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We encountered three cases of Pasteurella multocida skin infection from pet cats. P. multocida wound infections are characterized by acute onset of erythema, pain, and swelling. This infection has rarely been reported in dermatology journals from Japan.
A case of pneumonia due to Pasturella ureae was encountered in a 57-year-old man who developed bilateral pulmonary infiltrates and respiratory insufficiency while convalescing in the hospital from a hip fracture and multiple rib fractures. Cultures of his sputum grew an essentially pure growth of Pasturella ureae. This organism, a small gram-negative rod, could be differentiated from the other Pasteurella species by its ability to hydrolyze urea and failure to produce indole. The literature on Pasteurella infections is briefly reviewed, and the recent taxonomic revisions of the genus Pasteurella are discussed.
Clinical effect of the administration of thiamphenicol (TP) and tylosin (TS) on bovine respiratory disease was investigated. Group I (n = 64) were administered TP (10 mg/kg) and TS (4 mg/kg), group II (n = 26) were given TP (5 mg/kg) and TS (2 mg/kg). For the control, TP group (n = 25) were given 20 mg/kg of TP and ampicillin group (n = 23) were given 10 mg/kg of ampicillin. As a result, improvement of clinical findings was more rapid and the cure rate was significantly higher in group I compared to those in the other 3 groups. These results showed that a combination therapy with minimal basic doses of TP and TS is very effective for some respiratory diseases in cattle.
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Respiratory diseases are second only to gastroenteric diseases in importance in rabbits. Pasteurellosis is the primary respiratory disease affecting domestic rabbits, but other bacteria (e.g., Bordetella broniseptica and Staphylococcus spp) are significant opportunistic pathogens. The primary manifestations are upper respiratory disease (e.g., rhinitis, sinusitis, conjunctivitis, and dacryocystitis). Various antimicrobials are effective for treatment.
We describe a patient with a urinary tract infection (UTI) caused by Pasteurella multocida. Pulsed-field gel electrophoresis revealed that the clinical isolate recovered from the patient was identical (100% band match) to P. multocida isolates recovered from the patient's cat, but the isolate differed from an isolate recovered from a visiting cat and from a laboratory control strain. The patient also had abnormal urologic anatomy secondary to surgery; this has also been associated with P. multocida UTI.
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Studied was strain Pasteurella multocida-547 isolated from pigs affected with an acute Pasteurella infection. Serologically and immunologically its antigen was most closely related to the antigen of strain R-473. The main somatic antigen was 0:6, and the antigenic formula was 6:B. Homologous sera were used to demonstrate the presence of subsidiary antigens by which the newly isolated strain differed from strains R-473 (6:B), 1235 (6:E), and 989 (11:B). The immunodiffusion test with proper sera and heat-resistant water-soluble antigens could yield results that correlate with the typing of P. multocida strains by capsule and somatic antigens as established through other methods.
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Respiratory infections which commonly occur in sheep and goats often result from adverse physical and physiological stress combined with viral and bacterial infections. Inevitably, Pasteurella haemolytica pneumonia occurs as a result of these interactions. In this review, we present recent advances in research on the complex etiology of pneumonia involving P. haemolytica. Initially stress, induced by factors such as heat, overcrowding, exposure to inclement weather, poor ventilation, handling and transport is a major predisposing factor. Respiratory viruses including parainfluenza 3 (PI-3) virus, adenovirus type 6 and respiratory syncytial virus (RSV), and to a lesser extent bovine adenovirus type 2, ovine adenovirus types 1 and 5, and reovirus type 1 cause respiratory infections and pneumonia. More importantly these viruses also dramatically increase the susceptibility of sheep and goats to secondary P. haemolytica infection. Primary infection of the lower respiratory tract, with Mycoplasma ovipneumoniae and Bordetella parapertussis can increase the susceptibility of sheep and goats to secondary P. haemolytica infection. It is possible that initial infections with viral or primary bacterial agents break down the antimicrobial barrier consisting of beta defensins and anionic peptides found in epithelial cells, resident and inflammatory cells, and serous and mucous secretions of the respiratory tract. Loss of barrier integrity may release P. haemolytica from its usual commensal status. Once in the lung, P. haemolytica becomes opportunistic. To grow and colonize, P. haemolytica uses extracellular products like O-sialoglycoprotein endopeptidase, neuraminidase and RTX leukotoxin, as well as cell-associated products such as capsular polysaccharide, lipopolysaccharide, outer membrane proteins, proteins involved in iron acquisition and a periplasmic superoxide dismutase. In lambs and kids, pneumonic pasteurellosis can be acute, characterized by fever, listlessness, poor appetite and sudden death. Sheep and goats that survive the acute stage may recover or become chronically affected showing reduced lung capacity and weight gain efficiency and sporadic deaths may occur. This infection is detrimental to sheep and goats throughout the world and flocks and herds of small ranches, dairy operations, or large feedlots are all affected.
To our knowledge, we report the first case of in utero infection in humans due to Pasteurella multocida in the first trimester of pregnancy. After antibiotic therapy was initiated, the mother recovered rapidly from bacteremia but the fetus was spontaneously aborted. Pathological examination of the fetus and placenta revealed acute deciduitis and chorionitis, indicating an infectious etiology for the abortion. The clinical and pathological features of this case are compared with those of the five previously reported cases of P. multocida bacteremia in humans that occurred during pregnancy.
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A micro-titration plate bactericidal assay was developed to measure complement-dependent antibody-mediated killing of Pasteurella haemolytica. Sera and lung washings from specific pathogen-free (SPF) lambs convalescent from a challenge with live, virulent P. haemolytica were bactericidal in the presence of complement. Similar samples from naive SPF lambs had no such activity. Purified IgG derived from a convalescent lamb serum was as bactericidal as the whole serum. Absorption of convalescent serum with lipopolysaccharide from P. haemolytica abolished bactericidal activity, suggesting that this antigen may be a target for antibody in the bactericidal complex.
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We report a case of endocarditis due to Pasteurella dagmatis complicated by vertebral osteomyelitis in a 55-year-old former alcoholic woman. To our knowledge, this is the second report of endocarditis attributed to that organism in the English-language medical literature. Rare cases of endocarditis due to other Pasteurella species and their varied clinical features are summarized.