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Does sedation influence cardiac magnetic resonance duration for children?
Marcelo Felipe Kozak1, Masoud Shariat2, Ana Carolina Leiroz Ferreira Botelho Maisano Kozak1
1Pediatric Cardiology Division, Instituto de Cardiologia do Distrito Federal, Fundação Universitária de Cardiologia, Brasília, Distrito Federal, Brazil.
Insights
Sedation did not significantly impact cardiac MRI scan time in children. However, sedated children spent slightly longer in the MRI room, and single ventricle diagnoses increased room time.
Area of Science:
- Pediatric Cardiology
- Medical Imaging
- Radiology
Background:
- Cardiac magnetic resonance (CMR) imaging is crucial for diagnosing and monitoring pediatric heart conditions.
- Optimizing CMR scan and room times is essential for patient comfort and efficient healthcare delivery.
- The impact of sedation on CMR efficiency in pediatric populations requires further investigation.
Purpose of the Study:
- To compare cardiac magnetic resonance (CMR) scan time and room time between sedated and non-sedated children.
- To identify factors influencing CMR scan and room times in pediatric patients.
Main Methods:
- A cohort study was conducted at a tertiary-care CMR facility.
- Scan and room times were compared between sedated (n=74) and non-sedated (n=66) pediatric patients.
- Factors analyzed included gender, age, weight, height, body surface area, number of sequences, and diagnosis.
Main Results:
- No significant difference was found in CMR scan time between sedated and non-sedated children (47.2 vs 43.9 min, p=0.2).
- Sedated children had a slightly longer room time (57.6 vs 52.2 min, p<0.05).
- The number of sequences correlated with scan time (r=0.75), and single ventricle diagnosis was associated with increased room time (r=0.26).
Conclusions:
- Sedation did not influence CMR scan time but was associated with a modest increase in room time.
- Single ventricle diagnosis significantly increased room time.
- The number of imaging sequences is the primary determinant of CMR scan duration.
Purpose:
The aims of our study were to compare cardiac magnetic resonance (CMR) scan time (time elapsed between first and last acquired sequence) and room time (time elapsed between patients' entrance and exit of the MRI room) between sedated and non-sedated children and to assess the contributing factors.
Methods:
It is a cohort study performed at a CMR facility in a tertiary-care center. We compared scan time and room time between sedated and non-sedated children and assessed the influence of gender, age, weight, height, body surface area, number of sequences, and patients' diagnosis/previous procedures.
Results:
We included 140 children (74 sedated and 66 non-sedated), age 7.6 years (3-12) and body surface area 0.83 m2 (0.57-1.25). The most common diagnosis/previous procedures were repaired tetralogy of Fallot, cardiomyopathies and single ventricle. Number of sequences: 18 (16-22). Scan time: 42 min (35-54.2); room time: 53 min (46-63). There was difference in room time between sedated and non-sedated children (57.6 ± 13.6 vs 52.2 ± 15 min, p < 0.05), but not in scan time (47.2 ± 14.1 vs 43.9 ± 16 min, p 0.2). The only factor associated with scan time was the number of sequences (r 0.75, p < 0.001). The only factor associated with room time was single ventricle as indication (r 0.26, p 0.007).
Conclusions:
Sedated children spent 5 more minutes in the CMR room than non-sedated children. Single ventricle was associated with increased room time. Number of sequences correlated with scan time. Sedation did not influence these times.
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