The Pediatric infectious disease journal · 2017
Meningococcal Disease in Children in Argentina A 3-year Active Sentinel Hospital Surveillance Study.
СтатьяНазвание и аннотация: Перевод в очереди
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Gentile Ángela, Bakir Julia, Agosti María Rosa, Ensinck Gabriela, Abate Hector, Gajo Gane Andrea, Santillán Iturres Alejandro, Efron Adriana, Regueira Mabel, Rüttimann Ricardo, Neisseria meningitidis Working Group
Аннотация
BACKGROUND: Meningococcal disease (MD) is a medical emergency and a serious public health problem. As new meningococcal vaccines become available, MD surveillance is crucial to provide baseline epidemiologic data before implementing preventive measures. We estimated MD incidence and epidemiology in Argentina using hospital-based surveillance.
METHODS: Three-year prospective active surveillance in patients ≤15 years of age was conducted at 6 pediatric hospital sentinel units (March 2012 to February 2015).
RESULTS: Of 184,360 hospitalized patients, 1444 (0.78%) had suspected meningitis or MD. Of these, 268 (19%) presented probable acute bacterial meningitis or MD, 168 (63%) were culture positive and 51 (30%) tested positive for Neisseria meningitidis. Of 100 culture-negative cases, 30 had positive meningococcal polymerase chain reaction. Thirteen patients presented other uncommon MD manifestations, resulting in a total of 94 MD cases and an annual incidence of 5.1/10 hospitalized patients [95% confidence interval (CI): 4-6]. Fifty-four (57%) patients were males, 48% were <1 year of age and the median age was 12.5 months (1 month to 15 years). Clinical presentations were the following: meningococcemia and meningitis (37%), meningitis (30%), meningococcemia (16%), arthritis (10%), bacteremia (5%) and pneumonia (2%). Twenty-eight percent had complications. Nine children died (case fatality rate: 10%), and 8 had sequelae. Serogroups were identified for 84 isolates. Serogroup W was associated with age <1 year (odds ratio: 3.18; 95% CI: 1.14-8.99); meningococcemia was associated with mortality (P = 0.0038).
CONCLUSIONS: Highest rates of MD were observed among young infants. This study provides baseline data to estimate the impact of introducing meningococcal vaccines in Argentina.
METHODS: Three-year prospective active surveillance in patients ≤15 years of age was conducted at 6 pediatric hospital sentinel units (March 2012 to February 2015).
RESULTS: Of 184,360 hospitalized patients, 1444 (0.78%) had suspected meningitis or MD. Of these, 268 (19%) presented probable acute bacterial meningitis or MD, 168 (63%) were culture positive and 51 (30%) tested positive for Neisseria meningitidis. Of 100 culture-negative cases, 30 had positive meningococcal polymerase chain reaction. Thirteen patients presented other uncommon MD manifestations, resulting in a total of 94 MD cases and an annual incidence of 5.1/10 hospitalized patients [95% confidence interval (CI): 4-6]. Fifty-four (57%) patients were males, 48% were <1 year of age and the median age was 12.5 months (1 month to 15 years). Clinical presentations were the following: meningococcemia and meningitis (37%), meningitis (30%), meningococcemia (16%), arthritis (10%), bacteremia (5%) and pneumonia (2%). Twenty-eight percent had complications. Nine children died (case fatality rate: 10%), and 8 had sequelae. Serogroups were identified for 84 isolates. Serogroup W was associated with age <1 year (odds ratio: 3.18; 95% CI: 1.14-8.99); meningococcemia was associated with mortality (P = 0.0038).
CONCLUSIONS: Highest rates of MD were observed among young infants. This study provides baseline data to estimate the impact of introducing meningococcal vaccines in Argentina.