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1.
PLoS One ; 9(11): e113676, 2014.
Article in English | MEDLINE | ID: mdl-25412442

ABSTRACT

BACKGROUND: Antibiotic prophylaxis is frequently administered in severe trauma. However, the risk of selecting resistant bacteria, a major issue especially in critical care environments, has not been sufficiently investigated. The aim of the present study was to provide guidelines for antibiotic prophylaxis for four different trauma-related clinical conditions, taking into account the risks of antibiotic-resistant bacteria selection, thus innovating previous guidelines in the field. METHODS: The MEDLINE database was searched for studies comparing antibiotic prophylaxis to controls (placebo or no antibiotic administration) in four clinical traumatic conditions that were selected on the basis of the traumatic event frequency and/or infection severity. The selected studies focused on the prevention of early ventilator associated pneumonia (VAP) in comatose patients with traumatic brain injury, of meningitis in severe basilar skull fractures, of wound infections in long-bone open fractures. Since no placebo-controlled study was available for deep surgical site-infections prevention in abdominal trauma with enteric contamination, we compared 24-hour and 5-day antibiotic prophylaxis policies. A separate specific research focused on the question of antibiotic-resistant bacteria selection caused by antibiotic prophylaxis, an issue not adequately investigated by the selected studies. Randomised trials, reviews, meta-analyses, observational studies were included. Data extraction was carried out by one author according to a predefined protocol, using an electronic form. The strength of evidence was stratified and recommendations were given according to the Grading of Recommendations Assessment, Development and Evaluation (GRADE) criteria. RESULTS: Uncertain evidence deserving further studies was found for two-dose antibiotic prophylaxis for early VAP prevention in comatose patients. In the other cases the risk of resistant-bacteria selection caused by antibiotic administration for 48 hours or more, outweighed potential benefits. CONCLUSIONS: When accounting for antibiotic-resistant bacteria selection we found no evidence in favour of antibiotic prophylaxis lasting two or more days in the studied clinical conditions.


Subject(s)
Antibiotic Prophylaxis , Evidence-Based Medicine , Anti-Bacterial Agents/pharmacology , Anti-Bacterial Agents/therapeutic use , Coma/pathology , Consensus , Databases, Factual , Drug Resistance, Bacterial/drug effects , Humans , Italy , Pneumonia, Ventilator-Associated/complications , Pneumonia, Ventilator-Associated/drug therapy , Surgical Wound Infection/prevention & control , Wounds and Injuries/complications , Wounds and Injuries/pathology
2.
J Immunol Res ; 2014: 150239, 2014.
Article in English | MEDLINE | ID: mdl-24741574

ABSTRACT

BACKGROUND: Antinuclear antibodies (ANA) are a hallmark of many autoimmune diseases and can be detected many years before disease onset. Autoimmune thyroid diseases (AITD) are frequently associated with other organ- and non-organ-specific autoimmune disorders. Objectives. To assess the prevalence of ANA in pediatric patients with AITD and their clinical correlations. METHODS: Ninety-three consecutive pediatric patients with AITD were enrolled (86 children with chronic lymphocytic thyroiditis and 7 with Graves' disease). ANA, anti-double DNA (anti-dsDNA) antibodies, anti-extractable nuclear antigen (anti-ENA), anti-cyclic citrullinated peptide antibodies (anti-CCP), and rheumatoid factor (RF) was obtained. Signs and symptoms potentially related to rheumatic diseases in children were investigated by a questionnaire. RESULTS: ANA positivity was found in 66/93 children (71%), anti-ENA in 4/93 (4.3%), anti-dsDNA in 1/93 (1.1%), RF in 3/93 (3.2%), and anti-CCP in none. No significant differences were found between the ANA-positive and ANA-negative groups with respect to age, sex, L-thyroxine treatment, or prevalence of other autoimmune diseases. Overall, parental autoimmunity was found in 23%. CONCLUSIONS: ANA positivity was demonstrated in 71% of children with AITD. ANA positivity was not related to overt immune-rheumatic diseases. However, because the positivity of ANA can occur even many years before the onset of systemic autoimmune diseases, prospective studies are warranted.


Subject(s)
Antibodies, Antinuclear/immunology , Autoimmunity/immunology , Thyroid Gland/immunology , Adolescent , Adult , Antibodies, Antinuclear/blood , Autoimmune Diseases/diagnosis , Autoimmune Diseases/epidemiology , Autoimmune Diseases/immunology , Child , Female , Humans , Male , Prevalence , Thyroid Diseases/diagnosis , Thyroid Diseases/epidemiology , Thyroid Diseases/immunology
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