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Myopathy (Anaesthetic issues (Respiratory (Weak cough - recurrent…
Myopathy
Anaesthetic issues
Airway
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Aspiration risk: use of antacid, avoid sedative premed, may require RSI/ETT, PONV prophylaxis and treatment
Respiratory
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Scoliosis - restrictive lung defects, pulm HTN, Cor pulmonale and resp failure
Sensitivity to opioids: sedation, resp depression, reduced cough
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Musculoskeletal
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Avoid Sux and volatile anaesthetics (increased muscle cell permeability - hyperkalaemia and anaesthesia induced rhabdo =AIR)
May be more sensitive to NDMRs: titrate to effect, monitor
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Problems with positioning, padding, vascular access, regional techniques and invasive monitoring
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Causes of myopathy
Hereditary muscular dystrophy (Duchenne's, Becker)
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Acquired (PACE, PODS)
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Endocrine (Thyroid, Cushings)
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Becker MD
Less common, normal life expectancy (but can develop dilated cardiomyopathy)