Your Custom Quiz

In Lu 2025 et al., on SOP constructs, what was concluded about the **clinical significance** of the increased mediolateral stiffness with bending tees?

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Correct. The absolute difference in stiffness was small (2.08 N/mm), so the clinical impact remains unclear.
Incorrect. The correct answer is Uncertain, likely minimal impact.
The absolute difference in stiffness was small (2.08 N/mm), so the clinical impact remains unclear.

🔍 Key Findings

  • Bending tees significantly increased mediolateral bending stiffness, but not craniocaudal stiffness, in plate-bone constructs.
  • Mean mediolateral stiffness was 43.2 N/mm with tees vs. 41.1 N/mm without (p = 0.0042), though the absolute difference was small.
  • No significant differences were found in craniocaudal bending stiffness between constructs with or without tees (p = 0.89).
  • Plastic deformation occurred in all constructs; no screw pull-out or implant breakage was observed.
  • SOP nodes may resist compressive but not tensile deformation, suggesting variable mechanical contributions depending on loading direction.
  • Craniocaudal bending had greater stiffness than mediolateral due to higher area moment of inertia along the node diameter.
  • Clinical relevance of added stiffness from tees remains unclear, warranting further in vivo and cyclic testing.
  • This was the first study to directly test SOP constructs with/without tees over a fracture gap in multiple planes.

Lu

Veterinary and Comparative Orthopaedics and Traumatology

2

2025

Comparison of Bending Stiffness between String of Pearls Plate-Bone Substitute Constructs with and without Bending Tees in a Fracture Gap Model

2025-2-VCOT-lu-4

Article Title: Comparison of Bending Stiffness between String of Pearls Plate-Bone Substitute Constructs with and without Bending Tees in a Fracture Gap Model

Journal: Veterinary and Comparative Orthopaedics and Traumatology

In Dalton 2023 et al., on acetabular fracture repair, what was the median postoperative fracture gap reported in canine cadavers?

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Correct. The median postoperative fracture gap was consistently less than 2 mm in all cadaver specimens, demonstrating precise fracture reduction.
Incorrect. The correct answer is <2 mm.
The median postoperative fracture gap was consistently less than 2 mm in all cadaver specimens, demonstrating precise fracture reduction.

🔍 Key Findings

  • Minimally invasive repair of acetabular fractures using precontoured plates on 3D-printed models is feasible and technically reproducible in dogs.
  • All cadavers had fracture gaps <2 mm and step defects <1 mm, indicating accurate reduction.
  • Sciatic nerve injury was minimal or absent in all cases, supporting potential neuroprotection from indirect approaches.
  • Pelvic angulation was maintained <5°, confirming preservation of alignment post-reduction.
  • Surgical time averaged ~46 minutes in cadavers for both approaches and repair.
  • Clinical case showed good radiographic healing by 8 weeks and full union by 3 months, with early weight-bearing post-op.
  • Use of locking screws improved reduction fidelity, particularly across a broad plate span.
  • 3D printing accelerated surgical planning, though its necessity remains debated due to the availability and cost concerns.

Dalton

Veterinary Surgery

6

2023

Minimally invasive repair of acetabular fractures in dogs: Ex vivo feasibility study and case report

2023-6-VS-dalton-1

Article Title: Minimally invasive repair of acetabular fractures in dogs: Ex vivo feasibility study and case report

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 Latifi 2022 et al., on forelimb fascial mapping, why is complete fascial excision often not feasible in the manus region?

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Correct. Fascia in the manus is thin, adherent, and blends with joint structures, limiting clean dissection.
Incorrect. The correct answer is Fascial planes blend into ligaments and joint capsule.
Fascia in the manus is thin, adherent, and blends with joint structures, limiting clean dissection.

🔍 Key Findings

  • Fascia was present over most of the canine forelimb, but key areas like the elbow, carpus, and manus lacked robust fascial planes for wide resection.
  • Type I fascia (discrete sheet) was primarily found in the antebrachium, with type IV (periosteal) fascia located at the olecranon, scapular spine, and accessory carpal bone.
  • Distal antebrachial fascia was thin and adherent, often blending with carpal structures and lacking reliable surgical planes.
  • Partial tenectomy or joint capsule resection was often required for wide excision in the distal limb, especially over the triceps tendon and carpus.
  • Nerve transections (e.g., superficial radial or ulnar branches) were commonly needed to maintain fascial margins, though often with minimal functional loss due to overlapping innervation.
  • Digital and metacarpal pads lacked clear deep fascial borders, making digit amputation necessary for oncologic margins in distal tumors.
  • Dissections revealed fascial junctions as either Type A (easily separable) or Type B (risk of disruption), guiding resection plane selection.
  • Findings provide a surgical map to guide preoperative planning for superficial tumor excision on the forelimb.

Latifi

Veterinary Surgery

1

2022

Fascial plane mapping for superficial tumor resection in dogs. Part II: Forelimb

2022-1-VS-latifi-5

Article Title: Fascial plane mapping for superficial tumor resection in dogs. Part II: Forelimb

Journal: Veterinary Surgery

In Price 2024 et al., on left-sided TD ligation in dogs, how many clinical cases showed a single thoracic duct branch at the proposed surgical site?

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Correct. 10 of 13 clinical lymphangiograms showed a single branch at the fourth intercostal space.
Incorrect. The correct answer is 10 out of 13.
10 of 13 clinical lymphangiograms showed a single branch at the fourth intercostal space.

🔍 Key Findings

  • Left fourth intercostal thoracotomy allowed successful thoracic duct (TD) ligation in 9/10 canine cadavers.
  • 10/13 clinical cases had a single TD branch at the left fourth intercostal space, indicating lower anatomical complexity.
  • All TD branches at this site were lateral to the esophagus, simplifying surgical access.
  • Unilateral subphrenic pericardiectomy was successfully performed via the same incision in 10/10 cadavers.
  • Fewer TD branches at the fourth intercostal space than traditional caudal sites may reduce the risk of missed collaterals.
  • In contrast, traditional caudal TD ligation sites had up to 5 branches, requiring broader dissection.
  • No cadaver had right-sided TD branches, reducing surgical complexity at the studied location.
  • Contrast-confirmed ligation was effective in 90% (9/10) cadavers on CT imaging.

Price

Veterinary Surgery

3

2024

Evaluation of thoracic duct ligation and unilateral subphrenic pericardiectomy via a left fourth intercostal approach in normal canine cadavers

2024-3-VS-price-4

Article Title: Evaluation of thoracic duct ligation and unilateral subphrenic pericardiectomy via a left fourth intercostal approach in normal canine cadavers

Journal: Veterinary Surgery

In Fitzpatrick 2024 et al., on ESF for pelvic fractures in cats, what percentage of cases showed implant loosening on follow-up radiographs?

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Correct. Implant loosening was identified in 16/125 cases (13%) on radiographic follow-up.
Incorrect. The correct answer is 13%.
Implant loosening was identified in 16/125 cases (13%) on radiographic follow-up.

🔍 Key Findings

  • External skeletal fixation (ESF) was successfully applied to a variety of pelvic fracture types in cats, including sacroiliac luxations and ilial body fractures.
  • All fractures achieved radiographic union within 9 weeks, even in comminuted or complex configurations.
  • No intraoperative or long-term complications were reported during the study period.
  • Implant loosening was observed radiographically in 13% of cases, with 8% of pins found to be loose at frame removal.
  • ESF enabled indirect fracture reduction using components as handles, with a limited open approach minimizing soft tissue disruption.
  • No iatrogenic neurological deficits were observed, supporting safe pin placement near neurovascular structures, although some cats presented with pre-existing neurologic signs.
  • No cases required revision surgery, and all cats underwent stabilization solely with ESF as per study inclusion criteria.
  • Postoperative hospitalization ranged from 2 to 5 days, though no comparison to other fixation types was evaluated.

Fitzpatrick

Veterinary Surgery

7

2024

External skeletal fixation for the treatment of pelvic fractures in cats

2024-7-VS-fitzpatrick-2

Article Title: External skeletal fixation for the treatment of pelvic fractures in cats

Journal: Veterinary Surgery

In Price 2024 et al., on left-sided TD ligation in dogs, what percentage of cadavers showed successful thoracic duct ligation at the fourth intercostal space?

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Correct. Ligation success was confirmed via CT in 9 out of 10 cadavers.
Incorrect. The correct answer is 90%.
Ligation success was confirmed via CT in 9 out of 10 cadavers.

🔍 Key Findings

  • Left fourth intercostal thoracotomy allowed successful thoracic duct (TD) ligation in 9/10 canine cadavers.
  • 10/13 clinical cases had a single TD branch at the left fourth intercostal space, indicating lower anatomical complexity.
  • All TD branches at this site were lateral to the esophagus, simplifying surgical access.
  • Unilateral subphrenic pericardiectomy was successfully performed via the same incision in 10/10 cadavers.
  • Fewer TD branches at the fourth intercostal space than traditional caudal sites may reduce the risk of missed collaterals.
  • In contrast, traditional caudal TD ligation sites had up to 5 branches, requiring broader dissection.
  • No cadaver had right-sided TD branches, reducing surgical complexity at the studied location.
  • Contrast-confirmed ligation was effective in 90% (9/10) cadavers on CT imaging.

Price

Veterinary Surgery

3

2024

Evaluation of thoracic duct ligation and unilateral subphrenic pericardiectomy via a left fourth intercostal approach in normal canine cadavers

2024-3-VS-price-1

Article Title: Evaluation of thoracic duct ligation and unilateral subphrenic pericardiectomy via a left fourth intercostal approach in normal canine cadavers

Journal: Veterinary Surgery

In Mullen 2023 et al., on microvascular perfusion, which of the following statements best reflects the accuracy of subjective assessment of intestinal viability?

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Correct. Surgeon’s subjective assessment was shown to be unreliable, with no difference in microvascular density between subjectively viable and nonviable intestines.
Incorrect. The correct answer is It poorly predicted viability and often led to unnecessary resections.
Surgeon’s subjective assessment was shown to be unreliable, with no difference in microvascular density between subjectively viable and nonviable intestines.

🔍 Key Findings

  • Microvascular density at the site of foreign body obstruction was significantly lower in obstructed dogs compared to healthy controls.
  • PBR (perfused boundary region) was paradoxically lower in obstructed dogs, indicating that PBR may not reliably correlate with tissue viability in this context.
  • No significant difference in microvascular perfusion between subjectively viable vs nonviable intestines, suggesting subjective assessment is unreliable.
  • No difference in perfusion parameters between handsewn and stapled enterectomies, indicating both techniques preserve vascular health equally.
  • Stapled enterectomy using green TA staples is safe and did not impair intestinal perfusion at the anastomosis site.
  • SDF videomicroscopy is feasible intraoperatively and can differentiate healthy from diseased intestine in dogs.
  • Surgeons' subjective evaluations led to potentially unnecessary enterectomies, as microvascular parameters did not differ.
  • No cases of dehiscence or mortality, suggesting both surgical approaches are effective when applied properly.

Mullen

Veterinary Surgery

4

2023

A quantitative evaluation of the effect of foreign body obstruction and enterectomy technique on canine small intestinal microvascular health

2023-4-VS-mullen-4

Article Title: A quantitative evaluation of the effect of foreign body obstruction and enterectomy technique on canine small intestinal microvascular health

Journal: Veterinary Surgery

In Williams 2024 et al., on hemorrhage scoring, which semi-quantitative hemorrhage score was most associated with adrenaline use?

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Correct. Five dogs in Group A (adrenaline) were assigned Score 1, whereas none in Group NA were. This difference was statistically significant (p = .029).
Incorrect. The correct answer is Score 1 (virtually none).
Five dogs in Group A (adrenaline) were assigned Score 1, whereas none in Group NA were. This difference was statistically significant (p = .029).

🔍 Key Findings Summary

  • Design: Prospective, randomized, double-blinded controlled trial
  • Population: 32 brachycephalic dogs undergoing cut-and-sew sharp staphylectomy
  • Groups: Adrenaline + lidocaine (Group A) vs. Lidocaine only (Group NA)
  • Main Findings:
    • Total hemorrhage significantly lower in Group A (median 1.82 g) vs Group NA (7.95 g); p = .013
    • Normalized hemorrhage significantly lower in Group A; p = .021
    • Surgeon-assigned hemorrhage scores significantly lower in Group A; p = .029
    • No adverse effects (tachycardia, hypertension, arrhythmia, etc.) noted from adrenaline use
    • Breed effect: English Bulldogs bled more overall even after normalization
  • Clinical Implication: Adrenaline in nerve blocks reduces hemorrhage without added risk

Williams

Veterinary Surgery

1

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

2024-1-VS-williams-2

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 Brincin 2023 et al., on radiographic follow-up post-MPL surgery, which factor was MOST strongly associated with a change in postoperative plan after MPL surgery?

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Correct. The odds of a change in management were 32× higher when both clinical concerns and radiographic abnormalities were present.
Incorrect. The correct answer is Clinician concern plus radiographic abnormality.
The odds of a change in management were 32× higher when both clinical concerns and radiographic abnormalities were present.

🔍 Key Findings

  • Routine follow-up radiographs after MPL surgery influenced management in only 3% of asymptomatic cases.
  • Isolated radiographic abnormalities were rare (3.3%) and even less likely to alter treatment unless accompanied by clinical concerns.
  • Dogs with both radiographic changes and clinical/owner concerns had 32× higher odds of a management change (OR 32.16, P < .001).
  • Lameness, NSAID use, or prior unplanned visits significantly increased the odds of altered post-op plans.
  • Owner-reported concerns alone led to a change in only 1.6% of cases without corroborating clinical findings.
  • Radiographic follow-up was deemed unnecessary in dogs without owner concerns or abnormal physical findings.
  • Hands-on clinical exam remains critical, though video-based rechecks may aid triage in uncomplicated cases.
  • The study supports selective radiographic follow-up, reducing unnecessary imaging, stress, and clinician workload.

Brincin

Veterinary Surgery

3

2023

The value of routine radiographic follow up in the postoperative management of canine medial patellar luxation

2023-3-VS-brincin-2

Article Title: The value of routine radiographic follow up in the postoperative management of canine medial patellar luxation

Journal: Veterinary Surgery

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