FARMACOCINETICS OF THE NEW B-LACTAM ANTIBIOTICS IN PROSTATIC TISSUE
Abstract
IN FIFTY-ONE (51) PATIENTS, WHO WERE OPERATED FOR PROSTATIC HYPERPLASIA, WAS STUDIED THE DRUG MOBILITY AND THE NORMS OF CONCENTRATION IN PROSTATIC TISSUE AND IN BLOOD PLASMA OF THE TREE (3) B-LACTAM ANTIBIOTICS (CEFTRIAXONE-CEFTAZIDIME- CEFORANIDE). THE LEVELS OF THE DRUGS USED, WERE MEASURED IN BLOOD PLASMA ANDPROSTATIC TISSUE IN TWO SPECIMENS, ONE OF THE PROSTATIC TISSUE CENTER AND ONE OF THE DISTRICT. ALL THREE ANTIBIOTICS WERE GIVEN IN DOSES OF 2 GR INTRAVENOUSLY IN THE BEGINNING OF THE OPERATION. THE RESULTS SHOWED US THAT ALL THREEANTIBIOTICS PRESENT A SATISFACTORY CONCENTRATION IN THE PROSTATIC TISSUE. THE ABSORPTION INDICATOR (A.I.) WAS IN CEFORANIDE: M=11,92+-1,03, IN CEFTRIAXONE: M =9,66+-0,71 AND IN CEFTARIDIME: M=7,74+-0,47. THE LEVELS IN ALL THREE DRUGS IN THE SERUM AND IN THE PROSTATIC TISSUE WERE MUCH HIGHER THAN THE RELEVANT MINIMAL INHIBITORS CONCENTRATION (M.I.C.). THE STUDY'S RESULTS CONFIRM THE PREVENTIONAL USE OF B-LACTAME IN THE PROSTATIC SURGERY.
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