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Cerebral blood flow measurement techniques in infants and children
Insights
Pediatricians need to understand cerebral blood flow techniques used in neurologic intensive care. Knowledge of these methods and their limitations is crucial for interpreting studies on critically ill children.
Area of Science:
- Neurology
- Pediatrics
- Cerebral Circulation
Background:
- Growing interest in neurologic intensive care and cerebral circulation pathophysiology.
- Numerous studies document cerebral flow alterations in various diseases and treatments.
Purpose of the Study:
- To inform pediatricians about techniques for assessing cerebral blood flow.
- To highlight the importance of understanding these methods and their limitations.
Main Methods:
- Review of techniques used to study cerebral blood flow.
- Discussion of the principles, complexities, and limitations of these techniques.
Main Results:
- Cerebral blood flow assessment techniques are complex but based on understandable principles.
- These techniques have limitations and are subject to misinterpretation.
Conclusions:
- Pediatricians must become knowledgeable about cerebral blood flow assessment techniques and their limitations.
- These techniques will likely be increasingly applied in pediatric critical care, congenital disorders, and learning disorders.
Abstract:
The tremendous growth of interest in neurologic intensive care and in the pathophysiology of the cerebral circulation in the past few years has resulted in increasing numbers of studies that document alterations in cerebral flow during the course of various diseases or as a response to treatment of them. Before pediatricians come to conclusions based on these studies, it is important to have an understanding of the techniques involved. The techniques are complex and difficult but are based on understandable principles. They also have limitations and are subject to misinterpretations. Pediatricians should become knowledgeable about some of these techniques and their limitations because it is likely that they will be applied with increasing frequency in the next several years. We are on the threshold of exciting discoveries in abnormalities of cerebral blood flow and cerebral metabolism not only in critically ill children but also in children with congenital and learning disorders.