Your Custom Quiz

In Sanders 2024 et al., on feline anastomosis techniques, what was the observed mean jejunal mural thickness?

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Correct. Jejunal mural thickness averaged 2.28 ± 0.30 mm, the greatest among gastrointestinal segments measured.
Incorrect. The correct answer is 2.28 mm.
Jejunal mural thickness averaged 2.28 ± 0.30 mm, the greatest among gastrointestinal segments measured.

🔍 Key Findings Summary

  • ILP and MIP: No significant differences in leak pressure between HSA, FEESA, and SS techniques (p > .05).
  • Construct Time:
    • FEESA (no oversew) fastest: 79 ± 30 s
    • HSA-SI slowest: 397 ± 70 s (p < .001)
  • Tissue Thickness:
    • Jejunum thickest: 2.28 ± 0.30 mm
    • Stomach thinnest: 1.66 ± 0.28 mm
  • Staple Malformation: Noted in 2 FEESA-O constructs, vertical staple line.
  • Leak Locations:
    • HSA: All leaked from suture bites
    • FEESA: Leaks from vertical and horizontal staple lines
    • SS: Mostly from staple holes

Sanders

Veterinary Surgery

2

2024

Gastrointestinal thickness, duration, and leak pressure of five intestinal anastomosis techniques in cats

2024-2-VS-sanders-2

Article Title: Gastrointestinal thickness, duration, and leak pressure of five intestinal anastomosis techniques in cats

Journal: Veterinary Surgery

In Welker 2024 et al., on thoracic duct anastomosis with MAC device, what surgical consideration is recommended to improve outcomes?

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Correct. Persistent branches were suspected to impair redirection of flow and may require ligation during surgery.
Incorrect. The correct answer is Ligation of persistent thoracic duct branches.
Persistent branches were suspected to impair redirection of flow and may require ligation during surgery.

🔍 Key Findings

  • Anastomosis of the thoracic duct (TD) to the intercostal vein (ICV) using a microvascular anastomotic coupler (MAC) was feasible in all 6 healthy dogs
  • Immediate postoperative patency was confirmed in all dogs, but only 4/6 had patent anastomoses at 30 days, with 2 failing due to ICV kinking
  • Kinking of the ICV near the azygos vein insertion was the primary failure mechanism, likely from MAC malalignment
  • No intraoperative or major postoperative complications occurred, though 2 dogs developed mild seromas
  • Use of the MAC device simplified microsurgical anastomosis versus hand suturing, especially in the deep thoracic cavity
  • Contrast lymphangiography showed faster clearance from the cisterna chyli postoperatively, suggesting effective flow redirection
  • Persistent branches of the thoracic duct may impact outcomes, and should be ligated during surgery
  • This technique may be a potential novel treatment for idiopathic chylothorax, improving outcomes by reducing collateral flow stimuli

Welker

Veterinary Surgery

7

2024

Anastomosis of the caudal thoracic duct and intercostal vein using a microvascular anastomotic coupler device: Experimental study in six dogs

2024-7-VS-welker-5

Article Title: Anastomosis of the caudal thoracic duct and intercostal vein using a microvascular anastomotic coupler device: Experimental study in six dogs

Journal: Veterinary Surgery

In Lemmon 2025 et al., on synovitis severity scoring, what clinical implication was proposed based on the findings?

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Correct. Higher synovitis scores were tied to worse cartilage lesions, supporting early treatment.
Incorrect. The correct answer is Earlier intervention may help reduce synovitis.
Higher synovitis scores were tied to worse cartilage lesions, supporting early treatment.

🔍 Key Findings

Synovitis was present in 100% of canine stifles with CCL disease (n = 163).

The most frequent severity score was 3/5 (55.2%), followed by 4/5 (24.5%).

Higher synovitis scores were significantly associated with:

  • Higher median cartilage scores (p = .042, OR = 2.1 per unit increase)
  • Longer duration of clinical signs (p < .001, OR = 1.27 per month)

Bodyweight (p = .083) and sex (p = .17) were not statistically significant in multivariable analysis.

Bucket handle meniscal tears were not associated with synovitis severity.

Clinical implication: Earlier intervention may help reduce synovitis and slow OA progression.

Lemmon

Veterinary Surgery

3

2025

Arthroscopic synovitis severity scoring in canine stifles with cranial cruciate ligament disease

2025-3-VS-lemmon-5

Article Title: Arthroscopic synovitis severity scoring in canine stifles with cranial cruciate ligament disease

Journal: Veterinary Surgery

In Mattioli 2025 et al., on lymphadenectomy complications, which lymph node sites were associated with a higher complication rate when surgery exceeded 21.5 minutes?

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Correct. Mandibular and retropharyngeal lymphadenectomies lasting more than 21.5 minutes were associated with higher complication rates.
Incorrect. The correct answer is Mandibular and retropharyngeal.
Mandibular and retropharyngeal lymphadenectomies lasting more than 21.5 minutes were associated with higher complication rates.

🔍 Key Findings

Sample: 201 lymphadenectomies in 163 dogs.
Intraoperative techniques:

  • Unassisted: 36%
  • Methylene blue (MB): 24%
  • Gamma probe + MB (γ-MB): 40%

Complication rate: 7.5% overall (93% uncomplicated)

  • 80% were mild, 20% moderate; no severe complications
  • Most common = seroma (2.5%), lymphoedema (1.5%)

Risk factors (via decision tree model):

  • Surgical time > 21.5 min
  • Lymph node site = mandibular or retropharyngeal

No significant difference in complication rate based on:

  • Guidance technique (p = .255)
  • LN palpability, number removed, or LN size

Clinical implication: Peripheral SLN excision is safe regardless of intraoperative technique; certain sites and durations carry slightly higher risk.

Mattioli

Veterinary Surgery

4

2025

Peripheral sentinel lymphadenectomy in 163 dogs: Postoperative surgical complications and comparison between intraoperative dissection techniques

2025-4-VS-mattioli-3

Article Title: Peripheral sentinel lymphadenectomy in 163 dogs: Postoperative surgical complications and comparison between intraoperative dissection techniques

Journal: Veterinary Surgery

In Scheuermann 2024 et al., on 3D-printed reduction guides for tibial fractures, which statement best describes the application of precontoured plates?

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Correct. Plates were shaped to mirror-image models and were easily applied.
Incorrect. The correct answer is Precontoured to 3D-printed models and fit easily.
Plates were shaped to mirror-image models and were easily applied.

🔍 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-scheuermann1-3

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 Mazdarani 2025 et al., on simulated muscle loading, what design feature made Model 3 more favorable for research use over Model 1?

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Correct. Model 3 limited hip motion to flexion-extension, improving documentation.
Incorrect. The correct answer is Better radiographic reproducibility.
Model 3 limited hip motion to flexion-extension, improving documentation.

🔍 Key Findings

  • Simulated quadriceps and gastrocnemius forces increased proportionally with axial load in all three femoral fixation models.
  • Model 2 (rigid fixation) resulted in subphysiologic quadriceps forces and abnormally high gastrocnemius forces, reducing model fidelity.
  • Models 1 and 3 (with hip mobility) produced more physiologic quadriceps and force ratios, especially under 30–40% bodyweight loads.
  • Force ratios were significantly lower in rigid fixation (Model 2) compared to hip-mobile models (p = .007), suggesting model design affects simulated muscle coordination.
  • Joint angles (stifle and hock) remained within acceptable limits, though slight flexion occurred with increasing load.
  • Relative foot position differed by ~3.9 mm between models 2 and 3, with model 2 showing a more caudal position.
  • Model 3 preserved benefits of hip mobility while allowing radiographic documentation, making it a preferred setup for future studies.
  • The study suggests that models used in feline stifle stabilization research may underestimate physiologic forces, especially with rigid fixation designs.

Mazdarani

Veterinary Surgery

5

2025

Proximal femoral fixation method and axial load affect simulated muscle forces in an ex vivo feline limb press

2025-5-VS-mazdarani-4

Article Title: Proximal femoral fixation method and axial load affect simulated muscle forces in an ex vivo feline limb press

Journal: Veterinary Surgery

In Gibson 2024 et al., on mediastinoscopy in dogs, which factor was identified as a major **technical limitation** of using a human-designed mediastinoscope?

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Correct. Human-designed mediastinoscopes had channels too short and lacked adequate reach in dogs.
Incorrect. The correct answer is Instrument reach and stability limitations.
Human-designed mediastinoscopes had channels too short and lacked adequate reach in dogs.

🔍 Key Findings

  • Mediastinoscopy was technically feasible in large-breed canine cadavers using a SILS port and standard laparoscopic instruments.
  • The left tracheobronchial lymph node (LTBLN) was successfully retrieved in all cadavers (7/7), while cranial mediastinal lymph nodes were retrieved in only 1/7.
  • Postprocedural pleural gas was observed in 4/7 cadavers, likely due to CO₂ insufflation.
  • Instrument limitations with a human-designed mediastinoscope led to preference for laparoscopic instruments and SILS port for improved access and visualization.
  • Complication rates were low, with only two minor (Grade 1) adverse events (pleural tear and LN rupture).
  • Obesity and mediastinal fat were cited as potential challenges to visualization and node retrieval.
  • NASA-TLX workload scores were lowest for tracheobronchial nodes, indicating these were the easiest to access.
  • The authors concluded this approach may facilitate minimally invasive biopsy or resection of cranial mediastinal masses in live dogs, but clinical trials are needed to validate safety and efficacy.

Gibson

Veterinary Surgery

5

2024

Evaluation of mediastinoscopy for cranial mediastinal and tracheobronchial lymphadenectomy in canine cadavers

2024-5-VS-gibson-3

Article Title: Evaluation of mediastinoscopy for cranial mediastinal and tracheobronchial lymphadenectomy in canine cadavers

Journal: Veterinary Surgery

In Horwood 2024 et al., on complications in luxoid hip dysplasia, what proportion of LH dogs had satisfactory outcomes following revision of major complications?

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Correct. 17 out of 18 LH dogs had satisfactory outcomes post-revision.
Incorrect. The correct answer is 94%.
17 out of 18 LH dogs had satisfactory outcomes post-revision.

🔍 Key Findings

  • Luxoid hip dysplasia (LH) was present in 8% of THA cases and significantly increased risk of major complications (p < .001).
  • Intraoperative fissures/fractures were 3x more likely in LH dogs vs non-LH (39% vs 16%, p = .001).
  • Dorsal luxation was more frequent in LH dogs (28% vs 4%, p = .019).
  • Acetabular cup placement with ALO >35° was associated with luxation in LH dogs.
  • Morphologic abnormalities (e.g., femoral valgus, lateralization/medialization of cortices) were common in LH and may complicate implantation.
  • Despite higher risk, 94% of LH dogs achieved satisfactory outcomes after appropriate revisions.
  • Younger age and lighter weight characterized LH dogs (mean age 14.7 months vs 40.9 months, p < .001).
  • All LH dogs were treated with cementless stems; prophylactic cerclage was rarely used.

Horwood

Veterinary Surgery

4

2024

Complications and outcomes of total hip arthroplasty in dogs with luxoid hip dysplasia: 18 cases (2010–2022)

2024-4-VS-horwood-5

Article Title: Complications and outcomes of total hip arthroplasty in dogs with luxoid hip dysplasia: 18 cases (2010–2022)

Journal: Veterinary Surgery

In Otero Balda 2025 et al., on Short-term outcomes after feline cPSS surgery, which clinical variable was associated with the **lowest** odds of 30-day survival?

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Correct. Propofol use was a negative prognostic factor (OR 0.112, p = .0008), likely reflecting more severe disease.
Incorrect. The correct answer is Treatment with propofol.
Propofol use was a negative prognostic factor (OR 0.112, p = .0008), likely reflecting more severe disease.

🔍 Key Findings

  • 78% of cats that developed postattenuation neurologic signs (PANS) after congenital portosystemic shunt (cPSS) surgery survived to 30 days.
  • Postattenuation seizures (PAS) were associated with significantly decreased 30-day survival (50% vs. 78%; OR: 0.015, p = .005).
  • Treatment of PANS with propofol was a negative prognostic factor (OR: 0.112, p = .0008).
  • Generalized PAS accounted for most seizure cases and were more frequently fatal than focal or unknown-type seizures.
  • Pretreatment with levetiracetam (LEV1 protocol) showed a trend toward improved survival (100% vs. 60.6% in untreated cats), though not statistically significant (p = .06).
  • Shunt morphology, method of attenuation, and study period (early vs. late) were not significantly associated with 30-day survival.
  • Electrolyte, glucose, and ammonia abnormalities were not strongly linked to survival outcomes in this study.
  • Majority of PAS-related deaths were due to uncontrolled generalized seizures or euthanasia because of severity.

Otero Balda

Veterinary Surgery

5

2025

Prognostic factors for short‐term survival of cats that experienced postattenuation neurologic signs after surgical attenuation of single congenital portosystemic shunts

2025-5-VS-otero-2

Article Title: Prognostic factors for short‐term survival of cats that experienced postattenuation neurologic signs after surgical attenuation of single congenital portosystemic shunts

Journal: Veterinary Surgery

In Story 2024 et al., on eTPA osteotomy comparison, which technique achieved the **lowest mean postoperative TPA**?

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Correct. Group C (mCCWO) had the lowest mean post-correction TPA at 4.76°, although it under-corrected relative to its target of 0°.
Incorrect. The correct answer is modified CCWO (mCCWO).
Group C (mCCWO) had the lowest mean post-correction TPA at 4.76°, although it under-corrected relative to its target of 0°.

🔍 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-3

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

Journal: Veterinary Surgery

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