What is the clinical evidence from this study?

Study design: Observational. Population: Suspected acute coronary syndrome (n=37). Intervention: Cardiac markers (myoglobin, troponin I, CK, CKMB). Primary outcome: Early diagnosis of myocardial infarction (100% sensitivity).

What question did this study set out to answer?

The study examines the accuracy of cardiac markers for early diagnosis and prognosis in suspected acute coronary syndrome.

November 15, 2002Annals of the Academy of Medicine Singapore

A Preliminary Study of the Utility of Combined Cardiac Markers in the Evaluation of Patients Presenting Early with Suspected Acute Coronary Syndrome

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Key result

Myoglobin demonstrated 100% sensitivity for the early diagnosis of myocardial infarction in patients presenting with chest pain and non-diagnostic electrocardiograms.

Why the study?

Does the combination of cardiac markers improve early diagnosis of myocardial infarction and prognosticate adverse events in patients presenting early with suspected acute coronary syndrome?

Population

37 patients admitted within 8 hours of maximal chest pain suggestive of acute coronary syndrome with…

Design

Cohort

Follow-up

3 months

Authors

JLJue Tao LimNational University of Singapore RHRobert C. HawkinsTan Tock Seng Hospital KNKenneth NgMaimonides Medical Center

Discussion

Member takes

Implication

Myoglobin may support earliest MI detection in non-diagnostic ECG cases; leaves open incremental prognostic value over contemporary troponin assays.

Key Points

The study examines the accuracy of cardiac markers for early diagnosis and prognosis in suspected acute coronary syndrome.
Patients admitted within 8 hours of chest pain were recruited.
Blood samples were collected at admission and 4 hours later for analysis.
Results were correlated with final hospital discharge diagnoses.
Myoglobin exhibited 100% sensitivity for early myocardial infarction prediction.
Patients with elevated troponin I levels and normal CK and myoglobin showed significantly higher risk of major adverse clinical events (MACE) within 3 months.
50% of participants had a Thrombolysis in Myocardial Infarction (TIMI) risk score ≥3.

Study Design

Type

Observational (n=37)

Structured PICO

Does the combination of cardiac markers improve early diagnosis of myocardial infarction and prognosticate adverse events in patients presenting early with suspected acute coronary syndrome?

Population

37 high-risk patients admitted within 8 hours of chest pain suggestive of acute coronary syndrome with non-diagnostic electrocardiograms, followed for up to 3 months.

Exposure

Measurement of cardiac markers (myoglobin, troponin I, CKMB mass, CK, CKMB activity) on admission and 4 hours later.

Outcome

Early diagnosis of myocardial infarction (correlated to final hospital discharge diagnosis).hard clinical

Main Result

Effect estimate: 100% sensitivity

Myoglobin is highly sensitive for early MI diagnosis in suspected ACS with non-diagnostic ECGs, while isolated troponin I elevation predicts higher 3-month MACE risk.

Cite This Study

Lim et al. (2002) conducted an observational in Suspected acute coronary syndrome (n=37). Cardiac markers (myoglobin, troponin I, CK, CKMB) was evaluated on Early diagnosis of myocardial infarction (100% sensitivity). Myoglobin demonstrated 100% sensitivity for the early diagnosis of myocardial infarction in patients presenting with chest pain and non-diagnostic electrocardiograms.

synapsesocial.com/papers/6a64e007ec8cfacf08a88907 https://doi.org/10.47102/annals-acadmedsg.v31n6p772

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Implication

Myoglobin may support earliest MI detection in non-diagnostic ECG cases; leaves open incremental prognostic value over contemporary troponin assays.

A Preliminary Study of the Utility of Combined Cardiac Markers in the Evaluation of Patients Presenting Early with Suspected Acute Coronary Syndrome

Discussion

Member takes

Implication

Key Points

Study Design

Structured PICO

Main Result

Cite This Study

A Preliminary Study of the Utility of Combined Cardiac Markers in the Evaluation of Patients Presenting Early with Suspected Acute Coronary Syndrome

Discussion

Member takes

Implication

Key Points

Study Design

Structured PICO

Main Result

Cite This Study

Also Consider

Also Consider