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PFF/ISAKOS Travelling Fellowship

The 2017 Patellofemoral Foundation funded Travelling Fellows recently completed their fellowship with a visit to see Professor Ryosuke Kuroda and his sports medicine team at Kobe University Hospital. Not only was the trip a valuable academic experience, but also an incredible cultural immersion with hospitality second to none. From the moment we arrived in Japan, the language barrier we expected was barely noticeable as Professor Ryosuke, and Consultant Surgeons Takehiko Matsushita and Daisuke Araki were kind enough to translate for us in their clinic where a variety of Patellofemoral and Sports cases were reviewed. We had the opportunity to present our own research and were treated to a departmental dinner - the first in a week long extravaganza of Japanese culinary delicacy. Guided tours to Kyoto, Nara and Himeji castle introduced us to the concept of Wabi Sabi, a philosophical conundrum that we will continue to study and appreciate. The unit had then been instructed to present their rounds and complex cases in English and we finished our trip following a day of surgery with dinner at a Kobe beef restaurant. The experience has primarily reinforced to us that the mission for which the Patellofemoral Foundation and International Patellofemoral Study Group were  founded, being a collegial family of surgeons with a common interest in furthering understanding of the PFJ, is still alive and well. We sincerely hope that we will have the opportunity to return the hospitality of our Japanese family in the future and we look forward to presenting a summary of our travels at the ISAKOS meeting in Cancun.

ISAKOS PF traveling fellows

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Patellofemoral Foundation sponsored ISAKOS PF traveling fellows Sheanna Maine and Mauro Nunez visit with Professor Ryosuke Kuroda, a former Patellofemoral Foundation/ISAKOS fellow, in Kobe Japan where Dr Kuroda is Chairman of Orthopedic Surgery

The Patellofemoral Foundation Board of Directors are delighted to announce that we will be funding Drs. Robert Magnussen and Marc Tompkins to be the 2019-20 ISAKOS/Patellofemoral Foundation Traveling Fellows. Congratulations!
Marc Tompkins, MD
Associate Professor of Orthopedic Sports Medicine
University of Minnesota/TRIA Orthopedic Center
I am interested in the surgical treatment of patellofemoral instability as well as anterior knee pain.  I have done and am currently participating in research into clinical outcomes following patellofemoral surgery.  I have also done and am currently participating in radiographic and biomechanical based research around patellofemoral pathology.  In addition, I have done and am currently participating in research focusing on rehabilitation following patellofemoral injury or surgery.
I am very excited about the opportunity to participate in the patellofemoral traveling fellowship.  I look forward to building on the foundation of patellofemoral understanding that I currently have through observation and discussion with other patellofemoral surgeons.  I also look forward to getting to know other patellofemoral surgeons better, with the hope for future collegial exchange and possible research collaboration. — Marc Tompkins, MD

Robert Magnussen, MD
Associate Professor of Orthopaedics
Bruce and Susan Edwards Professor of Sports Medicine
Associate Orthopaedic Surgery Residency Program Director for Research
Department of Orthopaedics
The Ohio State University Wexner Medical Center
My current areas of PF interested include using the power of multicenter cohort studies to answer key questions surrounding the treatment of patellar instability. Through multi-center collaboration, we can greatly shorten the time needed to collect patients and outcomes and hopefully soon provide some definitive answers to two key questions: 1. Which patients who suffer a first time patellar dislocation would benefit from early reconstructive surgery? and 2. When is an MPFL reconstruction sufficient to restore patellofemoral stability? By answering these key basic questions, we can facilitate patients' return to activity while minimizing both potential surgical morbidity and time loss from activity.

— Robert Magnussen, MD




PFF traveling fellows Sheanna Maine (Australia) and Mauro Nunez (Costa Rica) have been busy traveling to University of Minnesota with Drs Arendt and Tompkins; Hospital for Special Surgery with Drs Strickland, Shubin Stein, Green, Gomoll, and Fulkerson; Johns Hopkins with Drs Cosgarea and Tanaka; and here, with Dr Laurie Hiemstra in Calgary, Canada. Dr Hiemstra is hosting the next International Patellofemoral Study Group meeting next September in Banff, Canada.

By Drs Jacqueline Munch Brady and Nicholas Paschos

We began our journey in beautiful Lyon, France with Dr David Dejour. We focused on instability, discussing the principles of clinical and radiographic evaluation of the patellofemoral joint, and indications for procedures such as distalizing tibial tubercle osteotomy and trochleoplasty.  Dr. Dejour explained the thought process behind identifying patella alta and/or trochlear dysplasia as the major contributing factor to instability, and correcting each accordingly. 

Dr. Philippe Neyret was our next host, across the city in Lyon.  With him, we shifted our focus to the extensor mechanism of the knee, discussing considerations for surgical intervention in chronic quadriceps or patellar tendon insufficiency.  He demonstrated a technique for complex reconstruction of a deficient patellar tendon using mesh augmentation, for instances where the native tendon is insufficient for repair.

Next, we stopped in London to visit Dr. Andrew Amis.  His lab at the Imperial College is equipped to study everything from soft tissue anatomy to complex joint kinematics. We discussed the difficulties in studying the patellofemoral joint biomechanically: for instance, a dearth of trochlear dysplasia in cadaveric material, and the complexity of the soft tissue envelope surrounding the joint. We toured his laboratory and the neighboring robotics laboratory, and then had a great discussion with Dr. Amis and his colleague Dr Jo Stephen regarding their recent interest in the anatomy of the infrapatellar fat pad and its contributions to symptoms in the patellofemoral joint.

We departed London, inspired to continue our studies.  In Tampere, Finland, we shifted our research discussion to the clinical world with Dr. Petri Sillanpaa and his partner, Dr. Frederick Weitz. They collaborate on the majority of their trochleoplasty cases, in order to increase their respective experience and ensure close examination of their outcomes.  Among other excellent cases, we observed the technique of thin-flap trochleoplasty, and discussed the surgical indications for the procedure. 

At the end of our visit, providers from across Finland gathered in Tampere for a conference focusing on all aspects of the patellofemoral joint, and we had an excellent discussion on the latest developments in PF joint disorders.  True to the Finnish tradition, we concluded our conference with a visit to the conference’s sauna!

For our second week, we returned to the United States, landing first in Hartford, Connecticut for a visit with UConn surgeons Dr. John Fulkerson and Dr. Cory Edgar.  We shifted gears slightly to discuss chondral lesions and implications for patellofemoral surgery.  Dr. Edgar filled us in on his latest biomechanical undertakings, explaining the effects of distalization of the tibial tubercle in early knee flexion.  Dr. Fulkerson reviewed the anatomy of the medial patellofemoral complex, and demonstrated his MQTFL technique in addition to the anteromedializing tibial tubercle osteotomy.  The UConn residents filled us in on some of their research surrounding patellofemoral anatomy and cartilage restoration techniques, and we were able to see one more case with Dr. Fulkerson, illustrating the treatment of iatrogenic medial instability, before departing for Minnesota.   

Our next stop was the Mayo Clinic with Dr. Diane Dahm.  After observing an MPFL reconstruction, we focused on patellofemoral arthritis in particular with Dr. Dahm.  We discussed indications for unloading procedures versus patellofemoral arthroplasty.  She demonstrated a lateral facetectomy in a patient who was too high-risk for arthroplasty.  Afterward, we reviewed various patellofemoral implants, and discussed the fact that they vary significantly in design and considerations for technique. 

From Rochester, we journeyed to neighboring Minneapolis, MN, where Dr. Elizabeth Arendt hosted us at the University of Minnesota.  Dr. Arendt demonstrated her MPFL reconstruction technique of wrapping a graft around the adductor magnus tendon rather than creating a bony socket in the medial femur.  We discussed the lateral retinacular complex, and she demonstrated the technique of lateral retinacular lengthening.  Dr. Arendt also performed a thick-flap trochleoplasty technique in a severely dysplastic patient, demonstrating the ability of trochleoplasty to significantly improve the level of trochlear dysplasia on direct inspection and lateral fluoroscopic examination.  We ended the visit with a morning in the laboratory, reviewing the complex anatomy of the patellofemoral joint and its soft tissue envelope, and trying our hand at tibial tubercle osteotomy and trochleoplasty procedures.

Throughout the journey, we felt incredibly grateful and fortunate to have the opportunity to learn from some of the leaders in our field.  We are eternally thankful to our hosts for their time and energy.  The trip was challenging and enlightening in all the right ways, and we look forward to using our improved understanding to treat our patients and contribute to the literature. 

Our travels in pictures:

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