TY  - CHAP
M1  - Book, Section
TI  - Mitral Stenosis
A1  - Doherty, Gerard M.
Y1  - 2010
N1  - 
T2  - Quick Answers Surgery
AB  - •  Fibrous  annulus  of  mitral  valve  (MV)  is  thin,  incomplete  ring  of  fibrous  tissue•  Most  MVs  have  anterior  and  posterior  leaflets,  attached  by  thin  fibrous  chordae  tendineae  to  papillary  muscle•  Closed  during  systole  via  action  of  papillary  muscle  contraction,  open  during  diastole  when  LA  pressure  higher  than  LV  pressure•  Mitral  stenosis  (MS)  is  fibrosis,  narrowing  of  valvular  area  causing  ventricular  inflow  obstruction  during  diastole•  Early  valvular  disease  of  rheumatic  fever:  Acute  inflammatory  infiltrate  that  heals  by  fibrous  organization•  Leaflets  become  fibrotic  and  thickened  causing  reduced  pliability  and  surface  area•  Fusion  of  leaflets  at  commissures•  Calcification  may  occur  in  leaflets•  Chordae  thickened,  shortened,  and  fibrotic•  Mitral  complex  becomes  "fish  mouth"•  Results  in  pulmonary  congestion,  thickening  of  pulmonary  capillaries,  intimal  fibrosis  of  arterioles•  Pulmonary  hypertension  progresses  with  time  
SN  - 
PB  - The McGraw-Hill Companies
CY  - New York, NY
Y2  - 2024/04/23
UR  - accesssurgery.mhmedical.com/content.aspx?aid=58095073
ER  -