Dear SRS members,
The past two years, we have taken a strategic look at all the work we are doing in education, communication, diversity, patient outreach and of course, research. As we have continued this work, we have found some obvious opportunities to redirect content and work in a more productive manner.
One of these areas is the quarterly members-only newsletter. After in-depth analysis of readership, content, and committee submissions, the SRS Board of Directors determined it no longer meets the strategic communication goals of the society for more robust, more timely communication of programs and initiatives.
We found that the low level of engagement, compared to the amount of time and work for our member committees and SRS staff was unequal. So, the Board of Directors made the decision at the IMAST Board meeting to cease publication as of the March 2022 issue. Committee reports and member-only information are now incorporated in the members-only section of the e-newsletter, the "Spinal Column."
In addition, we will produce a yearly, interactive, online Annual Report that will highlight the full year of committee achievements and SRS successes.
We value member communication highly. We plan to continue fine tuning and updating our options to deliver the most relevant content in the best possible format in the future. That includes investing in new platforms like an online, interactive Annual Report, the Scoliosis Dialogues podcast and a new membership website.
We look forward to another great year of SRS growing and expanding as the premier, international research society.
Christopher Shaffrey, MD
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Preston Phillips, MD
As most of us have heard, SRS member Dr. Preston Phillips was shot and killed in Warren Clinic on South Yale Avenue in Tulsa, Oklahoma on June 1, 2022.
As I contemplated writing this obituary, I thought of the enormity of good that can be done by one professional in our field. Among our membership we have some of the leading practitioners in the field of spinal deformity. Our collective knowledge has spearheaded advances in spinal surgery all over the world. Dr. Phillips represented that drive for knowledge in every area of his career.
In just four years at Emory University, Dr. Preston graduated with a bachelor's degree in theology, a bachelor's degree in chemistry and a master's in organic chemistry.
After Emory, Dr. Phillips was accepted to Harvard Medical School and graduated with honors in 1992. He also completed fellowships at Beth Israel Deaconess Medical Center in Boston and Boston's Children's Hospital.
According to his obituary from Harvard, he was the former team physician for the Tulsa Shock, part of the Women’s National Basketball Association. Phillips also participated in medical missions to Africa, organized by the Tulsa-based Light in the World Development Foundation.
In addition to being a standing member of SRS, he was a Fellow of the American Orthopedic Association (AOA), and American Academy of Orthopaedic Surgeons (AAOS). He was also a member of the J. Robert Gladden Orthopaedic Society (JRGOS).
AOA issued a statement after Dr. Preston’s death that sums up how we all feel as we move forward: “We will continue to care for our patients and embrace the oath we took as physicians. Although our hearts are heavy and our hands are weary, we will continue our service to others and never forget those who we have lost while in the line of duty.”
You can watch the celebration of life for Dr. Phillips here.
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Do you have an idea for an innovative topic for the 2023 IMAST program?
The IMAST Committee is accepting SRS member applications for IMAST Education Sessions from May 6, 2022, through June 3, 2022. Formats include Instructional Course Lectures, Debates, and Case Sessions. Alternative session formats for creative learning experiences also welcomed.
Educational content for IMAST should focus on innovative topics and surgical techniques, new spine technologies, and emerging practice challenges and solutions.
- Presenter list (SRS members strongly preferred)
- Rationale for topic timeliness, relevance, and innovation
- Description of educational needs addressed
- Description of patient care problems associated with this topic
- 2-4 quiz questions on priority learning outcomes
Contact the SRS Education Team at firstname.lastname@example.org with any questions.
IMAST, the Scoliosis Research Society’s (SRS) International Meeting on Advanced Spine Techniques, gathers leading spine surgeons, innovative research, and the most advanced spine technologies and techniques in an international forum. For three days, surgeons from around the world discuss, debate, and demonstrate new spine techniques to help each other improve patient care.
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by Craig Louer, MD
An adolescent patient elects to proceed with posterior spinal fusion (PSF) for AIS. The curve is classified pre-operatively as Lenke 1C-, characterized by a structural main thoracic curve with significant hypokyphosis; and, the clinical exam correlates with this sagittal plane disruption. The main thoracic (MT) coronal Cobb measures 55 degrees and it demonstrates reasonable flexibility in the coronal plane. This surgeon would not typically use posterior column (Ponte-style) osteotomies to improve correction for a main thoracic curve like this in isolation. However, in this particular case, a selective thoracic fusion is the chosen surgical approach and the surgeon hopes to maximize MT correction to better influence spontaneous lumbar curve correction.1 The surgeon uses this as justification to perform 5 apical Ponte osteotomies during the procedure. Surgery is complicated by intra-operative neuromonitoring alerts but ultimately no neurologic deficit is noted at wake-up test or final outcome. Desired correction is achieved, and patient has a routine post-operative course subsequently.
Afterwards, the surgeon considers the ethical underpinnings of the decisions made, including:
"How much increased surgical risk is tolerable for incremental gains in correction with uncertain influence on ultimate long-term outcomes?"
Or to phrase another way,
"If this patient suffered significant or irreversible neurologic deficit as a result of Ponte osteotomies, would the potential or realized gains of such a strategy be adequate justification?"
Although rarely do surgeons ask themselves these questions explicitly, they are nonetheless encountered and addressed by our routine decisions. Each of us has been honed during training and practice to be passable judges of relative risk and benefit. Every surgical indication considers relative risk and benefit of a procedure and whether this balance is "acceptable".
The topic of acceptable risk for Ponte osteotomies in AIS has been an area of internal debate for me as a young surgeon, as well as a public and sometimes fervent debate within our specialty. Ponte osteotomies are routinely performed for all curves in some practices, while in others it is a rarity only for extenuating circumstances.2 Controversial and sometimes opposing viewpoints have been presented during research podiums at national meetings, making the dichotomy in practice patterns relatively apparent. Why would a group of surgeons who seem to agree on the favorable benefits-to-risks ratio for a procedure like PSF for AIS have opposing viewpoints on the related procedure of Ponte osteotomies? Perhaps it is because we do not agree to the same set of facts like we do for PSF.
The Ponte osteotomy was developed in 1987 by Dr. Alberto Ponte of Rome, Italy. It was originally developed for kyphosis, but it has been noted more recently by its creator to have ability to correct coronal and rotational deformities in addition to sagittal deformity.3 Within the last decade there have been numerous reports of incorporating Ponte osteotomies into the PSF procedure for AIS, with general improvements in coronal, sagittal, and axial corrections compared to controls, though the studies are observational and the clinical significance of the modest improvements are debatable.4,5 One situation where these small changes in deformity characteristics may be clinically relevant is in the situation of a selective thoracic fusion where spontaneous lumbar curve correction appears to be influenced by the magnitude of coronal correction and, to a lesser degree, the kyphosis restoration.1
In other cases, it is speculated that restoration of thoracic kyphosis is the most essential component of deformity correction, as this kyphosis restoration may positively influence overall sagittal profile by allowing physiologic lumbar lordosis and reducing the presence of cervical kyphosis.6,7 Long-term follow-up may help determine whether these purported benefits will affect healthcare related quality of life, though there is sparse evidence of an immediate or mid-term advantage in outcomes attributable to Ponte osteotomies for AIS.
The performance of Ponte osteotomies has been associated with additional risks. In a large series of 2210 patients, Buckland et.al. reports a risk of realized neurologic complication to be quite low and similar between AIS groups undergoing PSF with Ponte Osteotomy (PO) or No PO (0.37% vs. 0.17%). Although no statistical difference in the manifested complications, there was a significantly increased rate of neuromonitoring alerts in the group undergoing POs (9.3% vs. 4.2%).8 Additional studies have substantiated that the risk of a neuromonitoring alert is increased if Ponte osteotomies are utilized.9 There are other potential risks with Ponte osteotomy use, including increased blood loss, operative time, and concern for wound issues if hematoma were to form.
Proponents of Ponte osteotomies would argue that PSF is a deformity correction operation, and the Ponte osteotomy is a powerful tool to help them best achieve maximum correction. These individuals recognize that it will cost them some time and may result in increased neuromonitoring alerts. However, they do not weigh the risk of neurologic injury to be significantly increased over baseline. Detractors of this practice would state that neuromonitoring alerts are a critical outcome meant to be avoided. These surgeons believe that they can accomplish their PSF goals of limiting future progression with a minimal risk operation and they perhaps don’t believe maximum radiographic correction in all three planes is a goal that warrants additional risk.
The other significant consideration that must be acknowledged is the impact of reimbursement in our decision-making. Many surgeons have compensation plans that are productivity-based, where at least part of their salary is determined by clinical productivity measured by work-RVUs (wRVU). The code for a single posterior column osteotomy (PCO) (thoracic-level CPT 22212) is worth 20.99 wRVU; a lumbar PCO is worth slightly more. In the current system, this means a single PCO would generate more wRVU than open treatment of femoral shaft fracture (CPT 27506, wRVU-19.65) and over 70% of the wRVU of a suboccipital and cervical decompression for Arnold-Chiari malformation (CPT 61343, wRVU 31.86). While additional levels of PCO don’t generate wRVUs quite as generously as the initial PCO (CPT 22216, wRVU 6.03), PCOs collectively have a large effect on the procedural charge and reimbursement.
While we assume (and hope) that there are very few surgeons who make decisions solely based on billing, the realities of reimbursement may subconsciously sway many more surgeons who understand the impact it has on their (or their hospital’s) bottom line. Cognitive dissonance can lead to rationalization to use PCOs for a medical indication, though the subconscious motivation is repayment. Any productivity-based surgeon who knows how they are reimbursed is subject to such bias. Pretending it does not exist would be naïve.
As for the solution to this ethical dilemma, unfortunately there is no clear answer. The well-known clinical ethical principles of beneficence and non-maleficence are at odds with many cases of surgical decision-making. With these two principles in conflict, determination of which should prevail would depend on weighing an individual surgeon’s interpretation of the data. The answer may vary for each surgeon or patient, with risks somewhat mitigated with more surgical experience or skill, or the benefits more pronounced in some patients where routine measures will not result in an acceptable outcome. As evidence evolves, new patients seek care, and we continue to change as individual surgeons, I submit that this decision should change in accordance. Do not be blind to your biases and subconscious motivations. Continued introspection and re-evaluation is essential in surgery. Ask yourself: “If a complication were to result from the performance of this Ponte osteotomy, would I still feel performing the procedure was necessary and was the best decision for this patient?” Also ask, “Would I make the same decision if payment were unaffected?” When these are answered in the affirmative, then your assessment favors the performance of a Ponte osteotomy.
1. Kluck D, Sullivan TB, Bastrom TP, Bartley CE, Yaszay B, Newton PO. Predictors of spontaneous lumbar curve correction in thoracic-only fusions: 3D analysis in AIS. Spine Deform. 2021;9(2):461-469. doi:10.1007/s43390-020-00231-0
2. Oetgen ME, Weinstein SL, Andras L, Shah S, Sucato DJ. What are Your Optimal Surgical Strategies for a Double Major Curve in Adolescent Idiopathic Scoliosis? 2020;2(1):28.
3. Ponte A, Orlando G, Siccardi GL. The True Ponte Osteotomy: By the One Who Developed It. Spine Deform. 2018;6(1):2-11. doi:10.1016/j.jspd.2017.06.006
4. Samdani AF, Bennett JT, Singla AR, et al. Do Ponte Osteotomies Enhance Correction in Adolescent Idiopathic Scoliosis? An Analysis of 191 Lenke 1A and 1B Curves. Spine Deform. 2015;3(5):483-488. doi:10.1016/j.jspd.2015.03.002
5. Shah SA, Dhawale AA, Oda JE, et al. Ponte Osteotomies With Pedicle Screw Instrumentation in the Treatment of Adolescent Idiopathic Scoliosis. Spine Deform. 2013;1(3):196-204. doi:10.1016/j.jspd.2013.03.002
6. Newton PO, Yaszay B, Upasani VV, et al. Preservation of Thoracic Kyphosis Is Critical to Maintain Lumbar Lordosis in the Surgical Treatment of Adolescent Idiopathic Scoliosis: Spine. 2010;35(14):1365-1370. doi:10.1097/BRS.0b013e3181dccd63
7. Feng J, Zhou J, Huang M, Xia P, Liu W. Clinical and radiological outcomes of the multilevel Ponte osteotomy with posterior selective segmental pedicle screw constructs to treat adolescent thoracic idiopathic scoliosis. J Orthop Surg. 2018;13(1):305. doi:10.1186/s13018-018-1001-0
8. Buckland AJ, Moon JY, Betz RR, et al. Ponte Osteotomies Increase the Risk of Neuromonitoring Alerts in Adolescent Idiopathic Scoliosis Correction Surgery. Spine. 2019;44(3):E175-E180. doi:10.1097/BRS.0000000000002784
9. Floccari LV, Poppino K, Greenhill DA, Sucato DJ. Ponte osteotomies in a matched series of large AIS curves increase surgical risk without improving outcomes. Spine Deform. 2021;9(5):1411-1418. doi:10.1007/s43390-021-00339-x
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It was with great pleasure that the Historians of SRS visited the SRS archives in Kansas City. Along for the trip were Behrooz Akbarnia, George Thompson, Jay Shapiro, Rick Schwend, and Pat Kostial and of course the best of the SRS staff Laura Pizur. We met with the Archivists at KU med center where the Archives are housed along with the Harrington Archives. Good news in that a one-year position for an SRS Archivist will be filled this Fall.
Their job will be to better organize and arrange existing collection to make it easier find things in the collection for members and researchers. Long term goals are to make Archives more accessible in person and online.
SRS vice president Marinus de Kleuver was at University of Kansas Medical Center visiting and was able to stop in and see the Archives and the Harrington display as well as meeting with the Historians. We much appreciated his input and enthusiasm.
Seeing the displays is a must for all spine deformity surgeons. Knowing our history is vital for our future. Having the Archives allowed for documentation of spinal techniques that predated FDA rules allowing for the approval of new growing techniques and instrumentation as well as documenting use of pedicle instrumentation. As Historians we are working and looking for ways to make sure we preserve for the future todays and past accomplishments of spinal deformity surgery.
If interested in visiting or contributing to the Archives, please let any of us know.
Jay Shapiro, SRS Historian
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Claudio Villela Pedras, MD
Claudio Villela Pedras, MD, former head professor of Orthopedic Surgery at Federal University of Rio de Janeiro and former Chief of Spine Deformities at National Institute of Orthopedics and Traumatology, Rio de Janeiro, died January 30, 2017.
Dr. Pedras was native of Juiz de Fora, Minas Gerais, Brazil and moved to Rio de Janeiro to study Medicine at the Federal University of Rio de Janeiro. He began his professional career as Orthopedic Surgeon at Miguel Couto Hospital and Trauma Hospital in Rio de Janeiro. His former Chief, Dr. Nova Monteiro, seeing a need for spinal pathologies treatment, inspired him to do a fellowship with Professor John Moe.
Dr. Pedras with Edgar Dawson MD completed, the first John Moe Fellowship Program in Minneapolis in 1972. Returning to Rio de Janeiro, he was recruited to work at Miguel Couto Municipal Hospital and later at Trauma Hospital, today called INTO, the Spine Deformity Center.
Dr. Pedras was always ahead of his time, interested in new technologies and was a pioneer in less invasive procedures for spinal surgery in Brazil, performing the first video assisted thoracoscopic procedure for thoracolumbar fracture at the University Hospital of Rio de Janeiro in the early 90s.
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Davis W. Clark, MD
SRS member Davis W. Clark, MD died July 8, 2022, after brief illness at age of 86. He was born July 19, 1935, in West Springfield, MA. Dr. Clark attended University of Rochester, NY, where he earned a degree in Geological Engineering. After graduation he enlisted in the U.S. Navy. Dr. Clark left the Navy to enroll in medical school at the University of Rochester School of Medicine, graduating in 1967. He did his internship and orthopedic residency at Strong Memorial Hospital in Rochester.
After training, he moved to Concord, NH and founded Concord Orthopedics, PA on July 10, 1972, where he practiced for 50 years. He was a member of the SRS, NASS and served as an orthopedic board examiner.
Dr. Clark is survived by his wife of 38 years Sandra C. Clark, daughters Elizabeth G. Clark, Laura Mitchell, Deborah Hale, and his sons Davis W. Clark and Michael Hale.
Condolences may be left on his Legacy page.
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Voting will take place online in conjunction with the 57th Annual Meeting in Stockholm, Sweden on September 16, 2022. Information on how to vote will be provided closer to the voting period.
Laurel C. Blakemore, MD
Communication Council Chair
Ron El-Hawary, MD
Gregory M. Mundis Jr., MD
Directors At Large
|Lindsay M. Andras, MD
||Firoz Miyanji, MD, FRCS
||Kota Watanabe, MD, PhD
Thank you to the 2021-2022 Nominating Committee
|Muharram Yazici, MD, Chai
||Todd J. Albert, MD
||Peter O. Newton, MD
|Stefan Parent, MD
||David W. Polly, Jr. MD
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Kiyoshi Kaneda, MD
It is with sadness we report that Professor Kiyoshi Kaneda passed away on October 9, 2022. He was 86 years old.
Professor Kaneda was born in Fukushima Prefecture on September 7, 1936. He studied medicine at Hokkaido University School of Medicine, Sapporo, Japan. After graduating medical school in 1962 and completion of internship at Kyoto University he did his residency in orthopaedic surgery at Hokkaido University.
In 1973 he became a visiting clinical fellow with John E. Hall, MD at the Children Hospital, Harvard Medical School in Boston, Massachusetts. In 1974 he was a visiting clinical fellow with John Moe, MD and Robert B. Winter, MD at the Twin Cities Scoliosis Center, Minneapolis, Minnesota.
Upon returning to Sapporo in 1976, Professor Kaneda was appointed Associate Professor in the Department of Orthopedic Surgery, Hokkaido University School of Medicine. He devoted his career to scoliosis and spine surgery. In the early 1980’s, he developed a new dual rod anterior spinal fixation system (“Kaneda device”). In 1986, Professor Kaneda was appointed Professor and Chairman of the Department of Orthopedic Surgery, Hokkaido University.
He and his spine fellows worked with Professor Manohar M. Panjabi and contributed significantly to spinal biomechanics research. Professor Kaneda became a member of the Scoliosis Research Society in 1983 and was an Emeritus Fellow at his passing. He was a member of ISSLS and served as its President from 1996-1997. He received the ISSLS Wiltse Lifetime Achievement Award in 2004 and the NASS Wiltse Award in 2011.
But Professor’s Kaneda’s greatest legacy may well not be on any plaque, award, or patent filing. Professor Kaneda’s great and most enduring contribution to spine surgery is his program for promoting the exchange of information and training between surgeons in Japan and the rest of the world.
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