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| Name | Class |
|---|---|
| Hospital Padre Hurtado | OTHER |
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The purpose of this research is to determine the effect of prolonged slow expiration techniques, provoked coughing and standard therapy compared to chest wall manual vibration and standard therapy in infants between 0 and 12 months old with confirmed diagnosis of acute bronchiolitis SRV (+). The effect will be measured on respiratory insufficiency and use of supplementary oxygen.
Bronchiolitis is the main cause of hospital admission for infants under 1 year old in Chile. Currently, approximately 4800 children are admitted to the hospital during the cold season, affecting the health services' effectiveness. The most frequent causal agent is the Respiratory Syncytial Virus (RSV). To date, there is no specific treatment for this disease and only support measures are recommended.
Chest physiotherapy is a support measure that improves the mucociliary clearance and reduces obstruction of the airways.
A clinical trial on the effect of prolonged slow expiration (PSE), chest wall vibrations, and provoked coughing as treatment for bronchiolitis in infants admitted to the hospital found that the subgroup with RSV required oxygen for 10 hours less than the control group. Gomes and Postiaux (2012) reported a 50% decrease on respiratory distress measured by the Wang score when PSE and suction were compared to traditional chest physiotherapy techniques in patients with bronchiolitis RSV(+).
Currently recommendations in Chile suggest chest physiotherapy for outpatients with bronchiolitis, but the guideline does not refer to the case of inpatients. It is proposed to carry out a randomized controlled trial in infants under one year old. The active group will receive standard therapy, PSE, and provoked coughing, while the control group will receive standard therapy and manual chest wall vibrations. The effectiveness of chest physiotherapy will be measured though a clinical score of respiratory distress, hours using supplementary oxygen, vital signs before and after the intervention in both groups during hospital stay. The main outcome is clinical severity score 48 hours after admission.
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| Label | Type | Description | Intervention Names |
|---|---|---|---|
| Prolonged slow expiration+provoked coughing+ST | Experimental | Prolonged slow expiration+provoked coughing+Standard Therapy |
|
| Manual chest wall vibration+ST | Active Comparator | Manual chest wall vibration+Standard Therapy |
|
| Name | Type | Description | Arm Group Labels | Other Names |
|---|---|---|---|---|
| Prolonged slow expiration+provoked coughing | Other | Five cycles of prolonged slow expiration and provoked coughing, which will be repeated five times. During the prolonged slow expiration, the infant will be in supine while the therapist applies pressure at the same time on the rib cage and abdomen during spontaneous expiration. The pressure is applied slowly during two o three respiratory cycles, only during the final phase of expiration. |
| Measure | Description | Time Frame |
|---|---|---|
| Clinical score of respiratory distress | Wang clinical severity score | 48 hours after baseline measurement |
| Measure | Description | Time Frame |
|---|---|---|
| Hours of supplementary oxygen | 48 hours after baseline measurement | |
| Peripheral blood oxygen level | Oxygen level or saturation is measured with a pulse oximeter | Baseline, 30 min, 60 min, 120 min,12 hours, 24 hours, 36 hours, and 48 hours. |
| Measure | Description | Time Frame |
|---|---|---|
| Transfer to high complexity unit | Categorical variable. Record of number of patients requiring treatment at a higher complexity unit (i.e. ICU) | 96 hours |
Inclusion Criteria:
Exclusion Criteria:
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| Name | Affiliation | Role |
|---|---|---|
| Patricio Gomolán | Universidad del Desarrollo | Principal Investigator |
| Facility | Status | City | State | ZIP | Country | Contacts |
|---|---|---|---|---|---|---|
| Hospital Padre Hurtado | Santiago | Santiago Metropolitan | Chile |
| PubMed Identifier | Type | Citation | Retractions |
|---|---|---|---|
| 37010196 | Derived | Roque-Figuls M, Gine-Garriga M, Granados Rugeles C, Perrotta C, Vilaro J. Chest physiotherapy for acute bronchiolitis in paediatric patients between 0 and 24 months old. Cochrane Database Syst Rev. 2023 Apr 3;4(4):CD004873. doi: 10.1002/14651858.CD004873.pub6. |
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Data will be made available, If journal where report will be published requires to give access to individual patient data
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| ID | Term |
|---|---|
| D001990 | Bronchiolitis, Viral |
| ID | Term |
|---|---|
| D001988 | Bronchiolitis |
| D001991 | Bronchitis |
| D012141 | Respiratory Tract Infections |
| D007239 | Infections |
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| ID | Term |
|---|---|
| D059039 | Standard of Care |
| ID | Term |
|---|---|
| D019984 | Quality Indicators, Health Care |
| D011787 | Quality of Health Care |
| D006298 | Health Services Administration |
| D017530 | Health Care Quality, Access, and Evaluation |
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| Manual chest wall vibration | Other | Five cycles of manual chest wall vibrations during 20 seconds each, being repeated five times. The manual chest wall vibrations are oscillatory maneuvers applied on the thorax to improve mucociliary clearance of bronchial mucus and ease its removal. |
|
| Standard Therapy | Other | Standard therapy (ST): nasopharyngeal suction, oxygen therapy, fluids administration, 0.5% adrenaline nebulization, and chest physiotherapy. |
|
| Heart rate | Baseline, 30 min, 60 min, 120 min,12 hours, 24 hours, 36 hours, and 48 hours. |
| Respiratory rate | Wang clinical severity score | Baseline, 30 min, 60 min, 120 min,12 hours, 24 hours, 36 hours, and 48 hours. |
| wheezing | Wang clinical severity score | Baseline, 30 min, 60 min, 120 min,12 hours, 24 hours, 36 hours, and 48 hours. |
| Rib cage retractions | Wang clinical severity score | Baseline, 30 min, 60 min, 120 min,12 hours, 24 hours, 36 hours, and 48 hours. |
| General clinical condition | Wang clinical severity score | Baseline, 30 min, 60 min, 120 min,12 hours, 24 hours, 36 hours, and 48 hours. |
| D014777 |
| Virus Diseases |
| D001982 | Bronchial Diseases |
| D012140 | Respiratory Tract Diseases |
| D008173 | Lung Diseases, Obstructive |
| D008171 | Lung Diseases |