Psychological problems in Turkish asthmatic children and their families.

Cokugras H.

Division of Infectious Disease, Clinical Immunology and Allergy, Department of Pediatrics, Cerrahpasa Medical Faculty, Istanbul University, Turkey.

BACKGROUND: Asthma is a chronic respiratory disorder characterized by recurrent episodes of impaired breathing. The disease causes psychological problems due to hospitalization, long-term medication use, and restricted social life. OBJECTIVE: The aim of this study was to investigate the relationship between the severity and duration of asthma and psychological problems in asthmatic children, as well as the probability of maternal anxiety. METHODS: Thirty-seven children with mild asthma, 55 with moderate asthma and eight with severe asthma were compared with 50 healthy children. The severity of asthma was evaluated using the Pearlman-Bierman classification. Psychological adjustment was measured using the Achenback child Behavior checklist and Spielberger's scale. RESULTS: Emotional factors and family dynamics were found to be triggering factors for disease attacks in 16% of children with mild asthma, 38% of those with moderate asthma and 63% of those with severe asthma (p < 0.05). There was no significant difference in the mean maternal anxiety score between the disease severity groups (p > 0.05). The mean depression score was significantly higher in children with moderate and severe asthma than in those with mild asthma (p < 0.05). Disease duration showed no effect on depression and anxiety. CONCLUSION: Both asthmatic children and their mothers are negatively affected by the disease.

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Documenting asthma severity: do we get it right?

Ozuah PO.

Albert Einstein College of Medicine/Children's Hospital at Montefiore, Bronx, New York 10467, USA. sandrafb juno.com

BACKGROUND: The 1997 National Asthma Education and Prevention Program (NAEPP) recommends a severity classification scheme to optimize the use of anti-inflammatory therapy for persistent asthma. Physician documentation of asthma severity is often used as a quality assurance measure. OBJECTIVE: To test the hypothesis that physician documentation of asthma severity is associated with appropriate use of anti-inflammatory therapy. DESIGN/METHODS: Setting: inner-city academic health center. First, we reviewed a consecutive sample of charts of scheduled pediatric patients. Then, we administered a structured parent survey regarding the child's asthma symptoms and current asthma therapy. We used NAEPP guidelines to classify patients' severity of asthma. The main outcome measure was appropriate use of anti-inflammatory therapy. Appropriate therapy was defined as: (1) mild persistent asthmatics using anti-inflammatory therapy, and (2) moderate-severe persistent asthmatics using inhaled steroids. Chart classification of asthma severity was compared with the NAEPP-applied classification. RESULTS: Of 784 charts, 214 (27%) were asthmatic. Of these, 176 (82%) were surveyed. The mean age was 7.4 years; 61% were males. Severity classification was documented in 77% of charts. Chart documentation differed significantly from survey classification for the same patients: (mild intermittent 54% vs. 40%, mild persistent 21% vs. 14%, moderate persistent 24% vs. 36%, severe persistent 1% vs. 10%; all p < .001). Correctly classified patients were more likely to be on appropriate therapy. CONCLUSIONS: Physicians underestimated the severity classification of asthmatic patients. Incorrect classification was associated with inappropriate asthma therapy. These findings have implications for the institution of asthma quality improvement programs.

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Cost, morbidity, and control of asthma in Hungary: The Hunair Study.

Ben-Joseph R.

National Koranyi Institute of TBC and Pulmonology, Budapest, Hungary. herjav koranyi.hu

OBJECTIVE: To assess asthma-related morbidity, symptom control, and societal cost of asthmatic patients in Hungary. Secondary objective was to assess the relationship between asthma symptom control and costs incurred. METHODS: Three hundred seventy-eight pediatric asthma patients (6-14 years of age) and 711 adult asthma patients (18-55 years of age) in 19 pulmonary clinics were interviewed by their physicians regarding asthma-related drug therapy and recent (past 2 weeks) asthma morbidity (daytime asthma symptoms, nocturnal symptoms, limitation in daily activities resulting from asthma and asthma exacerbation). Physicians estimated patients' level of asthma control based on the Global Initiative of Asthma guidelines. Direct and indirect costs for asthma-related resources were determined based on patient reported 6 months' data except for drug costs that were based on patient reported 2 weeks of data. All cost data were annualized. RESULTS: Patients in the study were mostly prescribed inhaled controller medications for asthma symptom management (76.2% pediatric and 92.3% adult) during the 2 weeks preceding the survey. Asthma-related morbidity was experienced by 15% of pediatric patients and 30% of the adult patients at least once during the 2 weeks preceding the survey. Physician classified 69% of pediatric patients as having good control, 27.5% as having moderate control, and 2.8% as having poor control of their asthma. In the adult population, 50.7% were classified as having good control, 36.6% as having moderate control, and 12.7% as having poor control. The average total annual costs (direct and indirect costs) per patient were 833 EUR (897 USD) for pediatric patients and 632 EUR (681 USD) for adult patients. In both pediatric and adult patients the total costs were highest for patients with poor asthma control. The total cost per patient increased in the ratios of 1 to 1.4 to 2.4 for pediatric patients and 1 to 1.5 to 2.9 for adult patients with good, moderate, and poor control of asthma, respectively. CONCLUSION: Inhaled corticosteroids was the most frequent treatment prescribed for asthma patients in the study. However, patients reported substantial asthma-related morbidity. Children used more resources than adults, despite being classified as having better control. Patients with poor control of asthma symptoms incurred the highest societal cost, improving patient control may reduce cost to society by 40% or more.

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Individual and area-based indicators of socioeconomic status and childhood asthma.

Perucci CA.

Dept of Epidemiology, Local Health Unit RME, Rome, Italy. cesaroni asplazio.it

The current study evaluated the association between individual and area-based indicators of socioeconomic status and the prevalence, severity, and lifetime hospitalisation for asthma in children. The representative sample of 4,027 children from Rome, aged 6-7 yrs, used for the 1994 ISAAC (International Study on Asthma and Allergies in Childhood) initiative, was selected. Individual and small area indicators of socioeconomic status were used. Individual data on parents' education and on childhood asthma were gathered from self-administered parental questionnaires. Two small-area indicators (socioeconomic status index (SES) and average income in 1994) were derived using information available at the census tract of residence. Logistic regression models were used to estimate the association of parental education and small area indicators with asthma prevalence, severity, and hospitalisation. Parental smoking was considered in the analysis as a potential confounder. Prevalence of physician diagnosis of asthma (11.3%) increased as father's education decreased. Prevalence of severe asthma (1.6%) increased as maternal and paternal educational levels decreased. Lifetime hospitalisation for asthma (2.8%) was strongly associated with both parental education and small-area indicators of social disadvantage, even when considered simultaneously in the same logistic model. Socioeconomic conditions are associated with asthma occurrence, its severity, and hospitalisation. The association was stronger for asthma severity and hospitalisation. Individual indicators correlated better with the outcomes than area-based indicators. However, living in an underprivileged area is a strong independent predictor of hospital admission for asthma.

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Asthma medication in Finnish olympic athletes: no signs of inhaled beta2-agonist overuse.

Helenius I.

Faculty of Pharmacy, University of Helsinki, Finland. antti.alaranta helsinki.fi

INTRODUCTION: Occurrence of asthma has been reported to be frequent in endurance athletes and especially high in winter sport athletes. Recently, the International Olympic Committee has restricted the use of inhaled beta2-agonists and requires documentation for their use. However, epidemiologic data comparing the use of antiasthmatic medication in different sport events are mostly missing. METHODS: A cross-sectional questionnaire survey was carried out in 2002. All the athletes (N = 494) financially supported by National Olympic Committee comprised the study group. Of them, 446 (90.3%) filled in a structured questionnaire concerning asthma and allergies, use of medication, characteristics of sport activities, and smoking habits. A representative sample of Finnish young adults (N = 1 504) served as controls. RESULTS: Physician-diagnosed asthma was more common in athletes as compared with controls (13.9% vs 8.4%). Use of any asthma medication was reported by 9.6% of the athletes and by 4.2% of the controls. No difference was observed in the frequency of asthma medication used by winter or summer sport athletes (10.0% vs 9.4%). Inhaled beta2-agonists were used by 7.4% and 3.0% of the athletes and controls, respectively. After adjusting for age, sex, and smoking, odds ratio with 95% confidence interval for use of any asthma medication was 0.69 (0.17-2.92) for motor skills demanding events, 1.87 (0.85-4.11) for speed and power sports, 3.00 (1.68-5.37) for team sports, and 4.16 (2.22-7.78) for endurance events as compared with controls. None of the athletes used antiasthmatic medication without physician diagnosis. CONCLUSIONS: The frequency of antiasthmatic medication is clearly lower than the occurrence of physician-diagnosed asthma in Finnish Olympic athletes. No evidence of overuse of inhaled beta2-agonists is found.

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Asthma symptoms in women employed in domestic cleaning: a community based study.

Anto JM.

Respiratory and Environmental Health Research Unit, Municipal Institute of Medical, Research, Barcelona, Spain.

BACKGROUND: Epidemiological studies have shown an association between cleaning work and asthma, but the risk factors are uncertain. The aim of this study was to assess the risk of asthma in women employed in domestic cleaning. METHODS: A cross sectional study was conducted in 4521 women aged 30 to 65 years. Information on respiratory symptoms and cleaning work history was obtained using a postal questionnaire with telephone follow up. Asthma was defined as reported symptoms in the last year or current use of drugs to treat asthma. Odds ratios (OR) with 95% confidence intervals (CI) for asthma in different cleaning groups were estimated using adjusted unconditional logistic regression models. RESULTS: 593 women (13%) were currently employed in domestic cleaning work. Asthma was more prevalent in this group than in women who had never worked in cleaning (OR 1.46 (95% CI, 1.10 to 1.92)). Former domestic cleaning work was reported by 1170 women (26%), and was strongly associated with asthma (OR 2.09 (1.70 to 2.57)). Current and former non-domestic cleaning work was not significantly associated with asthma. Consistent results were obtained for other respiratory symptoms. Twenty five per cent of the asthma cases in the study population were attributable to domestic cleaning work. CONCLUSIONS: Employment in domestic cleaning may induce or aggravate asthma. This study suggests that domestic cleaning work has an important public health impact, probably involving not only professional cleaners but also people undertaking cleaning tasks at home.

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Indoor and outdoor environmental exposures, parental atopy, and physician-diagnosed asthma in Taiwanese schoolchildren.

Guo YL.

Department of Environmental and Occupational Health, College of Medicine, National Cheng Kung University, Tainan, Taiwan.

OBJECTIVE: Parental atopy and environmental exposures are recognized risk factors for childhood asthma. However, the relative contributions of specific risk factors and the overall contributions of indoor and outdoor exposures remain unexplored. This study was undertaken to identify risk factors, estimate the population attributable risk of each exposure, and compare the data for boys versus girls for physician-diagnosed asthma in Taiwanese schoolchildren. METHODS: During a February to June 2001 cross-sectional national survey, 35 036 6- to 15-year-old schoolchildren were chosen from 22 elementary and 22 middle schools located within 1-km catchment areas of 22 air-monitoring stations in Taiwan. The main outcome measure was physician-diagnosed asthma, as reported by the parents. We investigated hereditary and indoor and outdoor environmental factors for childhood asthma by questionnaire. The adjusted prevalences of questionnaire-determined outdoor indicators were also compared with air-monitoring data. RESULTS: Outdoor air pollutants were associated with parent-reported perceived ambient air pollution. Physician-diagnosed asthma was reported for 8.1% of the boys (1330 of 16 441) and 5.6% of the girls (894 of 16 056). The risk of physician-diagnosed asthma was significantly associated with parental atopy and perceived ambient air pollution in both sexes. The presence of visible cockroaches (odds ratio [OR]: 1.30; 95% confidence interval [CI]: 1.07-1.59), mold on walls at home (OR: 1.20; 95% CI: 1.01-1.41), and water damage (OR: 1.33; 95% CI: 1.02-1.70) were also associated with asthma in girls; however, only visible mold on walls at home was related to asthma in boys. Mutually adjusted analytical models produced statistically significant associations between any indoor factor and asthma in girls (OR: 1.24; 95% CI: 1.00-1.56) but not in boys (OR: 1.04; 95% CI: 0.87-1.25). For all hereditary and environmental factors, the total population attributable risk was 44.31% in boys and 60.61% in girls. CONCLUSIONS: Parental atopy contributed more to childhood asthma than indoor or outdoor environmental factors. Girls may be more susceptible to indoor factors than boys.

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Effect of inhaled beclomethasone dipropionate on peroxynitrite inhibitory activity in induced sputum from asthmatic patients.

Yoshikawa J.

Department of Respiratory Medicine, Graduate School of Medicine, Osaka City University, Osaka, Japan.

STUDY OBJECTIVES: We recently found that peroxynitrite inhibitory activity in induced sputum was significantly lower in asthmatic patients than in normal control subjects. Current guidelines recommend inhaled corticosteroids as first-line control therapy in asthma. Therefore, this study was designed to examine the effect of inhaled beclomethasone dipropionate (BDP) on peroxynitrite inhibitory activity in induced sputum from asthmatic patients. DESIGN: Interventional study. SETTING: University hospital. PATIENTS: Twenty-one asthmatic patients and 10 age-matched, normal control subjects. INTERVENTIONS: Inflammatory indexes in induced sputum were examined in all study subjects, and peroxynitrite inhibitory activity was also assayed by monitoring rhodamine formation. For 8 weeks after the first sputum induction, BDP 400 microg bid, was administered to all asthmatic patients and sputum induction was repeated. MEASUREMENTS AND RESULTS: Nitrite and nitrate levels in induced sputum were significantly higher in asthmatic patients (1,121 micro mol/L [SD, 205 micro mol/L], p < 0.0001) than in normal control subjects (642 micromol/L [SD, 137 micromol/L]). In contrast, peroxynitrite inhibitory activity in induced sputum was significantly lower in asthmatic patients (50.0% [SD, 25.7%], p < 0.0001) than in normal control subjects (93.0% [SD, 3.6%]). After 8 weeks of BDP therapy, nitrite and nitrate levels were significantly decreased (847 micromol/L [SD, 143 micromol/L], p < 0.0001) and peroxynitrite inhibitory activity was increased (73.9% [SD, 19.2%], p = 0.0005). Moreover, the increase in peroxynitrite inhibitory activity from before to after BDP therapy was significantly correlated with decrease in nitrite and nitrate levels (r = 0.79, p = 0.0004). We also found the significant relationship between increase in peroxynitrite inhibitory activity in induced sputum and increase in FEV(1) percentage of predicted after BDP therapy (r = 0.68, p = 0.0023). CONCLUSIONS: Large amounts of peroxynitrite, which are exaggerated in acute asthma attacks, might overwhelm endogenous antioxidant defenses. However, inhaled corticosteroid therapy enhanced antioxidant activity against peroxynitrite, and therefore might reduce the susceptibility to peroxynitrite-induced injury in asthmatic airways.

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