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Chester Knee Clinic News 2010


Posted on 3 February 2010.

This year began with Chester Knee Clinic staff stranded at various airports around the world due to bad weather conditions. The unusually snowy and cold winter we have experienced in the UK caused havoc with our clinics and appointments – many patients had trouble making it to the hospital and had to struggle with icy conditions. However, things are back to normal now and we are looking forward to the rest of the year. We wish you a very happy New Year, from all of us at Chester Knee Clinic.

2010 Updates on Skiing and Snowboarding Injuries

Venue: Nuffield Health, The Grosvenor Hospital, Chester. Date: Thursday, 9 December 2010. Programme

We are pleased to announce our next bi-annual Educational Seminar. This year we are moving back to the Jubilee Room at Chester Nuffiled. We will focus on prevention, early diagnosis and treatment of common snowsport injuries. We have a group of keen skiiers and excellent speakers: Dr Mike Langran (epidemiology, safety and prevention of snowsport injuries), Dr David Ritchie (magnetic resonance imaging), Mr Vladimir Bobic (knee injuries), Mr Ian Harvey (upper limb injuries), Mr Nick Geary (foot and ankle injuries) and Dr Peter Russell (ski touring and backcountry skiing). We are expecting one more speaker, who will discuss the selection of appropriate skiing and snowboarding equipment. The seminar is primarily aimed at GPs and Physiotherapists. There will be an opportunity to meet the speakers and to discuss the subject of each talk at the beginning and at the end of the seminar.

As part of the Nuffield Health GP Learning Programme we will provide certificates for 4 hours CPD credits for the maintenance of a portfolio of learning for your appraisal and revalidation.

If you would like to book a place please contact Ailsa Rainey by email ( or on 01244 684 343. Please note that the number of places will be limited to 40. We look forward to seeing you there.

2010 Update on Knee Injuries

Venue: Nuffield Health, The Grosvenor Hospital, Chester. Date: 19 May 2010. Programme.

This year's seminar was attended by a group of local GPs and Physiotherpists and it was focused mainly on early diagnosis and treatment of common knee problems and injuries. This time there was plenty of time for discussion, which was very useful, and we have provided certificates for 3 hours CPD credits.

CKC Conference News

Updated on 30 October 2010

We were unable to participate in the ACL Study Group meeting in Phuket, Thailand (20 - 26 February 2010) and the AAOS Annual Meeting in New Orleans (9 - 13 March 2010) as we had a lot of catching up to do in February and March. We are participating in the following meetings and international conferences:

  • BASK Meeting (British Association for Surgery of the Knee), Oxford, UK, 25 and 26 March 2010.
  • The 9th World Congress of the International Cartilage Repair Society (ICRS), Sitges/Barcelona, Spain, 26 - 29 September, 2010. Invited speaker: Vladimir Bobic. Lecture: Clinical options for treatment of subchonral pathologies.
  • Grand Rounds Conference University of Missouri School of Medicine, Department of Orthopaedic Surgery, Missouri Orthopaedic Institute, Columbia, Missouri, USA, 20 October 2010. Invited speaker: Vladimir Bobic. Lecture: Osteochondral unit and subchondral activity.
  • The John A Feagin Jr, MD, Leadership Forum and Mini ACL Study Group Meeting. Duke Sports Medicine Center, Duke University, Durham, North Carolina, USA, 22 and 23 October 2010. Lecture: Subchondral activity in ACL injury and reconstruction.
  • 6th International Congress of the EFOST (European Federation of national associations of Orthopaedic Sports Traumatology), Brussels, Belgium, 25 - 27 November 2010. Invited lecturers: Drs. Almqvist, Bobic, Kon, Marcacci & Van Lauwe. Lecture: Cartilage repair update. Cancelled.

CKC Research News

Posted on 7 November 2010

  • We continue to collect clinical, MR imaging and outomes data (using Socrates software) on all chondral and osteochondral repair procedures (CCI, ACI, OATS, Microfracture and Subchondral Decompression combined with Autologous Bone Marrow Aspirate and Autologous Osteochondral Grafting).
  • The SEM-based research on morphology of elusive Lamina Splendens (the top membrane-like layer of hyaline articular cartilage), which started last year, continues with Dr Norimasa Nakamura and his collaborators, at Hiroshima University, Japan.
  • We are about to start a multicentre Clinical Registry Study of the BioPoly RS Partial Resurfacing Knee Implant (developed by Schwartz Biomedical, Fort Wayne, Indiana, USA) at Chester Nufield, as the lead UK centre. BioPoly implants are used to resurface painful focal cartilage defects that occur in patient's femoral condyles, without having to replace a part of or the entire knee joint. The cost of the implant is considerably lower than those costs associated with biological implants (ACI, MACI, CCI) and knee arthroplasty.
  • In October 2010 we began colaborative research with Dr James Cook and his group at Comparative Orthopaedic Laboratory, University of Missouri, Columbia, USA, which will hopefully lead to better understanding of the structure of Osteochondral and Subchondral Units and still poorly understood but very complex and variable subchondral activity which is present and associated with many knee problems and surgical procedures, including articular cartilage injury and repair, ACL injury and reconstruction and early stages of Osteoarthritis (or perhaps more correctly Osteoarthrosis?).

Recent Orthopaedic News and Articles

Updated on 9 July 2010

Quality and Content of Internet-Based Information for Ten Common Orthopaedic Sports Medicine Diagnoses

JBJS(A), 7 July 2010.

Background Although the use of the Internet to access health information has grown quickly, the emergence of quality controls for health information web sites has been considerably slower. The primary objective of this study was to assess the quality and content of Internet-based information for commonly encountered diagnoses within orthopaedic sports medicine.

Methods Ten common diagnoses within the scope of orthopaedic sports medicine were chosen. Custom grading templates were developed for each condition, and they included an assessment of web-site type, the accountability and transparency of the information (Health On the Net Foundation [HON] score), and the information content. Information content was divided into five subcategories: disease summary, pathogenesis, diagnostics, treatment and complications, and outcomes and prognosis. Two popular search engines were used, and the top ten sites from each were independently reviewed by three authors. Data were evaluated for interobserver variability, HON scores, information content scores, and subgroup score comparisons.

Results After eliminating duplicate sites, a total of 154 unique sites were reviewed. The most common web-site types were commercial (seventy-four sites) and academic (thirty-two sites). Average HON scores, on a 16-point scale, were 9.8, 9.5, and 8.5, for reviewers 1, 2, and 3, respectively. Average information content scores, on a 100-point scale, were 56.8, 56.0, and 54.8 for reviewers 1, 2, and 3, respectively. Average content scores in each subgroup ranged between 45% and 61% of the maximum possible score. The presence of the HONcode seal was associated with significantly higher HON (p = 0.0001) and content scores (p = 0.002).

Conclusions The quality and content of health information on the Internet is highly variable for common sports medicine topics. Patients should be encouraged to exercise caution and to utilize only well-known sites and those that display the HONcode seal of compliance with transparency and accountability practices.

Other News

Posted on 3 February 2010


Early last year Vladimir joined Sanjiv Dhital, Consultant Plastic and Aesthetic Surgeon and an experienced woodworker, in his workshop and started learning the basics of woodworking. Vladimir is a prolific lamp-maker but his ambition is to make rocking chairs, inspired by Hans Wegner's classic J16 rocking chair and Sam Maloof's rockers. A few samples of the pieces of the furniture and lamps he made so far can be seen on Obviously, it is going to be a long way to anything even remotely similar to Sam Maloof's rockers!

This page was launched on 01 February 2010. Last update: 15 November 2010.

Site last updated on: 28 March 2014

Disclaimer: This website is a source of information and education resource for health professionals and individuals with knee problems. Neither Chester Knee Clinic nor Vladimir Bobic make any warranties or guarantees that the information contained herein is accurate or complete, and are not responsible for any errors or omissions therein, or for the results obtained from the use of such information. Users of this information are encouraged to confirm the accuracy and applicability thereof with other sources. Not all knee conditions and treatment modalities are described on this website. The opinions and methods of diagnosis and treatment change inevitably and rapidly as new information becomes available, and therefore the information in this website does not necessarily represent the most current thoughts or methods. The content of this website is provided for information only and is not intended to be used for diagnosis or treatment or as a substitute for consultation with your own doctor or a specialist. Email addresses supplied are provided for basic enquiries and should not be used for urgent or emergency requests, treatment of any knee injuries or conditions or to transmit confidential or medical information. If you have sustained a knee injury or have a medical condition, you should promptly seek appropriate medical advice from your local doctor. Any opinions or information, unless otherwise stated, are those of Vladimir Bobic, and in no way claim to represent the views of any other medical professionals or institutions, including Nuffield Health and Spire Hospitals. Chester Knee Clinic will not be liable for any direct, indirect, consequential, special, exemplary, or other damages, loss or injury to persons which may occur by the user's reliance on any statements, information or advice contained in this website. Chester Knee Clinic is not responsible for the content of external websites.

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