Smile designing with dental implants in restricted mouth opening patient
Technology and Innovation of Human Implants: The ... Kjaersgaard.pdf · Value based healthcare,...
Transcript of Technology and Innovation of Human Implants: The ... Kjaersgaard.pdf · Value based healthcare,...
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Section for Hip and Knee Replacement
Technology and Innovation of Human Implants:The Importance of Joint Registries in observing implant performance
Per Kjaersgaard-Andersen
Per Kjaersgaard-Andersen, MDAssociate Professor
Section for Hip and Knee Replacement, Vejle Hospital, Denmark&
President, EFORT
Working BreakfastSTOA – Panel for the future of science and technology
European Parlaiment, Brussels, BelgiumApril 4, 2019
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The metal-on-metal hip arthroplasty problem
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Metal-on-metal THA: Early registry observation
4-Apr-19 3 Insert > Header & footer
20 months registry observation
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The metal-on-metal problems
Data from Dutch, Danish and Australian registries per 1-1-2012made these 3 countries to stop implanting metal-on-metal implants
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I exaggerate to clarify the difficulty
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Advantages registry (Big Data) vs RCT:
• Large materials – “statistical power”• Uncommon diagnoses, complications• Uncommon techniques, devices• Ability to avoid “performance bias”• Follow-up length• Costs
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www.EFORT.org/NORE
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Largest registries - number THA + TKA
4-Apr-19 12 Insert > Header & footer
DATA >3 millionTHA & TKA procedures
>1.2 million
>700.000
>500.000
>700.000
Dutch Arthroplasty Register
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Current orthopaedic registries mainly on:
• Joint replacement implants
• Trauma (fractures)
• Pelvic osteotomies
• ACL reconstruction
Annual orthopaedics implantsused in patients in Europe:
• App 2.2 mill
• Orthopaedics and cardiologists• app. 50 % (Biomed Alliance)
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Requirements to National Clinical Databases
The MAIN goal of a clinical database is always
To improve the quality of treament and safety for our patients
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• To facilitate continuous improvement of the outcome following primary and revisionsurgery both at a national and local level by evaluating:
• Patient related risk factors• Surgical technique related risk factors• Prophylactic and operation theatre related factors• Implant related risk factors
• Early warning
• To examine the epidemiology of total THA, including both primary and revisions surgery
• To link data from the registry to other national databases
The objective of the registry (THA)
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Registries to Improve healt costs and service• Health costs
• Reduce costs• More / better treatment for same
costs
• Orthopaedic services• Improve outcomes
• Less revisions• Better PROMs• Safe implants
• Collect data – analyse – recommendations – record changes
• Remove / reduce outliers from the marked
• Focus on poor performing clinics / surgeons -> feed-back
• Focus on patients characteristics and its impact on outcome
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National databases: I.e. Denmark
Unique civil registration number
Orthopaedic databases:Danish Hip Arthroplasty
Registry (DHR)
Danish National Registry of Patients (NRP)
Danish National Drug Prescription Database(NDPD)
Danish Civil Registration System
Integrated Database for Labour Market Research
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Mandatory for registers
• Coverage: Goal is 100%
Number of units/departments reporting to DHR x 100%_____________________________________________________
Number of units/departments reporting to the central registry in Denmark
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Mandatory for registers
• Completeness: Goal is > 90% (95%)
Number of THA in DHR x 100%_____________________________________
Number of THA i DHR and / or central register (CR)
What is important about those not reported?
No bias in reporting: No systematic missing data
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Mandatory for registers
• Valid data = data must be validated
A. B. Pedersen, S. P. Johnsen, S. Overgaard, K. Søballe, H. T. Sørensen and U. Lucht. Registration in the Danish HipArthroplasty Registry. Completeness of total hip arthroplasties and positive predictive value of registered diagnoses andpostoperative complications. Acta Orthop Scand 2005; 75 (4): 434-441.
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Registry data and examples of major impact
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Potentials by using National Databases
• Single implants – and compare to other similar implants• Product line (i.e. cemented femoral stems)• Institution / hospital• Single surgeon• National results – compared to other nations• Patient characteristics
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Fig. 4 Survivorship curves (with 95% confidence intervals) for total hip arthroplasty implants in the United States, Sweden,and Norway.
Kurtz S. M. et.al. J Bone Joint Surg 2007:89:144-151
saving 1 billion SEK in 7 yearscompared to revision rate in USA
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THA 1-year revision in a XX hospitalCUSUM of 1-yr revision rate THA2011-2015 in a random hospital:
Good:Observed - expected =0
Observed 1-yr revision ratehigher than expected not goodWHY did this happen? startusing new/other prosthesis(learning curve)
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Manage outliers
• ‘Passive’ Approach• (i.e. Reports National Registries)
4-Apr-19 26 Insert > Header & footer
Dutch Arthroplasty Register
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4-Apr-19 28 Insert > Header & footer
mean number primary THA per type cemented acetabular component 2010-2013
All types cemented acetabular components: Revision within 1 yrThe Netherlands 2010-2013
Why Outlier?
Dutch Arthroplasty Register
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Dutch Arthroplasty register: 79.689 TKA, 98 hospitals2010-2013: revision per 1 yr: 0.9%
mean
Why Outliers?
mean number primary TKA per hospital 2010-2013
www.LROI.nlOutliers in Revision ?
Dutch Arthroplasty Register
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Why Identify Outcome databasesOutlier?
• Transparency:• Inform surgeons• Re-assure patients• Show Quality
FOCUS on CHANGE
FOCU
S on
DAT
A
IMPROVEPATIENT
OUTCOME
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Data from large databases the most valuable wayto make sure we use safe and proven implants
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Safe implants: Total hip arthroplasty andimpact from European Registries
• Orthopaedic surgeons want to use safe implants, to improve the quality oflife for many years for our patients.
• The quality of implants is already very good, why new implants should beinvestigated independently and compared with successful implants beforethey are introduced to the market.
• Registries on total hip and total knee replacements, which have beenstarted in the early years by orthopaedic surgeons (initially in theScandinavian Countries), have shown to detect early if an implant isinferior.
• Therefore, registries should be used as post-marketing tool of newimplants, which in previous research seem to be promising.
• Registries may also be used to compare hospitals with each other to inspireand stimulate them to become better.
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Main Theme: Registries & Impact on Practice
Patient selection, Implant selection Implant survival, Prediction of outcome Value based healthcare, Revision rate Patient safety, Quality improvement Patient reported outcome Patient involvement
20th EFORT Annual Congress Lisbon ,June 5-7, 2019– Main Theme
20th EFORT ANNUAL CONGRESS LISBON 2019 MAIN THEME: REGISTRIES & IMPACT ON PRACTICE
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Thank you for your attention
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Requirements Danish National Clinical DatabasesGovermental decision
• Definition of 5-10 relevant indicators
• Quality of the treatment• Prognosis of the treatment• Specific for each unit/department
Indicators have to be approved by thedoctor/surgeons and health authorities
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• RCT – difficult or impossible• RSA-studies!
• prospective observational studies (Big Data, registry studies)
how do we get evidence in the field of TJRsurgery?
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Indicators
1. Completeness2. Blood transfusion within 7 days3. Complications during surgery4. Implant survival5. Reoperation within 2 years6. Readmittance within 3 months
• monitor treatment quality ?• monitor prognosis of the treatment ?• each specific unit/department ?
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Survival TKA in the NetherlandsMajor 1-yr revision per hospital
Major revision: revision of at least one of the fixed components (tibia or femur)
Same hospital A with 1-year majorrevision rate
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The metal on metal problems
The NOV released a moratorium per 1-1-2012with the advice to stop inplanting metal on metal implants
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Adverse Events:
• Revision < 1 yr, 3 yr, 7 yr• Hip dislocation < 1 yr• DVT / Pulmonary emboli < 30 days• Acute Myocardial infarction / CVA < 30 days• Renal disease < 30 days• Death
One surgeon all cases
MacPherson G et al JBJSAm 93A Supp3E 2011 81-88
Scotland: Outliers on Adverse Events
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Scotland: Ouliers on adverse eventsAnnual report
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Registries with maximum validity
• Unique civil registration number• High coverage (100%)• High completeness (> 95%)• Data validated
• Confounders• Different outcomes between registries
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Development of the LROI
2007 2013
2007: Startregistrationhip and knee
Motivate hospitals forparticipation
Publication 1st
annual report
2008 2009 2010 2011 2012
• Advice to measure PROMs• Registration of ankle, shoulder
and elbow arthroplasties• Casemix
2014
• Validation• PROMs implementation• Patiënt information• Dashboard
2016
Publication1st scientificpublication
2015 2017
Registration ofwrist and finger
arthroplasties
2018
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Largest registries (consortium) number THA +TKA
4-Apr-19 54 Insert > Header & footer
DATA >3 millionTHA & TKA procedures
>1.2 million
>700.000
>500.000
>700.000
Dutch Arthroplasty Register
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Prebenchmark• 2 RSA
• 3
Benchmark• 5• 7• 10
Datasources• Registries:
• >85% coverage• >85% completeness primary & revision
• Registered trials
• Lost FUP 10% prebenchmark; 20% Benchmark
Benchmark value• A or star descriptor:
• Non-inferiority (i.e. lower value 95% CI)• B
• Mean value
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20th EFORT Annual Congress Lisbon 201905 - 07 June | Congress Center Lisbon CCL | Lisbon| Portugal
A few words on the Scientific Programme
20th EFORT ANNUAL CONGRESS LISBON 2019 MAIN THEME: REGISTRIES & IMPACT ON PRACTICE
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Lisbon – Travel around the world without leaving Lisbon!
20th EFORT ANNUAL CONGRESS LISBON 2019 MAIN THEME: REGISTRIES & IMPACT ON PRACTICE
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It is not the strongest of the species that survives, nor the mostintelligent.It is the one that is most adaptable to change.
Charles Darwin
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Thank you for your attention
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Fig. 4 Survivorship curves (with 95% confidence intervals) for total hip arthroplasty implants in the United States, Sweden,and Norway.
Kurtz S. M. et.al. J Bone Joint Surg 2007:89:144-151
saving 1 billion SEK in 7 yearscompared to revision rate in USA
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Key words in the talk: “Safe implants: Total hiparthroplasty and impact from European Registries”
• Safe implants; quality; registries; post-marketing investigated; totalhip replacement
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2006
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It is not the strongest of the species that survives, nor the mostintelligent.It is the one that is most adaptable to change.
Charles Darwin