After the development of paralysis that can last for 5-8th day of illness, recovery begins. During this period, reduced vascular inflammation, tissue swelling disappears and is restored functional activity of little affected cells. This explains in part, and pulmonary lesions and sometimes complete disappearance of the cut, observed in the early recovery period. In the subsequent restoration of lost function is slower and depends on the degree and extent of damage, and on the intensity and duration of treatment measures undertaken. Recovery of lost functions in the systemic treatment may occur several years later. Last meningialnoy form of polio, with the prevalence of general symptoms of infection – about the abortive poliomyelitis. Cases of abortive poliomyelitis can occur very easily, with short-term increase in temperature, light malaise, symptoms of varying intensity obscheinfektsionnymi, short-term Cathars and dyspeptic disorders, and in some cases, apparently, and no symptoms, it is very difficult to diagnose. Diagnosis.

In severe paralytic form of polio, especially during epidemic outbreaks of recognition does not cause great difficulties. Diagnosis is based on the account of epidemiological data, the acute onset of illness, availability radochnogo period with rapid development of flaccid paralysis with decreased tendon reflexes and muscle tone, as well as the clinical picture and likvorologicheskoy serous meningitis. Here we should emphasize the need for thorough neurological examination of the patient and exacting test of muscle strength in all muscle groups; desirable electromyography. In preparaliticheskoy phase polio, which has different variants of the course, have to differentiate from other diseases. The diagnosis of polio is always placed in the light of epidemiological data.

The differential diagnosis should voditsya against influenza, pneumonia, dysentery, food poisoning. It is very difficult to distinguish from meningeal form of polio serous meningitis, particularly those caused by so-called poliomielitopodobnymi parapoliomielitnymi or viruses (viruses of the coxsackie and ECHO). At Paralytic poliomyelitis is conducted to carry out a differential diagnosis of acute transverse myelitis acute polyradiculoneuritis that occur with disorders of sensitivity.

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