Haemodialysis

血液透析
  • 文章类型: Journal Article
    背景:性功能障碍在接受慢性血液透析的成年人中很常见;然而,肾脏护士很少与病人讨论这个话题。
    目的:本研究旨在确定肾脏护士对提供性保健的态度,并确定他们与接受血液透析的成年人讨论性功能障碍的信心。
    方法:一项在线横断面研究。
    方法:澳大利亚和新西兰(n=65)的肾科护士为接受血液透析的成年人提供直接护理。
    方法:两份问卷测量(1)性健康讨论的频率,知识和能力水平,讨论性功能障碍和问责观点(VanEk调查)和(2)沟通,实用知识,和态度(专业人员的性健康教育者量表)被使用。还收集了人口统计学特征。
    结果:大多数参与者是具有研究生资格的女性(60%)(61.4%)。平均肾脏病护理经验为13.10±9.14年。大多数肾脏护士认为对提供性医疗保健持积极态度(77.2%),并且有信心与患者就性问题进行沟通(42.9%)。尽管许多护士(64.35%)很少这样做。不到一半(48.6%)表示有能力讨论性功能障碍,不到三分之一(30%)的人对性功能障碍有足够的了解。障碍是缺乏实践培训(74.2%)和时间不足(57.1%)。年轻护士(≤45岁)和男护士对讨论性健康问题的信心明显增强。
    结论:总体而言,肾脏护士对与患者讨论性健康问题持积极态度,但很少这样做。
    BACKGROUND: Sexual dysfunction is common for adults receiving chronic haemodialysis; however, renal nurses seldom discuss this topic with patients.
    OBJECTIVE: This study aimed to identify renal nurses\' attitudes towards providing sexual healthcare and to determine their confidence in discussing sexual dysfunction with adults who are receiving haemodialysis.
    METHODS: An online cross-sectional study.
    METHODS: Renal nurses across Australia and New Zealand (n = 65) who were members of the Renal Society of Australasia provided direct care to adults receiving haemodialysis.
    METHODS: Two questionnaires measuring (1) the frequency of sexual health discussions, levels of knowledge and competence, barriers to discussing sexual dysfunction and views on accountability (Van Ek survey) and (2) communication, practical knowledge, and attitude (sexual health educator for professionals scale) were used. Demographic characteristics were also collected.
    RESULTS: Most participants were females (60%) with postgraduate qualifications (61.4%). The average nephrology nursing experience was 13.10 ± 9.14 years. Most renal nurses identified as having positive attitudes (77.2%) about providing sexual healthcare and were confident in communicating with patients about sexual concerns (42.9%), although many nurses (64.35%) rarely did so. Less than one-half (48.6%) indicated feeling competent to discuss sexual dysfunction, and less than one-third (30%) had sufficient knowledge about sexual dysfunction. Barriers were lack of practical training (74.2%) and insufficient time (57.1%). Younger nurses (≤45 years old) and male nurses were significantly more confident in discussing sexual health matters.
    CONCLUSIONS: Overall, renal nurses had positive attitudes towards discussing sexual health concerns with patients however they rarely did so.
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  • 文章类型: Journal Article
    宗教与健康之间的关系往往是积极的。在健康状况不佳的时候,宗教被认为是一种应对机制和支持来源。在本文中,我们关注慢性病对宗教实践和文化参与的破坏性影响。根据对患有终末期肾脏疾病的少数民族成年人的采访,他们也认同宗教,我们引入了“文化破坏”的概念。虽然发现宗教实践和信仰提供力量和舒适感,但我们还发现慢性病对参与者试图管理的宗教和文化实践具有破坏性影响。为了强调慢性病对宗教信仰和文化参与的潜在破坏性影响,我们确定了文化中断的三个要素-对宗教实践的破坏,对自我意识和认同感的破坏和对幸福的破坏。最后,我们建议在诊断时理解和解释文化破坏的潜力,治疗和支持患有慢性病的人提供了一个替代的切入点,以生活世界的病人谁认定为宗教和对他们来说是重要的事情。
    The relationship between religion and health tends to be framed positively. Religion has been found to act as a coping mechanism and source of support in times of ill health. In this paper, we focus on the disruptive effect of chronic illness on religious practice and cultural engagement. Drawing on interviews with ethnic minority adults with end-stage kidney disease, who also identify as religious, we introduce the concept \'cultural disruption\'. While religious practice and belief was found to provide strength and comfort we also found that chronic illness had a disruptive impact on religious and cultural practice that participants attempted to manage. To highlight the potential disruptive effect of chronic illness on religious faith and cultural engagement we identify three elements of cultural disruption-disruption to religious practice, disruption to sense of self and identity and disruption to wellbeing. We conclude by suggesting that understanding and accounting for the potential of cultural disruption when diagnosing, treating and supporting people with chronic illness offers an alternative entry point to the life-worlds of patients who identify as religious and the things that are important to them.
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  • 文章类型: Journal Article
    极低热量饮食(VLCD)是一般人群的肥胖治疗选择,但其在血液透析(HD)患者中的疗效和安全性尚不清楚.
    血液透析患者VLCD的前瞻性单臂研究。所有参与者接受2.5-3.3MJ/天,持续12周。VLCD的每周评估,透析前和透析后的体重,透析间体重增加,血液电解质发生在前4周,然后每两周持续8周.线性混合模型比较了体重随时间的变化以及包括钾在内的生化结果。
    22名参与者[9名家庭HD(HHD)和13名卫星HD(SHD)]参加了为期12周的干预。平均透析后体重从基线时的121.1kg下降至第12周的109.9,导致每周平均下降0.88kg(95%C.I.0.71,1.05,P<.001),12周平均体重损失百分比为9.3%(SD3.5)。平均透析后体重指数从基线时的40.9kg/m2下降至第12周时的37.1kg/m2(95%C.I.0.25,0.35,P<.001)。血清钾从第1周到第3周上升,在第4周到第6周稳定,从第8周下降,到第12周恢复到接近基线。9名HHD参与者中的6名(66.6%)和13名SHD参与者中的7名(70%)患有至少一次高钾血症(K>6mmol/l)。血清钠没有临床变化,校正钙,或研究期间的磷酸盐水平。
    带营养师监督的VLCD可有效减轻体重,在接受血液透析治疗的患者中具有可接受的安全性。
    UNASSIGNED: Very low calorie diets (VLCDs) are an obesity treatment option in the general population, but their efficacy and safety in patients on haemodialysis (HD) is unknown.
    UNASSIGNED: Prospective single arm study of VLCD in haemodialysis patients. All participants received 2.5-3.3 MJ/day for 12 weeks. Weekly assessment of VLCD, pre- and post-dialysis weight, inter-dialytic weight gain, and blood electrolytes occurred for the first 4 weeks, then fortnightly for another 8 weeks. Linear mixed models compared the change in weight over time as well as biochemical outcomes including potassium.
    UNASSIGNED: Twenty-two participants [nine home HD (HHD) and 13 satellite HD (SHD)] enrolled with 19 completing the 12-week intervention. Mean post-dialysis weight declined from 121.1 kg at baseline to 109.9 at week 12 resulting in average decline of 0.88 kg per week (95% C.I. 0.71, 1.05, P < .001) with 12-week mean percentage weight loss9.3% (SD 3.5). Mean post-dialysis body mass index declined from 40.9 kg/m2 at baseline to 37.1 kg/m2 at week 12 (95% C.I. 0.25, 0.35, P < .001). Serum potassium rose from week 1 to 3, stabilized during weeks 4 to 6, and fell from week 8, returning near baseline by week 12. Six of the nine (66.6%) HHD participants and seven of the 13 (70%) SHD participants had at least one episode of hyperkalaemia (K > 6 mmol/l). There were no clinical changes in serum sodium, corrected calcium, or phosphate levels during the study.
    UNASSIGNED: VLCD with dietitian supervision was effective in producing significant weight reduction, with an acceptable safety profile in patients treated with haemodialysis.
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  • 文章类型: Journal Article
    抑郁症在血液透析患者中很常见。这项研究的目的是探索在现实生活中诊断抑郁症的方法,以期提出切实可行的建议。它还旨在评估抑郁症和痴呆症的患病率。
    我们在波兰的两个透析中心进行了一项横断面研究。使用迷你精神状态检查(MMSE)评估认知功能。使用贝克抑郁量表II(BDI-II)评估抑郁症状的筛查。精神科医生使用《精神障碍诊断和统计手册5》(DSM-5)确认了重度抑郁症的诊断。还收集了社会人口统计学和临床数据。
    最初,136名患者同意参与研究。在研究组中发现了13%的痴呆症。62名患者不同意进行所有建议的测试,并且未包括在分析中。最终由70名患者组成。根据BDI-II,35.7%的患者出现抑郁症状,而精神科医生证实了重度抑郁症(MDD)的诊断占25.7%。根据ROC分析,使用BDI-II诊断MDD的最佳截止分数≥13分。
    这项研究表明,定期筛查抑郁症状,随后在选定的患者中进行精神病咨询,可以改善抑郁症的诊断,以实现更高的生活质量和更低的死亡率。它也可能是血液透析人群中抑郁症管理的成本效益模型。
    UNASSIGNED: Depressive disorder is common among haemodialysis patients. The purpose of this study was to explore approaches to diagnosing depression in the context of a real-life setting, with the view of creating practical recommendations. It also aimed to evaluate the prevalence of depression and dementia.
    UNASSIGNED: We conducted a cross-sectional study in two Dialysis Centres in Poland. Cognitive functions were evaluated using Mini-Mental State Examination (MMSE). The screening for depressive symptoms was assessed using Beck Depression Inventory II (BDI-II). The diagnosis of major depressive disorder was confirmed by a psychiatrist using Diagnostic and Statistical Manual of Mental Disorders 5 (DSM-5). Sociodemographic and clinical data were also collected.
    UNASSIGNED: Initially, 136 patients agreed to participate in the study. Dementia was found in 13% of the study group. Sixty-two patients did not agree to perform all the proposed tests and were not included in the analysis, which eventually consisted of 70 patients. According to BDI-II, depressive symptoms were present in 35.7% of patients, while the diagnosis of major depressive disorder (MDD) was confirmed by the psychiatrist in 25.7%. According to the ROC analysis the optimal cut-off score for diagnosing MDD using BDI-II was ≥13 points.
    UNASSIGNED: This study suggests that the regular screening for depressive symptoms, followed by a psychiatric consultation in selected patients, might improve diagnosing depression with the goal of achieving a higher quality of life and a lower mortality rate. It may also be a cost-effective model for the management of depression among the haemodialysis population.
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  • 文章类型: Journal Article
    导管相关的血栓形成是隧道式中心静脉导管(TCVC)使用的常见并发症。人们担心去除TCVC可能会清除血栓以引起肺血栓栓塞(PE)。去除TCVC后PE的发生率尚不清楚,因此本研究的目的是调查PE的发生率以及是否足够高以保证在去除TCVC之前进行超声筛查以进行全身抗凝。
    本回顾性研究包括1102次连续的TCVC去除,没有超声和全身抗凝。数据是从电子健康记录中提取的。确定PE事件的措施包括:死亡,计算机断层扫描肺血管造影(CT-PA),去除后7天内进行同位素肺灌注扫描和D-二聚体血液测试。
    在1102次TCVC去除中,患者的平均年龄为56.9岁,57.3%为男性.24.5%的患者的主要肾脏诊断为糖尿病肾病。移除后有7人死亡,在回顾其临床病史和死亡证明时,没有一个以PE为促成因素。在去除TCVC后的7天内进行了五次CT-PAs和一次同位素肺灌注扫描,均未发现PE阳性。三名患者在7天内在血液中测量D-二聚体,并且这些患者中没有一个随后被诊断患有PE。
    在移除TCVC后的7天内,没有证据表明发生了致命的或非致命的PE。这将支持在不需要超声筛查和不需要一段时间的全身抗凝的情况下去除TCVCs的实践。
    UNASSIGNED: Catheter related thrombosis is a common complication of tunnelled central venous catheter (TCVC) usage. There are concerns that TCVC removal could dislodge a thrombus to cause pulmonary thromboembolism (PE). The incidence of PE following TCVC removal is unclear and so the aim of this study was to investigate the incidence of PE and whether it is high enough to warrant screening with ultrasound with a view to systemic anticoagulation prior to TCVC removal.
    UNASSIGNED: 1102 consecutive TCVC removals without ultrasound and systemic anticoagulation were included in this retrospective study. Data were extracted from electronic health records. Measures to identify PE events included: deaths, computed tomography pulmonary angiogram (CT-PA), isotope lung perfusion scans and D-dimers blood tests within 7 days of removal.
    UNASSIGNED: Of the 1102 TCVC removals, the mean age of patients was 56.9 years and 57.3% were male. The primary renal diagnosis for 24.5% of patients was diabetic nephropathy. There were seven deaths following removal, none of which had PE as a contributing cause on review of their clinical history and death certificates. Five CT-PAs and one isotope lung perfusion scan were carried out in the 7 days after TCVC removal and none had a positive finding of PE. Three patient had D-dimers measured in blood within 7 days and none of these patients were subsequently diagnosed with PE.
    UNASSIGNED: There was no evidence of fatal or non-fatal PE\'s occurring in the 7 days following TCVC removal. This would support the practice of removing TCVCs without the need for ultrasound screening and without a period of systemic anticoagulation.
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  • 文章类型: Journal Article
    目的:本研究旨在探讨接受血液透析的慢性肾脏病(CKD)患者及其护理人员的经验,关注疾病的影响和治疗过程。
    背景:在斯里兰卡,CKD是一个日益增长的健康问题,特别是影响农业社区,并导致生物医学医疗保健系统的压力。尽管人们越来越意识到CKD的物理影响,其社会心理影响仍未得到充分探索。这项研究旨在填补这一空白,旨在为文化敏感的干预措施提供信息,并提高医疗系统对僧伽罗佛教徒CKD患者及其护理人员的独特需求的反应能力。
    方法:探索性定性研究。
    方法:对10名接受血液透析的个体和5名透析单位的护理人员进行了半结构化访谈。采访是录音的,使用常规定性内容分析进行转录和分析。
    结果:分析揭示了三个相互关联的主要主题:(1)对生活水平(生活质量)的影响,(2)应对策略和(3)医疗经验,传统信仰和实践的显著影响。
    结论:研究结果强调了对CKD管理的整体方法的需要,情感,心理和社会方面,考虑到传统影响的重要作用。进一步的研究对于开发可以提高CKD生活质量的有效干预措施至关重要。
    僧伽罗佛教徒与CKD及其照顾者的生活经历是基石,为这种状况对他们生活的影响提供深刻的见解。在整个研究过程中,这些参与者在提炼研究的文化敏感性和相关性方面发挥了重要作用。他们的参与范围超出了数据收集阶段,包括反馈会议,他们积极分享他们的观点。这种持续的合作确保了研究的深度和对现实世界经验的适用性。通过积极参与那些直接受CKD影响的人,这种合作方法保证了这项研究仍然植根于他们的声音并满足他们的独特需求。
    本研究遵循相关EQUATOR指南(COREQ清单)。
    背景:这项研究不是临床试验,因此,注册不适用。
    OBJECTIVE: This study aims to explore the experiences of individuals with chronic kidney disease (CKD) undergoing haemodialysis and their caregivers, focusing on the disease\'s impact and the treatment process.
    BACKGROUND: In Sri Lanka, CKD is a growing health concern, particularly affecting farming communities and contributing to the strain on the biomedical healthcare system. Despite increasing awareness of CKD\'s physical implications, its psychosocial impact remains underexplored. This study seeks to fill this gap, aiming to inform culturally sensitive interventions and improve the healthcare system\'s responsiveness to the unique needs of Sinhala Buddhist individuals with CKD and their caregivers.
    METHODS: An exploratory qualitative study.
    METHODS: Semistructured interviews were conducted with 10 individuals undergoing haemodialysis and 5 caregivers at a dialysis unit. The interviews were audio-recorded, transcribed and analysed using conventional qualitative content analysis.
    RESULTS: The analysis revealed three interrelated main themes: (1) impact on standard of living (quality of life), (2) coping strategies and (3) medical experience, with a notable influence of traditional beliefs and practices.
    CONCLUSIONS: The findings highlight the need for a holistic approach to CKD management that integrates physical, emotional, psychological and social aspects, considering the significant role of traditional influences. Further research is essential to develop effective interventions that can enhance the quality of life for CKD.
    UNASSIGNED: The lived experiences of Sinhala Buddhist individuals with CKD and their caregivers served as a cornerstone, providing profound insights into the impact of the condition on their lives. Throughout the study, these participants played an instrumental role in refining the research\'s cultural sensitivity and relevance. Their engagement extended beyond the data collection phase to encompass feedback sessions, where they actively shared their perspectives. This ongoing collaboration ensured the study\'s depth and applicability to real-world experiences. By actively involving those directly affected by CKD, this collaborative approach safeguards that the study remains rooted in their voices and addresses their unique needs.
    UNASSIGNED: This study adhered to relevant EQUATOR guidelines (the COREQ checklist).
    BACKGROUND: This study is not a clinical trial, and thus, registration is not applicable.
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  • 文章类型: Journal Article
    背景:自体动静脉瘘(AVF)是肾衰竭患者最好的血管通路类型。然而,传统技术故障率高。我们进行了一项随机对照试验,以调查无接触技术是否比常规技术具有更高的成熟度和通畅率。
    方法:本研究是一项单中心随机对照试验,涉及需要AVF进行血液透析的肾衰竭患者。共有179例接受首次桡动脉-头瘘的患者以1:1的比例随机分配到无接触技术(n=90)或常规技术(n=89)。对两种技术的成熟度和通畅率进行了比较和分析。
    结果:术前基线数据显示组间无差异。当将无触摸技术与传统技术进行比较时,成熟率为93%vs.89%,1年主要功能通畅率为72%。62%,分别。与AVF失败相关的因素包括年龄>55岁(OR=2.417,95%CI1.242-4.703),女性(OR=2.149,95%CI1.099-4.202),静脉直径≤1.8mm(OR=3.664,95%CI1.714-7.832)。对于小静脉患者,成熟率为92.98%。80%,1年主要功能通畅率为68.42%。无触摸技术和常规技术的40%,分别。
    结论:与传统技术相比,无接触技术具有更高的成熟和通畅率,用于创建自体AVF,尤其是小静脉患者。这种技术可以为头小静脉患者提供更好的结果。
    BACKGROUND: Autologous arteriovenous fistulae (AVFs) are the best type of vascular access in patients with kidney failure. However, the conventional technique has a high failure rate. We performed a randomised controlled trial to investigate whether the no-touch technique has a higher maturation and patency rate than that of the conventional technique for creating AVFs.
    METHODS: This study was a single-centre randomised controlled trial involving patients with kidney failure requiring an AVF for haemodialysis access. A total of 179 patients undergoing their first radial artery-cephalic fistula were randomized 1:1 to the no-touch technique (n = 90) or conventional technique (n = 89). The maturation and patency rate of the two techniques were compared and analysed.
    RESULTS: The preoperative baseline data showed no differences between groups. When comparing the no-touch technique to the conventional technique, the maturation rate was 93% vs. 89% and the 1-year primary function patency was 72% vs. 62%, respectively. Factors associated with AVF failure included age > 55 years (OR = 2.417, 95% CI 1.242-4.703), female sex (OR = 2.149, 95% CI 1.099-4.202), and vein diameter ≤ 1.8 mm (OR = 3.664, 95% CI 1.714-7.832). For patients with small veins the maturation rate was 92.98% vs. 80% and the 1-year primary function patency was 68.42% vs. 40% for the no-touch technique and conventional technique, respectively.
    CONCLUSIONS: The no-touch technique has a higher maturation and patency rate than the conventional technique for creating an autologous AVF, especially in patients with small veins. This technique may provide a better outcome for patients with small cephalic veins.
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  • 文章类型: Journal Article
    背景:接受血液透析的终末期肾病(ESKD)患者的疲劳给患者的生活质量和预期的治疗结果带来了巨大的负担。这项研究探讨了接受血液透析的阿曼患者对ESKD相关疲劳及其影响因素的看法。
    方法:采用探索性定性设计。参与者(N=25)从两个阿曼血液透析中心招募,数据是通过半结构化访谈收集的,使用主题分析方法进行转录和分析。NVivo11用于管理定性数据并创建备忘录,节点,和代码。
    结果:研究结果强调了三个主题:(i)“疲劳的必然性,“(二)”导致身体疲劳的因素,“和(iii)”导致精神疲劳的因素。“主题之一暗示了疲劳的必然性和患者遇到的独特体验。主题二解决了与ESKD相关因素相关的身体疲劳,例如长期低血红蛋白水平,以及治疗疗程的频率和行进距离造成的疲惫影响。主题三,精神疲劳,特别是受情绪紊乱加剧的驱使,包含挫折,内疚,内疚焦虑,和痛苦,这反过来又影响了家庭互动,经常引发愤怒和悔恨。此外,精神疲劳是婚姻中表达身体性行为障碍的结果,由于身体疲劳被发现是导致不令人满意的性经历的重要原因,因此,紧张夫妻之间的关系。
    结论:这项研究提供了对阿曼ESKD患者进行血液透析的疲劳的解释。这项研究强调了生理变化之间的密切联系,血液透析过程,和精神疲劳,以及他们对支持在管理这些患者和促进患者和家庭福祉方面需要整体方法和护理策略的贡献。
    BACKGROUND: Fatigue among patients with end-stage kidney disease (ESKD) receiving haemodialysis imposes a substantial burden on patients\' quality of life and expected treatment outcomes. This study explores the perspective on ESKD-related fatigue and contributing factors among Omani patients receiving haemodialysis.
    METHODS: An exploratory qualitative design was used. Participants (N = 25) were recruited from two Omani haemodialysis centres, and data were collected through semi-structured interviews, which were transcribed and analysed using a thematic analysis approach. NVivo 11 is used to manage qualitative data and create memos, nodes, and codes.
    RESULTS: Findings highlighted three themes: (i)\"Inevitability of fatigue,\" (ii)\"Contributors to physical fatigue,\" and (iii)\"Contributors to mental fatigue.\" Theme one alluded to the inevitability of fatigue and the unique experience encountered by patients. Theme two addressed the physical fatigue associated with ESKD-related factors, such as chronically low haemoglobin levels, and the exhausting impact caused by the frequency and travelling distance for treatment sessions. Theme three, mental fatigue, was notably driven by heightened emotional disturbance, encompassing frustration, guilt, anxiety, and distress, that in turn impacted family interactions, frequently triggering anger and remorse. Moreover, mental fatigue is a result of disturbances in expressing physical sexuality in marriage, as physical fatigue was found to be a significant contributor to unsatisfactory sexual experiences and, thus, straining the relationships between couples.
    CONCLUSIONS: This study offers an explanation of fatigue among Omani patients with ESKD who are receiving haemodialysis. The study emphasises close links between physiological change, the haemodialysis process, and mental tiredness, together with their contribution to supporting the need for a holistic approach and care strategies in managing these patients and promoting patient and family well-being.
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  • 文章类型: Journal Article
    血液透析(HD)患者的风险预测具有挑战性,因为透析方案对患者容量状态的影响以及与心脏功能的复杂相互作用,合并症和高血压。心脏功能作为HD患者心血管(CV)死亡率的关键预测指标,在日常生活中评估具有挑战性。因此,这项研究的目的是调查小说的关联,收缩功能与死亡率的非侵入性相对指数,并评估其与容积去除的相互作用。
    本分析共纳入558名(373名男性/185名女性)HD患者,中位年龄为66岁。他们接受了24小时动态血压监测,包括波强度分析[即S:D比(SDR)]。全因死亡率和CV死亡率作为终点,多变量比例风险模型用于风险预测。根据超滤量分析了三分位数的透析内变化。在37.8个月的随访中,193例患者死亡(92例因CV原因死亡)。
    SDR与全因{单变量风险比[HR]1.36[95%置信区间(CI)1.20-1.54]显著相关,P<.001}和CV[单变量HR1.41(95%CI1.20-1.67),P<.001]死亡率。在多变量分析中,考虑到可能的混杂因素,这些关联仍然很重要。三个超滤体积组的SDR从透析前/透析前平均值到透析后平均值的变化显着不同。
    这项研究为新的收缩功能指数与死亡率的独立关联提供了有力的证据。此外,它揭示了测量的透析中变化与透析中体积去除之间的显着关联。
    UNASSIGNED: Risk prediction in haemodialysis (HD) patients is challenging due to the impact of the dialysis regime on the patient\'s volume status and the complex interplay with cardiac function, comorbidities and hypertension. Cardiac function as a key predictor of cardiovascular (CV) mortality in HD patients is challenging to assess in daily routine. Thus the aim of this study was to investigate the association of a novel, non-invasive relative index of systolic function with mortality and to assess its interplay with volume removal.
    UNASSIGNED: A total of 558 (373 male/185 female) HD patients with a median age of 66 years were included in this analysis. They underwent 24-hour ambulatory blood pressure monitoring, including wave intensity analysis [i.e. S:D ratio (SDR)]. All-cause and CV mortality served as endpoints and multivariate proportional hazards models were used for risk prediction. Intradialytic changes were analysed in tertiles according to ultrafiltration volume. During a follow-up of 37.8 months, 193 patients died (92 due to CV reasons).
    UNASSIGNED: The SDR was significantly associated with all-cause {univariate hazard ratio [HR] 1.36 [95% confidence interval (CI) 1.20-1.54], P < .001} and CV [univariate HR 1.41 (95% CI 1.20-1.67), P < .001] mortality. The associations remained significant in multivariate analysis accounting for possible confounders. Changes in the SDR from pre-/early- to post-dialytic averages were significantly different for the three ultrafiltration volume groups.
    UNASSIGNED: This study provides well-powered evidence for the independent association of a novel index of systolic function with mortality. Furthermore, it revealed a significant association between intradialytic changes of the measure and intradialytic volume removal.
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  • 文章类型: Journal Article
    血液透析(HD)人群久坐不动,有很大的心血管疾病风险。在一般人群中,每日步数的小幅增加与心血管死亡率的显著降低相关.这项研究探讨了每日步数与心血管疾病替代标志物之间的关系,包括左心室射血分数(LVEF)和自然T1(弥漫性心肌纤维化的标志物),在HD人群中。
    这是对CYCLE-HD研究(ISRCTN11299707)的每日步数和任务代谢当量(MET)与预后重要的心脏磁共振成像参数之间的关联的事后分析。未调整线性回归和多元线性回归调整年龄,身体质量指数,透析年份,血红蛋白,进行高血压和超滤量。使用具有四个自由度(五个节)的自然三次样条模型探索了显着关系。
    共纳入107名参与者[年龄56.3±14.1岁,79(73.8%)男性]。每日步数中位数为2558(四分位距1054-4352)。步骤与LVEF(β=0.292;P=.009)和步骤与天然T1(β=-0.245;P=.035)之间存在显着关联。进一步的建模表明,LVEF的大部分增加发生在多达2000步/天的情况下,并且步骤与天然T1之间存在剂量-反应反比关系,其中天然T1的减少最明显,约为2500至6000步/天。
    结果表明,HD人群的每日步数与心血管健康参数之间存在关联。这些发现支持鼓励体育锻炼的建议,但不是理由。进一步的研究应该评估简单的身体活动干预是否可以改善接受维持性HD的个体的心血管结局。
    UNASSIGNED: The haemodialysis (HD) population is sedentary, with substantial cardiovascular disease risk. In the general population, small increases in daily step count associate with significant reductions in cardiovascular mortality. This study explores the relationship between daily step count and surrogate markers of cardiovascular disease, including left ventricular ejection fraction (LVEF) and native T1 (a marker of diffuse myocardial fibrosis), within the HD population.
    UNASSIGNED: This was a post hoc analysis of the association between daily step count and metabolic equivalent of task (MET) and prognostically important cardiac magnetic resonance imaging parameters from the CYCLE-HD study (ISRCTN11299707). Unadjusted linear regression and multiple linear regression adjusted for age, body mass index, dialysis vintage, haemoglobin, hypertension and ultrafiltration volume were performed. Significant relationships were explored with natural cubic spline models with four degrees of freedom (five knots).
    UNASSIGNED: A total of 107 participants were included [age 56.3 ± 14.1 years, 79 (73.8%) males]. The median daily step count was 2558 (interquartile range 1054-4352). There were significant associations between steps and LVEF (β = 0.292; P = .009) and steps and native T1 (β = -0.245; P = .035). Further modelling demonstrated most of the increase in LVEF occurred at up to 2000 steps/day and there was an inverse dose-response relationship between steps and native T1, with the most pronounced reduction in native T1 between ≈2500 and 6000 steps/day.
    UNASSIGNED: The results suggest an association between daily step count and parameters of cardiovascular health in the HD population. These findings support the recommendations for encouraging physical activity but are not the justification. Further research should evaluate whether a simple physical activity intervention improves cardiovascular outcomes in individuals receiving maintenance HD.
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