Your Custom Quiz

In Huels 2025 et al., on second-generation screw cup THA, what was the observed rate of late aseptic loosening?

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Correct. No cases of late aseptic loosening were observed during a median 17.5-month follow-up.
Incorrect. The correct answer is None of the hips.
No cases of late aseptic loosening were observed during a median 17.5-month follow-up.

🔍 Key Findings

  • Total complication rate was 16.7%, with 5/30 hips experiencing major complications, mostly related to the femoral component.
  • Cup-associated complications were rare (3.3%), with only one case of acetabular cup luxation attributed to surgical technique rather than implant failure.
  • No cases of late aseptic loosening were observed during a median follow-up of 17.5 months.
  • Implant stability was attributed to the SCSL's porous, trabecular titanium surface, enhancing osseointegration.
  • Three femoral stem fractures occurred in a single dog, leading to implant removal; material testing was not performed.
  • Most complications were femoral in origin (6/7), not acetabular, suggesting improved performance of the SCSL.
  • Explantation rate was 13% (4/30), but some removals were due to owner preference against revision.
  • Subjective functional outcome was full recovery in 26/30 hips, including one with successful revision of stem subsidence.

Huels

Veterinary and Comparative Orthopaedics and Traumatology

2

2025

Complications and Long-Term Outcome in 30 Canine Total Hip Arthroplasties Using a Second-Generation Selective Laser Melted Screw Cup

2025-2-VCOT-huels-1

Article Title: Complications and Long-Term Outcome in 30 Canine Total Hip Arthroplasties Using a Second-Generation Selective Laser Melted Screw Cup

Journal: Veterinary and Comparative Orthopaedics and Traumatology

In Hildebrandt 2023 et al., on Buccal Transposition Flap for Maxillary Lip Reconstruction in Dogs, what aspect of the buccal transposition flap allowed improved mobility compared to a rotation flap?

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Correct. Releasing this margin allowed tension-free repositioning and improved flap mobility.
Incorrect. The correct answer is Release of ventrocaudal commissure.
Releasing this margin allowed tension-free repositioning and improved flap mobility.

🔍 Key Findings

  • Buccal transposition flap provided successful closure of large maxillary lip defects in all 5 dogs
  • All flaps survived, with 3 dogs experiencing minor complications (e.g., fistulas, dehiscence) that resolved
  • Flap vascularization originated from the angularis oris and superior labial arteries, as confirmed via CT angiography
  • Excellent cosmetic and functional outcomes were achieved in all cases
  • Ex vivo cadaver study validated flap perfusion, showing consistent contrast filling of key arteries
  • Oronasal fistulas occurred in 2 dogs at the palatal incision site, likely due to contact with the mandibular canine tooth
  • Mandibular canine coronectomy was performed in 2/5 dogs to prevent flap trauma
  • Flap design and commissure positioning were customizable, aiding tension relief and improving outcomes

Hildebrandt

Veterinary Surgery

2

2023

Buccal transposition flap for closure of maxillary lip defects in 5 dogs

2023-2-VS-hildebrandt-4

Article Title: Buccal transposition flap for closure of maxillary lip defects in 5 dogs

Journal: Veterinary Surgery

In Adair 2023 et al., on PCCLm vs OC in dogs, what was the most statistically significant short-term benefit observed with PCCLm?

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Correct. Postoperative lower urinary tract signs were significantly less frequent in PCCLm dogs (13.0% vs 60.9%).
Incorrect. The correct answer is Lower rate of lower urinary tract signs.
Postoperative lower urinary tract signs were significantly less frequent in PCCLm dogs (13.0% vs 60.9%).

🔍 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

6

2023

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

2023-6-VS-adair-1

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

Journal: Veterinary Surgery

In Scheuermann 2024 et al., on 3D-printed reduction systems, what percentage of dogs in the 3D-MIPO group had near-anatomic or acceptable fracture reductions?

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Correct. All fractures in the 3D-MIPO group had near-anatomic or acceptable reduction, whereas the c-MIPO group had two unacceptable reductions.
Incorrect. The correct answer is 100%.
All fractures in the 3D-MIPO group had near-anatomic or acceptable reduction, whereas the c-MIPO group had two unacceptable reductions.

🔍 Key Findings

  • The study was a historic case-control trial comparing custom 3D-printed VSP-guided MIPO (3D-MIPO) to conventional MIPO (c-MIPO) in dogs with diaphyseal tibial fractures.
  • Surgical time was significantly shorter in the 3D-MIPO group (117 min vs. 151 min; p = .014), and fluoroscopy use was dramatically reduced (11 vs. 37 images; p < .001).
  • All 3D-MIPO reductions were acceptable or near-anatomic; 2 c-MIPO dogs had unacceptable reductions.
  • Tibial length, frontal, and sagittal alignment post-op were similar between groups; no significant difference in anatomic restoration (p > .1).
  • Radiographic union occurred in all dogs by 3 months. Time to union was similar between groups (3D-MIPO: 67 days vs. c-MIPO: 53 days; p = .207).
  • Postoperative complication rate was higher in 3D-MIPO (27% vs. 14%), including 2 major infections requiring implant removal.
  • 3D-MIPO required more pre-op time (~23 hours longer from presentation to surgery; p = .002), partly due to guide printing/sterilization.
  • Improved surgical efficiency and more consistent reductions were noted in the 3D-MIPO group, supporting its clinical utility despite increased pre-op logistics.

Scheuermann

Veterinary Surgery

6

2024

Virtual surgical planning and use of a 3D‐printed, patient‐specific reduction system for minimally invasive plate osteosynthesis of diaphyseal tibial fractures in dogs: A historic case control study

2024-6-VS-scheuermann2-3

Article Title: Virtual surgical planning and use of a 3D‐printed, patient‐specific reduction system for minimally invasive plate osteosynthesis of diaphyseal tibial fractures in dogs: A historic case control study

Journal: Veterinary Surgery

In Carvajal 2025 et al., on femoral stem breakage, what was the most common site of stem failure?

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Correct. All failures occurred at the proximolateral shoulder, consistent with high stress concentration and fatigue location.
Incorrect. The correct answer is Proximolateral shoulder.
All failures occurred at the proximolateral shoulder, consistent with high stress concentration and fatigue location.

🔍 Key Findings

Incidence of BFX lateral bolt stem breakage: 2.95% (13 dogs, 14 stems)

Implant factors:

  • 13/14 were BFX lateral bolt stems (sizes #5–7)
  • +9 necks used in 5/11 of 17 mm heads
  • 10/14 stems undersized based on radiographs
  • 10/13 dogs exceeded weight limits for implanted stem size

Malalignment:

  • 10/14 had varus alignment (median 3.9°)
  • 8/14 had insufficient proximodistal seating

Breakage site: Proximolateral shoulder in all cases

Revision outcomes:

  • 11 revised (7 CFX, 3 larger BFX, 1 collared)
  • 9/10 revised dogs regained full function
  • Complications: 1 rebreakage, 1 periprosthetic fracture, 1 fixation failure

Histopathology:

  • Electron microscopy showed fatigue striations and incomplete bead fusion

Conclusion: Avoid small BFX lateral bolt stems if undersized or if long necks required; use weight guidelines to prevent fatigue failure.

Carvajal

Veterinary Surgery

3

2025

Breakage of cementless press‐fit femoral stems following total hip arthroplasty in dogs: 14 cases (2013–2023)

2025-3-VS-carvajal-4

Article Title: Breakage of cementless press‐fit femoral stems following total hip arthroplasty in dogs: 14 cases (2013–2023)

Journal: Veterinary Surgery

In Miller 2024 et al., on SOP-LC mechanical testing, what torque value may help reduce clamp slippage during use?

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Correct. The study suggests that increasing torque from 2.5 to 3.0 Nm may improve clamp stability and reduce slippage.
Incorrect. The correct answer is 3.0 Nm.
The study suggests that increasing torque from 2.5 to 3.0 Nm may improve clamp stability and reduce slippage.

🔍 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-5

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 Dobberstein 2024 et al., on liver biopsy forceps, what was concluded about diagnostic suitability of 3 mm samples?

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Correct. The 3 mm samples were sufficient for histopathology, but diagnostic accuracy remains unknown.
Incorrect. The correct answer is Adequate but lower diagnostic accuracy.
The 3 mm samples were sufficient for histopathology, but diagnostic accuracy remains unknown.

🔍 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-5

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

Journal: Veterinary Surgery

In Swieton 2025 et al., on portocaval shunts, how many dogs were confirmed to have persistent shunting on imaging follow-up?

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Correct. 56% (9 of 16 dogs evaluated) had persistent shunting on follow-up CT or ultrasound imaging.
Incorrect. The correct answer is 9 of 16.
56% (9 of 16 dogs evaluated) had persistent shunting on follow-up CT or ultrasound imaging.

🔍 Key Findings

Study population: 21 dogs with portocaval extrahepatic portosystemic shunts (EHPSS)
Surgical approach: 67% (14/21) underwent ameroid constrictor placement
Perioperative complications: 4 dogs (19%), including seizures (n = 2), vomiting, and abdominal effusion
Perioperative mortality: 1 dog (5%)
Postoperative clinical outcome:

  • Good to excellent outcome: 81% (17/21)
  • Median follow-up: 6 months (range 3–43)

Persistence of shunting (CT or US): 56% (9/16 evaluated)
Dogs with persistent shunting: 67% still had good to excellent clinical outcome
Congenital portocaval shunts may have more favorable outcomes than previously reported

Swieton

Veterinary Surgery

2

2025

Outcome of 21 dogs treated for the portocaval subtype of extrahepatic portosystemic shunt

2025-2-VS-swieton-4

Article Title: Outcome of 21 dogs treated for the portocaval subtype of extrahepatic portosystemic shunt

Journal: Veterinary Surgery

In Monti 2025 et al., on lymph node fluorescence imaging, which lymph node group was most frequently identified and removed using NIRF-guided laparoscopic surgery?

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Correct. The medial iliac lymph nodes (MILNs) were the most commonly identified and excised fluorescent nodes.
Incorrect. The correct answer is Medial iliac lymph nodes.
The medial iliac lymph nodes (MILNs) were the most commonly identified and excised fluorescent nodes.

🔍 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-2

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

Journal: Veterinary Surgery

In Downey 2023 et al., on lung lobectomy for pulmonary consolidation, what was the most common reason for conversion from thoracoscopic to open approach?

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Correct. Pleural adhesions accounted for 3 of 4 conversions to open thoracotomy.
Incorrect. The correct answer is Pleural adhesions.
Pleural adhesions accounted for 3 of 4 conversions to open thoracotomy.

🔍 Key Findings

  • Thoracoscopic (TL) and thoracoscopic-assisted (TAL) lobectomy were performed in 12 dogs with non-neoplastic pulmonary consolidation.
  • 44% (4/9) of TL cases required conversion, most often due to pleural adhesions or poor visualization — a higher rate than for neoplastic lobectomies.
  • Surgical mortality was 8.3% (1/12 dogs), with death attributed to unaddressed BOAS, not surgical complications.
  • All 11 surviving dogs had no recurrence of clinical signs at a median 24-month follow-up.
  • Perioperative complications occurred in 58% (7/12): pneumothorax (2), hemorrhage (3), wound dehiscence (1), progressive pneumonia (1).
  • One-lung ventilation (OLV) was successful in 78% of TL dogs but may be harder to achieve in brachycephalic breeds.
  • Most dogs had infectious pneumonia (10/12), with bacterial causes identified in 8; fungal and viral etiologies were less common.
  • Hospitalization was short, with median stays of 3–4 days depending on approach and conversion status.

Downey

Veterinary Surgery

6

2023

Evaluation of long‐term outcome after lung lobectomy for canine non‐neoplastic pulmonary consolidation via thoracoscopic or thoracoscopic‐assisted surgery in 12 dogs

2023-6-VS-downey-1

Article Title: Evaluation of long‐term outcome after lung lobectomy for canine non‐neoplastic pulmonary consolidation via thoracoscopic or thoracoscopic‐assisted surgery in 12 dogs

Journal: Veterinary Surgery

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