Your Custom Quiz

In Hanlon 2022 et al., on short screw sacroiliac fixation, what was the difference in mechanical performance between short lag and short positional screws?

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Correct. No statistical difference in mechanical performance (stiffness, peak, or yield load) was found between SLS and SPS.
Incorrect. The correct answer is No mechanical difference was observed.
No statistical difference in mechanical performance (stiffness, peak, or yield load) was found between SLS and SPS.

🔍 Key Findings

  • Two short screws (SLS or SPS) provided >2× peak load, yield load, and stiffness vs a single long screw (LLS) for SI joint stabilization.
  • No mechanical advantage was seen between the two short screw types (lag vs positional).
  • All short screws terminated lateral to the spinal canal, avoiding spinal impingement.
  • Ventral sacral foraminal impingement occurred in 3 short-screw cases (1 SPS, 2 SLS), all involving the caudal screw.
  • LLS group showed more abaxial displacement at osteotomy sites, suggesting inferior stabilization for concurrent pelvic fractures.
  • Short screw constructs had longer total screw length (48 mm) than LLS (40 mm), contributing to increased stiffness.
  • Positioning of caudal screw in a cranial/craniodorsal trajectory may help avoid nerve foraminal injury.
  • No significant difference in displacement at peak load among groups; stiffness and load capacity were the primary benefits.

Hanlon

Veterinary Surgery

7

2022

Mechanical evaluation of canine sacroiliac joint stabilization using two short screws

2022-7-VS-hanlon-2

Article Title: Mechanical evaluation of canine sacroiliac joint stabilization using two short screws

Journal: Veterinary Surgery

In Story 2024 et al., on eTPA osteotomy comparison, which technique resulted in the **greatest mechanical axis shift**?

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Correct. Group A (CBLO + CCWO) caused the largest change in mechanical cranial distal tibial angle (mCrDTA), indicating the most mechanical axis shift.
Incorrect. The correct answer is CBLO + CCWO.
Group A (CBLO + CCWO) caused the largest change in mechanical cranial distal tibial angle (mCrDTA), indicating the most mechanical axis shift.

🔍 Key Findings

  • Population: 16 dogs (27 tibias), TPA >34°
  • Techniques analyzed:
    • Group A: CBLO + CCWO
    • Group B: TPLO + CCWO
    • Group C: mCCWO
    • Group D: PTNWO
  • Outcomes:
    • All groups achieved post-correction TPA < 14°.
    • Group A: Slight over-correction (mean TPA 10.47°); greatest mechanical axis shift.
    • Group B: Tibial shortening (~0.58%); least mechanical axis shift.
    • Group C: Lowest post-correction TPA (mean 4.76°); under-correction.
    • Group D: High accuracy, minimal shortening (mean 7.09° post).
  • Statistical Significance:
    • Significant differences in tibial length change and mCrDTA (mechanical axis shift) between groups (p <.05).
    • TPA correction accuracy: Group A (1.02), B (0.95), C (0.89), D (0.98).

Story

Veterinary Surgery

1

2024

Morphologic impact of four surgical techniques to correct excessive tibial plateau angle in dogs: A theoretical radiographic analysis

2024-1-VS-story-1

Article Title: Morphologic impact of four surgical techniques to correct excessive tibial plateau angle in dogs: A theoretical radiographic analysis

Journal: Veterinary Surgery

In Nash 2024 et al., on esophageal pH monitoring, what was the primary method used to calculate upper reference limits for GER parameters?

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Correct. Highly skewed data with frequent zeros led the authors to apply a nonparametric method using median + 3×IQR.
Incorrect. The correct answer is Median + 3×IQR.
Highly skewed data with frequent zeros led the authors to apply a nonparametric method using median + 3×IQR.

🔍 Key Findings

  • Esophageal pH-monitoring was well tolerated in all 35 nonbrachycephalic dogs, with no major adverse events reported.
  • Distal GER occurred in 80% of dogs, but events were typically brief and non-productive; proximal GER occurred in only 39%.
  • Upper reference limits for GER were 2.4 events/hour (distal) and 0.4 events/hour (proximal).
  • Cumulative acid exposure was minimal: upper limits were 2.3% (distal) and 0% (proximal).
  • Comparison with brachycephalic dogs shows significantly higher GER frequency and duration, validating the diagnostic utility of pH monitoring.
  • Transnasal probe placement under light anesthesia was safe and less morbid compared to percutaneous or conscious techniques.
  • No expelled or productive regurgitation occurred, despite some GER events, indicating efficient esophageal clearance in healthy dogs.
  • Diet and fasting duration may affect GER, but these were not controlled variables in this study.

Nash

Veterinary Surgery

8

2024

Esophageal pH‐monitoring in nonbrachycephalic dogs: A reference

2024-8-VS-nash-2

Article Title: Esophageal pH‐monitoring in nonbrachycephalic dogs: A reference

Journal: Veterinary Surgery

In Adair 2023 et al., on PCCLm vs OC in dogs, which factor was NOT significantly different between groups?

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Correct. There was no significant difference in incomplete urolith removal between PCCLm and OC (p = .112).
Incorrect. The correct answer is Rate of incomplete urolith removal.
There was no significant difference in incomplete urolith removal between PCCLm and OC (p = .112).

🔍 Key Findings

  • PCCLm resulted in significantly fewer postoperative lower urinary tract signs compared to OC (13.0% vs 60.9%, p <.001).
  • Incomplete urolith removal was not significantly different between PCCLm and OC (11.4% vs 20%, p = .112).
  • PCCLm had significantly shorter anesthesia times than OC when no concurrent procedures were performed (97.5 vs 120 min, p < .001).
  • Surgical site infection/inflammation (SSII) rates were low and not significantly different between groups (4.5% PCCLm vs 1.8% OC).
  • Dogs undergoing PCCLm were more frequently discharged same-day (84.7% vs 0% in OC), reflecting faster recovery.
  • PCCLm had higher intraoperative complication rates (22.1% vs 3.4%), mostly due to incision extension or conversions.
  • Time to additional surgery for urolith recurrence was longer in PCCLm dogs (24 vs 11.5 months, p = .004).
  • Calcium oxalate uroliths were more prevalent in PCCLm cases, while OC had more struvite or mixed types.

Adair

Veterinary Surgery

7

2023

Retrospective comparison of modified percutaneous cystolithotomy (PCCLm) and traditional open cystotomy (OC) in dogs: 218 cases (2010–2019)

2023-6-VS-adair-2

Article Title: Retrospective comparison of modified percutaneous cystolithotomy (PCCLm) and traditional open cystotomy (OC) in dogs: 218 cases (2010–2019)

Journal: Veterinary Surgery

In Espinel Rupérez 2023 et al., in Arthroscopic-assisted hip toggle stabilization in cats, what type of cartilage injury was most commonly observed?

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Correct. Cartilage injury occurred in 10 joints, all classified as minor (<10% area affected).
Incorrect. The correct answer is Minor cartilage injury involving <10% of surface.
Cartilage injury occurred in 10 joints, all classified as minor (<10% area affected).

🔍 Key Findings

  • 14 joints from 7 cat cadavers underwent AA-HTS successfully.
  • Median surgical time: 46.5 min (29–144), including 7 min for arthroscopy and 40 min for toggle placement.
  • Intraoperative complications in 5/14 joints: 4 related to femoral tunnel creation, 1 toggle lodging.
  • Toggle passage through femoral tunnel was the most challenging step, mildly difficult in 6 joints.
  • Cartilage injury occurred in 10 joints, but all were minor (<10% of cartilage area).
  • 13 deviations from planned technique were identified (8 major, 5 minor), all involving femoral tunnel placement.
  • No neurovascular, intrapelvic, or major periarticular injuries occurred.
  • Authors conclude: AA-HTS is feasible in cats, but associated with high rates of minor iatrogenic cartilage damage, intra-op complications, and technique deviations.

Espinel Rupérez

Veterinary Surgery

7

2023

Arthroscopic-assisted hip toggle stabilization in cats: An ex vivo feasibility study

2023-7-VS-espinel-3

Article Title: Arthroscopic-assisted hip toggle stabilization in cats: An ex vivo feasibility study

Journal: Veterinary Surgery

In Marchionatti 2022 et al., on antiseptic efficacy comparison, what was reported about skin bacterial colonization?

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Correct. Meta-analysis demonstrated no significant difference in immediate or delayed colonization between groups (RR and SMD not significant):contentReference[oaicite:1]{index=1}
Incorrect. The correct answer is Both antiseptics showed equivalent colonization reduction.
Meta-analysis demonstrated no significant difference in immediate or delayed colonization between groups (RR and SMD not significant):contentReference[oaicite:1]{index=1}

🔍 Key Findings

  • Chlorhexidine-based asepsis protocols were comparable to povidone-iodine for reducing surgical site infection (SSI) rates in veterinary surgery.
  • No significant difference in skin bacterial colonization was observed between the two antiseptics, at both immediate and delayed timepoints.
  • Chlorhexidine-alcohol protocols showed a non-significant trend toward improved bacterial reduction in some studies, though inconsistent across all studies.
  • Use of neutralizing agents was inconsistent, which may have led to overestimation of antiseptic efficacy in several studies.
  • Formulations and concentrations varied widely (e.g., chlorhexidine 0.5–4%, povidone-iodine 0.7–1%), contributing to heterogeneity and limiting definitive conclusions.
  • Only a minority of studies reported using CDC criteria for SSI diagnosis, affecting the reliability of infection outcomes.
  • Risk of bias was high or unclear in multiple domains across all included studies, limiting overall confidence in conclusions.
  • Meta-analysis confirmed no statistically significant superiority of either protocol for SSI prevention or skin bacterial reduction.

Marchionatti

Veterinary Surgery

5

2022

Preoperative skin asepsis protocols using chlorhexidine versus povidone‐iodine in veterinary surgery: A systematic review and meta-analysis

2022-5-VS-marchionatti-2

Article Title: Preoperative skin asepsis protocols using chlorhexidine versus povidone‐iodine in veterinary surgery: A systematic review and meta-analysis

Journal: Veterinary Surgery

In Chik 2025 et al., on abdominal wall prestretching, what percentage of the working space improvement achieved at 10 mmHg was retained after returning to 6 mmHg?

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Correct. PS retained 62.9% of the IWL and 66.3% of the IWS benefits of 10 mmHg insufflation.
Incorrect. The correct answer is 63%.
PS retained 62.9% of the IWL and 66.3% of the IWS benefits of 10 mmHg insufflation.

🔍 Key Findings

  • Prestretching (PS) at 10 mmHg for 3 minutes significantly increased working space at 6 mmHg IAP — IWL +4.4%, IWS +6.9%.
  • PS provided ≈63% of the IWL and ≈66% of the IWS gains achieved with sustained 10 mmHg IAP.
  • All laparoscopic procedures were completed at 6 mmHg after PS; no conversions or pressure increases were needed.
  • Working space benefits persisted throughout surgery — end-of-procedure measurements were unchanged from post-PS baseline.
  • Transverse expansion (RLAT/LLAT) was greater than sagittal (CRA/CAU), consistent with adult abdominal wall compliance.
  • No adverse anesthetic events occurred; mild complications (e.g., gas leakage) were easily managed.
  • Large breed dogs were overrepresented, but all dogs served as their own controls, normalizing size effects.
  • Prestretching is a simple, effective technique to maximize working space without increasing insufflation pressure.

Chik

Veterinary Surgery

5

2025

Prestretching increases working space at the same insufflation pressure in dogs undergoing laparoscopic procedures

2025-5-VS-chik-2

Article Title: Prestretching increases working space at the same insufflation pressure in dogs undergoing laparoscopic procedures

Journal: Veterinary Surgery

In Petazzoni 2022 et al., on DPO in older dogs, what was the most notable change in femoral head coverage after surgery?

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Correct. Percentage of femoral head coverage increased significantly at 1 year post-op.
Incorrect. The correct answer is PC increased by 66.7%.
Percentage of femoral head coverage increased significantly at 1 year post-op.

🔍 Key Findings

  • DPO improved joint congruity and clinical signs in dogs ≥10 months old with minimal osteoarthritis.
  • Median Norberg angle increased by 21.8% 1 year postoperatively (from 87° to 106°; p < .01).
  • Femoral head coverage increased significantly, with PC rising 66.7% and LHC by 162.5% at 1 year (p < .01).
  • No significant change in pelvic canal width postoperatively, suggesting pelvic conformation was preserved.
  • All ilial osteotomies healed with complete osseous bridging by 8 weeks; 7/11 pubic osteotomies achieved full healing.
  • No intraoperative or postoperative complications were reported, including implant failure.
  • Locking plates and additional ventral plating were used in select cases and may have contributed to implant stability.
  • DPO may be extended to older dogs with suitable hip morphology and minimal OA, expanding traditional age criteria.

Petazzoni

Veterinary Surgery

2

2022

Clinical outcomes of double pelvic osteotomies in eight dogs with hip dysplasia aged 10–28 months

2022-2-VS-petazzoni-2

Article Title: Clinical outcomes of double pelvic osteotomies in eight dogs with hip dysplasia aged 10–28 months

Journal: Veterinary Surgery

In Fracka 2025 et al., on cementless knee replacement, which advantage of cementless TKR is emphasized in the discussion?

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Correct. Cementless TKR offers enhanced bone integration, eliminates cement-related complications, and preserves bone stock【57†Veterinary Surgery†L1-L20】
Incorrect. The correct answer is Enhanced osseointegration and bone preservation.
Cementless TKR offers enhanced bone integration, eliminates cement-related complications, and preserves bone stock【57†Veterinary Surgery†L1-L20】

🔍 Key Findings

Subject: 7-year-old Labrador underwent cementless total knee replacement (TKR) due to severe stifle OA.

Clinical function:

  • Improved ROM from 90° pre-op to 120° post-op.
  • Weight-bearing increased from toe-touching to 70% bodyweight by 6 weeks post-op.
  • No visible lameness by 14 weeks.

Implant performance:

  • No complications at any follow-up points.
  • No osteolysis, loosening, or metallosis at 6-year necropsy.

Wear evaluation:

  • Mild UHMWPE insert wear, localized to caudal edges.

Histologic findings:

  • Robust osseointegration at implant-bone interface.
  • Fibrous tissue only in areas lacking porous coating.

Conclusion:

  • Cementless TKR demonstrated excellent 6-year survival and functional outcomes.
  • Support for considering early surgical intervention in severe stifle OA.

Fracka

Veterinary Surgery

3

2025

Long‐term clinical outcomes and retrieval analysis of a cementless total knee replacement in a dog

2025-3-VS-fracka-5

Article Title: Long‐term clinical outcomes and retrieval analysis of a cementless total knee replacement in a dog

Journal: Veterinary Surgery

In Guevara 2024 et al., on implant placement accuracy, what was the rate of acceptable pin placement using 3D-printed guides?

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Correct. The 3DPG group had an acceptable placement rate of 87.5% vs 69.8% in FH group.
Incorrect. The correct answer is 87.5%.
The 3DPG group had an acceptable placement rate of 87.5% vs 69.8% in FH group.

🔍 Key Findings:

  • Sample: 24 canine cadavers, 477 total pins across 240 vertebrae.
  • Technique Comparison: 3D printed guides (3DPG) vs freehand (FH).
  • Acceptable Placement Rates: 3DPG = 87.5%, FH = 69.8% (p < .0001).
  • Odds Ratio for FH: 0.28 (95% CI 0.16–0.47), significantly less likely to yield acceptable placement.
  • Worst Accuracy Locations: T10 (OR 0.10), T11 (OR 0.35).
  • Surgeon Impact: Surgeon 2 outperformed others (OR 9.61, p = .001).
  • Modified Zdichavsky Classification used to score implant accuracy (Grades I–IIIb).
  • Primary Benefit of 3DPG: Increased safety and precision, regardless of surgeon experience.

Guevara

Veterinary Surgery

2

2024

Ex vivo comparison of pin placement with patient-specific drill guides or freehand technique in canine cadaveric spines

2024-2-VS-guevara-1

Article Title: Ex vivo comparison of pin placement with patient-specific drill guides or freehand technique in canine cadaveric spines

Journal: Veterinary Surgery

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