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In Mattioli 2025 et al., on lymphadenectomy complications, what was the most common postoperative complication observed?

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Correct. Seroma was the most frequently observed postoperative complication, occurring in 2.5% of cases.
Incorrect. The correct answer is Seroma.
Seroma was the most frequently observed postoperative complication, occurring in 2.5% of cases.

🔍 Key Findings

Sample: 201 lymphadenectomies in 163 dogs.
Intraoperative techniques:

  • Unassisted: 36%
  • Methylene blue (MB): 24%
  • Gamma probe + MB (γ-MB): 40%

Complication rate: 7.5% overall (93% uncomplicated)

  • 80% were mild, 20% moderate; no severe complications
  • Most common = seroma (2.5%), lymphoedema (1.5%)

Risk factors (via decision tree model):

  • Surgical time > 21.5 min
  • Lymph node site = mandibular or retropharyngeal

No significant difference in complication rate based on:

  • Guidance technique (p = .255)
  • LN palpability, number removed, or LN size

Clinical implication: Peripheral SLN excision is safe regardless of intraoperative technique; certain sites and durations carry slightly higher risk.

Mattioli

Veterinary Surgery

4

2025

Peripheral sentinel lymphadenectomy in 163 dogs: Postoperative surgical complications and comparison between intraoperative dissection techniques

2025-4-VS-mattioli-4

Article Title: Peripheral sentinel lymphadenectomy in 163 dogs: Postoperative surgical complications and comparison between intraoperative dissection techniques

Journal: Veterinary Surgery

In Boullenger 2025 et al., on traumatic patellar luxation, what percentage of cases experienced complete resolution of lameness by 2 months postoperatively?

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Correct. Ten of 13 animals had full lameness resolution by 2-month follow-up (76.9%).
Incorrect. The correct answer is 77%.
Ten of 13 animals had full lameness resolution by 2-month follow-up (76.9%).

🔍 Key Findings

  • Patients: 16 (11 dogs, 5 cats); 6.1% of canine and 23.8% of feline PL cases were traumatic.
  • Most common luxation direction: Medial (81.3%).
  • Surgery: All had capsular imbrication; 75% had fabello-patellar suture (FPS).
  • Short-term results (13/16 cases):
    • 77% had no lameness by 2 months.
    • 85% had no PL recurrence.
    • 3 severe complications: capsulorrhaphy tear, FPS fabellar tear, septic arthritis.
  • Long-term results (13/16 cases):
    • 85% lameness-free.
    • 77% full function; 23% acceptable.
    • 0 reluxations reported by owners.

Boullenger

Veterinary and Comparative Orthopedics and Traumatology

1

2025

Clinical Presentation, Surgical Treatment, and Outcome of Traumatic Patellar Luxation in 11 Dogs and 5 Cats: A Single-Centre Retrospective Study between 2011 and 2022

2025-1-VC-boullenger-1

Article Title: Clinical Presentation, Surgical Treatment, and Outcome of Traumatic Patellar Luxation in 11 Dogs and 5 Cats: A Single-Centre Retrospective Study between 2011 and 2022

Journal: Veterinary and Comparative Orthopedics and Traumatology

In Barnes 2024 et al., on knot strength testing, which of the following statements is true about unraveling?

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Correct. Unraveling occurred in SQ knots with 4 throws; DF knots did not unravel in any test.
Incorrect. The correct answer is SQ knots with 4 throws showed unraveling.
Unraveling occurred in SQ knots with 4 throws; DF knots did not unravel in any test.

🔍 Key Findings

  • Double forwarder (DF) knots had significantly higher knot holding capacity (KHC) than square (SQ) and surgeon’s (SU) knots when tied with <6 throws.
  • In 3 USP polyglactin 910, DF knots with 4–5 throws were not significantly stronger than SU knots with 6–8 throws (p > .43).
  • DF knots never unraveled, while SQ and SU knots with 4–5 throws showed substantial unraveling.
  • KHC did not increase in DF knots when throws increased from 3 to 5.
  • Knot volume and weight were significantly higher in DF knots than SQ/SU knots at the same throw count (p < .003).
  • DF knots allow sliding placement, potentially useful in minimally invasive or deep cavity procedures.

Barnes

Veterinary Surgery

2

2024

Evaluation of the in vitro performance of the double forwarder knot, compared to square and surgeon's knots using large gauge suture

2024-2-VS-barnes-2

Article Title: Evaluation of the in vitro performance of the double forwarder knot, compared to square and surgeon's knots using large gauge suture

Journal: Veterinary Surgery

In Holman 2024 et al., on canine shoulder arthroscopy, what was the main method used to mark the limits of visualization?

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Correct. Tattoo ink was injected arthroscopically to mark the visual limits for later dissection.
Incorrect. The correct answer is Ink injection into soft tissue.
Tattoo ink was injected arthroscopically to mark the visual limits for later dissection.

🔍 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-4

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

Journal: Veterinary and Comparative Orthopedics and Traumatology

In Meltzer 2022 et al., on femoral implant selection, what was the frequency of catastrophic complications in dogs undergoing THR?

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Correct. Only two cases (1.5%) were catastrophic, both related to implant-associated infection.
Incorrect. The correct answer is 1.5%.
Only two cases (1.5%) were catastrophic, both related to implant-associated infection.

🔍 Key Findings

  • Hybrid implants were used in older, heavier dogs with lower canal flare index (CFI) compared to cementless types.
  • CFI <1.8 was associated with higher risk of femoral fracture or stem subsidence with cementless implants.
  • Total complication rate was 14%, with catastrophic complications in only 1.5%—lower than reported in other studies.
  • No significant difference in complication rates across implant types (BFX, BFX-C, hybrid).
  • Femur fractures were rare (2.9%), lower than in prior studies, and successfully managed with cerclage/plate fixation.
  • Coxofemoral luxation was the most common complication (8 cases); all occurred within 62 days post-op, mostly resolved with revision.
  • Collared BFX stems did not significantly reduce complications, though they may limit stem subsidence.
  • An implant selection algorithm was proposed, using age ≥7 years, weight ≥45 kg, and CFI <1.8 to guide cemented vs. cementless stem use.

Meltzer

Veterinary Surgery

2

2022

Case factors for selection of femoral component type in canine hip arthroplasty using a modular system

2022-2-VS-meltzer-5

Article Title: Case factors for selection of femoral component type in canine hip arthroplasty using a modular system

Journal: Veterinary Surgery

In Nagahiro 2023 et al., on quadriceps-femoral mismatch, which variables were significantly associated with a decreased QML/FL in the final regression model?

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Correct. Multivariate regression revealed QML/FL decreased with increased femoral torsion angle (FTA) and aLDFA, but increased with age.
Incorrect. The correct answer is Age, FTA, aLDFA.
Multivariate regression revealed QML/FL decreased with increased femoral torsion angle (FTA) and aLDFA, but increased with age.

🔍 Key Findings

  • Quadriceps muscle length/femoral length ratio (QML/FL) was significantly lower in dogs with grade IV MPL than grades I–III (p ≤ .002).
  • Shortened QML was associated with increased femoral torsion angle (FTA) and increased aLDFA, indicating correlation with femoral deformity.
  • QML/FL increased with age, possibly due to muscular development or reduced deformity in older dogs (p = .004).
  • Grade IV MPL dogs had QML/FL < 0.87, the lower normal limit based on healthy beagles, suggesting clinically significant muscle shortening.
  • PLL/PL ratio (used to diagnose patella alta) was not associated with QML/FL or MPL severity in small breeds.
  • QML/FL can help preoperatively identify candidates for femoral shortening ostectomy, improving femoropatellar alignment.
  • Multivariate regression model confirmed QML/FL is independently influenced by age, FTA, and aLDFA (R² = 0.45).
  • CT-based 3D measurements enabled objective, noninvasive quantification of femoral and muscle alignment parameters.

Nagahiro

Veterinary Surgery

4

2023

Evaluation of the quadriceps muscle length to femoral length ratio in small breed dogs with medial patellar luxation

2023-4-VS-nagahiro-3

Article Title: Evaluation of the quadriceps muscle length to femoral length ratio in small breed dogs with medial patellar luxation

Journal: Veterinary Surgery

In Low 2024 et al., on TCS for HIF, what was the overall complication rate across all elbows?

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Correct. Total complication rate was 10 out of 57 elbows (17.5%) including minor and major complications:contentReference[oaicite:0]{index=0}
Incorrect. The correct answer is 17.5%.
Total complication rate was 10 out of 57 elbows (17.5%) including minor and major complications:contentReference[oaicite:0]{index=0}

🔍 Key Findings Summary

  • 47 dogs (57 elbows) underwent TCS placement for HIF
  • Overall complication rate = 17.5%
    • Minor: seromas (7 elbows)
    • Major: septic arthritis (3 elbows) — all resolved with antibiotics
  • No screw failures, medial epicondylar fractures, or catastrophic outcomes noted
  • Long-term follow-up in 41 dogs (50 elbows):
    • 90% full function, 10% acceptable function
    • Mean follow-up = ~2.5 years
  • Increased age was significantly protective (p = 0.0051; OR = 0.61)
  • TCS placement method (freehand, guide, aiming device) significantly impacted screw angulation but not complication rate
  • Outcome not affected by presence of complications

Low

Veterinary and Comparative Orthopedics and Traumatology

4

2024

Long-Term Outcome and Complications after Transcondylar Screw Placement for Canine Humeral Intracondylar Fissure

2024-4-VCOT-low-1

Article Title: Long-Term Outcome and Complications after Transcondylar Screw Placement for Canine Humeral Intracondylar Fissure

Journal: Veterinary and Comparative Orthopedics and Traumatology

In Miller 2024 et al., on staple vs. hand-sewn feline GI techniques, which construct had equivalent leak pressure to hand-sewn anastomosis but with significantly reduced completion time?

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Correct. SSA had similar leak resistance to HSA but took ~50% less time to complete.
Incorrect. The correct answer is Skin staple anastomosis (SSA).
SSA had similar leak resistance to HSA but took ~50% less time to complete.

🔍 Key Findings

  • Skin staple anastomosis (SSA) had comparable leak pressures to hand-sewn anastomosis (HSA) but required half the time to complete.
  • Skin staple enterotomy (SSE) had significantly lower leak pressures than hand-sewn enterotomy (HSE) and failed in 12/20 constructs during pressure testing.
  • HSE constructs took 8× longer to complete than SSE, but had much higher intraluminal pressure tolerance.
  • All SSE constructs leaked from the center, with 35% leaking immediately and 60% showing catastrophic failure.
  • SSA leakage occurred at the center in 40% of constructs, likely due to a learning curve in early samples.
  • All constructs had higher pressures than normal physiologic intestinal pressure (4.0 mmHg ±2.0), except some SSEs with immediate leaks.
  • Authors recommend SSA as a viable alternative with appropriate training but do not recommend SSE using the tested technique in live cats.
  • Staple size and placement technique are key factors; smaller or more precisely placed staples may reduce leak risk.

Miller

Veterinary Surgery

4

2024

Performance time and leak pressure of hand-sewn and skin staple intestinal anastomoses and enterotomies in cadaveric cats

2024-4-VS-miller-3

Article Title: Performance time and leak pressure of hand-sewn and skin staple intestinal anastomoses and enterotomies in cadaveric cats

Journal: Veterinary Surgery

In Gollnick 2024 et al., on TCTF risk with Arthrex STS in TPLO, what was the TCTF rate for STS screws placed distal to the osteotomy?

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Correct. 14% of STS screws placed distal to the osteotomy exhibited radiographic signs of TCTF.
Incorrect. The correct answer is 14%.
14% of STS screws placed distal to the osteotomy exhibited radiographic signs of TCTF.

🔍 Key Findings

  • 42% of dogs (33/78) treated with Arthrex 3.5 mm STS during TPLO developed radiographic TCTF
  • TCTFs occurred exclusively distal to the osteotomy
  • 14% of screws (36/250) distal to the osteotomy were associated with TCTFs
  • 6% of dogs with TCTFs developed major complications (e.g., complete tibial fracture requiring surgical revision)
  • Angulation of cortical STS screws, especially in the distal plate holes, was a key contributor to complications
  • Locking screws were also involved, but cortical screws angled improperly were overrepresented in serious outcomes
  • Revision recommendations included preemptive fixation for large TCTFs or angulated screw placements
  • Use of non-self-tapping screws (NSTS) previously showed a <1% TCTF rate, supporting higher risk with STS

Gollnick

Veterinary Surgery

6

2024

Tibial fracture associated with use of Arthrex self‐tapping screws during tibial plateau leveling osteotomy in dogs and development of transcortical tibial fracture

2024-6-VS-gollnick-4

Article Title: Tibial fracture associated with use of Arthrex self‐tapping screws during tibial plateau leveling osteotomy in dogs and development of transcortical tibial fracture

Journal: Veterinary Surgery

In Moore 2023 et al., on Divisional outcomes in canine liver mass resection, right divisional liver masses were significantly associated with which intraoperative issue?

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Correct. Right divisional masses had a higher rate of intraoperative complications, including hemorrhage and major vessel injury.
Incorrect. The correct answer is Hemorrhage and vessel injury.
Right divisional masses had a higher rate of intraoperative complications, including hemorrhage and major vessel injury.

🔍 Key Findings

  • Liver masses were most common in the left division (58%), followed by central (27%) and right (15%).
  • Right divisional masses were significantly associated with intraoperative complications (33% vs 5.6% left, p = .0037), particularly hemorrhage and injury to major vessels.
  • Mortality rate was 6.5% overall, with no significant association with liver lobe location.
  • Postoperative complications occurred in 28.7% of cases, but were not significantly associated with mass location.
  • Thoracic incision extension (sternotomy or diaphragmotomy) increased odds of postoperative complications by 9.1x (p < .001).
  • Use of TA stapler significantly reduced both intraoperative (OR 19x lower) and postoperative complications (OR 4.4x lower) vs other methods.
  • Specialist surgeons and heavier dogs had significantly fewer postoperative complications.
  • Right lobectomies often required thoracic extension, indirectly linking them to increased postoperative morbidity.

Moore

Veterinary Surgery

4

2023

Association between divisional location and short-term outcome of liver mass resection in 124 dogs

2023-4-VS-moore-2

Article Title: Association between divisional location and short-term outcome of liver mass resection in 124 dogs

Journal: Veterinary Surgery

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