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Biomedical subjects

E Eber

Publications and source records attributed to E Eber.

At least 19 recordsLinked to original sources
PubMed2004

Arthralgia and digital clubbing in a child: hypertrophic osteoarthropathy with inflammatory pseudotumour of the lung.

Arthralgia in childhood is an unspecific symptom. One rare cause of arthralgia is hypertrophic osteoarthropathy associated with digital clubbing. We present a child where hypertrophic osteoarthropathy led to the rare diagnosis of an inflammatory pseudotumour of the lung. In a 12-year-old girl with arthralgia and digital clubbing, a chest radiograph disclosed a large round mass in the right upper lobe, and the following chest computed tomography scan showed a large solid homogenous, round, well marginated lesion with little contrast enhancement. A lobectomy of the right upper lobe was performed, and histological examination showed an inflammatory pseudotumour. The postoperative course was without problems: arthralgia and digital clubbing disappeared.

Arthralgia↗
PubMed2003

Partial splenectomy in cystic fibrosis patients with hypersplenism.

We report three cystic fibrosis (CF) patients with hypersplenism who underwent partial splenectomy. The postoperative course was uneventful in two patients; one patient developed a complication necessitating resection of the rest of the spleen. Haematological parameters improved and oesophageal varices regressed in all patients. On follow up, one patient showed a normal spleen, the other a normally functioning accessory spleen; the third patient again developed splenomegaly with hypersplenism. Partial splenectomy is a promising therapeutic option for CF patients with hypersplenism.

Adolescent↗
PubMed2003

Flexible endoscopy of paediatric airways.

Paediatric fibreoptic bronchoscopy is used for ever wider indications, and increasingly used in many contexts, including paediatric and neonatal intensive care. The report of this Task Force contains an overview on the current applications of paediatric bronchoscopy. The report discusses the facilities and equipment needed for the procedure, including the newly developed bronchoscopes which are allowing intervention even in very small children. The indications of both flexible and rigid bronchoscopes in the context of newer and smaller flexible endoscopic equipment are also considered. The care of the instruments, including disinfection and sterilisation, is fully documented. Patient management is described, including the relative merits of conscious sedation and general anaesthesia, as well as special settings for the procedure, including the needs in intensive care. Special procedures, increasingly performed bronchoscopically are described. These include bronchoalveolar lavage, endobronchial and transbronchial biopsy, laser therapy, bronchography, and endoscopic intubation and drug therapy. Finally, neonatal bronchoscopy is discussed, and the ethics of bronchoscopic procedures, including bronchoscopic research in children. Advances in instrumentation, and also improved anaesthetic techniques, allow fibreoptic bronchoscopy to be safely performed in even very small, sick infants, provided proper precautions are taken.

Airway Obstruction↗
PubMed2002

Laser acupuncture in children and adolescents with exercise induced asthma.

BACKGROUND: Laser acupuncture, a painless technique, is a widely used alternative treatment method for childhood asthma, although its efficacy has not been proved in controlled clinical studies. METHODS: A double blind, placebo controlled, crossover study was performed to investigate the possible protective effect of a single laser acupuncture treatment on cold dry air hyperventilation induced bronchoconstriction in 44 children and adolescents of mean age 11.9 years (range 7.5-16.7) with exercise induced asthma. Laser acupuncture was performed on real and placebo points in random order on two consecutive days. Lung function was measured before laser acupuncture, immediately after laser acupuncture (just before cold dry air challenge (CACh)), and 3 and 15 minutes after CACh. CACh consisted of a 4 minute isocapnic hyperventilation of -10 degrees C absolute dry air. RESULTS: Comparison of real acupuncture with placebo acupuncture showed no significant differences in the mean maximum CACh induced decrease in forced expiratory volume in 1 second (27.2 (18.2)% v 23.8 (16.2)%) and maximal expiratory flow at 25% remaining vital capacity (51.6 (20.8)% v 44.4 (22.3)%). CONCLUSIONS: A single laser acupuncture treatment offers no protection against exercise induced bronchoconstriction in paediatric and adolescent patients.

Acupuncture Therapy↗
PubMed2002

Effects of nedocromil and salbutamol on airway reactivity in children with asthma.

Nedocromil and salbutamol are effective drugs in preventing exercise-induced asthma (EIA). The aim of this study was to compare the protective effects of both drugs and a combination of both drugs against cold dry air-induced bronchoconstriction, using cold dry air challenges (CACh) as a surrogate for exercise. Twenty-five atopic children (mean age 13.7, range 8-18 yrs) with EIA participated in the study. Lung function tests were performed before medication, 30 min after medication and just before CACh, and 3 and 15 min after the challenge on four consecutive days. CACh consisted of a 4-min isocapnic hyperpnoea of -10 degrees C, absolutely dry air. Treatment consisted of nedocromil (two puffs of 2 mg) plus placebo, salbutamol (two puffs of 100 microg) plus placebo, the combination of both drugs, and placebo alone, in a random order. Both active drugs were significantly more protective than placebo and the combination showed an additive effect. Mean maximum postchallenge decrease in forced expiratory volume in one second after placebo was 27+/-8.1%, 12+/-9.5% after nedocromil, 8+/-10.4% after salbutamol, and 4.5+/-6.71% after the combination of both drugs, respectively. These results suggest that both drugs protect against exercise-induced asthma. Although not as effective as salbutamol and combined medication, nedocromil can give sufficient protection for many patients.

Adolescent↗
PubMed2001

Clinical and histopathological findings in two Turkish children with follicular bronchiolitis.

UNLABELLED: We report on two Turkish children who presented with progressive airway obstruction. Open lung biopsy revealed follicular bronchiolitis. The children were treated with systemic steroids and various topical medications. Whereas the respiratory situation of patient 1 required immunosuppressive therapy, the condition of patient 2 stabilised without systemic medication. CONCLUSION: Diagnosis of follicular bronchiolitis should be considered when children present with recurrent respiratory tract infections, progressive dyspnoea, and chronic bronchial obstruction. Children in whom follicular bronchiolitis is suspected should undergo open lung biopsy for confirmation of diagnosis.

Biopsy↗
PubMed2000

Recurrent lower respiratory tract infections in a 14-year-old boy with tracheobronchomegaly (Mounier-Kuhn syndrome).

Tracheobronchomegaly (Mounier-Kuhn syndrome) is characterized by dilatation of the central airways, tracheobronchial outpouchings, and chronic tracheobronchitis. Most cases are diagnosed in adulthood. We report the clinical, radiographic, and bronchoscopic findings in a 14-year-old boy with tracheobronchomegaly, ptosis of the right eyelid, and redundant skin and mucosa of the upper lip, who presented with a 2-year history of recurrent lower respiratory tract infections. Pediatricians should be aware of the possibility that tracheobronchomegaly may cause clinical symptoms in childhood and adolescence. Pediatr Pulmonol. 2000; 29: 476-479.

Adolescent↗
PubMed2000

Disseminated cytomegalovirus infection as initial manifestation of hyper-IgM syndrome in a 15-month-old boy.

UNLABELLED: We report on the clinical, laboratory, and molecular genetic findings in a 15-month-old boy who initially presented with disseminated cytomegalovirus and concomitant para-influenza virus infection. Hyper-IgM syndrome, suspected on clinical grounds, was confirmed by immunological investigations. In addition, a previously unreported potentially disease-causing mutation in the CD40 ligand gene was detected in this patient. CONCLUSION: The present case illustrates that disseminated cytomegalovirus infection with atypical clinical features should be included in the spectrum of the hyper-IgM syndrome.

Cytomegalovirus Infections↗
PubMed2000

Chronic interstitial lung disease due to Epstein-Barr virus infection in two infants.

This case study reports on two infants, 5 and 6 months of age, respectively, with chronic interstitial lung disease who presented with failure to thrive, tachypnoea, rales and mild hypoxaemia. Epstein-Barr virus (EBV) was detected by in situ hybridization in lung biopsy specimens and by EBV-deoxyribonucleic acid-polymerase chain reaction (PCR) in bronchoalveolar lavage (BAL) fluid in one patient and by in situ hybridization and PCR analysis in BAL fluid in the second patient. There was serological evidence of immunoglobulin G antibodies to EBV capsid antigen by indirect immunofluorescence in both patients. After 7 months of respiratory symptoms one patient was successfully treated with a 10 day course of intravenous ganciclovir followed by oral acyclovir for 20 days. The other patient became symptom free after 3.5 months of respiratory symptoms, without any specific antiviral medication. During a follow-up of 2 and 1.5 yrs, respectively, both infants remained symptom free and showed normal physical development.

Antiviral Agents↗
PubMed2000

Assessment of bronchodilator responsiveness in infants with bronchiolitis. A comparison of the tidal and the raised volume rapid thoracoabdominal compression technique.

Whether bronchodilators should be used for the treatment of infants with bronchiolitis is subject to debate, partly because of the low sensitivity of the methods for assessing lung function changes in infants. In the present study, we compared the recently introduced raised volume (RVRTC) with the conventional end-tidal rapid thoracoabdominal compression (ETRTC) technique in infants with acute viral bronchiolitis. In 17 infants lung function was assessed by both methods, at baseline values and after salbutamol inhalation. Forced expiratory volumes (FEV(0.5), FEV(0.75), FEV(1.0)) were used for the quantification of RVRTC measurement, and maximal expiratory flow at functional residual capacity (Vmax (FRC)) for ETRTC measurements. A significant individual change was defined by a mean postbronchodilator value that differed from baseline value by more than twice the within-subject coefficient of variation (CV). Group mean intrasubject CVs ranged from 4.7% to 5.3% for FEV parameters; it was 14.0% for Vmax (FRC). For the group, post-bronchodilator measurements did not differ significantly from baseline measurements. For the majority of infants, however, the within-subject comparison of responses revealed substantial differences between both techniques; while no infant demonstrated a significant increase in Vmax (FRC), eight (47%) infants responded with significantly improved timed volumes. The RVRTC technique provides the investigator with a more sensitive diagnostic tool for documenting the effectiveness of therapeutic interventions on an individual basis. Furthermore, the findings of the present study provide a rationale for the application of bronchodilators in a subgroup of infants with acute bronchiolitis.

Administration, Inhalation↗
PubMed1999

Reproducibility of forced expiratory flow and volume measurements in infants with bronchiolitis.

The end-tidal rapid thoracoabdominal compression (ETRTC) technique is an established method for lung function testing in infancy. Previous work in healthy infants, however, has shown that measurements with the newly developed raised volume rapid thoracoabdominal compression (RVRTC) technique are more reproducible than those with the ETRTC technique. So far, reproducibility of the two techniques has not been compared in infants with acute airway disease. Twenty-three infants with acute viral bronchiolitis underwent lung function assessment with both the ETRTC and the RVRTC technique. A series of 8-10 measurements with each technique was done in randomized order. Forced expired volumes at 0.5, 0.75, and 1 sec after chest compression (FEV(0.5), FEV(0.75), and FEV(1.0)) were measured with the RVRTC technique; maximum expiratory flow at functional residual capacity (V'(maxFRC)) was measured with the ETRTC technique. Group mean intrasubject coefficients of variation (CV) were 4.84% for FEV(0.5), 5.01% for FEV(0.75), 5.43% for FEV(1. 0), and 13.79% for V'(maxFRC), respectively. Differences between FEV parameters were statistically insignificant, whereas the difference between each FEV parameter and V'(maxFRC) was highly significant (P < 0.001). In infants with acute viral bronchiolitis, RVRTC measurements have significantly less intraindividual variability than flow rates assessed with the conventional ETRTC technique. This finding provides the basis for assessing disease course and effects of therapeutic interventions on an individual basis.

Analysis of Variance↗
PubMed1999

Effect of specific immunotherapy with house dust mite extract on the bronchial responsiveness of paediatric asthma patients.

BACKGROUND AND OBJECTIVE: Allergic asthma is common in children, and house dust mite (HDM) is an important source of perennial allergens. Bronchial hyperresponsiveness is a functional hallmark of asthma. Specific immunotherapy (SIT) with HDM extracts were shown to decrease symptoms, but its effect on bronchial responsiveness, as measured by non-pharmacological challenges, has not been evaluated. METHODS: Twenty-six paediatric asthma patients allergic to HDM participated in this study. Fourteen patients received SIT with a HDM extract (Alavac, Bencard) for 2 years, and 12 served as controls. Bronchial responsiveness was assessed non-pharmacologically by cold dry air challenge (CACh) before and 3, 6, 12 and 24 months after SIT, and 12 months after termination of SIT. RESULTS: After 24 months, the SIT group showed a statistically significant reduction of the mean CACh-induced changes of both forced expiratory volume in one second (-21.8+/-2.7% vs. -13.7+/-2.4%; P = 0.03) and maximal expiratory flow at 25% remaining vital capacity (-48.9+/-4.9% vs. -27.9+/-6.2%; P = 0.01). In contrast, no significant changes of bronchial responsiveness were observed in the control group. In the SIT group more patients lost their bronchial hyperresponsiveness than in the control group (6/14 vs. 1/12; P<0.05). One year after terminating SIT, the treatment group showed a tendency towards returning bronchial hyperresponsiveness. CONCLUSION: These results demonstrate that during 2 years of SIT there was a reduction of bronchial hyperresponsiveness in HDM-allergic paediatric asthma patients.

Adolescent↗