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Arthrex TPLO Rotation Chart Explained

Arthrex TPLO Rotation Chart Explained

TPLO

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Owners

Learn how to read and use the Arthrex TPLO rotation chart for precise tibial plateau leveling osteotomy surgery in dogs.

By 

Sustainable Vet Group

Updated on

March 9, 2026

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Arthrex TPLO Rotation Chart Explained

Performing a tibial plateau leveling osteotomy (TPLO) is a common surgical procedure to treat cranial cruciate ligament injuries in dogs. The Arthrex TPLO rotation chart is a vital tool that helps veterinary surgeons determine the exact amount of tibial rotation needed during surgery. Understanding this chart ensures accurate bone alignment and improves surgical outcomes.

This article explains the Arthrex TPLO rotation chart in detail. You will learn how to interpret the chart, why it matters for your pet’s surgery, and how it guides surgeons in achieving the correct tibial plateau angle. This knowledge helps pet owners understand the surgical process better and supports informed discussions with your veterinary surgeon.

What is the Arthrex TPLO rotation chart?

The Arthrex TPLO rotation chart is a reference guide used during TPLO surgery. It shows the degrees of rotation needed to achieve a target tibial plateau angle based on the preoperative measurement. This chart helps surgeons plan and execute the bone cut and rotation precisely.

Using this chart reduces guesswork and improves the accuracy of the surgical correction. It is designed specifically for the Arthrex TPLO surgical system, which includes specialized plates and instruments.

  • Rotation guidance: The chart provides exact degrees of tibial rotation required to reach the desired postoperative tibial plateau angle, ensuring surgical precision.
  • Preoperative planning: It uses the measured preoperative tibial plateau angle to determine how much rotation is necessary during surgery.
  • Standardization tool: The chart standardizes the surgical approach, reducing variability between different surgeons and cases.
  • Integration with Arthrex system: It is designed to work with Arthrex-specific implants and instruments for seamless surgical workflow.

Understanding this chart is essential for surgeons performing TPLO with Arthrex equipment and benefits pet owners by improving surgical success rates.

How does the Arthrex TPLO rotation chart improve surgical accuracy?

Accurate rotation of the tibial plateau is critical to restore normal joint mechanics after TPLO surgery. The rotation chart helps surgeons avoid under- or over-rotation, which can lead to poor outcomes or complications.

By providing a clear reference, the chart minimizes errors during the procedure. It also supports consistent results across different patients and surgeons.

  • Precise angle correction: The chart ensures the tibial plateau angle is corrected to the target, improving joint stability post-surgery.
  • Reduces complications: Proper rotation lowers risks of implant failure, arthritis progression, and abnormal gait after surgery.
  • Improves recovery: Accurate alignment supports better healing and faster return to normal activity for dogs.
  • Supports training: The chart helps less experienced surgeons perform TPLO with confidence and accuracy.

Using the Arthrex TPLO rotation chart is a key step in achieving the best surgical outcomes for dogs undergoing cruciate ligament repair.

What measurements are needed before using the Arthrex TPLO rotation chart?

Before referencing the rotation chart, the surgeon must measure the tibial plateau angle on preoperative radiographs. This angle indicates how sloped the tibial plateau is, which influences the degree of rotation needed.

Accurate measurement is essential for the chart to provide correct rotation values. The process involves specific radiographic positioning and angle calculation techniques.

  • Radiographic positioning: Proper lateral X-rays of the stifle joint are required to visualize the tibial plateau accurately.
  • Angle measurement: The tibial plateau angle is measured using anatomical landmarks on the radiograph, typically with digital tools.
  • Recording values: The measured angle is noted and used as the input for the rotation chart to find the corresponding rotation degree.
  • Repeatability: Consistent measurement technique ensures reliable data for surgical planning and chart use.

Accurate preoperative measurements are the foundation for effective use of the Arthrex TPLO rotation chart during surgery.

How do surgeons use the Arthrex TPLO rotation chart during surgery?

During TPLO surgery, the surgeon references the rotation chart after measuring the tibial plateau angle. The chart indicates how many degrees to rotate the tibial segment after the osteotomy cut.

This rotation changes the slope of the tibial plateau to a safer angle, reducing strain on the cruciate ligament. The chart guides the surgeon to achieve this precisely.

  • Osteotomy planning: The surgeon plans the bone cut location and angle based on the chart’s rotation recommendations.
  • Rotation execution: After cutting the tibia, the surgeon rotates the bone segment by the degree indicated on the chart.
  • Verification: Intraoperative imaging or jigs may be used to confirm the rotation matches the chart’s guidance.
  • Plate fixation: The Arthrex TPLO plate is applied to stabilize the rotated tibia, maintaining the corrected angle during healing.

Following the rotation chart during surgery helps ensure the tibial plateau angle is corrected accurately and consistently.

What are the benefits of using the Arthrex TPLO rotation chart for pet owners?

For pet owners, the Arthrex TPLO rotation chart contributes to safer surgeries and better recovery for dogs with cruciate ligament injuries. It supports precise surgical correction, which improves joint function.

Understanding the chart can help owners feel more confident about the procedure and its outcomes.

  • Improved surgical outcomes: Accurate rotation reduces complications and improves joint stability after surgery.
  • Faster recovery: Correct alignment supports quicker healing and return to normal activity for pets.
  • Reduced arthritis risk: Proper tibial plateau angle correction lowers the chance of arthritis development later.
  • Enhanced surgeon confidence: The chart helps surgeons perform the procedure with precision, benefiting your pet’s health.

Knowing that the surgeon uses tools like the Arthrex TPLO rotation chart can reassure owners about the quality of care their pet receives.

Are there limitations or challenges with the Arthrex TPLO rotation chart?

While the Arthrex TPLO rotation chart is a valuable tool, it has some limitations. Surgeons must combine chart data with clinical judgment and experience for best results.

Variations in anatomy or measurement errors can affect the chart’s accuracy. Understanding these challenges helps set realistic expectations.

  • Measurement variability: Inaccurate preoperative angle measurement can lead to incorrect rotation recommendations.
  • Anatomical differences: Individual dog anatomy may require adjustments beyond the chart’s standardized values.
  • Technical skill required: Proper use of the chart depends on surgeon experience and surgical technique.
  • Not a standalone tool: The chart should be used alongside other surgical planning methods and intraoperative assessments.

Awareness of these limitations ensures the Arthrex TPLO rotation chart is used effectively as part of comprehensive surgical care.

Conclusion

The Arthrex TPLO rotation chart is an essential tool for veterinary surgeons performing tibial plateau leveling osteotomy in dogs. It provides clear guidance on the degree of tibial rotation needed to correct the tibial plateau angle accurately.

By understanding and using this chart, surgeons can improve surgical precision, reduce complications, and support better recovery for pets. Pet owners benefit from knowing their dog’s surgery is planned with advanced, reliable tools like the Arthrex TPLO rotation chart.

What is the Arthrex TPLO rotation chart used for?

The Arthrex TPLO rotation chart is used to determine the exact degrees of tibial rotation needed during TPLO surgery to achieve the desired tibial plateau angle correction.

How do you measure the tibial plateau angle before surgery?

The tibial plateau angle is measured on a properly positioned lateral radiograph of the stifle using anatomical landmarks and digital tools to ensure accuracy.

Can the Arthrex TPLO rotation chart prevent surgical complications?

Yes, by guiding precise tibial rotation, the chart helps reduce risks like implant failure and arthritis progression after TPLO surgery.

Is the Arthrex TPLO rotation chart suitable for all dog breeds?

The chart is designed for general use but surgeons may adjust rotation based on individual anatomical differences in certain breeds.

Do surgeons use imaging during TPLO surgery with the rotation chart?

Yes, intraoperative imaging or jigs are often used to verify that the tibial rotation matches the chart’s recommendations for accuracy.

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