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Abstract
Early-onset sepsis remains a common and serious problem for neonates, especially preterm infants. Group B streptococcus (GBS) is the most common etiologic agent, while Escherichia coli is the most common cause of mortality. Current efforts toward maternal intrapartum antimicrobial prophylaxis have significantly reduced the rates of GBS disease but have been associated with increased rates of Gram-negative infections, especially among very-low-birth-weight infants. The diagnosis of neonatal sepsis is based on a combination of clinical presentation; the use of nonspecific markers, including C-reactive protein and procalcitonin (where available); blood cultures; and the use of molecular methods, including PCR. Cytokines, including interleukin 6 (IL-6), interleukin 8 (IL-8), gamma interferon (IFN-γ), and tumor necrosis factor alpha (TNF-α), and cell surface antigens, including soluble intercellular adhesion molecule (sICAM) and CD64, are also being increasingly examined for use as nonspecific screening measures for neonatal sepsis. Viruses, in particular enteroviruses, parechoviruses, and herpes simplex virus (HSV), should be considered in the differential diagnosis. Empirical treatment should be based on local patterns of antimicrobial resistance but typically consists of the use of ampicillin and gentamicin, or ampicillin and cefotaxime if meningitis is suspected, until the etiologic agent has been identified. Current research is focused primarily on development of vaccines against GBS.
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2
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Abstract
The nonpoliovirus enteroviruses commonly infect newborns, with consequences ranging from asymptomatic infection and benign illness, to severe, life-threatening disease. Frequently occurring symptoms include fever, irritability, lethargy, anorexia, and rash. Although most illnesses are mild, severe disease develops in a subset of newborns infected in the first 2 weeks of life. Severe disease may consist of sepsis, meningoencephalitis, myocarditis, pneumonia, hepatitis, and/or coagulopathy. Substantial mortality rates have been reported, and long-term sequelae may occur among survivors. Risk factors and clinical features associated with severe disease include absence of neutralizing antibody to the infecting serotype, maternal illness prior to or at delivery, prematurity, illness onset within the first few days of life, multiorgan disease, severe hepatitis, positive serum viral culture, and specific infecting serotype (e.g. group B coxsackieviruses and echovirus 11). Whereas the mainstay of diagnosis has traditionally been viral isolation in tissue culture, the polymerase chain reaction has been demonstrated to be more sensitive than culture, highly specific, and rapid. Immunoglobulin has been used as a therapeutic agent for neonates with enterovirus disease; however, clinical efficacy has not been proven. Specific antiviral therapy for enteroviruses is in development. Pleconaril is an investigational agent that inhibits viral attachment to host cell receptors and uncoating of viral nucleic acid. It has broad and potent anti-enterovirus activity, excellent oral bioavailability, and is well tolerated. Some clinical trials have demonstrated benefit in children and adults with enterovirus meningitis, and in adults with upper respiratory tract infections caused by picornaviruses (rhinoviruses or enteroviruses). Data summarizing compassionate use for severe enterovirus diseases (including neonatal sepsis) also suggest possible benefit. Limited pharmacokinetic data are available in infants and neonates. A multicenter, placebo-controlled, randomized trial of pleconaril in neonates with severe hepatitis, coagulopathy, and/or myocarditis is currently being conducted.
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Affiliation(s)
- Mark J Abzug
- Department of Pediatrics, Pediatric Infectious Diseases, University of Colorado School of Medicine and The Children's Hospital, Denver, Colorado 80218, USA
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3
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Kawashima H, Ryou S, Nishimata S, Ioi H, Kashiwagi Y, Iizumi M, Takami T, Sasamoto M, Takekuma K, Hoshika A, Mori T. Enteroviral hepatitis in children. Pediatr Int 2004; 46:130-4. [PMID: 15056237 DOI: 10.1046/j.1442-200x.2004.01857.x] [Citation(s) in RCA: 15] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/20/2022]
Abstract
BACKGROUND The pathogen causing enteroviral hepatitis is often not found despite careful examination. METHODS This study investigates the enterovirus genome in serum and liver tissue obtained from patients who showed abnormal liver function without negative data of usual studies and cytomegalovirus (CMV) serologically positive cases.' RESULTS Nine out of 21 serum samples were positive by using reverse transcriptase-polymerase chain reaction (RT-PCR) for enterovirus. The 21 samples had CMV-IgM antibodies in five cases. These CMV serologically positive cases were all negative for enterovirus using RT-PCR. Therefore, nine out of 16 (60%) were of unknown etiology. Some cases showed liver dysfunction over a period of more than 6 months. The liver function revealed that all cases finally improved. The sequences coincided with those of Coxsackie B5 or B6 with the highest score by gene homology search. The liver pathology revealed that two of three subjected cases had mild fibrosis and small cell infiltration. RT-PCR of liver tissue for enterovirus were positive in all three cases comparing the house keeping gene. The viral load was high in acute phase and low in convalescent phase. CONCLUSIONS In more than half of children with illnesses of unknown etiology, the pathogen was found to be enteroviruses, and RT-PCR and quantification of serum is an easy method to identify these diseases.
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4
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Starlin R, Reed N, Leeman B, Black J, Trulock E, Mundy LM. Acute flaccid paralysis syndrome associated with echovirus 19, managed with pleconaril and intravenous immunoglobulin. Clin Infect Dis 2001; 33:730-2. [PMID: 11477532 DOI: 10.1086/322624] [Citation(s) in RCA: 24] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/20/2000] [Revised: 01/04/2001] [Indexed: 11/03/2022] Open
Abstract
We describe a 39-year-old woman who had undergone bilateral lung and renal transplantation and who was admitted to the hospital with acute onset of flaccid paralysis of the left leg due to echovirus 19 infection. The patient was treated with pleconaril and intravenous immunoglobulin, which correlated with clinical and laboratory evidence of improvement.
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Affiliation(s)
- R Starlin
- Division of Infectious Diseases, Washington University School of Medicine, St. Louis, MO 63110, USA
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5
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Abstract
BACKGROUND Neonatal enterovirus hepatitis and coagulopathy (EHC) can be a severe, life-threatening infection. However, the case-fatality rate of EHC and the prognosis for survivors are not well-defined. METHODS A search of a hospital medical records database and the investigator's files for the period 1983 to 2000 was performed. Patients with onset of enterovirus-associated illness at age < or = 30 days and either (1) aspartate aminotransferase or alanine aminotransferase > 3 times the upper limit of normal or (2) platelet count < 100 000 plus an abnormal coagulation profile were included. RESULTS Sixteen cases were identified. Symptoms began at a mean of 3.8 days (range, 1 to 7 days). Frequent clinical and laboratory findings included jaundice, lethargy, anorexia, hepatomegaly, thrombocytopenia, clotting time prolongation, elevated transaminase and bilirubin values and decreased fibrinogen and albumin concentrations. Five patients had myocarditis and 4 had encephalitis. Hemorrhagic complications occurred in 10 (intracranial hemorrhage in 5). Five (31%) patients died. Features discriminating patients who died from survivors were concomitant myocarditis (5 of 5 vs. 0 of 11, P < 0.001), encephalitis (3 of 5 vs. 1 of 11, P = 0.06), prothrombin time > 30 s (4 of 5 vs. 1 of 9, P = 0.02) and intracranial hemorrhage (4 of 5 vs. 1 of 8, P = 0.03). Follow-up of 6 survivors revealed normalization of liver function and platelet counts, satisfactory growth and absence of significant medical problems. CONCLUSIONS The case-fatality rate of 31% is evidence of the potentially devastating nature of EHC. Concomitant EHC and myocarditis are especially serious, but the prognosis for children who survive neonatal EHC is generally excellent.
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Affiliation(s)
- M J Abzug
- The Children's Hospital, Denver, CO 80218, USA.
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6
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Ventura KC, Hawkins H, Smith MB, Walker DH. Fatal neonatal echovirus 6 infection: autopsy case report and review of the literature. Mod Pathol 2001; 14:85-90. [PMID: 11235909 DOI: 10.1038/modpathol.3880260] [Citation(s) in RCA: 41] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/09/2022]
Abstract
A full-term, healthy male neonate was delivered by caesarian section to a 26-year-old primigravida woman who had a history of fever and upper respiratory tract infection. On the fourth day of life, the neonate developed a sepsis-like syndrome, acute respiratory and renal failure, and disseminated intravascular coagulopathy. He died 13 days after birth. Postmortem examination revealed jaundice, anasarca, massive hepatic necrosis, adrenal hemorrhagic necrosis, renal medullary hemorrhage, hemorrhagic noninflammatory pneumonia, and severe encephalomalacia. Echovirus type 6 was isolated from blood, liver, and lungs. Although uncommon, echovirus type 6 infection may produce a spectrum of pathologic findings similar to those seen with the more commonly virulent echovirus type 11.
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Affiliation(s)
- K C Ventura
- Department of Pathology, University of Texas Medical Branch, Galveston 77555, USA
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7
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Affiliation(s)
- M J Abzug
- Pediatric Infectious Diseases, University of Colorado School of Medicine and The Children's Hospital, Denver 80218, USA.
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8
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Silver MM, Hellmann J, Zielenska M, Petric M, Read S. Anemia, blueberry-muffin rash, and hepatomegaly in a newborn infant. J Pediatr 1996; 128:579-86. [PMID: 8618200 DOI: 10.1016/s0022-3476(96)70377-3] [Citation(s) in RCA: 19] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 01/31/2023]
Affiliation(s)
- M M Silver
- Department of Pathology, Hospital for Sick Children, Toronto, Ontario, Canada
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9
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Oliveira LH, Fonseca ME, De Bonis M. Placental phagocytic cells infected with herpes simplex type 2 and echovirus type 19: virological and ultrastructural aspects. Placenta 1992; 13:405-16. [PMID: 1335148 DOI: 10.1016/0143-4004(92)90048-x] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/26/2022]
Abstract
Placental macrophage cells were kept in a short-term culture and infected with herpes simplex type 2 virus and echovirus type 19. These were observed under optical and electron microscopy. Immunofluorescence, virus titration and autoradiographic technique were used to determine if the virus was replicating in the system. The results showed that the placental phagocytic cells do not allow virus growth and that the virus particles are destroyed right after virus uptake, within 4 h post-infection. The increase of lipid bodies and other cellular alterations suggested the intensive action of these cells against viruses.
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Affiliation(s)
- L H Oliveira
- Department of Virology, Federal University of Rio de Janeiro, Brazil
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Garcia AG, Basso NG, Fonseca ME, Zuardi JA, Outanni HN. Enterovirus associated placental morphology: a light, virological, electron microscopic and immunohistologic study. Placenta 1991; 12:533-47. [PMID: 1775446 DOI: 10.1016/0143-4004(91)90029-f] [Citation(s) in RCA: 20] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/28/2022]
Abstract
The purpose of this study was to identify the possible effect of enteroviruses on placental tissue. Seventy-eight pregnant women were studied throughout their pregnancy: enteroviral infection was detected by faecal viral isolation and seric neutralization of previously identified virus in cell culture. In 19 cases of confirmed maternal infection, placentae were examined grossly, by optical microscopy, immunohistochemical and electron microscopic methods. Ten term placentae from women included in the study, with no clinical, serological or virological evidence of enteroviral infection, were used as control, and examined by gross and optical microscopy. In 17 specimens (echovirus-coxsackievirus) an haematogenous placentitis was suspected on the basis of gross observation. Microscopic lesions were similar to those found in other viral infections, with specific features. The nature of the inflammatory reaction pointed to the presence of an acute type of haematogenous placentitis, not present in placentae of the control group. The authors (AA) comment on the results and present the hypotheses about the available data: (1) maternal enteroviremia and faecal virus shedding without placental invasion, placentary damage being an unspecific consequence of infection; (2) direct virus-induced injury is not the only possible cause for the lesions: (3) placental enteroviral infection occurred with placental pathology but the virus did not cross the organ as the newborn had no signs of infection.
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Affiliation(s)
- A G Garcia
- Departamento de Anatomia Patologica do Instituto Fernandes Figueira, FIOCRUZ, Rio de Janeiro, Brasil
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11
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Wreghitt TG, Sutehall GM, King A, Gandy GM. Fatal echovirus 7 infection during an outbreak in a special care baby unit. J Infect 1989; 19:229-36. [PMID: 2600441 DOI: 10.1016/s0163-4453(89)90709-3] [Citation(s) in RCA: 19] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/01/2023]
Abstract
A case of fatal echovirus 7 infection in a neonate which was probably acquired from the symptomatic mother and an outbreak of infection in a neonatal unit are described. The baby who died had extensive haemorrhagic necrosis of the brain, liver, adrenal glands and kidneys as well as disseminated intravascular coagulation. Three other babies and one member of staff were found to be infected. No other babies died. Human normal immunoglobulin was administered to all babies on the unit.
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Affiliation(s)
- T G Wreghitt
- Clinical Microbiology and Public Health Laboratory, Addenbrooke's Hospital, Cambridge, U.K
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12
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Hübscher SG, Adams DH, Buckels JA, McMaster P, Neuberger J, Elias E. Massive haemorrhagic necrosis of the liver after liver transplantation. J Clin Pathol 1989; 42:360-70. [PMID: 2654189 PMCID: PMC1141906 DOI: 10.1136/jcp.42.4.360] [Citation(s) in RCA: 37] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/02/2023]
Abstract
Six of the first 85 patients who received the first 100 liver transplantations carried out in Birmingham developed a syndrome of fulminant liver failure with distinctive clinical and pathological features. The typical clinical presentation was of an uneventual initial postoperative period, followed by a sudden deterioration in graft function, progressing rapidly to graft failure. All six patients died. The characteristic pathological changes were those of massive haemorrhage and hepatocyte necrosis with only mild inflammation and without occlusive lesions in large arteries or veins. These distinctive features differed from other recognised patterns of graft damage and seemed to comprise a specific post-transplant syndrome. The pathogenesis was not clear and in the absence of any definite aetiology it is suggested that the term "massive haemorrhagic necrosis" be used to describe these cases. Additional findings seen in five of the six cases were venoocclusive lesions (n = 4) and a combination of ductopenia and foam cell arteriopathy (n = 2). The presence of these associated lesions suggests that there may be an overlap with other types of graft damage.
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Affiliation(s)
- S G Hübscher
- Department of Pathology, University of Birmingham
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13
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14
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Carolane DJ, Long AM, McKeever PA, Hobbs SJ, Roome AP. Prevention of spread of echovirus 6 in a special care baby unit. Arch Dis Child 1985; 60:674-6. [PMID: 4026369 PMCID: PMC1777293 DOI: 10.1136/adc.60.7.674] [Citation(s) in RCA: 18] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 01/08/2023]
Abstract
A case of fatal neonatal infection with enteric cytopathogenic human orphan virus (echovirus) type 6 is presented. The measures taken to prevent further spread of infection with special reference to the use of human normal immunoglobulin are described.
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15
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Speer ME, Yawn DH. Fatal hepatoadrenal necrosis in the neonate associated with echovirus types 11 and 12 presenting as a surgical emergency. J Pediatr Surg 1984; 19:591-3. [PMID: 6502433 DOI: 10.1016/s0022-3468(84)80111-6] [Citation(s) in RCA: 12] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 01/20/2023]
Abstract
Two neonates presented to our service with suspected intraabdominal surgical emergencies. Both subsequently were found to have hepatoadrenal necrosis due to overwhelming echoviral infection. Echovirus types 11 and 12 were isolated postmortem. The latter virus has not been associated previously with fulminant neonatal illness.
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Mostoufizadeh M, Lack EE, Gang DL, Perez-Atayde AR, Driscoll SG. Postmortem manifestations of echovirus 11 sepsis in five newborn infants. Hum Pathol 1983; 14:818-23. [PMID: 6885039 DOI: 10.1016/s0046-8177(83)80304-9] [Citation(s) in RCA: 37] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 01/22/2023]
Abstract
Five cases of fatal neonatal echovirus type 11 infection were observed in the Boston area during the summer and fall of 1979. Four of the mothers experienced gastroenteritis with fever and abdominal cramps late in the third trimester of pregnancy. The clinical course of each case was characterized by jaundice, hepatosplenomegaly, and progressive hepatic failure; all five infants were severely hypotonic. At autopsy massive hepatic and adrenal hemorrhage and necrosis, with evidence of consumption coagulopathy, were found. Echovirus type 11 was isolated from various sites before and after death. The histopathologic features and epidemiologic aspects of these cases are briefly discussed.
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17
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Manning D, Gorman WA, Hillary IB. Neonatal echovirus type 17 infection in twins. Ir J Med Sci 1983; 152:316-7. [PMID: 6629708 DOI: 10.1007/bf02945306] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/21/2023]
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18
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Abstract
A chart review was made of 24 neonates less than one month of age with culture-proven enteroviral infection. The seasonal distribution was summer and fall. An antecedent illness was common in the mother or other family members. One patient had a mild gastroenteritis. Three categories of severe disease were noted: (a) meningitis accounted for 50 per cent of the illnesses; (b) myocarditis for 25 per cent of the illnesses; and (c) the remainder presented with a severe sepsis-like illness. High mortality rate was associated with low birth weight and low gestational age.
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19
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Reyes MP, Ostrea EM, Roskamp J, Lerner AM. Disseminated neonatal echovirus 11 disease following antenatal maternal infection with a virus-positive cervix and virus-negative gastrointestinal tract. J Med Virol 1983; 12:155-9. [PMID: 6619813 DOI: 10.1002/jmv.1890120210] [Citation(s) in RCA: 25] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/21/2023]
Abstract
An infant girl was born apparently well one week after her mother had had a mild illness with chills, fever, and diarrhea. On the third day of life, the infant became ill and died four days later with necrotizing hepatitis. On the same day, echovirus type 11 was recovered from the throat, rectum, and buffy coat of the infant and from the cervix of the mother. At this time, the mother had an IgM neutralizing antibody titer to echovirus type 11 and 1:128, but no IgG antibodies. The infant had no echovirus type 11 antibodies. The virus was also isolated from the baby's liver and adrenal at autopsy. These findings raise the possibility of enterovirus infection at delivery from a contaminated cervix.
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20
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21
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22
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23
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Abstract
Twenty-seven ill neonates with enterovirus infections were studied to learn if enterovirus infection can be distinguished from neonatal sepsis. Enterovirus infection was associated with the summer-fall season (93%), recent maternal illness (59%), absence of other perinatal problems (81%), and findings of fever (93%), viral meningitis (62%), diarrhea (81%), and rash (41%). Four children developed thrombocytopenia and three necrotizing enterocolitis. Three children died, all with Coxsackie B virus infections that likely were acquired in utero. Although no single feature is pathognomonic, this constellation of epidemiologic and clinical findings, coupled with negative bacterial cultures, should suggest the possibility of neonatal enterovirus infection.
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24
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Abstract
Twenty-four infants under 6 months infected with echovirus 19 are described, They were the youngest of the many children admitted to hospitals in Newcastle and Gateshead during an epidemic in the north-east of England in 1974. Generally, the younger the child the more severe the illness, which affected the upper respiratory tract, the gut, the skin, and the meninges, and sometimes caused as state of collapse resembling septicaemic shock. Polymorphonuclear pleocystosis of the cerebrospinal fluid (CSF) sometimes suggested bacterial meningitis, so that antibiotics were given in 38% of cases. The virus was recovered with a high success rate from nasopharyngeal secretions, CSF, and stool.
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25
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Abstract
An epidemic of echo 19 virus infection in a neonatal unit affecting 12 babies with one death is described. With one exception it was confined to the neonatal unit and medical and nursing staff were also affected. The unit was closed for 9 days, then was disinfected, and there was no recurrence.
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26
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Abstract
We report the first large-scale outbreak of echovirus 19 infection. It occurred in the north-east of England during the summer and autumn of 1974. The virus was isolated from 268 patients in the region. The infection spread from the urban to more rural areas, reaching a peak in mid-August. Males were affected more often than females in the ratio 1-6:1. Half of the patients were under eight years of age, relatively few were over 35 years. Aseptic meningitis and upper respiratory infections were the commonest presentations, though a wide range of other diseases occurred including gastroenteritis, myalgia, pericarditis, undifferentiated pyrexia, rashes and a syndrome analagous to bacteraemic shock. There was no evidence that the pattern or severity of the disease changed during the outbreak. Infants under the age of six months were more seriously affected than older children and adults. All patients except one made an uneventful recovery. Of the routine tissue culture cells HEp2 and HeLa were by far the most satisfactory for virus isolation.
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27
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Reimann HA. Infectious diseases: annual review of significant publications. Postgrad Med J 1974; 50:485-96. [PMID: 4377174 PMCID: PMC2495653 DOI: 10.1136/pgmj.50.586.485] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/10/2023]
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28
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Abstract
Twenty-three infants less than six weeks of age with fever of 100.4 degrees F, or higher and no evidence of bacterial infection were seen at the Cincinnati General Hospital from July to December, 1971. Seventeen of these were admitted to the hospital; 15 were treated with penicillin and kanamycin for possible sepsis. Viral isolation was attempted on 21 of these infants, and ECHO viruses were isolated from 14 (66.7 per cent), compared to three (14.3 per cent) of 21 controls. Eleven of the 14 ECHO viruses isolated were type 4, and the other 3 were types 6, 11, and 25 respectively. Acute and convalescent serum was obtained from 11 of the 21 infants; seven had a fourfold rise in antibody to ECHO virus type 4. Most of the children had fever with irritability, six of the 23 had a fine maculopapular rash, and three had aseptic meningitis. This study suggests that ECHO viruses may be a significant cause of febrile illness in young infants during the summer and fall and may account for illnesses which lead to hospitalization as possible sepsis.
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Affiliation(s)
- C C Linnemann
- Clinical Virology Laboratory, Department of Medicine, Department of Pediatrics, University of Cincinnati College of Medicine, Cincinnati, Ohio, USA
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