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Results for “STREPTOCOCCAL INFECTIONS”

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PubMed1978

[Role of various diseases of the upper respiratory tract in the epidemiological process of streptococcal infections].

Investigations conducted with the use of a specially elaborated method revealed a specific association of some (15--24%) of diseases diagnosed clinically as "acute respiratory affection" (ARA) with streptococcus infection. This was also confirmed by detection of an epidemiological association of ARA with scarlet fever revealed in some child collective bodies. The data obtained pointed to the definite role played by such diseases in the epidemic process in streptococcus infections.

Acute Disease↗
PubMed1994

An outbreak of foodborne streptococcal throat infection.

Streptococcal pharyngitis is a common disease of epidemic nature, usually transmitted by saliva droplets. We present an epidemiologic analysis of an outbreak of streptococcal pharyngitis in a military unit involving 75 soldiers. The causing organism was Streptococcus pyogenes (group A beta hemolytic Streptococcus, T28 M56), which was isolated from 53 affected individuals. The source of the epidemic was probably an army cook. The infection was transferred by a cabbage salad to individuals who became symptomatic within 24-48 h. This epidemic is a reminder of an exceptional route of streptococcal dissemination and one of the largest outbreaks of foodborne streptococcal pharyngitis documented.

Disease Outbreaks↗
PubMed1969

Attack rates of acute nephritis after type 49 streptococcal infection of the skin and of the respiratory tract.

Prospective studies in a population of American Indian children during an outbreak of acute nephritis associated with the Type 49 Group A streptococcus permitted a comparison of attack rates of renal complications after infection at different sites and at different ages. Acute nephritis or unexplained hematuria developed in 10 of 42 children (23.8%) with Type 49 streptococcal skin infection, in 2 of 44 (4.5%) with Type 49 throat infection, and in 3 of 16 (18.8%) with simultaneous Type 49 infection at both sites. The higher attack rate of nephritis and hematuria in children with pyoderma indicates that skin lesions played a direct and quantitatively greater role than respiratory infection in the pathogenesis of acute nephritis during this outbreak. Skin infections with the Type 49 strain were followed by evidence of renal complications more often in children younger than 6.5 yr (9 of 21 or 43%) than in older children (1 of 21 or 5%). Attack rates of renal complications after Type 49 skin infection were approximately equal in males and females.

Acute Disease↗
PubMed1996

Neonatal early onset group B streptococcal infection. A nine-year retrospective study in a tertiary care hospital.

Retrospectively, morbidity and mortality of neonatal early onset group B streptococcal (GBS) infection were established. Risk factors and prognostic factors were determined. Between 1985 and 1993, 78 patients with early onset GBS disease were identified. The overall mortality rate was 23%. In 60 of 73 cases (82%) at least one of the investigated risk factors was present. Low birth weight was not an independent risk factor. Outcome of 44 of 60 survivors (73%) at the age of at least one year was obtained. Almost 30% of them had sequelae. The most important were spastic disorders and delayed psychomotor development. In 42% of patients with symptoms of GBS-infection within six hours after birth sequelae occurred. There were no sequelae among patients with symptoms after 6 hours. All 9 severely brain damaged infants showed symptoms shortly after birth. Mortality and adverse outcome rate were higher in infants with low gestational age or low 5 minute Apgar scores. Early treatment resulted in less mortality, but not in less sequelae. GBS-sepsis still causes significant mortality and leaves a substantial number of survivors damaged. Alertness to GBS-infection, even in the absence of risk factors, remains crucial for early treatment and good outcome.

Anti-Bacterial Agents↗
PubMed1993

Effectiveness of intrapartum penicillin prophylaxis in preventing early-onset group B streptococcal infection: results of a meta-analysis.

OBJECTIVE: To determine the effectiveness of intrapartum penicillin prophylaxis in preventing early-onset group B streptococcal (GBS) infection in neonates of women whose birth canals are colonized by group B streptococci. DATA SOURCES: Articles published between 1966 and 1992 identified from MEDLINE, EMBASE, the Science Citation Index and the Oxford Perinatal Database; the bibliographies of primary studies, textbooks and review articles and published abstracts from major conferences and symposia. DATA SELECTION: Studies were selected if four criteria were met: (a) the target population was intrapartum women and neonates, (b) the intervention was penicillin prophylaxis, (c) invasive early-onset GBS infection was an outcome measure, and (d) the studies were controlled trials or cohort studies. Seven primary studies were identified, four of which were randomized controlled trials. DATA EXTRACTION: Explicit methodologic criteria were used by two of the authors to assess independently the study quality; one of the reviewers was blind as to author, institution and journal. The baseline characteristics of the population, intervention and outcome were summarized twice and checked for accuracy by two of the authors. DATA SYNTHESIS: Five of the studies showed a trend toward a beneficial effect of penicillin prophylaxis, and two showed a statistically significant effect. The pooled odds ratio indicated a 30-fold reduction (95% confidence interval 0.0013 to 0.17) in the incidence of early-onset GBS infection with intrapartum penicillin prophylaxis. Subgroup analyses did not change these results. The magnitude of improvement observed did not differ between women with prenatal risk factors (premature rupture of the membranes and premature labour) and those without these risk factors. CONCLUSIONS: There is accumulative evidence that intrapartum penicillin prophylaxis is effective in preventing early-onset GBS infection. Such therapy is beneficial to women whose birth canals are colonized with group B streptococci. Further studies are needed to determine the optimum timing and method of detecting vaginal colonization during pregnancy.

Female↗
PubMed1994

[Acute interstitial nephritis and streptococcal infection].

Two patients with acute renal failure and streptococcal erysipela are reported. In both cases, renal biopsy showed acute interstitial nephritis with a predominantly mononuclear infiltrate. Beta lactam antibiotic without steroid therapy was followed by complete recovery of renal function. It seems likely that some cases of AIN related to infection are erroneously attributed to antibiotic hypersensitivity.

Acute Kidney Injury↗