PubMed · 8233945
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A Mitchell. Cot death. Tragic statistics.. https://pubmed.ncbi.nlm.nih.gov/8233945/
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The Health Council of the Netherlands in 1997 issued a report updating the guidelines for maximum acceptable exposure to radiofrequency electromagnetic fields formulated in 1975. The new recommendations are based on thermal effects for frequencies over 10 MHz. The committee considers the results of studies indicating non-thermal effects such as direct damage to DNA, not reliable enough to be used in setting exposure limits. Electromagnetic interference by electromagnetic fields generated by hand-held telephones may indirectly result in threats to health if vital medical equipment is affected. The committee advises people wearing an implanted pacemaker not to carry a portable telephone that is in stand-by mode in close proximity to the pacemaker; a minimum distance of 15 cm should be observed.
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Perioperative heat loss is a potentially serious complication of surgery in infants. The influence of laparoscopic surgery on perioperative hypothermia has not previously been documented. We reviewed heat loss in 26 infants undergoing laparoscopic pyloromyotomies compared with 42 control patients having the standard open procedure over the same time period. The mean fall in temperature in the laparoscopic group was -0.69 degreesC compared with -0.47 degreesC in the open group. This difference was not significant, with a P value of 0.077. This may reflect the small sample size and the relatively short duration of this procedure with few instrument changes. There was a trend for increased heat loss in the laparoscopic group, which might have implications for longer and more complex laparoscopic procedures in infants.