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Acta Med Croatica. 1994;48(3):105-9.

Prostatitis in benign prostatic hyperplasia: a histological, bacteriological and clinical study.

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Department of Urology, Zagreb General Hospital, Croatia.


The paper deals with the incidence of prostatitis in benign prostatic hyperplasia (BPH) and its effect on the postoperative course in the patients subject to the transvesical prostatectomy. The samples of urine and expressed prostatic secretion were bacteriologically analysed before the operation, and samples of urine on three occasions following the operation. Specimens of BPH tissue obtained by surgery were subjected to pathohistological and microbiological examination. The incidence of prostatitis was found to be 90.3%. In the specimens of BPH tissue obtained by transversal prostatectomy, Gram-positive microorganisms were isolated in 32.8% of the tissue. In particular, Staphylococcus epidermidis was found in 26.6% of BPH tissue. Gram-negative microorganisms were isolated in 30.8% of BPH tissue, and fungi in 2.9%. In 27.9% of BPH tissue a microorganism could not be isolated although pathohistological examination evidenced prostatitis. Therefore, in these cases etiology remained unclear. Patients with Gram-negative prostatitis had the highest number of complications and the longest period of postoperative hospitalization. Preoperative and postoperative antibiotic therapy reduced the incidence of postoperative complications and shortened the period of hospitalization in the patients with significant Gram-negative bacteriuria before operation, that is, in the patients with Gram-negative prostatitis in BPH.

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