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 Toxicología al día: Caution to parents and health care professionals about the use of general anesthetics in children

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An anesthesiologist (Foto: nlm.nih.gov)

Anesthetics could have long-term impact on children's brains.sciencedaily.com. February 26, 2015. Summary: A group of anesthesiologists and toxicologists today issued a caution to parents and health care professionals about the use of general anesthetics in children.
Anesthesiologists and toxicologists are issuing a caution to parents and health care professionals about the use of general anesthetics in children. Each year millions of infants, toddlers and preschool children require anesthesia or sedation for various procedures. The University of Toronto's Professor Beverley Orser and a team of anesthesiology investigators and toxicologists have analyzed existing animal and human studies for the impact of anesthetics on the developing brain. Animal studies provided evidence of brain injury and long-term behavioral deficits.


Patient in operating room (stock image).Credit: © dacasdo / Fotolia
Previous observational studies of children suggested a correlation between children who had received anesthetics and long-term cognitive impairments such as learning disabilities. Children between the ages of one and three appeared to be at a higher risk of adverse effects.

The clinical studies had many serious limitations that prevented Orser and the team from determining whether anesthetics caused the impairment in children. For example, other factors such as trauma from surgery or pre-existing conditions could contribute to the behavioral deficits. Nevertheless, the group determined there's enough evidence to suggest the need for specific clinical research.

"Anesthetics are generally assumed to be safe for children, and are important for conducting life- saving or other essential procedures. However, our analysis of the available data raised some red flags," said Orser, a professor in the departments of anesthesia and physiology, and anesthesiologist at Sunnybrook Health Sciences Centre.

"The next step is to start targeted large clinical trials. That's the only way we can determine if or how these drugs are having an impact on a child's developing brain."

A consensus statement developed by the experts recommends avoiding anesthetics for children three years and under unless they are needed for surgeries that will lead to better outcomes.

"Early interventions through surgical procedures can help children lead healthier lives in the long run, depending on a child's case," said Orser. "Anesthetics are administered by highly trained medical professionals who make decisions about anesthesia and surgery very carefully."

Orser suggests parents who are concerned talk to their child's physicians about the risks and benefits associated with anesthesia.

The SmartTots program, a partnership of the International Anesthesia Research Society and the U.S. Food and Drug Administration, is bringing together a group of international experts who are designing and executing clinical trials and preclinical studies to test the impact of anesthetic drugs on developing brains, and exploring safer strategies to reduce anesthetic injury if needed.

A related article was published February 26 in the New England Journal of Medicine.


Journal Reference: Bob A. Rappaport, Santhanam Suresh, Sharon Hertz, Alex S. Evers, Beverley A. Orser. Anesthetic Neurotoxicity — Clinical Implications of Animal Models. New England Journal of Medicine, 2015; 372 (9): 796 DOI: 10.1056/NEJMp1414786

Enviado por jcp el 02 marzo 2015 00:00:00 (443 Lecturas)






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