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Chest radiograph in acute respiratory infections in children
1School of Child and Adolescent Health, ICH Building, Red Cross Children's Hospital, Klipfontein Road, Rondebosch, Cape Town, South Africa, 7700. swingler@ich.uct.ac.za
Insights
Chest radiography does not improve outcomes for children with acute lower respiratory infections. This study found no evidence of benefit, but potential risks and costs should be considered.
Area of Science:
- Pediatric Medicine
- Radiology
- Infectious Diseases
Background:
- Chest radiography is frequently used for pediatric acute lower respiratory infections.
- The clinical benefits of this diagnostic imaging technique remain unclear.
Purpose of the Study:
- To evaluate the effectiveness of chest radiography in managing children diagnosed with acute lower respiratory infections.
Main Methods:
- Systematic review of randomized and quasi-randomized controlled trials.
- Searches included CENTRAL, MEDLINE, and EMBASE databases up to 2004/2005.
- Data extraction and quality assessment were performed by a single reviewer.
Main Results:
- One trial involving 522 ambulatory children (2 months to 5 years) was included.
- No significant differences were observed in recovery rates, subsequent hospital visits, or hospital admissions between radiography and control groups.
- No deaths were reported in either group.
Conclusions:
- Current evidence does not support the use of chest radiography for improving outcomes in ambulatory children with acute lower respiratory infection.
- The potential benefits of radiography must be weighed against its associated hazards and costs.
- Findings are specific to ambulatory pediatric populations.
Background:
Chest radiography is widely used in children with acute lower respiratory infections, but the benefits are unknown.
Objectives:
To assess the effects of chest radiography for children with acute lower respiratory infections.
Search Strategy:
The searches were updated in November 2004. We searched the Cochrane Central Register of Controlled Trials (CENTRAL) (The Cochrane Library Issue 1, 2005), MEDLINE (1966 to February, Week 1 2005) and EMBASE (January 1990 to September 2004). We contacted experts in the fields of acute respiratory infections and paediatric radiology to locate additional studies.
Selection Criteria:
Randomised or quasi-randomised trials of chest radiography in children with acute respiratory infections.
Data Collection And Analysis:
One reviewer extracted data and assessed trial quality.
Main Results:
We identified only one trial of 522 participants, which was performed by the review authors. The participants were ambulatory children aged two months to five years. Forty-six per cent of both radiography and control participants had recovered by seven days (odds ratio (OR) 1.03, 95% confidence interval (CI) 0.64 to 1.64). Thirty-three per cent of radiography participants and 32% of control participants made a subsequent hospital visit within four weeks (OR 1.02, 95% CI 0.71 to 1.48). Three per cent of both radiography and control participants were subsequently admitted to hospital within four weeks (OR 1.02, 95% CI 0.40 to 2.60). There were no deaths in either group.
Authors' Conclusions:
There is no evidence that chest radiography improves outcome in ambulatory children with acute lower respiratory infection. The findings do not exclude a potential effect of radiography, but the potential benefit needs to be balanced against the hazards and expense of chest radiography. The findings apply to ambulatory children only.
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