urinary tract infection

尿路感染
  • 文章类型: Journal Article
    背景:尿路感染(UTI)在其一生中影响所有女性的近三分之二,并且许多经历复发性感染。有来自多个国际协会的基于证据的评估和治疗指南;然而,最近基于索赔的分析表明,这些指南的依从性很差。本研究旨在了解美国初级保健提供者(PCP)在为UTI和复发性UTI(rUTI)提供基于指南的护理方面遇到的障碍。
    方法:18个PCP的半结构化访谈,从大洛杉矶地区招募的,检查了UTI/rUTI发作的真实世界临床管理,决定参考亚专科护理,和资源指导咨询和管理。扎根理论方法可用于分析访谈笔录并确定初步和主要主题。
    结果:参与者表示希望获得每次膀胱炎发作的尿液培养物,但由于患者的要求或护理障碍而感到有压力做出妥协。如果患者有rUTI病史,PCP的经验性治疗阈值较低,年纪大了,或拒绝评估。实验室数据在临床决策中的利用最少:在解释培养数据时很少考虑尿液分析。PCP治疗广泛的泌尿系统和非泌尿系统症状作为UTI,即使是负面文化。PCP在开始UTI预防时感觉不舒服,而是寻求解剖原因的专家评估。他们不知道管理指南,通常使用UpToDate®作为其主要资源。提供者很少推荐基于证据的UTI预防干预措施。
    结论:简洁清晰的专业指南的低可用性是适当UTI/rUTI护理的重大障碍。临床指导文件的可用性差导致对预防措施和额外诊断测试的作用的严重混淆。患者获得护理提供者的困难导致对推定治疗的期望。需要进一步的研究来确定是否为提供者和/或管理算法提供改进的教育材料可以改善UTI管理的指南一致性。
    BACKGROUND: Urinary tract infections (UTI) affect almost two-thirds of all women during their lives and many experience recurrent infections. There are evidence-based guidelines from multiple international societies for evaluation and treatment; however, recent claims-based analyses have demonstrated that adherence to these guidelines is poor. This study seeks to understand the barriers experienced by U.S. primary care providers (PCPs) to providing guideline-based care for UTI and recurrent UTI (rUTI).
    METHODS: Semi-structured interviews of 18 PCPs, recruited from the greater Los Angeles area, examined real-world clinical management of UTI/rUTI episodes, decisions to refer to subspecialty care, and resources guiding counseling and management. Grounded theory methodology served to analyze interview transcripts and identify preliminary and major themes.
    RESULTS: Participants expressed the desire to obtain urine cultures for each cystitis episode, but felt pressured to make compromises by patient demands or barriers to care. PCPs had lower thresholds to empirical treatment if patients had a history of rUTIs, were elderly, or declined evaluation. Laboratory data was minimally utilized in clinical decision-making: urinalyses were infrequently considered when interpreting culture data. PCPs treated a broad set of urologic and non-urologic symptoms as UTI, even with negative cultures. PCPs did not feel comfortable initiating UTI prophylaxis, instead seeking specialist evaluation for anatomic causes. They were unaware of management guidelines, typically utilizing UpToDate® as their primary resource. Few evidence-based UTI prevention interventions were recommended by providers.
    CONCLUSIONS: Low availability of succinct and clear professional guidelines are substantial barriers to appropriate UTI/rUTI care. Poor useability of clinical guidance documents results in substantial confusion about the role of preventative measures and additional diagnostic testing. Difficulties in patient access to care providers lead to expectations for presumptive treatment. Future studies are needed to determine if improved educational materials for providers and/or management algorithms can improve guideline concordance of UTI management.
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  • 文章类型: Journal Article
    目的:调查体弱老年人尿路感染(UTI)国家指南出台3年后的指南依从性。适当使用尿液试纸,治疗决定,和抗生素药物的选择与(疑似)尿路感染没有导管的居民进行了检查。
    方法:观察性前瞻性研究。
    方法:参加荷兰哨兵护理家庭监测网络的19个护理家庭。
    方法:截至2021年9月,为期3个月,医生在电子健康记录中记录了额外的临床信息,以防发生(疑似)UTI。根据这些信息,对指南建议的依从性进行了评估.不依从分为2类:(1)从业者报告的“故意不依从”和(2)“否则不依从”适用于记录的信息与指南建议不一致的所有其他病例。
    结果:共分析了469名居民的532例(疑似)UTI。在455例(86%)中,使用试纸。对于231例临床体征和症状已经表明未根据指南进行UTI治疗的病例,196例(85%)仍不恰当地订购试纸。在69%的病例中决定开或扣留抗生素,6%的人故意不遵守,另有25%的人不遵守。处方抗生素的类型与推荐的膀胱炎抗生素的依附性为88%,UTI的依附性为48%。总的来说,对于40%的可疑尿路感染,可以建立对所有相关建议的遵守,9%的从业者报告有意不遵守指南.
    结论:在荷兰疗养院管理可疑UTI的所有临床阶段都有相当大的改进空间,特别是关于患者的临床体征和症状对适当使用试纸和抗生素UTI治疗的重要性。
    OBJECTIVE: To investigate guideline adherence 3 years after the introduction of a national guideline on urinary tract infections (UTIs) in frail older adults. Appropriate use of urine dipstick tests, treatment decisions, and antibiotic drug choices in residents with (suspected) UTIs without a catheter were examined.
    METHODS: Observational prospective study.
    METHODS: Nineteen nursing homes participating in a Dutch Sentinel Nursing Home Surveillance Network.
    METHODS: As of September 2021, for a 3-month period, medical practitioners recorded additional clinical information in the electronic health record in case of a (suspected) UTI. Based on this information, adherence to guideline recommendations was assessed. Nonadherence was classified into 2 categories: (1) \"intentional nonadherence\" as reported by practitioners and (2) \"nonadherence otherwise\" applied to all other cases where the recorded information was discordant with the guideline recommendations.
    RESULTS: A total of 532 cases of (suspected) UTIs from 469 residents were analyzed. In 455 cases (86%), dipsticks were used. For the 231 cases where clinical signs and symptoms already indicated no UTI treatment according to the guideline, a dipstick was still inappropriately ordered in 196 cases (85%). The decision to prescribe or withhold antibiotics was in 69% of the cases adherent, in 6% intentionally nonadherent, and in 25% nonadherent otherwise. The type of prescribed antibiotic was adherent to the recommended antibiotics for cystitis in 88% and for UTIs with signs of tissue invasion in 48%. Overall, for 40% of suspected UTIs, adherence to all relevant recommendations could be established, and in 9% practitioners reported intentional nonadherence to the guideline.
    CONCLUSIONS: There is considerable room for improvement in all clinical stages of managing a suspected UTI in Dutch nursing homes, particularly with regard to the importance of patient\'s clinical signs and symptoms for appropriate dipstick use and antibiotic UTI treatments.
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  • 文章类型: Journal Article
    背景:在去初级卫生保健(PHC)的男性中,下尿路感染(LUTI)的发生率很低。因此,全科医生不经常诊断和治疗患有LUTI的男性。以前的研究表明,男性对LUTI治疗指南的依从性很低。关于为什么不遵守准则的知识有限。
    目的:为了了解全科医生在治疗男性LUTI时的经验和担忧,包括他们对临床指南的使用。此外,探讨全科医生关于抗生素耐药性的知识和关注。
    方法:进行了一项基于全科医生半结构化访谈的定性研究。
    方法:采访了来自瑞典南部七个PHC中心的15名全科医生。采访时间为2022年9月至2023年3月。所有访谈都是录音和逐字转录的。进行了专题分析。
    结果:全科医生在诊断男性LUTI时经验有限,感到不确定。延长检查可以部分缓解这种感觉。全科医生充分了解瑞典男性LUTI治疗指南,并认为根据指南治疗患者是安全的。然而,全科医生还承认,指南并不涵盖所有情况,需要个性化。
    结论:许多全科医生在诊断男性LUTI时感到不安全。这种情况在PHC中相对较低的患病率可能有助于这种感觉。关于诊断过程和适当抗生素选择的明确和指导性指南对于保持男性LUTI管理的良好质量很重要。
    BACKGROUND: The incidence of lower urinary tract infection (LUTI) in men visiting primary health care (PHC) is low. Hence, GPs do not diagnose and treat men with LUTI very often. Previous studies have shown that adherence to treatment guidelines regarding LUTI in men is low. There is limited knowledge concerning why guidelines are not adhered to.
    OBJECTIVE: To gain knowledge on GPs\' experiences and concerns when treating men with LUTI, including their use of clinical guidelines. Furthermore, to explore GPs\' knowledge and concern regarding antibiotic resistance.
    METHODS: A qualitative study based on semi-structured interviews with GPs was performed.
    METHODS: 15 GPs from seven PHC centres in southern Sweden were interviewed. The interviews were conducted from September 2022 to March 2023. All interviews were audio recorded and transcribed verbatim. A thematic analysis was performed.
    RESULTS: GPs had limited experience with and felt uncertain when diagnosing male LUTI. Extended examinations could partially relieve this feeling. GPs were well informed about the Swedish treatment guidelines for LUTI in men and felt safe to treat their patients according to the guidelines. However, GPs also acknowledged that guidelines do not cover all situations and need to be individualised.
    CONCLUSIONS: Many GPs feel insecure when diagnosing male LUTI. The relatively low prevalence of this condition in PHC could contribute to this feeling. Clear and instructive guidelines regarding both the diagnostic process and adequate antibiotic choices are important to maintain good quality in the management of LUTI in men.
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  • 文章类型: Journal Article
    Benign prostatic hyperplasia (BPH) is the most common disease of the lower urinary tract in men. The prevalence increases continuously with increasing age and a chronic progressive course is to be expected. In order to reduce the morbidity of affected patients and to improve their quality of life, the expert panel Benign Prostatic Hyperplasia (BPH) of the German Society of Urology (DGU) has written a new version of the evidence-based \"S2e guideline on the diagnosis and treatment of BPH\". Using a current patient case, the contents of the new S2e guideline are illustrated, from diagnosis to the decision-making process for a suitable treatment choice. The case presented here shows the possible complexity and difficulty that can arise in the diagnosis of BPH, the need for further diagnostic steps and the finding of a suitable therapy in order to fulfill the patient\'s wishes, if possible.
    UNASSIGNED: Das benigne Prostatasyndrom (BPS) ist die häufigste Erkrankung des unteren Harntraktes beim Mann. Die Prävalenz steigt kontinuierlich mit zunehmendem Lebensalter an und ein chronisch progredienter Verlauf ist zu erwarten. Um die Morbidität betroffener Patienten zu senken und die Lebensqualität zu verbessern, hat der Arbeitskreis Benignes Prostatasyndrom (BPS) der Deutschen Gesellschaft für Urologie e. V. (DGU) eine Neufassung der evidenzbasierten „S2e-Leitlinie Diagnostik und Therapie des BPS“ verfasst. Anhand eines aktuellen Patientenfalls werden hier die Inhalte der neuen S2e-Leitlinie von der Diagnostik bis zur Entscheidungsfindung einer passenden Therapiewahl anschaulich dargestellt. Im hier vorgestellten Fall zeigen sich die mögliche Komplexität und Schwierigkeit, die bei der Diagnose eines BPS auftreten können, die Notwendigkeit weiterführender Diagnostik und die Findung einer passenden Therapie, um auch vorliegende Patientenwünsche, wenn möglich, zu erfüllen.
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  • 文章类型: Journal Article
    目的:关于膀胱输尿管反流(VUR)的处方文献仍然有限,因此证据水平普遍较低。这些指南的目的是提供一种基于风险分析和诊断测试和干预措施的选择性适应症的VUR治疗的实用方法。我们提供了2023年欧洲泌尿外科协会(EAU)和欧洲儿科泌尿外科学会(ESPU)指南中关于儿童VUR章节的更新。
    方法:对上一次更新至2022年3月的所有相关出版物进行了结构化文献综述。
    最重要的更新如下。膀胱和肠功能障碍(BBD)在上厕所训练的患有尿路感染(UTI)且伴有或不伴有原发性VUR的儿童中很常见,并且在放射性核素扫描中增加了高热UTI和局灶性摄取缺陷的风险。可能并非每位VUR患者都需要持续的抗生素预防(CAP)。虽然文献没有提供任何关于VUR患者CAP持续时间的可靠信息,一个实用的方法是考虑CAP,直到没有进一步的BBD。对高热UTI和高级别VUR儿童的建议包括初始医疗,为不遵守CAP规定的手术护理,尽管有CAP,但突破性的高热UTI,和症状性VUR在长期随访中持续存在。腹腔镜和经膀胱镜下输尿管再植术的比较表明,就分辨率和并发症发生率而言,两者都是不错的选择。膀胱手术是用于机器人再植入的最常见方法,具有广泛的变化和成功率。
    结论:此更新的2023EAU/ESPU指南摘要为儿童VUR的管理和诊断评估提供了实际考虑。
    对于患有VUR的儿童,重要的是治疗BBD如果存在。关于CAP持续时间的实际方法是考虑施用直至BBD消退。
    结果:我们提供了关于儿童尿反流(尿液通过泌尿道回流)的诊断和管理指南的总结和更新。膀胱和肠功能障碍的治疗至关重要,因为这在接受过厕所训练的患有尿路感染的儿童中很常见。
    OBJECTIVE: The prescriptive literature on vesicoureteral reflux (VUR) is still limited and thus the level of evidence is generally low. The aim of these guidelines is to provide a practical approach to the treatment of VUR that is based on risk analysis and selective indications for both diagnostic tests and interventions. We provide a 2023 update on the chapter on VUR in children from the European Association of Urology (EAU) and European Society for Paediatric Urology (ESPU) guidelines.
    METHODS: A structured literature review was performed for all relevant publications published from the last update up to March 2022.
    UNASSIGNED: The most important updates are as follows. Bladder and bowel dysfunction (BBD) is common in toilet-trained children presenting with urinary tract infection (UTI) with or without primary VUR and increases the risk of febrile UTI and focal uptake defects on a radionuclide scan. Continuous antibiotic prophylaxis (CAP) may not be required in every VUR patient. Although the literature does not provide any reliable information on CAP duration in VUR patients, a practical approach would be to consider CAP until there is no further BBD. Recommendations for children with febrile UTI and high-grade VUR include initial medical treatment, with surgical care reserved for CAP noncompliance, breakthrough febrile UTIs despite CAP, and symptomatic VUR that persists during long-term follow-up. Comparison of laparoscopic extravesical versus transvesicoscopic ureteral reimplantation demonstrated that both are good option in terms of resolution and complication rates. Extravesical surgery is the most common approach used for robotic reimplantation, with a wide range of variations and success rates.
    CONCLUSIONS: This summary of the updated 2023 EAU/ESPU guidelines provides practical considerations for the management and diagnostic evaluation of VUR in children.
    UNASSIGNED: For children with VUR, it is important to treat BBD if present. A practical approach regarding the duration of CAP is to consider administration until BBD resolution.
    RESULTS: We provide a summary and update of guidelines on the diagnosis and management of urinary reflux (where urine flows back up through the urinary tract) in children. Treatment of bladder and bowel dysfunction is critical, as this is common in toilet-trained children presenting with urinary tract infection.
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  • 文章类型: Journal Article
    尿路感染(UTI)是患者寻求医疗保健和抗生素的最常见原因之一。然而,全科医生(全科医生)指南依从性较低。RedAres随机对照试验旨在通过实施由四个要素组成的多模式干预来提高指南依从性:关于当前UTI指南的信息(1)和区域耐药性数据(2);关于处方行为的反馈(3);以及与同行相比的基准(4)。RedAres过程评估评估全科医生对多模式干预的看法以及实施常规护理的潜力。我们对全科医生(干预部门)进行了19次半结构化访谈。所有访谈均在线进行,并录制音频。为了转录和分析,采用Mayring的定性内容分析。总的来说,全科医生认为,在开处方时,干预措施有助于知识的获得和确认。信息材料和阻力用于患者沟通和教学目的。反馈被认为通过打破临床检查的常规来增强反射。通过将反馈回路集成到患者管理系统中并通过可信渠道或机构传达目标信息,可以增强常规实践的实施。全科医生认为对RedAres干预的过程评估是有益的。它证实了多模式干预对提高指南依从性的便利性。
    Urinary tract infections (UTIs) are among the most common reasons patients seeking health care and antibiotics to be prescribed in primary care. However, general practitioners\' (GPs) guideline adherence is low. The RedAres randomised controlled trial aims to increase guideline adherence by implementing a multimodal intervention consisting of four elements: information on current UTI guidelines (1) and regional resistance data (2); feedback regarding prescribing behaviour (3); and benchmarking compared to peers (4). The RedAres process evaluation assesses GPs\' perception of the multimodal intervention and the potential for implementation into routine care. We carried out 19 semi-structured interviews with GPs (intervention arm). All interviews were carried out online and audio recorded. For transcription and analysis, Mayring\'s qualitative content analysis was used. Overall, GPs considered the interventions helpful for knowledge gain and confirmation when prescribing. Information material and resistance were used for patient communication and teaching purposes. Feedback was considered to enhance reflection by breaking routines of clinical workup. Implementation into routine practice could be enhanced by integrating feedback loops into patient management systems and conveying targeted information via trusted channels or institutions. The process evaluation of RedAres intervention was considered beneficial by GPs. It confirms the convenience of multimodal interventions to enhance guideline adherence.
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  • 文章类型: Journal Article
    我们现在更新了,印度小儿肾脏病学会(ISPN)针对儿童尿路感染(UTI)和原发性膀胱输尿管反流(VUR)的循证临床实践指南.这些准则符合国际标准;医学研究所和AGREE核对表被用来确保透明度,严谨,指导方针发展的彻底性。鉴于稳健的方法论,这些指南适用于全球UTI和VUR的管理。制定了17项建议和18项临床实践要点。一些主要建议和做法要点如下:如果临床怀疑强烈,则认为>104菌落形成单位/mL的尿液培养对于婴儿UTI的诊断具有重要意义。尿白细胞酯酶和亚硝酸盐可用作可疑UTI儿童的尿液显微镜检查的替代筛查测试。急性肾盂肾炎可以在无毒婴儿中口服抗生素治疗7-10天。在UTI的评估中,不建议进行急性期DMSA扫描。在复发性UTI的儿童中显示了尿路造影(MCU)。肾脏超声异常,以及2岁以下的非E.大肠杆菌UTI。仅在患有复发性UTI和高级别(3-5)VUR的儿童中显示二聚琥珀酸扫描(DMSA扫描)。UTI后泌尿道正常的儿童不需要抗生素预防。建议预防膀胱肠功能障碍(BBD)儿童和高度VUR儿童预防UTI。在有VUR的儿童中,如果孩子接受过厕所训练,应该停止预防,免费的BBD,并且在过去的1年中没有使用UTI。可以考虑对高级VUR进行手术干预,以使父母优先于抗生素预防或在抗生素预防中出现复发性突破性发热UTI的儿童。
    We present updated, evidence-based clinical practice guidelines from the Indian Society of Pediatric Nephrology (ISPN) for the management of urinary tract infection (UTI) and primary vesicoureteric reflux (VUR) in children. These guidelines conform to international standards; Institute of Medicine and AGREE checklists were used to ensure transparency, rigor, and thoroughness in the guideline development. In view of the robust methodology, these guidelines are applicable globally for the management of UTI and VUR. Seventeen recommendations and 18 clinical practice points have been formulated. Some of the key recommendations and practice points are as follows. Urine culture with > 104 colony forming units/mL is considered significant for the diagnosis of UTI in an infant if the clinical suspicion is strong. Urine leukocyte esterase and nitrite can be used as an alternative screening test to urine microscopy in a child with suspected UTI. Acute pyelonephritis can be treated with oral antibiotics in a non-toxic infant for 7-10 days. An acute-phase DMSA scan is not recommended in the evaluation of UTI. Micturating cystourethrography (MCU) is indicated in children with recurrent UTI, abnormal kidney ultrasound, and in patients below 2 years of age with non-E. coli UTI. Dimercaptosuccinic acid scan (DMSA scan) is indicated only in children with recurrent UTI and high-grade (3-5) VUR. Antibiotic prophylaxis is not indicated in children with a normal urinary tract after UTI. Prophylaxis is recommended to prevent UTI in children with bladder bowel dysfunction (BBD) and those with high-grade VUR. In children with VUR, prophylaxis should be stopped if the child is toilet trained, free of BBD, and has not had a UTI in the last 1 year. Surgical intervention in high-grade VUR can be considered for parental preference over antibiotic prophylaxis or in children developing recurrent breakthrough febrile UTIs on antibiotic prophylaxis.
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  • 文章类型: Randomized Controlled Trial
    背景:急性非复杂性尿路感染在门诊环境中很常见,但未得到最佳治疗。在撒哈拉以南非洲,很少有关于门诊使用抗生素进行特定诊断的研究,因此,对该地区医务人员的处方模式知之甚少。
    方法:阿加汗大学在内罗毕都会区设有16个门诊诊所,并专门为该诊所分配了一名医务人员。根据这些诊所的医疗记录,对可疑UTI的评估和治疗进行了基线评估。然后,从16个诊所中的每个诊所招募了医务人员,每个诊所招募了8个随机对照与反馈小组。两组都接受了多模式教育课程,包括当地适应的UTI指南和对基线评估中发现的问题的强调。根据历史的充分性,使用为研究开发的评分系统对每个记录进行评分。体检,临床诊断匹配记录数据,诊断检查和治疗。对两组进行了三次审计;基线(审计1),CME后(审计2),和最后的审计,这是在反馈小组(审计3)的反馈之后。主要分析评估了反馈组与仅CME组的总体指南依从性。
    结果:与基线相比,CME后两组的总分均有显着改善,大多数领域的分数也有所提高。然而,审计3显示,在CME之后获得的收益持续存在,但没有从反馈中获得额外收益。在整个研究中持续存在的一些缺陷包括缺乏可能的性传播感染和过度使用非UTI实验室测试,如CBC,粪便培养和幽门螺杆菌Ag。在CME之后,呋喃妥因的使用量从4%上升到8%,头孢菌素的使用量从49%上升到67%,伴随着喹诺酮类药物的减少。
    结论:CME导致病史类别中患者护理的适度改善,治疗和调查,但是反馈没有额外的效果。未来的研究应该考虑执行元素或更密集的反馈方法。
    BACKGROUND: Acute uncomplicated urinary tract infections are common in outpatient settings but are not treated optimally. Few studies of the outpatient use of antibiotics for specific diagnoses have been done in sub-Saharan Africa, so little is known about the prescribing patterns of medical officers in the region.
    METHODS: Aga Khan University has 16 outpatient clinics throughout the Nairobi metro area with a medical officer specifically assigned to that clinic. A baseline assessment of evaluation and treatment of suspected UTI was performed from medical records in these clinics. Then the medical officer from each of the 16 clinics was recruited from each clinic was recruited with eight each randomized to control vs. feedback groups. Both groups were given a multimodal educational session including locally adapted UTI guidelines and emphasis on problems identified in the baseline assessment Each record was scored using a scoring system that was developed for the study according to adequacy of history, physical examination, clinical diagnosis matching recorded data, diagnostic workup and treatment. Three audits were done for both groups; baseline (audit 1), post-CME (audit 2), and a final audit, which was after feedback for the feedback group (audit 3). The primary analysis assessed overall guideline adherence in the feedback group versus the CME only group.
    RESULTS: The overall scores in both groups showed significant improvement after the CME in comparison to baseline and for each group, the scores in most domains also improved. However, audit 3 showed persistence of the gains attained after the CME but no additional benefit from the feedback. Some deficiencies that persisted throughout the study included lack of workup of possible STI and excess use of non-UTI laboratory tests such as CBC, stool culture and H. pylori Ag. After the CME, the use of nitrofurantoin rose from only 4% to 8% and cephalosporin use increased from 49 to 67%, accompanied by a drop in quinolone use.
    CONCLUSIONS: The CME led to modest improvements in patient care in the categories of history taking, treatment and investigations, but feedback had no additional effect. Future studies should consider an enforcement element or a more intensive feedback approach.
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  • 文章类型: Journal Article
    α-D-甘露糖-天然己醛糖的性质,C-2葡萄糖差向异构体,其预期用途是用于预防尿路感染-在与大肠杆菌的相互作用中被解决,以驱动其作为医药产品或医疗装置的监管分类的问题。采用PRISMA系统审查方法;DelphiPanel方法用于针对从证据中检索到的陈述达成共识。根据监管定义和研究证据,D-甘露糖的机制不涉及代谢或免疫作用,而药理作用存在不确定性。产品与体内细菌之间发生特定的相互作用,但它的性质是惰性的:它不会引起激活或抑制身体过程的直接反应。此外,D-甘露糖的作用发生,即使在膀胱里,上皮外的细菌尚未侵入尿路上皮组织。因此,其作用机制不是针对宿主结构,而是针对宿主组织外部的结构(细菌)。根据现行规定,关于α-D-甘露糖的药理作用的不确定性使其医疗器械分类成为可能:新的法规和法律判决可以增加进一步的考虑.从药理学的角度来看,与合成甘露糖苷相比,研究是驱动的:预计对α-D-甘露糖没有进一步的考虑。
    The nature of alpha-D-mannose-natural aldohexose sugar, C-2 glucose epimer, whose intended use is for preventing urinary tract infections-in the interaction with E. coli is addressed in order to drive the issue of its regulatory classification as a medicinal product or medical device. PRISMA systematic review approach was applied; Delphi Panel method was used to target consensus on statements retrieved from evidence. Based on regulatory definitions and research evidence, the mechanism of D-mannose does not involve a metabolic or immunological action while there is uncertainty regarding the pharmacological action. Specific interaction between the product and the bacteria within the body occurs, but its nature is inert: it does not induce a direct response activating or inhibiting body processes. Moreover, the action of D-mannose takes place, even if inside the bladder, outside the epithelium on bacteria that have not yet invaded the urothelial tissue. Therefore, its mechanism of action is not directed to host structures but to structures (bacteria) external to the host\'s tissues. On the basis of current regulation, the uncertainty as regard a pharmacological action of alpha-D-mannose makes possible its medical device classification: new regulations and legal judgments can add further considerations. From a pharmacological perspective, research is driven versus synthetic mannosides: no further considerations are expected on alpha-D-mannose.
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  • 文章类型: Journal Article
    背景:尿路感染(UTI)是最常见的感染性疾病之一,也是儿童抗生素处方的主要原因。为了防止反复感染和长期并发症,已使用低剂量连续抗生素预防(CAP)。然而,CAP的疗效存在争议。本文件的目的是制定有关CAP预防小儿UTI的疗效和安全性的最新指南。方法:儿科感染性疾病专家小组,小儿肾脏病学,儿科泌尿外科,初级保健被问及关于CAP在预防儿童UTI中的作用的临床问题.总的来说,解决了15个临床问题,搜索策略包括访问电子数据库和手动搜索过去25年出版的灰色文献。经过数据提取和结果的叙事综合,建议是使用建议分级制定的,评估,发展,和评价(等级)方法。结果:不建议在患有UTI的儿童中使用CAP,与复发性UTI,任何级别的膀胱输尿管反流(VUR),孤立性肾积水,和神经源性膀胱。在手术矫正之前,建议在患有严重阻塞性尿路病变的儿童中使用CAP。建议对不建议使用CAP的情况进行基于UTI发作的早期诊断和及时的抗生素治疗的密切监测。结论:我们的系统评价表明,CAP在预防儿童UTI复发中起着有限的作用,对其并发症没有影响。另一方面,新的抗微生物耐药性的出现是一个被证明的风险。
    Background: Urinary tract infection (UTI) represents one of the most common infectious diseases and a major cause of antibiotic prescription in children. To prevent recurrent infections and long-term complications, low-dose continuous antibiotic prophylaxis (CAP) has been used. However, the efficacy of CAP is controversial. The aim of this document was to develop updated guidelines on the efficacy and safety of CAP to prevent pediatric UTIs. Methods: A panel of experts on pediatric infectious diseases, pediatric nephrology, pediatric urology, and primary care was asked clinical questions concerning the role of CAP in preventing UTIs in children. Overall, 15 clinical questions were addressed, and the search strategy included accessing electronic databases and a manual search of gray literature published in the last 25 years. After data extraction and narrative synthesis of results, recommendations were developed using the Grading of Recommendations, Assessment, Development, and Evaluations (GRADE) methodology. Results: The use of CAP is not recommended in children with a previous UTI, with recurrent UTIs, with vesicoureteral reflux (VUR) of any grade, with isolated hydronephrosis, and with neurogenic bladder. CAP is suggested in children with significant obstructive uropathies until surgical correction. Close surveillance based on early diagnosis of UTI episodes and prompt antibiotic therapy is proposed for conditions in which CAP is not recommended. Conclusions: Our systematic review shows that CAP plays a limited role in preventing recurrences of UTI in children and has no effect on its complications. On the other hand, the emergence of new antimicrobial resistances is a proven risk.
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