Association Between TG-to-HDL-C Ratio and In-Stent Stenosis Under Optical Coherence Tomography Guidance

Ya Li1,2, Peng Jin1,3, Fangjie Hou1,4

  • 1Department of Cardiology, Beijing Anzhen Hospital, Capital Medical University, Beijing, China.

Journal of Medical Systems
|November 22, 2018
PubMed

Insights

The triglyceride-to-HDL-C ratio is a significant risk factor for in-stent restenosis (ISR). This ratio can help diagnose ISR, a common complication after stenting.

Area of Science:

  • Cardiology
  • Biochemistry
  • Medical Diagnostics

Background:

  • In-stent restenosis (ISR) is a significant complication following coronary artery stenting.
  • Identifying reliable biomarkers for ISR is crucial for patient management and risk stratification.

Purpose of the Study:

  • To investigate the association between the triglyceride-to-HDL-C ratio and the incidence of ISR.
  • To evaluate the diagnostic efficacy of the TG-to-HDL-C ratio for ISR.

Main Methods:

  • Retrospective study including 99 patients with ISR and 122 control patients with <50% coronary stenosis.
  • Biochemical analysis of triglycerides (TG) and high-density lipoprotein cholesterol (HDL-C) to calculate the TG/HDL-C ratio.
  • Optical coherence tomography (OCT) used for microscopic assessment of ISR in affected patients.

Main Results:

  • Male gender, diabetes mellitus, and a higher TG-to-HDL-C ratio were identified as significant risk factors for ISR.
  • Logistic regression analysis confirmed these risk factors.
  • The TG-to-HDL-C ratio demonstrated a diagnostic accuracy (ROC curve area) of 0.725 for ISR.

Conclusions:

  • The TG-to-HDL-C ratio is a valuable and independent risk factor for ISR.
  • This lipid ratio shows potential as a diagnostic tool for identifying patients at risk of ISR.
  • Further research may elucidate the precise mechanisms linking this ratio to restenosis.

Related Concept Videos

Mitral Stenosis I: Introduction01:22

Mitral Stenosis I: Introduction

Mitral Valve Stenosis (MVS) is a heart condition where the mitral valve narrows, impeding blood circulation from the left atrium to the left ventricle. The etiology and pathophysiology of this condition are multifaceted, leading to a cascade of cardiovascular complications.Causes of Mitral Valve StenosisRheumatic Heart Disease: It is the main cause of mitral valve stenosis, particularly in developing nations. This condition arises from rheumatic fever, an inflammatory illness resulting from...
618
Poisson's Ratio01:23

Poisson's Ratio

Poisson's ratio is a material property that indicates their stress response. It explains the connection between the elongation or compression a material undergoes in the direction of an applied force and the contraction or expansion it experiences perpendicular to that force. When a slender bar is loaded axially, it stretches in the direction of the force and contracts laterally. Poisson's ratio is the negative ratio of this lateral contraction to the axial elongation. The negative sign...
1.1K
Odds Ratio01:09

Odds Ratio

The odds ratio (OR) is a statistical measure used extensively in epidemiology and research to quantify the strength of association between exposure and outcome across different groups. Unlike relative risk, which compares the probabilities of an event occurring, the odds ratio compares the odds of an event occurring in the exposed group to the odds of it occurring in the unexposed group. The odds, in this context, are calculated as the probability of the event happening divided by the...
1.9K
Hazard Ratio01:12

Hazard Ratio

The hazard ratio (HR) is a widely used measure in clinical trials to compare the risk of events, such as death or disease recurrence, between two groups over time. It reflects the ratio of hazard rates—the instantaneous risk of the event occurring—between a treatment group and a control group. This measure provides valuable insights into the relative effectiveness of a treatment by assessing how the risk of an event differs between the two groups.
For example, in a clinical trial...
613
Association Areas of the Cortex01:21

Association Areas of the Cortex

Association areas are regions of the cerebral cortex that do not have a specific sensory or motor function. Instead, they integrate and interpret information from various sources to enable higher cognitive processes such as memory, learning, and decision-making. Some key association areas include the following:
Prefrontal Association Area: This area is located in the frontal lobe and is involved in planning, decision-making, and moderating social behavior. It connects with primary motor areas,...
9.4K
Associative Learning01:27

Associative Learning

Associative learning is a fundamental concept in behavioral psychology, wherein a connection is established between two stimuli or events, leading to a learned response. This process is critical in understanding how behaviors are acquired and modified. Conditioning, the mechanism through which associations are formed, can be divided into two main types: classical conditioning and operant conditioning, each elucidating different aspects of associative learning.
Classical conditioning, also known...
1.3K