Your Custom Quiz

In Scheuermann 2023 et al., on femoral MIPO alignment, what was a noted limitation of the prototype FRS?

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Correct. Authors noted the system was bulky, time-consuming, and difficult to use clinically in its current form.
Incorrect. The correct answer is It was cumbersome and inefficient.
Authors noted the system was bulky, time-consuming, and difficult to use clinically in its current form.

🔍 Key Findings

  • Precontoured plates using 3D-printed femoral models achieved near-anatomic alignment in all cadaver limbs.
  • Fracture reduction system (FRS) required significantly fewer fluoroscopy images than intramedullary pin (IMP) methods (7 vs 26, P = .001).
  • Despite longer surgical time (43 vs 29 minutes, P = .011), FRS showed equally accurate or better alignment compared to IMP.
  • Femoral length, frontal, sagittal, and axial alignment were all within near-anatomic thresholds (<10 mm or <5° deviation) in both groups.
  • FRS was associated with more consistent length maintenance, with IMP showing a median shortening of 2.3 mm (P = .03).
  • Axial plane deviation was statistically different in the FRS group (P = .04), but still clinically acceptable.
  • Study highlights potential for custom 3D-printed guides to reduce radiation exposure and improve precision in MIPO procedures.
  • Authors caution that FRS was time-consuming and cumbersome, suggesting design refinements needed for clinical use.

Scheuermann

Veterinary Surgery

6

2023

Minimally invasive plate osteosynthesis of femoral fractures with 3D‐printed bone models and custom surgical guides: A cadaveric study in dogs

2023-6-VS-scheuermann-5

Article Title: Minimally invasive plate osteosynthesis of femoral fractures with 3D‐printed bone models and custom surgical guides: A cadaveric study in dogs

Journal: Veterinary Surgery

In Lederer 2025 et al., on MIPO vs ORPS, which surgeon-related variable significantly influenced fixation technique choice?

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Correct. Choice of MIPO vs ORPS was significantly influenced by attending surgeon (p < .001).
Incorrect. The correct answer is Attending surgeon identity.
Choice of MIPO vs ORPS was significantly influenced by attending surgeon (p < .001).

🔍 Key Findings

Study size: 105 dogs (73 ORPS; 32 MIPO)

MIPO vs ORPS differences:

  • Surgical time: MIPO median 130 min vs ORPS 85 min (p < .001)
  • Explant rate: MIPO 25% vs ORPS 4.1% (p = .003)
  • Time to clinical union: MIPO 85 days vs ORPS 57 days (p = .010)
  • Frontal alignment deviation: MIPO 3.5° vs ORPS 2.0° (p = .047)
  • Comminution more frequent in MIPO (41% vs 16%; p = .012)

Significant predictors for MIPO use: More proximal fracture margin (p = .004), surgeon identity (p < .001)

No significant difference: Sagittal alignment, radial length, union rate, or complication rate by surgeon

Implant preference: Fixin plates used in 84% of MIPO; locking plates more common in ORPS

Lederer

Veterinary Surgery

4

2025

Retrospective comparison of minimally invasive plate osteosynthesis and open reduction and plate stabilization of antebrachial fractures in 105 dogs (2017–2022)

2025-4-VS-lederer-5

Article Title: Retrospective comparison of minimally invasive plate osteosynthesis and open reduction and plate stabilization of antebrachial fractures in 105 dogs (2017–2022)

Journal: Veterinary Surgery

In Oramas 2025 et al., on laparoscopic liver lobectomy, what was the median total surgical time?

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Correct. Median total surgical time was 35.5 minutes (range 25.1–62.8).
Incorrect. The correct answer is 35.5 minutes.
Median total surgical time was 35.5 minutes (range 25.1–62.8).

🔍 Key Findings

  • 13 cadaver dogs underwent laparoscopic right lateral liver lobectomy in sternal recumbency using a transdiaphragmatic intrathoracic trocar (ITT).
  • All lobectomies were successful, regardless of dog size.
  • Median total surgical time: 35.5 min; median lobectomy time: 18.5 min.
  • ITT port enhanced visualization and access to hilus.
  • No correlation between body weight and hilus access (p = .78).
  • Stronger correlation between liver lobe weight and lobectomy time (r = .73, p = .004).
  • Complication in 3/13 cases: Loss of insufflation due to balloon-tip port failure and pneumothorax.
  • Recommendation: Use a new balloon trocar per case in clinical applications to prevent failure.

Oramas

Veterinary Surgery

4

2025

Evaluation of sternal recumbency for laparoscopic right lateral liver lobectomy through a transdiaphragmatic port in a canine cadaveric population

2025-4-VS-oramas-5

Article Title: Evaluation of sternal recumbency for laparoscopic right lateral liver lobectomy through a transdiaphragmatic port in a canine cadaveric population

Journal: Veterinary Surgery

In McLean 2024 et al., which variables were found to have no significant association with rock-back?

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Correct. Neither plate inclination nor ECA were associated with rock-back in this clinical study (p = 0.4 and 0.2):contentReference[oaicite:1]{index=1}
Incorrect. The correct answer is Plate inclination and exit cut angle (ECA).
Neither plate inclination nor ECA were associated with rock-back in this clinical study (p = 0.4 and 0.2):contentReference[oaicite:1]{index=1}

🔍 Key Findings Summary

  • 95 TPLO procedures reviewed retrospectively with follow-up radiographs
  • Rock-back defined as increase in tibial plateau angle (TPA) ≥2° from immediate post-op to recheck
  • 21% of stifles (20/95) experienced rock-back
  • Mean ΔTPA among rock-back cases = 3.2° ± 2.6°
  • No implant failures or tibial tuberosity fractures were reported in these cases
  • Plate inclination and exit cut angle (ECA) were not associated with increased risk of rock-back (p = 0.4 and 0.2)
  • Authors hypothesize that compression across osteotomy in vivo may mitigate torsional effects from ECA, unlike in gap-model studies
  • Emphasizes that rock-back is relatively common, even with well-placed implants

Mclean

Veterinary and Comparative Orthopedics and Traumatology

6

2024

Effect of Plate Inclination and Osteotomy Positioning on Rock-back following Tibial Plateau Levelling Osteotomy in Dogs

2024-6-VCOT-mclean-2

Article Title: Effect of Plate Inclination and Osteotomy Positioning on Rock-back following Tibial Plateau Levelling Osteotomy in Dogs

Journal: Veterinary and Comparative Orthopedics and Traumatology

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 Zann 2023 et al., In Long-term outcomes after proximal humeral OC debridement in dogs, what difference was noted in affected limbs compared to contralateral limbs in unilaterally affected dogs?

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Correct. OC limbs showed measurable atrophy and reduced ROM compared to contralateral healthy limbs.
Incorrect. The correct answer is Decreased brachial circumference and extension.
OC limbs showed measurable atrophy and reduced ROM compared to contralateral healthy limbs.

🔍 Key Findings

  • 20 dogs (26 shoulders) evaluated at mean 3.5 years post-surgery after arthroscopic or open debridement.
  • Ipsilateral muscle atrophy and decreased range of motion (↓ extension, ↓ flexion) in affected limbs compared to contralateral healthy shoulders.
  • All treated shoulders developed osteoarthritis, confirmed radiographically, by CT, and arthroscopically.
  • Moderate to severe synovitis was present in all shoulders; lesions showed patchy, incomplete cartilage infilling even up to 8.9 years post-op.
  • Kinetic gait analysis showed no significant differences in PVF/VI between affected and unaffected limbs, despite mild lameness clinically.
  • Owners reported good to very good mobility (median LOAD = 6), often underestimating clinical lameness.
  • CT detected larger lesion dimensions than radiographs (wider, deeper defects).
  • Despite progression of OA, surgical debridement was associated with satisfactory long-term function, though not prevention of degenerative changes.

Zann

Veterinary Surgery

7

2023

Long-term outcome of dogs treated by surgical debridement of proximal humeral osteochondrosis

2023-7-VS-zann-4

Article Title: Long-term outcome of dogs treated by surgical debridement of proximal humeral osteochondrosis

Journal: Veterinary Surgery

In Chen 2024 et al., on pressure-measurement tools, why is high precision potentially more critical than accuracy when monitoring portal pressures during PSS ligation?

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Correct. Consistent readings help guide decisions about safe occlusion levels despite small bias.
Incorrect. The correct answer is Precision allows reliable comparison of pre- and post-ligation values.
Consistent readings help guide decisions about safe occlusion levels despite small bias.

🔍 Key Findings

  • WMg (water manometer with gauge) was the most accurate and precise pressure measurement device.
  • APT (arterial pressure transducer) was less accurate than WMg but still precise; it differed significantly from the gold standard (WMr).
  • CCT (Compass CT) was the least accurate and precise and differed significantly from the set pressure.
  • Mean differences from set pressure were smallest for WMg (−0.020 cm H2O), moderate for APT (−0.390 cm H2O), and largest for CCT (−1.267 cm H2O).
  • All devices showed excellent interobserver (ICC = 1.000) and intraobserver agreement (ICC range 0.985–0.998).
  • Even though the CCT performed least well, all devices had mean errors ≤1.3 cm H2O, indicating potential clinical utility.
  • WMg or WMr should be preferred in surgical settings due to superior accuracy and precision.
  • Measurement precision is more critical than accuracy during PSS surgery, as a 1 mm Hg (~1.3 cm H2O) increase in portal pressure raises odds of poor outcomes by 9%.

Chen

Veterinary Surgery

4

2024

Accuracy, precision, and interobserver and intraobserver agreements related to pressure-measurement devices

2024-4-VS-chen-3

Article Title: Accuracy, precision, and interobserver and intraobserver agreements related to pressure-measurement devices

Journal: Veterinary Surgery

In Timmermans 2026 et al., on soft palate changes post-BOAS surgery, which of the following best describes the rostral thickness (RTH) outcome in both treatment groups?

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Correct. Both surgical techniques resulted in increased RTH at 3 months postoperatively.
Incorrect. The correct answer is Increased after both FFP and STS.
Both surgical techniques resulted in increased RTH at 3 months postoperatively.

🔍 Key Findings

  • Soft palate length, volume, and cross-sectional area decreased significantly after both folded flap palatoplasty (FFP) and standard staphylectomy (STS).
  • Middle thickness (MTH) of the soft palate decreased after STS but increased after FFP, indicating FFP may not thin the soft palate long-term.
  • Rostral thickness (RTH) increased in both groups, suggesting regional variation in healing or remodeling.
  • Clinical improvement (exercise tolerance) occurred in most dogs: 6/8 in FFP and 10/10 in STS group.
  • One major complication in FFP group led to death despite revision surgery; another mortality occurred in STS group (likely due to severe laryngeal collapse).
  • No difference in minor complication rates between FFP and STS groups.
  • Histological remodeling or edema may explain lack of MTH reduction in FFP at 3 months.
  • Immediate postoperative imaging may be needed to evaluate initial reduction effects of FFP.

Timmermans

Veterinary Surgery

1

2026

Evaluation of soft palate thickness in brachycephalic dogs 3 months after folded flap palatoplasty versus standard staphylectomy

2026-1-VS-timmermans-5

Article Title: Evaluation of soft palate thickness in brachycephalic dogs 3 months after folded flap palatoplasty versus standard staphylectomy

Journal: Veterinary Surgery

In Fink 2025 et al., on Roux-en-Y outcomes, which complication had the **lowest** reported incidence?

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Correct. Bile leakage was not reported in any animal postoperatively, making it the least observed complication.
Incorrect. The correct answer is Bile leakage.
Bile leakage was not reported in any animal postoperatively, making it the least observed complication.

🔍 Key Findings

  • Roux-en-Y procedures were successfully completed in all 11 cases (6 dogs, 5 cats), despite case complexity and disease severity.
  • Median survival post-discharge was longer in cats (365 days) vs. dogs (82 days), with better outcomes in non-neoplastic vs. neoplastic disease (192 vs. 5 days).
  • Complication rate was high, with septic peritonitis, dehiscence, and cardiac arrest as leading causes of postoperative death; mortality rate = 36%.
  • Dehiscence rate was 8.6% (2 of 23 anastomoses), considered lower than typical rates for GI anastomoses in high-risk patients.
  • Feeding tubes (gastrostomy/jejunostomy) were used in all cases, enabling early nutritional support and stomach decompression.
  • Postoperative nausea and vomiting were common but mostly self-limiting; managed with metoclopramide, cisapride, and antiemetics.
  • Choledochojejunostomy was preferred when common bile duct was dilated, offering a favorable size match and potentially reducing bile leakage.
  • Roux-en-Y reduced typical Billroth II complications (e.g., bile reflux, afferent loop syndrome, dumping syndrome), with none observed in discharged patients.

Fink

Veterinary Surgery

5

2025

Roux‐en‐Y procedure to reconstruct the upper gastrointestinal tract in six dogs and five cats: A descriptive case series

2025-5-VS-fink-3

Article Title: Roux‐en‐Y procedure to reconstruct the upper gastrointestinal tract in six dogs and five cats: A descriptive case series

Journal: Veterinary Surgery

In Buote 2023 et al., on laparoscopic vertical sleeve gastrectomy (LVSG), on LVSG, what percentage of the stomach was resected by weight in cadaveric specimens?

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Correct. The mean resected stomach weight was 27.6% of total weight in cadaveric procedures.
Incorrect. The correct answer is 27.6%.
The mean resected stomach weight was 27.6% of total weight in cadaveric procedures.

🔍 Key Findings

  • LVSG was successfully performed in 9/10 cadavers and both live cats, demonstrating procedural feasibility.
  • Mean stomach resected was 27.6% of total weight in cadavers, with no leaks in 8/8 tested or either live patient.
  • Mean surgical time: 110.4 min (cadavers) and 115 min (live cats); no intra- or postoperative complications observed.
  • Stenosis near the incisura occurred in 2 cadavers; attributed to staple placement too close to the lesser curvature.
  • 3D printed cannulas (3DPCs) improved ergonomics and were used in 6/10 cadavers and both live procedures.
  • Live cats lost 21–24% body weight over 3 months, with full return to pre-surgical BCS and no GI complications.
  • Orogastric tube and proper tensioning were critical in preventing gastric stenosis during staple placement.
  • No reinforcement or oversew was used on the staple line; TriStaple cartridges provided reliable closure.

Buote

Veterinary Surgery

7

2023

Laparoscopic vertical sleeve gastrectomy in felines: A cadaveric feasibility study and experimental case series in two cats

2023-7-VS-buote2-2

Article Title: Laparoscopic vertical sleeve gastrectomy in felines: A cadaveric feasibility study and experimental case series in two cats

Journal: Veterinary Surgery

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