Syphilis,caused by Treponema pallidum subsp pallidum(T.pallidum),is a chronic,systemic human disease transmitted through sexual contact.The incidence and prevalence of syphilis is still high in China.[1]To guide the p...Syphilis,caused by Treponema pallidum subsp pallidum(T.pallidum),is a chronic,systemic human disease transmitted through sexual contact.The incidence and prevalence of syphilis is still high in China.[1]To guide the prevention measures and management of this disease,we renew the guidelines on diagnosis and treatment of syphilis[Supplementary file,http://links.lww.com/CM9/A292].Manifestations and diagnosis of all stages of syphilis are presented in Table 1,and management in Table 2.展开更多
Objective Although azithromycin is effective against Treponema pallidum (T.pallidum),the causative agent of syphilis,recent reports indicate that the prevalence of azithromycin resistance in China is very high,which m...Objective Although azithromycin is effective against Treponema pallidum (T.pallidum),the causative agent of syphilis,recent reports indicate that the prevalence of azithromycin resistance in China is very high,which may result in the failure of treatment.In this study,we aimed to investigate the association between azithromycin resistance and therapeutic outcomes in early syphilis patients.Methods Between February 2010 and December 2014,patients aged 18-65 years with early syphilis were enrolled.T.pallidum DNA were extracted to test the presence of A2058G and A2059G mutations.Then,eligible patients were randomly assigned to receive oral azithromycin (0.5 g,once daily for 15 days) or intramuscular BPG (2.4 million units,once weekly for 3 weeks).All patients were followed up in 2 weeks and 3,6,9,and 12 months after treatment to collect demographic and clinical characteristics and laboratory results.The differences on serological response,serological failure and serofast rate were compared between the two groups by Chi-square test.Results Among the 187 T.pallidum-infected patients enrolled,172 (92.0%) cases had a mutation associated with azithromycin resistance (A2058G,153 cases;A2059G,19 cases).During the 5-year study period,the percentage of cases enrolled with these mutations steadily increased,from 90.9% in 2010 to 95.3% in 2014.Of the 172 patients presenting with these mutations,only 78 (45.3%;all benzathine penicillin G [BPG]-treated) obtained a serological response to treatment;32.6% and 22.1% of patients presented with serological failure and serofast results,respectively.For azithromycin-treated cases,66.3% and 33.7% had serological failure and serofast results,respectively,in contrast with 1.1% and 11.3% of BPG-treated cases.However,among the A2058G-and A2059G-negative patients,the serological response rates between the two treatment groups were similar.In multivariate analyses,patients with lower rapid plasma reagin (RPR) titers (RPR,≤ 1 ∶ 8;odds ratio [OR],0.23;95% confidence interval [CI],0.09-0.37) or who received azithromycin treatment (OR,121.50;95% CI,35.38-386.17) were more likely to display serological failure and serofast results.Conclusion This prospective study found that the 23S rRNA A2058G and A2059G point mutations in T.pallidum are currently circulating with high frequency in China,suggesting a correlation between the high prevalence of macrolide resistance and a lower serolo gical response rate to azithromycin treatment.展开更多
Gonorrhea is one of the main sexually transmitted diseases in China.It mainly affects the genitourinary tract,and its clinical manifestations vary from asymptomatic to complicated types.The diagnosis of gonorrhea shou...Gonorrhea is one of the main sexually transmitted diseases in China.It mainly affects the genitourinary tract,and its clinical manifestations vary from asymptomatic to complicated types.The diagnosis of gonorrhea should be based on the patient's epidemiologicai history,clinical manifestations,and laboratory examination results.Treatment should be prompt and standardized and should involve the recommended treatment regimens.Patients should be appropriately followed up after treatment.The antimicrobial resistance of gonococcal isolates has become a severe problem of clinical concern.In order to provide technical guidance of the diagnosis and treatment of gonorrhea for health care workers,the authors developed the guidelines based on the version of 2014,which will be of important in the standardizing medical care of gonorrhea,and further facilitating control and prevention of the disease.展开更多
基金the Union Innovation Team Project of the Chinese Academy of Medical Sciences(No.2016-I2M-3021)the National Natural Science Foundation of China(Nos.81772209,81601804).
文摘Syphilis,caused by Treponema pallidum subsp pallidum(T.pallidum),is a chronic,systemic human disease transmitted through sexual contact.The incidence and prevalence of syphilis is still high in China.[1]To guide the prevention measures and management of this disease,we renew the guidelines on diagnosis and treatment of syphilis[Supplementary file,http://links.lww.com/CM9/A292].Manifestations and diagnosis of all stages of syphilis are presented in Table 1,and management in Table 2.
基金the Mega Project of China National Science Research for the 11th Five-year Plan(2008ZX10001-005)Natural Science Foundation of Jiangsu Province of China(BK20150121)+1 种基金National Natural Science Foundation of China(81601804,8177220)the Union Innovation Team Project of Chinese Academy of Medical Sciences(No.2016-I2M-3021).
文摘Objective Although azithromycin is effective against Treponema pallidum (T.pallidum),the causative agent of syphilis,recent reports indicate that the prevalence of azithromycin resistance in China is very high,which may result in the failure of treatment.In this study,we aimed to investigate the association between azithromycin resistance and therapeutic outcomes in early syphilis patients.Methods Between February 2010 and December 2014,patients aged 18-65 years with early syphilis were enrolled.T.pallidum DNA were extracted to test the presence of A2058G and A2059G mutations.Then,eligible patients were randomly assigned to receive oral azithromycin (0.5 g,once daily for 15 days) or intramuscular BPG (2.4 million units,once weekly for 3 weeks).All patients were followed up in 2 weeks and 3,6,9,and 12 months after treatment to collect demographic and clinical characteristics and laboratory results.The differences on serological response,serological failure and serofast rate were compared between the two groups by Chi-square test.Results Among the 187 T.pallidum-infected patients enrolled,172 (92.0%) cases had a mutation associated with azithromycin resistance (A2058G,153 cases;A2059G,19 cases).During the 5-year study period,the percentage of cases enrolled with these mutations steadily increased,from 90.9% in 2010 to 95.3% in 2014.Of the 172 patients presenting with these mutations,only 78 (45.3%;all benzathine penicillin G [BPG]-treated) obtained a serological response to treatment;32.6% and 22.1% of patients presented with serological failure and serofast results,respectively.For azithromycin-treated cases,66.3% and 33.7% had serological failure and serofast results,respectively,in contrast with 1.1% and 11.3% of BPG-treated cases.However,among the A2058G-and A2059G-negative patients,the serological response rates between the two treatment groups were similar.In multivariate analyses,patients with lower rapid plasma reagin (RPR) titers (RPR,≤ 1 ∶ 8;odds ratio [OR],0.23;95% confidence interval [CI],0.09-0.37) or who received azithromycin treatment (OR,121.50;95% CI,35.38-386.17) were more likely to display serological failure and serofast results.Conclusion This prospective study found that the 23S rRNA A2058G and A2059G point mutations in T.pallidum are currently circulating with high frequency in China,suggesting a correlation between the high prevalence of macrolide resistance and a lower serolo gical response rate to azithromycin treatment.
基金This study was supported by the Union Innovation Project of the Chinese Academy of Medical Sciences(No.2016-I2M-3021)the National Natural Science Foundation of China(No.81772209 and No.81601804).
文摘Gonorrhea is one of the main sexually transmitted diseases in China.It mainly affects the genitourinary tract,and its clinical manifestations vary from asymptomatic to complicated types.The diagnosis of gonorrhea should be based on the patient's epidemiologicai history,clinical manifestations,and laboratory examination results.Treatment should be prompt and standardized and should involve the recommended treatment regimens.Patients should be appropriately followed up after treatment.The antimicrobial resistance of gonococcal isolates has become a severe problem of clinical concern.In order to provide technical guidance of the diagnosis and treatment of gonorrhea for health care workers,the authors developed the guidelines based on the version of 2014,which will be of important in the standardizing medical care of gonorrhea,and further facilitating control and prevention of the disease.