Park, Sun Young;Seo, Kyoo Hyun;Lee, Jae Min;Lee, Eun Sil;Kim, Saeyoon
Neonatal Medicine
/
v.24
no.1
/
pp.26-31
/
2017
Purpose: To identify the factors associated with differential diagnosis of neonatal bacterial meningitis at the earliest opportunities possible and to evaluate the value of the bacterial meningitis score especially in neonates. Methods: We conducted a single-center, retrospective study of neonates diagnosed meningitis at our hospital between January 2000 and March 2014. We compared the general characteristics, clinical manifestations, laboratory findings, bacterial meningitis scores between the bacterial group and the aseptic group. Results: Bacterial meningitis differs significantly from aseptic meningitis in platelet count, the cerebrospinal fluid polymorphonuclear leukocyte count, and the serum protein including also the albumin (P<0.05). Except two infants, the bacterial meningitis score over 2 accurately predict bacterial meningitis in the other 11 infants. Conclusion: The bacterial meningitis score appears highly useful to identify neonatal infants with bacterial meningitis. However, its diagnostic and prognostic value is just 'adjunctive', because low score cannot rule out bacterial meningitis.
Purpose : We investigated the causative organisms of bacterial meningitis by age distribution from 1996 to 2005. Methods : Retrospective data were obtained from the medical records with diagnosis of bacterial meningitis or neonatal meningitis from 1996 through 2005. A case was defined by isolation of organism or detection of its antigen by latex agglutination from cerebrospinal fluid. Results : A total of 46 cases(27 neonates and 19 children) were identified. 15 of 27 episodes(55.6%) of neonatal meningitis had a concomitant-positive blood culture. Group B streptococci were the most common bacterial causes of neonatal meningitis(44.4%). Nine of 12 episodes(75.0%) were late-onset infections in neonatal meningitis caused by group B streptococci. 16 of 19 children(84.2%) with bacterial meningitis beyond the neonatal period were younger than 5 years of age(median age, 23 months). Of 19 cases, 8 infections were with Streptococcus pneumoniae, 8 were with Haemophilus influenzae and 3 were with Neisseria meningitidis. Since 2001 there was no case of meningococcal meningitis in this study. Conclusion : In neonates group B streptococci are the most common causative organisms of bacterial meningitis, especially late-onset infections. In infants and young children, the predominant causes of bacterial meningitis are H. influenzae and S. pneumoniae; meningitis caused by the former are likely to decrease after the introduction of the conjugate vaccine for H. influenzae type b.
Kim, Dong Joon;Lee, Gwang Hoon;Lee, Hyung Won;Kim, Gil Hyun;Lee, Hak Soo
Pediatric Infection and Vaccine
/
v.4
no.1
/
pp.79-89
/
1997
Purpose : Neonatal bacterial meningitis is the disease which clinical manifestations are nonspecific and several neurologic complications may occur. We studied neonatal bacterial meningitis, particularly in treatment and prognosis according to causative organisms -gram positive and gram negative bacteria- to assist in treatment of neonatal bacterial meningitis. Methods : We analysed twenty-four cases retrospectively who had been admitted in NICU or pediatric ward in Chung-ang Gil hospital from Jan. 1991 to Jun. 1996, and who had proven causative organisms in culture or latex agglutination[n test in CSF. Results : 1) The ratio of male to female was 2.4: 1. The mean birth weight and gestational age in cases with gram positive bacterial meningitis were $2.91{\pm}0.79kg$ and $38.4{\pm}2.74$ weeks and those in cases with yam negative bacterial meningitis were $3.30{\pm}0.90kg$ and $37.7{\pm}3.33$weeks respectively. There was no significant difference between the two groups. 2) The perinatal predisposing factors were pematurity, mecoinium staining amnionic fluid, matemal diabetes and pregnancy-induced hypertension, etc. The clinical manifestations Were fever, seizure, poor oral intake and fontanel bulging, etc. There were eleven cases with early onset bacterial meningitis(four cases by gram positive bacteria, seven cases by gram negative bacteria), and thirteen cases with late onset bacterial meningitis(seven cases by gram positive bacteria, six cases by gram negative bacteria). There was no significant difference between the two groups in terms of onset. 3) There were eleven cases with yam positive bacterial meningitis and they were coagulase-negative staphylococci(three cases), group B streptococci(three cases), Staphylococcus aureus(two cases), Streptococcus viridans(two cases), and enterococci(one case). And there were thirteen cases with gram negative bacterial menir gitis and they were Escherichia coli(seven cases), Klevsiella pneumoniae(three cases), Pseudomonas aeruginosa(one case), Acinetobactor(one case) and Enterobacter(one case). 4) The initial CSF WBC counts in cases with yam negative bacterial meningitis were significantly higher than those in cases with gram positive bacterial meningitis but the CSF protein and glucose levels were no significant difference in the two groups statistically. 5) The number of cases with abnormal findings in brain ultrasonography was seven in gram positive bacterial meningitis and ten in gram negative bacterial meningitis. 6) There were relatively high sensitivity to penicillin derivatives, the first generation cephalosporin and vancomycin in gram positive bacteria and to the third generation cephalosporin and amikacin in gram negative bacteria. 7) The mortality rate was 20.8%(5 cases were expired or discharged hopelessly). There was no significant difference between the two groups in prognosis. Conclusions : We recommend active treatment in noenatal bacterial meningitis to improve prognosis because the prognosis is poor.
Kim, Seong Heon;Park, Hee Ju;Park, Su Eun;Hong, Yu Ra;Lee, Young Ah;Shin, Jong Beom
Pediatric Infection and Vaccine
/
v.14
no.1
/
pp.43-46
/
2007
Purpose : Neonatal bacterial meningitis has been known that its mortality and morbidity is high and its neurologic complications are common. This study was performed to review of the etiology of neonatal bacterial meningitis in Busan, Korea. Methods : We retrospectively analyzed 21 medical records of patients who were diagnosed neonatal bacterial meningitis in four university hospitals in Busan from January 1997 to December 2005. We analyzed age at onset of symptoms, symptoms at admission, causative organisms, and complications. Results : There were 11 male patients and 10 female patients. One premature neonate was included. 7 patients had symptoms at 2-3 weeks after birth and 6 patients at 1-2 weeks after birth. 18 cases had fever, 8 cases had seizure and some had poor feeding, lethargy and irritability. The most common organism causing neonatal bacterial meningitis was Group B streptococcus (GBS). 11 cases were due to GBS, 3 cases due to E. coli, 3 cases were due to Klebsiella pneumoniae, and 2 cases due to Streptococcus pneumoniae. one Listeria monocytogenes and one Enterobacter cloacae were included. 18 patients were alive and 3 patients died. Mental retardation, developmental delay and epilepsy occurred in a living patient. Conclusions : Although this was a retrospective study, we found that Group B streptococcus (GBS) was the most common organism causing neonatal bacterial meningitis and this data is nearly same as others in the world.
Kim, Hyun-Jung;Lee, JI-Won;Lee, Kyung-Yil;Lee, Hyung-Shin;Hong, Ja-Hyun;Hahn, Seung-Hoon;Whang, Kyung-Tai
Clinical and Experimental Pediatrics
/
v.46
no.11
/
pp.1085-1088
/
2003
Purpose : This study was performed to assess the difference of organisms causing bacterial meningitis according to time. Methods : We analyzed retrospectively 40 medical records of bacteriologically proven meningitis from 1992 to 2002. We divided them into two groups; neonate's group(14 cases), and children's group(26 cases). The results of the neonate's group were compared with those of previously reported articles in Korea, in 1970s-1980s. The causative agents of the children's group were analyzed according to the stage before and after the introduction of H. influenza type b(Hib) vaccine. Results : In neonates, Group B streptococci(GBS) was the most common cause of bacterial meningitis. There was a trend in Korea that major causative agents of neonatal bacterial meningitis have changed from gram negative bacteria including E. coli to gram positive bacteria including GBS. In children, H. influenzae was isolated in six out of 11 cases(55%) in 1992-95, before the introduction of Hib vaccine, while two out of seven(29%) were isolated in 1999-2002, after the introduction of the Hib vaccine. Conclusion : Our study showed that the most common agent of neonatal bacterial meningitis was GBS. There was a trend that after the introduction of Hib vaccine, the incidence of H. influenza meningitis decreased in children.
Choi, Seo Yeol;Kim, Jong-Wan;Ko, Ji Won;Lee, Young Seok;Chang, Young Pyo
Clinical and Experimental Pediatrics
/
v.61
no.8
/
pp.245-252
/
2018
Purpose: This study investigated patterns of ischemic injury observed in brain images from patients with neonatal group B Streptococcal (GBS) meningitis. Methods: Clinical findings and brain images from eight term or near-term newborn infants with GBS meningitis were reviewed. Results: GBS meningitis was confirmed in all 8 infants via cerebrospinal fluid (CSF) analysis, and patients tested positive for GBS in both blood and CSF cultures. Six infants (75.0%) showed early onset manifestation of the disease (<7 days); the remaining 2 (25.0%) showed late onset manifestation. In 6 infants (75%), cranial ultrasonography showed focal or diffuse echogenicity, suggesting hypoxic-ischemic injury in the basal ganglia, cerebral hemispheres, and periventricular or subcortical white matter; these findings are compatible with meningitis. Findings from magnetic resonance imaging (MRI) were compatible with bacterial meningitis, showing prominent leptomeningeal enhancement, a widening echogenic interhemisphere, and ventricular wall thickening in all infants. Restrictive ischemic lesions observed through diffusion-weighted imaging were evident in all eight infants. Patterns of ischemic injury as detected through MRI were subdivided into 3 groups: 3 infants (37.5%) predominantly showed multiple punctuate lesions in the basal ganglia, 2 infants (25.0%) showed focal or diffuse cerebral infarcts, and 3 infants (37.5%) predominantly showed focal subcortical or periventricular white matter lesions. Four infants (50%) showed significant developmental delay or cerebral palsy. Conclusion: Certain patterns of ischemic injury are commonly recognized in brain images from patients with neonatal GBS meningitis, and this ischemic complication may modify disease processes and contribute to poor neurologic outcomes.
Jeon, Yun Suk;Lee, Soo Young;Mok, Hye Rin;Lee, Jung Hyun;Kim, Jong Hyun;Hur, Je Kyun;Kang, Jin Han
Pediatric Infection and Vaccine
/
v.13
no.2
/
pp.130-136
/
2006
Purpose : The purpose of this study is to confirm the epidemiologic change of the causative organisms of neonatal and pediatric bacterial meningitis in Korea. And we tried to evaluate the risk factors correlated with prognosis which was available on the day of admission. Methods : Retrospectively, we reviewed the medical records of 57 patients admitted for bacterial meningitis at six hospitals affiliated with Catholic Medical Center for 6 years(Jan. 2000~Dec. 2005). Results : 22 cases(38.6%) of them were neonates under 28 days and 35 cases were infants and children ; 16 cases(28.1%), under 1 year ; 6 cases(10.5%), under 5 years ; 13 cases (22.8%), under 15 years. In neonates, 16 cases(72.7%) were caused by group B streptococcus (GBS). In infants and children, S. pneumoniae(25.7%), H. influenzae type b(Hib)(22.8%) and N. meningitidis(22.8%) were common cause of bacterial meningitis in order. In the informations available on the day of admission, weight deficit for age under 3 percentile, increased CRP level and decreased glucose level of CSF were related to poor prognosis(P<0.05). Conclusion : GBS became a leading cause of neonatal bacterial meningitis. Though, pneumoccocal, Hib and meningococcal meningitis were confirmed as major causes of bacterial meningitis. The routine immunization of pneumococcal and Hib vaccines will be considered, and it is necessary to introduce meningococcal vaccines to our country in the future.
Flavobacterium species are nonfastidious, oxidase-positive gram-negative rods that do not ferment glucose. These organism are widely distributed in nature and in hospital environments. In past, one of flavobacteria, Flavobacterium indologenes, was treated with non-pathogenic organism. Recently, several investigators have demonstrated the infection of this organism in human. Nowadays, the growth of F. indologenes in specimen should be considered a potential pathogen in infectious patients including neonate, especially in the setting of malignancy and with use of invasive procedures. The resistance of this organism to multiple antibiotics and the high incidence of polymicrobial bacteremia make it difficult to determine optimal therapeutic options. We experienced a case of neonatal bacterial meningitis causing by F. indologenes. So we report this case to evoke more concerns about the infections of this organism in human.
Lee, Yong Joo;Lee, Soo Jin;Park, Ho Jin;Lee, Young Hyuk;Kang, So Young;Kim, Young Chang;Lee, In Kyu;Lee, Kyung Yeon;Lee, Keon Su;Kim, Won Seop
Clinical and Experimental Pediatrics
/
v.50
no.2
/
pp.157-162
/
2007
Purpose : The purpose of this study was to analyze the epidemiology, causative organism, clinical manifestation and prognosis of bacterial meningitis for children after the introduction of Haemophilus influenzae type b (Hib) vaccine in Daejeon and Chungcheong area. Methods : We analyzed retrospectively 53 medical records who had been diagnosed with bacterial meningitis at 10 general or university hospitals in Daejeon and Chungcheong area. All patients aged 1 month-14 years admitted between January 2001 through December 2005. Results : During the 5-year study period, 40 of all cases were positive for bacterial growth. Of the 40 cases that were CSF culture-proven bacterial meningitis, Streptococcus peumoniae was the most common bacteria for 17 (32.1%) of all cases, followed by H. influenzae for 10 (18.9%), Neisseria meningitidis for 3 (5.7%). In this study, the most common clinical manifestation is fever, accompanied by all cases. CSF leukocyte count was more than $100/mm^3$ in 45 (84.1%) cases. CSF glucose concentration was less than 50 mg/dL in 42 (79.2%) cases and protein concentration was more than 45 mg/dL in 49 (92.5%) cases. 45 of all cases made a recovery after treatment and were discharged. Most common complication after treatment is subdural effusion (19.0%) and hearing disturbance (9.4%). Conclusion : The most common organism of culture-proven bacterial meningitis in the children beyond neonatal period was S. pneumoniae. Continued surveillance studies were demanded to know the altered incidence of bacterial meningitis, because we expect the incidence of S. pneumoniae meninigitis will be on the decrease after more active innoculation of pneumococcal protein conjugate vaccine.
Kim, Woo Kyung;Kim, Mi Ran;Kim, Duk Ha;Lee, Hae Ran;Park, Chong Young;Hwang, Dae Haen
Pediatric Infection and Vaccine
/
v.5
no.2
/
pp.289-295
/
1998
Group B Streptococcal sepsis and/or meningitis is one of the most serious and common diseases in the neonatal period with high mortality and frequent complications. We have experienced a case of late onset type group B streptococcal sepsis and meningitis with a complication of subclavian vein catheterization catheterization. This 29-day-old male neonate was admitted to intensive care unit with the presentation of fever and septic shock. He was born with Cesarean delivery at 36 weeks and 3 days of gestational age. He showed multiple episodes of seizure after admission and group B streptococcus was isolated from blood. CSF profiles 10 days after admission showed the features of bacterial meningitis without organism isolated. Diffuse cerebral infarction was detected on brain CT 24 days after admission. In the 13th hospital day, the complication of subclavian vein catheterization occurred; Guide wire was cut during insertion and the distal portion of it(2.5cm) was retained in the left subclavian vein. We removed the retained guide wire with goose-neck snare catheter via right femoral vein. This case was presented with a brief review of the literatures.
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