Abstract
The report relates to the occurrence of casts in the urine following operation under magnesium sulphate-ether anesthesia, in a series of five cases observed by Drs. Meltzer and Peck at the Roosevelt Hospital.
Three cases showed hyaline casts in the urine which disappeared after 48 hours and did not reappear. One of the three showed a faint trace of albumin; the other two, no albumin.
Two cases showed hyaline and granular casts and a trace of albumin, one persisting for six days, one for two days or more, being normal on the fifth day.
None of the cases showed any later evidence of kidney irritation. In all of the cases magnesium could be demonstrated in the urine for several days. In none of the cases were casts present in the urine before operation.
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