Septal Myectomy Results in Regression of Left Ventricular Hypertrophy in Patients With Hypertrophic Obstructive Cardiomyopathy Subrato J. Deb, MD, Hartzell.

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Septal Myectomy Results in Regression of Left Ventricular Hypertrophy in Patients With Hypertrophic Obstructive Cardiomyopathy Subrato J. Deb, MD, Hartzell V. Schaff, MD, Joseph A. Dearani, MD, Rick A. Nishimura, MD, Steve R. Ommen, MD The Annals of Thoracic Surgery Volume 78, Issue 6, Pages 2118-2122 (December 2004) DOI: 10.1016/j.athoracsur.2004.05.063

Fig 1 Left ventricular (LV) mass (□) and left ventricular mass index (■) before and after transaortic septal myectomy. Mass regression was apparent on the early postoperative study and continued through the first 2 years after the operation. *p < 0.05 versus baseline. The Annals of Thoracic Surgery 2004 78, 2118-2122DOI: (10.1016/j.athoracsur.2004.05.063)

Fig 2 Early change in left ventricular (LV) mass among younger and older patients. *p < 0.05 versus baseline. ■ = younger than 50 years; □ = older than 50 years. The Annals of Thoracic Surgery 2004 78, 2118-2122DOI: (10.1016/j.athoracsur.2004.05.063)