Clinicopathology of Meningoventriculitis due to Streptococcus bovis Infection in Neonatal Calves.

Seimiya, Yukio; Ohshima, Kan-ichi; Itoh, Hiroshi; Ogasawara, Nobuyuki; Okutomo, Masanori; Tanaka, Syuichi

doi:10.1292/jvms.54.871

Cited by 16 publications

(22 citation statements)

References 8 publications

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“…These results suggest that the animal suffered from meningoventriculitis with septicemic S. pluranimalium infection, and that the organism might have a potential to induce septicemia or meningitis in neonatal calves. A possibility has been pointed out that several of streptococcal infections causing meningitis in neonatal calves are intrauterine [5,11]. It may be possible that the present case was also a continuation of the intrauterine infection, since nervous symptoms had been observed after birth.…”

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confidence: 78%

“…Meningitis and endophthalmitis are frequently concurrent in the streptococcal infections of neonatal calves [5,11]. Although the accurate reasons why the present calf was devoid of intraocular lesions remain unclear, it seems unlikely that the treatments with antibiotics might prevent the development of intraocular lesions, since the lesions can be induced in the early stage following the infection [5].…”

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confidence: 81%

“…The disease is most often caused by Escherichia coli [1,8,10], and occasionally by Pasteurella [12], Klebsiella oxytoca [9], and Enterobacter cloacae [7]. Streptococcal infections, such as S. pneumoniae [5] and S. bovis [11], also produce meningoventriculitis concurrently accompanied by endophthalmitis. However, there seems to be no report describing the disease associated with S. pluranimalium in neonatal calves.…”

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confidence: 99%

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Meningoventriculitis Caused by Streptococcus pluranimalium in a Neonatal Calf of Premature Birth

Seimiya

Takahashi

Kudo

et al. 2007

The Journal of Veterinary Medical Science

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ABSTRACT. Pathological and bacteriological examinations were carried out on a neonatal calf that had developed nervous symptoms such as opisthotonus and blindness since it was born one month prior to full term. The principal lesions were characterized by fibrinopurulent inflammation of the meninges, choroid plexuses, and ventricular walls with limited extension to the subependymal parenchyma in the spinal cord. Purulent inflammation was also found in several visceral organs and tissues. Streptococcus pluranimalium was isolated from the brain and cerebrospinal fluid. These results suggest that the animal suffered from meningoventriculitis with septicemic S. pluranimalium infection.

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confidence: 78%

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confidence: 81%

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confidence: 99%

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Meningoventriculitis Caused by Streptococcus pluranimalium in a Neonatal Calf of Premature Birth

Seimiya

Takahashi

Kudo

et al. 2007

The Journal of Veterinary Medical Science

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“…It is occasionally isolated from human intestine, and may be detected as the causative organism of infectious endocarditis, urinary infections and meningitis [1,2]. Although endogenous bacterial endophthalmitis caused by this organism has been previously reported in newborn calves [3], there have been no human cases reported to date. This report describes a rare case of surgical treatment for endogenous endophthalmitis caused by S. bovis complicated by bacteremia and suppurative spondylitis.…”

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confidence: 99%

A case of endogenous bacterial endophthalmitis caused by Streptococcus bovis

et al. 2007

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“…The pathological changes are characterized by fibrinopurulent inflammation of the meninges, choroid plexuses, and ventricular walls with rare secondary involvement of the central nervous system (CNS) parenchyma [3]. The disease is most often caused by Escherichia coli [3,9], and occasionally by Pasteurella [20], Streptococcus pneumoniae [9], S. bovis [19], or Klebsiella oxytoca [17]. Although meningitis [11] and meningoencephalitis [10,12] of neonatal calves due to Enterobacter cloacae, an opportunistic pathogen in immunologically compromised animals and humans such as neonates [1,16], have been also reported, the lesions of CNS parenchyma have not been sufficiently characterized.…”

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A Neonatal Calf with Concurrent Meningoencephalitis by Enterobacter cloacae and Enteritis by Attaching and Effacing Escherichia coli (O128)

Seimiya

Murakami

Takahashi

et al. 2007

The Journal of Veterinary Medical Science

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ABSTRACT. A neonatal calf developed nervous symptoms followed by diarrhea. The principal pathological changes were fibrinopurulent meningitis with necrosis of the cerebral parenchyma, and attaching and effacing lesions in the intestine. Cerebral necrosis was frequently associated with vascular changes. Enterobacter cloacae was isolated from the brain and Escherichia coli (O128) from the intestinal content. These suggest that cerebral and intestinal lesions were caused by the isolated organisms, and that most necrosis of the cerebral parenchyma might be infarctive. A neonatal calf was affected on a dairy farm raising 25 Holstein-Friesian cows or calves in Iwate Prefecture. The calf was born at full term after dystocia in September 1999, and had made a little attempt to suck colostrum from the dam. Since birth, the animal had shown anorexia, depression, and difficulty in standing and walking, and impaired vision was indicated by the frequency of bumping its head against the wall. The body temperature was not examined. After worsening day by day, the animal developed swollen cubital joints and excreted loose feces with mucus at the age of eight days, and was euthanatized two days later. There was no medical treatment attempted during the disease course.At necropsy, the principal lesions were confined to the CNS and digestive tract. There was an increased amount of cloudy cerebrospinal fluid along with dilation of the ventricles and mesencephalic aqueduct, especially both of the lateral ventricles. The meninges of the brain and spinal cord were congestive and cloudy with petechiae. On frontal sections of the CNS, necrotic foci ranging from 2 to 10 mm in diameter were scattered throughout the corpus striatum and thalamus, and occasionally in the cerebral parietal lobe. The small and large intestinal walls were flaccid with small amounts of fluid in the lumina. Mucus was found on the colonic and rectal mucosa, and blood-tinged mucus was present on the congestive cecal mucosa. Other findings were fibrinous exudate on the peritoneal surface, an increased quantity of cloudy synovial fluid in many limb joints, especially the cubital joints, and atrophic thymus.Tissue blocks collected throughout the body were fixed in 10% neutral buffered formalin and embedded in paraffin wax. Sections of tissue were stained with hematoxylin and eosin (HE). Selected sections of the CNS and intestine were stained with Gram (Brown and Brenn method), phosphotungstic acid hematoxylin (PTAH), periodic acid Schiff (PAS), azan, Masson trichrome, and Weigert's fibrin as well as the streptavidin-biotin-peroxidase (SAB) method. The SAB method was applied using a SAB kit (Nichirei Co., Tokyo) and rabbit hyperimmune sera against E. coli O128 (Denka Seiken Co., Tokyo) or against E. cloacae [11]. Specimens from the ileum fixed in 10% buffered formalin were postfixed in 1% osmium tetroxide-phosphate buffer, embedded in epoxy resin, sectioned, and stained with uranyl acetate and lead citrate for transmission electron microscopy. The specimens of osmium fi...

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Clinicopathology of Meningoventriculitis due to Streptococcus bovis Infection in Neonatal Calves.

Cited by 16 publications

References 8 publications

Meningoventriculitis Caused by Streptococcus pluranimalium in a Neonatal Calf of Premature Birth

Meningoventriculitis Caused by Streptococcus pluranimalium in a Neonatal Calf of Premature Birth

A case of endogenous bacterial endophthalmitis caused by Streptococcus bovis

A Neonatal Calf with Concurrent Meningoencephalitis by Enterobacter cloacae and Enteritis by Attaching and Effacing Escherichia coli (O128)

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