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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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Exclu du prêtThe effectiveness of a Botulinum Toxin A infiltration in the management of bicipital cramps after arthroscopic biceps tenotomy / Marieke Torrekens in Acta Orthopaedica Belgica, Vol. 87/4 (Décembre 2021)
[article]
Titre : The effectiveness of a Botulinum Toxin A infiltration in the management of bicipital cramps after arthroscopic biceps tenotomy Type de document : texte imprimé Auteurs : Marieke Torrekens ; Bert Vanmierlo ; Tom Van Isacker Année de publication : 2021 Article en page(s) : p. 765-769 Note générale : https://doi.org/10.52628/87.4.24 Langues : Anglais (eng) Mots-clés : bicipital cramping LHBT BTX-A botox tenotomy shoulder arthroscopy rotator cuff Résumé : A challenging complication of arthroscopic biceps surgery is the persistent painful cramping of the biceps. There is a paucity of data upon nonsurgical treatment of this debilitating complication. We pro- pose an intramuscular injection of botulinum toxin A (BTX-A) for painful bicipital cramping after tenotomy of the long head of the biceps brachii tendon (LHBT). Ten patients with a painful Popeye sign after tenotomy of LHBT, were treated with intramuscular injection of 100 IU of BTX-A. Mean patient age was 56 years and mean time from surgery to infiltration was 317 days. The Quick Disabilities of the Arm, Shoulder and Hand (QuickDASH) score was obtained. Pain was objectified by a visual analogue scale (VAS). Patient satisfaction was described as excellent, good, satisfactory, or poor, three and six months after injection. Mean VAS prior to infiltration was 6.8 and decreased significantly to 2.6 at follow-up. Mean QuickDash was 54.04 prior to infiltration and decreased to 19.84 at follow-up. Patient satisfaction was excellent in 9 and good in 1 patient. We report a significant pain reduction and functional improvement following BTX-A infiltration as treatment of painful bicipital cramping after tenotomy of LHBT. Permalink : ./index.php?lvl=notice_display&id=102060
in Acta Orthopaedica Belgica > Vol. 87/4 (Décembre 2021) . - p. 765-769[article] The effectiveness of a Botulinum Toxin A infiltration in the management of bicipital cramps after arthroscopic biceps tenotomy [texte imprimé] / Marieke Torrekens ; Bert Vanmierlo ; Tom Van Isacker . - 2021 . - p. 765-769.
https://doi.org/10.52628/87.4.24
Langues : Anglais (eng)
in Acta Orthopaedica Belgica > Vol. 87/4 (Décembre 2021) . - p. 765-769
Mots-clés : bicipital cramping LHBT BTX-A botox tenotomy shoulder arthroscopy rotator cuff Résumé : A challenging complication of arthroscopic biceps surgery is the persistent painful cramping of the biceps. There is a paucity of data upon nonsurgical treatment of this debilitating complication. We pro- pose an intramuscular injection of botulinum toxin A (BTX-A) for painful bicipital cramping after tenotomy of the long head of the biceps brachii tendon (LHBT). Ten patients with a painful Popeye sign after tenotomy of LHBT, were treated with intramuscular injection of 100 IU of BTX-A. Mean patient age was 56 years and mean time from surgery to infiltration was 317 days. The Quick Disabilities of the Arm, Shoulder and Hand (QuickDASH) score was obtained. Pain was objectified by a visual analogue scale (VAS). Patient satisfaction was described as excellent, good, satisfactory, or poor, three and six months after injection. Mean VAS prior to infiltration was 6.8 and decreased significantly to 2.6 at follow-up. Mean QuickDash was 54.04 prior to infiltration and decreased to 19.84 at follow-up. Patient satisfaction was excellent in 9 and good in 1 patient. We report a significant pain reduction and functional improvement following BTX-A infiltration as treatment of painful bicipital cramping after tenotomy of LHBT. Permalink : ./index.php?lvl=notice_display&id=102060 Réservation
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