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antithrombotics in thrombosis prevention for orthopedic surgery, clinical trials results

Acenocoumarol versus Nadroparin
Hamulyak, 1994
Acenocoumarol
versus
Nadroparin 60 anti-Xa IU /kg x1
THR or TKR (stratified)single blind
Follow-up duration: Day 10 ± 2
Acenocoumarol versus Reviparin
Samama, 2001
Acenocoumarol
versus
Reviparin 4200 anti-Xa IU x1
THROpen
Follow-up duration: 6 weeks
Acenocoumarol versus unfractionated heparin
van Geloven, 1977
Acenocoumarol
versus
UFH 4000 ·x2
THRdouble blind
Follow-up duration: NA
apixaban versus enoxaparin
ADVANCE 3, 2010
NCT00423319
apixaban 2.5mg twice daily for 35 days
versus
enoxaparin 40mg once daily for 35 days
patients undergoing elective total hip replacement surgerydouble blind
Follow-up duration: 35 days (+60)
21 countries
apixaban versus enoxaparin (europe regimen)
ADVANCE 2, 2010
NCT00452530
apixaban 2.5mg twice daily during 12 days
versus
enoxaparin 40mg once daily 12 days
patients undergoing elective unilateral or bilateral total knee replacementdouble blind
Follow-up duration: 12 days
27 countries
apixaban versus enoxaparin (US regimen)
APROPOS 2.5mg, 2007
NCT00097357
apixaban 2.5mg BID for 12 days
versus
enoxaparin 30mg twice daily for 12 days
patients undergoing elective total knee replacement surgerydouble blind
Follow-up duration: 12 days
ardeparin versus placebo
Levine, 1996
ardeparin 50/kgx2 +elastic stockings
versus
Placebo+elastic stockings
Kneedouble blind
Follow-up duration: 14 days
Aspirin versus no treatment
Pasteyer, 1977
Aspirin 1000mg daily + Hep
versus
control (Hep alone)
Elective orthopaedic surgery
Follow-up duration: 2 weeks
Rocha, 1986
Aspirin 250mg or 1000mg daily
versus
control (combination of heparin plus dihydroergotamine)
total hip replacementopen
Follow-up duration: 1 weeks
Aspirin versus placebo
Zekert-I , 1974
Aspirin 1500mg daily
versus
placebo
patients undergoing surgery of hip-joint proximal fracturesdouble-blind
Powers , 1976
A1300
versus
placebo
traumatic orthopaedic surgery
Erfurt-B , 1979
A1500
versus
placebo
traumatic orthopaedic surgerydouble-blind
aspirin versus placebo
PEP hip-fracture, 2000
aspirin 160mg/d started preoperatively and continued for 35 days
versus
placebo
patients undergoing surgery for hip fractureDouble blind
Follow-up duration: 35 days
Australia, New Zealand, South Africa,
Aspirin versus placebo
Stockholm-I, 1975
Aspirin 2000mg daily
versus
placebo
elective surgery of the hipdouble blind
Follow-up duration: 2 weeks
Harris-I, 1977
Aspirin 1200mg daily
versus
placebo
patients over 40 years of age, who had undergone total hip replacementdouble-blind
Follow-up duration: 1 weeks
McKenna-I, 1980
Aspirin 975mg or 3900mg daily
versus
placebo
total knee replacementdouble-blind
Follow-up duration: 2 weeks
Sautter, 1983
Aspirin 900mg daily + sulfinpyrazone
versus
placebo
patient with total hip replacement
Follow-up duration: 3 weeks
McBride, 1983
A1800+Dipyridamole
versus
placebo
Elective orthopaedic surgery
Follow-up duration: 1 weeks
aspirin + dipyridamol versus no treatment
Morris-B , 1977
Aspirin 900 mg daily + dipyridamole
versus
control
elderly patients with hip fracturesopen
Lyon-I, 1975
Aspirin 1500 mg daily + Dipyridamole
versus
control
Elective orthopaedic surgery
Follow-up duration: 2 weeks
aspirin + dipyridamol versus placebo
Encke-II , 1976
Aspirin 1500mg daily, Aspirin 990mg daily + dipyridamol
versus
placebo
patients with abdominal operations double-blind
Hamburg, 1976
A+Dipyridamole,A1000
versus
placebo
Elective orthopaedic surgery
Follow-up duration: 3 weeks
certoparine + DHE versus Unfractionated heparin
Haas , 1987
Sandoz +0.5mg DHE
versus
Unfractionated heparin
Elective hip
Lassen, 1989
certoparin 3000+0.5mg DHE x1
versus
placebo
Hip fracturedouble blind
Follow-up duration: 6 days
Lassen, 1988
certoparin 3000+0.5mg DHE, x1
versus
Placebo
Elective hipdouble blind
Follow-up duration: 6 days
compression stocking group versus control (on top fondaparinux)
Cohen (L8405), 2007
fondaparinux 2.5mg plus graduated compression stockings
versus
fondaparinux 2.5mg daily
patients undergoing elective or emergency hip surgeryopen
Follow-up duration: 42 days
Brazil, UK, Hong Kong, Spain
dabigatran 150mg versus enoxaparin
RE-NOVATE (150mg), 2007
NCT00168818
dabigatran etexilate 150 mg q.d. 28-35 days
versus
Enoxaparin 40 mg q.d. for 28-25 days
Total hip replacement double blind
Follow-up duration: 28-35 days, median 33d
Europe, Australia, South Africa
dabigatran 150mg versus enoxaparin (europe regimen)
RE-MODEL (150mg), 2007
dabigatran etexilate 150 mg q.d. for 6-10 days
versus
Enoxaparin 40 mg q.d. for 6-10 days
Total knee replacement double blind
Follow-up duration: 6-10 days, mean 8 days
Europe, Australia, South Africa
dabigatran 150mg versus enoxaparin (US regimen)
RE-MOBILIZE (150mg), 2008
dabigatran etexilate 150 mg q.d. for 12-15 days
versus
enoxaparin 30 mg SC BID after surgery for 12-15 days
Total knee replacement double blind
Follow-up duration: 12-15 days, median 14d
US, Canada, Mexico, UK
dabigatran 220mg versus enoxaparin
RE-NOVATE 2, 0
NCT00657150
dabigatran 220mg once daily for 28-35 Days
versus
enoxaparin 40mg subcutaneous once daily for 28-35 Days
patients undergoing total hip-replacement surgerydouble-blind
Follow-up duration: 28-35 days (mean 32d)
RE-NOVATE (220mg), 2007
NCT00168818
dabigatran etexilate 220 mg q.d. for 28-35 days
versus
Enoxaparin 40 mg q.d. for 23-35 days
Total hip replacementdouble blind
Follow-up duration: 28-35 days, median 33d
Europe, Australia, South Africa
dabigatran 220mg versus enoxaparin (europe regimen)
RE-MODEL (220mg), 2007
dabigatran etexilate 220 mg q.d. 6-10 days
versus
Enoxaparin 40 mg q.d. for 6-10 days
patients undergoing total knee replacementdouble blind
Follow-up duration: 6-10 days, mean 8 days
Europe, Australia, South Africa
dabigatran 220mg versus enoxaparin (US regimen)
RE-MOBILIZE (220mg), 2008
dabigatran etexilate 220 mg for 12-15 days
versus
Enoxaparin 30mg SC BID after surgery for 12-15 days
Total knee replacement double blind
Follow-up duration: 12-15 days, median 14d
US, Canada, Mexico, UK
dalteparin versus Dextran
Matzsch , 1991
dalteparin
versus
Dextran
Elective hip
Eriksson , 1988
dalteparin
versus
Dextran
Elective hip
Matzsch , 1988
dalteparin
versus
Dextran
Elective hip
dalteparin versus placebo
Jorgensen, 1989
dalteparin 5000 x1
versus
Placebo
Hip fracturedouble blind
Follow-up duration: 9 days
Torholm, 1991
dalteparin 5000x1
versus
Placebo
Elective hipdouble blind
Follow-up duration: 9 days
dalteparin versus Unfractionated heparin
Binsack , 1986
dalteparin
versus
Unfractionated heparin
Elective hip
Barre , 1987
dalteparin
versus
Unfractionated heparin
Elective hip
Dechavanne , 1989
dalteparin
versus
Unfractionated heparin
Elective hip
Eriksson , 1989
dalteparin
versus
Unfractionated heparin
Elective hip
Haas , 1985
dalteparin
versus
Unfractionated heparin
Elective hip
Monreal , 1989
dalteparin
versus
Unfractionated heparin
Hip
desirudin versus enoxaparin
Ericksson, 1997
desirudin 15mg SC twice daily for 8-12 days
versus
enoxaparin 40mg once daily for 8-12 days
Patients who undergo total hip replacementdouble blind
Europe
desirudin versus UFH
REVASC, 1997
desirudin 15mg twice daily
versus
unfractionated heparin 5000 IU three times a day
patients having a primary elective total hip replacement
Eriksson, 1996
recombinant hirudin, desirudin (CGP 39393) 10, 15, or 20 mg twice daily started just before surgery and continued for 8-11 days
versus
unfractionated heparin 5000 IU three times daily started just before surgery and continued for 8-11 days
patients undergoing elective hip surgerydouble blind
Europe
dipyridamol versus no treatment
Morris-A , 1977
dipyridamole
versus
control
elderly patients with hip fracturesopen
edoxaban versus enoxaparin (short duration)
STARS J-V, 0
NCT01181167
edoxaban 30 mg once daily for 11 to 14 days
versus
subcutaneous enoxaparin 2,000 IU, equivalent to 20 mg, twice daily (BID) for 11 to 14 days
total hip arthroplasty double-blind
japan
enoxaparin versus Dextran
DES Group , 1991
Enoxaparin
versus
Dextran
Elective hip
enoxaparin versus no treatment
Warwick, 1995
enoxaparin 4000x1 + elastic stockings
versus
no treatment + elastic stockings
Elective hipopen
Follow-up duration: 8-10 days
enoxaparin versus placebo
Kalodiki, 1996
enoxaparin 4000x1
versus
Placebo
Elective hipdouble blind
Follow-up duration: discharge (8-12 days )
Leclerc, 1991
Enoxaparin 3000 x2
versus
Placebo
Kneedouble blind
Follow-up duration: 14 days
Samama, 1997
enoxaparin 4000x1+elastic stockings
versus
Placebo+elastic stockings
Elective hipdouble blind
Follow-up duration: 8-12 days
Turpie, 1986
Enoxaparin 3000 x2
versus
Placebo
Elective hipdouble blind
Follow-up duration: 14 days or discharge
enoxaparin versus Unfractionated heparin
Levine , 1991
Enoxaparin
versus
Unfractionated heparin
Elective hip
Planes , 1988
Enoxaparin
versus
Unfractionated heparin
Elective hip
extended prophylaxis versus standard prophylaxis
PENTHIFRA–PLUS (Eriksson), 2003
25-31 days of fondaparinux 2.5-mg once-daily
versus
6-8 days of fondaparinux 2.5-mg once-daily
patients undergoing hip fracture surgerydouble blind
Follow-up duration: 19-23 days
Flurbiprofen versus no treatment
Mocris-C , 1977
Flurbiprofen
versus
control
elderly patients with hip fracturesopen
fluxum versus Unfractionated heparin
Chiapuzzo , 1988
Fluxum
versus
Unfractionated heparin
Elective hip
Pini , 1989
Fluxum
versus
Unfractionated heparin
Hip
fondaparinux versus enoxaparin
L8541, 0
fondaparinux 2.5mg subcutaneous once-daily for 7+/-2 days
versus
enoxaparin 40mg s.c. once-daily
chinese patients undergoing major orthopaedic surgery of the lower limbssingle-blind
Follow-up duration: 9 days (49d)
China
L8635, 0
Fondaparinux 2.5mg once daily subcutaneously for 7 days
versus
enoxaparin 40mg once daily SC for 7 days
Taiwanese patients undergoing elective knee replacementopen, blind assessment
Follow-up duration: 10 days
Taiwan
PENTAMAKS (Bauer), 2001
fondaparinux 2.5-mg once-daily subcutaneous, starting 6 hours after surgery
versus
enoxaparin 30mg twice daily (North america recommendation)
elective major knee surgerydouble blind
Follow-up duration: 11 days
North america
PENTHIFRA (Eriksson), 2001
fondaparinux 2.5-mg once-daily subcutaneous, starting 6 hours after surgery
versus
enoxaprin 40mg once daily
hip fracture surgerydouble blind
Follow-up duration: 11 days
21 countries
EPHESUS (Lassen), 2002
fondaparinux 2.5-mg once-daily subcutaneous, starting 6 hours after surgery
versus
enoxaprin 40mg once daily
elective hip replacement surgerydouble blind
Follow-up duration: 11 days (6 weeks)
16 European countries
PENTATHLON (Turpie), 2002
fondaparinux 2.5-mg once-daily subcutaneous, starting 6 hours after surgery
versus
enoxaparin 30mg twice daily (North america recommendation)
elective hip replacement surgerydouble blind
Follow-up duration: 11 days
USA, Canada, Australia
Turpie, 2001
pentasaccharide Org31540/SR90107A subcutaneous once daily at doses 0.75 mg, 1.5 mg, 3.0 mg, 6.0 mg, and 8.0 mg
versus
enoxaparin 30mg once daily subcutaneous
patients undergoing total hip replacementdouble blind
Follow-up duration: >15 days
US, Canada, Autralia
fondaparinux versus placebo
DRI4757, 0
fondaparinux subcutaneously at 0.75, 1.5, 2.5, and 3.0 mg for at least 10 calendar days, (with a maximum of 14 days)
versus
placebo
Japanese patients undergoing elective total knee replacement surgerydouble blind
Follow-up duration: 14 days
Japan
Hydroxychloroquine versus no treatment
Massachusetts-I , 1981
Aspirin 1200mg daily, Aspirin 1200mg daily + hydroxychloroquine 300 mg b.i.d.
versus
control
patients with upper femoral fractures open
Hydroxychloroquine versus placebo
Danish-A , 1976
Hydroxychloroquine sulphate
versus
placebo
patients with fractures of the hip, pelvis, or thoracolumbar spinedouble-blind
Danish-B , 1976
Hydroxychloroquine sulphate
versus
placebo
patients with fractures of the hip, pelvis, or thoracolumbar spine
Massachusetts-II, 1976
Hydroxychloroquine 600mg daily
versus
placebo
fractures or orthopaedic operations involving the skeleton between the knee and the pelvis
Follow-up duration: 3 weeks
Cooke, 1977
Hydroxychloroquine
versus
placebo
elective surgery on the hipdouble-blind
Follow-up duration: 2 weeks
Hume-A, 1977
Hydroxychloroquine
versus
placebo
total hip replacement
Follow-up duration: 2 weeks
Stockholm-II, 1981
Hydroxychloroquine
versus
placebo
total hip replacement
Follow-up duration: 2 weeks
nadroparin versus no treatment
Yoo, 1997
nadroparin 41/kgx1 days 1-3, 62/kg x1 days 4-11+elastic stockings
versus
no treatment
Elective hipopen
Follow-up duration: 10 days
nadroparin versus placebo
Sourmelis, 1995
nadroparin 3075x1 preop, 6150x1 post op
versus
Placebo
Hip fracturedouble blind
Follow-up duration: 10-12 days
nadroparin versus Unfractionated heparin
Leyvraz, 1991
Fraxiparin
versus
Unfractionated heparin
Elective hip
out of hospital Ardeparin versus standard prophylaxis
Heit, 2000
in hospital thromboprophylaxis followed by out of hospital Ardeparin 100 IU/kg once a day for a total duration of 42 days
versus
Ardeparin 50 IU/kg twice a day for 4-10 days
THR or TKR
out of hospital Dalteparin versus standard prophylaxis
Dahl, 1997
in hospital thromboprophylaxis followed by out of hospital Dalteparin 5000 IU once a day for a total duration of 35 days
versus
Dalteparin 5000 IU once a day for 7 days (dextran day 0 and day 1)
THR
Lassen, 1998
in hospital thromboprophylaxis followed by out of hospital Dalteparin 5000 IU once a day for a total duration of 35 days
versus
Dalteparin 5000 IU once a day for 7 days
THR
Hull, 2000
in hospital thromboprophylaxis followed by out of hospital Dalteparin 5000 IU once a day for a total duration of 35 days
versus
Dalteparin 5000 IU once a day or warfarin for 6 days
THR
out of hospital Enoxaparin versus standard prophylaxis
Bergqvist, 1996
in hospital thromboprophylaxis followed by out of hospital Enoxaparin 40 mg once a day for a total duration of 30 days
versus
Enoxaparin 40 mg once a day for 10-11 days
THR
Planes, 1996
in hospital thromboprophylaxis followed by out of hospital Enoxaparin 40 mg once a day for a total duration of 35 days
versus
Enoxaparin 40 mg once a day for 13-15 days
THR
Comp, 2001
in hospital thromboprophylaxis followed by out of hospital Enoxaparin 40 mg once a day for a total duration of 27-29 days
versus
Enoxaparin 30 mg twice a day for 7-10 days
THR or TKR
out of hospital Nadroparin versus standard prophylaxis
NPHDO, 1998
in hospital thromboprophylaxis followed by out of hospital Nadroparin weight-adjusted for a total duration of 37-38 days
versus
Nadroparin weight-adjusted for 16-17 days
THR
out of hospital UFH versus standard prophylaxis
Manganelli, 1998
in hospital thromboprophylaxis followed by out of hospital UFH 5000 IU three times a day for a total duration of 30 days
versus
UFH 5000 IU three times a day for 15 days
THR
Phenindione versus no treatment
Eskeland, 1966
Phenindione
versus
No treatment
HFSOpen
Follow-up duration: 3 months
Hamilton, 1970
Phenindione
versus
No treatment
HFSOpen
Follow-up duration: 3–10 months
RA233 versus placebo
Wood , 1973
RA233; Aspirin 600mg daily +RA233
versus
placebo
traumatic orthopaedic surgery
rivaroxaban versus enoxaparin
RECORD 1, 2008
NCT00329628
rivaroxaban 10mg once daily for 35 days
versus
enoxaparin 40mg subcutaneous once daily for 31-39 days
patients undergoing total hip arthroplastydouble blind
Follow-up duration: 36 days (range 30-42)
27 countries worldwide
rivaroxaban versus enoxaparin (europe regimen)
RECORD 3, 2008
NCT00361894
rivaroxaban 10 mg once daily for 10- 14 days
versus
enoxaparin 40 mg subcutaneous once daily for 10-14 days
patients undergoing total knee arthroplastydouble blind
Follow-up duration: 13-17 days
19 countries worldwide
rivaroxaban versus enoxaparin (short duration)
ODIXa-HIP 10mg, 2006
rivaroxaban 10mg daily for 5–9 days
versus
once-daily subcutaneous enoxaparin dose of 40 mg for 5–9 days
patients undergoing elective total hip replacementdouble blind
Follow-up duration: 5-9 days
Europe, Israel
rivaroxaban versus enoxaparin (US regimen)
ODIXa-KNEE, 2005
BAY 59-7939 5mg b.i.d. for 5–9 days
versus
enoxaparin 30 mg b.i.d. for 5–9 days
patients undergoing elective total knee replacement double blind
Follow-up duration: 5-9 days
North America
RECORD 4, 2009
NCT00362232
rivaroxaban 10mg once daily for 10 to 14 days
versus
enoxaparin 30 mg twice daily by subcutaneous injection for 10-14 days
patients who had undergone total-knee-replacement surgery double blind
Follow-up duration: 40 days
12 countries
rivaroxaban (long duration) versus enoxaparin (short duration)
RECORD 2, 2008
NCT00332020
extended thromboprophylaxis with rivaroxaban 10mg once daily for 31-39 days
versus
enoxaparin 40mg subcutaneous once daily for 10-14 days
patients undergoing elective total hip replacementdouble blind
Follow-up duration: 30-42 days
21 countries worldwide
semuloparin versus enoxaparin
SAVE-HIP1, 2012
NCT00697099
Semuloparin 20 mg once-daily
versus
Enoxaparin 40 mg once-daily
SAVE-KNEE, 2012
NCT00718224
Semuloparin 20 mg once-daily
versus
Enoxaparin 30 mg twice-daily
SAVE-HIP 2, 2012
NCT00721760
Semuloparin 20 mg once-daily
versus
Enoxaparin 40 mg once-daily
hip fracture surgery
SR123781A versus enoxaparin
DRIVE, 2008
NCT00338897
SR123781A for 5-10 days, doses ranging from 0.25 to 4.0 mg daily for 10 days
versus
enoxaparin 40 mg
patients undergoing total hip replacement surgerydouble blind
Follow-up duration: 5-10 days
12 countries
Ticlopidine versus placebo
McKenna-II, 1983
Ticlopidine
versus
placebo
Elective orthopaedic surgery
Follow-up duration: 2 weeks
Lyon-II, 3000
Ticlopidine
versus
placebo
Elective orthopaedic surgery
Follow-up duration: 3 weeks
Gardecki, 3000
Ticlopidine
versus
placebo
Elective orthopaedic surgery
Follow-up duration: 2 weeks
tinzaparin versus placebo
Lassen, 1991
tinzaparin 50/kg x1 +elastic stockings
versus
Placebo+elastic stockings
Elective hipdouble blind
Follow-up duration: 8-10 days
UFH versus no treatment
Bergqvist , 1979
UFH twice daily for 5 days
versus
no treatment
elective orthopedic surgery
Bergqvist, 1979
UFH twice daily for 5 days
versus
no treatment
traumatic orthopedic surgery
Dechavanne, 1974
UFH 3 times daily for 10 days
versus
no treatment
elective orthopedic surgery
Dechavanne, 1975
UFH 3 times daily for 10 days
versus
no treatment
elective orthopedic surgery
Galasko , 1976
UFH twice daily (duration unknown)
versus
no treatment
traumatic orthopedic surgery
Gallus , 1973
UFH 3 times daily for A
versus
no treatment
traumatic orthopedic surgery
Mannucci , 1976
UFH 3 times daily for 7 days
versus
no treatment
elective orthopedic surgery
Morris, 1974
UFH twice daily for 10 days
versus
no treatment
elective orthopedic surgery
Morris , 1977
UFH 3 times daily for 10 days
versus
no treatment
traumatic orthopedic surgery
VTCSG, 1975
UFH twice daily for 10 days
versus
no treatment
elective orthopedic surgery
Welin-Berger, 1982
UFH twice daily for 7 days
versus
no treatment
elective orthopedic surgery
UFH versus placebo
Abraham-Inpijn , 1975
UFH twice daily for 8 days
versus
placebo
elective orthopedic surgery
Hampson, 1974
UFH 3 times daily for 7- 10 days
versus
placebo
elective orthopedic surgery
Lahnborg, 1980
UFH twice daily for 10 days
versus
placebo
traumatic orthopedic surgery
Lowe , 1981
UFH twice daily for 16 days
versus
placebo
elective orthopedic surgery
Moskovitz, 1978
UFH 3 times daily for 7 days
versus
placebo
traumatic orthopedic surgery
Moskovitz, 1978
UFH 3 times daily for 7 days
versus
placebo
elective orthopedic surgery
Svend-Hansen, 1981
UFH 3 times daily for 14 days
versus
placebo
traumatic orthopedic surgery
Williams , 1978
UFH twice daily for 14 days
versus
placebo
elective orthopedic surgery
Xabregas , 1977
UFH twice daily for 14 days
versus
placebo
traumatic orthopedic surgery
Warfarin versus Ardeparin
RD Heparin, 1994
Warfarin
versus
Ardeparin 50 anti-Xa IU /kg or 90 anti-Xa IU /kg x1
THR or TKROpen
Follow-up duration: 3 months
Heit, 1997
Warfarin
versus
Ardeparin 25, 35, 50 anti-Xa U /kg x2
TKRdouble blind
Follow-up duration: Days 5–14
Warfarin versus Aspirin
Lotke, 1997
Warfarin
versus
Aspirin 325 mg x2
THR or TKR (stratified)Open
Follow-up duration: 6 months
Powers, 1989
Warfarin
versus
Aspirin 650 mg x2
HFSOpen
Follow-up duration: 3 months
Warfarin versus Dalteparin
Francis, 1997
Warfarin
versus
Dalteparin 5000 anti-Xa IU x1
THROpen
Follow-up duration: Day 7 ± 2
Hull, 2000
Warfarin
versus
Dalteparin 5000 anti-Xa IU x1
THRdouble blind
Follow-up duration: Day 6 ± 2
Warfarin versus Danaparoid
Gerhart, 1991
Warfarin
versus
Danaparoid 750 U x2
HFSOpen
Follow-up duration: 9 days
van Comp, 1998
Warfarin
versus
Danaparoid 750 U x2
THROpen
Follow-up duration: 3 months
Warfarin versus Dextran
Harris, 1972
Warfarin
versus
Dextran 40
THROpen
Follow-up duration: NA
Barber, 1977
Warfarin
versus
Dextran 70
THROpen
Follow-up duration: 11–14 days
Francis, 1983
Warfarin
versus
Dextran 40
THR or TKR (stratified)Open
Follow-up duration: 5–7 days
Myrhe, 1969
Warfarin
versus
Dextran 70
HFSdouble blind
Follow-up duration: 3 weeks
Warfarin versus Enoxaparin
Leclerc, 1996
Warfarin
versus
Enoxaparin 30 mg x2
TKRdouble blind
Follow-up duration: 6 months
Colwell, 1999
Warfarin
versus
Enoxaparin 30 mg x2
THROpen
Follow-up duration: 3 months
Fitzgerald, 2001
Warfarin
versus
Enoxaparin 30 mg x2
TKROpen
Follow-up duration: 3 weeks
Warfarin versus Intermittent pneumatic compression
Francis, 1992
Warfarin
versus
IPC
THROpen
Follow-up duration: 6–8 days
Paiement, 1987
Warfarin
versus
IPC
THROpen
Follow-up duration: 12 days
Bailey, 1991
Warfarin
versus
IPC
THROpen
Follow-up duration: 5–7 days
Kaempffe, 1991
Warfarin
versus
IPC
THR or TKR (stratified)Open
Follow-up duration: At least 2 months
Warfarin versus Logiparin
Hull, 1993
Warfarin
versus
Logiparin 75 anti-Xa IU /kg x1
THR or TKR (stratified)double blind
Follow-up duration: Day 14 or discharge
Warfarin versus no treatment
Pinto, 1970
Warfarin
versus
No treatment
Hip surgeryOpen
Follow-up duration: > 3 weeks
Hume, 1973
Warfarin
versus
No treatment
THROpen
Follow-up duration: Discharge
Morris, 1976
Warfarin
versus
No treatment
HFSOpen
Follow-up duration: 3 months
Powers, 1989
Warfarin
versus
No treatment
HFSOpen
Follow-up duration: 3 months
Warfarin versus placebo
Myrhe, 1969
Wwarfarin
versus
Placebo
HFSdouble blind
Follow-up duration: 3 weeks
Warfarin versus Sudoxicam
Hume, 1973
Warfarin
versus
Sudoxicam
THRsingle blind
Follow-up duration: Discharge
Warfarin versus unfractionated heparin
Hume, 1973
Warfarin
versus
UFH 5000 x3
THROpen
Follow-up duration: Discharge
Barber, 1977
Warfarin
versus
UFH 5000 x2
THROpen
Follow-up duration: 11–14 days
ximelagatran versus Dalteparin
METHRO I, 2002
Melagatran 1–4 mg s.c. immediately before surgery, melagatran at 20.00 hours, then ximelagatran 6–24 mg orally b.d. for 6–9 days
versus
Dalteparin 5000 IU o.d., started evening before surgery for 6–9 days
adults undergoing hip or knee replacementopen
Follow-up duration: 6–9 days
Swedish
METHRO II, 2002
Melagatran 1–3 mg s.c. immediately before surgery,melagatran same day, then ximelagatran 8–24 mg orally b.d. for 7–10 days
versus
Dalteparin 5000 IU o.d., started evening before surgery for 7–10 days
undergoing hip or knee replacementdouble-blind
Follow-up duration: 7–10 days
ximelagatran versus Enoxaparin
Platinum (Colwell), 2003
Ximelagatran 24 mg orally b.d., starting at least 12 h after surgery for 7–12 days
versus
Enoxaparin 30 mg s.c. b.d.,starting at least 12 h after surgery for 7–12 days
adults undergoing hip replacementdouble-blind
Follow-up duration: 7–12 days
USA, Canada, Israel, Mexico,Argentina, South Africa
METHRO III, 2002
Melagatran 3 mg s.c. 4–12h after surgery, then ximelagatran24 mg orally b.d. for 7–10 days
versus
Enoxaparin 40 mg s.c. o.d. 12 h before surgery for 7–10 days
hip or knee replacementdouble-blind
Follow-up duration: 8–11 days
Europe, South Africa
Phase II (Heit), 2001
Ximelagatran 8, 12, 18 or 24 mgorally b.d., at least 12 h after surgery for 6–12 days
versus
Enoxaparin 30 mg s.c. b.d.,starting at least 12 h after surgery for 6–12 days
adults (age>18 years and weight at least 40 kg) undergoing knee replacementsdouble-blind
Follow-up duration: 6–12 days
North American
EXPRESS, 2003
Melagatran 2 mg s.c. up to 30 min before surgery, then melagatran 3 mg at least 8 hafter surgery, then ximelagatran 24 mg orally b.d. for 8–11 days
versus
Enoxaparin 40 mg s.c. o.d.,starting 12 h before surgery for 8–11 days
hip or knee replacementdouble-blind
Follow-up duration: 8–11 days
Europe

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