1. Timing of valve repair for severe degenerative mitral regurgitation and long-term left ventricular function 
Takeshi Kitai, MD, Yukikatsu Okada, MD, Yu Shomura, MD, Tomoko Tani, MD, Shuichiro Kaji, MD, Toru Kita, MD, Yutaka Furukawa, MD 
The Journal of Thoracic and Cardiovascular Surgery 
Volume 148, Issue 5, Pages (November 2014)
DOI: /j.jtcvs
Copyright © 2014 The American Association for Thoracic Surgery Terms and Conditions

2. Figure 1
Classification and incidence of postoperative left ventricular dysfunction in 473 patients based on preoperative LVEF (> or ≤63%) and LVESD (≥ or <39 mm). LVEF, Left ventricular ejection fraction; LVESD, left ventricular end-systolic dimension.
The Journal of Thoracic and Cardiovascular Surgery  , DOI: ( /j.jtcvs )
Copyright © 2014 The American Association for Thoracic Surgery Terms and Conditions

3. Figure 2
Proportion of postoperative LV dysfunction among the 4 subgroups: group A, LVEF >63% and LVESD <39 mm; group B, LVEF >63% and LVESD ≥39 mm; group C, LVEF ≤63% and LVESD <39 mm; group D, LVEF ≤63% and LVESD ≥39 mm. LV, Left ventricular.
The Journal of Thoracic and Cardiovascular Surgery  , DOI: ( /j.jtcvs )
Copyright © 2014 The American Association for Thoracic Surgery Terms and Conditions