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1.
Investigating raised creatine kinase.
Kim, EJ, Wierzbicki, AS
BMJ (Clinical research ed.). 2021;:n1486
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2.
Is alectinib-induced elevation of creatine phosphokinase a predictive factor for response? Report of two cases and review of the literature.
Shalata, W, Massalha, I, Agbarya, A
Anti-cancer drugs. 2021;(4):456-459
Abstract
We aim to describe two cases of creatine phosphokinase (CPK) and liver enzymes elevation occurring as adverse effects of alectinib (Alecensa) treatment for anaplastic lymphoma kinase (ALK)-mutated metastatic nonsmall cell lung cancer (NSCLC). A 56-year-old female and a 59-year-old male diagnosed with NSCLC exhibiting ALK gene rearrangements were treated by alectinib administration. The former had a complete response of widespread metastatic disease within 3 months, and the latter also had a substantial response. Both patients initially experienced an episode of CPK elevation and neither had dose modifications. At the end of the treatment, CPK and liver enzymes returned to normal range despite the continuation of alectinib full dose. A transient elevation of CPK and liver enzymes may take place during the alectinib treatment, indicating a tumor tissue damage thus contributing to a significant response.
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3.
Severe acute myopathy following SARS-CoV-2 infection: a case report and review of recent literature.
Islam, B, Ahmed, M, Islam, Z, Begum, SM
Skeletal muscle. 2021;(1):10
Abstract
BACKGROUND SARS-CoV2 virus could be potentially myopathic. Serum creatinine phosphokinase (CPK) is frequently found elevated in severe SARS-CoV2 infection, which indicates skeletal muscle damage precipitating limb weakness or even ventilatory failure. CASE PRESENTATION We addressed such a patient in his forties presented with features of severe SARS-CoV2 pneumonia and high serum CPK. He developed severe sepsis and acute respiratory distress syndrome (ARDS) and received intravenous high dose corticosteroid and tocilizumab to counter SARS-CoV2 associated cytokine surge. After 10 days of mechanical ventilation (MV), weaning was unsuccessful albeit apparently clear lung fields, having additionally severe and symmetric limb muscle weakness. Ancillary investigations in addition with serum CPK, including electromyogram, muscle biopsy, and muscle magnetic resonance imaging (MRI) suggested acute myopathy possibly due to skeletal myositis. CONCLUSION We wish to stress that myopathogenic medication in SARS-CoV2 pneumonia should be used with caution. Additionally, serum CPK could be a potential marker to predict respiratory failure in SARS-CoV2 pneumonia as skeletal myopathy affecting chest muscles may contribute ventilatory failure on top of oxygenation failure due to SARS-CoV2 pneumonia.
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Does Low-Level Laser Therapy Decrease Muscle-Damaging Mediators After Performance in Soccer Athletes Versus Sham Laser Treatment? A Critically Appraised Topic.
Bettleyon, J, Kaminski, TW
Journal of sport rehabilitation. 2020;(8):1210-1213
Abstract
Clinical Scenario: Low-level laser therapy (LLLT) is a controversial topic for its use in athletic recovery, mainly due to inconsistency in research regarding the application of LLLT. Articles on LLLT have assessed its effectiveness in untrained humans through pain scales, functional scales, and blood draws, and it has been found capable in nonathletic rehabilitative use. The controversy lies with LLLT in the recovering athlete. Not only do athletes need to perform at high levels, but each sport is unique in the metabolic demands placed on the athletes' bodies. This modality can alter chemical mediators of the inflammatory process, specifically blood lactate (BL) and creatine kinase (CK). During soccer contests, it is a common problem for athletes to have an average CK level of 800 U/L and BL of 8 mmol·L, increasing delayed-onset muscle soreness and fatigue. Micro-CK level elevation is associated with cellular membrane damage, localized hypoxia, and electrolyte imbalances, hindering the recovery process. Clinical Question: Does LLLT decrease muscle-damaging mediators effecting player fatigue and delayed-onset muscle soreness after performance in soccer athletes versus sham treatment? Summary of Key Findings: In 3 studies, preperformance, postperformance, or preperformance and postperformance LLLT was performed and evaluated BL (2 of 3) and CK (2 of 3). In each article, BL and CK showed a significant decrease (P < .05) when performed either preperformance or postperformance versus the control group. The greatest decrease in these mediators was noticed when postperformance laser therapy was performed. Clinical Bottom Line: LLLT at 10, 30, or 50 J performed at a minimum of 2 locations on the rectus femoris, vastus lateralis, and vastus medialis bilaterally for 10 seconds each is significant in decreasing blood serum levels of BL and CK when performed postexercise. Strength of Recommendations: All 3 articles obtained a Physiotherapy Evidence Database score of ≥8/10.
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5.
Musculoskeletal toxicities in patients receiving concomitant statin and daptomycin therapy.
Kido, K, Oyen, AA, Beckmann, MA, Brouse, SD
American journal of health-system pharmacy : AJHP : official journal of the American Society of Health-System Pharmacists. 2019;(4):206-210
Abstract
PURPOSE This article evaluates the musculoskeletal safety of concomitant therapy with daptomycin and Hydroxymethylglutaryl-coenzyme A (HMG CoA) reductase inhibitors (statins). SUMMARY Often indicated for severe gram-positive infections, daptomycin is commonly administered with statins but there is limited guidance on the appropriate management of concomitant therapy with daptomycin and statins. A narrative review was conducted to review contemporary clinical evidence of the safety of concomitant therapy with daptomycin and statins. A total of 5 studies were identified comparing daptomycin monotherapy versus daptomycin and statin concomitant therapy for the primary outcome of creatine phosphokinase (CPK) elevations in a variety of patient populations with systemic, skin/soft tissue, and bone/joint infections. Of these studies, 4 also compared myalgia or myopathy as a secondary outcome. Case studies, the case-control study and 1 prospective registry comparing statin alone versus daptomycin and statin concomitant therapy were excluded. These studies showed that concomitant therapy with daptomycin and statin was not significantly associated with CPK elevation or higher event rate of myalgia or myopathy, compared to daptomycin monotherapy. CONCLUSION Published cohort studies do not demonstrate a statistically significant difference in the rate of CPK elevations or musculoskeletal toxicities between patients receiving daptomycin monotherapy and daptomycin plus a statin. Patients receiving statins who start daptomycin therapy should continue statin but with weekly monitoring of CPK levels. Continuation of statins is especially important in high-risk patients receiving statins for secondary prevention for atherosclerotic cardiovascular diseases. If myalgia develops, it is reasonable to evaluate the degree of CPK elevation and reassess the need for statin use during daptomycin treatment.
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Side effects of whole-body electro-myo-stimulation.
Stöllberger, C, Finsterer, J
Wiener medizinische Wochenschrift (1946). 2019;(7-8):173-180
Abstract
Whole-body-electro-myo-stimulation (WB-EMS) has been introduced as an alternative to physical training. The aim of the review is to summarize the data about indications and side effects of WB-EMS.A literature search in PubMed disclosed 11 randomized trials, 3 cohort studies, and 7 case reports. From healthy volunteers, enormous creatine kinase (CK) elevations were reported. There is a lack of data about biological consequences of WB-EMS on other organs. In randomized trials, CK levels were not investigated, but several patients discontinued WB-EMS because of "muscular discomfort." Contraindications for WB-EMS are not clearly defined. Nine cases of rhabdomyolysis after WB-EMS were found, preferentially after the first application.Regulatory authorities should increase the safety of WB-EMS. Patients with a history of rhabdomyolysis should not undergo WB-EMS and those experiencing rhabdomyolysis should be neurologically investigated. Since the value of WB-EMS as an alternative to physical exercise is uncertain, we need to proof or disproof its benefit.
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[Muscular polyarteritis nodosa-a case-based review].
Krusche, M, Ruffer, N, Kubacki, T, Matschke, J, Kötter, I
Zeitschrift fur Rheumatologie. 2019;(2):173-179
Abstract
BACKGROUND Myalgia is a common but unspecific set of symptoms that may be caused by orthopedic, neurological and internal medical conditions, often resulting in a diagnostic challenge. Muscular polyarteritis nodosa (PAN) is a rare differential diagnosis of myalgia with elevated serological inflammatory markers. OBJECTIVE Based on three clinical cases and the literature this review describes the essential clinical and diagnostic features of muscular PAN. RESULTS Muscular PAN typically presents with immobilizing myalgia confined to the lower limbs and elevated serological inflammatory markers but often normal creatine kinase (CK) levels. Contrast-enhanced magnetic resonance imaging of the affected muscles, which can often mimic myositis, and muscle biopsy provide the relevant histological findings that lead to the diagnosis of a vasculitis. CONCLUSION With respect to own experiences and the reviewed literature, muscular PAN should be considered as a possible diagnosis in cases of myalgia with elevated inflammatory markers but normal CK levels and a lack of further symptoms typical for vasculitis.
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8.
Creatine, Creatine Kinase, and Aging.
Sumien, N, Shetty, RA, Gonzales, EB
Sub-cellular biochemistry. 2018;:145-168
Abstract
With an ever aging population, identifying interventions that can alleviate age-related functional declines has become increasingly important. Dietary supplements have taken center stage based on various health claims and have become a multi-million dollar business. One such supplement is creatine, a major contributor to normal cellular physiology. Creatine, an energy source that can be endogenously synthesized or obtained through diet and supplement, is involved primarily in cellular metabolism via ATP replenishment. The goal of this chapter is to summarize how creatine and its associated enzyme, creatine kinase, act under normal physiological conditions, and how altered levels of either may lead to detrimental functional outcomes. Furthermore, we will focus on the effect of aging on the creatine system and how supplementation may affect the aging process and perhaps reverse it.
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9.
Creatine kinase, neuromuscular fatigue, and the contact codes of football: A systematic review and meta-analysis of pre- and post-match differences.
Hagstrom, AD, Shorter, KA
European journal of sport science. 2018;(9):1234-1244
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Abstract
Physiological or performance tests are routinely utilised to assess athletes' recovery. At present, the ideal tool to assess recovery remains unknown. Therefore, the aim of this systematic review was to examine the change in creatine kinase (CK) and neuromuscular function as measured via a countermovement jump (CMJ) following a match in the contact codes of football. A comprehensive search of databases was undertaken with RevMan (V 5.3) used for statistical analysis. Our results demonstrated that CK pre- versus post-match (standardised mean difference (SMD) = 0.90, 95% CI = 0.50 to 1.31, p < .0001), CK pre- versus 24 h post-match (SMD = 1.50, 95% CI = 1.12 to 1.88, p < .00001), and CK pre- versus 48 h post-match all increased significantly (SMD = 0.90, 95% CI = 0.50 to 1.31, p < .0001), while CMJ peak power (PP) pre- versus post-match (SMD = -0.59, 95% CI = -1.12 to -0.06, p = .03), and pre- versus 24 h post-match (SMD = -0.80, 95% CI = -1.31 to -0.28, p = .002) decreased significantly. There was a significant relationship between the change in CK and the change in CMJ PP from immediately pre to immediately post (r = -0.924, p = .025), and between CMJ immediately following a match and 24 h CK change (r = -0.983, p = .017). In conclusion, CK levels increase and performance in the CMJ decreases following a match of a contact code of football. The identification of this relationship may allow coaching staff to implement a standalone measure of recovery.
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Myasthenia triggered by immune checkpoint inhibitors: New case and literature review.
Gonzalez, NL, Puwanant, A, Lu, A, Marks, SM, Živković, SA
Neuromuscular disorders : NMD. 2017;(3):266-268
Abstract
Immune checkpoint molecules are potent regulators of immunologic homeostasis that prevent the development of autoimmunity while maintaining self-tolerance. Inhibitors of immune checkpoint molecules are used as immunotherapy in the treatment of melanoma and different types of refractory cancer, and can trigger various autoimmune complications including myositis and myasthenia gravis. We describe a case of generalized myasthenia gravis induced by pembrolizumab and review 11 other cases. Five patients also had elevated serum CK levels ranging from 1200 to 8729 IU/L, and biopsy showed myositis in one. Severity was highly variable as symptoms normalized spontaneously in one patient, but three others developed myasthenic crisis (including two with fatal outcomes). Steroids have been recommended as a preferred treatment of autoimmune complications of immune-checkpoint inhibitors. Myasthenia gravis should be considered when weakness, diplopia or bulbar symptoms are seen after treatment with immune checkpoint inhibitors, and additional studies are needed to characterize association with hyperCKemia.