
Your Custom Quiz
In Scheuermann 2023 et al., on MIPO with 3D-printed bone models, what was the main advantage of using the fracture reduction system (FRS) compared to intramedullary pin (IMP) reduction?
🔍 Key Findings
- Precontoured plates based on 3D-printed femurs produced accurate femoral alignment (median deviations <3 mm or <3° in all planes).
- Both fracture reduction system (FRS) and intramedullary pin (IMP) methods achieved near-anatomic alignment in cadaveric femoral fractures.
- FRS required fewer fluoroscopic images (median 7 vs. 26, P = .001), but longer surgical time (median 43 vs. 29 min, P = .011).
- Sagittal plane alignment: FRS led to mild increased recurvatum (median 2.9°), but still within near-anatomic limits (<5°).
- Axial alignment: Both groups achieved near-anatomic torsion (<10°), though one IMP case had acceptable (not near-anatomic) alignment.
- Custom drill guides and FRS improved fluoroscopy efficiency but were cumbersome and time-consuming to use. Authors do not recommend current prototype for clinical use.
- Clinical significance: 3D printed models allow accurate precontouring, reducing intra-op plate adjustment; custom guides may reduce radiation exposure for the surgical team.
Veterinary Surgery
7
2023
Minimally invasive plate osteosynthesis of femoral fractures with 3D-printed bone models and custom surgical guides: A cadaveric study in dogs
2023-7-VS-scheuermann-1
In Kokkinos 2025 et al., on THR age effects, which perioperative complication was significantly more common in dogs <6 months of age?
🔍 Key Findings
- Study population: 116 dogs underwent cementless THR; grouped by age:
- Group A: ≤6 months (n = 27)
- Group B: >6 to ≤12 months (n = 41)
- Group C: >12 months (n = 48)
- Overall perioperative complication rate: 31.9% (37/116)
- Group A: 22.2%
- Group B: 26.8%
- Group C: 41.7%
- No significant difference in total complication rate by age (p = .207), though older dogs (Group C) had numerically higher rates.
- Luxation was significantly more common in dogs >12 months:
- Group C: 14.6% vs. Group A (0%) and Group B (2.4%) → p = .049
- Most common complications: luxation (9.5%) and intraoperative fissure or fracture (9.5%)
- Time under anesthesia and surgery duration were not associated with complication risk (p = .297 and p = .781)
- No infections or aseptic loosening observed during the 8-week follow-up.
Veterinary Surgery
3
2025
The influence of age at total hip replacement on perioperative complications in dogs
2025-3-VS-kokkinos-2
In Welker 2024 et al., on thoracic duct anastomosis with MAC device, what surgical consideration is recommended to improve outcomes?
🔍 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
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-5
In Viitanen 2023 et al., on zygomatic sialoadenectomy, which structure posed a risk of injury during intraoral dissection of the zygomatic salivary gland?
🔍 Key Findings
- Intraoral approach (IOA) reduced surgical time compared to lateral orbitotomy (median: 42.0 vs 65.7 minutes, p = .005)
- Ease of closure (Stage III) was better with IOA (p < .001), though gland removal (Stage II) was easier with LOA (p = .039)
- Complete gland removal was achieved in 8/10 IOA vs 10/10 LOA cases in cadaveric study
- All 3 clinical cases had uneventful recoveries post-IOA, including one carcinoma, with no intra- or short-term postoperative complications
- LOA had superior surgical exposure, but was more invasive and time-consuming
- IOA posed greater difficulty in complete gland removal in brachycephalic dogs, with remnant tissue noted in 2/10 cadavers
- IOA avoids osteotomy, reducing potential complications like delayed union and postoperative pain
- Cosmetic outcomes and healing were better with IOA, and no E-collar was required postoperatively
Veterinary Surgery
2
2023
Intraoral approach for zygomatic sialoadenectomy in dogs: An anatomical study and three clinical cases
2023-2-VS-viitanen-5
In Lemmon 2025 et al., on synovitis severity scoring, what was the most common synovitis severity score observed during arthroscopy?
🔍 Key Findings
Synovitis was present in 100% of canine stifles with CCL disease (n = 163).
The most frequent severity score was 3/5 (55.2%), followed by 4/5 (24.5%).
Higher synovitis scores were significantly associated with:
- Higher median cartilage scores (p = .042, OR = 2.1 per unit increase)
- Longer duration of clinical signs (p < .001, OR = 1.27 per month)
Bodyweight (p = .083) and sex (p = .17) were not statistically significant in multivariable analysis.
Bucket handle meniscal tears were not associated with synovitis severity.
Clinical implication: Earlier intervention may help reduce synovitis and slow OA progression.
Veterinary Surgery
3
2025
Arthroscopic synovitis severity scoring in canine stifles with cranial cruciate ligament disease
2025-3-VS-lemmon-1
In Danielski 2025 et al., on PUO complication reduction, what was the **overall complication rate** reported with IM pin and rhBMP-2 use?
🔍 Key Findings
- Combined intramedullary (IM) pin and rhBMP-2 use resulted in a low complication rate (7.4%) after proximal ulnar osteotomy (PUO).
- Major complications occurred in 5.3% of cases (4 infections, 1 pin breakage with ulnar tilt requiring revision).
- Minor complications occurred in 2.1% of cases (seroma, delayed union).
- No cases of non-union were observed; 98.9% of limbs achieved radiographic healing by 6 weeks.
- IM pin breakage was noted in 11.8% of limbs but did not affect healing outcomes.
- Chondrodystrophic breeds made up 64.8% of the cohort and tolerated the procedure well.
- Compared to prior studies, complication rates were substantially reduced with this technique (prior major: 13.9%; this study: 5.3%).
- The use of rhBMP-2 likely enhanced early bone healing and provided biologic support, particularly important in breeds at higher risk of complications.
Veterinary Surgery
6
2025
Impact of intramedullary pinning and recombinant human bone morphogenetic protein‐2 on postoperative complications after proximal ulnar osteotomy in dogs
2025-6-VS-danielski-2
In Grimes 2022 et al., on PDA rupture risks, what was the overall incidence of PDA rupture during surgical ligation in dogs?
🔍 Key Findings
- Rupture occurred in 7.0% of dogs undergoing surgical PDA ligation (20/285).
- Overall mortality was low (0.4%), with only one death occurring post-rupture.
- Residual flow occurred in 9.4% of dogs; significantly more common in dogs with rupture.
- Residual flow odds were not increased when ligation was successfully performed despite rupture.
- No significant associations between rupture and age, weight, suture size, or dissection technique.
- Jackson-Henderson and intrapericardial techniques were helpful in managing rupture or fibrosis.
- Major complications (non-rupture) were rare (1.4%), including pulmonary artery ligation and cardiac arrest.
- Surgeon preparedness (e.g., hemostatic tools, alternate techniques) was key to successful outcomes.
Veterinary Surgery
4
2022
Surgical ligation of patent ductus arteriosus in dogs: Incidence and risk factors for rupture
2022-4-VS-grimes-1
In Mullen 2024 et al., on NIRF for GDV, what intraoperative variable was significantly different between viable and nonviable groups?
🔍 Key Findings
- NIRF altered surgical strategy in 3 of 20 GDV dogs, identifying necrosis not appreciated subjectively.
- Fundic fluorescence <10% indicated histologically confirmed gastric necrosis.
- In 1 dog, NIRF revealed nonviability despite the surgeon’s impression of viability.
- Staple line fluorescence resembled viable tissue in the only stapled gastrectomy, suggesting preservation of perfusion.
- GDV dogs (even “viable”) showed lower fluorescence vs. healthy controls, indicating subclinical vascular compromise.
- Histology confirmed full-thickness necrosis in all 4 dogs with NIRF-defined nonviability.
- Pre-op lactate was significantly higher in nonviable GDV dogs (8.55 vs 4.89 mmol/L, p=0.03).
- No complications were reported from ICG use; imaging was safe and repeatable.
Veterinary Surgery
4
2024
Use of real-time near-infrared fluorescence to assess gastric viability in dogs with gastric dilatation volvulus: A case-control study
2024-4-VS-mullen-5
In Marturello 2023 et al., on 3D-printed humeral models, which factor had the **greatest influence** on model accuracy?
🔍 Key Findings
- 3D-printed models using desktop printers (FDM, LFS) showed submillimetric accuracy, comparable to or better than industrial-grade PJP printers.
- Bone size had a greater effect on print accuracy than printer type, especially in proximal humerus regions.
- The humeral condyle region showed the greatest model accuracy, with mean differences under 0.5 mm, regardless of printer.
- Models tended to be slightly smaller than cadaveric bones, potentially due to systematic underestimation during printing.
- FDM printer provided the highest accuracy at the humeral condyle in medium-sized bones (+0.09 mm).
- LFS printer produced prints faster and more reliably than FDM, although both had comparable dimensional accuracy.
- Statistically significant differences existed, but all were submillimetric and unlikely to impact surgical outcomes.
- Desktop printers are suitable for surgical planning, including plate pre-contouring and patient-specific instrumentation.
Veterinary Surgery
1
2023
Accuracy of anatomic 3‐dimensionally printed canine humeral models
2023-1-VS-marturello-1
In Caldeira 2025 et al., on femoral neck fixation, how did displacement values compare among groups?
🔍 Key Findings
Design: In vitro study on cadaveric femurs (n=21) with basilar femoral neck fractures stabilized using 2 vs 3 titanium cannulated screws.
Stiffness: Control > 3-screw > 2-screw (674 > 120 > 90 N/mm).
Yield Load: 3-screw (586 N) > 2-screw (303 N); both < intact femur (2692 N).
Displacement: No difference across groups.
Complication: 3-screw technique more demanding; higher risk of cortical perforation, especially with narrow femoral necks.
Failure Mode: Dislodgement of femoral head + screw shaft bending.
Conclusion: 3 screws = stronger construct than 2 screws. Clinical implications need further study.
Veterinary and Comparative Orthopedics and Traumatology
1
2025
In Vitro Biomechanical Study of Femoral Neck Fracture Fixation with Two or Three Cannulated Screws in Dogs
2025-1-VC-Caldeira-5
Quiz Results
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Key Findings
