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Developing a Non-invasive Cardiac Functional Health Status Measurement Device

2016年2月9日 更新者：University of Florida

Developing a Non-invasive Cardiac Functional Health Status Measurement Device to be Used in a Critical Population of Adults and Children With Heart Failure.

This is a single-center, non-randomized study.Enrolled patients will be placed on a tilt table and a stress test will be performed in a total of 4 different positions. Their blood pressure will be measured at each position. Also, a pulse oximeter will be placed on the forehead to measure pulse rate and strength. These results will be compared to cardiac functional classifications defined by New York Heart Association (NYHA) criteria for adults and New York Pediatric Heart Failure (NYPHF) index for our pediatric age patients. The primary aim of this initiative is to assess the discriminatory value of a cardiac functional health classification based upon the degree of dependency of cardiac function on changes in cardiac preload and afterload circulatory volume.

研究概览

地位

终止

条件

干预/治疗

详细说明

Participants will be asked to review the informed consent and consent to the study prior to any study procedures. The study will consist of a single visit to the Medical Plaza at the University of Florida. During this visit, Enrolled patients will be placed on a tilt table and their position changed to a total of 4 different positions. Their blood pressure will be measured at each position. Also, a pulse oximeter will be placed on the forehead to measure pulse rate and strength. The study will take approximately 25 minutes. Data collected shall include a questionnaire for the patient, a list of the patient's co-morbidities, an echocardiogram or catheter lab data if available, and a list of the patient's current medications.

研究类型

介入性

注册 (实际的)

10

阶段

  • 不适用

联系人和位置

本节提供了进行研究的人员的详细联系信息，以及有关进行该研究的地点的信息。

学习地点

  • 美国
    • Florida
      • Gainesville、Florida、美国、32610
        • University of Florida

参与标准

研究人员寻找符合特定描述的人，称为资格标准。这些标准的一些例子是一个人的一般健康状况或先前的治疗。

资格标准

适合学习的年龄

7年 至 74年 (孩子、成人、年长者)

接受健康志愿者

是的

有资格学习的性别

全部

描述

Inclusion Criteria:

  • Heart failure patient eligibility shall consist of the following:

Group 1a: 5 adult heart transplant patients

  • Age ≥ 21 years old and <74 years old
  • Speaks and understands English
  • Provides Informed Consent

Group 1b: 5 pediatric heart transplant patients

  • Age ≥ 7 years old and < 21 years old
  • Speaks and understands English
  • Provides Informed Consent

Group 2: 5 adult heart failure patients

  • Age ≥ 21 years old and <74 years old
  • Speaks and understands English
  • Provides Informed Consent

Group 3: 5 adult aged Fontan patients

  • Age ≥ 21 years old and <74 years old
  • Speaks and understands English
  • Provides Informed Consent

Group 4: 5 pediatric Fontan patients

  • Age ≥ 7 years old and < 21 years old
  • Speaks and understands English
  • Provides Informed Consent

Group 5: 5 pediatric patients limited to heart murmurs

  • Age ≥ 7 years old and < 21 years old
  • Speaks and understands English
  • Provides Informed Consent

Group 6: 5 normal adult patients

  • Age ≥ 21 years old and <74 years old
  • Speaks and understands English
  • Provides Informed Consent

Exclusion Criteria:

  • • Unstable patients per judgment of the clinician prior to the start of the treatment

    • Patients unable to have blood pressure cuff measured on the upper arm
    • Inability to wear monitor on forehead
    • Patients will be excluded from the study if they have eaten, consume caffeinated beverages, or taken hypertensive medications within 2 hours of testing

学习计划

本节提供研究计划的详细信息，包括研究的设计方式和研究的衡量标准。

研究是如何设计的？

设计细节

  • 主要用途：诊断
  • 分配：不适用
  • 介入模型：单组作业
  • 屏蔽：无（打开标签）

武器和干预

参与者组/臂
干预/治疗
实验性的：CVInsight (TM)
Patient will be placed on a tilt table and pulse oximetry (Nonin Medical)and blood pressure will be measured at different table positions (different angles). A hemodynamic monitor called CVInsight(TM) will be used to monitor the pulse oximeter readings.
设备：CVInsight(TM)
Patient will be placed on a tilt table and pulse oximetry (Nonin Medical) and blood pressure will be measured at different table positions (different angles). Four positions will be explored. A hemodynamic monitor called CVInsight(TM) will be used to monitor the pulse oximeter readings.

研究衡量的是什么？

主要结果指标

结果测量
措施说明
大体时间
Pulse Rate
大体时间：Average pulse rate from baseline to 30 minutes
Continuous change of pulse rate from baseline through the end of the study will be followed. Changes in pulse rate will be plotted against the four tilt table positions. Four positions will be explored, Mounting position, baseline, passive leg raise (cardiac preload dependent) and orthostasis head raise (cardiac afterload dependent). Patients go from mounting position, to baseline, to the corresponding position (passive leg raise or orthostasis head raise) and back to baseline. The assessment will take 30 minutes. From the graph, average pulse rate is calculated.
Average pulse rate from baseline to 30 minutes
Pulse Strength
大体时间：Average pulse strength from baseline to 30 minutes
Continuous change of pulse strength from baseline through the end of the study. Pulse strength is measured as volts by the system. Changes in pulse strength will be plotted against the four tilt table positions. Four positions will be explored, Mounting position, baseline, passive leg raise (cardiac preload dependent) and orthostasis head raise (cardiac afterload dependent). Patients go from mounting position, to baseline, to the corresponding position (passive leg raise or orthostasis head raise) and back to baseline. The assessment will take 30 minutes. Cardiac function curves will be constructed with the data collected and average pulse strength from baseline to 30 minutes will be reported.
Average pulse strength from baseline to 30 minutes

合作者和调查者

在这里您可以找到参与这项研究的人员和组织。

赞助

University of Florida

研究记录日期

这些日期跟踪向 ClinicalTrials.gov 提交研究记录和摘要结果的进度。研究记录和报告的结果由国家医学图书馆 (NLM) 审查，以确保它们在发布到公共网站之前符合特定的质量控制标准。

研究主要日期

学习开始

2013年6月1日

初级完成 (实际的)

2015年1月1日

研究完成 (实际的)

2015年1月1日

研究注册日期

首次提交

2013年4月15日

首先提交符合 QC 标准的

2013年6月10日

首次发布 (估计)

2013年6月13日

研究记录更新

最后更新发布 (估计)

2016年2月10日

上次提交的符合 QC 标准的更新

2016年2月9日

最后验证

2016年2月1日

更多信息

与本研究相关的术语

关键字

其他相关的 MeSH 术语

其他研究编号

  • IRB201300055

此信息直接从 clinicaltrials.gov 网站检索，没有任何更改。如果您有任何更改、删除或更新研究详细信息的请求，请联系 register@clinicaltrials.gov. clinicaltrials.gov 上实施更改，我们的网站上也会自动更新.

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