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Background: Omalizumab is a successfully implemented supplementary therapy for improving asthma control in children aged 6 years and older with severe persistent allergic asthma. The dosage of omalizumab depends on body weight and IgE level, yet no parameter has been established to guide dosage changes during therapy. Clinical studies in patients with allergic asthma or allergic rhinitis revealed a clinically relevant improvement by using omalizumab leading to concentrations of free serum IgE reported to be lower than 50 ng/ml. Therefore, only the question concerning the concentrations of free IgE used in a therapy with omalizumab is regarded of clinical importance, while total IgE (free and omalizumab-bound IgE) increases during treatment., Patients and Methods: Ten patients, 8 to 17 years of age, received therapy with omalizumab due to severe allergic asthma. In addition, the patients had pronounced rhinoconjunctivitis, food allergy, insect sting allergy, and/or neurodermitis. The total IgE in the serum was measured in the patients 3 - 6 months before each omalizumab injection as a potential progress parameter (Sandwich-Immunoassay ADVIA Centaur)., Results: Six months after beginning of the therapy with omalizumab, a significant decrease of the total IgE concentration was found, in comparison to the baseline values (p < 0.003). In all patients the tolerability of omalizumab was very good: there was a reduction in the frequency of the asthma exacerbations and rescue medications. All patients reported a clearly improved quality of life., Conclusions: A general increase in IgE was not observed in any of the children we treated with omalizumab. Apart from the development of routine assays to determine free serum IgE levels, the significance of the total serum IgE as a suitable control of an omalizumab therapy should be further investigated in controlled studies with regard to sensitivity and specificity. In order to only administer the lowest necessary dose of omalizumab especially in children and adolescents, the establishment of laboratory parameters (free IgE and/or total IgE) to adequately monitor the therapy is urgently needed. Patients undergoing an omalizumab therapy require medical supervision at close intervals., (© Dustri-Verlag Dr. K. Feistle.)

Renal abscesses are rare in childhood. The diagnosis is often complicated by non-specific symptoms and the typical signs of urinary tract infections are frequently absent. The currently available imaging methods are necessary and helpful for a differentiated therapeutic approach; nevertheless, cases are continuously being found in which a renal abscess is only diagnosed intraoperatively. In most patients a combined intravenous therapy including an antibiotic which is effective against staphylococci is sufficient. The therapy is supported if necessary by percutaneous abscess drainage. Open revision or even nephrectomy is rarely required.

Background and Methods: The effectiveness and practicality of the "Luftikids" (www.luftikids.de) structured, internet-based asthma refresher course was evaluated in a pilot study with 53 patients (ages 8 - 14 years). All patients had previously participated in either an inpatient or outpatient asthma education program. This prospective study examined the effect of a 4-week refresher course on parameters such as asthma symptoms (coughing, dyspnea), the number of unscheduled doctor's visits, use of on-demand medications, number of days absent from school, and asthma monitoring using the Asthma Control Questionnaire (ACQ) and lung function tests. The duration of program use and the number of logins was used to investigate acceptance of the game format. Data were collected at the beginning of the study and at 4 - 6 months after the end of the online refresher course., Results: Significant changes were shown with regard to the decrease in intensity of asthma symptoms such as coughing (p = 0.001) and dyspnea (p = 0.007), reduction in the number of unscheduled doctor's visits (p = 0.005), the use of on-demand medications (4.0 ± 6.5 vs. 1.5 ± 4.9, p = < 0.002), and the number of days absent from school (1.2 ± 2.0 vs. 0.4 ± 1.2, p = 0.003). No changes in lung function parameters were observed. The "Luftikids" program was used for an average of 302.5 ± 210.9 minutes, and the number of logins was 14 ± 9. From their self-evaluations, the children and adolescents derived "much" to "very much" benefit. Only 7.5% reported no effect., Conclusions: Participation in the "Luftikids" internet-based asthma refresher course resulted in fewer asthma symptoms, a decrease in unscheduled doctor's visits, reduction in the use of on-demand medications, decrease in the number of days absent from school, and improved asthma knowledge. No effect in lung function could be demonstrated. The results support the effectiveness and good acceptance of an outpatient, internet-based asthma refresher course. Young asthma patients in particular can succeed with and be motivated by this form of refresher course., (© Georg Thieme Verlag KG Stuttgart · New York.)

When treating children or adolescents with chronic disease one should take the specific age-related features of the course of disease, differential diagnosis, and the psychosocial environment, as well as the avoidance of complications and side effects of therapy into account. These may impair the patient's physical and psychosocial development and quality of life in the context of family, school and occupational life. Continued care of growing children from the start of the disease when they are infants to the point when they assume personal responsibility as adults is one of the major concerns of the pediatrician. This concept requires interdisciplinary cooperation and a large body of personnel which would include training programs, inclusion of family members and in some cases psychosomatic therapy. Given the increasing prevalence of chronic diseases in this age group and their sociopolitical significance it is important to activate preventive potentials in terms of content and structure - by quality assurance - especially to avoid long-term complications. Various care structures are used in Europe to achieve this goal. Asthma is the most common chronic disease in children and adolescents. It influences quality of life as well as the child's personal, educational and occupational development to a significant extent. The special aspects of the treatment of these patients will be addressed to illustrate the therapy of chronic disease., (© Georg Thieme Verlag KG Stuttgart · New York.)

In capnovolumetry, the expiratory CO2 concentration of exhaled air is plotted against the volume and thereby allows to determine functional dead space volumes. This method might offer additional information in lung function testing in children and adolescents with bronchial asthma. We aimed at determining whether a bronchospasmolysis (BSL) effect in the lower airways could also be detected by capnovolumetry as reflected by changes in the functional threshold dead space volumes (VDT). In 47 patients (aged 4-16 years) with a mild persistent bronchial asthma, VDT were determined before and after bronchodilation prior to starting therapy with inhaled steroids and after 6 months of treatment. Additionally, spirometry and body plethysmography were performed in all patients. There were significantly higher VDT values after BSL before and after 6 months of therapy (P<0.0001). VDT values before BSL were tendatively higher after 6 months of therapy compared with baseline values (P=0.07). VDT values correlated with parameters derived from conventional pulmonary function testing, i.e. vital capacity, forced expiratory volume in 1 s (FEV1), and maximum expiratory flow (MEF50). As VDT values particularly reflect the volumes of the lower bronchi this method may provide supplementary information to conventional lung function tests which are based on breathing mechanics. This seems to be especially helpful in situations where body plethysmography is not available or cooperation in forced expiration manoeuvres is insufficient.

Background: The aim was to examine the handling of the recently developed breath actuated dry powder inhaler Auto-Jethaler (PulmoTec GmbH/Höchstädt, launch by Ratiopharm and CT Berlin)., Method: 75 patients suffering from asthma, cystic fibrosis or primary ciliary dysfunction (age: 3 to 34 years; 29 female, 46 male) with mild or moderate bronchial obstruction took part in the study. Lung function testing including body plethysmography was performed to measure bronchial obstruction independent of effort. Peak Inspiratory Flow (PIF) was measured using a Fleisch pneumotachograph equipped with or without a Auto-Jethaler. Instead of the commercially available drug tablet a stainless steal ring device of equivalent resistance, easy to disinfect, was used. Actuation of the rotation mechanism which was triggered by inspiration at an inspiratory flow of about 40 L/min was accompanied by a rattling noise. Aims of the study were to examine, whether the subjects were able to handle the new device, and to measure PIF without and via Auto-Jethaler., Results: Handling of the Auto-Jethaler was found to be easy. All patients managed to reach or surpass the critical value of 40 L/min, even those with mild to moderate bronchial obstruction. PIF without Jethaler was 85 to 599 L/min, via Auto-Jethaler 40 to 215 L/min. PIF was significantly age dependent (p<0.001)., Conclusions: These findings suggest that the Auto-Jethaler will be an appropriate device for drug administration in children older than 3 years provided that they understand the inspiratory breathing manoeuvre.

Wegener's granulomatosis is together with Churg-Strauss syndrome and microscopic polyangiitis a very rare cause of hemoptysis in childhood. We report on a 14 years old girl who developed arthralgia, purpura, glomerulonephritis and a diffuse alveolar haemorrhage with hemoptysis after a short time period of unspecific symptoms.