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Haeberer M, Bruyndonckx R, Polkowska-Kramek A, Torres A, Liang C, Nuttens C, Casas M, Lemme F, Ewnetu WB, Tran TMP, Atwell JE, Diez CM, Gessner BD, Begier E. Estimated Respiratory Syncytial Virus-Related Hospitalizations and Deaths Among Children and Adults in Spain, 2016-2019. Infect Dis Ther 2024; 13:463-480. [PMID: 38319540 DOI: 10.1007/s40121-024-00920-7] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/02/2023] [Accepted: 01/10/2024] [Indexed: 02/07/2024] Open
Abstract
INTRODUCTION Respiratory syncytial virus (RSV) causes a substantial disease burden among infants. In older children and adults, incidence is underestimated due to nonspecific symptoms and limited standard-of-care testing. We aimed to estimate RSV-attributable hospitalizations and deaths in Spain during 2016-2019. METHODS Nationally representative hospitalization and mortality databases were obtained from the Ministry of Health and the National Statistical Office. A quasi-Poisson regression model was fitted to estimate the number of hospitalizations and deaths attributable to RSV as a function of periodic and aperiodic time trends and viral activity, while allowing for potential overdispersion. RESULTS In children, the RSV-attributable respiratory hospitalization incidence was highest among infants aged 0-5 months (3998-5453 cases/100,000 person-years, representing 72% of all respiratory hospitalizations) and decreased with age. In 2019, estimated rates in children 0-5, 6-11, 12-23 months and 6-17 years were approximately 1.3, 1.4, 1.5, and 6.5 times higher than those based on standard-of-care RSV-specific codes. In adults, the RSV-attributable cardiorespiratory hospitalization rate increased with age and was highest among persons ≥ 80 years (1325-1506 cases/100,000, 6.5% of all cardiorespiratory hospitalizations). In 2019, for persons aged 18-49, 50-59, 60-79, and ≥ 80 years, estimated rates were approximately 8, 6, 8, and 16 times higher than those based on standard-of-care RSV-specific codes. The RSV-attributable cardiorespiratory mortality rate was highest among ≥ 80 age group (126-150 deaths/100,000, 3.5-4.1% of all cardiorespiratory deaths), when reported mortality rate ranged between 0 and 0.5/100,000. CONCLUSIONS When accounting for under-ascertainment, estimated RSV-attributable hospitalizations were higher than those reported based on standard-of-care RSV-specific codes in all age groups but particularly among older children and older adults. Like other respiratory viruses, RSV contributes to both respiratory and cardiovascular complications. Efficacious RSV vaccines could have a high public health impact in these age and risk groups.
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Affiliation(s)
| | | | | | | | | | | | - Maribel Casas
- Epidemiology and Pharmacovigilance, P95, Leuven, Belgium
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Martinón-Torres F, Carmo M, Platero L, Drago G, López-Belmonte JL, Bangert M, Díez-Domingo J, Garcés-Sánchez M. Clinical and economic burden of respiratory syncytial virus in Spanish children: the BARI study. BMC Infect Dis 2022; 22:759. [PMID: 36175846 PMCID: PMC9520861 DOI: 10.1186/s12879-022-07745-0] [Citation(s) in RCA: 23] [Impact Index Per Article: 11.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/03/2022] [Accepted: 09/21/2022] [Indexed: 11/10/2022] Open
Abstract
Respiratory syncytial virus (RSV) infection is a major cause of morbidity in children. However, its disease burden remains poorly understood, particularly outside of the hospital setting. Our study aimed to estimate the burden of medically attended acute lower respiratory infection (ALRI) cases potentially related to RSV in Spanish children. Longitudinal data from September 2017 to June 2018 of 51,292 children aged < 5 years old from the National Healthcare System (NHS) of two Spanish regions were used. Three case definitions were considered: (a) RSV-specific; (b) RSV-specific and unspecified acute bronchiolitis (RSV-specific and Bronchiolitis), and; (c) RSV-specific and unspecified ALRI (RSV-specific and ALRI). A total of 3460 medically attended ALRI cases potentially due to RSV were identified, of which 257 (7.4%), 164 (4.7%), and 3039 (87.8%) coded with RSV-specific, unspecific bronchiolitis, and unspecific ALRI codes, respectively. Medically attended RSV-specific and ALRI cases per 1000 children was 134.4 in the first year of life, 119.4 in the second, and 35.3 between 2 and 5 years old. Most cases were observed in otherwise healthy children (93.1%). Mean direct healthcare cost per medically attended RSV-specific and ALRI case was €1753 in the first year of life, €896 in the second, and €683 between 2 and 5 years old. Hospitalization was the main driver of these costs, accounting for 55.6%, 38.0% and 33.4%, in each respective age group. In RSV-specific cases, mean direct healthcare cost per medically attended case was higher, mostly due to hospitalization: €3362 in the first year of life (72.9% from hospitalizations), €3252 in the second (72.1%), and €3514 between 2 and 5 years old (74.2%). These findings suggest that hospitalization data alone will underestimate the RSV infections requiring medical care, as will relying only on RSV-specific codes. RSV testing and codification must be improved and preventive solutions adopted, to protect all infants, particularly during the first year of life.
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Affiliation(s)
- F Martinón-Torres
- Translational Pediatrics and Infectious Diseases, Hospital Clínico Universitario and Universidad de Santiago de Compostela, Galicia, Spain. .,Genetics, Vaccines and Pediatric Infectious Diseases Research Group (GENVIP), Instituto de Investigación Sanitaria de Santiago and Universidad de Santiago de Compostela (USC), Rúa da Choupana, s/n, Santiago de Compostela, Galicia, 15706, A Coruña, Spain. .,CIBER Enfermedades Respiratorias (CIBERES), Instituto de Salud Carlos III, Madrid, Spain.
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Rodrigues-Gomes RM, Martí JD, Rolán RM, Gelabert-González M. Rapid chest compression effects on intracranial pressure in patients with acute cerebral injury. Trials 2022; 23:312. [PMID: 35428364 PMCID: PMC9012060 DOI: 10.1186/s13063-022-06189-w] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/10/2021] [Accepted: 03/20/2022] [Indexed: 11/10/2022] Open
Abstract
BACKGROUND Patients with acute brain injury often require invasive mechanical ventilation, increasing the risk of developing complications such as respiratory secretions retention. Rapid chest compression is a manual chest physiotherapy technique that aims to improve clearance of secretions in these patients. However, the rapid chest compression technique has been suggested to be associated with increased intracranial pressure in patients with acute brain injury. The aim of this work is to elucidate the effects of the technique on intracranial pressure in mechanically ventilated patients with acute brain injury. Furthermore, the effects of the technique in different volumes and flows recorded by the ventilator and the relationship between the pressure applied in the intervention group and the different variables will also be studied. METHODS Randomized clinical trial, double-blinded. Patients with acute brain injury on invasive mechanical ventilation > 48 h will be included and randomized in two groups. In the control group, a technique of passive hallux mobilization will be applied, and in the intervention group, it will be performed using the rapid chest compression technique. Intracranial pressure (main variable) will be collected with an intracranial pressure monitoring system placed at the lateral ventricles (Integra Camino). DISCUSSION The safety of chest physiotherapy techniques in patients at risk of intracranial hyperpressure is still uncertain. The aim of this study is to identify if the rapid manual chest compression technique is safe in ventilated patients with acute brain injury. TRIAL REGISTRATION NCT03609866 . Registered on 08/01/2018.
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Montejo M, Paniagua N, Saiz-Hernando C, Martinez-Indart L, Mintegi S, Benito J. Initiatives to reduce treatments in bronchiolitis in the emergency department and primary care. Arch Dis Child 2021; 106:294-300. [PMID: 31666241 DOI: 10.1136/archdischild-2019-318085] [Citation(s) in RCA: 13] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 08/14/2019] [Revised: 10/09/2019] [Accepted: 10/16/2019] [Indexed: 11/04/2022]
Abstract
We performed a quality improvement initiative to reduce unnecessary treatments for acute bronchiolitis (AB) in primary care (PC) and the referral paediatric emergency department (ED). The quality improvement initiative involved two seasons: 2016-2017 (preintervention) and 2017-2018 (postintervention). We distributed an evidence-based protocol, informative posters and badges with the slogan 'Bronchiolitis, less is more'. We also held interactive sessions, and paediatricians received weekly reports on bronchodilator prescription. The main outcome was the percentage of infants prescribed salbutamol. Secondary outcomes were epinephrine, antibiotic and corticosteroid prescription rates. Control measures were ED visit and hospitalisation rates, triage level, length of stay, intensive care admission and unscheduled returns with admission. We included 1878 ED and 1192 PC visits of which 855 (44.5%) and 534 (44.7%) occurred in the postintervention period, respectively. In the ED, salbutamol and epinephrine prescription rates fell from 13.8% (95% CI 11.8% to 16%) to 9.1% (95% CI 7.3% to 11.2%) (p<0.01) and 10.4% (95% CI 8.6% to 12.4%) to 9% (95% CI 7.2% to 11.1%) (n.s.), respectively. In PC, salbutamol, corticosteroid and antibiotic prescription rates fell from 38.3% (95% CI 34.6% to 42.0%) to 15.9% (95% CI 12.9% to 19.5%) (p<0.01), 12.9% (95% CI 10.5% to 15.7%) to 3.6% (95% CI 2.2% to 5.7%) (p<0.01) and 29.6% (95% CI 26.2% to 33.2%) to 9.5% (95% CI 7.2% to 12.5%) (p<0.01), respectively. No significant variations were noted in control measures. We safely decreased the use of unnecessary treatments for AB. Collaboration between PC and ED appears to be an important factor for success.
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Affiliation(s)
- Marta Montejo
- Rontegi-Barakaldo Primary Care Center, University of the Basque Country, Bilbao, Spain
| | - Natalia Paniagua
- Pediatric Emergency Department, Cruces University Hospital, Bilbao, Spain
| | | | | | - Santiago Mintegi
- Pediatric Emergency Department, Cruces University Hospital, Bilbao, Spain.,Department of Pediatrics, University of the Basque Country, Bilbao, Spain
| | - Javier Benito
- Pediatric Emergency Department, Cruces University Hospital, Bilbao, Spain.,Department of Pediatrics, University of the Basque Country, Bilbao, Spain
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What is the optimal flow on starting high-flow oxygen therapy for bronchiolitis treatment in paediatric wards? ANALES DE PEDIATRÍA (ENGLISH EDITION) 2019. [DOI: 10.1016/j.anpede.2018.11.013] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/18/2022] Open
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Jiménez García R, Andina Martínez D, Palomo Guerra B, Escalada Pellitero S, de la Torre Espí M. Impact of a new acute bronchiolitis protocol on clinical practice. ANALES DE PEDIATRÍA (ENGLISH EDITION) 2019. [DOI: 10.1016/j.anpede.2018.02.012] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/27/2022] Open
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Jiménez García R, Andina Martínez D, Palomo Guerra B, Escalada Pellitero S, de la Torre Espí M. Impacto en la práctica clínica de un nuevo protocolo de bronquiolitis aguda. An Pediatr (Barc) 2019; 90:79-85. [DOI: 10.1016/j.anpedi.2018.02.017] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/05/2017] [Revised: 02/25/2018] [Accepted: 02/27/2018] [Indexed: 11/16/2022] Open
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Maraña Pérez AI, Rius Peris JM, Rivas Juesas C, Torrecilla Cañas J, Hernández Muelas S, de la Osa Langreo A. Multimodal implementation of clinical practice guidelines on bronchiolitis: Ending the overuse of diagnostic resources. An Pediatr (Barc) 2018. [DOI: 10.1016/j.anpede.2018.02.007] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/27/2022] Open
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Implementación multimodal de una guía de práctica clínica en bronquiolitis: acabando con el uso excesivo de recursos diagnósticos. An Pediatr (Barc) 2018; 89:352-360. [DOI: 10.1016/j.anpedi.2018.02.008] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/03/2017] [Revised: 02/09/2018] [Accepted: 02/14/2018] [Indexed: 11/23/2022] Open
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Bermúdez Barrezueta L, García Carbonell N, López Montes J, Gómez Zafra R, Marín Reina P, Herrmannova J, Casero Soriano J. High flow nasal cannula oxygen therapy in the treatment of acute bronchiolitis in neonates. ANALES DE PEDIATRÍA (ENGLISH EDITION) 2017. [DOI: 10.1016/j.anpede.2016.03.006] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/27/2022] Open
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Bermúdez Barrezueta L, García Carbonell N, López Montes J, Gómez Zafra R, Marín Reina P, Herrmannova J, Casero Soriano J. [High flow nasal cannula oxygen therapy in the treatment of acute bronchiolitis in neonates]. An Pediatr (Barc) 2016; 86:37-44. [PMID: 27068070 DOI: 10.1016/j.anpedi.2016.03.001] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/29/2015] [Revised: 02/22/2016] [Accepted: 03/01/2016] [Indexed: 11/30/2022] Open
Abstract
OBJECTIVE To determine whether the availability of heated humidified high-flow nasal cannula (HFNC) therapy was associated with a decrease in need for mechanical ventilation in neonates hospitalised with acute bronchiolitis. METHODS A combined retrospective and prospective (ambispective) cohort study was performed in a type II-B Neonatal Unit, including hospitalised neonates with acute bronchiolitis after the introduction of HFNC (HFNC-period; October 2011-April 2015). They were compared with a historical cohort prior to the availability of this technique (pre-HFNC; January 2008-May 2011). The need for mechanical ventilation between the two study groups was analysed. Clinical parameters and technique-related complications were evaluated in neonates treated with HFNC. RESULTS A total of 112 neonates were included, 56 after the introduction of HFNC and 56 from the period before the introduction of HFNC. None of patients in the HFNC-period required intubation, compared with 3.6% of the patients in the pre-HFNC group. The availability of HFNC resulted in a significant decrease in the need for non-invasive mechanical ventilation (30.4% vs 10.7%; P=.01), with a relative risk (RR) of .353 (95% CI; .150-.829), an absolute risk reduction (ARR) of 19.6% (95% CI; 5.13 - 34.2), yielding a NNT of 5. In the HFNC-period, 22 patients received high flow therapy, and 22.7% (95% CI; 7.8 to 45.4) required non-invasive ventilation. Treatment with HFNC was associated with a significant decrease in heart rate (P=.03), respiratory rate (P=.01), and an improvement in the Wood-Downes Férres score (P=.00). No adverse effects were observed. CONCLUSIONS The availability of HFNC reduces the need for non-invasive mechanical ventilation, allowing a safe and effective medical management of neonates with acute bronchiolitis.
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Affiliation(s)
| | - Nuria García Carbonell
- Departamento de Pediatría, Consorcio Hospital General Universitario de Valencia, Valencia, España
| | - Jorge López Montes
- Departamento de Pediatría, Consorcio Hospital General Universitario de Valencia, Valencia, España
| | - Rafael Gómez Zafra
- Departamento de Pediatría, Consorcio Hospital General Universitario de Valencia, Valencia, España
| | - Purificación Marín Reina
- Departamento de Pediatría, Consorcio Hospital General Universitario de Valencia, Valencia, España
| | - Jana Herrmannova
- Departamento de Pediatría, Consorcio Hospital General Universitario de Valencia, Valencia, España
| | - Javier Casero Soriano
- Departamento de Pediatría, Consorcio Hospital General Universitario de Valencia, Valencia, España
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Flores P, Mendes AL, Neto AS. A randomized trial of nebulized 3% hypertonic saline with salbutamol in the treatment of acute bronchiolitis in hospitalized infants. Pediatr Pulmonol 2016; 51:418-25. [PMID: 26334188 DOI: 10.1002/ppul.23306] [Citation(s) in RCA: 21] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 12/29/2014] [Revised: 06/08/2015] [Accepted: 06/17/2015] [Indexed: 11/11/2022]
Abstract
OBJECTIVE Acute bronchiolitis is a common disorder of infants that often results in hospitalization. Apart from supportive care, no therapy has been shown to influence the course of the disease, except for a possible effect of nebulized hypertonic saline (HS). To determine whether this does have beneficial effects on length of stay in hospital or on severity scores, we undertook a double-blind, randomized, controlled trial in a pediatric department of a Portuguese hospital. METHODS Previously healthy infants, younger than 12 months, hospitalized with mild-to-moderate acute viral bronchiolitis were randomized to receive either nebulized 3% (hypertonic, HS) or 0.9% (normal, NS) saline during their entire hospital stay. Primary endpoints were: length of hospital stay and severity scores on each day of hospitalization. Need for supplemental oxygen, further add-on medications and adverse effects were also analyzed. RESULTS Sixty-eight patients completed the study (HS: 33; NS: 35). The median length of hospital stay did not differ between groups: HS: 5.6 ± 2.3 days; NS: 5.4 ± 2.1 days (P = 0.747). We found no difference between groups in severity scores from day 1 to day 4. There were no differences in need for supplemental oxygen or add-on medications. Patients in HS group had significantly more cough (46% vs. 20%, P = 0.025) and rhinorrhoe (58% vs. 31%, P = 0.30). CONCLUSION This study does not support the use of nebulized HS over NS in therapy of hospitalized children with mild-to-moderate acute viral bronchiolitis.
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Affiliation(s)
| | | | - Ana S Neto
- Hospital Cuf Descobertas, Lisboa, Portugal
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Roqué i Figuls M, Giné‐Garriga M, Granados Rugeles C, Perrotta C, Vilaró J. Chest physiotherapy for acute bronchiolitis in paediatric patients between 0 and 24 months old. Cochrane Database Syst Rev 2016; 2:CD004873. [PMID: 26833493 PMCID: PMC6458017 DOI: 10.1002/14651858.cd004873.pub5] [Citation(s) in RCA: 26] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/31/2022]
Abstract
BACKGROUND This Cochrane review was first published in 2005 and updated in 2007, 2012 and now 2015. Acute bronchiolitis is the leading cause of medical emergencies during winter in children younger than two years of age. Chest physiotherapy is sometimes used to assist infants in the clearance of secretions in order to decrease ventilatory effort. OBJECTIVES To determine the efficacy of chest physiotherapy in infants aged less than 24 months old with acute bronchiolitis. A secondary objective was to determine the efficacy of different techniques of chest physiotherapy (for example, vibration and percussion and passive forced exhalation). SEARCH METHODS We searched CENTRAL (2015, Issue 9) (accessed 8 July 2015), MEDLINE (1966 to July 2015), MEDLINE in-process and other non-indexed citations (July 2015), EMBASE (1990 to July 2015), CINAHL (1982 to July 2015), LILACS (1985 to July 2015), Web of Science (1985 to July 2015) and Pedro (1929 to July 2015). SELECTION CRITERIA Randomised controlled trials (RCTs) in which chest physiotherapy was compared against no intervention or against another type of physiotherapy in bronchiolitis patients younger than 24 months of age. DATA COLLECTION AND ANALYSIS Two review authors independently extracted data. Primary outcomes were change in the severity status of bronchiolitis and time to recovery. Secondary outcomes were respiratory parameters, duration of oxygen supplementation, length of hospital stay, use of bronchodilators and steroids, adverse events and parents' impression of physiotherapy benefit. No pooling of data was possible. MAIN RESULTS We included 12 RCTs (1249 participants), three more than the previous Cochrane review, comparing physiotherapy with no intervention. Five trials (246 participants) evaluated conventional techniques (vibration and percussion plus postural drainage), and seven trials (1003 participants) evaluated passive flow-oriented expiratory techniques: slow passive expiratory techniques in four trials, and forced passive expiratory techniques in three trials.Conventional techniques failed to show a benefit in the primary outcome of change in severity status of bronchiolitis measured by means of clinical scores (five trials, 241 participants analysed). Safety of conventional techniques has been studied only anecdotally, with one case of atelectasis, the collapse or closure of the lung resulting in reduced or absent gas exchange, reported in the control arm of one trial.Slow passive expiratory techniques failed to show a benefit in the primary outcomes of severity status of bronchiolitis and in time to recovery (low quality of evidence). Three trials analysing 286 participants measured severity of bronchiolitis through clinical scores, with no significant differences between groups in any of these trials, conducted in patients with moderate and severe disease. Only one trial observed a transient significant small improvement in the Wang clinical score immediately after the intervention in patients with moderate severity of disease. There is very low quality evidence that slow passive expiratory techniques seem to be safe, as two studies (256 participants) reported that no adverse effects were observed.Forced passive expiratory techniques failed to show an effect on severity of bronchiolitis in terms of time to recovery (two trials, 509 participants) and time to clinical stability (one trial, 99 participants analysed). This evidence is of high quality and corresponds to patients with severe bronchiolitis. Furthermore, there is also high quality evidence that these techniques are related to an increased risk of transient respiratory destabilisation (risk ratio (RR) 10.2, 95% confidence interval (CI) 1.3 to 78.8, one trial) and vomiting during the procedure (RR 5.4, 95% CI 1.6 to 18.4, one trial). Results are inconclusive for bradycardia with desaturation (RR 1.0, 95% CI 0.2 to 5.0, one trial) and bradycardia without desaturation (RR 3.6, 95% CI 0.7 to 16.9, one trial), due to the limited precision of estimators. However, in mild to moderate bronchiolitis patients, forced expiration combined with conventional techniques produced an immediate relief of disease severity (one trial, 13 participants). AUTHORS' CONCLUSIONS None of the chest physiotherapy techniques analysed in this review (conventional, slow passive expiratory techniques or forced expiratory techniques) have demonstrated a reduction in the severity of disease. For these reasons, these techniques cannot be used as standard clinical practice for hospitalised patients with severe bronchiolitis. There is high quality evidence that forced expiratory techniques in severe patients do not improve their health status and can lead to severe adverse events. Slow passive expiratory techniques provide an immediate and transient relief in moderate patients without impact on duration. Future studies should test the potential effect of slow passive expiratory techniques in mild to moderate non-hospitalised patients and patients who are respiratory syncytial virus (RSV) positive. Also, they could explore the combination of chest physiotherapy with salbutamol or hypertonic saline.
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Affiliation(s)
- Marta Roqué i Figuls
- CIBER Epidemiología y Salud Pública (CIBERESP)Iberoamerican Cochrane Centre ‐ Biomedical Research Institute Sant Pau (IIB Sant Pau)Sant Antoni Maria Claret 171Edifici Casa de ConvalescènciaBarcelonaCatalunyaSpain08041
| | - Maria Giné‐Garriga
- Universitat Ramon LlullFPCEE Blanquerna. Department of Physical Activity and Sport SciencesCíster 34BarcelonaSpain08022
| | - Claudia Granados Rugeles
- Pontificia Universidad JaverianaDepartment of Clinical Epidemiology and Biostatistics, Faculty of MedicineCr. 7 #40‐62, 2nd FloorBogotáDCColombia
| | - Carla Perrotta
- Hospital Italiano de Buenos AiresFamily MedicineCiudad Autonoma de Buenos AiresArgentina
| | - Jordi Vilaró
- Ramon Lull UniversityDepartment of Health SciencesPadilla, 326‐332BarcelonaSpain08025
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Oliveira TGD, Moraes JDSBD, Moreira FT, Arrelaro RC, Ricardi VA, Bertagnon JRD, Juliano Y. Evaluation of hospitalization of children aged 0 to 5 years admitted for respiratory infections at a large hospital. EINSTEIN-SAO PAULO 2016; 9:514-7. [PMID: 26761256 DOI: 10.1590/s1679-45082011ao1908] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/14/2010] [Accepted: 10/28/2011] [Indexed: 11/21/2022] Open
Abstract
OBJECTIVE To evaluate the admission of children aged 0 to 5 years due to respiratory infections at a major hospital in the Southern region of the city of São Paulo. METHODS A total of 4,240 clinical records of children hospitalized and diagnosed with pneumonia, bronchopneumonia, bronchiolitis and bronchitis were evaluated for the 2008-2009 period, based on age, gender and year season. RESULTS Out of this total of children aged 0 to 60-months, 139 (3.2%) presented with pneumonia, with a slight predominance in female babies, and 73.4% occurred between 12 and 60 months (102 cases), particularly during the winter. No significant difference was found as to gender in bronchopneumonia. Age range and year seasons showed to be significant. As regards to bronchiolitis, there was a slight increase in male babies (253 cases) aged less than 12 months and in the autumn season. A total of 182 (4.3%) presented with bronchitis, mainly boys (101 cases) in children aged 12 to 60 months, predominantly during autumn/summer seasons. CONCLUSION The assessment of admissions of children aged 0 to 5 years due to respiratory infections at a major hospital at the Southern region of the city of São Paulo, in the 2008-2009 period, showed that respiratory diseases affect age groups, and gender in a different way occurring in specific periods of the year.
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Affiliation(s)
| | | | | | | | | | | | - Yara Juliano
- Department of Public Health, Faculdade de Medicina, Universidade de Santo Amaro - UNISA, São Paulo, SP, BR
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Toledo del Castillo B, González Ruiz de León E, Rivas García A, Vázquez López P, Miguez Navarro M, Marañón Pardillo R. Association between moderate–severe bronchiolitis and syndrome of inappropriate antidiuretic hormone secretion in emergency departments. An Pediatr (Barc) 2016. [DOI: 10.1016/j.anpede.2015.10.004] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/01/2022] Open
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Asociación entre bronquiolitis moderada-grave y síndrome de secreción inadecuada de hormona antidiurética en urgencias. An Pediatr (Barc) 2016; 84:24-9. [DOI: 10.1016/j.anpedi.2015.02.020] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/01/2014] [Revised: 02/18/2015] [Accepted: 02/24/2015] [Indexed: 11/23/2022] Open
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Díez-Domingo J, Pérez-Yarza EG, Melero JA, Sánchez-Luna M, Aguilar MD, Blasco AJ, Alfaro N, Lázaro P. Social, economic, and health impact of the respiratory syncytial virus: a systematic search. BMC Infect Dis 2014; 14:544. [PMID: 25358423 PMCID: PMC4219051 DOI: 10.1186/s12879-014-0544-x] [Citation(s) in RCA: 68] [Impact Index Per Article: 6.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/28/2013] [Accepted: 10/06/2014] [Indexed: 01/30/2023] Open
Abstract
BACKGROUND Bronchiolitis caused by the respiratory syncytial virus (RSV) and its related complications are common in infants born prematurely, with severe congenital heart disease, or bronchopulmonary dysplasia, as well as in immunosuppressed infants. There is a rich literature on the different aspects of RSV infection with a focus, for the most part, on specific risk populations. However, there is a need for a systematic global analysis of the impact of RSV infection in terms of use of resources and health impact on both children and adults. With this aim, we performed a systematic search of scientific evidence on the social, economic, and health impact of RSV infection. METHODS A systematic search of the following databases was performed: MEDLINE, EMBASE, Spanish Medical Index, MEDES-MEDicina in Spanish, Cochrane Plus Library, and Google without time limits. We selected 421 abstracts based on the 6,598 articles identified. From these abstracts, 4 RSV experts selected the most relevant articles. They selected 65 articles. After reading the full articles, 23 of their references were also selected. Finally, one more article found through a literature information alert system was included. RESULTS The information collected was summarized and organized into the following topics: 1. Impact on health (infections and respiratory complications, mid- to long-term lung function decline, recurrent wheezing, asthma, other complications such as otitis and rhino-conjunctivitis, and mortality; 2. Impact on resources (visits to primary care and specialists offices, emergency room visits, hospital admissions, ICU admissions, diagnostic tests, and treatments); 3. Impact on costs (direct and indirect costs); 4. Impact on quality of life; and 5. Strategies to reduce the impact (interventions on social and hygienic factors and prophylactic treatments). CONCLUSIONS We concluded that 1. The health impact of RSV infection is relevant and goes beyond the acute episode phase; 2. The health impact of RSV infection on children is much better documented than the impact on adults; 3. Further research is needed on mid- and long-term impact of RSV infection on the adult population, especially those at high-risk; 4. There is a need for interventions aimed at reducing the impact of RSV infection by targeting health education, information, and prophylaxis in high-risk populations.
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Affiliation(s)
| | - Eduardo G Pérez-Yarza
- Division of Pediatric Respiratory Medicine, Hospital Universitario Donostia-Instituto Biodonostia, San Sebastián, Spain.
- Biomedical Research Centre Network for Respiratory Diseases (CIBERES), San Sebastián, Spain.
- Department of Pediatrics, University of the Basque Country (UPV/EHU), San Sebastián, Spain.
| | - José A Melero
- National Center of Microbiology and CIBER of Respiratory Diseases, Instituto de Salud Carlos III, Madrid, Spain.
| | - Manuel Sánchez-Luna
- Neonatology Division, Hospital General Universitario Gregorio Marañón, Madrid, Spain.
| | | | | | - Noelia Alfaro
- Advanced Techniques in Health Services Research, Madrid, Spain.
| | - Pablo Lázaro
- Advanced Techniques in Health Services Research, Madrid, Spain.
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Ochoa Sangrador C, González de Dios J. Overuse of bronchodilators and steroids in bronchiolitis of different severity: bronchiolitis-study of variability, appropriateness, and adequacy. Allergol Immunopathol (Madr) 2014; 42:307-15. [PMID: 23769739 DOI: 10.1016/j.aller.2013.02.010] [Citation(s) in RCA: 27] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/06/2012] [Accepted: 02/02/2013] [Indexed: 11/20/2022]
Abstract
BACKGROUND In the management of acute bronchiolitis there is a generalised use of treatments that have not been shown to be useful or efficacious in clinical studies. The objective of this study was to determine the appropriateness in the treatment of acute bronchiolitis of different severity within different clinical care settings. METHODS This is a cross-sectional, descriptive study of 5647 cases of acute bronchiolitis in 91 Spanish hospitals and primary care centres. We classified the appropriateness of the treatments according to the recommendations of a consensus conference. RESULTS There was an inappropriate use of treatments in 58.3% of the cases during the acute phase and in 45.4% during the maintenance phase. There was a generalised use of inhaled beta 2 agonists, regardless of the severity of the patients (hospitalised patients 69.3%, emergency care 63.2% and ambulatory 64.1%). Adrenaline was used in 30.1% of hospitalised cases and in 80.2% of intensive care patients. Systemic corticosteroids were not only used in one-third of hospitalised patients but also in 25.8% of ambulatory cases. CONCLUSIONS In acute bronchiolitis in Spain there is a wide use of treatments that are not recommended by the available clinical practice guidelines. Beta 2 agonist bronchodilators and corticosteroids are widely used and maintained, regardless of the severity of the patients.
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Affiliation(s)
| | - J González de Dios
- Service of Pediatrics, Hospital General Universitario de Alicante, Department of Pediatrics, Universidad Miguel Hernández, Alicante, Spain
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Castro-Rodriguez JA, Silva R, Tapia P, Salinas P, Tellez A, Leisewitz T, Sanchez I. Chest physiotherapy is not clinically indicated for infants receiving outpatient care for acute wheezing episodes. Acta Paediatr 2014; 103:518-23. [PMID: 24571395 DOI: 10.1111/apa.12578] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 07/11/2013] [Revised: 01/15/2014] [Accepted: 01/24/2014] [Indexed: 11/27/2022]
Abstract
AIM To evaluate the effectiveness of chest physiotherapy (CPT), which provides slow and long expiratory flow and assisted cough techniques, in infants receiving outpatient care for acute wheezing episodes. METHODS Forty-eight infants with moderate acute wheezing episodes were randomised to receive either salbutamol MDI with CPT (n = 25) or without CPT (n = 23). The clinical score and SpO2 levels were recorded, before and after treatment, in a blinded design. The primary outcome was discharge after the first hour of treatment: clinical score ≤5/12 and SpO2 ≥ 93%. Secondary outcomes were the number of admissions to hospital after the second hour, use of oral corticosteroid bursts and admissions to hospital on day seven. RESULTS There were no differences between children with and without CPT in discharge rate (92% vs. 87%), clinical score (median [IQR]: 2.8 [2.2-3.3] vs. 3.4 [2.8-4.1]) and SpO2 = (96.4 [95.7-97.1] vs. 96.0 [94.9-96.5]) after the first hour of treatment or in the number of hospital admissions after the second hour. No differences were observed at days seven and 28 following treatment. CONCLUSION There was no evidence of clinical benefits from these specific CPT techniques for infants receiving outpatient care for acute wheezing episodes.
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Affiliation(s)
- Jose A. Castro-Rodriguez
- Department of Paediatrics; School of Medicine; Pontificia Universidad Catolica de Chile; Santiago Chile
- Department of Family Medicine; School of Medicine; Pontificia Universidad Católica de Chile; Santiago Chile
| | - Rodrigo Silva
- Department of Family Medicine; School of Medicine; Pontificia Universidad Católica de Chile; Santiago Chile
| | - Patricio Tapia
- CESFAM Juan Pablo II; School of Medicine; Pontificia Universidad Catolica de Chile; Santiago Chile
| | - Pamela Salinas
- CESFAM Juan Pablo II; School of Medicine; Pontificia Universidad Catolica de Chile; Santiago Chile
| | - Alvaro Tellez
- Department of Family Medicine; School of Medicine; Pontificia Universidad Católica de Chile; Santiago Chile
| | - Thomas Leisewitz
- Department of Family Medicine; School of Medicine; Pontificia Universidad Católica de Chile; Santiago Chile
| | - Ignacio Sanchez
- Department of Paediatrics; School of Medicine; Pontificia Universidad Catolica de Chile; Santiago Chile
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Ochoa Sangrador C, González de Dios J. Manejo de la bronquiolitis aguda en atención primaria: análisis de variabilidad e idoneidad (proyecto aBREVIADo). An Pediatr (Barc) 2013; 79:167-76. [DOI: 10.1016/j.anpedi.2013.01.015] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/23/2012] [Revised: 12/18/2012] [Accepted: 01/18/2013] [Indexed: 11/17/2022] Open
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Fernandes RM, Bialy LM, Vandermeer B, Tjosvold L, Plint AC, Patel H, Johnson DW, Klassen TP, Hartling L. Glucocorticoids for acute viral bronchiolitis in infants and young children. Cochrane Database Syst Rev 2013; 2013:CD004878. [PMID: 23733383 PMCID: PMC6956441 DOI: 10.1002/14651858.cd004878.pub4] [Citation(s) in RCA: 77] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/11/2022]
Abstract
BACKGROUND Previous systematic reviews have not shown clear benefit of glucocorticoids for acute viral bronchiolitis, but their use remains considerable. Recent large trials add substantially to current evidence and suggest novel glucocorticoid-including treatment approaches. OBJECTIVES To review the efficacy and safety of systemic and inhaled glucocorticoids in children with acute viral bronchiolitis. SEARCH METHODS We searched the Cochrane Central Register of Controlled Trials (CENTRAL 2012, Issue 12), MEDLINE (1950 to January week 2, 2013), EMBASE (1980 to January 2013), LILACS (1982 to January 2013), Scopus® (1823 to January 2013) and IRAN MedEx (1998 to November 2009). SELECTION CRITERIA Randomised controlled trials (RCTs) comparing short-term systemic or inhaled glucocorticoids versus placebo or another intervention in children under 24 months with acute bronchiolitis (first episode with wheezing). Our primary outcomes were: admissions by days 1 and 7 for outpatient studies; and length of stay (LOS) for inpatient studies. Secondary outcomes included clinical severity parameters, healthcare use, pulmonary function, symptoms, quality of life and harms. DATA COLLECTION AND ANALYSIS Two authors independently extracted data on study and participant characteristics, interventions and outcomes. We assessed risk of bias and graded strength of evidence. We meta-analysed inpatient and outpatient results separately using random-effects models. We pre-specified subgroup analyses, including the combined use of bronchodilators used in a protocol. MAIN RESULTS We included 17 trials (2596 participants); three had low overall risk of bias. Baseline severity, glucocorticoid schemes, comparators and outcomes were heterogeneous. Glucocorticoids did not significantly reduce outpatient admissions by days 1 and 7 when compared to placebo (pooled risk ratios (RRs) 0.92; 95% confidence interval (CI) 0.78 to 1.08 and 0.86; 95% CI 0.7 to 1.06, respectively). There was no benefit in LOS for inpatients (mean difference -0.18 days; 95% CI -0.39 to 0.04). Unadjusted results from a large factorial low risk of bias RCT found combined high-dose systemic dexamethasone and inhaled epinephrine reduced admissions by day 7 (baseline risk of admission 26%; RR 0.65; 95% CI 0.44 to 0.95; number needed to treat 11; 95% CI 7 to 76), with no differences in short-term adverse effects. No other comparisons showed relevant differences in primary outcomes. AUTHORS' CONCLUSIONS Current evidence does not support a clinically relevant effect of systemic or inhaled glucocorticoids on admissions or length of hospitalisation. Combined dexamethasone and epinephrine may reduce outpatient admissions, but results are exploratory and safety data limited. Future research should further assess the efficacy, harms and applicability of combined therapy.
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Affiliation(s)
- Ricardo M Fernandes
- Laboratory of Clinical Pharmacology and Therapeutics, Faculty of Medicine, University of Lisbon, Instituto de Medicina Molecular,Lisboa, Portugal.
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Ochoa Sangrador C, González de Dios J. Management of acute bronchiolitis in emergency wards in Spain: variability and appropriateness analysis (aBREVIADo Project). Eur J Pediatr 2012; 171:1109-19. [PMID: 22350372 DOI: 10.1007/s00431-012-1683-y] [Citation(s) in RCA: 19] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 10/24/2011] [Accepted: 01/24/2012] [Indexed: 11/25/2022]
Abstract
UNLABELLED Most patients with acute bronchiolitis have a mild course and only require outpatient care. However, some of them have to go to emergency departments, because they have respiratory distress or feeding problems. There, they frequently receive diagnostic and therapeutic procedures. We want to know the variability and appropriateness of these procedures. A cross-sectional study (October 2007 to March 2008) was carried out on 2,430 diagnosed cases of bronchiolitis in hospital emergency departments, which required no hospitalization. An analysis of the appropriateness of the treatments was made in 2,032 cases gathered in ten departments with at least 100 cases, using as criterion the recommendations of a consensus conference. We estimated the adjusted percentages of each department. Most of the bronchiolitis were mild, in spite that they underwent multiple diagnostic and therapeutic procedures. In the acute phase, different treatments were used: inhaled beta 2 agonists (61.4%), antipyretics (17.1%), oral steroids (11.3%), and nebulized adrenaline (9.3%). In the maintenance phase, the most common treatments were: inhaled beta 2 agonists (50.5%), oral steroids (17%), oral beta 2 agonists (14.9%), and antibiotics (6.1%). The 64% of the treatments used in the acute phase and the 55.9% in the maintenance phase were considered inappropriate in the appropriateness analysis; a great heterogeneity among centers was found. CONCLUSIONS There are discrepancies between clinical practice and evidence-based management of bronchiolitis in Spanish emergency departments. Inappropriate treatments were used in more than half of patients. The wide variation between centers shows the influence of local prescribing habits and reveals the scope for improvement.
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Affiliation(s)
- Carlos Ochoa Sangrador
- Pediatric Service, Hospital Virgen de la Concha, C/Jardines Eduardo Barrón 1 bis 3°, 49018, Zamora, Spain.
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Roqué i Figuls M, Giné-Garriga M, Granados Rugeles C, Perrotta C. Chest physiotherapy for acute bronchiolitis in paediatric patients between 0 and 24 months old. Cochrane Database Syst Rev 2012:CD004873. [PMID: 22336805 DOI: 10.1002/14651858.cd004873.pub4] [Citation(s) in RCA: 33] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 01/15/2023]
Abstract
BACKGROUND This is an update of the original Cochrane review published in 2005 and updated in 2007. Acute bronchiolitis is the leading cause of medical emergencies during winter in children younger than two years of age. Chest physiotherapy is thought to assist infants in the clearance of secretions and to decrease ventilatory effort. OBJECTIVES The main objective was to determine the efficacy of chest physiotherapy in infants aged less than 24 months old with acute bronchiolitis. A secondary objective was to determine the efficacy of different techniques of chest physiotherapy (for example, vibration and percussion and passive forced exhalation). SEARCH METHODS We searched the Cochrane Central Register of Controlled Trials (CENTRAL) (The Cochrane Library 2011, Issue 4) which contains the Cochrane Acute Respiratory Infections Group's Specialised Register, MEDLINE (1966 to November week 3, 2011), MEDLINE in-process and other non-indexed citations (8 December 2011), EMBASE.com (1990 to December 2011), CINAHL (1982 to December 2011), LILACS (1985 to December 2011) and Web of Science (1985 to December 2011). SELECTION CRITERIA Randomised controlled trials (RCTs) in which chest physiotherapy was compared against no intervention or against another type of physiotherapy in bronchiolitis patients younger than 24 months of age. DATA COLLECTION AND ANALYSIS Two review authors independently extracted data. Primary outcomes were respiratory parameters and improvement in severity of disease. Secondary outcomes were length of hospital stay, duration of oxygen supplementation and the use of bronchodilators and steroids. No pooling of data was possible. MAIN RESULTS Nine clinical trials including 891 participants were included comparing physiotherapy with no intervention. Five trials (246 participants) evaluated vibration and percussion techniques and four trials (645 participants) evaluated passive expiratory techniques. We observed no significant differences in the severity of disease (eight trials, 867 participants). Results were negative for both types of physiotherapy. We observed no differences between groups in respiratory parameters (two trials, 118 participants), oxygen requirements (one trial, 50 participants), length of stay (five trials, 222 participants) or severe side effects (two trials, 595 participants). Differences in mild transient adverse effects (vomiting and respiratory instability) have been observed (one trial, 496 participants). AUTHORS' CONCLUSIONS Since the last publication of this review new good-quality evidence has appeared, strengthening the conclusions of the review. Chest physiotherapy does not improve the severity of the disease, respiratory parameters, or reduce length of hospital stay or oxygen requirements in hospitalised infants with acute bronchiolitis not on mechanical ventilation. Chest physiotherapy modalities (vibration and percussion or forced expiratory techniques) have shown equally negative results.
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Affiliation(s)
- Marta Roqué i Figuls
- Iberoamerican Cochrane Centre, Institute of Biomedical Research (IIB Sant Pau), Barcelona, CIBER Epidemiología y Salud Pública(CIBERESP), Spain, Barcelona, Spain.
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Sánchez Bayle M, Martín Martín R, Cano Fernández J, Martínez Sánchez G, Gómez Martín J, Yep Chullen G, García García MC. [Chest physiotherapy and bronchiolitis in the hospitalised infant. Double-blind clinical trial]. An Pediatr (Barc) 2012; 77:5-11. [PMID: 22281403 DOI: 10.1016/j.anpedi.2011.11.026] [Citation(s) in RCA: 8] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/02/2011] [Revised: 11/29/2011] [Accepted: 11/30/2011] [Indexed: 11/28/2022] Open
Abstract
OBJECTIVE [corrected] To study the utility of chest physiotherapy by increased exhalation technique with assisted cough in the acute bronchiolite of the hospitalized new-born babys. PATIENTS AND METHODS Double-blind clinical trial accomplished on 236 patients of age lower than 7 months and hospitalizad with diagnosis of acute bronchiolitis, first episode, in a pediatric department in Madrid.The patients were randomized in two groups: those who have received maneuvers of chest physiotherapy and those who have received maneuvers placebo. Only physiotherapist were aware of the allocation group of the infants. The days of hospitalization and the hours of oxygentherapy were used like result measurement. RESULTS From the totality of the studied children 57,6% received maneuvers of chest physiotherapy and 42,4% remaining received maneuvers placebo. In the group that received chest physiotherapy the average stay in the hospital was 4,56 days (95% confidence interval [CI] 4,36-6,06) and the average time of oxygentherapy was 49,98 (95% CI 43,64-67,13) hours opposite to 4,54 days (95%CI 3,81-5,73) and 53,53 hours (95% CI 48,03-81,40) respectively in the group that did not receive chest physiotherapy. In the patients with analytical print for VRS and that received chest physiotherapy less hours of oxygen therapy were needed 48,80 hours (95% CI 42,94-55,29) opposite to 56,68 hours (95% CI 55,46-65,52) respectively, being the only one turned out as per statistics significantly (P=.042). CONCLUSIONS Results show that chest physiotherapy has not been effective in reducing hospital stay or length of oxygentherapy in patients with acute bronchiolitis, but in the positive study of children with respiratory syncytial virus in nasopharyngeal aspirate showed a reduced need hours of oxygen. hours (P=.042).
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Affiliation(s)
- M Sánchez Bayle
- Servicio de Pediatría, Hospital Infantil del Niño Jesús, Madrid, España
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González de Dios J, Ochoa Sangrador C. Conferencia de Consenso sobre bronquiolitis aguda (I): metodología y recomendaciones. An Pediatr (Barc) 2010; 72:221.e1-221.e33. [DOI: 10.1016/j.anpedi.2009.11.020] [Citation(s) in RCA: 25] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/28/2009] [Accepted: 11/30/2009] [Indexed: 01/17/2023] Open
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