Troponin Excretion in Urine in Patients With and Without Chronic Kidney Disease

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

COMPLETED

Total Enrollment

131 participants

Study Classification

OBSERVATIONAL

Study Start Date

2020-01-01

Study Completion Date

2023-12-31

Brief Summary

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In this study, in order to better understand the mechanism of troponin clearance and the reason for elevated troponin levels in patients with CKD, we aim to evaluate quantitatively the excretion of troponin in the urine in patients with and without CKD, and with and without myocardial injury. We will compare urinary troponin levels with blood troponin levels in these patients. In addition, we will compare the levels of hs-cTnT and hs-cTnI in the patients' sera and urine.

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Detailed Description

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The study population will be screened at the internal wards, the nephrology ward and clinic, and the intensive cardiac care unit (ICCU) of Soroka Medical Center. It will include patients who suffer from AMI, patients with CKD with and without any cardiac disease and patients with no known renal or cardiac disease.

The following information and measurements will be collected:

Demographics - age, sex, weight, height. Past medical history - specifically regarding renal and cardiac diseases and procedures.

Measured variables in blood serum - troponin T, troponin I, creatinine, total protein, albumin, myoglobin Measured variables in urine - troponin T, troponin I, creatinine, total protein, albumin, microalbumin, β2-microglobulin Calculations - GFR (according to MDRD equation), troponin correction to creatinine (gr troponin per gr creatinine), troponin excretion ( ), urine albumin/creatinine ratio, urine protein/creatinine ratio.

Conditions

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Chronic Kidney Diseases Acute Myocardial Infarction

Study Design

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Observational Model Type

COHORT

Study Time Perspective

CROSS_SECTIONAL

Study Groups

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Group 1 - Healthy subjects without any evidence of cardiac o

Inclusion criteria:

1. Normal serum troponin (below the 99th percentile)
2. GFR 60ml/min
3. Proteinuria \<1gr/gr creatinine

Blood and urine samples will be collected for troponin and other measures.