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IFFAS Award of Excellence Goes to Study Using Weight Bearing CT to Examine Residual Effects of Misalignment in TAR Patients

An international research team of orthopedic surgeons was awarded the prestigious International Federation of Foot & Ankle Societies (IFFAS) Award for Excellence for a study that utilized weight bearing CT imaging  to analyze the effect of residual misalignment on cyst formation in total ankle replacement (TAR) patients.

The award was presented to the researchers at the American Orthopedic Foot and Ankle Society (AOFAS) Annual Meeting in Chicago on September 14 .

Courtesy of AOFAS. Researchers suggested the establishing a "safe zone" of ankle alignment to reduce the risk of peri-prosthetic cysts after total ankle replacement surgery.
Courtesy of AOFAS. Researchers suggested the establishing a “safe zone” of ankle alignment to reduce the risk of peri-prosthetic cysts after total ankle replacement surgery.

The authors hypothesized that longer follow-up and increased residual misalignment would correlate with increased peri-prosthetic cyst (PPC) volume and worse AOFAS scores. They found that residual varus cases had a more medial distribution of PPC and residual valgus cases had a more lateral distribution of PPC. During a presentation the next day, the authors explained that a using weight bearing CT to calculate a “Safe Zone” for  3D alignment of the foot prior to a TAR procedure could be instrumental in preventing  osteolysis, a condition that can eventually lead to implant failure.

The study was carried out at institutions using CurveBeam weight bearing  imaging solutions,  which provided the researchers with automatic 3D  measurement tools such as TALAS. The authors explained this research contributes to the comprehension of how peri-prosthetic cysts develop in the ankle.

The award recipients were Francois Lintz, MD, FEBOT; Jef Mast, MD; Mazim Medhi, MD; Alessio Bernasconi, MD; Cesar de Cesar Netto, MD, PhD; and Kristian Buedts, MD.

Press Release: CurveBeam Announces New Validated Protocols for LineUP™ Weight Bearing CT Imaging System

LineUP System Now Compatible with Wright Medical’s PROPHECY™ Preoperative Navigation System and Portfolio of Total Ankle Replacement Implants

HATFIELD, PENN. — Sept. 10, 2019 – CurveBeam, a leader in extremity CT imaging, announced it has developed and validated protocols for the LineUP weight bearing CT imaging system that are compatible with Wright Medical Group’s PROPHECY™ Preoperative Navigation System and portfolio of total ankle replacement implants. Hospitals and orthopedic practices selected to participate in a controlled release will be able to submit LineUP scans to be used in PROPHECY’s virtual preoperative alignment process to create patient-specific surgical guides, with the potential for the protocol to be available to all LineUP users.

CurveBeam will showcase examples of how weight bearing computed tomography (WBCT) scans produced on the LineUP were utilized in Wright’s proprietary technology to model patients’ unique anatomy to determine implant component sizes and alignment at the American Orthopaedic Foot & Ankle Society (AOFAS) Annual Meeting in Chicago from September 12 – 15, 2019.

Dr. Robert Santrock, an orthopedic surgeon at the West Virginia University Health System, will deliver a lecture at CurveBeam’s exhibit (#932) on Friday, September 13 to discuss how he used the LineUP composite knee-foot scan protocol with the PROPHECY system for his patients who are undergoing a total ankle arthroplasty procedure.

“WVU elected to place the LineUP in the Orthopedic Department, which makes scheduling and performing scans for patients more convenient,” Dr. Santrock said. “I am delighted I am now able to use LineUP technology in conjunction with the PROPHECY Preoperative Navigation System.”

“The application of WBCT imaging to patient-specific surgical modeling holds tremendous potential to enhance the accuracy of preoperative plans and assessment of post-operative results. It has a tremendous potential to improve outcomes,” said Arun Singh, President & CEO of CurveBeam.

The Wright Medical PROPHECY system is used with Wright’s INFINITY™ and INBONE™ Total Ankle Replacement Systems and its INVISION™ Total Ankle Revision System.

The CurveBeam LineUP is a weight bearing Extremity CT imaging system. Its innovative design allows for a patient to be scanned while he/she is standing naturally on both feet. The AOFAS recommends weight bearing imaging when possible to get the most accurate assessment. The LineUP offers the largest field-of-view in its class, which allows for both distal limbs to be captured in a single scan.

The LineUP is compact, self-shielded and plugs into a standard wall outlet, making it ideal for point-of-care orthopedic settings. A study published in the International Journal of Diagnostic Imaging concluded, “[due to extremely low levels] radiation should not be a concern when considering the use of WBCT imaging for foot & ankle examination.” For more information about CurveBeam’s extremity CT imaging solutions, visit www.curvebeam.com.

About CurveBeam

CurveBeam researches, designs and manufactures cone beam CT imaging systems for the orthopedic specialties. CurveBeam’s corporate headquarters is located in Hatfield, Pennsylvania. The company was founded in 2009 and is privately owned and operated.

CurveBeam Connect: The Humanitarian Effort with a Growing Global Footprint

When we sprain our ankle or break a toe, it’s assumed that proper care is rarely far from reach. This isn’t the case for everyone, especially those who live in rural corners of the world. But there is significant hope for these patients with debilitating foot and ankle issues.

summary screenshot myersonClick here to download the executive summary podcast for this episode of CurveBeam Connect, featuring Dr. Mark Myerson, founder of the Steps2Walk Foundation.

The philanthropic organization, Steps2Walk, offers life-changing treatments to patients all over the world. In many cases, the program’s surgeon’s have given permanently disabled patients the ability to walk again. We explored this forward-thinking organization on CurveBeam Connect.

Our guest was the esteemed doctor himself, founder and executive director of Steps2Walk, Dr. Mark Myerson. Regarded as one of the premier foot and ankle surgeons in the world, Dr. Myerson explored the operation of his organization, and how its reach is only expected to grow in the coming years.

“We are ‘Doctors Without Borders’ for the foot and ankle,” Dr. Myerson said when explaining the organization in brief; and if Dr. Myerson had his way, in coming years Steps2Walk would be just as much of a household name. With over 200 surgeons volunteering to participate in Steps2Walk, the organization is a force to be reckoned with. But the humanitarian program doesn’t accept just any surgeon.

Participants must be excellent educators, as well as highly skilled surgeons accustomed to deformities not often found in the Western world, like Cleft Foot. Steps2Walk aims to not only treat patients in need but to educate them on their foot and ankle health.

“Probably 80% of work that we’re doing is teaching.” Dr. Myerson said.

Steps2Walk is continuing to change patient lives and the way care is administered in a variety of countries with different health care systems. For doctors interested in participating in the program, or interested listeners wanting to know more, visit www.Steps2Walk.org.

24th World Scout Jamboree: Promoting Podiatry with Today’s Youth

CurveBeam was a proud to participate in the effort led by Dr. Bruce Blank, DPM, to promote the podiatric profession during the 24th annual  World Scout Jamboree. Held July 22 to August 2, 2019, the World Jamboree hosted over 30,000 coed Scouts from 150 countries across six continents. The event took place at the Summit Bechtel Reserve in Mount Hope, West Virginia.

Information about CurveBeam's weight bearing CT technology was on display at the Jamboree.
Information about CurveBeam’s weight bearing CT technology was on display at the Jamboree.

Dr. Blank, in alliance with the American Association of Colleges of Podiatric Medicine (AACPM), designed the Podiatric Medical Exhibit to introduce Scouts and young leaders to modern-day Podiatric Medicine and Surgery. The exhibit tent showcased careers in podiatric medicine, engaging young students through hands-on exploration and lively workshop sessions led by DPM volunteers. The Podiatric Medicine Exhibit also allowed students a glimpse at the state-of-the-art technology that will be driving the future of the profession as well.

CurveBeam provided a display at the Podiatric Medicine Exhibit featuring its innovative weight bearing CT technology.

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“Weight bearing CT has the potential to spur other technological advances, including biomechanically accurate 3D printed models of the foot and custom pre-operative guides,” said Vinti Singh, Director of Marketing for CurveBeam. ” CurveBeam is ecstatic for the opportunity to play a role in inspiring the next generation of medical innovators.”

CURVEBEAM CONNECT: South American Orthopedics is Making Strides with Dr. Cristian Ortiz

The foot & ankle orthopedic specialty in South America is burgeoning as the number of foot and ankle surgeons continues to increase, said Dr. Cristian Ortiz of the Clinica Universidad de los Andes in Santiago, Chile.

ezgif.com-gif-makerClick here to download the executive summary for this episode of CurveBeam Connect, featuring Dr. Cristian Ortiz of the Clinica Universidad de los Andes.

 

“We are growing up in sports, but we’re also growing up in the practice of all the different areas of medicine and medical care, and especially in orthopedic,” Dr. Ortiz said.

For this month’s episode of CurveBeam Connect, director of marketing Vinti Singh sat down with Dr. Ortiz, a noted foot and ankle orthopedic surgeon and vice president of the International Federation of Foot and Ankle Societies (IFFAS). Every month, Singh interviews doctors, patients, and thought leaders in healthcare technology to discuss how weight bearing CT solutions are changing medicine.

In the last five years, Ortiz said he has seen a growing number of foot and ankle surgeons, especially in Argentina, Brazil, Chile, and Colombia.

“Right now in Chile, we have 60 foot and ankle surgeons who are well-trained or formally trained in the States or Europe,” Dr. Ortiz said. “So it’s a pretty good number for an 18-million-people country.”

More orthopedic surgeons mean an improved level of care and skill for the specialty, he said.

“Medicine is practiced in different ways depending on where you are, which depends on your financial support, level of expertise, and sometimes even if you have the same training, people do things differently,” Dr. Ortiz said.

Dr. Ortiz is preparing for the next meeting of the IFFAS 2020 in Vina del Mar, Chile, where 1,400 surgeons will meet to discuss weight-bearing CT, sports injuries, total ankle replacements, and other hot topics right now in the foot and ankle surgery.

“So it’s very interesting because when you bring speakers talking about the same subjects, you get different ideas because they come from different parts of the world,” Dr. Ortiz said.

Weight Bearing CT Imaging Could Assist in Evaluating Knee Osteoarthritis

Many have long thought that the means of assessing osteoarthritis in the knee are less than ideal.

Although conventional X-ray radiographs are widely considered as gold standard for the assesssment of knee OA, in clinical and scientific settings they increasingly bare significant limitations in situations where high resolution and detailed assessment of cartilage is demanded. – Wick et al, Gereontology. 2014; 60(5).

Current standard of care consists of a series of X-rays on a routine interval basis to assess whether disease is progressing further and corresponding with the patient’s symptoms. There is questionable reliability of joint space width (JSW) measurements from X-ray, and it is difficult to decipher whether there has been a significant change in anatomy to explain the patient’s worsening symptoms.

Watch the video to see a bilateral weight bearing CT dataset of a patient with osteoarthritis in his knees. 

CurveBeam’s cone beam CT technology offers high resolution, axial, coronal, and sagittal views in 0.3mm slices generated from a 30 second scan. This provides 3-dimensional, weight bearing information with radiation exposure levels almost equivalent to the standard series of knee X-rays. The 30 second scan is much faster for the technician to acquire compared to the back and forth for multiple views in an X-ray series.

Incorporating weight bearing CT technology into daily practice could facilitate complete visualization of the joint surface in axial slices and take into consideration the effects of weight bearing at the joint line. In time, clinicians should be able to provide more detailed information on location and progression of disease for their patients, and therefore, determine the best course of care moving forward.

 

CurveBeam Connect: Breaking Down a New Study on Weight-Bearing CT’s Impact on Cost

In this episode of the CurveBeam podcast, host Vinti Singh sat down with Dr. Martinus Richter, MD, Ph.D.to discuss the results of his latest published study: “Results of more than 11,000 scans with weight-bearing CT – Impact on costs, radiation exposure and procedure time.” This first-of-its-kind study examined the economic implications of CT scans versus radiographs for patients.

exec summary screenshot

Click here to download the execuctive summary for this episode of CurveBeam Connect, featuring Dr. Martinus Richter, MD, PhD.

Dr. Richter is department head of the foot and ankle orthopedic surgery section at Hospital Rummelsberg in Rummelsberg, Germany and has published numerous studies in orthopedic journals.

Dr. Richter oversaw a study, which was conducted over more than five years. to assess the benefits of using weight bearing CT (WBCT) instead of a combination of weight bearing radiographs (R) and conventional CT (CT). The study looked at the modalities’ impacts on costs, radiation exposure and procedure time.

In the study, 11,009 scans, taken from July 2013 through March of 2019, were obtained from 4987 patients—45% (4,897) before treatment; 55% (6,022) at follow-up—with a yearly average of 1,957 WBCTs (bilateral scans). These were compared to 1,850 Rs (bilateral feet, dorsoplantar and lateral, metatarsal head skyline view) and 254 CTs obtained from 885 patients (RCT group) in 2012.

The conclusions help to solidify that not only can WBCT more precisely measure bone position than conventional R and CT scans, but also decreases the time needed for image acquisition by 77% and radiation dosage by 10%, while increasing institution financial profitability by $57.19 (51€) per patient.