Identification of Prognostic Factors for Sepsis or Septic Shock Patients with Cardiac Dysfunction

Jinsheng Tian1, Yan Liu1, Yutong Zhao1

  • 1Intensive Care Unit, The First Hospital of Shanxi Medical University, Taiyuan City, 030001, Shanxi Province, China.

Insights

A new risk score using diabetes history, CRP, and NT-proBNP can predict 28-day mortality in sepsis-induced cardiac dysfunction (SIC) patients. This tool offers valuable short-term prognostic insight for clinical decision-making.

Area of Science:

  • Cardiology
  • Critical Care Medicine
  • Biomarkers

Background:

  • Sepsis-induced cardiac dysfunction (SIC) poses significant mortality risks.
  • Current prognostic tools for SIC lack comprehensive multi-index utility.
  • Identifying reliable predictors for short-term outcomes in SIC is clinically crucial.

Purpose of the Study:

  • To develop and validate a "risk score" for predicting 28-day mortality in patients with SIC.
  • To identify key clinical indexes that serve as independent risk factors for SIC mortality.
  • To establish prognostic thresholds for critical biomarkers in SIC.

Main Methods:

  • Lasso regression and COX regression analyses were employed.
  • Independent risk factors for 28-day mortality were identified.
  • Prognostic thresholds for C-reactive protein (CRP) and NT-proBNP were determined.

Main Results:

  • A history of diabetes, CRP, and NT-proBNP on day 3 were identified as independent risk factors for 28-day mortality.
  • The high-risk group identified by the Cox regression analysis showed a hazard ratio of 24.74 (95% CI: 5.90-103.71).
  • Prognostic thresholds were established at 83.3 mg/L for CRP and 1720.7 ng/L for NT-proBNP.

Conclusions:

  • A novel "risk score" model incorporating diabetes history, CRP, and NT-proBNP effectively predicts 28-day mortality in SIC patients.
  • This multi-index approach provides valuable short-term prognostic insight.
  • The developed risk score can aid clinicians in risk stratification and management of SIC.

Related Concept Videos

Blood Studies for Cardiovascular System I: Cardiac Biomarkers01:20

Blood Studies for Cardiovascular System I: Cardiac Biomarkers

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...
349
Heart Failure I: Introduction01:27

Heart Failure I: Introduction

Heart failure refers to a clinical syndrome caused by structural or functional cardiac disorders that prevent the heart from pumping an adequate amount of blood to meet the body's metabolic needs. This condition often arises from myocardial infarction or ischemia, leading to decreased cardiac output, reduced tissue perfusion, impaired gas exchange, fluid volume imbalance, and decreased functional ability.Heart failure can result from disruptions in the mechanisms that regulate cardiac output...
62
Blood Studies for Cardiovascular System II: CRP, Hcy, and Cardiac Natriuretic Peptide Markers01:19

Blood Studies for Cardiovascular System II: CRP, Hcy, and Cardiac Natriuretic Peptide Markers

Cardiac biomarkers are critical in diagnosing, prognosing, and managing cardiovascular diseases. Routine measurement of specific biomarkers such as B-type natriuretic peptide (BNP), C-reactive protein (CRP), and homocysteine (Hcy) is common practice in clinical settings to evaluate heart function and predict cardiovascular events.
These markers indicate stress or strain on the heart muscle:
Natriuretic Peptides (BNP)
Cardiac myocytes produce these hormones in response to ventricular stretching...
222
Pathophysiology of Heart Failure01:17

Pathophysiology of Heart Failure

Heart failure (HF) is a progressive syndrome involving ventricles that leads to inadequate cardiac output. It can be classified based on location and output or ejection fraction. Ejection fraction (EF) is an essential measurement in the diagnosis and surveillance of HF. Reduced EF corresponds to systolic heart failure (HFrEF). However, HF with preserved ejection fraction (HFpEF) is becoming increasingly prevalent. Also known as diastolic HF, this form of HF is related to aging. The...
1.9K
Imbalances in Cardiac Output01:26

Imbalances in Cardiac Output

The heart's primary function is to pump blood throughout the body, maintaining a balance between blood sent out (cardiac output) and blood returning (venous return). If this balance is disrupted, it can result in congestive heart failure (CHF), a severe condition where the heart becomes an inefficient pump, leading to inadequate blood circulation.
CHF can occur due to the failure of either side of the heart. Left-side failure leads to pulmonary congestion—the right side continues to send...
1.5K
Pathophysiology of Cardiac Performance01:29

Pathophysiology of Cardiac Performance

Typical heart performance is influenced by heart rate, rhythm, myocardial contraction, and metabolism or blood flow. The cardiac muscle exhibits distinct electrophysiological features, including pacemaker activity and calcium channel control, which play a vital role in the heart's response to various drugs. The autonomic nervous system, comprising the sympathetic and parasympathetic branches, regulates heart rate. Sympathetic activation increases heart rate, while parasympathetic activation...
813