Predictors of incipient dysfunction of all cardiac chambers after treatment of metastatic renal cell carcinoma by tyrosine kinase inhibitors

Sherif Moustafa, Thai H Ho, Parth Shah, Katie Murphy, Bhargava K. Nelluri, Howard Lee, Susan Wilansky, Farouk Mookadam

Research output: Contribution to journalArticle

4 Citations (Scopus)

Abstract

Purpose: We aimed to explore the hypothesis that early subclinical cardiac chamber dysfunction secondary to tyrosine kinase inhibitors (TKIs) in patients with metastatic renal cell carcinoma could be signaled by abnormal cardiac mechanics demonstrated by velocity vector imaging. Methods: Echocardiographic images were acquired from the apical views in 23 metastatic renal cell carcinoma patients. All patients had baseline and at least a 3-month follow-up echocardiogram after receiving TKI therapy. Subendocardial borders of all the cardiac chambers were traced to obtain volumetric and deformation indices. Results: Mean age was 67 ± 9 years with 92% men. The right ventricle peak systolic global longitudinal strain (GLe(open)) and strain rate were significantly lower after TKIs (-23.49 ± 5.1 versus -19.81 ± 5.5, p = 0.002 and -1.52 ± 0.52 versus -1.24 ± 0.35 p = 0.02, respectively). LV GLe(open) was not statistically different. Volumetric and deformation indices showed a minimal decrease of the right atrium reservoir and conduit functions, and no significant changes of left atrial function. Conclusions: The right heart exhibited greater strain changes than the left heart after TKI treatment. The implications of these findings and their potential significance warrant further work.

Original languageEnglish (US)
JournalJournal of Clinical Ultrasound
DOIs
StateAccepted/In press - 2016

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Renal Cell Carcinoma
Protein-Tyrosine Kinases
Left Atrial Function
Therapeutics
Heart Atria
Mechanics
Heart Ventricles

Keywords

  • Cardiac chambers
  • Echocardiography
  • Function
  • Renal cell carcinoma
  • Tyrosine kinase inhibitors
  • Velocity vector imaging

ASJC Scopus subject areas

  • Radiology Nuclear Medicine and imaging

Cite this

Predictors of incipient dysfunction of all cardiac chambers after treatment of metastatic renal cell carcinoma by tyrosine kinase inhibitors. / Moustafa, Sherif; Ho, Thai H; Shah, Parth; Murphy, Katie; Nelluri, Bhargava K.; Lee, Howard; Wilansky, Susan; Mookadam, Farouk.

In: Journal of Clinical Ultrasound, 2016.

Research output: Contribution to journalArticle

Moustafa, Sherif ; Ho, Thai H ; Shah, Parth ; Murphy, Katie ; Nelluri, Bhargava K. ; Lee, Howard ; Wilansky, Susan ; Mookadam, Farouk. / Predictors of incipient dysfunction of all cardiac chambers after treatment of metastatic renal cell carcinoma by tyrosine kinase inhibitors. In: Journal of Clinical Ultrasound. 2016.
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abstract = "Purpose: We aimed to explore the hypothesis that early subclinical cardiac chamber dysfunction secondary to tyrosine kinase inhibitors (TKIs) in patients with metastatic renal cell carcinoma could be signaled by abnormal cardiac mechanics demonstrated by velocity vector imaging. Methods: Echocardiographic images were acquired from the apical views in 23 metastatic renal cell carcinoma patients. All patients had baseline and at least a 3-month follow-up echocardiogram after receiving TKI therapy. Subendocardial borders of all the cardiac chambers were traced to obtain volumetric and deformation indices. Results: Mean age was 67 ± 9 years with 92{\%} men. The right ventricle peak systolic global longitudinal strain (GLe(open)) and strain rate were significantly lower after TKIs (-23.49 ± 5.1 versus -19.81 ± 5.5, p = 0.002 and -1.52 ± 0.52 versus -1.24 ± 0.35 p = 0.02, respectively). LV GLe(open) was not statistically different. Volumetric and deformation indices showed a minimal decrease of the right atrium reservoir and conduit functions, and no significant changes of left atrial function. Conclusions: The right heart exhibited greater strain changes than the left heart after TKI treatment. The implications of these findings and their potential significance warrant further work.",
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AU - Moustafa, Sherif

AU - Ho, Thai H

AU - Shah, Parth

AU - Murphy, Katie

AU - Nelluri, Bhargava K.

AU - Lee, Howard

AU - Wilansky, Susan

AU - Mookadam, Farouk

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