Subject index: Volume 12, 1997

The Journal of Arthroplasty Vol. 12 No. 8 1997

Subject Index: V o l u m e 12, 1997

Abductor muscle avulsion after hip arthroplasty, 202 Absorptiometry, dual-energy x-ray of bone mineral density with stemless femoral implant, 373 of uncemented porous-coated femoral implants, 365 Acetabuloplasty as isolated revision, 719 Acetabulum bone-graft augmentation of, in hip arthroplasty, 503 computed tomography of periacetabular bone, 804 protrusion after hip arthroplasty, osteotomy for, 344 Age and properties of periacetabular bone, 804 American Association of Hip and Knee Surgeons abstracts from sixth annual meeting, 217 Amputation after knee arthroplasty, in antibody-mediated drug reaction, 350 Animal studies grafting affecting porous metal ingrowth, 451 stability of uncemented canine femoral components, 106 Antibiotics intravenous, in infected knee arthroplasty, 426 Anticoagulants preventing pulmonary embolism after knee arthroplasty, 180 Arthritis degenerative. See Osteoarthritis rheumatoid, of knee and arthroplasty with kinematic prosthesis, 913 cemented arthroplasty for patients 55 and younger, 49 trabecular bone stiffness in, 798 Arthroscopic treatment compared to arthroplasty in osteoarthritic knee, 465 in popliteus tendon dysfunction after knee arthroplasty, 353 Autotransfusions after joint arthroplasty, 511, 517

mineral density with stemless femoral implant, 373 periacetabular, computed tomography of, 804 remodefing agents in periprosthetic pseudosynovial membrane, 670 in femoral cortices after uncemented hip arthroplasty, 99 response in uncemented porous-coated femoral implants, 365 scintigraphy of hydroxyapatite-coated hip prostheses, 380 spacers of antibiotic-loaded cement in two-stage revision hip arthroplasty, 615, 709 symmetry of bilateral normal strains in femurs, 689 tibial trabecular stiffness in rheumatoid arthritis, 798 Bone grafts aflografts in revision knee arthroplasty, 896 effects on porous metal ingrowth, 451 in hip arthroplasty for acetabular deficiencies, 503 flying buttress acetabular graft, 706 harvesting of autogenous morcellized grafts, 704, 711 histology of allograft incorporation, 785 impaction femoral allografts cement mantle in, 759 with extended osteotomy, 863 massive early subsidence after, 535 Bupivacaine intra-articular, after knee arthroplasty, 546

Candida joint infection after knee arthroplasty, 825 C parapsilosis in, and fluconazole levels in synovial fluid, 950 Carbon-fiber femoral component early failure in hip arthroplasty, 356 Cardiovascular fitness after hip arthroplasty, 84 Cement acrylic, antibiotic-loaded, in revision hip arthroplasty, 615, 709 affecting properties of periprosthetic tissue, 670 mantle deficiencies decreased with distal centralizing device, 434 mantle in femoral impaction allografting, 759 strains near femoral component tip, 40 Centralizing device, distal in hip arthroplasty, 434 Ceramic hip arthroplasty wear of polyethylene acetabula with alumina fenmral heads, 119 Cerdage techniques comparison of, 772 Collared femoral components compared to collarless, in cementless hip arthroplasty, 273 Compartment syndrome in thigh after knee arthroplasty, 835 Computed tomography of periacetabular bone, 804 and three-dimensional morphology of proximal femur, 444 Connective tissue activation markers of, 695

Bi-Metric hip arthroplasty femoral cortical remodeling after, 99 Biomechanics after k n e e arthroplasty after bilateral procedure, 168 patellofemoraI design affecting, 243 Bipolar hip prostheses polyethylene debris in, compared to total hip implants, 32 Blood loss in k n e e arthroplasty tourniquet use affecting, 291 Blood transfusions postoperative autotransfusion after joint arthroplasty, 511, 517 Bone appositional index for press-fit femoral endoprostheses, 930 ingrowth in porous-coated canine implants femoral components in, 106 grafts affecting, 451 ingrowth in porous-coated tibial componelrts, 920 interface with m e m b r a n e in loosening of joint arthroplasties, 461

951

952

The Journal of Arthroplasty Vol. 12 No_8 December 1997

Cruciate ligament, posterior effects of sacrifice or retention in knee arthroplasty, 297, 54I and kinematics of mobile bearing prostheses, 777 recession in knee arthroplasty, 70 retention in knee arthroplasty affecting femoral rollback, 553, 869 in Press-Fit Condylar arthroplasty, 603

Gait analysis after knee arthroplasty in bilateral procedure, 168 patellofemoral design affecting, 243

Genesis Total Knee Arthroplasty System follow-up study of, 91

Goniometer intramedullary, in knee arthroplasty, 332

Cytokines in periprosthetic pseudosynovial membrane, 670

Debridement arthroscopic, compared to arthroplasty in osteoarthritic knee, 465 and irrigation in infected knee arthroplasty, 426

Delamination wear in condylar knee prostheses, 281

Dislocation of hip and subtrochanteric femoral shortening osteotomy in arthroplasty, 880

Drainage suction systems after joint arthroplasty, 317

Drug reaction from heparin, and amputation after knee arthroplasty, 350

Embolism, pulmonary fatal, after knee arthroplasty, 599 prevention with warfarin after knee arthroplasty, 180 Erratum, 234

Exercise and cardiovascular fitness after hip arthroplasty, 84

Exeter femoral stem in patients with small femurs, 267

Exeter impaction allografting femoral, cement mantle in, 759

Expectations of patients in hip arthroplasty, 387

Femur cortical remodeling after uncemented arthroplasty, 99 cortical strain with slotted femoral stems, 657 impaction grafting in revision surgery cement mantle in, 759 extended osteotomy with, 863 subsidence after, 535 nonsurgicaI management of supracondylar fracture above-knee arthroplasty, 830 osteolysis after low-friction arthroplasty, 624 osteonecrosis of head, cementless arthroplasty in, 683 osteotomy of. See Osteotomy, femoral periprosthetic supracondylar fractures, 596 proximal, three-dimensional morphology of, 444 resurfacing of head for osteonecrosis, 736 rollback in knee arthroplasty with posterior cruciate ligament retention, 553, 869 small, and use of cemented Exeter implants, 267 subtrochanteric stress fracture after knee arthroplasty, 580 symmetry of bilateral normal strains in, 689

Fibroblasts in aseptic hip prosthesis loosening, 695 in periprosthetic pseudosynovial membrane, 670

Fluconazole therapy synovial fluid leveIs in Candida parapsilosis joint infection, 950

Fluoroscopic analysis of knee arthroplasty function, 297

Food and Drug Administration medical device reports, 765

Fractures intra-articular tibial plateau stress fracture with valgus knee deformity, 635 subtrochanteric stress fracture after knee arthroplasty, 580 supracondylar, after knee arthroplasty nonsurgical management of, 830 periprosthetic, 596

Frozen section for synovial tissue examination, 64

Harris-Galante prostheses Porous, femoral stem evaluation in, 185 type I, three-dimensional polyethylene wear in, 256 type II acetabular cup, third-body wear in, 586 uncemented acetabular cup, migration of, 889

Heparin-induced thrombocytopenia and amputation after knee arthroplasty, 350

Hip arthroplasty abductor muscle avulsion after, 202 acetabular protrusion after, osteotomy for, 344 aseptic loosening of bone-membrane interface in, 461 markers of connective tissue activation in, 695 assessment with visual analog scale, 416 bilateral pelvic osteolysis with McKee-Farrar prostheses, 819 bone-graft augmentation of acetabulum in, 503 causes of death after, 397 cemented and cement strains near femoral component tip, 40 Exeter implant in small femurs, 267 follow-up study of, 479 cementless acetabular cup geometry in, 207 and bone mineral density with stemless femoral implant, 373 collared versus cofiarless femoral components in, 273 dual-energy x-ray absorptiometry studies, 365 early failure of carbon-fiber femoral component in, 356 femoral component dislodged through buttock, 589 femoral cortical remodeling after, 99 femoral revision with modular titanium alloy stem, 194 inadequate polyethylene thickness causing osteolysis, 305 Integral porous femoral stem in, 250 migration of Harris-Galante acetabular cup in, 889 and osteolysis around Moore prosthesis, 346 in osteonecrosis ot femoral head, 683 in patients 50 years old or younger, 853 polyethylene wear in press-fit prosthesis, 256 in revision surgery, evaluation of femoral components in, 839 Scandinavian study of Porous Coated Anatomic implant, 133 slotted femoral stem in, 657 stability of canine femoral components in, 106 third-body wear in, 586 unsatisfactory results with modular femoral stem, 490 closed wound drainage after, 317 collection of surgical specimens in, 60 distal centralizing device in, 434 effects on cardiovascular fitness, 84 FDA medical device reports, 765 feasibility affected by declining hospital reimbursements, 526 flying buttress acetabular bone graft in, 706 follow-up telephone calls after questionnaires on, 340 46-year survival of Sm~th~Petersen mold prosthesis, 584 Harris-Galante porous femoral stem in, 185 harvesting of autogenous morcellized bone graft in, 704, 711 heterotopic ossification prevented with indomethacin, 126 histology of allograft bone incorporation in, 785 h u m a n postmortem retrieval of, 562 hybrid, in younger patients, 646 leg-length inequality after, 359 and loosening of proximal femoral cemented endoprostheses, 741 low-friction, femoral osteolysis after, 624 measurement of outcome after, 639 polyethylene debris in bipolar versus total implants, 32 polyethylene liners for metal-backed acetabular cups, 25 postoperative blood salvage and reinfusion in, 511 postoperative dupIex scanning in, 310

Subject Index 953 properties of periprosthetic tissues in, 670 quality of life after, 21 revision and cement mantle in femoral impaction allografting, 759 cenrentless Anatomic Porous Replacement Revision Hip System in, 403 cementless modular titanium alloy femoral stem in, 194 early subsidence after femoral impaction grafting in, 535 evaluation of cementless femoral components in, 839 implant stability in, 863 isolated acetabulopla sty in, 719 migration of hydroxyapatite-coated cups in, 904 in Paget's disease, 591 two-stage procedure with interval spacers in, 615, 709 vastus-psoas release in, 568 waiting list policy for, 1 scintigraphy of hydroxyapatite-coated prostheses in, 380 in sickle-ceil disease, 420 Stanmore, follow-up of, 728 subtrochanteric femoral shortening osteotomy in, 880 synovial tissue examination by frozen section, 64 and three-dimensional morphology of proximal femur, 444 titanium alloy press-fit femoral endoprostheses in, 930 and tumors around implants, 812 wear of implant with titanium nitride coating, 938 wear of polyethylene acetabula with almnina femoral heads, 119 Hospitals declining reimbursements affecting feasibility of hip arthroplasty, 526 patient volume related to mortality rates, 235 Hyaluronic acid as marker of connective tissue activation, 695 Hydroxyapatite-coated hip implants in cementless revision, 403 and femoral cortical remodeling in uncemented arthroplasty, 99 migration and wear of press-fit cups, 904 scintigraphy of, 380 Impaction allografting, femoral cement mantle in, 759 with extended osteotomy in revision hip arthroplasty, 863 massive early subsidence after, 535 Indomethacin preventing heterotopic ossification, 126 Infection candidiasis after knee arthroplasty, 825 and synovial fluid levels of fluconazole in Candida parapsiIosis treatment, 950 and closed w o u n d drainage after joint arthroplasty, 317 in hip arthroplasty, and two-stage revision with interval spacer, 615 in knee arthroplasty irrigation and debridement in, 426 and tissue expansion for revision, 47I, 475 and synovial tissue examination by frozen section, 64 Interlenkins IL-Ifl as marker of connective tissue activation, 695 in periprosthetic pseudosynovial membrane, 670 IL-6 in periprosthetic pseudosynovial membrane, 670 Irrigation and d e b r i d e m e n t in infected knee arthroplasty, 426 Joint Commission on Accreditation of Healthcare Organizations regulations on surgical specimens, 62 Joint position sense knee arthroplasty affecting, 541 Kinematic prosthesis in knee arthroplasty in rheumatoid arthritis, 913 Kinematics in assessment of prosthetic knees, 297 in mobile bearing knee arthroplasties, 777

Knee osteoarthritis of. See Osteoarthritis, of knee rheumatoid arthritis of and arthroplasty with Kinematic prosthesis, 913 and cemented arthroplasty for patients 55 and younger, 49 trabecular bone stiffness in, 798 Knee arthroplasty accuracy of femoral intramednllary guides in, 677 after failed proximal tibial valgus osteotomy, 635 antibody-induced thromboembolism in, 350 application of magnets in, 572 bilateral gait analysis after, 168 safety and efficacy of, 497 thigh pain after tourniquet use in, 848 b o n e - m e m b r a n e interface in aseptic loosening of, 461 Candida parapsilosis infection in, and fhiconazole levels in synovial fluid, 950 cemented, for patients 55 and younger, 49 cementless countersunk metal-backed patellas in, 149 survivorship of tibiaI components in, 75 l closed w o u n d drainage after, 317 collection of surgical specimens in, 60 comparison of joint position sense after, 541 compartment syndrome of thigh after, 835 and dynamic kinematics in vivo, 297 fatal puhnonary embolism after, 599 FDA medical device reports, 765 and femoral rollback in posterior cruciate ligamem-retaining procedure, 553, 869 functional influence of patellofemoral design in, 243 Genesis Total Knee Arthroplasty System in, 91 infected, irrigation and debridement in, 426 intra-articular morphine or bupivacaine for pain relief in, 546 intramedullary goniometer in, 332 with Kinematic prosthesis in rheumatoid arthritis, 913 kinematics of mobile bearing prostheses, 777 lateral release affecting patellar tracking and contact characteristics, 74 medialization of patellar component in, 155, 161 midvastus muscle-splitting approach in, 322 and nonsurgical m a n a g e m e n t of supracondylar fracture of femur, 830 pain after, 337. See also Pain after knee arthroplasty patellar retinacular tension in, 651 patellar tendon reconstruction after, 575 patellofemoral joint contact area in, 790 periprosthetic supracondylar fractures of femur in, 596 polyethylene wear in condylar prostheses, 281 popliteus tendon dysfunction after, arthroscopic treatment of, 353 posterior cruciate ligament in, 869. See also Cruciate ligament, posterior postmortem tibiaI component analysis, 920 postoperative blood salvage and reinfusion in, 511, 517 Press-Fit Condylar, follow-up evaluation of, 603 properties of periprosthetic tissues in, 670 pseudomeniscus after, pain in, 1 I4 revision after early failure of unicompartmental procedure, 11 Candida infection after, 825 cemented posterior-stabilized or constrained condylar prosthesis in, 896 cementless AGC prosthesis in, 55 tissue expansion in, 471,475 subtrochanteric stress fracture after, 580 synovial tissue examination by frozen section, 64 tourniquet use in related to blood loss and deep vein thrombosis, 291 thigh pain from, 848 unicompartmental cementless AGC revision of, 55 early failure of, 11 warfarin preventing pulmonary embolism in, 180

954

The Journal of Arthroplasty Vol. 12 No. 8 December 1997

Lateral retinacular release in knee arthroplasty effects of, 74 evaluation of tension in, 651 patellar tracking problems after, 155, 16 I Leg-length inequality after hip arthroplasty, 359 Letters to the Editor, 213, 716 Macrophages in aseptic hip prosthesis loosening, 695 in periprosthetic pseudosynovial tissue, 670 Magnets application in knee arthroplasty, 572 McKee-Farrar hip arthroplasty bilateral pelvic osteolysis with, 819 Metal-backed acetabular c u p s ultrahigh-molecular-weight polyethylene liners in, 25 Metal-backed patella countersunk, clinical results of, 149 in Press-Fit Condylar arthroplasty, 603 Metal-metal McKee-Farrar hip prostheses bilateral pelvic osteolysis with, 819 Migration of hydroxyapatite-coated cups in revision hip arthroplasty, 904 of uncemented Harris-Galante acetabular cup, 889 Moore prosthesis osteolysis around, 346 Morphine intra-articular, after knee arthroplasty, 546 Mortality rates and causes of death after hip arthroplasty, 397 related to hospital patient volume, 235 MOS 3 6 - I t e m Short-form Health S u r v e y after hip arthroplasty, 340 Muscle abductor muscle avulsion after hip arthroplasty, 202 midvastus muscle-splitting approach in knee arthroplasty, 322 vastus-psoas release in revision hip arthropIasty, 568 Nottingham Health Profile and quality of life after hip arthroplasty, 21 Orthopaedic surgery mortality rates related to hospital patient volume, 235 Ossification, heterotopic prevention with indomethacin, 126 Osteoarthritis and cardiovascular fitness after hip arthroplasty, 84 and causes of death after hip arthroplasty, 397 of knee and arthroplasty after failed tibial valgus osteotomy, 635 arthroscopic debridement compared to arthroplasty in, 465 and cemented arthroplasty for patients 55 and younger, 49 and valgus deformity with intra-articular tibial plateau stress fracture, 713 and three-dimensional morphology of proximal femur, 444 Osteoclasts in bone resorption in aseptic loosening of joint arthroplasties, 461 Osteolysis around Moore prosthesis, 346 femoral, after low-friction arthroplasty, 624 from inadequate polyethylene thickness in hip arthroplasty, 305 and loosening of proximal femoral cemented endoprostheses, 741 pelvic, bilateral, with McKee-Farrar prostheses, 819 with press-fit titaninm prosthesis, 256 and properties of periprosthetic tissue, 670 from third-body wear in hip arthroplasty, 586 Osteonecrosis of femoral head cementless hip arthroplasty in, 683 resurfacing in, 736 Osteotomy femoral for acetabular protrusion after hip arthroplasty, 344

extended, with impaction allograking in revision hip arthroplasty, 863 in revision hip arthroplasty in Paget's disease, 591 transverse subtrochanteric, for femoral shortening in hip arthroplasty, 880 proximal tibial valgus, knee arthroplasty after, 635 Outcome studies. See Questionnaire responses

Paget's disease revision hip arthroplasty in, 591 Pain after k n e e arthroplasty, 337 intra-articular morphine or bupivacaine affecting, 546 in pseudomeniscus, 114 in thigh, after tourniquet use, 848 Patella retinacular tension evaluation in knee arthroplasty, 651 tracking after knee arthroplasty lateral release affecting, 74, I55, 161 patefiofemoral design affecting, 243 Patefiar tendon reconstruction after knee arthroplasty, 575 Patellofemoral joint contact area after knee arthroplasty, 790 Pathologic diagnosis. See Surgical specimens Pelvis mass from titanium wear debris, 946 obliquity of, and leg-length inequality after hip arthroplasty, 359 Photoelastic measurements of cortical strain with slotted femoral stems, 657 Polyethylene acetabular components wearing against alumina femoral heads, 119 debris in bipolar versus total hip implants, 32 inadequate thickness as cause of osteolysis in hip arthroplasty, 305 three-dimensional wear in Harris-Galante I prosthesis, 256 ultrahigh-molecular-weight liners in metal-backed acetabular cups, 25 wear in condylar knee prostheses, 281 Popliteus tendon dysfunction after knee arthroplasty, arthroscopic treatment of, 353 Porous-coated implants grafts affecting bone ingrowth in dogs, 451 in hip arthropIasty bone ingrowth in canine femoral components, 106 bone remodeling response to, 365 in cementless revision, 403 evaluation of Harris-Galante Porous femoral stem, 185 Integral femoral stem in, 250 Scandinavian PCA study, 133 postmortem analysis of tibial components, 920 Postmortem studies asymmetric porous-coated tibial components, 920 causes of death after hip arthroplasty, 397 guidelines for retrieval program, 562 titanium alloy press-fit femoral endoprostheses, 930 wear in hip implant with titanium nitride coating, 938 wear in retrieved condylar knee prostheses, 281 Press-fit prostheses follow-up evaluation of condylar knee arthroplasties, 603 migration and wear of hydroxyapatite-coated cups, 904 polyethylene wear in hip arthroplasty, 256 radiographic analysis of titanium alloy femoral endoprostheses, 930 Prostaglandin PGE2 in periprosthetic pseudosynovial membrane, 670 P R O S T A L A C prosthesis in revision of infected hip arthroplasty, 615 Pseudomeniscus after knee arthroplasty, pain in, 114 Pulmonary e m b o l i s m fatal, after knee arthroplasty, 599 prevention with warfarin after knee arthroplasty, 180

Subject Index Quality of life after hip arthroplasty, 21,639 with hybrid arthoplasty in younger patients, 646 Questionnaire responses on outcome of arthroplasty comparison of measurements in, 639 expectations and satisfaction with hip arthroplasty, 387 in primary hip arthroplasty, 21 Radiographic analysis in loosening of proximal femoral cemented endoprostheses, 74 I in migration of hydroxyapatite-coated cups in revision hip arthroplasty, 904 in migration of uncemented Harris-Galante acetabular cup, 889 of titanium alloy press-fit femoral endoprostheses, 930 Remodeling of bone agents in periprosthetic pseudosynovial membrane, 670 in femoral cortices after uncemented hip arthroplasty, 99 response in nncemented porous-coated femoral implants, 365 Resurfacing of onIy femoral head in osteonecrosis, 736 Retinaculum patellar. See Lateral retinacular release Rheumatoid arthritis of knee arthropIasty with kinematic prosthesis, 913 cemented arthroplasty for patients 55 and younger, 40 trabecular bone stiffness in, 798 Rollback, femoral in knee arthroplasty with posterior cruciate ligament retention, 553, 869 Scintigraphy of hydroxyapatite-coated hip prostheses, 380 Sickle-cell disease hip arthroplasty in, 420 Smith-Petersen mold arthroplasty 46-year survival of, 584 Stanmore hip arthroplasty follow-up study, 728 Stemless femoral implant bone mineral density with, 373 Stress fracture of intra-articular tibial plateau, with valgus deformity of knee in osteoarthritis, 713 subtrochanteric, after knee arthroplasty, 580 Surgical specimens collected in total joint arthroplasty, 62 histologic review of retrieved bone samples, 785 synoviaI tissue examination by frozen section, 64 Survival analysis bone-graft augmentation for acetabular deficiencies, 503 cemented Charnley hip arthroplasty, 470 cemented Exeter hip in small femurs, 267 cementless implants femoral components in revision surgery, I94, 839 modular femoral stem, 490 tibial components fixed with polyethylene pegs, 751 constrained condylar or cemented posterior-stabifized knee arthroplasty, 896 femoral cortical remodeling after cementless arthroplasty, 99 Genesis Total Knee Arthroplasty System, 9 I Harris-Galante porous femoral stem, 185 Integral porous femoral stem, 250 isolated revision acetabuloplasty, 719 knee arthroplasty in rheumatoid arthritis, 913 Press-Fit Condylar knee arthroplasty, 603 Scandinavian PCA study, 133 Smith-Petersen mold arthroplasty, 584 Stanmore hip arthroplasty, 728 stemless implant affecting femoral bone mineral density, 373 wear in. See Wear analysis

955

Synovial fluid fluconazole levels in Candida parapsilosis joint infection, 950 S y n o v i a l tissue examination by frozen section, 64 Thigh compartment syndrome after knee arthroplasty, 835 pain after tourniquet in knee arthroplasty, 848 Thrombocytopeuia heparin-induced, and amputation after knee arthroplasty, 350 Thromboembolism, arterial antibody-induced, after knee arthroplasty, 350 Thrombosis, deep vein in knee arthroplasty and fatal pulmonary embolism, 599 tourniquet use affecting, 291 and postoperative duplex scanning in hip arthroplasty, 310 from titanium wear debris, 946 Tibia failed proximal valgus osteotomy of, knee arthroplasty after, 635 stress fracture of intra-articular plateau, 713 trabecular bone stiffness in rheumatoid arthritis, 798 Tibiofemoral angle in posterior cruciate ligament-retaining knee arthroplasty, 553 Tissue expansion for reimplantation of knee arthroplasty, 471,475 Titanium alloy in cementless femoral revision arthroplasty, 194 alloy in press-fit femoral endoprostheses, radiographic analysis of, 930 debris causing deep vein thrombosis, 946 nitride coating of hip implant, wear analysis of, 938 plasma spray coating on Integral porous femoral stem, 250 press-fit hip prosthesis, polyethylene wear in, 256 Tourniquet use in knee arthroplasty related to blood loss and deep vein thrombosis, 291 thigh pain after, 848 Transforming growth factor/3- I in periprosthetic pseudosynovial membrane, 670 Tumor necrosis factor-a in periprosthetic pseudosynovial membrane, 670 Tumors around implants, 812

Ultrasonography postoperative duplex scanning in hip arthroplasty, 310 Valgus deformity of knee in osteoarthritis and arthroplasty after failed osteotomy, 635 and stress fracture of intra-arficular tibial plateau, 713 Vastus muscles midvastus muscle-splitting approach in knee arthroplasty, 322 release with iliopsoas tendon in revision hip surgery, 568 Visual analog scale in assessment of hip arthroplasty, 416 Waiting list policy for revision hip arthroplasty, 1 Warfarin preventing puhnonary embolism after knee arthropiasty, 180 Wear analysis in hip arthroplasty with hydroxyapatite-coated cups in revisions, 904 with polyethylene acetabula and alumina femoral heads, 119 polyethylene debris in bipolar versus total implants, 32 third-body wear in, 586 with titanium nitride coating of implant, 938 polyethylene, in condylar knee prostheses, 281 and resurfacing only femoral head in osteonecrosis, 736 titanium debris causing deep vein thrombosis, 946 WOMAC osteoarthritis index after hip arthroplasty, 340