Your Custom Quiz

In Parlier 2024 et al., on insufflation effects on portal pressure in dogs, what was the observed change in portal pressure at 14 mmHg insufflation?

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Correct. Portal pressure increased by 175% at 14 mmHg compared to baseline.
Incorrect. The correct answer is 175% increase.
Portal pressure increased by 175% at 14 mmHg compared to baseline.

🔍 Key Findings

  • Portal pressure increased proportionally with insufflation pressure: 38% at 6 mmHg, 95% at 10 mmHg, and 175% at 14 mmHg.
  • Exponential model: average increase of 7.45% per mmHg of insufflation pressure (CI: 4.7–10.2%).
  • No systemic hemodynamic adverse effects were observed; MAP remained >60 mmHg throughout.
  • Portal hypertension threshold (15 mmHg) predicted at ~6.4 mmHg insufflation pressure.
  • No statistical impact from patient weight, pressure-to-weight ratio, or order of insufflation rounds.
  • Measurement technique was feasible and safe, with only minor challenges (e.g., catheter kinking).
  • The study supports use of the lowest insufflation pressure needed for visualization to avoid portal hypertension.
  • Baseline portal pressures returned after desufflation, supporting comparison pre- and post-attenuation.

Parlier

Veterinary Surgery

4

2024

Prospective, randomized, clinical trial on the effects of laparoscopic insufflation pressures on portal pressures in dogs

2024-4-VS-parlier-3

Article Title: Prospective, randomized, clinical trial on the effects of laparoscopic insufflation pressures on portal pressures in dogs

Journal: Veterinary Surgery

In Eskelinen 2025 et al., on Plate–Pin fixation for MPL, what factor significantly increased the risk of complications?

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Correct. Surgical deviations increased complication odds 11.3-fold.
Incorrect. The correct answer is Surgical deviation.
Surgical deviations increased complication odds 11.3-fold.

🔍 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-2

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 Low 2025 et al., on gonadectomy and CrCLD, what was the overall pooled odds ratio (OR) for cranial cruciate ligament disease in gonadectomized female dogs compared to intact females?

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Correct. The meta-analysis reported a pooled OR of 2.29 (95% CI: 1.77–2.95) indicating a significantly increased risk of CrCLD in gonadectomized females.
Incorrect. The correct answer is 2.29 (95% CI: 1.77–2.95).
The meta-analysis reported a pooled OR of 2.29 (95% CI: 1.77–2.95) indicating a significantly increased risk of CrCLD in gonadectomized females.

🔍 Key Findings

Increased risk with gonadectomy:

  • Pooled OR for CrCLD:
    • Females: 2.29 (95% CI: 1.77–2.95)
    • Males: 2.12 (95% CI: 1.67–2.69)

Early gonadectomy (≤1 year) further increased risk:

  • OR vs >1 year:
    • Females: 3.39
    • Males: 3.13

Late gonadectomy (>1 year) had no significant difference vs intact dogs.

Breed-specific findings:

  • Female Labradors: No increased CrCLD risk from gonadectomy (OR = 1.19; 95% CI: 0.54–2.64)
  • Male Labradors: Increased risk persisted (OR = 2.13; 95% CI: 1.53–2.98)

Study type: Systematic review + meta-analysis of 24 observational studies (n = 1.85 million dogs)

Low

Veterinary Surgery

2

2025

The association between gonadectomy and timing of gonadectomy, and the risk of canine cranial cruciate ligament disease: A systematic review and meta-analysis

2025-2-VS-low-1

Article Title: The association between gonadectomy and timing of gonadectomy, and the risk of canine cranial cruciate ligament disease: A systematic review and meta-analysis

Journal: Veterinary Surgery

In Berger 2023 et al., on elbow COR estimation, why may it be challenging to match COR in diseased elbows with the normal contralateral joint?

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Correct. FMCP causes caudal displacement of COR and landmark changes, complicating surgical alignment.
Incorrect. The correct answer is Because FMCP alters bone landmarks and geometry.
FMCP causes caudal displacement of COR and landmark changes, complicating surgical alignment.

🔍 Key Findings

  • COR of elbows with FMCP was significantly more caudal compared to normal elbows, based on CT-derived geometry.
  • In normal elbows, 74% of medial and 93% of lateral axes exited cranial and distal to the epicondyles.
  • In FMCP elbows, 81% of medial and 70% of lateral axes exited caudal and distal to the epicondyles.
  • Different landmark combinations produced slightly different COR approximations, especially between humeral vs. radius/ulna-based axes.
  • The medial-lateral axis using trochlea and capitulum centers provided the most consistent COR approximation.
  • COR estimations based on diseased elbows may not match normal joint geometry, impacting implant alignment accuracy.
  • External epicondylar landmarks may be useful intraoperatively to estimate COR location, but variability limits precision.
  • Drill diameter size may buffer small COR differences, but impact in advanced disease or bilateral cases remains unclear.

Berger

Veterinary Surgery

1

2023

The use of subchondral bone topography to approximate the center of rotation of the elbow joint in dogs

2023-1-VS-berger-4

Article Title: The use of subchondral bone topography to approximate the center of rotation of the elbow joint in dogs

Journal: Veterinary Surgery

In Welker 2024 et al., on thoracic duct anastomosis with MAC device, what complication was noted in two dogs postoperatively?

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Correct. Seromas were mild and resolved without major intervention.
Incorrect. The correct answer is Seroma formation.
Seromas were mild and resolved without major intervention.

🔍 Key Findings

  • Anastomosis of the thoracic duct (TD) to the intercostal vein (ICV) using a microvascular anastomotic coupler (MAC) was feasible in all 6 healthy dogs
  • Immediate postoperative patency was confirmed in all dogs, but only 4/6 had patent anastomoses at 30 days, with 2 failing due to ICV kinking
  • Kinking of the ICV near the azygos vein insertion was the primary failure mechanism, likely from MAC malalignment
  • No intraoperative or major postoperative complications occurred, though 2 dogs developed mild seromas
  • Use of the MAC device simplified microsurgical anastomosis versus hand suturing, especially in the deep thoracic cavity
  • Contrast lymphangiography showed faster clearance from the cisterna chyli postoperatively, suggesting effective flow redirection
  • Persistent branches of the thoracic duct may impact outcomes, and should be ligated during surgery
  • This technique may be a potential novel treatment for idiopathic chylothorax, improving outcomes by reducing collateral flow stimuli

Welker

Veterinary Surgery

7

2024

Anastomosis of the caudal thoracic duct and intercostal vein using a microvascular anastomotic coupler device: Experimental study in six dogs

2024-7-VS-welker-4

Article Title: Anastomosis of the caudal thoracic duct and intercostal vein using a microvascular anastomotic coupler device: Experimental study in six dogs

Journal: Veterinary Surgery

In Marshall 2022 et al., on delayed and non-union risk, what was the **strongest predictor** of delayed or non-union in canine fractures?

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Correct. Implant failure had an OR of 12.94 — the strongest risk factor identified.
Incorrect. The correct answer is Implant failure.
Implant failure had an OR of 12.94 — the strongest risk factor identified.

🔍 Key Findings

  • Delayed union occurred in 13.9% of fractures; non-union in 4.6%; mal-union in 0.7%
  • Major implant failure increased odds of delayed or non-union by 12.9×
  • Surgical site infection increased risk 3.2×; bone grafting (any type) was also associated (OR 3.3)
  • Comminuted fractures had 4.2× greater odds of delayed or non-union
  • Older age increased risk, with odds increasing by 21% per year
  • Radius and ulna fractures in toy breeds were not high risk, contrary to historical belief
  • Most non-unions required revision surgery with rhBMP-2 or autograft to achieve union
  • Ilium fractures showed 0% delayed/non-union — possibly due to robust muscle envelope

Marshall

Veterinary Surgery

7

2022

Delayed union, non-union and mal-union in 442 dogs

2022-7-VS-marshall-1

Article Title: Delayed union, non-union and mal-union in 442 dogs

Journal: Veterinary Surgery

In Allaith 2023 et al., on THR outcomes, which of the following was most commonly reported as a major complication?

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Correct. Luxation was the most commonly reported major complication in both veterinary surgeon and owner reports.
Incorrect. The correct answer is Luxation of the prosthetic joint.
Luxation was the most commonly reported major complication in both veterinary surgeon and owner reports.

🔍 Key Findings

From Allaith et al., 2023 – Outcomes from a multiuser canine hip replacement registry

  • 2375 total hip replacements were analyzed across 1852 dogs, making this the largest multiuser canine THR dataset to date.
  • Most common indications for THR were hip dysplasia (51%) and osteoarthritis (34%).
  • Implants used included Kyon (46%), BioMedtrix CFX (22%), Hybrid (11%), BFX (9%), and Helica (4.5%).
  • Veterinary-reported complication rate was 8.5%, while owner-reported was 23%, with moderate agreement (k=0.44).
  • Most common complications: Luxation, femoral fracture, and aseptic loosening.
  • BioMedtrix BFX and Helica implants had a higher risk of complications when used after femoral head and neck excision (P = .031).
  • Postoperative LOAD scores significantly improved vs preoperative (21 → 11; P < .0001), supporting improved mobility.
  • Owner satisfaction was high, with 88% rating outcome as very good or good.

Allaith

Veterinary Surgery

2

2023

Outcomes and complications reported from a multiuser canine hip replacement registry over a 10-year period

2023-2-VS-allaith-1

Article Title: Outcomes and complications reported from a multiuser canine hip replacement registry over a 10-year period

Journal: Veterinary Surgery

In Quitzan 2022 et al., on staple line configuration, which FEESA group had significantly higher ILP than both 2V/2T and 3V/2T groups?

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Correct. 3V/3T was significantly stronger (P < .001) in ILP than 2V/2T and 3V/2T groups.
Incorrect. The correct answer is 3V/3T.
3V/3T was significantly stronger (P < .001) in ILP than 2V/2T and 3V/2T groups.

🔍 Key Findings

  • All FEESA configurations leaked at lower pressures than intact segments, confirming reduced integrity vs. native tissue.
  • FEESA with 3-row transverse staples (3V/3T or 2V/3T) had significantly higher leak pressures than 2-row configurations.
  • 3V/3T configuration had the highest ILP (69.88 ± 21.23 mmHg) among all groups, significantly greater than 2V/2T and 3V/2T (P < .001).
  • Leakage consistently occurred at the transverse staple line (not vertical), regardless of configuration.
  • No significant difference in maximum intraluminal pressure (MIP) between FEESA groups.
  • All FEESA constructs withstood intraluminal pressures >25 mmHg, exceeding normal physiological jejunal pressure in dogs.
  • No leaks occurred from the vertical staple line, highlighting it as a more robust closure site.
  • Third staple row in transverse line may be a viable alternative to suture oversew, pending further clinical evaluation.

Quitzan

Veterinary Surgery

5

2022

Influence of staple line number and configuration on the leakage of small intestinal functional end-to-end stapled anastomosis: An ex vivo study

2022-5-VS-quitzan-3

Article Title: Influence of staple line number and configuration on the leakage of small intestinal functional end-to-end stapled anastomosis: An ex vivo study

Journal: Veterinary Surgery

In Nicetto 2024 et al., how much of the patellar craniocaudal thickness does the TRP extraosseous component aim to cover in the sagittal plane?

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Correct. TRP height was designed to cover 40% of the patellar thickness to optimize tracking.
Incorrect. The correct answer is 40%.
TRP height was designed to cover 40% of the patellar thickness to optimize tracking.

🔍 Key Findings Summary

  • 48 dogs (60 stifles) underwent custom 3D-printed TRP implantation for patellar luxation
  • 24 treated with TRP alone; 36 with additional procedures (e.g., DFO, TTT)
  • Success rate: 59/60 corrected patellar tracking
  • Functional outcome: 57/60 full function, 2 acceptable, 1 unacceptable
  • Complication rate: 3 total (2 minor, 1 major recurrence)
  • TRP spares cartilage unlike trochleoplasty, offering implant-based ridge augmentation
  • No implant loosening or infection observed

Nicetto

Veterinary and Comparative Orthopedics and Traumatology

2

2024

Trochlear Ridge Prostheses for Reshaping Femoral Trochlear Ridges in Dogs with Patellar Luxation

2024-2-VCOT-nicetto-4

Article Title: Trochlear Ridge Prostheses for Reshaping Femoral Trochlear Ridges in Dogs with Patellar Luxation

Journal: Veterinary and Comparative Orthopedics and Traumatology

In Niida 2024 et al., on surgical residents and TPLO time, what trend was seen across the 3 years of residency training?

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Correct. TPLO duration dropped after YR-1 but remained stable between YR-2 and YR-3.
Incorrect. The correct answer is Improvement plateaued after YR-1.
TPLO duration dropped after YR-1 but remained stable between YR-2 and YR-3.

🔍 Key Findings

  • Resident involvement significantly increased TPLO surgery duration compared to cases performed by faculty surgeons (FS)-only. Residents required 54% more surgery time (GLSM, 153 min) than FS-only cases (GLSM, 99 min), representing a 1.54-fold increase.
  • The study did not report on short-term complication rates. No conclusions can be drawn from this source regarding complications between resident and faculty groups.
  • Bone plate contouring was not evaluated. The source does not provide data regarding contouring frequency or its comparison between groups.
  • Surgery duration significantly decreased after the first year of residency, but remained stable between second- and third-year residents. This was largely due to shorter tibial osteotomy durations, while arthroscopy times remained unchanged across residency years.
  • Meniscal treatment was performed in 80% of cases, and it was associated with increased surgical duration, but the study did not compare the frequency of medial meniscal release between resident and faculty cases.
  • The study did not evaluate osteotomy healing or revision surgery. Cases requiring immediate reoperation were excluded.
  • Bone union outcomes were not assessed at 8 weeks or any other time point.
  • The study concludes that resident participation significantly prolongs surgical time, but no data are provided regarding the effect on short-term clinical outcomes.

Niida

Veterinary Surgery

5

2024

The impact of surgery resident training on the duration of tibial plateau leveling osteotomy and outcomes in dogs

2024-5-VS-niida-3

Article Title: The impact of surgery resident training on the duration of tibial plateau leveling osteotomy and outcomes in dogs

Journal: Veterinary Surgery

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