By Noboru Motomura
The aortic valve is found on the middle of the guts. it's the middle of cardiac anatomy and aortic valve surgical procedure has led the sector of cardiac surgical procedure. This ebook describes all features of aortic valve surgical procedure and it'll support make clear day-by-day questions in regards to the scientific perform in aortic valve surgical procedure, in addition to set off proposal and new insights into this box.
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Additional info for Aortic Valve Surgery
It was reported that in case of a development of a valve trombosis during pregnancy in patients with a previous mechanical valve replacement a replacement can be prevented with the addition of trombolytic treatment. However, it has to be known that some complications can be seen with the trombolytic treatment, the success rate is limited, recurrences can be Which Valve to Who: Prosthetic Valve Selection for Aortic Valve Surgery 43 seen after the treatment (Elkayam2005; Roudaut 2003). As the data about this topic is limited the complication rates seen in nonpregnant patients can be taken into consideration.
The main difficulty in that stage is the choice of the valve type which will be used. 44 Aortic Valve Surgery The biological grafts include heterografts, homografts and autografts. Among these prothesis, maximal clinical data exists about the porcine heterografts. Biological valves undergo some degeneration in every age and for that reason their long-term durability is influenced which results in a higher rate of valve reoperation (Brais 1985; Jamieson 2003; Gross 1998). In young patients this degeneration is seen more frequently because of the increased calcium turnover, fatigue-induced lesions and collagen degeneration, and discrete immunologic reaction (Berrebi 2001; Gross 1998; Salazar 1999; Badduke 1991; Sbarouni 1994).
Another alternative to Ross procedure are allografts. Allograft aortic valves do not vary in the early and late period due to hemodynamic respect (Lupinetti, 2003). 3. Comorbidities Atrial fibrillation is the most common arrhythmia in patients undergoing aortic valve surgery (Ngaage, 2006). Many studies show that atrial fibrillation is a risk factor for decreased long-term survival (Vidaillet, 2002; Stewart, 2002). Loss of synchronous atrioventricular contraction results in ventricular dysfunction or congestive heart failure.
Aortic Valve Surgery by Noboru Motomura