To compress the abdomen at 15 mmHg for 3 hours during the course of hemodialysis treatment.

Intradialytic Hypotension

The ACES will be used for HD patients who have had IDH episodes in the last month. For these patients, the ACES will impose a compression pressure of 15 mmHg to compress the abdominal section over the last three hours of the HD treatment. This action can increase venous return and hence cardiac output to improve the cardiovascular function of the patient. In this way, the IDH episode may be prevented or reduced in severity. This use is much less cumbersome over the use of IAB in dealing with PDOH. We perform this trial study to show the use ACES is more effective than the Trendelenburg maneuver or the infusion of isotonic saline, for example.

Abdominal Compression Elastic Support

University of Virginia

Abdominal Compression Elastic Support (ACES)

A Study of the Use of Abdominal Compression Elastic Support (ACES) for Hemodialysis Patients

This is an efficacy measure of the use of ACES to alleviate IDH. The investigators count the number of sessions with IDH and non-IDH sessions for the control ones and ACES sessions and use the Chi-square analysis to answer whether there is a significant reduction in the occurrence frequency of IDH. The investigators will examine in a similar way the counts based on the IDH development in the four hourly periods within a HD treatment for controls and those with ACES.

One blood sample is taken before the start of the HD session and the other at the end of the session. The investigators then measure the ALT and AST level of the samples. A student paired t-test will be used to examine whether the use of ACES increases the level of ALT and AST. If the result indicates insignificant increase, the investigators can then conclude that the use of ACES imposes no damage to the liver.

A student paired t-test will be used to examine whether the use of ACES alters the these weights beyond the control ones.

This is an assessment on the effectiveness of HD process and on whether it is affected with the use of ACES. A student paired t-test will be used.

This is an assessment on the effectiveness of ACES on whether it reduces the need to call for additional countermeasures. A student t-test will be used to analyze the number data.

This is an assessment on the effectiveness of HD process and on whether it is affected with the use of ACES. On the latter, a student paired t-test will be used to compare the difference between prescribed and delivered time to find out whether the difference is altered for the ACES session.

This is an assessment on the effectiveness of HD process and on whether the set Kt/V is achieved for ACES sessions. A student paired t-test will be used.

The recovery time will be considered as a quality assessment of the HD treatment. By a student paired t-test, we may find out whether the use of ACES will lead to faster recovery for the patients.

These parameters, in the form of yes or no, are subjectively provided by the patient for the investigators to assess whether the ACES will induce discomfort to the patient taking HD and whether they want to use ACES again.

orthostatic intolerance/ödəm

Abdominal Compression Elastic Support (ACES)

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