Your Custom Quiz

In Scheuermann 2023 et al., on femoral MIPO alignment, which reduction system resulted in longer surgical times?

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Correct. FRS procedures were significantly longer than IMP (median 43 vs 29 min; P = .011).
Incorrect. The correct answer is Fracture Reduction System (FRS).
FRS procedures were significantly longer than IMP (median 43 vs 29 min; P = .011).

🔍 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-2-0341d

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 Alvarez-Sanchez 2023 et al., on SLN mapping in canine MCT, what was the histologic metastasis rate (HN2 or HN3) in excised lymph nodes?

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Correct. 27 of 41 excised lymph nodes were histologically metastatic, a high rate even though most tumors were low-to-intermediate grade.
Incorrect. The correct answer is 65.8%.
27 of 41 excised lymph nodes were histologically metastatic, a high rate even though most tumors were low-to-intermediate grade.

🔍 Key Findings

  • Combined ICTL and NIRF detected the same SLN in 80% of cases; each method alone missed sentinel lymph nodes in some dogs.
  • ICLT failed in 5% of dogs, while NIRF failed in 20%; combined use resulted in only 5% failure in SLN detection.
  • Metastatic lymph nodes were detected in 95% of dogs, despite most tumors being low or intermediate grade (95%).
  • 27 of 41 nodes (65.8%) were histologically metastatic (HN2 or HN3), many of which would have been missed using ALN alone.
  • ALN matched the SLN in only 45% of cases with ICTL and 30% with NIRF, supporting the need for SLN mapping.
  • ICLT and NIRF were complementary, often identifying different SLN, with some only fluorescent or enhanced in one modality.
  • Subcutaneous MCT had higher metastatic rates (7/8 dogs) than previously reported, challenging older assumptions about benign behavior.
  • Removing both ALN and SLN (from both methods) improved detection of metastasis to 85–95%, reducing risk of understaging.

Alvarez-Sanchez

Veterinary Surgery

3

2023

Comparison of indirect computed tomographic lymphography and near-infrared fluorescence sentinel lymph node mapping for integumentary canine mast cell tumors

2023-3-VS-alvarez-sanchez-4

Article Title: Comparison of indirect computed tomographic lymphography and near-infrared fluorescence sentinel lymph node mapping for integumentary canine mast cell tumors

Journal: Veterinary Surgery

In Winston 2023 et al., on LES-AS surgery outcomes, which preoperative treatment was discontinued postoperatively in all dogs?

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Correct. Oral sildenafil was stopped after surgery, supporting the idea that surgical treatment alone was effective in maintaining clinical improvement.
Incorrect. The correct answer is Sildenafil.
Oral sildenafil was stopped after surgery, supporting the idea that surgical treatment alone was effective in maintaining clinical improvement.

🔍 Key Findings

  • Modified Heller myotomy with Dor fundoplication improved vomiting/regurgitation scores by 180%, QoL by 100%, and owner-perceived body weight by 63% (P < .05).
  • 6 of 9 dogs with postoperative VFSS showed objective improvement in gastric filling scores; others remained stable.
  • Oral sildenafil was discontinued postoperatively in all dogs, indicating surgical success comparable to medical management.
  • 12 of 13 dogs survived to discharge; one dog was euthanized due to aspiration pneumonia postoperatively.
  • 50% of dogs experienced gastrostomy tube complications, higher than reported in previous literature.
  • Most complications were gastrostomy-tube related, with some requiring surgical correction (e.g., tube migration, leakage).
  • Feeding strategies (Bailey chair, elevated bowls) and food consistency (gruel/liquid) remained essential postoperatively to control regurgitation.
  • 9 of 11 owners would opt for the surgery again; those who wouldn’t cited risk or lack of efficacy.

Winston

Veterinary Surgery

2

2023

Management and outcomes of 13 dogs treated with a modified Heller myotomy and Dor fundoplication for lower esophageal sphincter achalasia-like syndrome

2023-2-VS-winston-4

Article Title: Management and outcomes of 13 dogs treated with a modified Heller myotomy and Dor fundoplication for lower esophageal sphincter achalasia-like syndrome

Journal: Veterinary Surgery

In Dobberstein 2024 et al., on liver biopsy forceps, which biopsy technique caused the most tissue crush artifact?

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Correct. The TP technique caused significantly greater tissue crush than twist alone (p = .01).
Incorrect. The correct answer is Twist + Pull.
The TP technique caused significantly greater tissue crush than twist alone (p = .01).

🔍 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-1

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

Journal: Veterinary Surgery

In Karydas 2025 et al., on follow-up radiography, which factor had the highest odds ratio for triggering a postoperative plan change?

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Correct. Radiographic abnormalities had an OR of 51.9, but were never sole triggers for plan changes.
Incorrect. The correct answer is Radiographic abnormalities.
Radiographic abnormalities had an OR of 51.9, but were never sole triggers for plan changes.

🔍 Key Findings

139 immature dogs with humeral condylar fractures (HCF) reviewed retrospectively.
Postoperative plan changed in 17% (23/139) of cases.
Key risk factors for plan change:

  • Owner concerns (OR: 7.6)
  • Analgesic use at follow-up (OR: 7.9)
  • Lameness (OR: 5.9)
  • Abnormal clinical exam (OR: 44.8)
  • Radiographic abnormalities (OR: 51.9)

No plan changes were based solely on radiographs when clinical signs were absent.
Supracondylar K-wire migration noted in 3.5% of dogs without affecting the clinical plan.
Authors conclude that routine follow-up radiographs offer limited value without concurrent clinical indicators.

Karydas

Veterinary Surgery

2

2025

Impact of postoperative radiography on the management of humeral condylar fractures in immature dogs

2025-2-VS-karydas-2

Article Title: Impact of postoperative radiography on the management of humeral condylar fractures in immature dogs

Journal: Veterinary Surgery

In Planchamp 2022 et al., on imaging-based AAI diagnosis, what was the cutoff value of the VCI in dogs imaged in flexion?

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Correct. VCI ≥0.20 in flexion yielded 100% sensitivity and 96.67% specificity for diagnosing AAI.
Incorrect. The correct answer is ≥0.20.
VCI ≥0.20 in flexion yielded 100% sensitivity and 96.67% specificity for diagnosing AAI.

🔍 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-2

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 Mazdarani 2025 et al., on simulated muscle loading, what was the clinical significance of using hip mobility in limb press models?

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Correct. Hip mobility improved the physiologic realism of simulated quadriceps forces.
Incorrect. The correct answer is It allowed force ratios closer to in vivo values.
Hip mobility improved the physiologic realism of simulated quadriceps forces.

🔍 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-5

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

Journal: Veterinary Surgery

In Duffy 2022 et al., on barbed suture oversew, which repair method demonstrated the **shortest completion time** during oversew of the transverse staple line?

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Correct. Barbed suture repairs were ~18% faster than monofilament; unidirectional suture had the shortest average time.
Incorrect. The correct answer is FEESA with unidirectional barbed suture oversew.
Barbed suture repairs were ~18% faster than monofilament; unidirectional suture had the shortest average time.

🔍 Key Findings

  • Oversewing the transverse staple line using barbed suture showed no difference in initial (ILP) or maximum leakage pressure (MLP) compared to monofilament suture (p = .439 and .644).
  • Barbed suture repairs were ~18% faster (25 seconds faster; p < .001) than monofilament suture.
  • No difference was found between unidirectional and bidirectional barbed sutures in leakage resistance or repair time (p = .697).
  • Mean ILP and MLP were significantly higher in control jejunal segments (6.6x and 5.1x greater respectively; p < .001).
  • Leakage consistently occurred at the crotch of the FEESA in all oversew groups (>80%), not the staple line.
  • All oversewn techniques leaked at supraphysiologic pressures, indicating clinical safety against in vivo leakage.
  • No leakage was observed from barbed suture holes, addressing concerns of tissue trauma due to barb design.
  • The study supports barbed suture as a viable alternative to conventional monofilament suture for FEESA oversew in dogs.

Duffy

Veterinary Surgery

5

2022

Influence of barbed suture oversew of the transverse staple line during functional end-to-end stapled anastomosis in a canine jejunal enterectomy model

2022-5-VS-duffy-1

Article Title: Influence of barbed suture oversew of the transverse staple line during functional end-to-end stapled anastomosis in a canine jejunal enterectomy model

Journal: Veterinary Surgery

In Dickerson 2023 et al., on surgical outcomes in hepatic abscessation, what was the reported in-hospital mortality rate?

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Correct. 8 of 38 dogs died before discharge, corresponding to a 21% mortality rate.
Incorrect. The correct answer is 21%.
8 of 38 dogs died before discharge, corresponding to a 21% mortality rate.

🔍 Key Findings

  • Liver lobectomy was the most common treatment (27/36 dogs), with multiple lobes removed in ~1/3 of cases.
  • Septic peritonitis was present in 21/23 sampled dogs, making it a frequent complication.
  • Perioperative complications occurred in 21/36 dogs, including aspiration pneumonia, pancreatitis, and acute kidney injury.
  • Intraoperative hypotension was common (32/36), often requiring vasopressors or colloids.
  • Mortality prior to discharge was 21% (8/38), with deaths related to sepsis, aspiration pneumonia, and multi-organ dysfunction.
  • Median survival time was 638 days in dogs surviving to discharge.
  • No recurrence of hepatic abscessation was observed in the surviving population.
  • E. coli and Clostridium spp. were the most commonly cultured organisms, often as single-agent infections.

Dickerson

Veterinary Surgery

1

2023

Outcome in 38 dogs surgically treated for hepatic abscessation

2023-1-VS-dickerson-3

Article Title: Outcome in 38 dogs surgically treated for hepatic abscessation

Journal: Veterinary Surgery

In Monti 2025 et al., on lymph node fluorescence imaging, what was the most common intraoperative complication encountered during NIRF-ICG guided laparoscopic ISLN excision?

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Correct. Capsular rupture with ICG dye dispersion was reported in one of the two dogs requiring conversion to open surgery.
Incorrect. The correct answer is Capsular disruption with dye leakage.
Capsular rupture with ICG dye dispersion was reported in one of the two dogs requiring conversion to open surgery.

🔍 Key Findings

  • Laparoscopic ISLN removal using NIRF-ICG was feasible in 89% of dogs (16/18), demonstrating high procedural success with minimal invasiveness.
  • Median laparoscopic dissection time was only 12 minutes, suggesting efficiency of the NIRF-guided approach.
  • No postoperative complications were observed, and intraoperative complications occurred in only 2 dogs (11.1%), both requiring conversion to open surgery.
  • Metastatic disease was confirmed in 48% of patients (12/25 nodes), including cases where LNs appeared normal in size, highlighting the value of histologic evaluation.
  • NIRF-ICG enabled precise identification of small and mildly enlarged nodes, which are often missed during traditional imaging or palpation.
  • Fluorescent dye leakage following LN capsule rupture limited visibility and required surgical conversion, indicating a key limitation of the technique.
  • ICG signal was occasionally absent in metastatic LNs, likely due to lymphatic rerouting or obstruction, underscoring limitations in SLN identification.
  • The lateral approach allowed consistent access to ipsilateral MILN, IILN, and sacral LNs, though contralateral nodes were inaccessible with this method.

Monti

Veterinary Surgery

6

2025

Near‐infrared fluorescence‐guided minimally invasive surgery for iliosacral lymph node removal in 18 dogs (2023–2025)

2025-6-VS-monti-1

Article Title: Near‐infrared fluorescence‐guided minimally invasive surgery for iliosacral lymph node removal in 18 dogs (2023–2025)

Journal: Veterinary Surgery

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