View clinical trials related to Respiratory Sounds.
Filter by:Almost 50% of all children have at least 1 episode of noisy breathing before the age of 2 years and almost 25% of these children have more episodes of noisy breathing. The lack of an objective technique for diagnosing noisy breathing children often leads to overrated diagnosis of "wheezing", whereas there may be other noisy breathing phenotypes, like "rattling", that don't favor from the same therapeutic treatment. Presumably, different underlying pathophysiological mechanisms are involved with different biomarker profiles characteristic for different phenotypes. The goal of this study is to optimize the diagnosis of noisy breathing infants and toddlers. Children will be followed for a treatment period of 6 weeks and will visit the paediatrician 3 times (week 0, 3 and 6). During the consultations breath sound analysis will be performed and a breath sample and a nasal mucus will be collected to analyse biomarker profiles. Both methods for diagnosing noisy breathing infants are non-invasive and will be compared to the standard procedure of the paediatrician which consists of auscultation and palpation of the chest. An objective and non-invasive method for diagnosing noisy breathing infants and toddler will pave the way for more cost-effective and personalized prescription of therapies which will increase the quality of life of children with noisy breathing.
The investigators want to know why some babies wheeze and some of these go on to develop asthma. The investigators are going to find out if babies who develop wheeze and asthma have abnormal airway lining cells (taken from the nose) when they are born and what happens to these cells as they get older. The study will last three years. Parents will be asked to fill in a monthly health questionnaire. The tests on the babies are all in routine clinical use: a urine sample, a blood test from a heel or finger prick, swabs from the nose and throat to look at the microbiome, and a brushing of cells from the inside of the nose. These tests will be performed at 5-10 days old, and at one and three years. Parents will be asked to fill in online monthly health questionnaire. Some babies will have the swabs repeated at 3 and 6 months, and those who wheeze in the first 3 years of life, samples during the illness and after recovery.
The incidence of physician confirmed asthma is approximately 4-7% in children. An additional 5% of children suffer from infection-related bronchiolitis and obstructive bronchitis. Of all patient visits at pediatric emergency rooms, 1 out of 10 is due to breathing difficulties with a great proportion leading to hospitalization. Salbutamol is the most commonly used drug in the treatment in acute bronchial obstruction. A vast majority of children require a spacer device (valved holding chamber, VHC) for the delivery of the drug aerosol. There are several different types of VHC on the market, but no recommendations on the device selection have been published. Both in in vivo and in vitro studies significant differences between different spacer devices have been reported. The study compares two different VHCs in the treatment of acute breathing difficulties in children. The end-points in this randomized physician-blinded study are symptom relief, rate of hospitalization, symptom recurrence, treatment compliance, and adverse events. The study will be conducted in pediatric emergency rooms (ER) in three university hospitals in Finland and one private clinic that routinely treat this type of patients. The treatment is given according to national treatment guidelines and no blood samples are drawn for study purposes. Both of the VHCs used in this study have been approved for use in clinical practice.
The overall objective of the study is to determine the efficacy of corticosteroids in preventing recurrent wheezing and asthma in high-risk, first-time severe wheezing children with rhinovirus infection, stratified by rhinovirus genome load. The secondary objectives are to determine duration and severity of each acute episode with acute expiratory breathing difficulty, the number of episodes with acute expiratory breathing difficulty, degree of pulmonary hyperreactivity and quality of life within 24 months after study entry.
The Swiss Paediatric Airway Cohort (SPAC) is a national, prospective clinical cohort of children and adolescents who visit physicians in Switzerland for recurrent wheeze, cough, and exercise- or sleep-related respiratory problems. SPAC aims to answer important questions on clinical phenotypes, prognosis, diagnosis and treatment. SPAC is part of routine care, and only clinically indicated investigations are done. The comprehensive baseline assessment includes a detailed questionnaire to families, plus test results, diagnoses and treatments from hospital records. Follow-up is via monthly questionnaires the first 12 months and thereafter annual questionnaires to families, and data from follow-up visits. Currently, 4344 patients from 10 clinics and hospitals in Switzerland (Aarau, Basel, Bern, Chur, Horgen, Lausanne, Luzern, St. Gallen, Worb, Zurich) have been enrolled. SPAC provides real-life data on children visiting the Swiss health care system for common respiratory problems. It will provide a research platform for health services research, and for nested clinical and transitional studies. Publications and plain language summaries are listed on the study website: https://www.spac-study.ch/publikationen/
In a randomized clinical trial (RCT) published in JAMA, the investigators have provided evidence that vitamin C supplementation (500 mg daily during pregnancy) ameliorates the effects of maternal smoking during pregnancy on offspring lung function and subsequent incidence of wheeze by 48% through 1 year of age. The investigators are currently completing a second RCT of vitamin C supplementation in pregnant smokers with more robust measures of pulmonary outcomes. The purpose of this ECHO application is to combine these 2 focused, interventional cohorts to allow critical longitudinal follow-up of respiratory outcomes in these children including the study of pulmonary function test (PFT) trajectories and incidence of recurrent wheeze/asthma from infancy through early adolescence in offspring of pregnant smokers randomized to vitamin C versus placebo.
The overall aims of this protocol are to determine whether prenatal supplementation with vitamin C to pregnant smokers can improve pulmonary function and decrease wheeze at 5 years of age in their offspring. This is a continuation of the VCSIP trial, to follow the offspring through 5 years of age. The hypothesis for this protocol is an extension of the VCSIP trial that supplemental vitamin C in pregnant smokers can significantly improve their children's PFTs and decrease the incidence of wheeze.
The present study was aimed at investigating the efficacy of nebulizing Budesonide sin comparison with intravenous Dexamethasone before extubation in prevention of post-extubation complications amongst patients admitted in intensive care unit. In this double-blind randomized clinical trial study, 90 patients (age between 18 to 65) who are intubated (at least for 48 hours) and now are ready for extubation will be enrolled in the study after obtaining a written informed consent from their parents or guardians. The investigators divide our patients randomly into two equal groups. -In the budesonide group patients underwent a therapy with nebulizing Budesonide at a dose of 1 mg diluted in 4 cc of sterile water for 20 minutes, one hour preceding extubation. After extubation patients received nebulizing budesonide via oxygen mask at the same dose every 12 hours for 48 h.i In dexamethasone group intravenous dexamethasone was administered to patient at a dose of 0.15 mg/kg before extubation. After extubation, the administration of intravenous Dexamethasone continued at the same dose every 12 h. for 48 h. Another anesthesiologist who is unaware about kind of medication, will evaluate the patients for severity of stridor. We will record the vital sings and grade of stridor every 6 hour. Respiratory rate (RR), heart rate (HR), blood pressure (BP) and oxygen saturation (SPO2) were recorded for each patient immediately before aerosol administration (time 0) and at 30 and 60 min; and 2,4,8,12,24,36 and 48 hrs. After extubation then the presence of stridor (heard with the aid of stethoscope) was recorded within 48 hr of extubation
The aim of this study is evaluation of the effect of administration nebulized budesonide after extubation. The specific objectives of our study are to determine whether multiple doses of nebulized budesonide are effective to reduce or prevent postextubation edema. In this double-blind randomized clinical trial study, 70 patients (age between 18 to 65) who are intubated (at least for 48 hours) and now are ready for extubation will be enrolled in the study after obtaining a written informed consent from their parents or guardians. The investigators divide our patients randomly into two equal groups. -Patients who are in budesonide group will receive nebulized budesonide (1 mg-every 12 hours; n=35) and patients in placebo group receive placebo (normal saline; n=35) until 48 hours after extubation. If patient have extubation criteria the investigators will extubate him and for 24 hours after, another anesthesiologist who is unaware about kind of medication, will evaluate the patients for severity of stridor. We will record the vital sings and grade of stridor every 6 hour. Respiratory rate (RR), heart rate (HR), blood pressure (BP) and oxygen saturation (SPO2) were recorded for each patient immediately before aerosol administration (time 0) and at 30 and 60 min; and 2,4,8,12,24,36 and 48 hrs. After extubation then the presence of stridor (heard with the aid of stethoscope) was recorded within 48 hr of extubation.
Karmel Sonix Ltd has developed the Personal WheezoMeter a hand-held pulmonary sounds analyzer that utilizes contact sensors to acquire, amplify, filter, record and quantify the presence of wheezing. When used to monitor conditions such as asthma, this device should be used under the direction of a physician or licensed healthcare professional. The device is intended for use with pediatric and adult patients in both home and clinical settings. The purpose of the study is to determine whether Wz% and change in Wz% correlate with symptoms and change in symptoms at least as well as FEV1 and change in FEV1.0. Additional information to be obtained from the study will be to determine whether there is a symptom threshold at which a patient seeks rescue medications and if so, to determine the value of Wz% and FEV1.0 at this point (Wz%, FEV1.0 thresholds). The study will also provide information on the within patient and whole group correlations between Wz% and FEV.