[Critical Illness Polyneuropathy and Critical Illness Myopathy.]

[Critical illness polyneuropathy and critical illness myopathy.]

Filed under: Rehab Centers

Med Klin Intensivmed Notfmed. 2012 Oct 28;
Grimm A, Günther A, Witte OW, Axer H

Critical illness polyneuropathy (CIP) and critical illness myopathy (CIM) are frequent complications in critically ill patients and both are associated with sepsis, systemic inflammatory response syndrome (SIRS) and multiorgan failure. Major signs are muscle weakness and problems of weaning from the ventilator. Both CIP and CIM lead to elongated times of ventilation, elongated hospital stay, elongated times of rehabilitation and increased mortality. Electrophysiological measurements help to detect CIP and CIM early in the course of the disease. State of the art sepsis therapy is the major target to prevent the development of CIP and CIM. Although no specific therapy of CIP and CIM has been established in the past, the diagnosis generally improves the therapeutic management (weaning from the ventilator, early physiotherapy, etc.). This review provides an overview of clinical and diagnostic features of CIP and CIM and summarizes current pathophysiological and therapeutic concepts.
HubMed – rehab

 

[Difficult to wean patients.]

Filed under: Rehab Centers

Med Klin Intensivmed Notfmed. 2012 Oct 28;
Funk GC

Approximately 10% of patients with mechanical ventilation experience prolonged weaning and also have an increased morbidity and mortality. Once spontaneous breathing trials have failed the organ systems responsible should be identified. This can be accomplished during the spontaneous breathing trial using clinical examination, measurement of blood gases, echocardiography and imaging techniques. Specific patterns allow the diagnosis of pathological respiratory mechanisms, weak ventilatory muscles, heart failure, myocardial ischemia and psychiatric problems. Respiratory and cardiac limitations of weaning can be overcome by reducing the ventilatory load, training of the ventilatory muscles and reducing cardiac workload. A cooperative sedation strategy as well as an early start of weaning and rehabilitation can prevent prolonged weaning in critically ill patients.
HubMed – rehab

 

The neglected role of reward in rehabilitation.

Filed under: Rehab Centers

J Neurol Neurosurg Psychiatry. 2012 Oct 27;
Robertson IH

HubMed – rehab

 

Contribution of oxidative stress to pathology in diaphragm and limb muscles with Duchenne muscular dystrophy.

Filed under: Rehab Centers

J Muscle Res Cell Motil. 2012 Oct 28;
Kim JH, Kwak HB, Thompson LV, Lawler JM

Duchenne muscular dystrophy (DMD) is a degenerative skeletal muscle disease that makes walking and breathing difficult. DMD is caused by an X-linked (Xp21) mutation in the dystrophin gene. Dystrophin is a scaffolding protein located in the sarcolemmal cytoskeleton, important in maintaining structural integrity and regulating muscle cell (muscle fiber) growth and repair. Dystrophin deficiency in mouse models (e.g., mdx mouse) destabilizes the interface between muscle fibers and the extracellular matrix, resulting in profound damage, inflammation, and weakness in diaphragm and limb muscles. While the link between dystrophin deficiency with inflammation and pathology is multi-factorial, elevated oxidative stress has been proposed as a central mediator. Unfortunately, the use of non-specific antioxidant scavengers in mouse and human studies has led to inconsistent results, obscuring our understanding of the importance of redox signaling in pathology of muscular dystrophy. However, recent studies with more mechanistic approaches in mdx mice suggest that NAD(P)H oxidase and nuclear factor-kappaB are important in amplifying dystrophin-deficient muscle pathology. Therefore, more targeted antioxidant therapeutics may ameliorate damage and weakness in human population, thus promoting better muscle function and quality of life. This review will focus upon the pathobiology of dystrophin deficiency in diaphragm and limb muscle primarily in mouse models, with a rationale for development of targeted therapeutic antioxidants in DMD patients.
HubMed – rehab

 


 

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