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Respiratory effects of spinal immobilization in children
R W Schafermeyer1, B M Ribbeck, J Gaskins
1Department of Emergency Medicine, Carolinas Medical Center, Charlotte, North Carolina.
Insights
Spinal immobilization significantly reduces respiratory capacity in children. Forced vital capacity (FVC) decreased with immobilization, with no difference found between cross and lateral strapping techniques.
Area of Science:
- Pediatric respiratory physiology
- Emergency medicine
- Orthopedic immobilization
Background:
- Spinal immobilization is crucial in pediatric trauma care.
- Potential respiratory compromise from immobilization is a concern.
- Understanding the impact of different strapping techniques is important.
Purpose of the Study:
- To evaluate the restrictive effects of two spinal immobilization strapping methods on healthy children's respiratory capacity.
- To compare the impact of cross straps versus lateral straps on forced vital capacity (FVC).
Main Methods:
- Prospective study design with each child serving as their own control.
- Fifty-one healthy children aged 6-15 years participated.
- Forced vital capacity (FVC) was measured in upright, supine, and immobilized positions using two strapping techniques (cross and lateral).
Main Results:
- Supine FVC was significantly lower than upright FVC (P < .001).
- Spinal immobilization reduced FVC to 41%-96% of supine measurements (mean 80% +/- 9%).
- No significant difference in FVC was observed between the cross and lateral strapping techniques (P = .83).
Conclusions:
- Spinal immobilization significantly impairs respiratory capacity in healthy children aged 6-15 years.
- Neither cross nor lateral strapping technique demonstrated a significant advantage in preserving respiratory capacity.
Study Objective:
To assess the restrictive effects of two spinal immobilization strapping techniques on the respiratory capacity of normal, healthy children.
Design:
Prospective study with each subject serving as his own control.
Participants:
Fifty-one healthy children 6 to 15 years old.
Interventions:
Participants' forced vital capacity (FVC) measurements were first obtained with children standing and lying supine and then in full spinal immobilization using two different strapping configurations, cross straps and lateral straps. Straps were tightened to allow one hand to fit snugly between the strap and child.
Measurements And Main Results:
Supine FVC was less than upright FVC (P less than .001). FVC in spinal immobilization ranged from 41% to 96% of supine FVC (80 +/- 9%). There was no difference in FVCs between strapping techniques (P = .83).
Conclusion:
Spinal immobilization significantly reduced respiratory capacity as measured by FVC in healthy patients 6 to 15 years old. There is no significant benefit of one strapping technique over the other.