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Increased oxidative stress and oxidative damage associated with chronic bacterial prostatitis 被引量:15
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作者 Jun-Fu Zhou Wei-Qiang Xiao +2 位作者 Yi-Chun Zheng Jie Dong Shu-Mei Zhang 《Asian Journal of Andrology》 SCIE CAS CSCD 2006年第3期317-323,共7页
Aim: To investigate whether chronic bacterial prostatitis might increase oxidative stress and oxidative damage in chronic bacterial prostatitis patients (CBPP), and to explore its possible mechanism. Methods: Enro... Aim: To investigate whether chronic bacterial prostatitis might increase oxidative stress and oxidative damage in chronic bacterial prostatitis patients (CBPP), and to explore its possible mechanism. Methods: Enrolled in a casecontrol study were 70 randomly sampled CBPP and 70 randomly sampled healthy adult volunteers (HAV), on whom plasma nitric oxide (NO), vitamin C (VC), vitamin E (VE) and β-carotene (β-CAR) level, erythrocyte malondialdehyde (MDA) level, as well as erythrocyte superoxide dismutase (SOD), catalase (CAT) and glutathione peroxidase (GPX) activities were determined by spectrophotometry. Results: Compared with the HAV group, values of plasma NO and erythrocyte MDA in the CBPP group were significantly increased (P 〈 0.001); those of plasma VC, VE and β-CAR as well as erythrocyte SOD, CAT and GPX activities in the CBPP group were significantly decreased (P 〈 0.001). Findings from partial correlation for the 70 CBPP showed that with prolonged course of disease, values of NO and MDA were gradually increased (P 〈 0.001), and those of VC, VE, β-CAR, SOD, CAT and GPX were gradually decreased (P 〈 0.05- 0.001). The findings from stepwise regression for the 70 CBPP suggested that the model was Y= -13.2077 + 0.1894MDA + 0.0415NO - 0.1999GPX, F = 18.2047, P 〈 0.001, r = 0.6729, P 〈 0.001. Conclusion: The findings suggest that there exist increased oxidative stress and oxidative damage induced by chronic bacterial prostatitis in the patients, and such phenomenon was closely related to the course of disease. 展开更多
关键词 chronic bacterial prostatitis oxidative stress oxidative damage free radicals OXIDATION lipid peroxidation ANTIOXIDANT antioxidative enzyme nitric oxide MALONDIALDEHYDE
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Fluoroquinolone-macrolide combination therapy for chronic bacterial prostatitis: retrospective analysis of pathogen eradication rates, inflammatory findings and sexual dysfunction 被引量:13
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作者 Vittorio Magri Emanuele Montanari +5 位作者 Visnja Skerk Alemka Markotic Emanuela Marras Antonella Restelli Kurt G Naber Gianpaolo Perletti 《Asian Journal of Andrology》 SCIE CAS CSCD 2011年第6期819-827,共9页
We previously demonstrated the safety and efficacy of fluoroquinolone-macrolide combination therapy in category Ⅱ chronic bacterial prostatitis (CBP). The aim of this study is to retrospectively compare the microbi... We previously demonstrated the safety and efficacy of fluoroquinolone-macrolide combination therapy in category Ⅱ chronic bacterial prostatitis (CBP). The aim of this study is to retrospectively compare the microbiological and clinical findings of two treatment schemes for CBP based on the combination of azithromycin (500 rag, thrice-weekly) with a once-daily 500- or 750-mg dose of ciprofloxacin (Cipro-500 or Cipro-750 cohort, respectively). Combined administration of azithromycin (1500 mg week^-1) with ciprofloxacin at the rate of 750 mg day^- 1 for 4 weeks rather than at 500 mg day^- 1 for 6 weeks increased the eradication rates from 62.35% to 77.32% and the total bacteriological success from 71.76% to 85.57%. A significant decrease in pain and voiding signs/symptoms and a significant reduction in inflammatory leukocyte counts and serum prostate-specific antigen (PSA) were sustained throughout an 18-month follow-up period in both groups. Ejaculatory pain, haemospermia and premature ejaculation were significantly attenuated on microbiological eradication in both groups, but the latter subsided more promptly in the Cipro-750 cohort. In total, 59 Cipro-750 patients showed mild-to-severe erectile dysfunction (ED) at baseline, while 22 patients had no ED on microbiological eradication and throughout the follow-up period. In conclusion fluoroquinolone-macrolide therapy resulted in pathogen eradication and CBP symptom attenuation, including pain, voiding disturbances and sexual dysfunction. A once-daily 750-mg dose of ciprofloxacin for 4 weeks showed enhanced eradication rates and lower inflammatory white blood cell counts compared to the 500-mg dose for 6 weeks. Our results are open to further prospective validation. 展开更多
关键词 AZITHROMYCIN chronic bacterial prostatitis chronic pelvic pain syndrome CIPROFLOXACIN erectile dysfunction InternationalIndex of Erectile Function (IIEF) National Institutes of Health chronic prostatitis Symptom Index (NiH-CPSI)
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Safety and efficacy of levofloxacin versus ciprofloxacin for the treatment of chronic bacterial prostatitis in Chinese patients 被引量:7
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作者 Zhi-Chao Zhang Feng-Shuo Jin +3 位作者 Dong-Ming Liu Zhou-Jun Shen Ying-Hao Sun Ying-Lu Guo 《Asian Journal of Andrology》 SCIE CAS CSCD 2012年第6期870-874,共5页
Levofloxacin is a synthetic fluoroquinolone that is usually used to treat chronic bacterial prostatitis. We investigated the safety and efficacy of levofloxacin compared with ciprofloxacin for the treatment of chronic... Levofloxacin is a synthetic fluoroquinolone that is usually used to treat chronic bacterial prostatitis. We investigated the safety and efficacy of levofloxacin compared with ciprofloxacin for the treatment of chronic bacterial prostatitis in Chinese patients. This was a multicenter, open-label, randomized controlled non-inferiority trial. Four hundred and seventy-one patients with clinical symptoms/ signs were enrolled into the study, and 408 patients were microbiologically confirmed chronic bacterial prostatitis, who were randomized to either oral levofloxacin (500 mg q,d.) or ciprofloxacin (500 mg b.i^d.) for 4 weeks. Bacterial clearance rate, clinical symptoms/signs, adverse reactions and disease recurrence were assessed. The clinical symptoms and signs (including dysuria, perineal discomfort or pain) and bacteria cultures in 209 patients treated with levofloxacin and 199 patients treated with ciprofloxacin were similar. The most common bacteria were Escherichia cofiand Staphylococcus aureus. One to four weeks after the end of 4 weeks treatment, the bacterial clearance rate (86.06% vs. 60.03%; P〈O.05) and the clinical efficacy (including clinical cure and clinical improvement(93.30% vs. 71.86%; P〈0.05)) were significantly higher in the levofloxacin-treated group than in the ciprofloxacin-treated group. The microbiological recurrence rate was significantly lower in the levofloxacin-treated group than in the ciprofloxacin-treated group (4.00% vs. 19.25%; P〈0.05). Rates of adverse events and treatment-related adverse events were slightly lower in the levofloxacin-treated group than in ciprofloxacin-treated group. Levofloxacin showed some advantages over ciprofloxacin in terms of clinical efficacy and disease recurrence, with a low rate of adverse events, for the treatment of chronic bacterial prostatitis in Chinese patients. 展开更多
关键词 chronic bacterial prostatitis CIPROFLOXACIN LEVOFLOXACIN RECURRENCE
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Increased Oxidative Stress and Damage in Patients With Chronic Bacterial Prostatitis 被引量:4
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作者 JIAN-GUO LOU JIE DONG +3 位作者 Yt-CHUN ZHENG SHU-MEI ZHANG WEJ-QIANG XIAO AND JUN-FU ZHOU 《Biomedical and Environmental Sciences》 SCIE CAS CSCD 2006年第6期481-486,共6页
Objective To investigate whether chronic bacterial prostatitis (CBP) increases oxidative stress and damage in patients with CBP, and to explore its possible mechanism. Methods Eighty patients with CBP and 80 healthy... Objective To investigate whether chronic bacterial prostatitis (CBP) increases oxidative stress and damage in patients with CBP, and to explore its possible mechanism. Methods Eighty patients with CBP and 80 healthy adults as controls were enrolled in a case-control study, in which levels of nitric oxide (NO), vitamin C (VC), and vitamin E (VE) in plasma, as well as malondialdehyde (MDA), activities of superoxide dismutase (SOD), and eatalase (CAT) in erythrocytes were determined by spectrophotometry. Results Compared with the average values of NO, VC, VE, MDA, SOD, and CAT in the healthy control group, those of plasma N O and erythrocyte MDA in the CBP group were significantly increased (P〈0.00 1), and those of plasma VC and VE as well as erythrocyte SOD and CAT in the CBP group were significantly decreased (P〈0.001). Findings from partial correlation analysis for course of the disease and NO, VC, VE, MDA, SOD, and CAT in 80 patients with CBP, adjusted for age, suggested that with prolonged course of the disease, values of NO and MDA were gradually increased (P〈0.001), and those of VC, VE, SOD, and CAT were gradually decreased (P〈0.05-0.001). The findings from stepwise regression analysis for course of the disease and NO, VC, VE, MDA, SOD, and CAT in CBP group suggested that the model of stepwise regression was Y = -19.1160 +0.3112MDA + 0.0337NO, F = 22.1734, P〈0.001, r = 0.6045, P〈0.001. The findings from the reliability analysis for VC, VE, SOD, CAT, NO, and MDA in the CBP group showed that the reliability coefficients' alpha (6 items) was 0.7195, P〈0.0001, and the standardized item alpha was 0.9307, P〈0.0001. Conclusion There exist increased oxidative stress and damage induced by chronic bacterial prostatitis in patients, and such a phenomenon is closely related to the course of disease. 展开更多
关键词 chronic bacterial prostatitis Oxidative stress Oxidative damage Free radicals OXIDATION Lipid peroxidation ANTIOXIDANT Antioxidative enzyme Nitric oxide MALONDIALDEHYDE
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Chronic bacterial prostatitis and irritable bowel syndrome: effectiveness of treatment with rifaximin followed by the probiotic VSL#3 被引量:4
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作者 Enzo Vicari Sandro La Vignera +3 位作者 Roberto Castiglione Rosita A Condorelli Lucia O Vicari Aldo E Calogero 《Asian Journal of Andrology》 SCIE CAS CSCD 2014年第5期735-739,I0009,共6页
This study was undertaken to evaluate the influence of treatment with rifaximin followed by the probiotic VSL#3 versus no treatment on the progression of chronic prostatitis toward chronic microbial prostate-vesiculit... This study was undertaken to evaluate the influence of treatment with rifaximin followed by the probiotic VSL#3 versus no treatment on the progression of chronic prostatitis toward chronic microbial prostate-vesiculitis (PV) or prostate-vesiculo-epididymitis (PVE). A total of 106 selected infertile male patients with bacteriologically cured chronic bacterial prostatitis (CBP) and irritable bowel syndrome (IBS) were randomly prescribed rifaximin (200 mg, 2 tablets bid, for 7 days monthly for 12 months) and probiotic containing multiple strains VSL#3 (450 × 10^9 CFU per day) or no treatment. Ninety-five of them (89.6%) complied with the therapeutic plan and were included in this study. Group A = "6Tx/6-": treatment for the initial 6 and no treatment for the following 6 months (n = 26); Group B = "12Tx": 12 months of treatment (n = 22); Group C = "6-/6Tx": no treatment for the initial 6 months and treatment in the last 6 months (n = 23); Group D = "12-": no treatment (n = 24). The patients of Groups A = "6Tx/6-" and B = "12Tx" had the highest frequency of chronic prostatitis (88.5% and 86.4%, respectively). In contrast, group "12-": patients had the lowest frequency of prostatitis (33.4%). The progression of prostatitis into PV in groups "6Tx/6-" (15.5%) and "6-/6Tx" (13.6%) was lower than that found in the patients of group "12-" (45.8%). Finally, no patient of groups "6Tx/6-" and "6-/6Tx" had PVE, whereas it was diagnosed in 20.8% of group "12-" patients. Long-term treatment with rifaximin and the probiotic VSL#3 is effective in lowering the progression of prostatitis into more complicated forms of male accessory gland infections in infertile patients with bacteriologically cured CBP plus IBS. 展开更多
关键词 chronic bacterial prostatitis irritable bowel syndrome probiotic VSL#3 prostate-vesiculitis prostate-vesiculo-epididymitis RIFAXIMIN
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Semen analysis in chronic bacterial prostatitis: diagnostic and therapeutic implications 被引量:2
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作者 Vittorio Magri Florian M. E. Wagenlehner +6 位作者 Emanuele Montanari Emanuela Marras Viviana Orlandi Antonella Restelli Erminio Torresani Kurt G. Naber Gianpaolo Perletti 《Asian Journal of Andrology》 SCIE CAS CSCD 2009年第4期461-477,共17页
The significance and diagnostic value of semen analysis in chronic bacterial prostatitis has been extensively debated and remains controversial. To investigate the diagnostic relevance of semen culture in the bacterio... The significance and diagnostic value of semen analysis in chronic bacterial prostatitis has been extensively debated and remains controversial. To investigate the diagnostic relevance of semen culture in the bacteriological workup of prostatitis patients, we retrospectively analyzed a clinical database of 696 symptomatic patients. All patients were routinely subjected to a four-glass test, followed by semen culture and analysis. This allowed to dissect from the database three different diagnostic scenarios, and to compare the 'two-glass' pre-/post- massage test and the standard 'four-glass' test with a 'five-glass' test (four-glass plus post-VB3 semen culture). The 'five-glass' test showed 3.6- or 6.5-fold increases in relative sensitivity and lesser reductions (-13.2% or -14.7%) in relative specificity for traditional uropathogens (TUs) compared with the four-glass or two-glass test, respectively. The area under the ROC curve and Jouden's index were increased, whereas positive and negative likelihood ratios were lower than comparators, indicating that the 'five-glass' assay may be superior in confirming the negative outcome of both standard tests. The five-, four-, and two-glass tests detected TUs (Enterobacteriaceae, Enterococci, etc.) in 120, 33, and 20 patients and unusual pathogens (Streptococci, other Gram-positive species, Mycoplasmata, and others) in 130, 56, and 45 patients, respectively. When patients were subjected to pharmacological treatment, including a combination of a fluoroquinolone and a macrolide, no differences in eradication rates were observed between groups diagnosed with different tests, irrespective of pathogen category. Eradication was associated with long-term sign/symptom remission; no significant intergroup differences in sign/symptom scores were observed throughout a 24-month off-therapy follow-up period. In conclusion, our data support the usefulness of semen analysis in the diagnostic workup ofprostatitis patients when this test is used to complement the four-glass Meares and Stamey test. Improvement of microbiological assays conveys important diagnostic and therapeutic implications. 展开更多
关键词 ALFUZOSIN AZITHROMYCIN chronic bacterial prostatitis chronic pelvic pain syndrome CIPROFLOXACIN Meares and Stamey test National Institutes of Health chronic prostatitis Symptom Index prostatitis semen analysis seminal fluid Serenoa repens
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Increased oxidative stress and oxidative damage associated with chronic bacterial prostatitis
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作者 Jun-Fu Zhou~1 Wei-Qiang Xiao~1 Yi-Chun Zheng~2 Jie Dong~1 Shu-Mei Zhang~1 ~1Laboratory for Free Radical Medicine.~2Department of Urology.Second Affiliated Hospital.College of Medicine,Zhejiang University,Hangzhou 310009,China 《Asian Journal of Andrology》 SCIE CAS CSCD 2006年第A03期317-323,387,共5页
Aim:To investigate whether chronic bacterial prostatitis might increase oxidative stress and oxidative damage in chronic bacterial prostatitis patients(CBPP),and to explore its possible mechanism.Methods:Enrolled in a... Aim:To investigate whether chronic bacterial prostatitis might increase oxidative stress and oxidative damage in chronic bacterial prostatitis patients(CBPP),and to explore its possible mechanism.Methods:Enrolled in a case- control study were 70 randomly sampled CBPP and 70 randomly sampled healthy adult volunteers(HAV),on whom plasma nitric oxide(NO),vitamin C(VC),vitamin E(VE)and β-carotene(β-CAR)level,erythrocyte malondialdehyde (MDA)level,as well as erythrocyte superoxide dismutase(SOD),catalase(CAT)and glutathione peroxidase(GPX) activities were determined by spectrophotometry.Results:Compared with the HAV group,values of plasma NO and erythrocyte MDA in the CBPP group were significantly increased(P<0,001);those of plasma VC,VE and β-CAR as well as erythrocyte SOD,CAT and GPX activities in the CBPP group were significantly decreased(P<0.001).Findings from partial correlation for the 70 CBPP showed that with prolonged course of disease,values of NO and MDA were gradually increased(P<0.001),and those of VC,VE,β-CAR,SOD,CAT and GPX were gradually decreased(P<0.05- 0.001).The findings from stepwise regression for the 70 CBPP suggested that the model was Y=-13.2077 + 0.1894MDA + 0.0415NO-0.1999GPX.F=18.2047,P<0.001,r=0.6729,P<0.001.Conclusion:The findings suggest that there exist increased oxidative stress and oxidative damage reduced by chronic bacterial prostatitis in the patients,and such phenomenon was closely related to the course of disease. 展开更多
关键词 chronic bacterial prostatitis oxidative stress oxidative damage free radicals OXIDATION lipid peroxidation ANTIOXIDANT antioxidative enzyme nitric oxide MALONDIALDEHYDE
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A comparative study of two methods for establishing a chronic non‑bacterial prostatitis model in rats‑
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作者 TANG Yi-wen WANG Xiong +6 位作者 ZHOU Yan-yan CHEN Hao-te ZHANG Ze-jia WANG Zhong GAO Qing-he LIU Jian-gang GAO Zhan 《Journal of Hainan Medical University》 CAS 2023年第13期1-7,共7页
Objective:To compare the biological characteristics and stability of the chronic non-bacterial prostatitis(CNP)model in rats induced by the depot combined with estrogen induction method and the autoimmune response ind... Objective:To compare the biological characteristics and stability of the chronic non-bacterial prostatitis(CNP)model in rats induced by the depot combined with estrogen induction method and the autoimmune response induction method.Methods:The CNP rat model was prepared using the depot combined with 17β-estradiol induction method in the depot hormone group and three concentrations of prostate protein homogenate at 40 mg/mL,20 mg/mL and 10 mg/mL in the autoimmune group,respectively.The degree of prostate tissue damage was evaluated by pathology(HE staining),and the immunoturbidimetric method was used to evaluate the contents of immunoglobulins IgA,IgM and IgG.ELISA was used to evaluate interleukin-1β(IL-1β),interleukin-10(IL-10),tumor necrosis factor-α(TNF-α)and high-sensitivity-C-reactive protein(hs-CRP),and electrochemiluminescence was used to evaluate the expression level of testosterone(T),and the two model methods were compared.Results:Compared with the sham-operated group,the body mass of rats in both models was significantly lower in the depot hormone group and autoimmune group before extraction(P<0.01,P<0.01),and histopathology of the prostate in both models showed destruction of glandular structure and a significant increase in inflammatory cells.Compared with the depot hormone group and the autoimmune group,the histopathological changes and inflammatory pathological scores of prostate and the contents of immune indexes IgA,IgM and IgG were significantly different in the depot hormone group(P<0.05,P<0.05,P<0.05),and the levels of IL-1β,IL-10,TNF-α,hs-CRP and T were significantly changed in the autoimmune group(P<0.01).The comparison between the high,medium and low dose groups of the autoimmune group,in which the pathological changes in the medium dose of the autoimmune group were slightly better than the other two groups between the groups,but the changes in IL-1β,IL-10,TNF-α,hs-CRP,and T in the low dose of the autoimmune group were the most significant(P<0.05).Conclusion:The pathological tissues of the chronic non-bacterial prostatitis model established by the depot combined with estrogen induction method and the autoimmune response induction method both showed significant changes,and the comprehensive indexes indicated that the depot combined with estrogen induction method was a more appropriate modeling choice. 展开更多
关键词 chronic non‑bacterial prostatitis Debridement surgery AUTOIMMUNE Animal model RATS
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Clinical classification of chronic prostatitis:a preliminary investigation 被引量:3
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作者 Wei-Dong HUANG Pei LIU Wen-Jie HUANG Xinjiang Jiayin Andrology Hospital,Urumuqi 830006,China 《Asian Journal of Andrology》 SCIE CAS CSCD 2000年第4期311-313,共3页
Aim: To propose a practical clinical classification for the chronic prostatitis (CP). Methods: The clinical fea-tures and the findings in the expressed prostatic secretion (EPS) in 804 cases of CP patients were retros... Aim: To propose a practical clinical classification for the chronic prostatitis (CP). Methods: The clinical fea-tures and the findings in the expressed prostatic secretion (EPS) in 804 cases of CP patients were retrospectively ana-lyzed. Results: Four types of CP were identified based on the clinical manifestations and the amounts of whiteblood cells (WBC) and lecithin in EPS. They were the latent type (85 cases; 10.6%), the common type (423 cases;52.6%), the persisting type (104 cases; 12.9%), and the active type (192 cases, 23.9%). The therapeutic efficacyfor these 4 subtypes were 40.4%, 76.8%, 30.8% and 37%, respectively; a statistical difference was noticed be-tween the common type and the persisting type (P < 0.01 ). Conclusion: The method of classification proposed bythe authors may help clinicians in the diagnosis and predicting the prognosis of CP. (Asian J Androl 2000 Dec; 2:311-313) 展开更多
关键词 chronic bacterial prostatitis clinical classification curative efficacy
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