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Related Concept Videos

Aortic Regurgitation II: Clinical Features and Diagnostic Tests01:22

Aortic Regurgitation II: Clinical Features and Diagnostic Tests

Aortic valve regurgitation (AR) occurs when the aortic valve fails to close properly, allowing blood to flow backward from the aorta into the left ventricle. This backflow can result in two distinct clinical presentations: acute and chronic AR, each characterized by its own set of symptoms and physical findings.Acute Aortic RegurgitationAcute AR presents with a sudden onset of severe symptoms. Patients typically experience profound dyspnea (shortness of breath), chest pain, and signs of left...

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Related Experiment Video

Updated: Jun 17, 2026

Noninvasive Determination of Vortex Formation Time Using Transesophageal Echocardiography During Cardiac Surgery
04:48

Noninvasive Determination of Vortex Formation Time Using Transesophageal Echocardiography During Cardiac Surgery

Published on: November 28, 2018

Differential changes in longitudinal and area-based right ventricular function after aortic surgery: an exploratory

Bekir Bogachan Akkaya1, Dogan Emre Sert1, Mehmet Murat Yiğitbaşı2

  • 1Ankara Bilkent City Hospital, Department of Cardiovascular Surgery, University of Health Sciences, Ankara, Turkey.

BMC Surgery
|June 16, 2026
PubMed
Summary

Right ventricular (RV) function parameters change differently after aortic surgery, with longitudinal measures like TAPSE decreasing more than area-based FAC. The novel RV-FDI index may describe this dissociation but requires further validation.

Keywords:
Aortic surgeryCardiac surgeryEchocardiographyFractional area changeRight ventricular functionTricuspid annular plane systolic excursion

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Transthoracic Echocardiography to Assess Post-Resuscitation Left Ventricular Dysfunction After Acute Myocardial Infarction and Cardiac Arrest in Pigs

Published on: July 12, 2022

Area of Science:

  • Cardiology
  • Echocardiography
  • Cardiac Surgery

Background:

  • Reductions in right ventricular (RV) longitudinal parameters, such as tricuspid annular plane systolic excursion (TAPSE), are common post-cardiac surgery.
  • Postoperative changes in longitudinal RV motion may not align with other standard echocardiographic RV function indices.

Purpose of the Study:

  • To evaluate early postoperative changes in both longitudinal and area-based RV functional parameters following elective aortic surgery.
  • To assess the potential utility of a novel Right Ventricular Functional Dissociation Index (RV-FDI) in describing non-uniform RV function changes.

Main Methods:

  • A retrospective analysis of 102 patients undergoing elective aortic surgery.
  • Preoperative and early postoperative transthoracic echocardiography to assess RV function parameters including TAPSE, fractional area change (FAC), and S' velocity.
  • Calculation of the RV-FDI as the ratio of postoperative-to-preoperative FAC to postoperative-to-preoperative TAPSE.

Main Results:

  • Significant reductions were observed in TAPSE, FAC, and S' velocity postoperatively (p < 0.001 for all).
  • The relative reduction in TAPSE was significantly greater than in FAC (-17.8% vs. -12.2%, p=0.00027), indicating non-uniform changes.
  • Mean RV-FDI was 1.09 ± 0.16, with no significant differences between surgical approaches or associations with clinical outcomes.

Conclusions:

  • Elective aortic surgery leads to a greater early postoperative reduction in longitudinal RV indices compared to area-based FAC.
  • The RV-FDI may offer an exploratory description of this RV functional dissociation but is not a validated clinical marker.
  • Further research incorporating RV strain and advanced imaging is needed to understand the physiological and prognostic implications.