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In Williams 2024 et al., on adrenaline use in maxillary nerve blocks, which of the following best describes the difference in surgeon-assessed hemorrhage scores between groups?

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Correct. Group A (adrenaline) had median score 2 vs. 3 in group NA; p = .029.
Incorrect. The correct answer is Adrenaline group had significantly lower scores.
Group A (adrenaline) had median score 2 vs. 3 in group NA; p = .029.

🔍 Key Findings

  • The addition of adrenaline (0.00198%) to bilateral maxillary nerve blocks significantly reduced intraoperative hemorrhage in dogs undergoing sharp staphylectomy (median reduction: 77.1%).
  • Normalized hemorrhage (g/kg) and total hemorrhage (g) were significantly lower in the adrenaline group (p = .021 and p = .013, respectively).
  • Surgeon-assessed hemorrhage scores were also significantly lower in the adrenaline group (median 2 vs. 3; p = .029), indicating improved surgical visibility.
  • No adverse effects (e.g. tachycardia, arrhythmia, or hypertension) were observed with adrenaline administration.
  • A standardized intraoral approach to the maxillary nerve block was used with 0.5 mL per side regardless of dog size.
  • Breed effect observed: English Bulldogs had higher normalized hemorrhage, possibly due to anatomical variation or underdosing relative to size.
  • Adrenaline may also prolong local anesthetic action and reduce blood aspiration risks, though this was not directly measured.
  • The study supports the routine inclusion of adrenaline in maxillary nerve blocks for staphylectomy in BOAS patients to improve surgical field and reduce bleeding.

Williams

Veterinary Surgery

8

2024

Evaluation of the addition of adrenaline in a bilateral maxillary nerve block to reduce hemorrhage in dogs undergoing sharp staphylectomy for brachycephalic obstructive airway syndrome. A prospective, randomized study

2024-8-VS-williams-3

Article Title: Evaluation of the addition of adrenaline in a bilateral maxillary nerve block to reduce hemorrhage in dogs undergoing sharp staphylectomy for brachycephalic obstructive airway syndrome. A prospective, randomized study

Journal: Veterinary Surgery

In Trefny 2025 et al., on plate length and stiffness, which biomechanical testing method was used to measure stiffness and strain?

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Correct. Four-point bending was applied in two planes to mimic relevant long bone loading.
Incorrect. The correct answer is 4-point bending in compression and tension.
Four-point bending was applied in two planes to mimic relevant long bone loading.

🔍 Key Findings

  • 12-hole LCPs (80% plate–bone ratio) showed significantly higher construct stiffness than 6-, 8-, or 10-hole plates in both compression and tension bending.
  • Strain on the plate was significantly lower in 12-hole vs 6-hole plates at all regions of interest (ROIs), especially around the fracture gap.
  • No incremental increases in stiffness or decreases in strain were observed between 6-, 8-, and 10-hole plates—only when comparing to 12-hole plates.
  • Bone model strain adjacent to the plate end was significantly lower for 10- and 12-hole plates vs 6-hole plates under both loading conditions.
  • The threshold effect suggests biomechanical benefits only emerge beyond a plate–bone ratio of ~80%.
  • Working length increased from 9.4 mm (6-hole) to 13 mm (others), potentially influencing strain/stiffness differences.
  • Four-point bending was used, as it replicates the most biomechanically relevant force on plated long bones.
  • Clinical implication: Longer plates may reduce plate strain and peri-implant bone strain, potentially lowering risk of fatigue failure or stress risers.

Trefny

Veterinary and Comparative Orthopaedics and Traumatology

2

2025

Effect of Plate Length on Construct Stiffness and Strain in a Synthetic Short-Fragment Fracture Gap Model Stabilized with a 3.5-mm Locking Compression Plate

2025-2-VCOT-trefny-4

Article Title: Effect of Plate Length on Construct Stiffness and Strain in a Synthetic Short-Fragment Fracture Gap Model Stabilized with a 3.5-mm Locking Compression Plate

Journal: Veterinary and Comparative Orthopaedics and Traumatology

In Weaver 2026 et al., on Endo GIA stapler outcomes, what proportion of lung lobectomies had no intraoperative complications?

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Correct. Most procedures were uncomplicated intraoperatively, with 38 of 46 lobectomies (82.6%) having no complications.
Incorrect. The correct answer is 82.6%.
Most procedures were uncomplicated intraoperatively, with 38 of 46 lobectomies (82.6%) having no complications.

🔍 Key Findings

  • Endo GIA staplers were successfully used in 46 lung lobectomies across 37 cases, including 33 dogs and 4 cats, representing the first in vivo clinical report of this stapler for open thoracic lung lobectomy.
  • Most procedures had no intraoperative complications (82.6%), while minor complications occurred in 17.4%, primarily mild hemorrhage or air leakage.
  • No major intraoperative complications were reported, and postoperative catastrophic events occurred in 4/37 cases (10.8%), likely related to underlying comorbidities rather than stapler failure.
  • Short-term outcomes were excellent, with 97% of cases completing 14-day follow-up without complications aside from one seroma.
  • Common indications for lung lobectomy included pulmonary masses, pulmonary bullae, abscess/granuloma, lung lobe torsion, trauma, and spontaneous pneumothorax.
  • Endo GIA staplers provide simultaneous stapling and cutting, with articulation and 360° axial rotation, improving maneuverability in confined thoracic cavities.
  • Tri-Staple technology deploys three staggered staple rows, which may improve sealing, reduce air leakage, and maintain tissue perfusion at the staple line.
  • Overall complication rates were low, supporting the Endo GIA stapler as a safe alternative to traditional TA staplers for open lung lobectomy procedures.

Weaver

Veterinary Surgery

2

2026

Use of the Endo GIA™ stapler for lung lobectomy in dogs and cats undergoing open thoracic procedures (intercostal, transdiaphragmatic thoracotomy or median sternotomy): A retrospective study of 46 lung lobectomies

2026-2-vs-weaver-1

Article Title: Use of the Endo GIA™ stapler for lung lobectomy in dogs and cats undergoing open thoracic procedures (intercostal, transdiaphragmatic thoracotomy or median sternotomy): A retrospective study of 46 lung lobectomies

Journal: Veterinary Surgery

In Eskelinen 2025 et al., on Plate–Pin fixation for MPL, what was the authors’ recommendation regarding the number of screws for TT fixation?

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Correct. In cases with screw breakage, only two screws were used; authors suggest at least three.
Incorrect. The correct answer is Three or more screws.
In cases with screw breakage, only two screws were used; authors suggest at least three.

🔍 Key Findings

  • Plate–Pin TTT fixation resolved MPL in 64/65 stifles with low recurrence (1.5%) and good lameness outcomes postoperatively.
  • Complication rate was 21.5% (14/65 stifles), mostly minor (57%); major issues included pin migration, fracture, or capsular failure.
  • Pin-related issues accounted for 8 of 20 total complications, highlighting implant refinement is needed.
  • No avulsions, TT fixation failures, or luxation recurrence occurred in cases where surgical technique was followed precisely.
  • Surgical deviations increased complication risk 11.3× (p < 0.05), suggesting adherence to protocol is critical.
  • Single-session bilateral MPL surgery had comparable complication rate (3/20) to unilateral surgery (11/45).
  • Screw breakage occurred in 3 cases, suggesting at least 3 screws may be needed for secure TT fixation.
  • Authors suggest temporary pin fixation and later removal may reduce complications, though prospective studies are needed.

Eskelinen

Veterinary and Comparative Orthopaedics and Traumatology

4

2025

Outcome and Complications Following Medial Patellar Luxation Corrective Surgery with Tibial Tuberosity Transposition Using a Locking Plate and a Pin Fixation: 45 Unilateral and 20 Single-Session Bilateral Procedures

2025-4-VCOT-eskelinen-5

Article Title: Outcome and Complications Following Medial Patellar Luxation Corrective Surgery with Tibial Tuberosity Transposition Using a Locking Plate and a Pin Fixation: 45 Unilateral and 20 Single-Session Bilateral Procedures

Journal: Veterinary and Comparative Orthopaedics and Traumatology

In Scott 2025 et al., on acetabular cup revision, what revision approach was used in all cases?

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Correct. In all 9 dogs, cups were revised to larger-diameter BFX cups for new osseointegration.
Incorrect. The correct answer is Cup replacement using a larger press-fit cup.
In all 9 dogs, cups were revised to larger-diameter BFX cups for new osseointegration.

🔍 Key Findings

Population: 9 dogs underwent revision of osteointegrated acetabular cups after total hip arthroplasty (THA)

Revision Indications:

  • 7 luxations (5 ventral, 2 craniodorsal)
  • 1 femoral stem fracture
  • 1 aseptic stem loosening

Implants:

  • 8 BFX cups, 1 Helica; all revised to BFX
  • 7/9 required a larger cup than original

Cup removal: Required sectioning with a high-speed burr and modular osteotome; removal fragments extracted

Complications:

  • 1 recurrent luxation
  • 1 low-grade infection with possible metallic debris-associated osteolysis
  • 2 femoral fissures managed intraoperatively

Outcomes:

  • Good to excellent function in 6/6 dogs available at median 621 days
  • Minimal complications with success in re-osteointegration of new cup

Clinical takeaway: Revision of stable, ingrown cups is feasible and offers an alternative to pelvic osteotomies; typically requires upsizing

Scott

Veterinary Surgery

3

2025

Revision of osteointegrated acetabular cup prostheses in nine dogs

2025-3-VS-scott-3

Article Title: Revision of osteointegrated acetabular cup prostheses in nine dogs

Journal: Veterinary Surgery

In Carwardine 2024 et al., on screw placement in HIF, a lower implant AMI/bodyweight ratio was associated with which outcome?

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Correct. AMI/bodyweight was significantly lower in dogs with major complications (p = .037).
Incorrect. The correct answer is Higher risk of major complication.
AMI/bodyweight was significantly lower in dogs with major complications (p = .037).

🔍 Key Findings

  • 73 elbows (52 dogs) underwent randomized medial or lateral transcondylar screw placement for HIF.
  • Lateral-to-medial placement resulted in a significantly higher rate of complications (62.2%) vs medial-to-lateral (19.4%) (p = .001).
  • Odds ratio for complications: 6.11 (95% CI: 2.13–17.52).
  • Most common complications: seromas (n = 13), surgical site infections (n = 16).
  • Implants with lower AMI/bodyweight were significantly associated with major complications (p = .037).
  • Only 4 procedures (5%) required revision surgery (major type I complications), with no difference by screw direction.
  • NNT = 2.3 for medial placement to prevent one complication.

Carwardine

Veterinary Surgery

2

2024

Medial versus lateral transcondylar screw placement for canine humeral intracondylar fissures: A randomized clinical trial

2024-2-VS-carwardine-4

Article Title: Medial versus lateral transcondylar screw placement for canine humeral intracondylar fissures: A randomized clinical trial

Journal: Veterinary Surgery

In Lederer 2025 et al., on MIPO vs ORPS, which fracture type was more common in dogs treated with MIPO?

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Correct. MIPO was used in 41% of comminuted fractures vs 16% in ORPS (p = .012).
Incorrect. The correct answer is Comminuted fractures.
MIPO was used in 41% of comminuted fractures vs 16% in ORPS (p = .012).

🔍 Key Findings

Study size: 105 dogs (73 ORPS; 32 MIPO)

MIPO vs ORPS differences:

  • Surgical time: MIPO median 130 min vs ORPS 85 min (p < .001)
  • Explant rate: MIPO 25% vs ORPS 4.1% (p = .003)
  • Time to clinical union: MIPO 85 days vs ORPS 57 days (p = .010)
  • Frontal alignment deviation: MIPO 3.5° vs ORPS 2.0° (p = .047)
  • Comminution more frequent in MIPO (41% vs 16%; p = .012)

Significant predictors for MIPO use: More proximal fracture margin (p = .004), surgeon identity (p < .001)

No significant difference: Sagittal alignment, radial length, union rate, or complication rate by surgeon

Implant preference: Fixin plates used in 84% of MIPO; locking plates more common in ORPS

Lederer

Veterinary Surgery

4

2025

Retrospective comparison of minimally invasive plate osteosynthesis and open reduction and plate stabilization of antebrachial fractures in 105 dogs (2017–2022)

2025-4-VS-lederer-2

Article Title: Retrospective comparison of minimally invasive plate osteosynthesis and open reduction and plate stabilization of antebrachial fractures in 105 dogs (2017–2022)

Journal: Veterinary Surgery

In Adams 2024 et al., on canine tibial plateau fractures, what minor complication was observed postoperatively in Case 2?

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Correct. Case 2 experienced implant yield at 2 weeks, leading to a 0.8 mm step defect on CT.
Incorrect. The correct answer is Screw and K-wire yield with step defect.
Case 2 experienced implant yield at 2 weeks, leading to a 0.8 mm step defect on CT.

🔍 Key Findings

  • Tibial plateau fractures (TPF) are rare in dogs, but can be surgically stabilized with good outcomes even in complex trauma cases.
  • Lateral TPFs (Unger type 41-B1) were approached via caudolateral arthrotomy, with elevation of the lateral meniscus for visualization and use of lag screws and K-wires for fixation.
  • Medial TPF (Unger type 41-B2) was addressed via medial parapatellar approach using K-wires and a figure-of-eight tension band.
  • One minor complication occurred: implant yield at 2 weeks in a case with a concurrent fibular fracture, resulting in a 0.8 mm step defect.
  • No major complications were recorded, and all dogs achieved clinical union with full function by 8–10 weeks.
  • Long-term owner-reported outcomes (LOAD scores) were excellent (5/52), indicating minimal osteoarthritis or chronic pain.
  • Concurrent fibular fractures may increase risk of implant failure and should influence implant selection (e.g., considering buttress plating).
  • Arthroscopic-assisted techniques may be applicable in select cases, but open reduction was preferred due to fragment displacement or concurrent injuries.

Adams

Veterinary Surgery

6

2024

Prospective evaluation of the surgical stabilization and outcome of canine tibial plateau fractures in three cases

2024-6-VS-adams-2

Article Title: Prospective evaluation of the surgical stabilization and outcome of canine tibial plateau fractures in three cases

Journal: Veterinary Surgery

In Horwood 2024 et al., on complications in luxoid hip dysplasia, which cup orientation angle was associated with increased risk of postoperative luxation?

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Correct. LH dogs that luxated postoperatively had a median ALO of 40°, significantly higher than non-luxated LH dogs (30°, p = .016).
Incorrect. The correct answer is 40°.
LH dogs that luxated postoperatively had a median ALO of 40°, significantly higher than non-luxated LH dogs (30°, p = .016).

🔍 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-2

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

Journal: Veterinary Surgery

In Holman 2024 et al., on lateral arthroscopy of the canine shoulder, what percentage of the medial glenohumeral ligament’s cranial border was visible?

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Correct. 58% of the cranial arm of the medial glenohumeral ligament was within view during standard arthroscopy.
Incorrect. The correct answer is 58%.
58% of the cranial arm of the medial glenohumeral ligament was within view during standard arthroscopy.

🔍 Key Findings

  • 48% of the intra-articular biceps tendon was visible at a standing angle; this increased to 63% in flexion (p = 0.0003).
  • 58% of the medial glenohumeral ligament's cranial border was within view.
  • 20% of the subscapularis tendon was visualized via the standard lateral arthroscopic approach.
  • Visibility was assessed using tattoo ink markers and confirmed via dissection in cadavers.
  • Limitations of standard lateral portals may lead to underdiagnosis of deeper or distal pathology in these structures.

Holman

Veterinary and Comparative Orthopedics and Traumatology

1

2024

Quantification of the Field of View for Standard Lateral Arthroscopy of the Canine Shoulder

2024-1-VCOT-holman-3

Article Title: Quantification of the Field of View for Standard Lateral Arthroscopy of the Canine Shoulder

Journal: Veterinary and Comparative Orthopedics and Traumatology

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