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目的 研究淫羊藿苷对雌性大鼠阴道充血功能的作用.方法 15只健康成年雌性Wistar大鼠(200~250g)分为三组,5只/组,A组为生理盐水灌胃组,B组以淫羊藿苷2mg/kg灌胃给药,C组以西地那非2mg/kg灌胃给药.均间隔10min行盆神经阴道支电刺激,观察随时间变化的阴道血流变化,进行组间比较.结果 A组不同时间电刺激后阴道血流未见明显变化(P>0.05).B组于60min起电刺激后阴道血流明显升高(P<0.05),至90min阴道血流峰值达到最高点,然后开始缓慢下降,至120min回落至起始水平.C组(西地那非)40min起电刺激后阴道血流明显升高(P<0.05),至70min阴道血流峰值达到最高点,然后开始缓慢下降,至110min回落至开始水平.比较最高点阴道血流峰值,淫羊藿苷组高于西地那非组(P<0.05).结论 淫羊藿苷能够增强雌性性唤起功能大鼠模型阴道血流,增强其性唤起过程中阴道充血功能. 相似文献
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目的 探讨显微镜下输精管附睾吻合术的技术及应用价值. 方法梗阻性无精子症患者98例,平均年龄31(20~43)岁,平均梗阻时间4年.术前至少2次精液常规检查未见精子,性激素水平正常,睾丸活检证实睾丸生精功能正常.经阴囊探查发现附睾发育异常22例,输精管梗阻18例,附睾体或尾部梗阻58例.对58例附睾体尾部梗阻患者行显微镜下输精管附睾吻合术.术后3个月复查精液常规,精子密度>1×104个/ml证实为精道复通,随访至配偶怀孕. 结果58例患者术后失访8例.50例随访3~29个月,其中精液中可见精子36例,精f密度(4×104)~(2×108)个/ml,精子活力2%~70%.4例随访12个月仍无精子,建议辅助生殖.10例无精子者继续随访至少12个月.配偶自然受孕14例.术后总体复通率72%(36例),自然受孕率28%(14例),平均受孕时间为6.6(4.0~10.0)个月. 结论显微镜卜输精管附睾吻合术治疗部分梗阻性无精子患者,可提高复通率. 相似文献
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淫羊藿苷对兔阴蒂海绵体平滑肌细胞NO及NOS活性的影响 总被引:1,自引:0,他引:1
目的 探讨淫羊藿苷对体外培养的兔阴蒂海绵体平滑肌细胞一氧化氮(NO)产生及一氧化氮合酶(NOS)活性的作用效果。 方法 取兔阴蒂海绵体采用酶消化法进行平滑肌细胞体外培养,利用免疫细胞化学染色法通过检测α-actin进行细胞鉴定;利用硝酸还原酶法及NOS试剂盒测定不同浓度淫羊藿苷对阴蒂海绵体平滑肌细胞NO生成及NOS活性的影响。 结果 培养的兔阴蒂海绵体平滑肌细胞呈现典型的平滑肌细胞形态特征;淫羊藿苷浓度依赖性增强家兔阴蒂海绵体平滑肌细胞NOS活性并增加NO生成(P<0.01),且被NOS抑制剂L-硝基精氨酸(LNNA)所抑制(P<0.01)。结论 淫羊藿苷可能通过增强NOS活性而提高阴蒂海绵体平滑肌细胞NO生成,增强性刺激下阴蒂海绵体平滑肌的松弛作用而增强阴蒂胀大勃起功能。 相似文献
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目的研究局部使用改良SS-霜(Re-SS)对脊髓体感诱发电位(SSEP)的影响。方法体重2.5~3.0kg雄性新西兰大白兔40只,随机分为治疗组和安慰剂组。各组动物在阴茎局部涂抹药物前及使用后10、30和60min分别测定电刺激阴茎头诱发SSEP潜伏期(onset,N1)和波幅变化。结果使用Re-SS后30min的SSEP潜伏期(Onest)比用药前和安慰剂显著延迟(P<0.05)。使用Re-SS后各时间点的SSEP潜伏期(N1)比用药前显著延长(P<0.05),用药后30min、60min比安慰剂SSEP潜伏期(N1)延长(P<0.05)。Re-SS组SSPE振幅表现出不同程度降低,但是无显著差异(P>0.05)。结论Re-SS可降低阴茎头感觉神经兴奋性,可能有利于延迟早泄患者的射精反射,延长射精潜伏期,需要进一步的临床研究。 相似文献
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目的:评价每日小剂量他达拉非治疗骨盆骨折尿道断裂(PFUD)后勃起功能障碍(ED)的疗效。方法:2008年1月至2011年12月共有46例骨盆骨折尿道断裂后ED患者纳入观察。患者年龄25~51(33.9±7.2)岁,受伤时间3~72(19.6±12.7)个月。所有患者自诉受伤前的性功能正常。患者在未服用5型磷酸二酯酶抑制剂的情况下进行夜间勃起周径和硬度测量(NPTR)。根据NPTR检测结果将患者分为有夜间勃起异常组和无夜间勃起组。对所有患者给予每晚他达拉非10 mg治疗3个月,采用IIEF-5评分、性生活日记问题2和问题3评价治疗效果。结果:38例(82.6%)患者完成检查和治疗,8例失访。NPTR检测证实夜间勃起异常26例(68.4%),无夜间勃起12例(31.6%)。他达拉非治疗3个月后,夜间勃起异常组患者IIEF-5改善明显高于无夜间勃起组(P<0.05),夜间勃起异常组患者对SEP2和SEP3回答"是"的比例明显高于无夜间勃起组(76.9%vs41.7%,65.4%vs 25.0%,P<0.05)。结论:每日小剂量他达拉非可有效改善PFUD后ED患者的勃起功能,有夜间勃起的患者治疗效果更明显。 相似文献
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目的研究CKLFSF2小鼠同源序列cklfsf26基因在睾丸组织发育中的表达和定位,为其功能研究做出提示。方法利用RT-PCR方法检测cklfsf26基因在不同周龄小鼠睾丸组织中的表达情况;制备cklfsf2b多克隆抗体,利用免疫组织化学方法,检测cklfsf2b蛋白在小鼠睾丸组织中的表达定位。结果cklfsf2bmRNA在出生后第2周内出现,表达量逐渐增加,在成年前即达高峰并持续表达。cklfsf2b蛋白特异性的表达于睾丸Leydig细胞和Sertoli细胞,阳性信号均位于胞质内。结论cklfsf2b基因存在发育的表达调控,随着睾丸发育的日趋成熟,表达量逐渐增加:在Leydig细胞和Sertoli细胞的特异性表达表明其在睾酮合成和精子发生中均可能发挥作用,但其具体功能还需深入研究。 相似文献
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Humanacellular dermal matrix (HADM) is widely used in the field of burn wound repair and tissue engineering plastic surgery. HADM is manufactored by physical and chemical decellular process to remove the antigenic components that might cause immune rejection in dermis.The extracellular matrix of three-dimensional cell scaffold structure with collagen fibers had been used for wound repair and tissue regeneration, while HADM characterized with low absorption rate after implantation and strong ability to induce angiogenesis in host tissue. Studies reported that after the HADM was implanted into the patient, the host cells, such as fibroblasts and myofibroblasts, as well as lymphocytes, macrophages, granulocytes and mast cells, rapidly infiltrated the graft. The connective tissue and neovascularization were then formed within the HADM three-dimensional cell scaffold, the lymphatic system also appears after vascular reconstruction. Traditional urethral reconstruction using autologous skin flaps has some defects, such as complexity of the technology, risk of necrosis of the skin flaps after transplantation, and failure to achieve functional repair of the urethral epithelium. It has been reported that using HADM to reconstruct the urethra in patients with urethral stricture, hypospadias and bladder-vaginal fistula, showed promising results. Others have reported the experience of using HADM to repair and reconstruct congenital classic bladder exstrophy. HADM has also been used for tissue repair in patients with penile skin defect caused by Fonier’s gangrene and hidradenitis suppurativa, and implanted under Bucks’ fascia to enlarge the penis. The report of HADM implantation for treating premature ejaculation also deserves attention. Researchers found that HADM implantation can form a tissue barrier between the skin and corpus cavernosum, which can effectively reduce penile sensitivity and treat premature ejaculation. The safety and effectiveness of HADM implantation in the treatment of premature ejaculation need to be further standardized by data from multi-center, large-sample clinical studies. In summary, HADM is the extracellular matrix and three-dimensional cell scaffold of human dermis. As a new type of tissue repair material, new blood vessels are formed actively after implantation, which shows good histocompatibility. HADM has shown increasingly broad application prospects in treatment of genitourinary diseases including penis, urethra and bladder diseases. HADM has also been used in the treatment of premature ejaculation in recent clinical studies, and its long-term safety and efficacy need to be further investigated. 相似文献
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目的:总结药物联合视听觉刺激诱导阴茎勃起硬度监测1896例检查结果,比较无相关伴随疾病者与有相关伴随疾病者的结果差异。方法:本组1896例,年龄18~72岁,平均41.3岁,病史2个月~23年,21例无性生活历史。无相关伴随疾病者1067例(I组),有相关伴随疾病者829例(II组)。操作方法:口服西地那非100mg,60min后,以阴茎硬度测试仪(Rigiscan Plus)测试平静状态下阴茎头部及根部基线值。利用辅助眼镜式影像视听觉性刺激仪,监测阴茎勃起状态1h。阴茎头部及根部硬度≥70%,膨胀周径≥20mm,持续时间≥15min为有效勃起;硬度≥40%,膨胀周径≥10mm,持续时间≥10min为部分勃起;其余为无效勃起。结果:全部受试者共检出有效勃起1131例,构成比为1131/1896(59.6%);部分勃起为495例,构成比为495/1896(26.1%);无效勃起270例,构成比为270/1896(14.3%)。I组中:有效勃起为786例,构成比为786/1067(73.7%);部分勃起198例,构成比为198/1067(18.6%);无效勃起83例,构成比为83/1067(7.7%)。II组中:有效勃起为345例,构成比为345/829(41.6%);部分勃起297例,构成比为297/829(35.8%);无效勃起187例,构成比为187/829(22.6%)。卡方检验结果为:Ⅰ组有效勃起明显高于Ⅱ组;Ⅱ组部分勃起和无效勃起明显高于Ⅰ组。结论:既往健康者有效勃起明显高于有相关伴随疾病者,提示有相关伴随疾病者比既往健康者易于发生勃起功能障碍。 相似文献