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Results for “Tick Paralysis”

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At least 235 records · Page 13Linked to original sources
PubMed1992

Diseases diagnosed in gray foxes (Urocyon cinereoargenteus) from the southeastern United States.

Diagnostic findings were reviewed on 157 sick or dead gray foxes (Urocyon cinereoargenteus) from the southeastern United States examined during the period 1972 through 1989. Most foxes (n = 118) originated from Georgia; fewer animals were from Florida, Kentucky, Maryland, Mississippi, North Carolina, South Carolina, Tennessee, Virginia and West Virginia. Etiologic diagnoses included canine distemper (n = 125), congenital absence of guard hairs (n = 7), traumatic injuries (n = 7), rabies (n = 3), suspected toxicoses (n = 3), verminous pneumonia due to Paragonimus kellicotti (n = 1), bacterial septicemia secondary to Dracunculus insignis (n = 1), and tick paralysis (n = 1). Concurrent toxoplasmosis or toxoplasmosis or cryptosporidiosis was noted in six and three foxes with canine distemper, respectively. Only lesion diagnoses were attainable for three foxes, and six cases were classified as undetermined. Canine distemper was diagnosed in 78% of the foxes, was geographically widespread, was detected in 16 of 18 yr, and exhibited a seasonal pattern of occurrence. These facts indicate that canine distemper is more significant as a mortality factor for gray foxes than all other infectious and noninfectious diseases combined.

Animal Diseases↗
PubMedDate not supplied

Tick education.

Explore the source record for details and available documents.

Animals↗
PubMed1991

Tick-borne diseases.

Ticks may transmit a variety of human pathogens and are second in importance only to the mosquito as a vector of human disease. The majority of tick-borne diseases are nonspecific in their initial clinical and laboratory presentation and may be confused with a variety of more common illnesses. A history of tick exposure is frequently not available. Although specific serologic tests exist for confirming the diagnosis of many of these diseases, the time required for confirmation of results makes them of little use in the acute situation. Recognition of the epidemiology of tick-borne pathogens and clinical suspicion are of key importance in making the appropriate diagnosis. Early and specific therapy is a principal factor in reducing the morbidity and mortality associated with these diseases.

Animals↗
PubMed1990

Severe tick-bite fever in young children. A report of 3 cases.

Tick-bite fever in young children is usually a mild illness with few complications and no mortality. That it may assume a severe form is illustrated by the occurrence of 3 cases admitted to Johannesburg Hospital within 1 week in which 2 patients, 3 and 5 years old respectively, had severe involvement of the central nervous system with epileptiform fits and deep coma and loss of power of speech on recovering consciousness. The third patient, aged 5 years, developed an incipient haemorrhagic state as well as serious involvement of the central nervous system. The severe form of the disease in these patients appears to have been due to unusually virulent strains of Rickettsia conorii, probably acquired from dog ticks in their homes. All patients recovered on appropriate treatment. Two regained their normal speech after many weeks while the third patient's incipient haemorrhagic state rapidly resolved.

Child↗
PubMed1985

[Lesions of the nervous system in tick-borne erythema annulare].

The authors examined thirty-two patients with tick-borne erythema annulare which developed after tick bites. The disease had a peculiar nosological form and was characterized by tick sticking, an incubation period, the presence in the majority of patients of the temperature reaction and manifestations of general infection in the acute period, the development of migrating erythema annulare, frequent lesions (26 patients) of the nervous system in the form of the radicular symptoms, serous meningitis, pareses of the facial muscles, etc. Electrophysiological examination of patients revealed marked changes. Serological tests for tick-borne encephalitis proved negative. The time-course of the disease in the majority of patients was favourable. The disease was characterized by all features typical of an infection lesion, with neurological disorders being predominant, which requires further investigation.

Adult↗
PubMed1994

Detachment rhythms of immature Ixodes rubicundus from their natural host, the rock elephant shrew (Elephantulus myurus).

Detachment rhythms of immature Karoo paralysis ticks (Ixodes rubicundus) from their natural host, the rock elephant shrew (Elephantulus myurus), were investigated under laboratory and natural conditions. Larvae and nymphs detach mainly during the day. Peak detachment always occurred after the commencement of artificial as well as natural light cycles. The detachment of larvae appears to be more synchronous than that of nymphs, with a larger percentage of larvae detaching over a shorter period of time. The detachment rhythms of I. rubicundus are strongly correlated with the activity patterns of their hosts. This enhances not only the survival, but also the dispersion and host contact of subsequent stages.

Animals↗
PubMed2004

Biochemical perspectives on paralysis and other forms of toxicoses caused by ticks.

Tick toxicoses, of which paralysis is the most widespread and dominant form, are important elements of pathogenesis induced by ticks. Tick paralysis is the most widespread and dominant form of tick toxicoses. Non-paralytic forms of tick toxicoses do occur and evidence suggests that these forms of toxicoses are not evolutionary related. While functional significance has been suggested for tick toxins, the advantages for tick survival in general are not clear. This review considers the molecular nature of tick toxins, the possibility that tick toxins have originated more than once independently and whether these toxins could have unrecognized benign functions.

Amino Acid Sequence↗