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A total of 1,442 patients with symptoms of chronic prostatitis were examined over a 4-year period at the Outpatient Department for Urogenital Infections, University Hospital for Infectious Diseases Dr. Fran Mihaljević, Zagreb, Croatia. The inclusion criteria for chronic prostatitis caused by Ureaplasma urealyticum were the presence of clinical symptoms, presence of U. urealyticum in expressed prostatic secretion (EPS) or voided urine collected immediately after prostatic massage (VB₃), absence of U. urealyticum in urethral swabs and absence of other possible pathogens of chronic prostatitis in EPS or VB₃. A total of 63 patients with prostate infection caused by U. urealyticum were available for this pilot study. The patients were randomized according to a computer randomization list to receive a total dose of 4.5 g of azithromycin given as a 3-day therapy of 1 × 500 mg weekly for 3 weeks or doxycyline 100 mg b.i.d. for 21 days. Patients’ sexual partners were treated at the same time. Clinical efficacy and tolerability of the administered drug as well as possible adverse events were evaluated during, at the end and 4–6 weeks after completion of therapy. Bacteriological efficacy was evaluated 4–6 weeks after completion of therapy. Treatment groups did not differ regarding age, distribution of urethral, prostatic, sexual and other symptoms, or digitorectal prostatic examination. Five patients treated with doxycycline had nausea. In the group of patients with prostate infection caused by U. urealyticum, the eradication rate was not significantly different with regard to the administered azithromycin (25/32) or doxycycline (23/31). Clinical cure did not significantly differ with regard to the administered azithromycin (22/32) or doxycycline (21/31).

To investigate the association between eradication of Chlamydia trachomatis (CT) and symptom regression in chronic prostatitis, 55 symptomatic patients were subjected to segmented tests to localise CT in first voided urine (VB1), prostatic secretions (EPS), post-massage voided (VB3) or semen specimens. Patients were divided in three treatment groups: the 'urethral involvement' group ('U': VB1 positive, EPS/VB3/Semen negative) was treated with 500 mg day(-1) azithromycin for 3 days. The 'prostatitis' group ('P': VB1 negative, EPS/VB3/semen positive) with 4-week levofloxacin-azithromycin combination. A third group, 'U+P' (VB1, EPS/VB3/semen positive) received both treatments in sequence. In P patients, eradication of CT was paralleled by marked, sustained symptom improvement and by significant decrease of serum prostate-specific antigen (PSA) levels. Compared with U patients, undergoing rapid regression of symptoms related to painful micturition after short-term azithromycin, U+P patients showed symptom and pathogen persistence in VB3/EPS/semen and required additional treatment with 4-week levofloxacin-azithromycin to achieve pathogen eradication, symptom regression, and decrease of PSA. Our results support a causative role of CT in chronic bacterial prostatitis. In the presence of a positive urethral localisation of the pathogen, thorough microbiological investigation together with focused symptom analysis may reveal an underlying chlamydial prostatitis and direct effective therapy with appropriate antibacterial agents.

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SummaryBackgroundThe aim of this study was to investigate the incidence and type of ECG changes in patients with leptospirosis regardless of clinical evidence of cardiac involvement.Material/MethodsA total of 97 patients with serologically confirmed leptospirosis treated at the University Hospital for Infectious Diseases „Dr. Fran Mihaljević‟ in Zagreb, Croatia, were included in this retrospective study. A 12-lead resting ECG was routinely performed in the first 2 days after hospital admission. Thorough past and current medical history was obtained, and careful physical examination and laboratory tests were performed.ResultsAbnormal ECG findings were found in 56 of 97 (58%) patients. Patients with abnormal ECG had significantly elevated values of bilirubin and alanine aminotransferase, lower values of potassium and lower number of platelets, as well as more frequently recorded abnormal chest x-ray. Non-specific ventricular repolarization disturbances were the most common abnormal ECG finding. Other recorded ECG abnormalities were sinus tachycardia, right branch conduction disturbances, low voltage of the QRS complex in standard limb leads, supraventricular and ventricular extrasystoles, intraventricular conduction disturbances, atrioventricular block first-degree and atrial fibrillation. Myopericarditis was identified in 4 patients. Regardless of ECG changes, the most commonly detected infection was with Leptospira interrogans serovar Australis, Leptospira interrogans serovar Saxkoebing and Leptospira kirschneri serovar Grippotyphosa.ConclusionsThe ECG abnormalities are common at the beginning of disease and are possibly caused by the direct effect of leptospires or are the non-specific result of a febrile infection and metabolic and electrolyte abnormalities. New studies are required for better understanding of the mechanism of ECG alterations in leptospirosis.

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