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Diaphragmatic paralysis

Diaphragmatic paralysis is caused by the damage of phrenic nerve and the blocking of nerve impulse. One or both sides of diaphragmatic paralysis rise and movement disorder. Its etiology is extensive, and the most common is that the lymph nodes of lung cancer metastasize to the mediastinum compress or invade the phrenic nerve, resulting in diaphragmatic paralysis. Others, such as anterior horn of spinal cord, motor neuron disease, herpes zoster, tuberculosis, diphtheria, pericarditis, mediastinitis, pneumonia, lead poisoning, giant aortic aneurysm, deep neck surgery or trauma, excessive traction of the baby's neck during delivery, inadvertent injury to the nerve during thoracic surgery, can also involve the phrenic nerve, resulting in phrenic paralysis. The etiology of some patients is unknown. Long term diaphragmatic paralysis can produce diaphragmatic atrophy and form a thin film.


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