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Lundi : 8h-18h30
Mardi : 8h-18h30
Mercredi 9h-16h30
Jeudi : 8h-18h30
Vendredi : 8h-16h30
Votre centre de documentation fermera de 12h30 à 13h ce vendredi 28 juin et fermera à 14h30.
Dès ce lundi 1er juillet jusqu'au mercredi 10 juillet l'horaire du centre de documentation sera adapté :
Lundi 1er juillet : de 8h à 12h et de 12h30 à 16h
Mardi 2 juillet : de 8h à 12h15
Mercredi 3 juillet : de 9h à 12h et de 12h30 à 15h15
Jeudi 4 juillet : de 8h à 12h30 et de 13h à 18h30
Lundi 8 juillet : de 8h à 12h et de 12h30 à 16h
Mardi 9 juillet : de 8h à 12h15
Réouverture dès ce lundi 19 août.
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Synergic regenerative effects of polydeoxyribonucleotide and microcurrent on full-thickness rotator cuff healing in a rabbit model / Dong Rak Kwon in Annals of physical and rehabilitation medicine, Vol. 63, n°6 (November 20)
[article]
Titre : Synergic regenerative effects of polydeoxyribonucleotide and microcurrent on full-thickness rotator cuff healing in a rabbit model Type de document : texte imprimé Auteurs : Dong Rak Kwon ; Yong Suk Moon Année de publication : 2020 Article en page(s) : p. 474-482 Note générale : doi.org/10.1016/j.rehab.2019.09.010 Langues : Anglais (eng) Mots-clés : Shoulder Rotator cuff Microcurrent Polydeoxyribonucleotide Injections Ultrasonography Résumé : Background
Rotator cuff tendon tears (RCTTs) are common adult injuries. We hypothesized that a local injection of polydeoxyribonucleotide (PDRN) and microcurrent therapy (MIC) would be more effective in regenerating a tendon tear than PDRN administration alone.
Objectives
To evaluate the effect of PDRN combined with MIC on the regeneration of RCTTs in a rabbit subscapularis tendon chronic RCTT model.
Methods
Rabbits (n = 24) were allocated to 3 groups at 6 weeks after full-thickness RCTT (FTRCTT): 0.2 mL normal saline (G1-SAL); 0.2 mL PDRN with Sham MIC (G2-PDRN + Sham MIC); and 0.2 mL PDRN with MIC (G3-PDRN + MIC). All treatments were performed under ultrasound guidance. PDRN was injected weekly for 4 weeks and sham MIC or MIC was applied daily for 4 weeks after the first PDRN injection.
Results
In the G3-PDRN + MIC group, the mean (SD) subscapularis tendon tear size was continuously reduced from 1 week post-treatment to 4 weeks and was significantly decreased as compared with the other 2 groups [6.0 (1.5) vs. G1: 11.5 (1.8) and G2: 9.1 (1.6) mm2; G3 vs. G1, P < 0.001; G3 vs. G2, P = 0.018]. The gross morphologic mean tendon tear size was significantly smaller in the G3-PDRN + MIC group than G1-SAL and G2-PDRN+ Sham MIC groups [8.8 (3.5) vs. 15.9 (2.3) and 12.4 (1.6) mm2; G3 vs. G1, P < 0.001; G3 vs. G2, P = 0.03]. Mean values for regenerated collagen type 1 fibers, angiogenesis, and walking parameters were all greater for the G3-PDRN + MIC group than the other 2 groups based on histological examination and motion analysis [collagen type 1, G3: 1.60 (0.80) vs. G1: 0.45 (0.60), G2: 1.10 (0.74), G3 vs. G1, P < 0.001; G3 vs. G2, P = 0.002] [angiogenesis, G3: 2.44 (0.73) vs. G1: 0.80 (0.82) and G2: 2.06 (0.81), G3 vs. G1, P < 0.001; G3 vs. G2, P = 0.006] [walking distance, G3: 6391.4 (196.9) vs. G1: 4852.8 (137.3) and G2: 5514.4 (257.3) cm; G3 vs. G1, P < 0.001; G3 vs. G2, P < 0.001].
Conclusions
On gross morphologic, histological, and motion analysis, combined PDRN with MIC therapy was more effective than PDRN alone treating a rabbit model of chronic traumatic FTRCTT.Permalink : ./index.php?lvl=notice_display&id=91323
in Annals of physical and rehabilitation medicine > Vol. 63, n°6 (November 20) . - p. 474-482[article] Synergic regenerative effects of polydeoxyribonucleotide and microcurrent on full-thickness rotator cuff healing in a rabbit model [texte imprimé] / Dong Rak Kwon ; Yong Suk Moon . - 2020 . - p. 474-482.
doi.org/10.1016/j.rehab.2019.09.010
Langues : Anglais (eng)
in Annals of physical and rehabilitation medicine > Vol. 63, n°6 (November 20) . - p. 474-482
Mots-clés : Shoulder Rotator cuff Microcurrent Polydeoxyribonucleotide Injections Ultrasonography Résumé : Background
Rotator cuff tendon tears (RCTTs) are common adult injuries. We hypothesized that a local injection of polydeoxyribonucleotide (PDRN) and microcurrent therapy (MIC) would be more effective in regenerating a tendon tear than PDRN administration alone.
Objectives
To evaluate the effect of PDRN combined with MIC on the regeneration of RCTTs in a rabbit subscapularis tendon chronic RCTT model.
Methods
Rabbits (n = 24) were allocated to 3 groups at 6 weeks after full-thickness RCTT (FTRCTT): 0.2 mL normal saline (G1-SAL); 0.2 mL PDRN with Sham MIC (G2-PDRN + Sham MIC); and 0.2 mL PDRN with MIC (G3-PDRN + MIC). All treatments were performed under ultrasound guidance. PDRN was injected weekly for 4 weeks and sham MIC or MIC was applied daily for 4 weeks after the first PDRN injection.
Results
In the G3-PDRN + MIC group, the mean (SD) subscapularis tendon tear size was continuously reduced from 1 week post-treatment to 4 weeks and was significantly decreased as compared with the other 2 groups [6.0 (1.5) vs. G1: 11.5 (1.8) and G2: 9.1 (1.6) mm2; G3 vs. G1, P < 0.001; G3 vs. G2, P = 0.018]. The gross morphologic mean tendon tear size was significantly smaller in the G3-PDRN + MIC group than G1-SAL and G2-PDRN+ Sham MIC groups [8.8 (3.5) vs. 15.9 (2.3) and 12.4 (1.6) mm2; G3 vs. G1, P < 0.001; G3 vs. G2, P = 0.03]. Mean values for regenerated collagen type 1 fibers, angiogenesis, and walking parameters were all greater for the G3-PDRN + MIC group than the other 2 groups based on histological examination and motion analysis [collagen type 1, G3: 1.60 (0.80) vs. G1: 0.45 (0.60), G2: 1.10 (0.74), G3 vs. G1, P < 0.001; G3 vs. G2, P = 0.002] [angiogenesis, G3: 2.44 (0.73) vs. G1: 0.80 (0.82) and G2: 2.06 (0.81), G3 vs. G1, P < 0.001; G3 vs. G2, P = 0.006] [walking distance, G3: 6391.4 (196.9) vs. G1: 4852.8 (137.3) and G2: 5514.4 (257.3) cm; G3 vs. G1, P < 0.001; G3 vs. G2, P < 0.001].
Conclusions
On gross morphologic, histological, and motion analysis, combined PDRN with MIC therapy was more effective than PDRN alone treating a rabbit model of chronic traumatic FTRCTT.Permalink : ./index.php?lvl=notice_display&id=91323 Exemplaires (1)
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