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Left ventricular mass regression following aortic valve replacement with mechanical valves

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Indian Journal of Thoracic and Cardiovascular Surgery Aims and scope Submit manuscript

Abstract

Objective

The degree of Left Ventricular Mass Index (LVMI) regression following aortic valve replacement correlates with long-term survival. This study aims to assess the extent of LVMI regression at 3 months following aortic valve replacement (AVR) with different types and sizes of mechanical valves in rheumatic aortic valve disease.

Methods

The LVMI regression was studied in 34 consecutive patients, undergoing elective AVR for rheumatic aortic stenosis and/or regurgitation. They were grouped in A and B, matched in age, body surface area and pre-operative LVMI, receiving respectively a tilting disc and a bileaflet mechanical valve. The LVMI was calculated by M-mode echocardiography using the Devereux' formula pre-operatively and three months post-operatively. The trend of LVMI reduction was compared between the two groups and amongst the patients with stenotic, regurgitant and mixed aortic valve, pathologies; and receiving different sizes of valves.

Results

The mean preoperative LVMI was 199g±79.5 g/m2. At three months post aortic valve replacement, the mean LVMI was 130g±49.0 g/m2. There was a significant reduction of LVMI post-operatively (p=0.001) at three months follow-up. The extent of LVMI regression following surgery amongst the groups A and B did not vary significantly (p=0.92). The extent of LVMI regression did not vary significantly in patients with different aortic valve pathology nor with different sizes of the valves implanted.

Conclusions

There is a significant early LVMI regression following aortic valve replacement in rheumatic aortic valve disease. The type and the size of the mechanical prosthesis or the rheumatic pathology do not appear to influence this regression.

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Authors and Affiliations

  1. Department of Cardio Vascular & Thoracic Surgery, KEM Hospital and Seth G S Medical College, 400012, Mumbai

    Ashutosh Singh M.Ch., Vidyut Kumar Sinha M.Ch., Jayant Khandekar M.Ch., Nandkishor Agrawal M.Ch., Anil Patwardhan M.Ch. &  Jagdish Kharideparkar M.Ch. (Professor & Chief of the Unit)

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  1. Ashutosh Singh M.Ch.
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  2. Vidyut Kumar Sinha M.Ch.
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  3. Jayant Khandekar M.Ch.
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  4. Nandkishor Agrawal M.Ch.
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  5. Anil Patwardhan M.Ch.
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  6. Jagdish Kharideparkar M.Ch.
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Correspondence to Jagdish Kharideparkar M.Ch..

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Singh, A., Sinha, V.K., Khandekar, J. et al. Left ventricular mass regression following aortic valve replacement with mechanical valves. Indian J Thorac Cardiovasc Surg 22, 121–125 (2006). https://doi.org/10.1007/s12055-006-0019-9

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  • DOI: https://doi.org/10.1007/s12055-006-0019-9

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