Studies on the permeability of drugs through vesical wall. The fifth report: experiences with intravesical formalin administration

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膀胱内に注入したホルマリンについて,その血清への移行を検討した.ウサギ正常膀胱からはホルマリンは血清にほとんど移行しない.薬物により膀胱炎を起させたウサギの膀胱に,ホルマリンを注入すると血清中に移行するが,その移行のしかたは膀胱炎の起し方により異なる.移行するホルマリンの量は,注入したホルマリンの量や濃度と平行しないWhen some drug is injected into the bladder, it has been found to permeate through the bladder wall, and appear in the serum. Similarly, formaldehyde, which is in some clinical cases injected into the bladder on hemostatic purposes, could produce side effects if a large part of its injected dose is transferred into the serum. We, therefore measured the transfer of the agent into the serum in both experimental animals and human patients. Formaldehyde was found to be transferred into the serum through the bladder of rabbits with cystitis, but only a trace of it appeared in the serum through the normal bladder. The injection of 10 ml of a 10% solution of formaldehyde to rabbits with cystitis was followed by a peak level of 8 gamma/ml in the serum. Judging from this level, the same amount injected to humans would not be high enough to cause any particular problems. In the actual study, the formaldehyde level in the serum of human patients was not detectable by the assay method used.
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Studies on the permeability of drugs through vesical wall. The fifth report: experiences with intravesical formalin administration

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