Human bocavirus (HBoV), a virus discovered in Sweden in 2005, has been associated with acute respiratory infections in young children and subsequent reports suggest that HBoV may have a worldwide distribution. This report describes the frequency and clinical presentation of HBoV in 261 Iranian children<5 years old with acute respiratory infections attending two regional hospitals in Rasht, Iran in the winter of 2003-2004. Polymerase chain reaction (PCR) and reverse transcription PCR (RT-PCR) were used for the detection of HBoV and other respiratory pathogens from nasopharyngeal specimens. HBoV was detected in 21 (8%) children. Fifteen (12%) of these children were identified among 122 children admitted to hospital and 6 (4%) from 139 outpatients (P < 0.05). Most children with HBoV were less than 2 years (17/21, 81%) and 7 (33%) were less than 1 year old. Although HBoV was identified in all ages it affected slightly older children than the respiratory syncytial virus (RSV). The frequency of the virus varied from 1 (3%) in 40 patients in November to 7 (12%) of 61 in February, suggesting a seasonal pattern during the autumn and early winter. Seven children had co-infections with RSV, adenovirus or influenza A. The relatively high frequency of HBoV suggests that the virus may contribute substantially to acute respiratory infections in children.
Background:Laryngospasm is the protective reflex of tracheobronchial tree against secretions and hemorrhage. This reflex is more prevalent in adenotonsillectomy in the presence of light anesthesia, which can lead to obstruction of airway, complications, and mortality. Different methods have been studied for preventing this complication; however, none of them could reliably prevent it.Objectives:The objective was to assess the effect of magnesium sulfate on laryngospasm and coughing after adenotonsillectomy.Patients and Methods:Seventy children with three to 12 years of age and ASA classes I and II, who were candidates for adenotonsillectomy, were recruited in this randomized clinical trial. The study group received 15 mg/kg intravenous magnesium sulfate and the control group received 0.9% normal saline with the same volume, 2 minutes after tracheal intubation via intravenous infusion for 20 minutes. After removing the endotracheal tube in the recovery room, the patients were assessed at minutes zero, 15, and 30in terms of laryngospasm and coughing. The assessment was based on four-point scale of severity of these complications and saturation percentage of arterial oxygen in operating and recovery room. After collecting the data, results were analyzed with the SPSS 16 software anda P value < 0.05 was considered statistically significant.Results:Laryngospasm was not found in the magnesium sulfate group; however, its incidencewas5.7% in the control group. The incidence rates of coughs were 17.1% and 40% in the magnesium sulfate group and in the control group, respectively, which had no statistically significant differences.Conclusions:Intravenous magnesium sulfate with dose of 15 mg/kg could not prevent laryngospasm and coughing after removal of the endotracheal tube in patients undergoing adenotonsillectomy; however, it reduced coughing and laryngospasm in the magnesium sulfate group compared with the control group.
Background and Aim: Nonalcoholic fatty liver disease (NAFLD) is a global epidemic that is often asymptomatic and silent, and progresses slowly. This study aimed to determine the biochemical markers and lipid profile among NAFLD patients and their possible relationship with degrees of fatty liver. Methods: This is analytical cross-sectional study, in which, 950 individuals referred to the PERSIAN Guilan cohort study were included through sequential sampling method. The demographic information and blood pressure of the subjects were taken and the blood sample was prepared to investigate the biochemical markers and lipid profile. Also, abdominal ultrasonography was performed to investigate NAFLD and its grades. For data analysis, independent sample t -test, one-way ANOVA, and logistic regression model were used, where P < 0.05 was considered significant. Results: The systolic blood pressure (SBP) ( P < 0.001), diastolic blood pressure (DBP) ( P < 0.001), hepatic enzymes (aspartate aminotransferase [AST], P < 0.001, alanine aminotransferase [ALT], P < 0.001; gamma-glutamyle transferase [GGT], P < 0.001; AST/ALT ratio, P < 0.001), lipid profile (triglyceride [TG], P < 0.001; total cholesterol [TC], P = 0.008; high density lipoprotein [HDL], P < 0.001; LDL-C/HDL-C (ratio), P = 0.003; TC/HDL-C (ratio), P < 0.001); and fasting blood sugar [FBS], P < 0.001 correlated with NAFLD. However, there was no relationship between age ( P = 0.34), alkaline phosphatase [ALP] ( P = 0.26) and low-density lipoprotein [LDL] ( P = 0.72). Further, a significant relationship was observed between AST ( P < 0.001), ALT ( P < 0.001), and GGT ( P = 0.004) and NAFLD degrees based on the ultrasonography. Conclusion: Biochemical markers and lipid profile are associated with NAFLD. Thus, it is recommended to investigate NAFLD in clinical settings in cases in which their changes are observed in patients through ultrasonography.
Background:Health care workers (HCWs) represent high risk population for viral hepatitis infection.Objectives:This study sought to assess the knowledge of HCWs regarding hepatitis B (HBV) and hepatitis C (HCV) infection.Methods:In a multi-center cross sectional study, all HCWs from eight teaching hospitals were invited to participate in the study and to fill in a self-administered questionnaire.Results:A total of 1008 eligible HCWs have responded to the study. A high proportion of the study participants (55.4% and 52.9%) had unsatisfactory knowledge about HBV and HCV. Mean knowledge score toward HBV was significantly higher among more educated staff, p <0.001 and vaccinated personnel, P=0.02. Majority of responders answered correctly to transmission questions toward HBV and HCV (90% and 80%, respectively). There was statistically significant difference in only transmission domain score between various hospitals (p<0.05). The highest scores were related to surgical hospital.Conclusion:Although more than ninety percent of our participants were educated about HBV and HCV, knowledge about nature of disease, prevention, treatment and vaccine availability was unsatisfactory. Continuous training program toward viral infection is a matter of necessity.
Introduction: Non-alcoholic fatty liver disease (NAFLD) is an obesity-associated health problem that causes other liver diseases for the patient. Four anthropometric indices: body mass index (BMI), waist circumference (WC), waist-to-hip ratio (WHR) and waist-to-height ratio (WHtR) were analyzed as NAFLD predictors in the present study.Methods: From the total number of individuals who referred to the PERSIAN Guilan Cohort study (PGCS) located in the north of Iran during the period of study, a total of 960 people were enrolled in the present study. NAFLD was diagnosed using through an abdominal ultrasound exam. Height, weight, WC, BMI, WHR and WHtR were later calculated. Chi-square, ANOVA and logistic regression analyses were used to analyze the risk factors.Results: Out of the 960 individuals who were enrolled in the study, 597 (62.2%) were male and 363 (37.8%) were female (with an average age of 47.21 ± 7.29 years). There was a significant relationship between weight and NAFLD (P<0.001). There was also a significant relationship between BMI (OR= 8.41; 95% CI = 5.59–12.75), WC (OR= 2.67; 95% CI = 2.05–3.48), WHR (OR= 3.84; 95% CI = 2.26–6.52), WHtR (OR= 28.53; 95% CI = 6.94–117.31) and NAFLD (P<0.001). The results of the logistic regression analysis showed that WHtR, BMI and WC were effective predictors for the risk of NAFLD while WHtR played a more important role in the prediction of NAFLD.Conclusion: Anthropometric indices, especially WHtR, as a simple screening tool, seem to be an important criterion for the detection of NAFLD.
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