MYCOPLASMA IN URINE COLLECTED BY SUPRAPUBIC ASPIRATION

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Abstract
The present study indicates that mycoplasmas may invade the urinary tract above the urethra. From 87 patients with signs of urinary tract infections voided urine, as well as urine collected by suprapubic aspiration from the bladder, has been cultured for Mycoplasma. Besides culture these specimens and voided urine specimens from an additional 190 patients were examined with a screening test for T‐mycoplasmas which utilizes the ability of these organisms to metabolize urea. Among the 87 patients T‐mycoplasmas were cultured from voided urine in 18 cases and Mycoplasma hominis in 9 cases. In 10 of the 18 patients (56%) T‐mycoplasmas were isolated also from urine collected by bladder puncture. In 2 of these 10 patients the cultures from the aspirated urine also yielded growth of M. hominis. T‐mycoplasmas were in no instance found on culture unless the screening test indicated that urea had been metabolized with the production of ammonia.