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Migration of calcium deposit over the biceps brachii muscle, a rare complication of calcific tendinopathy: Ultrasound image and treatment.

ABSTRACT: Calcific tendinopathy is characterized by the deposition of calcium, mostly hydroxyapatite crystals, in tendons. Women are more frequently affected than men, with prevalence in the fourth and fifth decades of life. This condition has been reported between 2.5 and 7.5% of healthy shoulders in adults, but other tendons may also be affected. A complication of this condition is the migration of calcium deposits from tendons, usually the supraspinatus, into the subacromial-subdeltoid bursa. We reported a rare complication of calcific tendinopathy, that is, calcium deposits migrated from the long head of the biceps tendon over the proximal tract of the biceps brachii muscle.

SUBMITTER: Cocco G

PROVIDER: S-EPMC6237711 | biostudies-literature | 2018 Dec

REPOSITORIES: biostudies-literature

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Migration of calcium deposit over the biceps brachii muscle, a rare complication of calcific tendinopathy: Ultrasound image and treatment.

Cocco Giulio G Ricci Vincenzo V Boccatonda Andrea A Iannetti Giovanni G Schiavone Cosima C

Journal of ultrasound 20181110 4

Calcific tendinopathy is characterized by the deposition of calcium, mostly hydroxyapatite crystals, in tendons. Women are more frequently affected than men, with prevalence in the fourth and fifth decades of life. This condition has been reported between 2.5 and 7.5% of healthy shoulders in adults, but other tendons may also be affected. A complication of this condition is the migration of calcium deposits from tendons, usually the supraspinatus, into the subacromial-subdeltoid bursa. We report ...[more]

PMID: 30415399

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Project description:Calcific tendinopathy of the shoulder (CTS) is the most common cause of shoulder pain. Conservative treatment is considered as the first therapeutic choice for CTS. The main objective of this study was to assess the effect of US-guided needling (UGN) compared to UGN plus Biocompatible Electrical Neurostimulation (BEN) in the treatment of the CTS. Pilot, prospective, non-interventional, monocentric, and observational study of patients treated for calcific rotator cuff tendinopathy and shoulder pain. Patients' selection, enrollment and interventions were conducted at the Chiparo Physical Medicine and Rehabilitation outpatient facility. Forty adult patients (aged 40-60 years) with a diagnosis of CTS in the acute and colliquative phase were recruited and enrolled into the study. Participants were assessed for self-perceived pain through the Numerical Rating Scale (NRS), and for functional limitation through the Shoulder Pain and Disability Index score (SPADI) at baseline (T0), after 15 days (T1), and after 40 days (T2). As a possible confounding factor between the two treatments' response, the dimension of the tendon calcification was also assessed by US-examination. Through the study, both groups improved their perceived functional performance of the arm (p-value < 0.001). AT T1, the SPADI score decreased by half in both groups, and the improvement remained stable at T2. A multiplicative effect (Time × Treatment) was demonstrated (p-value < 0.001). An improvement in the NRS score was measured at T1, and it remained stable at T2, a multiplicative effect was also reported (p-value < 0.001). The main results of this pilot study provide evidence that UGN plus BEN increases functional performance and reduces shoulder pain in individuals with CTS. Moreover, the tendon calcification dimension at the baseline and the percentage of drainage of the lesion were associated with a functional performance recovery and pain reduction detected after intervention.

Project description:BackgroundThe effects of acupuncture on muscle function in healthy subjects are contradictory and cannot be extrapolated to post-stroke patients. This study evaluated the immediate effects of manual acupuncture on myoelectric activity and isometric force in healthy and post-stroke patients.MethodsA randomized clinical trial, with parallel groups, single-blinded study design, was conducted with 32 healthy subjects and 15 post-stroke patients with chronic hemiparesis. Surface electromyography from biceps brachii during maximal isometric voluntary tests was performed before and after 20-min intermittent, and manual stimulation of acupoints Quchi (LI11) or Tianquan (PC2). Pattern differentiation was performed by an automated method based on logistic regression equations.ResultsHealthy subjects showed a decrease in the root mean-squared (RMS) values after the stimulation of LI11 (pre: 1.392 ± 0.826 V; post: 0.612 ± 0.0.320 V; P = 0.002) and PC2 (pre: 1.494 ± 0.826 V; post: 0.623 ± 0.320 V; P = 0.001). Elbow flexion maximal isometric voluntary contraction (MIVC) was not significantly different after acupuncture stimulation of LI11 (pre: 22.2 ± 10.7 kg; post: 21.7 ± 9.5 kg; P = 0.288) or PC2 (pre: 18.8 ± 4.6 kg; post: 18.7 ± 6.0 kg; P = 0.468). Post-stroke patients did not exhibit any significant decrease in the RMS values after the stimulation of LI11 (pre: 0.627 ± 0.335 V; post: 0.530 ± 0.272 V; P = 0.187) and PC2 (pre: 0.601 ± 0.258 V; post: 0.591 ± 0.326 V; P = 0.398). Also, no significant decrease in the MIVC value was observed after the stimulation of LI11 (pre: 9.6 ± 3.9 kg; post: 9.6 ± 4.7 kg; P = 0.499) or PC2 (pre: 10.7 ± 5.6 kg; post: 10.2 ± 5.3 kg; P = 0.251). Different frequency of patterns was observed among healthy subjects and post-stroke patients groups (?2 = 9.759; P = 0.021).ConclusionManual acupuncture provides sufficient neuromuscular stimuli to promote immediate changes in motor unit gross recruitment without repercussion in maximal force output in healthy subjects. Post-stroke patients did not exhibit significant reduction on the myoelectric activity and maximal force output after manual acupuncture and needs further evaluation with a larger sample.Trial registrationBrazilian Clinical Trials Registry RBR-5g7xqh.

Dataset Information

Migration of calcium deposit over the biceps brachii muscle, a rare complication of calcific tendinopathy: Ultrasound image and treatment.

Publications

Migration of calcium deposit over the biceps brachii muscle, a rare complication of calcific tendinopathy: Ultrasound image and treatment.

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