2017 Annual Report
The Japanese Society For Replacement Arthroplasty
The Japan Arthroplasty Register
2018/3/31
1
Summary
primary revision total male female unknown
THA 21456 1479 22935 4155 18733 47
TKA/UKA/PFA 25220 672 25892 5128 20720 44
Anatomical TSA 176 4 180 48 132 0
Reverse TSA 1394 69 1463 490 969 4
Record date : April 2017~March 2018
Primary : Age distribution
3
0
1,000
2,000
3,000
4,000
5,000
6,000
7,000
8,000
THAcases
age
0
2,000
4,000
6,000
8,000
10,000
12,000
14,000
TKA/UKA/PFAcases
age
0
10
20
30
40
50
60
70
80
90
30 40 50 60 70 80 90
Anatomical TSAcases
age
0
100
200
300
400
500
600
700
800
10 40 50 60 70 80 90
Reverse TSAcases
age
THA
4
DDH56.0%
OA24.2%
ION7.0%
Trauma4.7%
RA2.1%
The others5.3%
unknown0.8%
Primary Initial diagnosis
DDH44.7%
primary OA13.9%
Trauma10.3%
ION7.6%
RA3.4%
The others9.4%
unknown10.7%
Revision Initial diagnosis
anterior39.0%
lateral18.8%
posterior41.3%
The others0.1%
unknown0.8%
Approach
cement6.7%
Hybrid12.5%
cementless80.4%
unknown0.5%
Cement/Cementless
THA
5
ALAC+53.0%
ALAC-46.9%
unknown0.2%
Antibiotic loaded cement(ALAC)
Bone grafting +
31.1%
Bone grafting -
67.9%
unknown1.1%
Bone grafting
Navi +11.7%
Navi -87.4%
unknown0.9%
Navigation
MIS46.4%
Non-MIS52.6%
unknown1.0%
MIS
cement84.4%
Hybrid5.5%
cementless9.9% unknown
0.1%
TKA/UKA/PFA
6
OA89.5%
RA5.3%
ION3.6%
Trauma0.4%
Charcot's joint0.1%
The others0.5%
unknown0.6%
Primary Initial diagnosis
OA76.9%
RA12.7%
ION1.9%
Trauma0.9%
The others1.5%
unknown6.1%
Revision Initial diagnosis
para-patella66.0%
mid-vastus22.0%
sub-vastus6.2%
QS1.8%
lateral0.7%
The others3.2%
unknown0.1%
Approach Fixation
TKA/UKA/PFA
7
replace53.1%
No replace46.7%
unknown0.2%
Patella replacement
Navi +14.1%
Navi -85.3%
unknown0.6%
Navigation
MIS24.5%
Non-MIS75.2%
unknown0.3%
MIS
MIS63.3%
Non-MIS36.4%
unknown0.3%
MIS(UKA)
cement11.7%
Hybrid73.9%
cementless13.9%
unknown0.6%
Anatomical TSA
8
primary OA78.6%
RA7.7%
Fracture sequelae
3.3%
ION3.3%
Proximal humeral fracture
2.2%
Massive rotator cuff tear
0.5%
The others2.7%
unknown1.6%
Primary Initial diagnosis
Deltopectoral99.4%
Anterosuperior0.6%
Approach
Fixation
cement7.4%
Hybrid24.6%
cementless67.3%
unknown0.6%
Reverse TSA
9
CTA45.5%
Massive rotator cuff
tear24.2%
Proximal humeral fracture10.1%
primary OA6.9%
RA4.3%
Fracture sequelae
3.6%
ION0.9%
The others4.4%
unknown0.1%
Primary Initial diagnosis
Deltopectoral92.4%
Anterosuperior6.5%
The others0.5%
unknown0.6%
Approach
Fixation
Causes of revision
10
aseptic loosening (acetabulum) 376aseptic loosening(femur) 219Infection 205Polyethylene wear 175Osteolysis(acetabulum) 149Osteolysis(femur) 107Implant breakage(acetabulum) 101Implant breakage(femur) 22Fracture(acetabulum) 19Fracture(femur) 128Dislocation・instability 260The others 131
THA
(n=1479 multiple answers allowed)
loosening(femur) 127loosening(tibia) 179loosening(patella) 5Infection 204Polyethylene wear(tibia) 55Polyethylene wear(patella) 5Implant breakage(femur) 3Implant breakage(tibia) 14Implant breakage(patella) 2Trauma 23Dislocation・instability 98Excursion restrictions 23The others 89
TKA/UKA/PFA
(n=672 multiple answersallowed)
Causes of revision
11
loosening(humerus) 0loosening(shoulder blade) 0Infection 0Dislocation・instability 0Implant breakage(humerus) 0Implant breakage(shoulder blade) 2Polyethylene wear(humerus) 0Polyethylene wear(shoulder blade) 0Trauma 0Excursion restrictions 1The others 1
Anatomical TSA
(n=4 multiple answersallowed)
loosening(humerus) 4loosening(shoulder blade) 6Infection 6Dislocation・instability 20Implant breakage(humerus) 2Implant breakage(shoulder blade) 1Polyethylene wear(humerus) 0Polyethylene wear(shoulder blade) 0Trauma 0Excursion restrictions 20The others 27
Reverse TSA
(n=69 multiple answersallowed)
Implant companies
12
THA Acetabulum
Maker’s name
Zimmer Biomet 31.46%
Stryker 18.42%
Kyocera 16.71%
Depuy Synthes 10.25%
Smith&Nephew 6.67%
B.Braun Aesculap 4.82%
MicroPort Orthopedics 2.61%
Lima 2.02%
ORTHO DEVELOPMENT 1.47%
Teijin Nakashima Medical 1.14%
ADLER ORTHO 1.10%
Medacta 1.09%
MATHYS 1.00%
Corin 0.97%
Exactech 0.16%
THA Stem
Maker’s name
Zimmer Biomet 37.32%
Stryker 20.60%
Kyocera 18.11%
Depuy Synthes 7.66%
Smith&Nephew 5.29%
B.Braun Aesculap 4.29%
Teijin Nakashima Medical 1.69%
ORTHO DEVELOPMENT 1.24%
MicroPort Orthopedics 1.06%
Medacta 0.80%
Corin 0.68%
Lima 0.66%
ADLER ORTHO 0.45%
Implant companies
13
maker’s name
Zimmer Biomet 47.15%
Stryker 18.41%
Depuy Synthes 12.20%
Smith&Nephew 7.90%
Kyocera 4.88%
MicroPort Orthopedics 2.29%
Teijin Nakashima Medical 1.90%
ORTHO DEVELOPMENT 1.52%
Medacta 1.21%
B.Braun Aesculap 0.92%
Exactech 0.92%
Senko Medical Instrument Mfg(Mera) 0.36%
ADLER ORTHO 0.32%
TKA/UKA/PFA
maker’s name
Tornier 43.58%
Zimmer Biomet 25.70%
Depuy Synthes 15.64%
Lima 13.97%
Anatomical TSA
maker’s name
Zimmer Biomet 45.18%
Tornier 30.17%
Depuy Synthes 10.96%
Lima 8.52%
Exactech 5.17%
Reverse TSA
0
5000
10000
15000
20000
25000
30000
2011 2012 2013 2014 2015 2016 2017
THA
TKA/UKA/PFA
Anatomical TSA/Reverse TSA
Number of Registrations
14
fiscal year
cases
Number of hospitals
15
Year Numbers
2006 10
2007 1
2008 58
2009 14
2010 11
2011 2
2012 34
2013 28
2014 93
2015 411
2016 403
2017 554
2018 32
total 1651 April 30, 2018