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Recap: WBCT Society Open Scientific Meeting at AOFAS 2019

The WBCT Society presented another Open Scientific Meeting on September 13, 2019 at the AOFAS Conference in Chicago. Watch the highlight reel from the meeting above to see some of the key moments or read the summary below!

The WBCT Society is an independent research organization. CurveBeam is a proud sponsor of the Society.

  1. New Leadership:The WBCT Society presented Dr. Martinus Richter, MD, PhD, a plaque for serving as founding president. Dr. Richter’s term ended at the meeting, and incoming president Dr. Alexej Barg, MD, assumed the role.
  2. Semi-Automatic 3D Hindfoot Measurements: Dr. Alessio Bernasconi discussed a study that demonstrated semi-automatic 3D hindfoot alignment measurements were reliable when measuring alignment on pes cavo-varus cases.
  3. New Research Protocols: Dr. Alexandre Godoy, MD, demonstrated how the University of Sao Paulo in Brazil has designed three new research protocols for its CurveBeam LineUP weight bearing CT system. These include:
    1. Cavus varus deformity: perform a Coleman block test clinically and during weight bearing CT to determine if the Coleman block test changes alignment measurements.
    2. Hallux valgus deformity: use weight bearing CT to assess 1st TMT gapping, collapse of medium column, and 1st MT and sesamoid rotation.
    3. Congenital club foot: Investigate residual club foot using WBCT to try to understand relationships between tarsal bones involved in the deformity.

Weight Bearing CT Helps Monroeville Orthopedic Surgeon Assess Ballet Dancers Standing En Pointe

As a soloist for the Pittsburgh Ballet Theater, dancer Diana Yohe, 25, has sprained her ankle several times – enough times that she had to have a ligament reconstruction surgery on her left ankle.

Throughout her recovery, her surgeon ordered X-Ray exams to track the progress of her healing. Yet Yohe worried she might not be ready for her upcoming lead role in Giselle.

Shortly before opening night, Dr. Victor Prisk, MD, ordered a state-of-the-art standing CT exam. Yohe stood en pointe during the scan.

“I could literally see the bones, the ligaments and even the skin,” Yohe said. “Prior to surgery my ankle was badly skewed. But on the CT scan, I could see it was back to perfect alignment.”

image_DKaQfnpDr. Prisk specializes in foot & ankle sports and dance medicine. He recently added weight bearing CT technology to Prisk Orthopedics and Wellness, PC, his private practice in Monroeville, PA. During a weight bearing CT scan, a patient stands naturally while the X-Ray tube and detector rotates 360-degrees around their feet & ankles. The X-Rays are then processed to produce a three-dimensional image of the patient’s foot.

CT imaging is more sensitive than 2D X-Rays in detecting fractures, fracture healing, and other conditions. However, traditional CT technology typically requires much more infrastructure than the average orthopedic clinic can accommodate and exposes the patient to a higher radiation dose than 2D X-Ray. In addition, foot & ankle specialists require a standing or “weight bearing” view of the foot and ankle for most conditions. In traditional CT imaging, the patient is lying down.

Dr. Prisk’s weight bearing CT scanner fits in his clinic’s X-ray room, and peer reviewed research demonstrates the scanner’s radiation dose is comparable to an X-Ray exam.

“I invested in this technology because I knew it would be a game changer in how I look at the foot & ankle from a 3D perspective; it literally adds another dimension,” Dr. Prisk said. “It allows me to critically assess deformities like never before.”

Dr. Prisk offers a pedCAT exam for every patient during their initial visit.

“The pedCAT allows me to get all X-Ray views for a new patient in less than 45 seconds, and is higher quality than standard X-Ray imaging,” Dr. Prisk said.

Several of Prisk’s patients are ballet dancers. With the pedCAT, he can get a 3D X-Ray while the dancer is standing en pointe.

“Scanning a foot en pointe allows to me see mal-alignments that could be resulting from an intrinsic foot problem or even from ballet technique,” Prisk said. He added there have been cases where he was able to determine the ballet dancer was wearing ill-fitting pointe shoes, as the toe box was either too large or too small.

Dr. Prisk, a former professional dancer himself, sprained his ankle during a gymnastics practice when he was 15 years old. The injury inspired him to become an orthopedic surgeon.

“My dance career taught me how prevalent foot & ankle injuries were for these athletes, and I wanted to help this particular population,” Dr. Prisk said. “Perhaps back then, if pedCAT technology were available, I would have known if my own ankle was displaced.”

Yohe is back to dancing five days a week. She said her first performance of Giselle went really well.

International WBCT Society Announces Book Release

The first textbook on weight bearing CT imaging, written by the board of the International WBCT Society, will be released in February 2020. The textbook is a scientific, technical and clinical guide to Weight Bearing Cone Beam Computed Tomography (WBCT), presenting all of the relevant content to date on the development, implementation, interpretation and clinical application of WBCT for the foot and ankle.

Pre-order the hardcover text from Springer here.

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“At the beginning of 2019, the board of the society discussed how to further spread the knowledge of WBCT,” said Prof. Dr. Martinus Richter, past president of the International WBCT Society. “In contrast to standard textbooks, the scientific content is emphasized and placed at the beginning to reflect the initial scientific approach of WBCT ISG and International WBCT Society.

“We wish that this book serves all current and upcoming users of WBCT in foot and ankle to answer all scientific and technical questions, to educate and instruct the clinical use including measurements.”

Weight Bearing Cone Beam Computed Tomography (WBCT) in the Foot and Ankle: A Scientific, Technical and Clinical Guide is separated into three informative sections.

  • Part One describes the history of, development of, and need for WBCT as an imaging option, and features a scientific overview of the procedure.
  • Part Two is an exhaustive scientific background comprised of 16 landmark studies, describing its advantages for selected foot and ankle injuries and deformities (both congenital and acquired).
  • Part Three uses this science as context, and includes chapters that:
    • Explain the technical aspects and necessary background for WBCT
    • Introduce the different devices used for WBCT
    • Provide insight into the actual measurement possibilities, including the initial software solutions for automatic measurements
    • Feature current clinical applications via case material illustrated in an atlas-like fashion
    • Explore future developments and further applications of WBCT, such as dynamic scans and measurements or hologram-like visualization

“In the early stages of the scientific work-up in different institutions, different methodologies, especially for angle measurements, were inaugurated. No standard for the methodology for the image acquisition and measurement was defined, and different methods have been published,” Dr. Richter explained.

“Since then, the society is further growing and the member number as well as the number of Pubmed-listed publications by members will both reach 100 by the end of 2019.  The International WBCT Society can be considered as one of the most scientifically active societies,” Dr. Richter said.

Weight Bearing Cone Beam Computed Tomography (WBCT) in the Foot and Ankle will be available online and in stores beginning February 2020, providing an excellent resource for orthopedic and foot and ankle surgeons, radiologists, and allied medical professionals working in this clinical area.

RSNA: Weight Bearing CT Posters & Podium Talks

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Radiology professionals from around the world will convene in Chicago in December for the RSNA 2019 Annual Meeting. The six-day conference schedule will span a broad range of radiology topics.

If you attend, make sure to visit the posters and presentations above, which detail advancements in weight bearing CT imaging and research.

To learn more about weight bearing CT imaging, visit CurveBeam at South Hall – 1404.

CurveBeam Announces Development of Weight Bearing CT Imaging System that will Scan the Hip and Pelvis

CurveBeam is proud to introduce the next level of weight bearing CT imaging, which will have the unique capability of scanning the hip and pelvis in weight bearing position, at the 2019 RSNA Annual Meeting.

With the HiRise, musculoskeletal radiologists and orthopedic specialists will be able to assess alignment of the total leg in three dimensions.

The HiRise is investigational only and is not available for sale in the United States.

The HiRise will permit visualization of the femoral head within the acetabulum. These scans could be used in pre-operative planning for knee replacement surgery, as surgeons will be able to assess alignment of the femoral head to the knee joint in three-dimensional weight bearing position.

Learn more about the HiRise at the RSNA Innovation Theater on Wednesday, Dec. 4 at 11 a.m.

CurveBeam’s weight bearing systems boast the largest patient platform and field-of-view in their class. Patients can stand naturally with both feet side-by-side. Both the left and right limb are captured in a single scan.

“The weight bearing position allows surgeons to make better decisions regarding alignment during pre-surgical planning,” said Dr. Robert Santrock, MD, an associate professor at West Virginia University Health System. “Bilateral weight bearing imaging enables concomitant deformities to be assessed.”

The wide bore will allow for continuous scanning along the lower limb via multiple orbits, with patient remaining still in one position.

The HiRise gantry will raise and lower along a vertical track for lower extremity scanning. The gantry will tilt 90 degrees for upper extremity scans as well as non-weight bearing lower extremity scans. An optional table will allow patients to be fully supine during non-weight bearing scanning if necessary.

“Extremity cone beam CT systems are utilized as a point-of-care modality to improve workflow and have been widely accepted by the orthopedic community for lower extremity applications to provide an accurate weight bearing assessment of alignment,” said Dr. John Carrino, MD, MPH, Vice Chairman of Radiology for the Hospital of Special Surgery.

CurveBeam utilizes cone beam CT technology (CBCT) in its systems. CBCT images are initially acquired as two-dimensional projections using a rotating gantry with a relatively low-power X-Ray source, a pulsed X-Ray beam and a flat panel detector. The projections are reconstructed into a volumetric dataset. Cone beam CT scans are optimized for trabecular detail.

With an approximate footprint of 60″ x 73″, the HiRise will be a practical solution for outpatient settings. In addition, the HiRise will plug into a standard 120V outlet and is anticipated to require minimal external shielding.

Radiation dose of a cone beam CT scan of the distal extremities is typically a fraction of a comparable conventional CT scan of the same region.

To learn more and see the HiRise on display, visit CurveBeam at RSNA in South Hall – 1404. Visit www.curvbeam.com, call 267-483-8081 or email info@curvebeam.com to set up a demo.

CurveBeam Connect: Hand, Wrist & Elbow Injury Recovery Methods in Sports Medicine

How do professional athletes recover from sports injuries and what are the advancements in sports medicine that are making these recoveries faster, and better? On this episode of the Curvebeam Connect podcast, host Vinti Singh, Director of Marketing at Curvebeam, spoke with Dr. Glenn Gaston, hand surgeon with OrthoCarolina, and hand consultant for the Carolina Panthers and the Charlotte Hornets, about these issues, with a focus on hand and wrist injuries.

As a member of the NFL physician’s society, Dr. Gaston was able to share with Singh, how the NFL’s muscular skeletal committee operates, what it does, how it reviews player injury data, and how it works to find solutions for better player care, and faster injury recovery times.

The focus of the subcommittee’s work is broken into two parts; they look at common metacarpal fractures, hand injuries they see frequently in players, and then they look at injuries such as Scaphoid bone fractures, which are harder to detect, and if left untreated can cause permanent, long-term damage.

“Every single practice, every single game, every single injury to every single player is recorded,” said Dr. Gaston. The committee looks at whether the injury took place on a Thursday or Sunday game, what type of turf the injury happened on, and weather conditions. A lot of considerations go into recognizing patterns and developing the right solutions and methods.

With this research, and the methods used to treat these professional sports athletes, often what gets developed for player injury recovery later becomes the standard used to treat regular injuries.

RSNA Preview: The Next Level of Weight Bearing CT Imaging

CurveBeam is going to the next level.

Learn more at the RSNA Annual Meeting at the Innovation Theater on Wednesday, Dec. 4 at 11 a.m. The presentation “Weight Bearing CT: Total Lower Limb Imaging” will be delivered by CurveBeam.

Visit Booth #1404 (South Hall) and be the first to experience CurveBeam’s next generation weight bearing CT system.

This system is investigational only and is not available for sale. 

Weight Bearing CT Presentations at SOTIMI International Congress

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Are you attending the SOTIMI International Congress in Naples, Italy later this month? Be sure to sit in on the following podium presentations on weight bearing CT imaging:

Saturday, Nov. 23
10.00 – 11.00 Comunicazioni: Caviglia E Piede

  • Misurazioni radiografiche di piede e caviglia nella cone beam weightbearing computer tomography (WBCT) – C. De Franco, V. de Matteo, R. Verrazzo, F. Smeraglia, G. Balati, A. Bernasconi (Naopoli)
  • Relazione tra instabilita laterale cronica di caviglia e retropiede varo valutato tramite TC cone beam in ortostatismo – A. Bernasconi, F. Lintz, L. Baschet, C. Fernando, N. Mehdi, Weight Bearing CT International Study Group, C. de Cesar Netto (Londra)
  • Piede cavovaro secondario a Charcot-Marie-Tooth vs piede cavovaro idiopatico: analisi preliminare della morfologia con TC cone beam in ortostatismo – A. Bernasconi, L. Cooper, S. Lyle, S. Patel, D. Singh, N. Cullen, M. Welck (Londra)
  • Variabiliita’ intra ed inter-osservatore di misurazioni semi-automatiche 3D con TC cone beam in ortostatismo in pacienti affetti da piede cavovaro sintomatico – A. Bernasconi, L. Cooper, S. Lyle, S. Patel, D. Singh, N. Cullen, M. Welck (Londra)