(1) The ability of Trichinella spiralis larvae to survive at subfreezing temperatures encysted in the musculature of wild carnivorous mammals was assessed by evaluating motility and infectivity (to rodents) of trichinae at various intervals after storage in frozen skeletal muscle.
(2) Seroconversion occurred in all pigs given infective Trichinella larvae although no trichinae were recovered from pigs given T. spiralis nativa larvae and examined between days 92 and 99 postinfection by pepsin digestion.
(3) All other bioassays carried out on Genoa salami between 13 and 42 days postpreparation, on proscuittini between days 27 and 69 and on proscuitto between days 34 and 69 were negative for viable trichinae.
(4) Trichinae were present in greatest numbers in masseter, tongue and diaphragm.
(5) Trichina counts per gram of tissue obtained by the artificial digestion-Baermann method ranged from 1390 to 0.02.
(6) Little cellular reaction was observed surrounding trichinae after muscle invasion and cyst development was completed except for cysts undergoing disintegration.
(7) Eight patients were admitted to hospital; muscle biopsy was done on one serious case and trichina larvae were detected.
(8) Using the pooled-sample digestion technique, 3 dead trichina larvae were identified in 1 sample pooled from 15 diaphragms (10 g each).
(9) The first signs of the disease appeared on average 17 days after eating trichina-containing meat.
(10) Rat bioassay revealed the presence of viable trichinae in the proscuitto prepared using a sodium chloride salt mixture at day 34 but not at day 48 postpreparation.
(11) Temperature elevation of the swine did not affect the viability of the trichinae.
(12) At various times postpreparation, samples of the various cured products were taken and examined by pepsin digestion and rat bioassay for the presence of viable trichinae.
(13) In both cases, however, the diagnosis was established histologically by demonstrating trichina larvae in the patients' muscle biopsies.
(14) In pigs, even in those heavily infected, there is a lag between the period that trichinae in musculature become infective and development of antibodies as detected by enzyme-linked immunosorbent assay which results in false negative reactions in many animals.
(15) Viable trichinae were not recovered from ground bear meat preparations (pepperoni, salami, or sausage) processed according to commercial standards.
(16) Six California bears and one from Wisconsin contained more than one trichina per gram, a level considered capable of inducing clinical trichinosis in man.
(17) Results also demonstrated the presence of a critical temperature about minus 30 degrees C below which trichinae in meat do not survive for any appreciable period of time.
(18) Trichina larvae from hog cholera infected swine were freed from diaphragmatic tissue by artificial digestion.
(19) The survival and the transplantation of adult trichinae collected in cyclophosphamide treated and untreated mice were studied.
(20) Survival has not been reported previously in patients with greater than 1,000 trichinae per gram of muscle.
Trichinosis
Definition:
(n.) The disease produced by the presence of trichinae in the muscles and intestinal track. It is marked by fever, muscular pains, and symptoms resembling those of typhoid fever, and is frequently fatal.
Example Sentences:
(1) An enzymatic and immunologic study of 18 patients with trichinosis leads to the following conclusions: The stage of muscular invasion in trichinosis is accompanied by a release of cellular enzymes representative of striated muscle fibres in nearly all the cases.
(2) Control strategies to prevent human trichinosis should include trichinosis surveillance of all commercial swine, as well as strict compliance with current regulations.
(3) Further investigation is needed to establish its role in the treatment of taeniasis, Hymenolepsis nana, Strongyloidiasis, Trichinosis, and Dipetalonema perstans.
(4) Parasitic zoonoses caused by nematodes, such as trichinosis, present a public health concern as well.
(5) This study indicates that both ketoconazole and mebendazole should be considered in the treatment of trichinosis in humans.
(6) In 1982, an epidemic of acute trichinosis occurred in Bitburg with 402 cases.
(7) The most important diseases are toxoplasmosis, taeniasis, cysticercosis, sparganosis, clonorchiasis, fascioliasis, fasciolopsiasis, paragonomiasis, echinostomiasis, trichinosis, gnathostomiasis, and angiostrongyliasis.
(8) Although fewer than 100 cases per year are reported to CDC, trichinosis continues to persist as a public health problem in this country.
(9) Tests for trichinosis and other parasites and for allergic and connective-tissues disorders were negative, and serum immunoglobulin concentrations and erythrocyte sedimentation rates were normal.
(10) Two outbreaks of trichinosis occurred in France in 1985 and 1,073 cases were identified.
(11) Mucosal peroxidase is localized in LP cells and its activity increases several-fold during intestinal trichinosis.
(12) E. coli pyelonephritis produced a similar adrenal response, although the peak serum corticosterone caused by pyelonephritis was less than the serum corticosterone occurring during the first peak of eosinophilia during trichinosis.
(13) This article reported the result of the chest radiographs of 14 patients with trichinosis, in regard to the X-ray manifestations, pathologic basis and clinical significance.
(14) The role of tail chewing in the transmission of trichinosis in swine is briefly discussed.
(15) Procedures known to deplete or inactivate the pool of recirculating lymphocytes such as neonatal thymectomy, administration of antilymphocyte serum, and prolonged thoracic duct drainage, either singly or in combination, resulted in a highly significant reduction in the eosinophil response to trichinosis.
(16) Trichinella spiralis is a parasite of carnivorous animals that causes the disease trichinosis.
(17) Clinical and morphologic observations are described in a 46 year old woman with fatal trichinosis.
(18) Trichinosis should be considered in the differential diagnosis of eosinophilia in travelers returning from abroad.
(19) Before 1990, the proportion of cases of trichinosis attributable to consumption of commercial pork had declined steadily.
(20) A severe case of trichinosis occurred following the ingestion of raw meat from a common black bear, Ursus americanus, that was shot in Butte County, California.