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p53 Codon 72 Genetic Polymorphism in Asthmatic Children: Evidence of Interaction With Acid Phosphatase Locus 1. ALLERGY, ASTHMA & IMMUNOLOGY RESEARCH 2013; 6:252-6. [PMID: 24843801 PMCID: PMC4021244 DOI: 10.4168/aair.2014.6.3.252] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 07/22/2012] [Revised: 02/26/2013] [Accepted: 05/03/2013] [Indexed: 01/11/2023]
Abstract
Several lines of evidence are implicating an increased persistence of apoptotic cells in patients with asthma. This is largely due to a combination of inhibition, or defects in the apoptotic process and/or impaired apoptotic cell removal mechanisms. Among apoptosis-inducing genes, an important role is played by p53. In the present study, we have investigated the possible relationship between p53 codon 72 polymorphism and asthma and the interaction with ACP1, a genetic polymorphism involved in the susceptibility to allergic asthma. We studied 125 asthmatic children and 123 healthy subjects from the Caucasian population of Central Italy. p53 codon 72 and ACP1 polymorphisms were evaluated using a restriction fragment length polymorphism-polymerase chain reaction (RFLP-PCR) method. There is a statistically significant association between p53 codon 72 polymorphism and allergic asthma: Arg/Arg genotype is more represented in asthmatic patients than in controls (P=0.018). This association, however, is present in subjects with low ACP1 activity A/A and A/B only (P=0.023). The proportion of children with A/A and A/B genotype carrying Arg/Arg genotype is significantly high in asthmatic children than in controls (OR=1.941; 95% C.I. 1.042-3.628). Our finding could have important clinical implications since the subjects with A/A and A/B genotypes of ACP1 carrying Arg/Arg genotype are more susceptible to allergic asthma than Pro/Pro genotype.
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Abstract
The increasing evidence that asthma begins very early in childhood leads the need for having outcome's measures able to identify the early damage and its evolution both for research than for clinical purposes. The current available methods are clinical questionnaires, pulmonary function tests, airway reactivity tests and direct or indirect inflammation markers' measures. Among the first, ISAAC questionnaire, for epidemiological purpose, Asthma Control Test, for clinical monitoring and Health Related Quality of Life questionnaire are the most used. There are many pulmonary function tests that may be used in all age for functional evaluation, but airway responsiveness measures may be commonly performed only in school age children. As regards respiratory inflammation measures the only currently useful is the exhaled nitric oxide evaluation. The complexity of the pathogenic mechanisms, molecular, cellular and inflammatory that realize the asthmatic syndrome and the effects of the disease on respiratory function, on the activity of the child, on the quality of life of the family and on the economic costs to society show that there is no a single outcome measure that can evaluate all these effects simultaneously.
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Sensitization to timothy grass pollen allergenic molecules in children. Multidiscip Respir Med 2013; 8:17. [PMID: 23448255 PMCID: PMC3598758 DOI: 10.1186/2049-6958-8-17] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/07/2012] [Accepted: 02/01/2013] [Indexed: 12/16/2022] Open
Abstract
BACKGROUND Grass pollens are significant elicitors of IgE-mediated allergic disease in the world and timothy (Phleum pratense) is one of the most important pollens of the family. Molecular and biochemical characterization of Phleum pratense has revealed several allergen components: rPhl p 1 and rPhl p 5 have been shown to be "Species Specific Allergens", while the profilin rPhl p 12 and the calcium-binding protein rPhl p 7 are the principal Cross-Reactive components. METHODS In this study the pattern of sensitization to rPhl p 1, rPhl p 5, rPhl p 7 and rPhl p 12 was analyzed in children with asthma and/or rhinoconjunctivitis and grass pollen allergy, in order to evaluate the frequency of sensitization to allergenic molecules of Phleum pratense among pediatric subjects allergic to grass pollen in a Mediterranean population. The correlation of sensitization to these Phleum allergenic molecules with IgE against grass pollen extract and its variation according to age and level of IgE against grass pollen extract were evaluated. RESULTS IgE against to rPhl p 1 were found in 99% (205/207) of patients, to rPhl p 5 in 67% (139/207), to rPhl p 12 in 32% (66/207) and to rPhl p 7 only in 5% (10/207).Sensitization only to "Species Specific" (rPhl p1, rPhl p5) allergenic molecules of Phleum pratense was detected in 65% (135/207) of children. Our data show the predominant role of rPhl p 1 in pediatric populations as the most relevant sensitizing allergen detectable at all ages and at all levels of timothy grass pollen-specific IgE antibodies, while the importance of rPhl p 5 rises with the increase of patients' age and with grass pollen IgE levels. CONCLUSIONS The assessment of sensitization to grass pollen allergenic molecules could help develop a better characterization of allergic sensitization in grass pollen allergy in children, which may be different in every patient. It could also enable clinicians to give more specific and effective immunotherapy, based on allergenic molecule sensitization.
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Sensitization to timothy grass pollen allergenic molecules in children. Multidiscip Respir Med 2013. [DOI: 10.4081/mrm.2013.491] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/23/2022] Open
Abstract
Background: Grass pollens are significant elicitors of IgE-mediated allergic disease in the world and timothy (Phleum pratense) is one of the most important pollens of the family. Molecular and biochemical characterization of Phleum pratense has revealed several allergen components: rPhl p 1 and rPhl p 5 have been shown to be “Species Specific Allergens”, while the profilin rPhl p 12 and the calcium-binding protein rPhl p 7 are the principal Cross-Reactive components. Methods: In this study the pattern of sensitization to rPhl p 1, rPhl p 5, rPhl p 7 and rPhl p 12 was analyzed in children with asthma and/or rhinoconjunctivitis and grass pollen allergy, in order to evaluate the frequency of sensitization to allergenic molecules of Phleum pratense among pediatric subjects allergic to grass pollen in a Mediterranean population. The correlation of sensitization to these Phleum allergenic molecules with IgE against grass pollen extract and its variation according to age and level of IgE against grass pollen extract were evaluated. Results: IgE against to rPhl p 1 were found in 99% (205/207) of patients, to rPhl p 5 in 67% (139/207), to rPhl p 12 in 32% (66/207) and to rPhl p 7 only in 5% (10/207). Sensitization only to “Species Specific” (rPhl p1, rPhl p5) allergenic molecules of Phleum pratense was detected in 65% (135/207) of children. Our data show the predominant role of rPhl p 1 in pediatric populations as the most relevant sensitizing allergen detectable at all ages and at all levels of timothy grass pollen-specific IgE antibodies, while the importance of rPhl p 5 rises with the increase of patients’ age and with grass pollen IgE levels. Conclusions: The assessment of sensitization to grass pollen allergenic molecules could help develop a better characterization of allergic sensitization in grass pollen allergy in children, which may be different in every patient. It could also enable clinicians to give more specific and effective immunotherapy, based on allergenic molecule sensitization.
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Comparison of the Bronchodilator Effect of Inhaled Short- and Long-Acting beta(2)-Agonists in Children with Bronchial Asthma: A Randomised Trial. Clin Drug Investig 2012; 16:19-24. [PMID: 18370514 DOI: 10.2165/00044011-199816010-00003] [Citation(s) in RCA: 9] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/02/2022]
Abstract
OBJECTIVE This study compared the bronchodilator effects of short-acting (salbutamol and procaterol) and long-acting (salmeterol and formoterol) beta(2)-agonists in children with bronchial asthma. PATIENTS Twenty-seven (18 male, 9 female) children with bronchial asthma were enrolled in the study. Drugs were administered randomly in the morning for 5 days as follows: 1 single dose of two short-acting beta(2)-agonists, salbutamol 200microg and procaterol 20microg, and two long-acting beta(2)-agonists salmeterol 50microg and formoterol 24microg, and placebo. RESULTS All beta(2)-agonists demonstrated a significantly higher bronchodilator effect than that observed with placebo. This effect appeared to be due to the forced expiratory flows. Formoterol produced a higher bronchodilator effect than salbutamol, and salmeterol showed a bronchodilator effect comparable with salbutamol at 30 minutes but higher than salbutamol after 3 hours. CONCLUSION Our study confirmed the efficacy of the bronchodilator effects of the beta(2)-agonists. Salmeterol and formoterol, in particular, produced an improvement in respiratory function with a significant increase in forced expiratory flows in children with bronchial asthma.
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Montelukast versus inhaled corticosteroids in the management of pediatric mild persistent asthma. Multidiscip Respir Med 2012. [DOI: 10.4081/mrm.2012.642] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/22/2022] Open
Abstract
International guidelines recommend the use of inhaled corticosteroids (ICSs) as the preferred therapy, with leukotriene receptor antagonists (LTRAs) as an alternative, for the management of persistent asthma in children. Montelukast (MLK) is the first LTRA approved by the Food and Drug Administration for the use in young asthmatic children. Therefore, we performed an analysis of studies that compared the efficacy of MLK versus ICSs. We considered eligible for the inclusion randomized, controlled trials on pediatric populations with Jadad score>3, with at least 4 weeks of treatment with MLK compared with ICS. Although it is important to recognize that ICSs use is currently the recommended first-line treatment for asthmatic children, MLK can have consistent benefits in controlling asthmatic symptoms and may be an alternative in children unable to use ICSs or suffering from poor growth. On the contrary, low pulmonary function and/or high allergic inflammatory markers require the corticosteroid use.
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Montelukast versus inhaled corticosteroids in the management of pediatric mild persistent asthma. Multidiscip Respir Med 2012; 7:13. [PMID: 22958412 PMCID: PMC3436659 DOI: 10.1186/2049-6958-7-13] [Citation(s) in RCA: 8] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/11/2012] [Accepted: 07/05/2012] [Indexed: 11/16/2022] Open
Abstract
International guidelines recommend the use of inhaled corticosteroids (ICSs) as the preferred therapy, with leukotriene receptor antagonists (LTRAs) as an alternative, for the management of persistent asthma in children. Montelukast (MLK) is the first LTRA approved by the Food and Drug Administration for the use in young asthmatic children.Therefore, we performed an analysis of studies that compared the efficacy of MLK versus ICSs. We considered eligible for the inclusion randomized, controlled trials on pediatric populations with Jadad score > 3, with at least 4 weeks of treatment with MLK compared with ICS.Although it is important to recognize that ICSs use is currently the recommended first-line treatment for asthmatic children, MLK can have consistent benefits in controlling asthmatic symptoms and may be an alternative in children unable to use ICSs or suffering from poor growth. On the contrary, low pulmonary function and/or high allergic inflammatory markers require the corticosteroid use.
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ADMA, SDMA, L-Arginine and nitric oxide in allergic pediatric bronchial asthma. J BIOL REG HOMEOS AG 2012; 26:561-6. [PMID: 23034276 DOI: pmid/23034276] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 02/08/2023]
Abstract
Published data regarding asymmetric dimethylarginine (ADMA), symmetric dimethylarginine (SDMA), L-arginine (L-ARG) and nitric oxide fraction in exhaled air (FeNO) in pediatric bronchial asthma are limited. Many question remain open about plasma concentration of these substances. The aim of this study is to evaluate ADMA, SDMA, L-ARG and FeNO concentration in allergic pediatric mild asthmatic patients in respect to healthy subjects. In this case-control study 60 children (50 asthmatics and 10 healthy) underwent a complete clinical visit, baseline respiratory function, allergy tests and biochemical analyses. The statistical significance of the different concentrations between the two groups were studied using one-way analysis of variance (ANOVA). A p value less than 0.05 was considered statistically significant. The mean plasma ADMA (0.58 vs 0.68 micromol/L), SDMA (0.40 vs 0.45 micromol/L) and L-ARG (52.2 vs 74.13 micromol/L) concentration were significantly lower (p less than 0.001) in the asthmatic patients in respect to healthy subjects (control group). The concentration of FeNO was significantly higher in the asthmatic subjects in respect to the control group (9.18 vs 4.2 micromol/L; p less than 0.001). Low plasma concentrations of ADMA, SDMA, L-ARG and high concentration of FeNO are associated with bronchial asthma and indicate an important role in airway disease through NO metabolism.
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Relationship between exercise-induced bronchospasm (EIB) and asthma control test (ACT) in asthmatic children. J Asthma 2012; 48:1081-4. [PMID: 22091744 DOI: 10.3109/02770903.2011.631242] [Citation(s) in RCA: 17] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/13/2022]
Abstract
OBJECTIVE Evaluate the relationship between Asthma Control Test™ (ACT) and exercise-induced bronchospasm (EIB) in 81 asthmatic children. METHODS EIB was assessed in every patient by Balke protocol and asthma control was evaluated by ACT. Patients were divided into three groups: Group A (30 patients) with complete asthma control (ACT score = 25), Group B (37 patients) with partial asthma control (ACT score = 21-24), and Group C (14 patients) with poor asthma control (ACT score < 20). RESULTS About 36% (11/30) of patients in Group A (with complete asthma control) tested positive for EIB, whereas 21% (8/37) in Group B (with partial asthma control) and 28% (4/14) in Group C (with poor asthma control) exhibited EIB. The percentage of positive EIB was very similar between the three groups with no differences between controlled, partially controlled, and uncontrolled asthma. Statistical evaluation by χ(2)-test between complete (ACT score = 25) and not complete asthma control (ACT score < 24) confirmed a statistically significant difference (p < .01) between the obtained data. CONCLUSIONS It must be stated that ACT alone is not sufficient to evaluate asthma control in children correctly because it fails to detect EIB in a significant percentage of subjects.
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Pathogenesis and Clinical Approaches to Anticonvulsant Hypersensitivity Syndrome: Current State of Knowledge. Int J Immunopathol Pharmacol 2011; 24:277-84. [DOI: 10.1177/039463201102400201] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022] Open
Abstract
Anticonvulsant hypersensitivity syndrome (AHS) is a rare, but severe and potentially fatal, adverse reaction that occurs in patients who are treated with commonly used older anticonvulsant drugs (phenytoin, carbamazepine and phenobarbital) and/or with some newer agents (lamotrigine). Paediatric patients are at an increased risk for the development of AHS for the higher incidence of seizure disorder in the first decade of life. Hypersensitivity reactions range from simple maculopapular skin eruptions to a severe life-threatening disorder. AHS is typically associated with the development of skin rash, fever and internal organ dysfunctions. Recent evidence suggests that AHS is the result of a chemotoxic and immunologically-mediated injury, characterized by skin and mucosal bioactivation of antiepileptic drugs and by major histocompatibility complex-dependent clonal expansion of T cells. Early recognition of AHS and withdrawal of anticonvulsant therapy are essential for a successful outcome. In vivo and vitro tests can be helpful for the diagnosis that actually depends essentially on clinical recognition.
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The reciprocal influences of asthma and obesity on lung function testing, AHR, and airway inflammation in prepubertal children. Pediatr Pulmonol 2010; 45:1103-10. [PMID: 20672295 DOI: 10.1002/ppul.21295] [Citation(s) in RCA: 32] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/09/2022]
Abstract
Although asthma and obesity are among the major chronic disorders their reciprocal or independent influences on lung function testing, airways hyperresponsiveness (AHR) and bronchial inflammation has not been completely elucidated. In 118 pre-pubertal Caucasian children anthropometric measurements functional respiratory parameters (flow/volume curves at baseline and after 6-minute walk test [6MWT]) together with bronchial inflammatory index (FeNO) were assessed. The study population was divided into four groups according to BMI and the presence or absence of asthma: Obese asthmatic (ObA) Normal-weight asthmatic (NwA), Obese non-asthmatic (Ob), non-asthmatic normal-weight children (Nw). Baseline PEF and MEF(75) (%-expected) were significantly different across the four groups with significantly lower values of MEF(75) in ObA and Ob children when compared to Nw children (P = 0.004 and P = .0001, respectively) and this independent role of obesity on upper respiratory flows was confirmed by multiple analysis of covariance. After 6 MWT respiratory parameters decreased only in ObA and NwA children and 12 children presented a positive fall in FEV(1), in contrast no changes of respiratory function testing were detected in Ob and Nw children, and only 2 Ob children presented a significant fall in FEV(1). FeNO analysis demonstrated significantly higher values in ObA and NwA children when compared to Ob (P = 0.008 and P = 0.0002, respectively) and Nw children (P = 0.0001 and P = 0.0003, respectively), although a significant difference was found between Ob and Nw children (P = 0.0004). Multiple analysis of covariance confirmed an independent role of asthma on this parameter. In conclusion while AHR and airway inflammation are clearly associated with an asthmatic status, obesity seems to induce reduction of upper airways flows associated with a certain degree of pro-inflammatory changes.
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FeNO as a Marker of Airways Inflammation: The Possible Implications in Childhood Asthma Management. J Allergy (Cairo) 2010; 2010:691425. [PMID: 20948878 PMCID: PMC2948939 DOI: 10.1155/2010/691425] [Citation(s) in RCA: 30] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/16/2009] [Revised: 01/30/2010] [Accepted: 03/01/2010] [Indexed: 11/17/2022] Open
Abstract
The aim of this study was to verify FeNO usefulness, as a marker of bronchial inflammation, in the assessment of therapeutic management of childhood asthma. We performed a prospective 1-year randomized clinical trial evaluating two groups of 32 children with allergic asthma: "GINA group", in which therapy was assessed only by GINA guidelines and "FeNO group", who followed a therapeutic program assessed also on FeNO measurements. Asthma Severity score (ASs), Asthma Exacerbation Frequency (AEf), and Asthma Therapy score (ATs) were evaluated at the start of the study (T1), 6 months (T2), and 1 year after (T3). ASs and AEf significantly decreased only in the FeNO group at times T2 and T3 (p[T1-T2] = 0.0001, and p[T1-T3] = 0.01; p[T1-T2] = 0.0001; and p[T1-T3] < 0.0001, resp.). After six months of follow-up, we found a significant increase of patients under inhaled corticosteroid and/or antileukotrienes in the GINA group compared to the FeNO group (P = .02). Our data show that FeNO measurements, might be a very useful additional parameter for management of asthma, which is able to avoid unnecessary inhaled corticosteroid and antileukotrienes therapies, however, mantaining a treatment sufficient to obtain a meaningful improvement of asthma.
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Abstract
Polysensitization is quite frequent in allergic children and may cause difficulties for the allergist in prescribing allergen-specific immunotherapy. This study aimed at evaluating the clinical effectiveness of 1 year of sublingual immunotherapy (SLIT) in a cohort of Italian allergic children with polysensitization. This open study was performed on 51 polysensitized children (34 boys; mean age, 11.8 years; range, 5.2-17.7 years) with allergic rhinitis and/or mild to moderate asthma. All of them were treated with SLIT for 1 year. The kind and the number of prescribed allergen extracts, the type of diagnosis, the severity of symptoms, and the use of drugs were evaluated at baseline and after 1 year. The adverse events to SLIT were also evaluated. Forty-two children were treated with a single extract, four with two different extracts and three with a mix of allergens. SLIT treatment induced a significant reduction in the number of sensitizations (p = 0.018); significant improvement of allergic rhinitis classification and severity; significant reduction of ocular, nasal, and bronchial symptoms (p < 0.01 for all); and drugs use (p < 0.01 for all drugs). No systemic reactions to SLIT were observed. This open study provides evidence that polysensitization is not an obstacle for prescribing SLIT in polysensitized children. Indeed, SLIT efficacy on clinical parameters is significant after 1 year and the therapy is safe.
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MESH Headings
- Administration, Sublingual
- Adolescent
- Allergens/administration & dosage
- Allergens/adverse effects
- Asthma/immunology
- Asthma/physiopathology
- Asthma/therapy
- Child
- Cohort Studies
- Complex Mixtures/administration & dosage
- Complex Mixtures/adverse effects
- Desensitization, Immunologic
- Disease Progression
- Female
- Humans
- Italy
- Male
- Rhinitis, Allergic, Perennial/immunology
- Rhinitis, Allergic, Perennial/physiopathology
- Rhinitis, Allergic, Perennial/therapy
- Rhinitis, Allergic, Seasonal/immunology
- Rhinitis, Allergic, Seasonal/physiopathology
- Rhinitis, Allergic, Seasonal/therapy
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Sublingual immunotherapy in polysensitized patients: effect on quality of life. J Investig Allergol Clin Immunol 2010; 20:274-279. [PMID: 20815304] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 05/29/2023] Open
Abstract
BACKGROUND Quality of life (QOL) is an important issue in allergic rhinitis and has been evaluated in a number of studies that have shown how it is impaired in untreated patients and improved by effective treatment. However, there are no data concerning QOL after sublingual immunotherapy (SLIT) in polysensitized patients. OBJECTIVE To evaluate the effect, in real-life clinical practice, of SLIT on QOL in a population of polysensitized patients with allergic rhinitis. METHODS We prospectively evaluated 167 consecutively enrolled polysensitized patients with allergic rhinitis. QOL was measured in all cases with the Rhinoconjunctivitis Quality of Life Questionnaire at baseline and after 1 year of SLIT (performed in approximately 70% of cases using single allergen extracts provided by the same manufacturer). RESULTS The most frequent causes of sensitization were grass pollen, Parietaria, and house dust mites. The mean number of sensitizations per patient was 3.65. SLIT was performed with 1 extract in 123 patients (73.6%), with 2 extracts in 31 patients (18.6%), and with more than 2 extracts in 13 patients (7.8%). The mean values of all the QOL items improved significantly (P < .01 in all cases), with the following reductions noted: activities, 3.96 to 2.89; sleep, 2.07 to 1.56; general problems, 2.16 to 1.5; practical problems, 3.69 to 2.58; nasal symptoms, 3.57 to 2.50; eye symptoms, 2.92 to 1.83; and emotional aspects, 2.2 to 1.44. CONCLUSIONS This study provides evidence that QOL can be improved in polysensitized patients treated with SLIT, and that the use of just 1 or 2 allergen extracts seems to be sufficient and effective in terms of improving QOL.
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MESH Headings
- Administration, Sublingual
- Adolescent
- Adult
- Animals
- Antigens, Dermatophagoides/therapeutic use
- Antigens, Plant/therapeutic use
- Desensitization, Immunologic
- Female
- Humans
- Immunization
- Male
- Parietaria/immunology
- Poaceae/immunology
- Pollen/adverse effects
- Pyroglyphidae/immunology
- Quality of Life
- Rhinitis, Allergic, Perennial/diagnosis
- Rhinitis, Allergic, Perennial/immunology
- Rhinitis, Allergic, Perennial/physiopathology
- Rhinitis, Allergic, Perennial/therapy
- Rhinitis, Allergic, Seasonal/diagnosis
- Rhinitis, Allergic, Seasonal/immunology
- Rhinitis, Allergic, Seasonal/physiopathology
- Rhinitis, Allergic, Seasonal/therapy
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Sublingual immunotherapy in polysensitized allergic patients with rhinitis and/or asthma: allergist choices and treatment efficacy. J BIOL REG HOMEOS AG 2009; 23:165-171. [PMID: 19828093] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 05/28/2023]
Abstract
Polysensitization is very common in allergic patients and was previously reported to be associated with more severe symptoms and impaired quality of life. Polysensitization is often considered as a contraindication for specific immunotherapy (SIT). This study is aimed at evaluating the allergist attitude for decision making in choosing SIT in a cohort of Italian polysensitized patients. Moreover, the 1-year effectiveness of the prescribed sublingual immunotherapy (SLIT) in this cohort was evaluated. The study was performed on 244 patients (109 males, 135 females, mean age 28.7 years, S.D. 12.0) with allergic rhinitis (assessed by ARIA criteria) and/or mild to moderate asthma (assessed by GINA criteria) treated with SLIT for 1 year. The kind and the number of prescribed allergen extracts, type of diagnosis, severity of symptoms, use of drugs, and adverse events were evaluated at baseline and after 1 year. A total of 230 patients were treated with SLIT: 165 with a single extract, and 65 with two different extracts (mix). SLIT treatment significantly improved disease staging, and reduced symptom severity and drug use. No systemic reaction was reported. In conclusion, these findings provide preliminary evidence that SIT is effective and safe in polysensitized patients after 1 year of treatment also using single extracts, and thus does not represent an obstacle for prescribing SIT.
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Characteristics of patients with allergic polysensitization: the POLISMAIL study. Eur Ann Allergy Clin Immunol 2008; 40:77-83. [PMID: 19334371] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 05/27/2023]
Abstract
BACKGROUND The natural history of respiratory allergy is commonly characterized by a worsening of symptom severity, frequent comorbidity of rhinitis and asthma, and polysensitization to aeroallergens. The polysensitization phenomenon starts since childhood and is rare to find monosensitized adult patients. However, there are few studies investigating the characteristics of polysensitized patients. METHODS This study was performed on a large cohort of patients with allergic rhinitis (assessed by ARIA criteria) and/or mild to moderate asthma (assessed by GINA). The kind and the number of sensitizations, their patterns, and the relation with quality of life (QoL) measured by the Juniper's RQLQ guestionnaire, were evaluated. RESULTS Globally 418 patients (50.2% males, 49.8% females, mean age 26.4 years, range 3.5-65 years, 64 smokers, 371 non-smokers) were enrolled: 220 had allergic rhinitis alone, and 198 allergic rhinitis and asthma. The mean number ofsensitizations was 2.6. Three hundred-five patients (73%) had persistent rhinitis (PER), 220 of them with moderate-severe form. There was no significant derence in rate of rhinitis and asthma in monosensitized or polysensitized patients. Most patients were sensitized to pollens, whereas only 24.2% of them were sensitized to perennial allergens. Polysensitization was significantly associated with some issues of QoL, confirming previous findings, but not with number ofsensitizations. CONCLUSIONS This study provides data confirming for poly-sensitized patients the relevance of ARIA classification of AR. PER is the most common form of AR in this cohort, symptoms are frequently moderate-severe, and asthma is present in about the half of patients with AR.
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MESH Headings
- Adolescent
- Adult
- Age Factors
- Aged
- Allergens/adverse effects
- Animals
- Anti-Allergic Agents/therapeutic use
- Antigens, Plant/adverse effects
- Asthma/drug therapy
- Asthma/epidemiology
- Asthma/etiology
- Cats
- Child
- Child, Preschool
- Cohort Studies
- Dogs
- Female
- Fungi
- Humans
- Immunization
- Italy/epidemiology
- Male
- Middle Aged
- Pollen/adverse effects
- Prospective Studies
- Pyroglyphidae
- Quality of Life
- Rhinitis, Allergic, Perennial/drug therapy
- Rhinitis, Allergic, Perennial/epidemiology
- Rhinitis, Allergic, Perennial/etiology
- Rhinitis, Allergic, Seasonal/drug therapy
- Rhinitis, Allergic, Seasonal/epidemiology
- Rhinitis, Allergic, Seasonal/etiology
- Skin Tests
- Smoking/epidemiology
- Young Adult
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Intermittent and Persistent Allergic Rhinitis and Association with Asthma in Children. EUR J INFLAMM 2008; 6:123-128. [DOI: 10.1177/1721727x0800600304] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/23/2023] Open
Abstract
The natural history of allergic rhinitis (AR) is commonly characterized by worsening of symptom severity, frequent comorbidity with asthma, and polysensitization to aeroallergens. The polysensitization phenomenon starts in early childhood. AR classification has been recently revised, and some studies investigated the new types: intermittent (IAR) and persistent (PER) AR. However, no study has been carried out on children regarding this issue. This preliminary study was performed on a large cohort of children with allergic rhinitis to evaluate the type and severity of rhinitis and its possible association with asthma, including severity grade. One hundred and thirty-nine children (86 males, 53 females, mean age 11.8 years, range 3.5–17.7 years) with allergic rhinitis were prospectively and consecutively evaluated. Seventy-one children had rhinitis alone and 68 had rhinitis associated with asthma. Forty children had IAR, 30 of whom with moderate-severe grade. Ninety-nine children had PER, 65 of whom had moderate-severe grade. The severity of AR was not associated with asthma presence (Fisher χ2 = 0.5765; Prob.=0.9018). Regarding asthma severity, 30 children had the intermittent form, whereas 38 had the persistent form: 15 mild, 22 moderate, and 1 severe. This study provides the first evidence concerning the ARIA classification in children, partially confirming findings obtained in adulthood.
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Comparison of add-on therapy to inhaled fluticasone propionate in children with asthma: residual volume and exhaled nitric oxide as outcome measures. Allergy Asthma Proc 2007; 28:691-4. [PMID: 18201433 DOI: 10.2500/aap.2007.28.3054] [Citation(s) in RCA: 12] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/20/2022]
Abstract
The purpose of this study was to evaluate changes in lung function and fractional exhaled nitric oxide (FeNO) in children with mild to moderate persistent asthma treated with low-dose inhaled steroids but still manifesting significantly increased residual volume (RV). This was a crossover study evaluating lung function and FeNO before and after a 2-week crossover therapy period by adding either montelukast or salmeterol to inhaled fluticasone propionate in 12 children with asthma. Salmeterol increased forced expiratory volume at 1 second (FEV(1)) and decreased RV without effects on eNO. Addition of montelukast produced a statistically significant decrease both for RV (from 191.7 +/- 60.8% to 132.4 +/- 36.1%; p = 0.03) and for eNO (from 14.0 +/- 6.3 ppb to 8. 5+/- 5.0 ppb; p < 0.01). No effect was observed for the montelukast treatment period in FEV(1) and forced expiratory flow at 25-75%. Add-on therapy may reduce RV and decrease levels of FeNO, leading to consideration of a possible anti-inflammatory additive effect that could improve the control of the disease.
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Abstract
The aim of this study was to detect the best test lung function to identify abnormalities in asthmatic children while asymptomatic. We studied 200 asthmatic children. Patients were evaluated by questionnaire to evaluate the presence of symptoms and drug consumption in the previous 3 months. Allergological evaluation by skin-prick tests and seric-specific IgE determination for relevant local inhalant allergens was made. Lung function was studied evaluating expiratory flows and measuring lung volumes by nitrogen washout technique. One hundred twenty-seven of 200 (63%) children showed functional abnormalities: 21 (10.5%) children had flow reductions, 56 (28%) children had volume modifications, and 50 (25%) children had either flow and lung volume alterations, respectively. We observed increased total lung capacity (TLC), residual volume (RV), and ratio RV/TLC values more often in patients with mild and moderate persistent asthma than in patients with intermittent asthma. No significant difference was detected considering expiratory flows. Measurements of lung volumes are an important tool to evaluate "air trapping" in asthmatic patients and this could be related to disease severity. According to the literature, our data suggest that an increase of RV, functional residual capacity RV/TLC could be the only functional airway dysfunction present in asthmatic children during asymptomatic period.
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Adrenal suppression from high-dose inhaled fluticasone propionate in children with asthma. Eur Respir J 2004; 23:354-5. [PMID: 14979518 DOI: 10.1183/09031936.03.00102803] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [MESH Headings] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/05/2022]
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22
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Lack of correlation between clinical patterns of asthma and airway obstruction. Allergy Asthma Proc 2001; 22:297-302. [PMID: 11715220] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/22/2023]
Abstract
To evaluate the relationship between the classification of asthma and obstruction of airways, we have studied 100 children suffering from allergic asthma: 65 males and 35 females, aged 4.2-16.3 years (mean, 7.6 +/- 2.8 years), who were evaluated at least 1 month after the last attack of airway obstruction. We analyzed personal history of all children with special reference to number of attacks of airway obstruction in the last year, severity, and presence of respiratory symptoms in the last month. The children studied have been classified in three groups according to the International Pediatric Respiratory Allergy Forum (IPRAF) '98 method (Third International Pediatric Consensus Statement on the management of childhood asthma). All children underwent the assessment of their respiratory function by means of analysis of the flow/volume loops with measurement of the obstruction indices (forced expiratory volume in 1 second [FEV1], peak expiratory flow [PEF], and maximal midexpiratory flow [MMEF]). The efficacy of the aforementioned method has been evaluated by analyzing the number of the subjects who showed indices of airway obstruction not in agreement with the group assigned. Eighty-five of the children studied were diagnosed with infrequent episodic asthma (IEA), 14 children were diagnosed with frequent episodic asthma (FEA), and 1 child was diagnosed with persistent asthma (PA). Thirty-six of 100 children showed obstruction indices not in agreement with the asthma group: in particular, 24 of 85 children with IEA had FEV1 < 80%, 11 children with FEA had FEV1 > 80%, and 1 child with PA had FEV1 > 80%. The high percentage of discordance between clinical classification and obstruction index in the subjects with IEA can be caused by the persistence of abnormalities of the respiratory function without clinical symptoms. The presence of a normal obstruction index in the subjects with FEA can be explained by the pharmacologic therapies. These data suggest the usefulness of a careful evaluation of the respiratory function associated with a clinical assessment to carry out a more appropriate therapy.
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Sensitization to environmental antigens in asthmatic children from a central Italian area. THE SCIENCE OF THE TOTAL ENVIRONMENT 2001; 270:63-69. [PMID: 11327400 DOI: 10.1016/s0048-9697(00)00798-1] [Citation(s) in RCA: 15] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/23/2023]
Abstract
This study was designed to evaluate the frequency of respiratory allergens in different age groups of asthmatic atopic children in the Chieti-Pescara area. We examined a pediatric population (507 children) aged between 1 to 17 years (mean 6.62 +/- 2.9). All the children were submitted to a panel of skin prick tests (SPT) for 12 common aeroallergens: Grass Pollens (G.), Parietaria (P.), Olive (O.), Artemisia (A.), Ragweed (R.), Dermatophagoides Pteronyssinus and Dermatophagoides Farinae (D.P. & D.F.), Cat and Dog dander (C.D.), Feathers (F.), Alternaria (Al.), Aspergillus (As.). All the subjects gave positive result to one or more allergens. The population was subdivided in to 4 groups according to their age (Group A: 1-3 years; Group B: 4-6 years; Group C: 7-9 years; Group D: 10-17 years). In each age group, we determined the number of subjects with 1, 2, 3, 4 or 5 and more than 5 positive SPT and the prevalence of positive SPT for different allergens. We found that 74% of 507 patients showed positive reaction to Dermatophagoides Pt, 71% to Dermatophagoides Fa, 45% to Grass, 23% to Parietaria, 21% to Olive, 17% to Artemisia, 17% to Cat's or Dog's danders, 13% to Alternaria, 5.9% to Ragweed, 5.9% to Feathers, and 4% to Aspergillus. In addition we detected that 12% of children examined were monosensitized; 56% were sensitized to 2 or 3 allergens; 22% were sensitized to 4 or 5 allergens, and then 8% were polysensitized to > 5 allergens. The allergy to grass pollens and to house dust mites was the most frequent in monosensitized. In the older patients, we found an increase in number of positives SPT to several allergens, and an increase in the frequency of Gr., P. and O. allergy, while the house dust mites sensitization remained constant in all groups and represented the dominant cause of asthmatic symptoms in this population. Our data confirm the importance of age in determining a respiratory polysensitization. In conclusion, our data suggest that house dust mites (D.P. and D.F.) and grass pollens are the most common allergens in asthmatic children of the Chieti-Pescara area.
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Functional Effects of Controlled Physical Activity in Children and Young Adults Affected by Exercise-Induced Asthma Treated with Corticosteroids and ??2-Agonists. Clin Drug Investig 1999. [DOI: 10.2165/00044011-199917060-00007] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/02/2022]
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Effectiveness of nedocromil sodium in preventing exercise-induced asthma in children. Panminerva Med 1995; 37:210-3. [PMID: 8710404] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/01/2023]
Abstract
Exercise-induced asthma is a well-known phenomenon, particularly affecting children, with an important social impact. In order to assess the usefulness of nedocromil sodium in the prevention of exercise-induced asthma, we studied 49 (15 females, 34 males) children who suffered from asthma; their mean +/- SD age was 9.2 +/- 3.0 (range: 3.3-19.1) years. On the first day respiratory function was evaluated by spirometry, basally and after 6 minutes. The inhalation of nedocromil sodium had a great influence on post-exercise lung function measurements; in fact on the day of nedocromil sodium pretreatment, our patients showed an increase of respiratory function, significantly different from the parameters recorded during the first day. Our findings suggest that nedocromil sodium is effective in the prevention of exercise-induced asthma, in pediatric age.
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Abstract
The principal spirometric and plethysmographic parameters were measured in 68 (38 female) diabetic children and adolescents, aged from 6.01 to 22.00 years; their duration of disease ranged from 1 to 247 months. Thirty-four patients had persistent microalbuminuria. The patients were studied basally and after the Bruce test. All the spirometric parameters were normal in all children, with and without microalbuminuria. The presence of microalbuminuria seems not to be a risk factor for the developing of abnormal pulmonary function.
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Long-term therapy in childhood asthma: clinical and auxological effects. RIVISTA EUROPEA PER LE SCIENZE MEDICHE E FARMACOLOGICHE = EUROPEAN REVIEW FOR MEDICAL AND PHARMACOLOGICAL SCIENCES = REVUE EUROPEENNE POUR LES SCIENCES MEDICALES ET PHARMACOLOGIQUES 1990; 12:169-73. [PMID: 2129275] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 12/30/2022]
Abstract
The authors studied the effect of different therapeutical regimens on the growth of children suffering from asthma. These patients were subdivided into four groups of ten patients according to their therapeutic regimens: Group A = ketotifene (1 mg, two times/day), Group B = diproprionate beclomethasone + salbuthamol (100 + 200 mcg, 3 times/day), Group C = ketotifene + diproprionate beclomethasone, Group D = disodiumcromoglycate (20 mg, 3 times/day). The patients were followed for at least 1 year. Our study has shown that all the children treated with the four different regimens had a normal growth and growth velocity.
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[Evaluation of nasal eosinophils after specific provocation in the diagnosis of respiratory allergy]. LA PEDIATRIA MEDICA E CHIRURGICA 1989; 11:393-5. [PMID: 2616343] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/01/2023] Open
Abstract
The authors describe the results of a study of a group of children suffering from allergic rhinitis; the Authors evaluated eosinophils, basally and after nasal provocation test. Both clinical and cellular responses were evaluated. The basal results were: presence of eosinophils in 9/17 (52.9%) subjects allergic to Graminacee, in 42/61 (68.3%) subjects allergic to Dermatophagoides and in 3/3 (100%) subjects allergic to Parietaria. The results of the clinical response are the following: Graminacee: positive response in 20/22 (90.9%) tests; Dermatophagoides: 48/63 (76.2%); Parietaria: 6/6 (100%). The results of laboratory response are the following: Graminacee: positive response in 14/18 (77.8%) tests; Dermatophagoides: 45/59 (76.3%); Parietaria: 5/5 (100%). The evaluation of both responses is useful to increase the sensitivity of the nasal provocation test.
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IgG subclass deficiency and recurrent respiratory infections in children. RIVISTA EUROPEA PER LE SCIENZE MEDICHE E FARMACOLOGICHE = EUROPEAN REVIEW FOR MEDICAL AND PHARMACOLOGICAL SCIENCES = REVUE EUROPEENNE POUR LES SCIENCES MEDICALES ET PHARMACOLOGIQUES 1989; 11:251-5. [PMID: 2640045] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 01/01/2023]
Abstract
The aim of this study was to investigate the humoral immunity of children with recurrent respiratory tract infections. Fifty-seven (17 female, 40 male) children, aged from 1.1 to 12.0 years were evaluated, after 1 month from the last infectious disease. The total number of children with IgG subclasses deficiency was 29/57 with the following IgG deficiency distribution: IgG1 = 2 children, IgG2 = 13 children, IgG3 = 4 children, IgG4 = 25 children. Moreover, 13 children with IgG4 deficiency showed low levels of other (one or more) IgG subclasses. It is probable that these low IgG subclasses levels are an important immunological abnormality of these children.
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31
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[Chernobyl accident: dosimetric evaluation and estimation of risks]. LA RADIOLOGIA MEDICA 1986; 72:699-704. [PMID: 3775087] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 01/07/2023]
Abstract
The results of dosimetric evaluations carried out after Chernobyl accident in the Health Physics Department of Niguarda Ca' Granda Hospital (Milan) on air, rain and ground contamination are presented. The results obtained show that the incidence of stochastic late effects, both somatic and genetic, will be so low that practically will not be distinguishable from "natural" incidence.
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32
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[Pneumonitis in childhood. Multicenter investigation between 1983 and 1984]. Minerva Pediatr 1985; 37:803-9. [PMID: 4094599] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [MESH Headings] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/08/2023]
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[Natural cytotoxic activity of lymphocytes in children with atopic dermatitis]. GIORN ITAL DERMAT V 1985; 120:271-5. [PMID: 4044004] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [MESH Headings] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/08/2023]
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[Clinical and functional sequelae of bronchiolitis]. LA PEDIATRIA MEDICA E CHIRURGICA 1985; 7:405-10. [PMID: 3837201] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/07/2023] Open
Abstract
The authors carried out a follow-up on twenty-five children, affected with bronchiolitis in the early years of life, at seven years of age, in order to evaluate their clinical status and pulmonary function. Their parents were questioned about diseases of the small airways following to acute bronchiolitis. PRIST and RAST were effected in fourteen children; an evaluation of the pulmonary function with spirometry, flow-volume curve and body-plethysmography was done in every child. Then the flow-volume curve was repeated after bronchial provocation test with exercise (free running). Abnormalities of the pulmonary function at resting significant for small airways' obstruction were observed. A great number of children with bronchial hyperreactivity (60%) was observed after bronchial provocation test with exercise, particularly in those with genetic predisposition; 6/14 (43%) showed sensitization to many inhalant allergens, without correlation with genetic predisposition, clinical sequences and bronchial hyperreactivity.
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[T-lymphocyte populations defined by monoclonal antibodies in children with atopic dermatitis]. Minerva Pediatr 1985; 37:113-6. [PMID: 3160921] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [MESH Headings] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/04/2023]
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Evaluation of reproterol's effectiveness in preventing exercise-induced bronchospasm in children. J Int Med Res 1985; 13:19-23. [PMID: 2858421 DOI: 10.1177/030006058501300103] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/03/2023] Open
Abstract
The authors have evaluated the effectiveness of the protection of a new beta 2-adrenergic compound, reproterol, against broncho-constriction induced by physical exercise in a group of individuals of paediatric age sensitive to broncho-stimulation. This study has been carried out comparing reproterol with salbutamol, using placebo as a control, following a randomized single-blind crossover trial. The provocation test has been performed following the instructions of the Italian Society of Paediatrics. The drugs have been administered in the oral liquid form at the dose of 0.28 mg/kg and 0.1 mg/kg of reproterol and salbutamol, respectively. The two substances have shown a similar preventive effectiveness in controlling exercise-induced asthma up to 2 hours from administration with reproterol having a stronger action at the beginning of the observation.
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[Kawasaki's syndrome: description of 4 cases]. LA PEDIATRIA MEDICA E CHIRURGICA 1984; 6:521-7. [PMID: 6533599] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/20/2023] Open
Abstract
In this study we present four cases of Kawasaki syndrome; in two of them were present some particular aspects, besides the characteristic signs of the lymphonodal-mucocutaneous syndrome. One little girl showed, during the acute phase of the disease, paralysis of facial nerve, without other signs of neurological involvement; in the second patient, the outcome of the syndrome was quite atypical, because of an osteoarticular involvement; we also observed the presence of immature white blood cells in the peripheral blood. Three of the four cases were treated with acetyl-salicylic acid for almost one year, two of them were also treated with dypiridamol. A four years follow-up, after the acute phase, demonstrated a complete recovery, a normal clinical status and no damage of the cardiocirculatory system.
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[Study of somatosensory evoked potentials in full-term and premature neonates]. LA PEDIATRIA MEDICA E CHIRURGICA 1984; 6:269-72. [PMID: 6531250] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/20/2023] Open
Abstract
The electrophysiological maturation of both peripheral and 'central' (spinal + superspinal) nervous fibers belonging to peroneal and medial nerves was evaluated within the 1st month of extrauterine life. Thirty-five newborns with different gestational ages (15 FT, 20 PT), have been examined through the SEP technique during percutaneous stimulation of median (wrist and index finger) and peroneal (popliteal fossa) nerves. Recording electrodes were placed at Erb's point, lumbar and cervical spine, scalp sites corresponding to the sensory areas for upper and lower limb. Peripheral conduction velocities were correlated with chronological ages but they did not correlate neither with gestational ages nor with birth weightes. Central conduction velocities correlated with gestational ages. The role of maturation was faster for the former than for the latter.
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[Pharmacological prevention of exercise-induced bronchospasm: review of the literature and trial of disodium cromoglycate, fenoterol and ipratropium bromide in a pediatric population]. LA PEDIATRIA MEDICA E CHIRURGICA 1983; 5:501-9. [PMID: 6152334] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/18/2023] Open
Abstract
Exercise-induced bronchospasm (EIB) is an instrumentally-measurable paraphysiologic phenomenon, related to bronchial hyperreactivity in asthmatic children. Therefore EIB is very useful to evaluate airways hyperreactivity and pharmacological treatment in asthmatic child. We have evaluate EIB inhibition and bronchodilator effect of three drugs: Disodiumcromoglycate (DSCG), Fenoterol (F), Ipratropium Bromide (IB), in a group of 27 asymptomatic and therapy-free asthmatic children. The bronchial provocation test was performed by physical exercise (free-running for six minutes) according to criteria stated by Paediatric Bronchopneumology Group of S.I.P. Therefore we have analysed the most recent studies to correlate our results with other's data: our study confirm DSCG and Beta-adrenergic drugs effectiveness; theophylline has a similar validity, but is less useful in clinical practice; anticholinergic drugs and corticosteroids seem less valid; the new drugs (Ketotifen, alpha-blockers and calcium antagonists) need further controlled studies.
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[Physical exercise-induced bronchospasm in asthmatic children. Clinical usefulness of the specific free-running bronchial provocation test]. LA PEDIATRIA MEDICA E CHIRURGICA 1983; 5:365-70. [PMID: 6544417] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 04/05/2023] Open
Abstract
Exercise-induced bronchospasm (E.I.B.) is frequently observed in children. Here are reported the correlation between E.I.B. and some clinical-anamnestical parameters found in a group of thirty-eight asthmatic children examined by exercise. The aspecific bronchial provocation test was performed with six minutes free-running. The exercise-induced bronchospasm was estimated by bronchial obstruction index (b.o.i.). All the children were tested at 4 p.m., out of attacks, without clinical signs of airway obstruction, with basal pick-flow rate (PEFR) at least 80% of predicted. We have looked for the possible correlations between E.I.B. and the following parameters: sex, exercise-induced asthma, house heating, season, period of clinical remission, length of the disease and number of attacks per year. These results indicate that bronchial provocation test with free-running is useful in asthmatic children to objectify the bronchial hyperreactivity and to follow-up the course of the disease.
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[Bronchiolitis: new pathogenetic aspects and personal cases]. LA PEDIATRIA MEDICA E CHIRURGICA 1982; 4:649-56. [PMID: 6927416] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/22/2023] Open
Abstract
The etiological, epidemiological and pathogenetical features of bronchiolitis and some clinical and biochemical data concerning seventy nine cases were discussed. It has been underlined the possible pathogenetical role of immunoallergic mechanism (immunoreactions type II, III, IV and VI), and of alterations of humoral immunocompetence (rise of IgM and deficit of IgA). Moreover it has been pointed out that hereditary, socioeconomical and environmental factors could play an important role in determining the seriousness of the clinical picture. The relationship between bronchiolitis and the respiratory diseases of the following years have been examinated.
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[Iron deficiency in children from the Abbruzzi. Preliminary studies]. BOLLETTINO DELLA SOCIETA ITALIANA DI BIOLOGIA SPERIMENTALE 1977; 53:1922-8. [PMID: 606287] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 12/23/2022]
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