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In Davies 2024 et al., on lymphaticovenous anastomosis, which technique confirmed postoperative anastomotic patency in most cadavers?

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Correct. Contrast injected into mesenteric lymph nodes confirmed flow through the TD-MAC-AV pathway.
Incorrect. The correct answer is Mesenteric contrast lymphography.
Contrast injected into mesenteric lymph nodes confirmed flow through the TD-MAC-AV pathway.

🔍 Key Findings

  • Lymphaticovenous anastomosis (TD to AV) was successfully performed in all 8 feline cadavers using a microvascular anastomotic coupler (MAC).
  • Anastomotic patency was confirmed intraoperatively and postoperatively in 7/8 cats via contrast lymphography or retrograde venography.
  • Dissection and anastomosis took a median of 120 minutes, with minimal technical complications.
  • A 1.5 mm MAC was used in 6 cats, and a 2.0 mm in 2 cats; TD diameter ranged 1.0–1.5 mm, AV up to 2.25 mm.
  • Challenges included vessel twisting and luminal patency issues, resolved intraoperatively with minor adjustments (e.g., repeat pinning, tacking suture).
  • MAC use eliminated need for hand-suturing, lowering skill demands but requiring precise alignment.
  • Technique provides direct lymphatic-to-venous drainage, potentially reducing the stimulus for collateral vessel formation.
  • May serve as a future treatment option for feline idiopathic chylothorax, warranting further in vivo studies.

Davies

Veterinary Surgery

7

2024

Lymphaticovenous anastomosis of the caudal thoracic duct to the azygous vein: A feline cadaver study

2024-7-VS-davies-4

Article Title: Lymphaticovenous anastomosis of the caudal thoracic duct to the azygous vein: A feline cadaver study

Journal: Veterinary Surgery

In Hawker 2025 et al., on locking head inserts, why might LHI fail to reduce strain in LCP Combi-holes?

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Correct. Because LHI only fill the locking portion of the Combi-hole, strain at the compression side remains unaffected.
Incorrect. The correct answer is They do not engage the compression side.
Because LHI only fill the locking portion of the Combi-hole, strain at the compression side remains unaffected.

🔍 Key Findings

  • Adding Locking Head Inserts (LHI) to a 3.5-mm LCP had no effect on plate strain, stiffness, or deformation in an open fracture gap model.
  • Peak strain consistently occurred at the Combi-hole over the fracture gap, with values up to ~1837 µε.
  • No significant difference in strain was found across configurations with 0, 3, or 9 LHI (p = 0.847).
  • Construct stiffness and compressive displacement also remained unchanged regardless of LHI count (p = 0.311 and 0.069 respectively).
  • Study contradicted the hypothesis that LHI would reduce strain and increase stiffness under biologic loading.
  • Combi-hole design may limit the efficacy of LHI, as LHI only fill the locking portion, not the compression side where strain peaks.
  • Implant fatigue risk remains highest over unfilled screw holes, especially over fracture sites—confirming previous failure patterns.
  • Surgeons should consider alternative methods to reduce strain when facing high implant load scenarios.

Hawker

Veterinary and Comparative Orthopaedics and Traumatology

4

2025

The Effect of Locking Head Inserts on the Biomechanical Properties of a 3.5-mm Broad Locking Compression Plate When Used in an Open Fracture-Gap Model

2025-4-VCOT-hawker-4

Article Title: The Effect of Locking Head Inserts on the Biomechanical Properties of a 3.5-mm Broad Locking Compression Plate When Used in an Open Fracture-Gap Model

Journal: Veterinary and Comparative Orthopaedics and Traumatology

In Knudsen 2024 et al., on CTA diagnosis, what was the maximum reported sensitivity of multidetector CTA for detecting meniscal lesions?

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Correct. Sensitivity reached 100% in second readings by some observers.
Incorrect. The correct answer is 100%.
Sensitivity reached 100% in second readings by some observers.

🔍 Key Findings

  • Multidetector CTA had high sensitivity (up to 100%) and specificity (up to 96%) for detecting medial meniscal tears in dogs.
  • Observer experience significantly influenced diagnostic accuracy, with more experienced observers showing higher agreement and better performance.
  • Training effect was evident, as less experienced observers improved between first and second readings.
  • Positive likelihood ratios ≥4.6 and negative likelihood ratios ≤0.08 were observed, suggesting CTA is clinically useful for confirming or ruling out meniscal injury.
  • CTA allowed identification of full and partial thickness lesions, with good visualization in sagittal, transverse, and frontal reconstructions.
  • Approximately 90% of menisci were correctly classified in second readings.
  • No adverse reactions were noted from the contrast injection; sedation was used instead of general anesthesia.
  • CTA was less invasive and potentially more cost-effective compared to arthroscopy, especially in settings without MRI access.

Knudsen

Veterinary Surgery

8

2024

Diagnosis of medial meniscal lesions in the canine stifle using multidetector computed tomographic positive-contrast arthrography

2024-8-VS-knudsen-1

Article Title: Diagnosis of medial meniscal lesions in the canine stifle using multidetector computed tomographic positive-contrast arthrography

Journal: Veterinary Surgery

In de Moya 2023 et al., on FGPP of femoral capital physeal/neck fractures, which major complication was reported following FGPP?

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Correct. One dog developed an intra-articular pin, requiring revision and ultimately FHO.
Incorrect. The correct answer is Intra-articular pin placement.
One dog developed an intra-articular pin, requiring revision and ultimately FHO.

🔍 Key Findings

  • 11 dogs, 13 fractures (mostly Salter-Harris type I) were repaired with FGPP using Kirschner wires.
  • 10/13 fractures achieved satisfactory healing with good limb function at ~43 days median follow-up.
  • Major complications occurred in 5 dogs: intra-articular pin placement, implant migration (2), implant failure with nonunion, and malunion.
  • 2 dogs presenting >15 days post-injury with radiographic remodeling were poor candidates → higher risk of nonunion/malunion.
  • Preoperative displacement was mostly mild (10/13 fractures); these had better outcomes than chronic or severely displaced cases.
  • Median surgical time: 60 minutes (range 45–75), all performed percutaneously without conversion to open.
  • Elective pin removal was performed in 5 cases; migration occurred with both short and long cut wires.
  • Femoral neck resorption (“apple-coring”) was rare (2/10 healed cases) and thought to be less frequent than after ORIF due to reduced vascular disruption.

de Moya

Veterinary Surgery

7

2023

Closed reduction and fluoroscopic-guided percutaneous pinning of femoral capital physeal or neck fractures: Thirteen fractures in 11 dogs

2023-7-VS-demoya-4

Article Title: Closed reduction and fluoroscopic-guided percutaneous pinning of femoral capital physeal or neck fractures: Thirteen fractures in 11 dogs

Journal: Veterinary Surgery

In Sandoval 2024 et al., on lung lobectomy technique outcomes, what was the survival to discharge rate across all cases?

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Correct. A total of 82 out of 87 cases survived to discharge, reflecting a high short-term survival rate.
Incorrect. The correct answer is 94.3%.
A total of 82 out of 87 cases survived to discharge, reflecting a high short-term survival rate.

🔍 Key Findings

  • Intra- and postoperative complications occurred only in stapled lobectomies, but the difference was not statistically significant (intra: p = .069, post: p = .112).
  • Intraoperative hemorrhage was the most common complication (11.8%), followed by air leakage (2%).
  • All self-ligating loop (SLL) lobectomies had zero complications (n=18), though the sample was small.
  • Postoperative complications included 4 catastrophic events (cardiopulmonary arrest), all in stapled cases.
  • Lung lobectomy technique was not associated with duration of chest tube use, hospitalization, or survival (p > .05).
  • 94.3% of patients survived to discharge (82/87).
  • SLLs are lower-cost and may be more feasible for thoracoscopic/minimally invasive approaches due to smaller port size (5mm vs. 12mm for staplers).
  • A future superiority study would need ≥103 lobectomies per group to assess differences in complication rates.

Sandoval

Veterinary Surgery

7

2024

Short‐term outcomes of dogs and cats undergoing lung lobectomy using either a self-ligating loop or a thoracoabdominal stapler

2024-7-VS-sandoval-4

Article Title: Short‐term outcomes of dogs and cats undergoing lung lobectomy using either a self-ligating loop or a thoracoabdominal stapler

Journal: Veterinary Surgery

In Berthomé 2025 et al., on prophylactic fenestration in cervical IVDE, which statement best describes complication rates between PF and non-PF groups?

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Correct. There was no statistically significant difference in complication rates (p = .838).
Incorrect. The correct answer is Both groups had similar complication rates.
There was no statistically significant difference in complication rates (p = .838).

🔍 Key Findings

  • Prophylactic fenestration (PF) significantly reduced recurrence of cervical intervertebral disc extrusion (0% vs. 37.8%, p < .001).
  • Surgery time was longer with PF (median 182 vs. 110 min, p = .017), but no difference in perioperative complication rates (PF 16.7%, non-PF 18.9%; p = .838).
  • 25% overall recurrence rate, but all recurrences occurred in the non-PF group.
  • Medical management was effective in 92.9% of recurrence cases.
  • Most PF sites targeted adjacent discs; 88.9% were at adjacent levels, which are common recurrence sites.
  • Neurologic outcomes were similar between PF and non-PF dogs post-surgery and at follow-up.
  • Fenestration technique (blade vs. burr) not shown to affect outcome but contributed to extended surgical time.
  • No major complications or deaths linked directly to PF in initial surgeries.

Berthomé

Veterinary Surgery

6

2025

Recurrence of cervical intervertebral disc extrusion in 55 dogs after surgical decompression with or without prophylactic fenestration

2025-6-VS-berthome-4

Article Title: Recurrence of cervical intervertebral disc extrusion in 55 dogs after surgical decompression with or without prophylactic fenestration

Journal: Veterinary Surgery

In Redolfi 2024 et al., what implant configuration was most commonly used to stabilize the tibial tuberosity?

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Correct. 21/24 stifles had pin and tension band wire fixation of the tibial tuberosity
Incorrect. The correct answer is Pins and tension band wire.
21/24 stifles had pin and tension band wire fixation of the tibial tuberosity

🔍 Key Findings Summary

  • Study of 24 stifles in 22 dogs with concurrent CCLR and grade III–IV MPL treated via TPLO-TTT
  • Major complications: 4/24 (3 surgical site infections, 1 MPL reluxation); minor complications: 5/24
  • Long-term follow-up (median 27 months): 21/22 dogs sound, 23/24 stifles resolved
  • Patellar ligament thickening observed post-op in 4 cases, resolved with rehab
  • The only case of MPL reluxation involved untreated tibial torsion, suggesting case selection is critical

Redolfi

Veterinary and Comparative Orthopedics and Traumatology

1

2024

Complications and Long-Term Outcomes after Combined Tibial Plateau Leveling Osteotomy and Tibial Tuberosity Transposition for Treatment of Concurrent Cranial Cruciate Ligament Rupture and Grade III or IV Medial Patellar Luxation

2024-1-VCOT-redolfi-5

Article Title: Complications and Long-Term Outcomes after Combined Tibial Plateau Leveling Osteotomy and Tibial Tuberosity Transposition for Treatment of Concurrent Cranial Cruciate Ligament Rupture and Grade III or IV Medial Patellar Luxation

Journal: Veterinary and Comparative Orthopedics and Traumatology

In Schroeder 2022 et al., on fascial anatomy mapping, what surgical approach may be required for tumors near the 13th rib?

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Correct. The fascia near the 13th rib is thin and prone to tearing; subperiosteal elevation or rib removal is needed to preserve margins.
Incorrect. The correct answer is C. Subperiosteal elevation or partial rib ostectomy.
The fascia near the 13th rib is thin and prone to tearing; subperiosteal elevation or rib removal is needed to preserve margins.

🔍 Key Findings

  • Fascial planes in dogs were consistently classifiable into four surgical types:
  • Type I (discrete sheets), Type II (tightly adhered to thin muscle), Type III (tightly adhered to thick muscle), and Type IV (periosteum-associated).
  • Two junction types were identified: Type A (easily elevated) and Type B (higher risk of disruption).
  • Disruption-prone areas include the scapular spine (type IV fascia) and lateral thorax near the 13th rib, where rib resection may be needed to preserve margins.
  • The latissimus dorsi transition zones and fascial areas near the thoracic inlet and scapulohumeral joint were prone to fascial thinning or disruption.
  • Partial muscle resections or periosteal elevations may be required in areas with fragile fascia to maintain oncologic margins.
  • Dorsal spinous processes (T6–L6) showed type IV fascia; however, osteotomy may be needed in some dogs for clear margins.
  • Blended fascial transitions (e.g., rectus abdominis: type II cranially, type I caudally) necessitate intraoperative judgment on resection depth.
  • Cutaneous trunci may suffice as a deep margin for small, low-grade tumors in well-muscled dogs, but not reliably for high-grade or larger masses.

Schroeder

Veterinary Surgery

1

2022

Fascial plane mapping for superficial tumor resection in dogs. Part I: Neck and trunk

2022-1-VS-schroeder-3

Article Title: Fascial plane mapping for superficial tumor resection in dogs. Part I: Neck and trunk

Journal: Veterinary Surgery

In Anderson 2025 et al., on wound drain configurations, what was the rate of leakage observed across all wounds?

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Correct. Leakage occurred in 93.8% of wounds, mostly at entry sites for the drain system.
Incorrect. The correct answer is 93.8%.
Leakage occurred in 93.8% of wounds, mostly at entry sites for the drain system.

🔍 Key Findings

  • Study Design: Cadaveric model using four large-breed dogs with 10x10 cm full-thickness wounds at four locations (shoulder, thorax, flank, thigh).
  • Configurations Tested: Diagonal, opposite, parallel, and perpendicular placements of wound infusion catheter and JP drain.
  • Fluid Retrieval:
    • No significant difference by configuration (p = .92) or location (p = .32).
    • Perpendicular configuration had the highest mean retrieval (11.35 mL, 56.8% of instilled volume).
    • Flank location had the lowest retrieval (7.2 mL, 35.9%).
  • Surface Area Coverage:
    • Parallel configuration achieved the highest SA coverage (83.4% ± 11.6%, p < .01).
    • Perpendicular was lowest.
  • Leakage:
    • No difference in leakage between configurations (p = .74) or locations (p = .10).
    • Leakage commonly occurred at drain or catheter entry points (93.8% of wounds).
  • Conclusion: Parallel drain configuration optimized fluid dispersion. Infusion-retrieval systems may allow for topical therapy delivery in closed wounds.

Anderson

Veterinary Surgery

2

2025

Application and influence of four drain configurations on fluid dispersal and retrieval in a cadaveric canine wound infusion-retrieval system model

2025-2-VS-anderson2-3

Article Title: Application and influence of four drain configurations on fluid dispersal and retrieval in a cadaveric canine wound infusion-retrieval system model

Journal: Veterinary Surgery

In Saitoh 2025 et al., on CTS stabilization, what was the major complication observed?

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Correct. A single major complication occurred: breakage of the CTS.
Incorrect. The correct answer is CTS breakage.
A single major complication occurred: breakage of the CTS.

🔍 Key Findings

Study population: 12 dogs with medial or lateral tarsocrural joint instability (TCI), including 5 working farm dogs.
Procedure: Temporary immobilization using a calcaneotibial screw (CTS) combined with external coaptation (EC).
Stabilization techniques:

  • 3 dogs = primary ligamentous repair
  • 8 dogs = synthetic ligament reconstruction
  • 2 dogs = malleolar fracture repair

Follow-up: Median 31 months (range 4–66); 10 owners completed outcome survey.
Outcomes:

  • All 10 dogs had improved or resolved lameness.
  • All 5 farm dogs returned to work (most at full or substantial capacity).
  • Complication rate: 4 distinct events in 3 dogs (1 major = CTS breakage; 3 minor = bandage-related soft tissue injuries).

Conclusion: CTS + EC provided effective immobilization with low complication rate, and functional outcomes were favorable even in active dogs.

Saitoh

Veterinary Surgery

1

2025

Retrospective evaluation of postoperative joint immobilization using a temporary calcaneotibial screw for medial or lateral tarsocrural joint instability in dogs

2025-1-VS-saitoh-2

Article Title: Retrospective evaluation of postoperative joint immobilization using a temporary calcaneotibial screw for medial or lateral tarsocrural joint instability in dogs

Journal: Veterinary Surgery

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