too small.
The 1.2 mm working channel could not accommodate standard radial jaw biopsy forceps.

🔍 Key Findings

  • Open transcholecystic cholangioscopy was feasible using a 3.8 mm disposable flexible endoscope in all 8 canine cadavers.
  • Visualization was consistently achieved up to the junction of the hepatic ducts, common bile duct, and cystic duct.
  • Advancement past the junction was limited by the endoscope diameter (3.8 mm) and anatomical flexure.
  • The 1.9 mm flexible ureteroscope could visualize the entire biliary tree, including the major duodenal papilla, in a large dog (43.8 kg).
  • Endoscopic tools (e.g., 3 Fr grasping forceps) could be passed through the working channel only after removing the irrigation line.
  • Standard biopsy forceps were incompatible with the disposable endoscope's 1.2 mm working channel.
  • Cadaver study showed no rupture, but clinical extrapolation is limited due to lack of diseased tissue.
  • Disposable endoscope setup cost (~$6,100) was significantly lower than traditional endoscopy systems (~$75,000–100,000), improving accessibility.

Chik

Veterinary Surgery

7

2024

Feasibility of open cholangioscopy with disposable flexible endoscopes

2024-7-VS-chik-4

Article Title: Feasibility of open cholangioscopy with disposable flexible endoscopes

Journal: Veterinary Surgery

In Larose 2024 et al., on fluorescence cholangiography, how did high-dose ICG (0.5 mg/kg) affect fluorescence contrast early in imaging?

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Correct. High-dose ICG increased liver signal, reducing duct-to-liver contrast, especially early.
Incorrect. The correct answer is Obscured contrast due to liver background.
High-dose ICG increased liver signal, reducing duct-to-liver contrast, especially early.

🔍 Key Findings

  • Near-infrared fluorescence cholangiography (NIRFC) was feasible and safe in all healthy dogs studied, with no major adverse effects noted.
  • Low-dose ICG (0.05 mg/kg) at 3 h pre-op achieved the highest target-to-background (cystic duct-to-liver) contrast ratio, reaching nearly 4:1 at 280 minutes.
  • Early imaging (time 0) favored low-dose ICG for optimal cystic duct visualization; high-dose ICG led to excessive liver fluorescence and reduced contrast.
  • Visualization of biliary tree occurred within 10–20 min post-injection regardless of dose, but longer delays improved background clearance and contrast.
  • No significant cardiovascular or histamine-related side effects were observed with either dose of ICG.
  • Repeated ICG injections showed minimal residual fluorescence when using a >72 h washout period; shorter intervals caused mild carryover in high-dose groups.
  • Surgeon scoring matched contrast ratios, confirming clinical relevance of imaging outcomes.
  • Recommended dose for laparoscopic imaging: 0.05 mg/kg ICG given 3–5 h before surgery, or at premedication for urgent cases.

Larose

Veterinary Surgery

4

2024

Near-infrared fluorescence cholangiography in dogs: A pilot study

2024-4-VS-larose2-4

Article Title: Near-infrared fluorescence cholangiography in dogs: A pilot study

Journal: Veterinary Surgery

In Evers 2023 et al., on needle arthroscopy, what was observed about morbidity following needle arthroscopy?

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Correct. Lameness scores did not change post-procedure (*P = .25*), indicating excellent tolerance.
Incorrect. The correct answer is No measurable morbidity.
Lameness scores did not change post-procedure (*P = .25*), indicating excellent tolerance.

🔍 Key Findings

  • Needle arthroscopy (NA) had 95% sensitivity and 100% specificity for detecting medial meniscal tears using standard arthroscopy (SA) as the reference.
  • NA correctly identified meniscal status in 25/26 dogs, missing only one stable nondisplaced tear.
  • NA took less time than SA: 8 ± 3 min vs. 15 ± 9 min (P = .0041).
  • Visibility scores were significantly lower with NA than SA for all meniscal horns (medial and lateral) .
  • Probing difficulty was greater with NA, especially for the lateral meniscus (P = .0017).
  • NA caused no measurable morbidity: lameness scores were unchanged before and after the procedure (P = .25).
  • NA was possible in sedated dogs, though 10/26 required additional anesthesia due to delays.
  • NA missed 1 lateral tear, likely due to reduced access and lack of shaving compared to SA.

Evers

Veterinary Surgery

7

2023

Accuracy of needle arthroscopy for the diagnosis of medial meniscal tears in dogs with cranial cruciate ligament rupture

2023-7-VS-evers-5

Article Title: Accuracy of needle arthroscopy for the diagnosis of medial meniscal tears in dogs with cranial cruciate ligament rupture

Journal: Veterinary Surgery

In Scheuermann 2024 et al., on 3D-printed reduction guides for tibial fractures, what method was occasionally needed to improve fracture reduction intraoperatively?

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Correct. Some cases required transient circular fixation to improve reduction before plating.
Incorrect. The correct answer is Temporary circular external fixator.
Some cases required transient circular fixation to improve reduction before plating.

🔍 Key Findings

  • The study was a prospective clinical trial evaluating the efficacy of a three-dimensional (3D)-printed, patient-specific reduction system for aligning diaphyseal tibial fractures stabilized using minimally invasive plate osteosynthesis (MIPO) in fifteen client-owned dogs.
  • Virtual surgical planning (VSP) and fabrication were feasible within a clinically relevant timeframe, with a mean of 50.7 hours. Surgical efficiency improved with experience.
  • Pin-guide placement was accurate, with median translational discrepancies of 2.7 mm (proximal) and 2.9 mm (distal), and angular discrepancies highest in the axial plane.
  • The proximal guide was easier to apply (median Likert score: 8) than the distal guide (median: 6).
  • The 3D-printed system enabled near-anatomic reduction in 87% of cases and acceptable reduction in the remaining 13%; no unacceptable reductions occurred.
  • Postoperative alignment and tibial length were well-restored, with all dogs within 5° or 5 mm of contralateral measurements.
  • Temporary circular fixation was occasionally used to assist reduction and improve alignment.
  • Precontoured plates fit easily, with a median Likert score of 9; total surgical time was shorter than conventional MIPO at the institution.
  • The study lacked a control group but builds on prior cadaveric feasibility work.

Scheuermann

Veterinary Surgery

6

2024

Efficacy of virtual surgical planning and a three‐dimensional‐printed surgical guide for canine segmental mandibular reconstruction in a cadaver model

2024-6-VS-scheuermann1-5

Article Title: Efficacy of virtual surgical planning and a three‐dimensional‐printed surgical guide for canine segmental mandibular reconstruction in a cadaver model

Journal: Veterinary Surgery

In Pfeil 2024 et al., on fluoroscopic pinning, what was a key advantage of the technique?

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Correct. The minimally invasive technique spares soft tissue, enabling better recovery.
Incorrect. The correct answer is Preserves soft tissue via MIO approach.
The minimally invasive technique spares soft tissue, enabling better recovery.

🔍 Key Findings

  • Fluoroscopically guided normograde metabone pinning (FGNMP) was used to treat 17 animals (15 dogs and 2 cats) with 57 metabone fractures, including various fracture configurations (short-oblique body, physeal, and comminuted).
  • All 57 fractures were stabilized using intramedullary pins via FGNMP. The study exclusively focused on pin fixation and did not include screws or combined fixation techniques.
  • Median surgical time was 54 minutes (range 26–99 min), indicating efficient procedural execution.
  • Radiographic bone union was achieved in all fractures, with a median time to union of 6 weeks (range 4–12 weeks). Union was confirmed in all initially non-united fractures on follow-up.
  • No major complications were reported. A single pressure sore at the olecranon resolved uneventfully, and no pin migration or osteomyelitis was observed.
  • Pin extensions were noted radiographically (e.g., 42% distal subchondral overextension), but were not associated with clinical problems.
  • Fluoroscopic guidance improved implant accuracy and preserved soft tissue, enabling effective fracture alignment and stabilization using this minimally invasive osteosynthesis (MIO) approach.
  • The authors concluded that FGNMP is an effective, safe, and minimally invasive method for a variety of metabone fracture types, yielding quick recovery, fast healing, and good to excellent long-term functional outcomes in all 17 cases.

Pfeil

Veterinary Surgery

5

2024

Outcomes of 15 dogs and two cats with metabone fractures treated with fluoroscopically guided normograde metabone pinning

2024-5-VS-pfeil-4

Article Title: Outcomes of 15 dogs and two cats with metabone fractures treated with fluoroscopically guided normograde metabone pinning

Journal: Veterinary Surgery

In Ferreira 2025 et al., on tibial torsion measurement, which of the following best describes the intraobserver agreement of the new method?

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Correct. The new method demonstrated excellent intraobserver repeatability with ICC = 0.99.
Incorrect. The correct answer is Excellent agreement.
The new method demonstrated excellent intraobserver repeatability with ICC = 0.99.

🔍 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-2

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

Journal: Veterinary Surgery

In Butare-Smith 2022 et al., on cerclage knot biomechanics, what was the typical failure mode of the twist cerclage under cyclic loading?

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Correct. Twist cerclage consistently failed by untwisting, often within 10 cycles.
Incorrect. The correct answer is Knot untwisting and loosening.
Twist cerclage consistently failed by untwisting, often within 10 cycles.

🔍 Key Findings

  • Double-loop cerclage resisted the highest peak load (805 N) and maintained tension longer than twist (488 N) and single-loop (397 N) configurations.
  • Double-loop cerclage sustained 500,000 cycles at 60–80% of peak load in some cases without loosening, outperforming other types.
  • Twist knots loosened rapidly, often within 10 cycles even at low loads (100–390 N).
  • Single-loop knots performed better than twist, with partial resistance up to 100,000 cycles at 160 N, but showed wide variability.
  • All loosening occurred before wire breakage, indicating clinical failure would happen from slack, not fracture.
  • Double-loop cerclage had highest initial tension (323 N) compared to single-loop (124 N) and twist (69 N).
  • Fatigue limit was not identified for twist, since they all loosened early at even 20% of peak load.
  • Clinical recommendation: double-loop cerclage is best for resisting repeated subfailure loading, ideal for fissure prevention or fragment stabilization.

Butare-Smith

Veterinary Surgery

2

2022

Double-loop cerclage resists greater loads for more cycles than twist and single-loop cerclage

2022-2-VS-butare-smith-2

Article Title: Double-loop cerclage resists greater loads for more cycles than twist and single-loop cerclage

Journal: Veterinary Surgery

In Williams 2024 et al., on adrenaline use in maxillary nerve blocks, what was the standard volume of local anesthetic injected per side during the block?

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Correct. A fixed dose of 0.5 mL was used per side regardless of bodyweight.
Incorrect. The correct answer is 0.5 mL per side.
A fixed dose of 0.5 mL was used per side regardless of bodyweight.

🔍 Key Findings

  • The addition of adrenaline (0.00198%) to bilateral maxillary nerve blocks significantly reduced intraoperative hemorrhage in dogs undergoing sharp staphylectomy (median reduction: 77.1%).
  • Normalized hemorrhage (g/kg) and total hemorrhage (g) were significantly lower in the adrenaline group (p = .021 and p = .013, respectively).
  • Surgeon-assessed hemorrhage scores were also significantly lower in the adrenaline group (median 2 vs. 3; p = .029), indicating improved surgical visibility.
  • No adverse effects (e.g. tachycardia, arrhythmia, or hypertension) were observed with adrenaline administration.
  • A standardized intraoral approach to the maxillary nerve block was used with 0.5 mL per side regardless of dog size.
  • Breed effect observed: English Bulldogs had higher normalized hemorrhage, possibly due to anatomical variation or underdosing relative to size.
  • Adrenaline may also prolong local anesthetic action and reduce blood aspiration risks, though this was not directly measured.
  • The study supports the routine inclusion of adrenaline in maxillary nerve blocks for staphylectomy in BOAS patients to improve surgical field and reduce bleeding.

Williams

Veterinary Surgery

8

2024

Evaluation of the addition of adrenaline in a bilateral maxillary nerve block to reduce hemorrhage in dogs undergoing sharp staphylectomy for brachycephalic obstructive airway syndrome. A prospective, randomized study

2024-8-VS-williams-2

Article Title: Evaluation of the addition of adrenaline in a bilateral maxillary nerve block to reduce hemorrhage in dogs undergoing sharp staphylectomy for brachycephalic obstructive airway syndrome. A prospective, randomized study

Journal: Veterinary Surgery

In Dobberstein 2022 et al., on NSAID ulcer repair, what was the most commonly used surgical closure technique for ulcer repair?

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Correct. The majority of cases used a one-layer full-thickness closure with simple interrupted sutures.
Incorrect. The correct answer is One-layer full-thickness simple interrupted closure.
The majority of cases used a one-layer full-thickness closure with simple interrupted sutures.

🔍 Key Findings

  • Primary repair of NSAID-associated full-thickness gastroduodenal ulcers was successful in 73% (8/11) of cases.
  • NSAID overdose, concurrent corticosteroid use, or extended duration were identified in 9/11 dogs and were major contributors to ulceration.
  • All perforations were in the pylorus or proximal duodenum, locations suitable for primary closure.
  • No significant association between ulcer size or location and postoperative survival.
  • Preoperative hyperlactatemia trended toward increased mortality (P = .0544; OR 2.045).
  • Postoperative vasopressor use was linked with a 9-fold increased risk of mortality (P = .0545).
  • Dehiscence was rare, suspected in only 1 of 11 cases, indicating that primary repair is structurally sound in selected cases.
  • Median follow-up of 444 days showed long-term survival was achievable post-primary repair.

Dobberstein

Veterinary Surgery

7

2022

Primary repair of nonsteroidal anti‐inflammatory drug‐associated full thickness gastrointestinal ulcers in 11 dogs

2022-7-VS-dobberstein-4

Article Title: Primary repair of nonsteroidal anti‐inflammatory drug‐associated full thickness gastrointestinal ulcers in 11 dogs

Journal: Veterinary Surgery

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