depuy asr pmcf studies
DESCRIPTION
This is clinical trial data which recently became public during a product liability trial. DePuy ASR hip implants are one of the largest medical device failures in recent history.TRANSCRIPT
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DePuy PMCF Studies
US ASR XL DOTS Registry
14 centres
I 455 hips (ASR XL implanted FEB 2006 - JAN 2010)
I Gender: Male 204 hips; Female 251 hips
I Mean follow-up 2.23 years (range 0.0 - 5.12 years)
38 revision (8.4%)
APPEARED TO BE HYPERSENSITIVITY TO THE METAL 1 INFECTION 5
ASEPTIC LOOSENING 7 METAL ON METAL WEARASR 1
ASR 1 METAL ON METAL WEAR REVISED CUP 1
ASR METAL METAL DISEASE 2 METAL SENSITIVITY 1
ASR RECALL 2 NON SPECIFIED 2
DISLOCATION 2 PAIN, FLUID COLLECTION, HIGH ION LEVELS 1
ELEVATED BLOOD COBALT/CHROMIUMLEVELS 2 PAIN/STIFFNESS 3
FAILED DEPUY ASR HIP 2 PERIPROSTHETIC FRACTURE 1
IMPLANT FAILURE 1 POST-OPDISLOCATIONDUE TO FALL 1
IMPLANT FRACTURE 1 SQUEAKING & PAIN ASRHIP 1
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DOTS ASR·XL THA Survivorship Kaplan-Meier Survivorship
Event=Failure Any Reason (N=455)
100---~_~~
Q) 80 16 E 70
m 60
10) 50 .~ -.....-_----.......------.......-_ ........ ::J 0.0 0.5 1.0 1.5 2.0 2.5 3.0 3.5 4.0 4.5 5.0 5.5 6.0 rj)
Time (Years) treatment - I
SAS/Macros SUl1ivorship.sas . Run on Ftiday, 16SEP20 11, at 07:30
• Survival Estimate at 4.57 Years is 64.2 %.
• Survival 95% Lower Confidence Level: 50.46 %
• Survival 95% Upper Confidence Level: 75.68 %
• # of Hips at risk at 4.57 Years is 20.
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DOTS ASR·XL THA Survivorship Kaplan -Meier Survivorship Across Time
Survival Estimate 100.0 99.8 99.8 98.7 98.4 97.1 92.8 90.5 87.2 70.5
Lower 95% Confidence Limit 100.0 98.2 98.2 96.7 96.2 94.2 88.6 85.7 81.3 58.0
Upper 95% Confidence Limit 1000 1000 100.0 99.5 99.3 98.5 95.5 93.8 91.4 79.8
Hips Remaining 455 356 323 288 263 215 173 138 80 28 <20
Cumulative Hips Revised o 4 5 8 17 21 25 34 38
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DePuy PMCF Studies US 04062 ASR XL
9 centres
• 130 hips (ASR XL implanted NOV 2006 - DEC 2009)
• Gender: Male 70 hips; Female 60 hips
• Mean follow-up 2.63 years (range 0.06 - 4.76 years)
11 revision (8.5%)
MUSCULOSKELETAL 1
PAIN 1
ELEVATED COBALT LEVELS 1
GROIN PAIN 1
INFECTION 1
LOOSENING 1
METAL REACTION 3
METAL SENSITIVnY 1
PAIN 1
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100
~ ~ ....... 90
Q) 80 10 E 70
~ 60 -~ 50 .~
:l 0.0 00
0.5
04062 ASR-XL THA Survivorship Kaplan-Meier Survivorship
Event=Failure Any Reason (N=130)
L.."
I I I
1.0 1.5 2.0 2.5 3.0 3.5
Tme (Years)
treatment -I
I
4.0
SASlMacros Survivorship.sas -Run on Friday, 16SEP2011, at 07:31
• Survival Estimate at 3.92 Years is 91.59 %.
• Survival 95% Lower Confidence Level: 81.16 %
• Survival 95% Upper Confidence Level: 96.37 %
• # of Hips at risk at 3.92 Years is 20.
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04062 ASR-XL THA Survivorship Kaplan -Meier Survivorship Across Time
Survival Estimate 100.0 99.2 99.2 99.2 99.2 96.8 94.1 91.6
Lower 95% Confidence Limit 100.0 94.4 94.4 94.4 94.4 90.3 86.3 81.2
Upper 95% Confidence Limit 1000 99.9 99.9 99.9 99.9 99.0 97.6 96.4
Hips Remaining 130 122 117 108 100 80 58 34 <20
Cmnulative Hips Revised o 1 3 567
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DePuy PMCF Studies US ASR XL DOTS Registry and 04062 ASR XL
23 centres
• 554 hips (ASR XL implanted FEB 2006 - JAN 2010)
• Gender: Male 256 hips; Female 298 hips
• Mean follow-up 2.23 years (range 0.0 - 5.12 years)
49 revision (8.8%)
APPEARED TO BE HYPERSENSITIVITY TO THE METAL ON METAL WEARASR METAL 1
METAL ON METAL WEAR REVISED CUP ASEPTIC LOOSENING 7
METAL REACTION ASR 1
METAL SENSITIVITY ASR METAL METAL DISEASE 2
NnJSCULOSKELETAL ASRRECALL 2
NON SPECIFIED DISLOCATION 2
ELEVATED BLOOD COBAL T/CHROMIUM LEVELS 2 NOT RECORDED
PAIN ELEVATED COBALT LEVELS 1
FAILED DEPUY ASR HIP 2 PAIN, FLUID COLLECTION, HIGH ION LEVELS
GROIN PAIN 1 P AINISTIFFNESS
IMPLANT FAILURE 2 PERIPROSTHETIC FRACTURE
INFECTION 6 POST-OP DISLOCATION DUE TO FALL
LOOSENING 1 SQUEAKING & PAIN ASR HIP
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2
2
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Q) 80 15 E ~ 70
~ 60
DOTS and 04062 ASR·XL THA Survivorship Kaplan-Meier Survivorship
Event=Failure Any Reason (N=554)
ta > 50~~ ______________ ~ __ ~~ __ ~~ __
~ ::J 0.0 0.5 1.0 1.5 2.0 2.5 3.0 3.5 4.0 4.5 5.0 5.5 6.0 (j)
Tme (Years)
treatment
SAS/Macros SUf'v1vorship.sas -Run on Friday, 16SEP2011, at 09:43
• Survival Estimate at 4.57 Years is 63.0 %.
• Survival 95% Lower Confidence Level: 50.22 %
• Survival 95% Upper Confidence Level: 73.41 %
• # of Hips at risk at 4.5 Years is 20.
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DOTS and 04062 ASR·XL THA Survivorship Kaplan -Meier Survivorship Across Time
Survival Estimate 100.0 99.6 99.6 98.8 98.5 96.8 92.7 90.3 86.6 65.6
Lower 95% Confidence Limit 100.0 98.3 98.3 97.1 96.7 94.3 89.1 86.1 81.1 53.3
Upper 95% Confidence Limit 100.0 99.9 99.9 99.5 993 98.2 95.2 93.3 90.6 75.3
Hips Remaining 554 451 413 370 339 276 220 163 88 27 <20
Cumulative Hips Revised o 2 2 5 6 11 22 27 32 45 49
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