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. 1977 Aug;39(8):839–843. doi: 10.1136/hrt.39.8.839

Mitral valve closure index. Echocardiographic index of severity of mitral stenosis.

M F Shiu
PMCID: PMC483328  PMID: 901675

Abstract

A new echocardiographic index of mitral valve diastolic closure, based on the rate of diastolic apposition of the anterior and posterior mitral leaflet echoes, was measured in 40 patients with mitral stenosis. This mitral valve closure index correlated highly significantly with the mitral valve orifice area (calculated from the Gorlin formula) (r = 0-87). Correlation between the diastolic closure rate (based) on the EF slope) and the calculated valve area was poor (r = 0-37). It is proposed that the mitral valve closure index excludes movement extraneous to the mitral apparatus and expresses the actual rate of valve closure, thus avoiding some of the factors known to contribute to the poor specificity of the diastolic closure rate. The better correlation of the mitral valve closure index with the calculated valve orifice area makes it possible to assess the severity of mitral stenosis by echocardiogram with greater accuracy and confidence.

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Selected References

These references are in PubMed. This may not be the complete list of references from this article.

  1. Chakorn S. A., Siggers D. C., Wharton C. F., Deuchar D. C. Study of normal and abnormal movements of mitral valve ring using reflected ultrasound. Br Heart J. 1972 May;34(5):480–486. doi: 10.1136/hrt.34.5.480. [DOI] [PMC free article] [PubMed] [Google Scholar]
  2. Cope G. D., Kisslo J. A., Johnson M. L., Behar V. S. A reassessment of the echocardiogram in mitral stenosis. Circulation. 1975 Oct;52(4):664–670. doi: 10.1161/01.cir.52.4.664. [DOI] [PubMed] [Google Scholar]
  3. Edler I. Ultrasoundcardiography in mitral valve stenosis. Am J Cardiol. 1967 Jan;19(1):18–31. doi: 10.1016/0002-9149(67)90258-5. [DOI] [PubMed] [Google Scholar]
  4. Effert S. Pre- and postoperative evaluation of mitral stenosis by ultrasound. Am J Cardiol. 1967 Jan;19(1):59–65. doi: 10.1016/0002-9149(67)90262-7. [DOI] [PubMed] [Google Scholar]
  5. GORLIN R., GORLIN S. G. Hydraulic formula for calculation of the area of the stenotic mitral valve, other cardiac valves, and central circulatory shunts. I. Am Heart J. 1951 Jan;41(1):1–29. doi: 10.1016/0002-8703(51)90002-6. [DOI] [PubMed] [Google Scholar]
  6. Gustafson A. Correlation between ultrasoundcardiography, hemodynamics and surgical findings in mitral stenosis. Am J Cardiol. 1967 Jan;19(1):32–41. doi: 10.1016/0002-9149(67)90259-7. [DOI] [PubMed] [Google Scholar]
  7. Mary D. A., Pakrashi B. C., Wooler G. H., Ionescu M. I. Study with reflected ultrasound of patients with mitral valve repair. Br Heart J. 1973 May;35(5):480–487. doi: 10.1136/hrt.35.5.480. [DOI] [PMC free article] [PubMed] [Google Scholar]
  8. RUSHMER R. F., FINLAYSON B. L., NASH A. A. Movements of the mitral valve. Circ Res. 1956 May;4(3):337–342. doi: 10.1161/01.res.4.3.337. [DOI] [PubMed] [Google Scholar]
  9. Rodger J. C., Sumner D. J. Measurement of diastolic closure rate of normal mitral valve. Br Heart J. 1975 May;37(5):504–513. doi: 10.1136/hrt.37.5.504. [DOI] [PMC free article] [PubMed] [Google Scholar]
  10. Zaky A., Nasser W. K., Feigenbaum H. A study of mitral valve action recorded by reflected ultrasound and its application in the diagnosis of mitral stenosis. Circulation. 1968 May;37(5):789–799. doi: 10.1161/01.cir.37.5.789. [DOI] [PubMed] [Google Scholar]

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