Search research articles

ABOUT JoVE

Overview Leadership Blog JoVE Help Center

AUTHORS

Publishing Process Editorial Board Scope & Policies Peer Review FAQ Submit

LIBRARIANS

Testimonials Subscriptions Access Resources Library Advisory Board FAQ

RESEARCH

JoVE Journal Methods Collections JoVE Encyclopedia of Experiments Archive

EDUCATION

JoVE Core JoVE Business JoVE Science Education JoVE Lab Manual Faculty Resource Center Faculty Site

Terms & Conditions of Use

Search research articles

Related Experiment Videos

Left ventricular mass regression early after aortic valve replacement

G T Christakis¹, C D Joyner, C D Morgan

¹Division of Cardiovascular Surgery, Sunnybrook Health Science Centre, University of Toronto, Ontario, Canada.

The Annals of Thoracic Surgery

|October 1, 1996

Summary

Related Concept Videos

You might also read

Related Articles

Articles linked to this work by shared authors, journal, and citation graph.

Sort by

Same author

Adiposity measures predict olfactory processing speed in older adult carriers of the apolipoprotein E ε4 allele.

Clinical neurophysiology : official journal of the International Federation of Clinical Neurophysiology·2011

Same author

How established wait time benchmarks significantly underestimate total wait times for cardiac surgery.

The Canadian journal of cardiology·2010

Same author

Evolution of sensory complexity recorded in a myxobacterial genome.

Proceedings of the National Academy of Sciences of the United States of America·2006

Same author

Composite arterial grafts versus conventional grafting for coronary artery bypass grafting.

The Journal of thoracic and cardiovascular surgery·2004

Same author

ICU readmission after cardiac surgery.

European journal of cardio-thoracic surgery : official journal of the European Association for Cardio-thoracic Surgery·2003

Same author

Induction of surface antigen CD69 expression in T-lymphocytes following exposure to actinomycin D.

International journal of immunopharmacology·2003

Left ventricular mass regression starts early after aortic valve replacement, regardless of prosthesis type. This significant reduction in left ventricular mass index occurs within days of surgery.

Area of Science:

Cardiology
Cardiac Surgery
Echocardiography

Background:

Left ventricular hypertrophy regression is a known benefit of aortic valve replacement.
The timing and prosthesis-type influence on early left ventricular mass regression are not well understood.

Purpose of the Study:

To investigate the earliest evidence of left ventricular mass regression post-aortic valve replacement.
To determine if prosthesis type affects early left ventricular mass regression.

Main Methods:

Transthoracic echocardiography measured left ventricular mass index in 57 patients undergoing isolated aortic valve replacement.
Measurements were taken preoperatively and before hospital discharge.

Main Results:

Related Experiment Videos

A significant reduction in left ventricular mass index was observed (141.4 to 127.5 g/m², p=0.0005).

No significant differences in regression were found between mechanical bileaflet, stented tissue bioprostheses, and stentless porcine bioprostheses.

Conclusions:

Left ventricular mass regression begins early after aortic valve replacement.
The type of prosthesis implanted does not appear to influence the extent of early mass regression.