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Index

AcroFlex disc, 160, 164t activL, 160t adalimumab, 145 ADAMTS, 8, 16–17, 101 adipose-derived stem cells (ADSCs), 114, 116, 117, 134t Adkisson, H. D., 186 adult stem cell, 194. see also stem cells aerent neuron, 192 aggrecan, 6, 105 Akeda, K., 105, 144 alendronate, 91t alginate, 131, 131f, 132t Alkhatib, B., 70 allogenic, 194 allograft, 195 Allon, A. A., 114 animal models
anatomy, 38, 39–41f biochemical composition, 38–39, 42t biomechanics, 39, 42t,71 bipedalism, 41–43 cells, 43, 43t degenerative phenotype, 43–44 disc size, 38–39, 39f,42f,42t, 43, 71 ecacy of, 44–45 grading, 49 imaging, 41 limitations of, 106–107, 178 organ culture, 66t,71 overview, 38, 45 pain-related behavior, 44 surgical considerations, 40–41 of total disc transplantation, 150–152 transport, 39– 41, 42–43f
annulus fibrosis repair
alginate, 131, 131f, 132t anatomy, 3f,6,7f,13f animal models, 39, 42t autografting, 150–152, 151–153f biological replacements, 61 biologics therapy, 79, 82, 87, 133–135, 134t biomaterials, 131 biomechanics, 30–31, 31f cell-based therapies in, 135–136 cells, 4 closure implants, 129, 130f, 130t collagen, 131, 131f, 132t defined, 192 discectomy, 128–129, 128f disc regeneration, 54 disruption, MRI, 23, 23f
–133, 131f, 132t
fibrin injection, 131, 131f, 132t grading, 49, 50–51t hydrogel culture systems, 57f,58 hydrogels in, 131, 131f, 132t, 133, 135 injury, causes of, 129 malic acid, 132t, 133 monolayer culture, 56, 57f, 60, 193 organ culture, 59, 59f,69–70, 69f PCL, 132t, 133 PDLLA/45S5 bioglass, 132t, 133 PPCLM, 133 PTMC-PU, 132t, 133 PU-PCL, 132t repair, clinical challenges in, 130 repair devices, 129, 130f, 130t repair strategies, 128–129f, 128–130, 130t scaold systems, 57f, 58, 70, 193
silk, 131f, 132t anti–TNF-α, 144–145 Antoniou, J., 48 arc of motion, 195 articular cartilage lesions, 82–83, 83t autograft, 195 autografting
allograft biology, 154, 155f
animal models, 150–151
clinical applications, 155– 156
clinical trials, 148, 150–152, 152f
cryopreservation protocols, 152–153, 153f, 195
fresh frozen allograft, 151, 151f
graft posit ioning, 154
sterilization, 153–154
surgical technique, goat, 154–155, 156f autologous chondrocyte implantation (ACI), 83–84, 83t,
84f
autologous chondrocyte transplantation
clinical application, 123– 124, 124f
clinical trials, 145–146
ecacy analysis, 124–126, 125f
overview, 121–122, 126
patient selection, 123, 126
preclinical study, in dog, 122, 122–123f autologous transplant, 194
baboon, 39, 42t,43 Barr, J. S., 128 Barricaid, 129, 130f, 130t Bergknut, N., 49 Bernardo, M. E., 117 bFGF, 101t, 103 BioCart II, 83t, 84, 85t
197
Index
biologics. see also technologies
advantages, disadvantages, 78 annulus fibrosis repair, 79, 82, 87, 133– 135, 134t articular cartilage lesions, 82–83, 83t autologous chondrocyte implantation (ACI), 83–84,
83t,84f cartilaginous tissue relevant to, 82 catabolic events, 76 cell anabolism stimulation, 77 cell function, phenotype deterioration, 77 clinical trials, approaches to, 141f, 145f, 148 clinical trials regulatory framework, 172–173, 173t disease stage considerations, 77, 77t donor sites, 87 ear, nose cartilage, 86 eective strategy design, 79 fixation, 87 history of, 76, 78–79, 78f,82 inflammation control, 76, 82 intervention suitability, 79–80 mechanical strength/function, 76–77 meniscus, autologous concentrates, 84–86, 85f,86t microenvironment reconstruction, 77 motion segment unit deformation, 77–78 nanoscale anomalies, 77 prophylactics, 80 regulatory framework, 171 screening, monitoring, 80 spine-specific challenges, 86–87 treatment goals, 76
Biologics Control Act of 1902, 170 Biologics License Application (BLA), 174, 195 biomaterials, 131–133, 131f, 132t biomechanics
animal models, 39, 42t,71 annular tears, clefts, 33–34 annulus fibrosus, 30–31, 31f of healthy disc, 30–31, 31f,32t historical perspective, 30 instability, 33–34, 186, 192 morphological, tissue composition changes, 32–33, 33f nucleus pulposus, 30–31, 31f radiological changes, 31–32 of spine, normal, 159, 159– terminology, 192–193
bioreactor systems, 67–69, 68f, 71, 193, 194 bipedal, 195 bisphosphonates, 93 black disc, 32 BMP, 61, 79 BMP-2, 97t, 102–103t, 105 BMP-7, 97t, 105–106, 106f, 121, 134t, 135, 154. see also
OP-1
Bonassar, L., 185 bone marrow, 194 bone marrow aspirate concentrate (BMAC), 85
160f
bone marrow–concentrated cells (BMCs), 145f, 146 bone marrow stem cell (BMSC), 111t, 114, 141t, 194 Boos, N., 48, 49, 50t Borelli, Giovanni Alfonso, 30 breakthrough product, 195 Bryan disc, 162, 163t, 166
calf, 39, 42f,42t,43 Carticel, 83, 83t,85t CCL5, 71, 134t, 135 cell-based therapies
in annulus fibrosis repair, 135–136 challenges, risks, 117 clinical trials, 145–148, 147f costs of, 188 FDA approval of, 174 ideal cell types, 110–113, 111–112t, 112f MSCs (see mesenchymal stem cells (MSCs)) overview, 110, 111f, 117 target tissue, 115–116, 115f
terminology, 111–112t cell phenotype, 193 cell source, 193 Center for Biologics Evaluation and Research (CBER), 170,
171, 195 Center for Drug Evaluation and Research (CDER), 171 ceramics, 162–163 Chan, S. C., 69 Charité III, 161–162, 161f, 163–164 chemokines, 192 chemotaxis, 194 Chen, W. H., 105 Chiba, K., 67 Choi, E. H., 114 chondroadherin, 6 chondrocytes, 56, 82, 111t, 113, 113–114t, 134t, 147, 194.
see also autologous chondrocyte implantation (ACI) chondroitinase-ABC (C-ABC), 185 clinical trials
anti–TNF-α, 144–145 autologous chondrocyte transplantation, 145–146 biological approaches, 141f, 145f, 148, 178 bone marrow–concentrated cells (BMCs), 145f, 146 cell-based therapies, 145–148, 147f disc herniation, 151–152, 153f gene therapy, 148 history, summary of, 140, 141–144t, 145f mesenchymal stem cells (MSCs), 141t, 146–147 Phase I/II/III, 172–173, 196 platelet-rich plasma, 144 regulatory framework, 172–173, 173t regulatory pathway, 179–180 (see also regulatory
framework)
stem cells, 113–114t tissue implantation, 141f, 141t, 147–148 total disc arthroplasty, 166–167
t
198
Index
total disc transplantation, 148, 150–152, 152f
collagens
animal models, 43 annulus fibrosis repair, 131, 131f, 132t culture systems, 57f,70 human, 5, 7, 13, 14
PRP eects on, 105 composite disc constructs, 58–59, 58f, 193 computational model, 192 confidentiality agreement (CA), 179, 196 Coric, D., 142–143t coupled motion, 158, 159, 159–160f cow, 39, 42–43t,42f,43 Crohn’s disease, 79 cryopreservation, 152–153, 153f, 195 culture systems, 56–59, 57–59f,66t. see also specific sys-
tems Cummins-Bristol disc, 161 CXCL10, 134t, 135 cytokines. see inflammatory cytokines
Dandy, W. E., 128 degenerative disc disease, 192 DeNovo NT, 83t, 84, 85t DePuy Spine, J.-C. P. L., 143–144t dierentiation, 194 diusion tensor imaging (DTI), 20, 23, 192 diusion-weighted imaging (DWI), 20, 23, 192 disc aging, 192 discal cyst, 26, 26f disc degeneration pathophysiology
aggrecanases, 16–17 architectural, mechanical changes, 12–14, 13f cell metabolism, 14 composition changes, 11–12, 12f,13t disease, 11, 11f immune cells, 14– inflammatory cytokines, 14–16, 15–16f innervation, 14 NF-κB mediated pathways, 14–17, 15–16f nutrition, 17 proteases, 16–17
terminology, 192 disc extrusion, 21f, 24, 24f disc herniation
biological therapy, 79, 145
clinical trials, 151–152, 153f
in degeneration pathology, 121–124, 124f, 185
gas-containing, 26
intradural, MR I, 24f,26
MRI, 21f,23–26, 24–25f
TDA therapy, 165–166
TE-IVD therapy, 147–148
traumatic, 151–152, 153f discogenic pain, 192 disc regeneration. see also technologies
16, 15–16f
cell-based therapies (see cell-based therapies) cell sources, 55–56 challenges in, 61 culture systems, 56–59, 57–59f,66t glucose, 60 growth factors, 60–61 historical perspective, 54 inflammatory factors, 60 injectable therapeutics, 54 mechanical loading, 60, 61f oxygen tension, 60 pH, 60 strategies, 54–55 terminology, 193–194 total/partial replacement, 54– 55
in vitro culture systems, 55, 57f dislocation, 195 dog, 41f,43t, 49, 122, 122–123 Drug Pathway (FDA), 196 dual-bearing prostheses, 161– 162, 161f, 163–164t
ear, nose cartilage, 86 ectoderm, 194 electrospinning, 132t, 133 embryonic stem cells (ESCs), 55, 111t, 113, 193, 194 endoderm, 194 end plate. see vertebral end plate extension arc, 195 extracellular matrix (ECM), 192
Farfan, H. F., 30 FDA, 174–175, 174t, 196 Federal Food,Drug, and Cosmetic Act (FDC Act) of 1938,
170 Fernström, U., 160 fibrin injection, 131, 131f, 132t fibrous scaold systems, 57f,58 fixed-bearing prostheses, 161, 163–164t FlexiCore, 164t fresh frozen allograft, 151, 151f fully dierentiated cells, 55–56, 193 functional spinal unit (FSU), 159, 159f, 192
Gantenbein, B., 67 Gawri, R., 67 GDF-5, 97t, 101–104t, 103–104, 104f, 116, 141t GDF-6, 102t, 105 gene therapy. see also biologics
alendronate, 91t bisphosphonates, 93 BMP-2, 97t, 102–103t, 105 BMP-7, 97t, 105–106, 106f, 121, 134t, 135, 154 clinical trials, 148 GDF-5, 97t, 101–104t, 103–104, 104f, 116, 141t IGF-1, 97t, 101t, 103, 103t lactoferricin, 91–92t, 93, 94f
f
199
Index
link N, 70, 92t,94–95, 96f, 103t, 134t, 135 LMP-1, 97t,98–99 lovastatin, 92t, 103t overview, 90, 91f,99 paeoniflorin, 92t,95 Peniel 2000, 92t, 94, 95f peptides, proteins, compounds, 90, 91–93t, 134t, 135 resveratol, 92–93t,95–96 simvastatin, 93t, 103t, 134t, 135 SOX9, 97t, 99, 115 statins, 92–93t, 93, 103t, 134t, 135 strategies, 91f, 96, 97–98t TGF-β1, 97–98t,98 TIMP-1, 98, 98t
glycosaminoglycan (GAG)
animal models, 49 culture systems, 57f
human, 5–6, 12, 21 goat, 42t, 154–155, 156f Good Clinical Practice (GCP), 175, 195 Good Laboratory Practice (GLP), 175, 195 Good Manufacturing Practice (GMP), 123, 175, 195 Gorensek, M., 113 grading scales
histological, 49–50, 50– 51t
overview, 48, 52–53
radiology, 50
Thompson (see Thompson grading system)
Thompson system, 13t,48–49, 49t graft-versus-host disease, 79 growth factor injection. see also platelet-rich plasma (PRP)
animal models limitations, 106–107
in annulus fibrosis repair, 134t, 135
bFGF, 101t, 103
disc degeneration induction via, 106
in disc regeneration, 60–61
GDF-5, 97t, 101–104t, 103–104, 104f, 116, 141t
GDF-6, 102t, 105
half life of, 105–106, 106f
IGF-1, 97t, 101t, 103, 103t
injection treatment eects, 101–103, 101–103t
IVDs, nutritional supply into, 106
OP-1, 102t, 103–104, 134t, 135
patient selection, 106
placebo eects, 107
TFG-β, 101t Gruber, H. E., 116 Gui, K., 105 Gullung, G. B., 105
Haglund, L., 68 Han, B., 49, 50t HA-pNIPAM hydrogel, 67, 194 hard-on-hard bearings, 162–163 hard-on-soft bearings, 163– 164 Härtl, R., 185
–52, 52t, 111f
Haufe, S. M., 132t HCT/Ps, 170–171, 180, 196 health care economics, 180 hematopoietic stem cells (HSCs), 111t, 141t, 146, 194 HGF, in vivo eects, 103 histological grading scales, 49–50, 50–51t horse, 43t hTERT, 154, 155f Hukuda, S., 150 hydrogels
in annulus fibrosis repair, 131, 131f, 132t, 133, 135 culture systems, 57f, 58, 60, 67, 70, 71 defined, 193
hypoxia-inducible factor (HIF) 1-α,60
IGF-1, 97t, 101t, 103, 103t IL receptor antagonist (IL-RA), 79 imaging. see MRI immunocompatibility, 195 induced pluripotent stem cells (iPSCs), 55, 113–114, 193 inflammatory cytokines
animal models of, 43–44 control via biologics, 76, 82 disc degeneration pathophysiology, 14–16, 15–16f
disc regeneration, 60 infliximab, 134t, 135 injectable cell therapies, 61 instability (spinal), 33–34, 186, 192 intellectual property, 179, 196 intervertebral disc anatomy
annulus fibrosus, 3f,6,7f,13f
cells within, 3–5, 7f
development, 2–3, 4–5f
histology, 7f
matrix homeostasis, repair, 8
mechanical properties, 8, 9f
nucleus pulposus, 6, 7f,9f,13f
organization, composition, 3f,5–6
vascularization, innervation, 5–6f,8
vertebral end plate, 6–8, 7f Investigational New Drug Application process, 171,
171–172t, 195 in vitro model systems, 193 in vitro test, 192
Japanese Orthopaedic Association (JOA) score, 152, 195 juvenile chondrocytes, 134t, 147, 184
karyopyknosis, 195 Katsuura, A., 150 Kellgren, J. H., 50 Ki-68, 70 Kim, J. S., 70 Kineflex disc, 162, 163–164t Kirkaldy-Willis, W. H., 30 Korecki, C. L., 69
t
200
lactoferricin, 91–92t, 93, 94f Lawrence, J. S., 50 Li, Z., 70 Likhitpanichkul, M., 70 link N, 70, 92t,94–95, 96f, 103t, 134t, 135 LMP-1, 97t,98–99 loading, 194 lovastatin, 92t, 103t Luk, K. D. K., 150
MACI, 83t, 84, 85t Madan, S. S., 50 malic acid, 132t, 133 Malonzo, C., 70 Maroudas, A., 67 material substrate, 193 matrix metalloproteinases (MMPs), 8, 14, 101 Maverick disc, 162, 163–164t MAVRIC, 192 McCanless, J. D., 116 Meisel, H. J., 142t meniscus, autologous concentrates, 84–86, 85f,86t mesenchymal precursor cells (MPCs), 111t, 112f, 115,
146–147, 185, 194
mesenchymal stem cells (MSCs)
in annulus fibrosis repair, 134t in biologics therapy, 79, 85 in cell-based therapy, 114 challenges, risks, 117, 121 clinical trials, 141t, 146–147 defined, 111t, 193, 194 discogenic dierentiation induction, 116 growth factor induction, 116 HCT/Ps regulation, 170–171, 180
in organ culture, 55, 57f, 60, 67, 70–71 Mesoblast Ltd., 144t, 146, 185 mesoderm, 194 Mimura, M., 50 mitogen-activated protein kinase (MAPK), 70 Miura, M., 117 Mixter, W. J., 128 Mobi-Cb, 163t MOM prostheses, 162–163 monolayer culture, 56, 57f, 60, 193 MOP designs, 164 motion segment, 192 mouse, 40, 42t,71 MRI
annulus disruption, 23, 23f
black disc, 32
classification, 21, 22f
discal cyst, 26, 26f
disc herniation, 21f,23–26, 24–25f
endplate changes, 26, 27–29f
historical perspective, 20, 20f
image acquisition, 20–21, 21–22f intradural disc herniations, 24f,26 pathoanatomy, 21 quantification, 20f,22–23 terminology, 192
multipotent stem cells, 55, 111t, 193, 194
Nachemson, A., 30, 48 National Institutes of Health (NIH), 195 NeoCart, 83t, 84, 85t neutral zone, 192 Nose2Knee, 83t, 84, 85t notochordal cells
animal models of, 43, 43t defined, 192 human, 3, 14
as regeneration source, 55 Novocart, 83t,84 Novocart 3D, 83t, 84, 85t nucleus pulposus
anatomy, 6, 7f,9f,13f
autografting, 150–152, 151–153f
biological replacements, 61
biologics therapy, 77–79, 82, 87
biomechanics, 30–31, 31f
defined, 192
disc regeneration, 54
grading, 49, 50–51t
hydrogel culture systems, 57f, 58, 60
monolayer culture, 56, 57f, 60, 193
organ culture, 59, 59f,69f,70
pH and, 60
phenotypic markers, 115–116
progenitor cells, 55, 115, 193
stem cell therapy, 113, 114
three-dimensional culture, 56, 57f, 66, 72, 72f
Olmarker, K., 145 one-piece prostheses, 160–161, 163–164t OP-1, 102t, 103–104, 134t, 135. see also BMP 7 open innovation models, 177, 180, 196 organ culture
advantages, disadvantages, 66t,71
annulus fibrosis damage, repair, 69–70, 69f
bioreactor systems, 67–69, 68f, 71, 193, 194
cartilage end plate, repair, 70
defined, 193
disc regeneration, 59, 59f
history of, 67–69, 68f
MSCs, 55, 57f, 60, 67, 70–71
new therapy testing, 71–72, 72f
nucleus pulposus damage, repair, 768f,70
overview, 66–67
terminology, 194
transpedicular surgical approach, 69, 69f organs-on-chip, 72
Index
, 194
201
Index
Orozco, L., 126, 142t Orphan Drug Status, 174, 196 osteotomy, 195 Osti, O. L., 185
paeoniflorin, 92t,95 Panjabi, M. M., 30, 34 PCL, 132t, 133 PCM, 163t, 166–167 PDLLA/45S5 bioglass, 132t, 133 pellet culture, 56–58, 193 Peniel 2000, 92t, 94, 95f pentosan polysaccharide (PPS), 185 Pettine, K. A ., 143t Pfirrmann, C. W. A., 48, 52 Pfirrmann grading, 21, 22f Phase I/II/III clinical research, 172–173, 196 phospholipase A2, 178 pig, 39, 41–42f,42t platelet-rich fibrin (PRF), 85 platelet-rich plasma (PRP). see also growth factor injection
in annulus fibrosis repair, 134t, 135 auricular cartilage repair, 85 clinical trials, 144 HCT/Ps regulation, 170–171, 180 injection treatment eects, 101–103t, 105 IVD degeneration, 79 in organ culture, 70
overview, 101 pluripotent stem cells, 55, 111t, 112, 113t, 193, 194 Pope, M. H., 30 posterior longitudinal ligament (PLL), 24 Postmarketing Commitments (PMCs), 173, 196 Postmarketing Requirements (PMRs), 173, 196 press-fit insertion, 195 Prestige ST/LP, 163, 163t primary germ layers, 194 primate, non-human, 41–42f,42t, 45, 150, 151 ProDisc, 161 ProDisc-C, 163–164t progenitor/precursor stem cells, 111t, 112f, 115, 146–147,
185, 194 prophylactics, 80 prostheses. see also total disc arthroplasty
dual-bearing, 161–162, 161f, 163–164t fixed-bearing, 161, 163–164t MOM, 162–
one-piece, 160–161, 163–164t proteoglycans, 5–7, 12, 14 PTMC-PU, 132t, 133 Public Health Service Act (PHSA) of 1944, 170 Purcell, M. H., 186 Pure Food and Drugs Act of 1906, 170 PushLock, 129, 130f, 130t
quadrupedal, 195
163
rabbit, 39, 41f,42–43t, 71, 80 radiological instability, 192 radiology grading scales, 50–52, 52t, 111f range of motion, 193 rat, 39, 41f,42t,71 regulatory framework
accountability, 175 biological products, 171 Biologics License Application (BLA), 174 cell-based therapies, 174 clinical trials, 172–173, 173t commercialization, 175 exemptions, 171 FDA, 174–175, 174t, 196 HCT/Ps, 170–171, 180, 196 Investigational New Drug Application process, 171,
171–172t, 195 manufacturing, 175 overview, 170 postmarketing, 173, 196 preclinical, clinical testing, 175 Quality Management System, 175 team, 175 terminology, 195–196
research areas
animal models, 184–185 annular integrity restoration, 186 arthritic changes, 186 cell-based therapies, 187 cells, matrix, pain-related molecules, 184, 187 genetic markers, 184 lncRNA, miRNA, 187 lumbar disc surgery, 186 MPCs, 185 multifactoriality, 186 pathophysiology, 185–186 regulatory challenges, 186, 187 tissue engineering, 186–187
resveratol, 92–93t,95–96 RevaFlex, 83t, 84, 85t Rhesus monkeys, 150, 151 rheumatoid arthritis, 79 rhGDF-5, 97t, 101–104t, 103–104, 104f, 116, 141t Roberts, S., 67 Rutges, J. P., 49, 51t
Sakai, D., 115 Sato, M., 116 scaold systems, 57f, 58, 70, 81, 82, 116, 193 Schek, R. M., 70 Schmorl, Georg, 30 Schneiderman, G., 50–52 sciatica, 145 Secure C, 163t SEMAC, 192
202
Index
sheep, 39, 41–42f,42–43t silk, 131f, 132t simvastatin, 93t, 103t, 134t, 135 sinuvertebral nerve, 6f small leucine rich protein (SLRP) family, 5–6 somatic cell, 194 SOX9, 97t, 99, 115 sponsor, 196 SPORT trial, 20 statins, 92–93t, 93, 103t, 134t, 135 Steck, E., 116 stem cells. see also cell-based therapies
adipose-derived stem cells (ADSCs), 114, 116, 117,
134t adult, 194 adult muscle tissue as source, 114–115 bone marrow stem cell (BMSC), 111t, 114, 141t, 194 clinical trials, 113–114 t embryonic stem cells (ESCs), 55, 111t, 113, 193, 194 HCT/Ps regulation, 170–171, 180 hematopoietic stem cells (HSCs), 111t, 141t, 146, 194 induced pluripotent stem cells (iPSCs), 55, 113–114,
193 multipotent, 55, 111t, 193, 194 pluripotent, 55, 111t, 112, 113t, 193, 194 potency, 194 progenitor/precursor, 111t, 112f, 115, 146–147, 194 regulation of, 170 terminology, 194–195 totipotent, 112t, 195
Stoyanov, J. V., 116 Strassburg, S., 71 structural failure, 193 subligamentous herniation, 24, 24f subluxation, 195 substance P receptor antagonist, 134t, 135 supraligamentous herniation, 24, 25f
T-cell lymphomas, 145 technologies
development of, 177–178 health care economics, 180 intellectual property, 179, 196 intervention, targets for, 178 minimally invasive procedures, 178 open innovation models, 177, 180, 196 pathophysiology, 178 regulatory pathway, 179–180 (see also regulatory
framework) translational research, 179
TFG-β, 101t TGF-β1, 97–98t,98 Thompson, J. P., 48, 101 Thompson grading system, 13t,48–49, 49t three-dimensional culture, 56, 57f, 66, 72, 72f, 194
3R, 194
TIMP-1, 98, 98t TIMP-3, 115 tissue engineered IVD (TE-IVD), 87, 147–148. see also bio-
logics tissue engineering, 186–187 tissue implantation, 141f, 141t, 147–148 tissue inhibitors of matrix metalloproteinase (TIMP), 14 T2 mapping, 192 total disc arthroplasty
adjacent segment disease, 167 complications, 167–168 contraindications, 165–166 coupled motion, 158, 159, 159–160f designs, current, 164–165 dual-bearing prostheses, 161– 162, 161f, 163–164t fixed-bearing prostheses, 161, 163–164t hard-on-hard bearings, 162–163 hard-on-soft bearings, 163– 164 hybrid designs, 162 indications, 165 one-piece prostheses, 160–161, 163–164t outcomes, 158, 166–167 overview, 158–159, 168 patient selection, 165–166 revision procedures, 167
total disc transplantation
allograft biology, 154, 155f animal models of, 150–152 autografting, 150–152, 151–153f clinical applications, 155– 156 clinical trials, 148, 150–152, 152f cryopreservation protocols, 152–153, 153f, 195 disc regeneration, 59, 61, 155 graft posit ioning, 154 history of, 150 sterilization, 153–154 surgical technique, goat, 154–155, 156f
terminology, 195 totipotent stem cells, 112t, 195 traction osteophyte, 195 translational research, 179 T1-rho, 192 Triple Aim, 180, 196 Tuakli-Wosornu, Y. A., 143t 21st Century Cures Act of 2016, 174
ultrashort time-to-echo (UTE), 20, 192 Urban, J. P., 67
Vadalà, G., 69, 114 Valley of Death, 179, 196 vascular network anatomy, 5f vertebral column anatomy, 2, 2f vertebral end plate
anatomy, 6–8, 7f
cartilage cells, 4
203
Index
changes, MRI, 26, 27–28f defined, 192 grading, 49, 50–51t monolayer culture, 56, 57f, 60, 193 organ culture, 70
Walsh, A. J., 103 Walter, B. A., 68–69 White, A. A., 34 White, P. J., 186
whole organ culture, 194. see also organ culture Wuertz, K., 115
Xclose, 129, 130f, 130t
Yamamoto, Y., 114 Yoshikawa, T., 114, 142t, 146
Zhao, F., 33
204