Corticosteroid injections, eccentric decline squat training and heavy slow resistance training in patellar tendinopathy

M Kongsgaard, V Kovanen, P Aagaard, S Doessing, P Hansen, A H Laursen, N C Kaldau, M Kjaer, S P Magnusson

Publikation: Bidrag til tidsskriftTidsskriftartikelForskningpeer review

Resumé

Udgivelsesdato: Sep-28
OriginalsprogEngelsk
TidsskriftScandinavian Journal of Medicine & Science in Sports
Vol/bind19
Udgave nummer6
Sider (fra-til)790-802
ISSN0905-7188
DOI
StatusUdgivet - 28. sep. 2009

Fingeraftryk

Resistance Training
Adrenal Cortex Hormones
Pathology

Citer dette

Kongsgaard, M ; Kovanen, V ; Aagaard, P ; Doessing, S ; Hansen, P ; Laursen, A H ; Kaldau, N C ; Kjaer, M ; Magnusson, S P. / Corticosteroid injections, eccentric decline squat training and heavy slow resistance training in patellar tendinopathy. I: Scandinavian Journal of Medicine & Science in Sports. 2009 ; Bind 19, Nr. 6. s. 790-802.
@article{3ebeb5c0256311dfba21000ea68e967b,
title = "Corticosteroid injections, eccentric decline squat training and heavy slow resistance training in patellar tendinopathy",
abstract = "A randomized-controlled single-blind trial was conducted to investigate the clinical, structural and functional effects of peritendinous corticosteroid injections (CORT), eccentric decline squat training (ECC) and heavy slow resistance training (HSR) in patellar tendinopathy. Thirty-nine male patients were randomized to CORT, ECC or HSR for 12 weeks. We assessed function and symptoms (VISA-p questionnaire), tendon pain during activity (VAS), treatment satisfaction, tendon swelling, tendon vascularization, tendon mechanical properties and collagen crosslink properties. Assessments were made at 0 weeks, 12 weeks and at follow-up (half-year). All groups improved in VISA-p and VAS from 0 to 12 weeks (P<0.05). VISA-p and VAS improvements were maintained at follow-up in ECC and HSR but deteriorated in CORT (P<0.05). In CORT and HSR, tendon swelling decreased (-13+/-9{\%} and -12+/-13{\%}, P<0.05) and so did vascularization (-52+/-49{\%} and -45+/-23{\%}, P<0.01) at 12 weeks. Tendon mechanical properties were similar in healthy and injured tendons and were unaffected by treatment. HSR yielded an elevated collagen network turnover. At the half-year follow-up, treatment satisfaction differed between groups, with HSR being most satisfied. Conclusively, CORT has good short-term but poor long-term clinical effects, in patellar tendinopathy. HSR has good short- and long-term clinical effects accompanied by pathology improvement and increased collagen turnover.",
author = "M Kongsgaard and V Kovanen and P Aagaard and S Doessing and P Hansen and Laursen, {A H} and Kaldau, {N C} and M Kjaer and Magnusson, {S P}",
year = "2009",
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journal = "Scandinavian Journal of Medicine & Science in Sports",
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Corticosteroid injections, eccentric decline squat training and heavy slow resistance training in patellar tendinopathy. / Kongsgaard, M; Kovanen, V; Aagaard, P; Doessing, S; Hansen, P; Laursen, A H; Kaldau, N C; Kjaer, M; Magnusson, S P.

I: Scandinavian Journal of Medicine & Science in Sports, Bind 19, Nr. 6, 28.09.2009, s. 790-802.

Publikation: Bidrag til tidsskriftTidsskriftartikelForskningpeer review

TY - JOUR

T1 - Corticosteroid injections, eccentric decline squat training and heavy slow resistance training in patellar tendinopathy

AU - Kongsgaard, M

AU - Kovanen, V

AU - Aagaard, P

AU - Doessing, S

AU - Hansen, P

AU - Laursen, A H

AU - Kaldau, N C

AU - Kjaer, M

AU - Magnusson, S P

PY - 2009/9/28

Y1 - 2009/9/28

N2 - A randomized-controlled single-blind trial was conducted to investigate the clinical, structural and functional effects of peritendinous corticosteroid injections (CORT), eccentric decline squat training (ECC) and heavy slow resistance training (HSR) in patellar tendinopathy. Thirty-nine male patients were randomized to CORT, ECC or HSR for 12 weeks. We assessed function and symptoms (VISA-p questionnaire), tendon pain during activity (VAS), treatment satisfaction, tendon swelling, tendon vascularization, tendon mechanical properties and collagen crosslink properties. Assessments were made at 0 weeks, 12 weeks and at follow-up (half-year). All groups improved in VISA-p and VAS from 0 to 12 weeks (P<0.05). VISA-p and VAS improvements were maintained at follow-up in ECC and HSR but deteriorated in CORT (P<0.05). In CORT and HSR, tendon swelling decreased (-13+/-9% and -12+/-13%, P<0.05) and so did vascularization (-52+/-49% and -45+/-23%, P<0.01) at 12 weeks. Tendon mechanical properties were similar in healthy and injured tendons and were unaffected by treatment. HSR yielded an elevated collagen network turnover. At the half-year follow-up, treatment satisfaction differed between groups, with HSR being most satisfied. Conclusively, CORT has good short-term but poor long-term clinical effects, in patellar tendinopathy. HSR has good short- and long-term clinical effects accompanied by pathology improvement and increased collagen turnover.

AB - A randomized-controlled single-blind trial was conducted to investigate the clinical, structural and functional effects of peritendinous corticosteroid injections (CORT), eccentric decline squat training (ECC) and heavy slow resistance training (HSR) in patellar tendinopathy. Thirty-nine male patients were randomized to CORT, ECC or HSR for 12 weeks. We assessed function and symptoms (VISA-p questionnaire), tendon pain during activity (VAS), treatment satisfaction, tendon swelling, tendon vascularization, tendon mechanical properties and collagen crosslink properties. Assessments were made at 0 weeks, 12 weeks and at follow-up (half-year). All groups improved in VISA-p and VAS from 0 to 12 weeks (P<0.05). VISA-p and VAS improvements were maintained at follow-up in ECC and HSR but deteriorated in CORT (P<0.05). In CORT and HSR, tendon swelling decreased (-13+/-9% and -12+/-13%, P<0.05) and so did vascularization (-52+/-49% and -45+/-23%, P<0.01) at 12 weeks. Tendon mechanical properties were similar in healthy and injured tendons and were unaffected by treatment. HSR yielded an elevated collagen network turnover. At the half-year follow-up, treatment satisfaction differed between groups, with HSR being most satisfied. Conclusively, CORT has good short-term but poor long-term clinical effects, in patellar tendinopathy. HSR has good short- and long-term clinical effects accompanied by pathology improvement and increased collagen turnover.

U2 - 10.1111/j.1600-0838.2009.00949.x

DO - 10.1111/j.1600-0838.2009.00949.x

M3 - Journal article

VL - 19

SP - 790

EP - 802

JO - Scandinavian Journal of Medicine & Science in Sports

JF - Scandinavian Journal of Medicine & Science in Sports

SN - 0905-7188

IS - 6

ER -