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Mitral Stenosis
Neeraj Parakh, Ravi S Math, Vivek Chaturvedi, Neeraj Parakh, Ravi S Math, Vivek Chaturvedi
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eBook - ePub
Mitral Stenosis
Neeraj Parakh, Ravi S Math, Vivek Chaturvedi, Neeraj Parakh, Ravi S Math, Vivek Chaturvedi
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About This Book
Comprehensive book on mitral stenosis not only compiles the existing published knowledge and literature about mitral stenosis in a succinct manner but also has input from experts having years of experience in this field. It will serve as an authentic reference and a ready reckoner for cardiology fellows, practicing cardiologists, academics and researchers
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1Pathophysiology and clinical features
1The history of mitral stenosis
Balram Bhargava and Neeraj Parakh
2Epidemiology and the natural history of mitral stenosis
Anita Saxena
3The etiology of mitral stenosis
Anunay Gupta and Sandeep Singh
4The pathophysiology of mitral stenosis
Sudheer Arava, Kusuma Harisha, and Ruma Ray
5Clinical features of mitral stenosis
Jaganmohan A. Tharakan
6Complications of mitral stenosis
Senguttuvan Nagendra Boopathy and Ambuj Roy
1The history of mitral stenosis
Balram Bhargava and Neeraj Parakh
The mitral valve and mitral stenosis
The surgical era
The era of prosthetic mitral valves
The advent of echocardiography
The catheter era
References
The mitral valve and mitral stenosis
The existence of the mitral valve is as old as the human race, but its nomenclature and clinicopathological recognition are no older than five centuries. The anatomical left atrioventricular valve was named the âmitral valveâ by the Father of modern anatomyâAndreas Vesalius. In the second edition of De Humani Corporis Fabrica, published in 1555, he wrote that the mitral valve, when turned upside down, resembles a bishopâs miter (a two-flapped angled hat) (Figure 1.1) and gave an accurate description of mitral valve anatomy.1 In 1668, John Mayow from the Oxford school described the first patient of mitral stenosis with detailed clinical and pathological findings and was able to correlate clinical features with autopsy findings. Further, in 1705, Raymond de Vieussens scientifically detailed the clinical findings of a 30-year-old male patient of mitral stenosis.2 Later, when this patient died, he documented various pathological findings of mitral stenosis in his magnificent engravings:
I opened the left ventricle and I discovered here first that which I have just pointed out: namely the substance of the mitral valves has become bony and that it had very markedly diminished, and indeed changed the natural appearance of the lumen.
In 1806, Jean-Nicolas Corvisart described the thrill associated with mitral stenosis; he was the father of chest auscultation as well as the physician to Napoleon Bonaparte. Subsequently, in 1819, his pupil Rene H. T. Laennec, inventor of the stethoscope, described the murmur of mitral stenosis as âbruit de souffletâ (soft bellows).3 Many years later, Sulpice Antoine Fauvel, a French epidemiologist, described the precise timing and nature of the presystolic murmur in mitral stenosis.4 In 1862, Austin Flint provided precise and accurate descriptions of various cardiac murmurs,5 in particular a similar presystolic murmur at the apex in severe aortic regurgitation and a normal mitral valve, eponymously described as an Austin Flint murmur. In 1877, Paul Louis Duroziez described congenital mitral stenosis and made an etiological distinction between mitral stenosis of rheumatic and of congenital origin. He is also remembered for describing the Duroziezâs murmur in severe aortic regurgitation (Table 1.1).6
Table 1.1
Contribution | Physician/surgeon/scientist | Year |
---|---|---|
Named mitral valve | Andreas Vesalius | 1555 |
First description of mitral stenosis | John Mayow | 1668 |
First scientific description of mitral stenosis | Raymond de Vieussens | 1706 |
Described thrill of mitral stenosis | Jean Nicolas Corvisart | 1806 |
Described murmur of mitral stenosis | Rene Theophile Hyacinthe Laennec | 1819 |
Characterized presystolic timing of murmur in mitral stenosis | Sulpice Antoine Fauvel | 1843 |
Described presystolic murmur of aortic regurgitation | Austin Flint | 1862 |
Described congenital mitral stenosis | Paul Louis Duroziez | 1877 |
Described juvenile mitral stenosis | Sujoy B. Roy | 1963 |
The surgical era
The idea of surgically opening the mitral valve was first visualized by Frederick Alexander Samways in 1898 (Figure 1.2),7 supported by Sir Lauder Brunton in 1902.8 In Samwaysâ own words, for the surgical treatment of mitral stenosis:
I anticipate that with the progress of cardiac surgery some of the severest cases of mitral stenosis will be relieved by slightly notching the mitral orifice and trusting the auricle to continue its defence.
However, strong disapproval from contemporary physicians enforced a hasty retreat from the idea of surgery, which remained in cold storage for nearly 20 years. In 1923, an 11-year-old girl with mitral stenosis was successfully operated on by partial valve excision. She survived for nearly 5 years after the operation; however, the next five patients operated on by th...