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July 15, 1995Circulation

A Study in Ventricular–Ventricular Interaction

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Why the study?

How does ventricular-ventricular interaction affect the biomechanics of systemic right ventricles in patients with congenital heart disease?

Population

18 patients with systemic right ventricles: 7 with a single right ventricle who have undergone the Fontan…

Comparison

Noninvasive magnetic resonance tagging technique vs Normal human adult left ventricles studied by…

Design

Cross-sectional

Authors

MFMark A. FogelPediatric CardiologyPWPaul M. WeinbergStevens Institute of TechnologyKFKenneth E. FellowsChildren's Hospital of Philadelphia

Discussion

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Implication

Ventricular interaction may shape systemic RV mechanics in CHD; leaves open whether modulating coupling improves outcomes.

Structured PICO

How does ventricular-ventricular interaction affect the biomechanics of systemic right ventricles in patients with congenital heart disease?

P
Population
18 patients with systemic right ventricles: 7 with a single right ventricle who have undergone the Fontan procedure (age, 38.8 +/- 8.9 months) and 11 with transposition of the great arteries who have undergone an atrial inversion operation (age, 16.3 +/- 3.9 years).
I
Intervention
Noninvasive magnetic resonance tagging technique (spatial modulation of magnetization [SPAMM])
C
Comparator
Normal human adult left ventricles studied by the use of the same method
O
Outcome
Regional twist, radial shortening, shortening rates, and two-dimensional strain tensorsurrogate

Ventricular-ventricular interaction significantly affects the biomechanics of systemic right ventricles, demonstrating marked differences in regional wall motion and strain compared to normal left ventricles.

Cite This Study

Fogel et al. (1995) studied this question.

synapsesocial.com/papers/6a728cb7febe604dd70aaa18https://doi.org/10.1161/01.cir.92.2.219

Topics

Congenital heart disease adults
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Also Consider

Synapse has enriched 5 closely related papers on similar clinical questions. Consider them for comparative context:

  1. 1Evaluation of left ventricular segmental wall motion in hypertrophic cardiomyopathy with myocardial tagging.1992 · 202 citations
  2. 2Dependence of left ventricular twist-radial shortening relations on cardiac cycle phase1989 · 102 citations
  3. 3Torsion of the left ventricle during the ejection phase in the intact dog1984 · 144 citations
  4. 4Calculation of three‐dimensional left ventricular strains from biplanar tagged MR images1992 · 122 citations
  5. 5Contribution of left ventricular contraction to the generation of right ventricular systolic pressure in the human heart.1985 · 140 citations