2Aoyagi K, Ross PD, Orloff J, et al. Low bone density is not associated with aortic calcification[J]. Calcif Tissue Int, 2001,69(1) :20-24.
3Branch KR, O'Brien KD, Otto CM. Aortic valve sclerosis as a marker of active atherosclerosis[J]. Curr Cardiol Rep,2002,4(2) :111-117.
4Chui MC, Newby DE, Panarelli M, et al. Association between calcific aortic stenosis and hypercholesterolemia : Is there a need for a randomized controlled trial of cholesterol-lowering therapy[J] ? Clin Cardiol, 2001,24 (1) : 52-55.
5Lee YS, Chou YY. Pathogenetic mechanism of senile calcific aortic stenosis : The role of apoptosis[J]. Chlin Med J (Engl), 1998,111(10) :934-939.
5[1]Passik CS,Ackermann DM,pluth JR,et al.Temporal changes in the cause of aortic atenosis.A surgical pathologic study of 646 cases[J].Mayo Clin Proc,1987;62(2):119-126.
6[2]Riquelme R,TorresA,Ebiary M,et al.Community-acquired pneumonia in the elderly.Clinical and nutritional aspects[J].Am J Respire Crit Care Med,1997; 156:1908-1914.
7Ionescu SD, Sandru V, Artenie R, et al. Analysis of some clinical aspects of degenerative valvular heart diseases in medical practice [J]. Rev Med Chir Soc Med Nat Iasi,2003,107( 1 ) :98 -101.
8Wong MC, Clark DJ, Horrigan MC, el al. Advances ill per- cutaneous treatment for adult valvular heart disease [ J ]. ln- tern Med, 2009,39(7) :465-474.
9lung B, Baron G, Butchart EG, et al. A prospective survey of patients with valvular heart disease in Europe: The Euro heart survey on valvular heart diseas [ J ]. Eur Heart, 2003,24(13) : 1231 : 1243.
