Your Custom Quiz

In Chik 2024 et al., on cholangioscopy feasibility, which factor most limited advancement of the 3.8 mm disposable endoscope into the common bile duct?

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Correct. Anatomical flexure and endoscope diameter prevented deeper passage beyond the junction.
Incorrect. The correct answer is Flexure between the cystic and common bile duct.
Anatomical flexure and endoscope diameter prevented deeper passage beyond the junction.

🔍 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-2

Article Title: Feasibility of open cholangioscopy with disposable flexible endoscopes

Journal: Veterinary Surgery

In Morgera 2022 et al., on stifle surgery draping methods, what is a unique feature of the Kraton drape?

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Correct. The Kraton drape has an elastic fenestration that conforms to the limb without needing towel clamps or adhesives.
Incorrect. The correct answer is It conforms elastically to the limb.
The Kraton drape has an elastic fenestration that conforms to the limb without needing towel clamps or adhesives.

🔍 Key Findings

  • No significant difference in infection-inflammation rates between single-layer Kraton drapes and traditional double-layer draping at both 21 days and 6 months postop.
  • Infection-inflammation occurred in 4.56% (36/789) of cases; equally distributed across draping techniques.
  • Tibial tuberosity advancement (TTA) was the most common procedure (61%).
  • Kraton drape features an elastic fenestration that seals without adhesives or towel clamps, offering ecological and workflow advantages.
  • Mean anesthesia duration was similar between groups (~73.8 min), suggesting draping method did not impact overall surgical time.
  • Culture confirmation of infection was low (14 dogs), showing reliance on clinical criteria for diagnosis.
  • Potential benefits of single-layer draping include reduced waste, no need for towel clamps, and ease of use without increased risk.
  • Limitations included subjective follow-up (nearly 30% indirect via phone/images) and antimicrobial usage in all cases.

Morgera

Veterinary Surgery

3

2022

Surgical site infection‐inflammation in dogs draped with a single‐layer Kraton elastic seal extremity drape for stifle surgery

2022-3-VS-morgera-3

Article Title: Surgical site infection‐inflammation in dogs draped with a single‐layer Kraton elastic seal extremity drape for stifle surgery

Journal: Veterinary Surgery

In Matz 2022 et al., on stapler size comparison, what was the primary location of leakage observed in nearly all specimens?

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Correct. Leakage was noted at the staple line in 23 of 24 specimens, supporting its primary role in integrity testing.
Incorrect. The correct answer is At the staple line.
Leakage was noted at the staple line in 23 of 24 specimens, supporting its primary role in integrity testing.

🔍 Key Findings

  • No significant difference in initial leak pressure (ILP) among TA 30 V3 2.5 mm, TA 60 3.5 mm, and TA 60 4.8 mm stapler sizes (P = .78).
  • All stapler types exceeded the physiological intraluminal pressure threshold (~25 mmHg), suggesting acceptable leak resistance.
  • Mean ILPs: TA 30 V3 (181.5 mmHg), TA 60 3.5 mm (112 mmHg), TA 60 4.8 mm (77.2 mmHg).
  • Leakage occurred at the staple line in 23 of 24 specimens; only one had ileal wall rupture.
  • No correlation found between ILP and cadaver weight, cecal wall thickness, or cecal length.
  • Cecal wall thickness averaged 4.9 mm, yet staple heights ranged only from 1.0–2.0 mm.
  • One specimen in each TA 60 group leaked near or below physiologic pressures, suggesting rare outliers.
  • Study supports clinical viability of all tested stapler sizes for canine typhlectomy, but highlights need for in vivo data on healing and complications.

Matz

Veterinary Surgery

4

2022

Ex vivo comparison of different thoracoabdominal stapler sizes for typhlectomy in canine cadavers

2022-4-VS-matz-2

Article Title: Ex vivo comparison of different thoracoabdominal stapler sizes for typhlectomy in canine cadavers

Journal: Veterinary Surgery

In Dickson 2024 et al., on VATS for feline chylothorax, what was the most common postoperative complication?

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Correct. 5 of 15 cats developed persistent pleural effusion, the most frequent complication.
Incorrect. The correct answer is Persistent pleural effusion.
5 of 15 cats developed persistent pleural effusion, the most frequent complication.

🔍 Key Findings

  • Objective: To evaluate outcomes and complications of video-assisted thoracoscopic surgery (VATS) for idiopathic chylothorax in 15 cats.
  • All 15 cats underwent thoracoscopic thoracic duct ligation (TDL); 13 also had simultaneous pericardectomy, 2 had VATS TDL + laparoscopic cisterna chyli ablation (CCA), and 1 cat had an open CCA.
  • Median surgical time was 152.5 minutes (range 60–255).
  • Contrast was used intraoperatively in 13 cats; 11 received methylene blue, and 2 received indocyanine green (ICG).
  • One intraoperative complication (6%) occurred — a minor intercostal artery laceration. Conversion to open surgery occurred in 3 cases (20%) due to visualization issues or bleeding.
  • Postoperative complications occurred in 8 cats (53%), with persistent pleural effusion in 5 cats (33%) being the most common.
  • Mortality was high: 4 cats (27%) died or were euthanized before discharge. Only 7 of 11 cats discharged had resolution of effusion, and recurrence occurred in 1.
  • Authors concluded that while VATS is technically feasible in cats, it did not improve clinical outcomes compared to open surgery, and feline idiopathic chylothorax continues to have a high mortality rate.

Dickson

Veterinary Surgery

5

2024

Outcome of video-assisted thoracoscopic treatment of idiopathic chylothorax in 15 cats

2024-5-VS-dickson-1

Article Title: Outcome of video-assisted thoracoscopic treatment of idiopathic chylothorax in 15 cats

Journal: Veterinary Surgery

In Tobias 2022 et al., on perineal hernia repair positioning, what was the recurrence rate in dogs with prior hernia repair on the same side?

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Correct. Recurrence was highest (50%) in dogs that had previous hernia repair on the same side.
Incorrect. The correct answer is 50%.
Recurrence was highest (50%) in dogs that had previous hernia repair on the same side.

🔍 Key Findings

  • Perineal hernia repair was feasible in dorsal recumbency in all 23 dogs, allowing simultaneous perineal and abdominal procedures without repositioning.
  • Internal obturator muscle transposition (IOMT) was successfully performed in 22 dogs, with tendon transection facilitating improved muscle elevation.
  • Complication rate was 60.9% in-hospital and 47.8% post-discharge, mostly minor (e.g., swelling, drainage), with infection suspected in 4 dogs (17.4%).
  • Recurrence rate was 19% overall, but significantly higher in dogs with prior hernia repairs (50% vs 5.9%; p = 0.053).
  • Dogs without prior repairs or organ pexies had no recurrences (p = 0.035), suggesting primary repairs without preexisting interventions fare better.
  • Castration and adjunctive abdominal procedures (e.g., colopexy, cystopexy) were often performed concurrently (18/23 dogs).
  • Colopexy did not prevent recurrence, although it aided in surgical visualization during perineal repair.
  • Dorsal positioning allowed simultaneous access to the abdomen and perineum, improving surgical efficiency without added complications.

Tobias

Veterinary Surgery

5

2022

Perineal hernia repair in dorsal recumbency in 23 dogs: Description of technique, complications, and outcome

2022-5-VS-tobias-2

Article Title: Perineal hernia repair in dorsal recumbency in 23 dogs: Description of technique, complications, and outcome

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 Dobberstein 2024 et al., on liver biopsy forceps, how did the number of portal triads compare between forceps sizes?

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Correct. The 5 mm forceps samples had significantly more portal triads than the 3 mm (29.6 vs 19.0, p < .0001).
Incorrect. The correct answer is 5 mm yielded more.
The 5 mm forceps samples had significantly more portal triads than the 3 mm (29.6 vs 19.0, p < .0001).

🔍 Key Findings Summary

  • Subjects: 12 healthy colony cats, 68 total liver samples collected via laparoscopy
  • Biopsy instruments: 3 mm vs 5 mm Storz Blakesley cup forceps
  • Techniques: Twist (T), Pull (P), Twist + Pull (TP)
  • Results:
    • 5 mm forceps yielded significantly more hepatic lobules (mean 12.4 vs 4.9), portal triads (29.6 vs 19.0), weight, and histologic area (p < .01)
    • T and P techniques yielded more portal triads and lobules than TP (p = .003 and p = .015)
    • TP technique resulted in greater tissue crush vs T (p = .01)
    • Good diagnostic agreement between 3 mm and 5 mm samples only with TP (κ = 0.75)
    • All samples were of sufficient diagnostic quality, despite size or technique
  • Clinical implication: Both 3 mm and 5 mm forceps are viable; further studies are needed to confirm diagnostic accuracy of 3 mm samples

Dobberstein

Veterinary Surgery

2

2024

Comparison of the diagnostic yield of 3 and 5 mm laparoscopic liver biopsy forceps in cats

2024-2-VS-dobberstein-2

Article Title: Comparison of the diagnostic yield of 3 and 5 mm laparoscopic liver biopsy forceps in cats

Journal: Veterinary Surgery

In Planchamp 2022 et al., on imaging-based AAI diagnosis, what cranial translation ratio (CTR) cutoff identified potentially unstable dogs?

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Correct. A CTR ≥0.18 classified dogs as potentially unstable (sensitivity 90.48%, specificity 78.08%).
Incorrect. The correct answer is ≥0.18.
A CTR ≥0.18 classified dogs as potentially unstable (sensitivity 90.48%, specificity 78.08%).

🔍 Key Findings

  • Ventral Compression Index (VCI) ≥0.16 (extension) or ≥0.2 (flexion) was diagnostic for AAI with 100% sensitivity and >94% specificity
  • VCI had the highest diagnostic accuracy among all measured variables (AUC > 0.99)
  • C1-C2 overlap ≤2.7 mm (extension) or ≤1.8 mm (flexion) also diagnostic for AAI (sensitivity 84–96%, specificity 81–90%)
  • C1-C2 angle ≥176.9° (extension) or ≥187.4° (flexion) had high sensitivity and specificity (~95%)
  • Basion-dens interval ≥5.9 mm (extension) or ≥3.0 mm (flexion) provided moderate diagnostic accuracy
  • Cranial translation ratio (CTR) ≥0.18 classified dogs as potentially unstable (sensitivity 90%, specificity 78%)
  • VCI ≥0.23 reliably differentiated AAI from potentially unstable cases (sensitivity 94%, specificity 94%)
  • DALR ≤0.24 had high specificity (100%) but low sensitivity for AAI diagnosis

Planchamp

Veterinary Surgery

4

2022

Determination of cutoff values on computed tomography and magnetic resonance images for the diagnosis of atlantoaxial instability in small-breed dogs

2022-4-VS-planchamp-4

Article Title: Determination of cutoff values on computed tomography and magnetic resonance images for the diagnosis of atlantoaxial instability in small-breed dogs

Journal: Veterinary Surgery

In Smith 2024 et al., on ergonomics and preferences in veterinary laparoscopy, which laparoscopic instrument was reported as the most difficult to use overall?

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Correct. This instrument had a median difficulty score of 4/10 and a 25% difficulty rate.
Incorrect. The correct answer is Endoscopic stapler.
This instrument had a median difficulty score of 4/10 and a 25% difficulty rate.

🔍 Key Findings

  • Surgeons with smaller glove sizes experienced more difficulty using laparoscopic instruments, especially endoscopic staplers, cup biopsy forceps, and vessel sealing devices.
  • Endoscopic stapler was rated the most difficult instrument, with a median difficulty score of 4/10 and 25% usage difficulty.
  • Female surgeons reported significantly more difficulty with several instruments due to smaller glove size.
  • Reusable instruments were preferred over disposable ones for all tasks.
  • Pistol grips were preferred for grasping/retracting and fine dissection, while axial grips were preferred for suturing/knot tying.
  • Articulating handles were consistently associated with increased reported difficulty, especially with scissors and cup biopsy forceps.
  • Left-handed surgeons had more difficulty operating endoscopic staplers, suggesting limited design inclusivity.
  • Surgeons in academic settings reported more difficulty with laparoscopic maneuvers than those in private practice.

Smith

Veterinary Surgery

3

2024

Variables affecting surgeons’ use of, and preferences for, instrumentation in veterinary laparoscopy

2024-3-VS-smith-1

Article Title: Variables affecting surgeons’ use of, and preferences for, instrumentation in veterinary laparoscopy

Journal: Veterinary Surgery

In Peycke 2022 et al., on CBLO in immature dogs, what was the most common **complication** from improper screw placement in CBLO?

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Correct. Two dogs developed valgus deformities from screws breaching the distal lateral portion of the proximal tibial physis.
Incorrect. The correct answer is Valgus deformity.
Two dogs developed valgus deformities from screws breaching the distal lateral portion of the proximal tibial physis.

🔍 Key Findings

  • CBLO was effective for stifle stabilization in skeletally immature dogs with CrCL injuries, avoiding disruption of proximal tibial growth plates.
  • Radiographic union of the osteotomy occurred in a mean of 6 weeks (range: 4–8 weeks), indicating rapid bone healing.
  • Full limb function was restored in all cases by long-term follow-up (mean 23 months), including dogs with initial complications.
  • Two dogs developed 19° valgus deformities due to screw interference with the proximal tibial physis; both were corrected surgically with return to function.
  • One dog developed 10° recurvatum due to over-rotation of the tibial plateau, but retained full function without revision.
  • CCS (countersink compression screw) caused early apophyseal closure in older dogs but had no adverse clinical effects.
  • In contrast, K-wire or plate-only fixation preserved open apophysis, suggesting implant choice may influence growth.
  • No meniscal injuries were observed, and all CrCL injuries were managed arthroscopically — 6 complete, 6 partial, 4 avulsions.

Peycke

Veterinary Surgery

3

2022

Center of rotation of angulation-based leveling osteotomy for stifle stabilization in skeletally immature dogs

2022-3-VS-peycke-2

Article Title: Center of rotation of angulation-based leveling osteotomy for stifle stabilization in skeletally immature dogs

Journal: Veterinary Surgery

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