The aim of the present study was to characterize endemic versus non-endemic gonorrhoea to identify risk groups for transmission and to evaluate the effects of intensified contact tracing performed by specially trained social workers at venereal clinics. A total of 671 gonorrhoea patients (283 women and 388 men) comprised the study group. Seventy percent of the women and 48% of the men had an endemic infection (P < 0.001). Men without a steady partner had an increased risk of non-endemic infection. A decrease from 75% to 40% was noted in the proportion of endemic infection in Stockholm from the first quarter of the study period (2 years) to the last. Contact tracing resulted in 1.2 identified partners per patient. A total of 736 partners were examined either as a result of contact tracing efforts or because they had sought medical care on their own prior to intervention. Forty-seven percent of these partners were infected, 44% were not infected and 9% were examined outside the study with results unknown to us. The partner notification efforts yielded 161 new untreated cases. Contact tracing of women generated one new case per 4.0 interviewed women and contact tracing of men one new case per 4.3 interviewed men. Interviewing index patients with endemic infection yielded the highest number of new cases. Forty-three percent of the patients were infected outside Stockholm but only a smaller part of these patients spread their infection further into the community.(ABSTRACT TRUNCATED AT 250 WORDS)
The antibiotic susceptibility, serovars and auxotypes were investigated in gonococcal strains isolated from all patients with gonorrhoea during one year in Stockholm, Sweden. The results were correlated to geographical origin of the infection. A total of 394 gonococcal strains were isolated from 392 patients, 135 (34%) women and 257 (66%) men. Beta-lactamase-producing gonococcal strains (PPNG) were isolated from 5% of the women and 16% of the men. Men had acquired their infection abroad more often than women (54% vs 33%) (P < 0.001). The majority (81%) of the PPNG infections were imported. Some serovars and auxotypes were more common among imported strains than among indigenous ones. All strains were sensitive to spectinomycin and 2 strains had decreased susceptibility to norfloxacin and ciprofloxacin. Decreased susceptibility to benzylpenicillin, ampicillin, doxycycline and cefuroxime was related to the geographical origin of the strains with strains imported from regions other than Europe being the most resistant.
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