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Related Concept Videos

Cardiac Catheterization I: Pre-Procedure Overview01:28

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Cardiac catheterization is an invasive diagnostic technique used to identify and evaluate structural and functional diseases of the heart and major blood vessels. This technique diagnoses congenital heart disease, coronary artery disease, valvular heart disease, and coronary spasms and assesses ventricular function. It helps guide treatment decisions, including the need for revascularization procedures like percutaneous coronary intervention (PCI) or coronary artery bypass grafting (CABG) and...
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Blood Studies for Cardiovascular System I: Cardiac Biomarkers01:20

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Cardiac biomarkers are enzymes, proteins, and hormones released into the blood when cardiac cells are injured. They are powerful tools for triaging.
The essential diagnostic tools for detecting myocardial necrosis and monitoring individuals suspected of having acute coronary syndrome (ACS) include:
Troponins
Troponins, particularly cardiac troponins I and T, are the most precise and sensitive markers of myocardial injury. They are detectable within 4-6 hours of myocardial injury and remain...
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Acute Coronary Syndrome III: Diagnostic Studies01:30

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Diagnosing acute coronary syndrome or ACS begins with a thorough patient history. Notable symptoms include central, crushing chest pain radiating to the left arm, neck, jaw, or back, along with shortness of breath, sweating (diaphoresis), nausea, vomiting, dizziness, and palpitations.It is crucial to note any history of cardiac illnesses and assess risk factors, including age, gender, smoking, hypertension, diabetes, hyperlipidemia, and a sedentary lifestyle.During physical examination, vital...
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Cardiac Catheterization IV: Nursing Management01:26

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Nursing responsibilities before cardiac catheterization include:Assess for allergies and establish baseline health status.Before cardiac catheterization, assess the patient for allergies to contrast dye. Perform a comprehensive baseline assessment, including vital signs, heart and breath sounds, and a neurovascular assessment of the extremities, noting distal pulses, skin color, and temperature. Instruct the patient to fast for 8-12 hours before the procedure. Evaluate baseline laboratory...
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Acute Coronary Syndrome I: Introduction01:30

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Acute Coronary Syndrome (ACS) encompasses a spectrum of heart conditions caused by sudden obstruction of coronary arteries, typically resulting from the rupture of an atherosclerotic plaque and subsequent thrombus (blood clot) formation. This obstruction can lead to partial or complete blockage of blood flow, causing varying degrees of myocardial ischemia or infarction.ACS includes the following clinical entities:Unstable Angina (UA)Non-ST-Elevation Myocardial Infarction (NSTEMI)ST-Elevation...
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Urinary Tract Calculi VI: Surgical Management01:25

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Procedures for Kidney StonesMedical intervention is necessary when kidney stones or renal calculi are too large to pass spontaneously (typically greater than 5 millimeters) when stones are accompanied by symptomatic infection (such as fever or pyelonephritis), when they impair kidney function, or when they cause persistent symptoms like severe pain, nausea, or urinary retention. Additionally, patients with only one kidney or those who cannot be treated with medical management also require...
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Does percutaneous nephrolithotomy cause elevated cardiac troponins?

Hassan Shemirani1, Reza Khanjani2, Mehrdad Mohammadi-Sichani3

  • 1Associate Professor, Hypertension Research Center, Isfahan Cardiovascular Research Institute, Isfahan University of Medical Sciences, Isfahan, Iran.

ARYA Atherosclerosis
|June 26, 2014
PubMed
Summary
This summary is machine-generated.

Percutaneous nephrolithotomy does not elevate cardiac troponins (cTn) due to renal injury. Elevated cTn in patients undergoing this kidney stone surgery likely indicates cardiovascular issues, not muscle damage.

Keywords:
Acute Coronary SyndromeCardiac MarkersCoronary Artery DiseasePercutaneous NephrolithotomyTroponin

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Area of Science:

  • Nephrology
  • Cardiology
  • Urology

Background:

  • Percutaneous nephrolithotomy (PCNL) is a primary treatment for large and staghorn renal calculi.
  • Myocardial infarction is a recognized complication of PCNL.
  • The study investigates whether renal and skeletal muscle injury from PCNL elevates cardiac troponins (cTn).

Purpose of the Study:

  • To determine if percutaneous nephrolithotomy-induced renal and skeletal muscle injury elevates cardiac troponins.
  • To differentiate between non-cardiac causes of troponin elevation and actual cardiovascular events post-PCNL.

Main Methods:

  • Prospective study on 55 otherwise healthy patients undergoing PCNL for renal stones.
  • Baseline ECG, echocardiography, and cardiac troponin T (cTnT), troponin I (cTnI), and creatine kinase (CK) assessments confirmed no pre-existing cardiac pathology.
  • cTnT, cTnI, and CK levels were measured pre- and post-surgery.

Main Results:

  • Creatine kinase levels significantly increased post-surgery (469.5 ± 201.4 U/l, P < 0.001).
  • No elevation in cardiac troponin T or cardiac troponin I was detected after percutaneous nephrolithotomy.
  • Serum creatinine levels remained within the normal range (0.7-1.3 mg/dl).

Conclusions:

  • Renal cell injury from percutaneous nephrolithotomy is not associated with elevated cardiac troponins.
  • Post-operative troponin increases in PCNL patients suggest underlying cardiovascular pathology.
  • This finding helps in accurately diagnosing cardiac events in patients recovering from kidney stone surgery.