Your Custom Quiz

In Schneider 2025 et al., on axillary LN extirpation, what percentage of removed axillary lymph nodes contained tumor-related pathology?

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Correct. This includes overt metastasis, early metastasis (HN2), and premetastatic disease (HN1) found on histopathology.
Incorrect. The correct answer is 56%.
This includes overt metastasis, early metastasis (HN2), and premetastatic disease (HN1) found on histopathology.

🔍 Key Findings

  • Lateral approach to ALN extirpation was successful in 100% of cases (44 dogs, 48 ALNs) with consistent anatomical landmarks (costochondral junction of rib 1 and caudal scapular edge).
  • Median time for ALN removal was 16.6 minutes, highlighting a fast and efficient dissection method.
  • No intraoperative complications were recorded (e.g., hemorrhage or inability to find the lymph node).
  • Postoperative complications occurred in 18% of cases, including seromas (n=2), wound dehiscence (n=4), lameness (n=1), and discomfort (n=1).
  • Histopathology revealed 56% of ALNs had tumor-related pathology, including overt metastases, early metastasis (HN2), or premetastatic changes (HN1).
  • Normal-sized ALNs (<2 cm) still harbored metastases in 22% of cases, emphasizing the unreliability of size as a staging criterion.
  • False negatives in cytology occurred in 4 cases, underlining the limitations of cytologic evaluation for staging.
  • The technique was reproducible without specialized tools, suggesting wide applicability in general and referral practice.

Schneider

Veterinary Surgery

6

2025

Axillary lymph node removal for staging cancer; description of a lateral approach and application in 44 tumor-bearing dogs

2025-6-VS-schneider-2

Article Title: Axillary lymph node removal for staging cancer; description of a lateral approach and application in 44 tumor-bearing dogs

Journal: Veterinary Surgery

In Israel 2022 et al., on cerclage wire in THR, which complication did occur postoperatively despite cerclage placement?

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Correct. Three dogs developed complications near the femoral stem tip, not in the region protected by cerclage.
Incorrect. The correct answer is Fissure/fracture near stem tip.
Three dogs developed complications near the femoral stem tip, not in the region protected by cerclage.

🔍 Key Findings

  • No proximal femoral fractures occurred in any of the 184 hips with cerclage wire placement
  • Cerclage wire was well tolerated, with no failures or complications related to the wire
  • Application of a single cerclage wire took <10 minutes, was cost-effective, and required minimal instrumentation
  • 3 postoperative complications (1 fissure, 2 fractures) occurred distal to the cerclage site, near the stem tip, requiring plate/screw fixation
  • All dogs returned to normal activity, and all owners were satisfied with the outcome
  • Cerclage placement location is critical—must be proximal to the lesser trochanter and close to the calcar to resist hoop strain
  • Biomechanical evidence supports that cerclage wires improve resistance to hoop strain and subsidence of cementless stems
  • Press-fit cementless stems may settle, but when supported by cerclage, this does not result in fractures even in undersized implants

Israel

Veterinary Surgery

2

2022

Outcome of canine cementless collared stem total hip replacement with proximal femoral periprosthetic cerclage application: 184 consecutive cases

2022-2-VS-israel-4

Article Title: Outcome of canine cementless collared stem total hip replacement with proximal femoral periprosthetic cerclage application: 184 consecutive cases

Journal: Veterinary Surgery

In Miller 2024 et al., on SOP-LC mechanical testing, which configuration improved initial torsional stiffness?

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Correct. Alternating clamps significantly improved torsional stiffness despite lower bending strength.
Incorrect. The correct answer is Alternating clamp placement.
Alternating clamps significantly improved torsional stiffness despite lower bending strength.

🔍 Key Findings Summary

  • No significant difference in mechanical properties between contoured vs non-contoured SOP-LC rods
  • Clamp configuration significantly influenced mechanical performance:
    • Single-side clamps → ↑ yield load, ↑ displacement, ↑ bending strength (p < 0.05)
    • Alternating-side clamps → ↑ initial torsional stiffness (p = 0.029)
  • Clamp slippage was evident only in torsional tests; screw loosening may be torque-dependent
  • Mild screw bending and construct offset suggest subtle instability
  • Recommends clamp configuration choice based on loading scenario
  • Suggests 3.0 Nm torque may be more effective than 2.5 Nm to prevent clamp slippage

Miller

Veterinary and Comparative Orthopedics and Traumatology

4

2024

Mechanical Testing of Sliding on Pivot-Locking Clamp (SOP-LC) Fracture Repair System in Four-Point Bending and Torsion

2024-4-VCOT-miller-3

Article Title: Mechanical Testing of Sliding on Pivot-Locking Clamp (SOP-LC) Fracture Repair System in Four-Point Bending and Torsion

Journal: Veterinary and Comparative Orthopedics and Traumatology

In Niida 2024 et al., on surgical residents and TPLO time, what data did the study provide on complication rates?

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Correct. The study specifically excluded outcomes data and focused on surgical time only.
Incorrect. The correct answer is Complication rates were not evaluated.
The study specifically excluded outcomes data and focused on surgical time only.

🔍 Key Findings

  • Resident involvement significantly increased TPLO surgery duration compared to cases performed by faculty surgeons (FS)-only. Residents required 54% more surgery time (GLSM, 153 min) than FS-only cases (GLSM, 99 min), representing a 1.54-fold increase.
  • The study did not report on short-term complication rates. No conclusions can be drawn from this source regarding complications between resident and faculty groups.
  • Bone plate contouring was not evaluated. The source does not provide data regarding contouring frequency or its comparison between groups.
  • Surgery duration significantly decreased after the first year of residency, but remained stable between second- and third-year residents. This was largely due to shorter tibial osteotomy durations, while arthroscopy times remained unchanged across residency years.
  • Meniscal treatment was performed in 80% of cases, and it was associated with increased surgical duration, but the study did not compare the frequency of medial meniscal release between resident and faculty cases.
  • The study did not evaluate osteotomy healing or revision surgery. Cases requiring immediate reoperation were excluded.
  • Bone union outcomes were not assessed at 8 weeks or any other time point.
  • The study concludes that resident participation significantly prolongs surgical time, but no data are provided regarding the effect on short-term clinical outcomes.

Niida

Veterinary Surgery

5

2024

The impact of surgery resident training on the duration of tibial plateau leveling osteotomy and outcomes in dogs

2024-5-VS-niida-4

Article Title: The impact of surgery resident training on the duration of tibial plateau leveling osteotomy and outcomes in dogs

Journal: Veterinary Surgery

In Brisimi 2022 et al., on tracheal anastomosis tension, where did failure most commonly occur?

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Correct. All constructs failed by tearing through the annular ligament near the dorsal ring.
Incorrect. The correct answer is Suture pullthrough at annular ligament.
All constructs failed by tearing through the annular ligament near the dorsal ring.

🔍 Key Findings

  • Tracheal anastomoses in immature dogs failed at significantly lower distraction forces (44.91 ± 59.03 N) than in adults (149.31 ± 45.36 N; _P_ = .007).
  • Immature tracheae tolerated significantly more elongation before failure (39.75 ± 5.45%) than adult tracheae (30.57 ± 7.19%; _P_ = .0012).
  • All constructs failed by suture tearing through the annular ligament, primarily near the dorsal tracheal ring.
  • Overlapping of tracheal ends was seen in 50% of specimens across both age groups, suggesting limitations in tissue apposition with the chosen technique.
  • Simple continuous pattern using 2-0 polypropylene was used; this pattern provides superior tensile strength compared to simple interrupted, but apposition may be suboptimal.
  • Tracheal elasticity in immature dogs may allow longer resections, but the lower tensile strength necessitates reinforcement.
  • Annular ligament-cartilage technique with 4-mm suture spacing showed variable results; smaller bites and nylon suture may improve outcomes.
  • Ex vivo setup using frozen-thawed tracheae is a limitation, but prior studies support comparability with fresh tissue.

Brisimi

Veterinary Surgery

5

2022

Influence of age on resistance to distraction after tracheal anastomoses in dogs: An ex vivo study

2022-5-VS-brisimi-3

Article Title: Influence of age on resistance to distraction after tracheal anastomoses in dogs: An ex vivo study

Journal: Veterinary Surgery

In Rodiño Tilve 2022 et al., on feline THR outcomes, which implant feature was associated with all luxation complications?

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Correct. All luxations occurred in implants using femoral neck +0 mm, though not all such implants luxated.
Incorrect. The correct answer is Femoral neck extension +0 mm.
All luxations occurred in implants using femoral neck +0 mm, though not all such implants luxated.

🔍 Key Findings

From “Long-term follow up of 44 cats undergoing total hip replacement” by Rodiño Tilve et al.

  • Slipped capital femoral epiphysis (SCFE) was the most common surgical indication (61%, 34/56 hips), primarily affecting young neutered male cats.
  • All THRs used cemented micro/nano BioMedtrix implants; most common femoral stem was size #3, and most common acetabular cup was 12 mm.
  • Postoperative complication rate was 19.6% (11/56) with 9 major complications (luxation most common), and no intraoperative complications reported.
  • All luxations occurred in hips implanted with femoral neck +0 mm length implants.
  • Second luxations were more common when revision used same implant size; use of larger implants reduced reluxation rates.
  • FMPI-sf score improved significantly from median 2.111 pre-op to 0.111 post-op (P < .001), indicating reduced pain and improved function.
  • Very high owner satisfaction: 91% (30/33) reported outcome as "very good."
  • No significant associations found between complications and variables like weight, sex, implant size, or surgical indication.

Rodiño Tilve

Veterinary Surgery

5

2022

Long‐term follow up of 44 cats undergoing total hip replacement: Cases from a feline hip registry (2010–2020)

2022-5-VS-rodino-3

Article Title: Long‐term follow up of 44 cats undergoing total hip replacement: Cases from a feline hip registry (2010–2020)

Journal: Veterinary Surgery

In Nash 2024 et al., on esophageal pH monitoring, what was the defined upper reference limit for distal GER events per hour in healthy nonbrachycephalic dogs?

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Correct. The study defined the upper reference limit for distal GER events per hour as 2.4 based on nonparametric analysis.
Incorrect. The correct answer is 2.4.
The study defined the upper reference limit for distal GER events per hour as 2.4 based on nonparametric analysis.

🔍 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-1

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

Journal: Veterinary Surgery

In Meltzer 2022 et al., on femoral implant selection, which statement best describes the complication rate among dogs undergoing total hip replacement?

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Correct. The study reported a 14% complication rate and no association between implant type and complication risk.
Incorrect. The correct answer is Total complication rate was 14% with no significant difference between implant types.
The study reported a 14% complication rate and no association between implant type and complication risk.

🔍 Key Findings

  • Hybrid implants were used in older, heavier dogs with lower canal flare index (CFI) compared to cementless types.
  • CFI <1.8 was associated with higher risk of femoral fracture or stem subsidence with cementless implants.
  • Total complication rate was 14%, with catastrophic complications in only 1.5%—lower than reported in other studies.
  • No significant difference in complication rates across implant types (BFX, BFX-C, hybrid).
  • Femur fractures were rare (2.9%), lower than in prior studies, and successfully managed with cerclage/plate fixation.
  • Coxofemoral luxation was the most common complication (8 cases); all occurred within 62 days post-op, mostly resolved with revision.
  • Collared BFX stems did not significantly reduce complications, though they may limit stem subsidence.
  • An implant selection algorithm was proposed, using age ≥7 years, weight ≥45 kg, and CFI <1.8 to guide cemented vs. cementless stem use.

Meltzer

Veterinary Surgery

2

2022

Case factors for selection of femoral component type in canine hip arthroplasty using a modular system

2022-2-VS-meltzer-2

Article Title: Case factors for selection of femoral component type in canine hip arthroplasty using a modular system

Journal: Veterinary Surgery

In Young 2023 et al., on minimally invasive parathyroidectomy, what was the short-term resolution rate of hypercalcemia following surgery?

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Correct. Short-term resolution of hypercalcemia occurred in 44 of 45 dogs (97.8%) following surgery.
Incorrect. The correct answer is 97.8%.
Short-term resolution of hypercalcemia occurred in 44 of 45 dogs (97.8%) following surgery.

🔍 Key Findings

  • Short-term resolution of hypercalcemia occurred in 97.8% (44/45) of dogs.
  • Long-term cure rate was 93.3%, comparable to traditional bilateral neck exploration.
  • Postoperative hypocalcemia was observed in only 15.6%, which is lower than traditional approaches (36–63.8%).
  • Permanent hypocalcemia occurred in 4.4%, requiring lifelong calcitriol supplementation.
  • Minimally invasive approach had median surgical times of 26 min (unilateral) and 45.5 min (bilateral).
  • Most lesions were adenomas (54.8%), followed by hyperplasia (27.4%) and carcinomas (3.2%).
  • Ultrasound identified 98.4% (61/62) of abnormal glands, supporting it as the preferred imaging modality.
  • One death due to non-compliance with calcitriol, emphasizing importance of postoperative management.

Young

Veterinary Surgery

1

2023

Surgical description and outcome of ultrasound‐guided minimally invasive parathyroidectomy in 50 dogs with primary hyperparathyroidism

2023-1-VS-young-2

Article Title: Surgical description and outcome of ultrasound‐guided minimally invasive parathyroidectomy in 50 dogs with primary hyperparathyroidism

Journal: Veterinary Surgery

In Renaud 2025 et al., on biliary peritonitis surgery, what total bilirubin threshold was associated with a 50% mortality rate?

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Correct. Total bilirubin > 60.5 µmol/L was associated with 50% mortality among dogs with biliary peritonitis.
Incorrect. The correct answer is 60.5 µmol/L.
Total bilirubin > 60.5 µmol/L was associated with 50% mortality among dogs with biliary peritonitis.

🔍 Key Findings

Mortality rate: 36% (12/33)
Cholecystectomy performed: 94% of dogs (31/33)
New significant prognostic factors for survival:

  • Hyperbilirubinemia (p = .049) — threshold = 60.5 μmol/L
  • Use of vasopressors (p = .002)
  • Renal dysfunction postoperatively (p = .008)
  • Number of postoperative complications (p = .005)

Multivariate model: Total bilirubin and number of complications best predicted survival
Septic vs nonseptic effusion: No significant difference in survival
Diagnostic imaging: Ultrasound sensitivity for extrahepatic biliary rupture = 38%
Most cultured pathogen: E. coli (80% of septic cases)

Renaud

Veterinary Surgery

2

2025

Clinical findings and prognostic factors for immediate survival in 33 dogs undergoing surgery for biliary peritonitis

2025-2-VS-renaud-2

Article Title: Clinical findings and prognostic factors for immediate survival in 33 dogs undergoing surgery for biliary peritonitis

Journal: Veterinary Surgery

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