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April 1985

Hemophilus influenzae in Urine

Arch Intern Med. 1985;145(4):765. doi:10.1001/archinte.1985.00360040205054

To the Editor.  —We thank Dr Maskell for her thoughtful comments on our article,2 and are gratified to see that other laboratories have had experiences similar to ours. Because of our findings, we have begun a one-year trial of plating all urine cultures on chocolate agar (in addition to blood and MacConkey media). After six months we had not isolated any further Hemophilus species. We have, however, isolated Gardnerella vaginalis from voided specimens of 12 men. These patients are currently undergoing further diagnostic evaluation to delineate the anatomic location and clinical significance of G vaginalis urinary tract infections. We have not attempted isolation of anaerobic organisms, since this would require suprapubic aspiration. Further, we do not hold specimens for 48 hours except when the Gram stain shows pyuria or bacteriuria, but the culture is negative after 24 hours. Finally, we have not generally employed special media for urine cultures,

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