понедельник, 17 ноября 2008 г.

Parainfluenza. Unlike

Parainfluenza. Unlike a flu has no such accurate clinical picture, it is not observed also so big epidemic flashes buy cipro online which features could be used for differential diagnostics Influenzal epidemic flash develops acutely, even , as an incubation interval at a flu very short (12...
24, and at a paraflu-3... 6 days, and illness flash develop slowly. Rather a small number of the diseased, slow development of flash, its admixed character (i.e., besides a parainfluenza, during same time are observed and to other aetiology) do not give possibility so effectively as at flu, to use epidemiological data. At the same time, if to take a total annual case rate, the number ill with a parainfluenza can come nearer to number of the persons who have transferred a flu (at least in the organised collectives). Parainfluenza viruses happens about 20 % of all at adults and to 30 % - at children are caused, the case rate is observed during the cold period of year with its rising in the end of winter and in the beginning of spring.
The clinical picture of a parainfluenza essentially differs from that at a flu. Disease begins gradually is more often, and the maximum expression the clinical semiology reaches during 2... 3 days. On all extent of illness the body temperature, as a rule, remains subfebrile (to 38 °), symptoms of the general intoxication are expressed weakly. Only at separate patients the temperature can reach febrile digits but also then does not develop the expressed symptoms of a toxicosis. It is not observed, in particular, pains in eyeballs, the muscular pains, the raised sweating. These features can be used at differential diagnostics of a parainfluenza from a flu. The body temperature at a parainfluenza is normalised also to 3... To 5 day of illness.
Inflammatory changes of mucosas of respiratory tracts are presented 13 kind of a rhinitis, a pharyngitis and especially a laryngitis. In a larynx inflammatory changes, especially at children at whom the picture of a parainfluenza false croup (a stenosis of a larynx of 1-11 degrees) can develop even are most expressed. At adult patients of a croup does not happen. the bronchitis becomes perceptible seldom. Complications by a pneumonia arise less often, than at a flu.
Differential diagnostics of a parainfluenza from adenoviral diseases is complicated by that as thus, and at other disease the conjunctivitis (at 50 % of patients) often develops and the moderate augmentation of peripheric lymph nodes becomes perceptible.
For express diagnostics detection of a virus of a parainfluenza in slime of a fauces and a nose with the help a method is used. Serological tests are applied to retrospective diagnostics (, ) which spend with didymous Serums. Antiserum capacity increase in 4 times and more is diagnostic. At development of epidemic flash in any collective positive takes the researches, received with Serums of the first patients, allow to establish with the big buy rimonabant now degree of probability an aetiology at later arriving patients as parainfluenza flash (because of more long incubation interval) develops slowly and proceeds is long.
Thus, at moderate rising of a case rate in the end of winter and the beginning of spring in any collective, rather gradual course of a disease, prevalence of catarrh of the top respiratory tracts, the expressed laryngitis, a subfebrile body temperature and rather good state of health of the patient it is possible to think of possibility of parainfluenza disease. The diagnosis becomes rather probable when at the first patients from this collective the parainfluenza aetiology is laboratory established.
approximately with the same frequency as a flu and , proceed more often in the form of epidemic flashes, during time in separate collectives on their share it is necessary to 50 % and
from general number , whereas during interepidemic time no more than 3 % at adults and about 7 % - at children.
Flashes adenoviral disease become perceptible during the first 3 in again 4 » collectives. It speaks that viruses circulates very much (from above 30) and in the antigenic relation they essentially differ. In again generated collective there is as though"hashing", i.e. A mutual exchange of different types of adenoviruses. An incubation interval at adenoviral diseases long enough (more often 5... 7 days), and flash, as well as at a parainfluenza, develop slowly. Diseases meet mainly in a cold season.

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