Optimised Procedure in Patients With NSTEMI and CKD

Study Results

Results pending

The study team has not published outcome measurements, participant flow, or safety data for this trial yet. Check back later for updates.

Basic Information

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Recruitment Status

TERMINATED

Clinical Phase

NA

Total Enrollment

1 participants

Study Classification

INTERVENTIONAL

Study Start Date

2015-09-30

Study Completion Date

2018-01-31

Brief Summary

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Aim of the study is the determination of the ideal timepoint for the treatment of patients with acute Non-ST-segment Elevation Myocardial Infarction (NSTEMI) and an acute or chronic kidney disease (CKD) with a GRACE score \< 140. It should be determine if a prompt coronary angiography or the protection of the kidneys from the used contrast agent is more important for the outcome of the patients. Additionally it will be investigated if the ischemic precondition can help to prevent heart damages.

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Detailed Description

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According to international guidelines a coronary angiography has to be performed within 72h for patients with (NSTEMI).

Patients with a GRACE score \> 140 belong to the high risk group and the coronary angiography has to be performed within 24h.

Until today for patients with a GRACE score \> 140 and an acute or chronic kidney disease (CKD) the best approach is not known even though up to 40% of all NESTMI patients belong to this population. CKD in connection with an NSTEMI is one predictor for short and long term mortality and serious bleeding as a complication of coronary angiography. Additionally patient with CKD are at risk to experience a contrast agent induced aggravation of the CKD right up to a kidney failure. The pre- and post treatment of the kidneys seem to reduce this risk. The irrigation of the kidneys up to 48h prior coronary angiography optimises the kidney function and buffers the aggravation of kidney function caused by fluid loss or abstention at home.

Additionally the influence of ischemic precondition on one arm of the patient will be evaluated in this setting. First studies give a hint that the kidneys may be protected against the contrast agent of the following catheter examination by ischemic precondition.

Conditions

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Non-ST-segment Elevation Myocardial Infarction Chronic Kidney Disease

Study Design

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Allocation Method

RANDOMIZED

Intervention Model

PARALLEL

Primary Study Purpose

TREATMENT

Blinding Strategy

NONE

Study Groups

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group A

direct coronary angiography

Group Type EXPERIMENTAL

coronary angiography

Intervention Type PROCEDURE

group B

direct coronary angiography plus ischemic precondition

Group Type EXPERIMENTAL

coronary angiography

Intervention Type PROCEDURE

ischemic precondition

Intervention Type PROCEDURE

four cycles of congestion and flow of blood in the arm of the patient for 5 minutes

group C

delayed coronary angiography; the kidneys will be irrigated prior to coronary angiography

Group Type EXPERIMENTAL

coronary angiography

Intervention Type PROCEDURE

prior kidney irrigation

Intervention Type PROCEDURE

group D

delayed coronary angiography plus ischemic precondition; the kidneys will be irrigated prior to coronary angiography

Group Type EXPERIMENTAL

coronary angiography

Intervention Type PROCEDURE

ischemic precondition

Intervention Type PROCEDURE

four cycles of congestion and flow of blood in the arm of the patient for 5 minutes

prior kidney irrigation

Intervention Type PROCEDURE

Interventions

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coronary angiography

Intervention Type PROCEDURE

ischemic precondition

four cycles of congestion and flow of blood in the arm of the patient for 5 minutes

Intervention Type PROCEDURE

prior kidney irrigation

Intervention Type PROCEDURE

Eligibility Criteria

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Inclusion Criteria

* patient with an acute NSTEMI
* patient with a GRACE score \< 140
* patient with an acute or a chronic kidney disease (stage 1 - 5)
* patient who agree with the randomized assignment to one of the study groups in written
* signed Informed content prior to study inclusion
* patient who are legally competent at the time of study inclusion

Exclusion Criteria

* pregnancy
* nursing women
* patient has been committed to an institution by legal or regulatory order
* Mental condition rendering the subject unable to understand the nature, scope and possible consequences of the study
* participation in a parallel clinical trial
* subjects who are in any state of dependency to the investigators

Minimum Eligible Age

18 Years

Eligible Sex

ALL

Accepts Healthy Volunteers

No