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Heart Valve Tissue Engineering Benefits Tissue Engineering Essay

Heart Valve Tissue Engineering Benefits Tissue engineering came about as early as the 1960s with advances in tissue culture technologies to propagate skin cells (Vesley, 2005). It has advanced to other areas of cells through the years, including heart valve tissue engineering. One in eight people aged 75 years and older suffer from a form of valve disease showing an increasing trend with age (Mol, 2005). For adults, the need arises mostly from an aging population. For children, the need arises from birth defects and other illnesses, such as rheumatic fever. The number of patients that will require heart valve replacement is expected to triple over the next five decades.

The main causes of cardiac valve dysfunction are calcification of leaflets, endocarditis, rheumatic fever, myxomatous degeneration or congenital malformations, leading to stenosis or insufficiency in the valve. Rheumatic fever has been the main cause of heart disease in children and young adults, especially in underdeveloped countries. Congenital heart defects also play a role in the causes for pediatric patients. "Valvular heart disease is still...

Even though surgical approaches and outcomes have improved over the last decade, the need has not been eliminated. For children, the performance of surgical corrections for valvular defects is highly variable depending on the child's age (Vesley, 2005). The allograft valves require the death of other children making them difficult to obtain. Products for adults have slowed the need because of the longevity of the products being able to last up to 20 years before replacement is necessary. The surgical approaches and outcomes have also helped in decreasing future need for adults.
Another problem is that conventional devices for children do not grow as the child grows causing a need for future surgeries. There has been a problem in developing products that grow as the child…

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Bibliography

Mendelson, K. & . (2006). Heart Valve Tissue Engineering: Concepts, Approaches, Progress, and Challenges. Ann Biomed Eng. 34(12).doi:10.1007/s10439-006-9163-z, 1799-1819 Retrieved from http://www.ncbi.nlm.nih.gov/pmc/articles/PMC1705506/.

Mol, A.S. (2005). Tuissue engineering of heart valves: Advances and current challenges. Expert Rev. Med. Devices, 63(3), 259-275 Retrieved from http://www.mate.tue.nl/mate/pdfs/10563.pdf.

Schmidt, D. & . (2005). Tissue engineered heart valves based on human cells. Swill Med Weekly, 135, 618-623 Retrieved from http://smw.ch/docs/pdf200x/2006/39/smw-11400.PDF.

Vesley, I. (2005). Heart Valve Tissue Engineering. Circulation Research, 97.doi:10.1161/01.RES.0000185326.04010.9f, 743-755 Retrieved from http://circres.ahajounals.org/content/97/8/743.full.
Yacoub, M. & . (n.d.). Heart Vave Tissue Engineering. Retrieved from National Heart & Lung Institute (NHLI): http://www1.imperial.ac.uk/nhli/cardio/heart/tissueengineering/
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