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THE JOURNAL OF CARDIOVASCULAR SURGERY

Rivista di Chirurgia Cardiaca, Vascolare e Toracica


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The Journal of Cardiovascular Surgery 2003 Dicembre;44(6):747-50

lingua: Inglese

A new technique for abdominal heart transplantation in rats

Demirsoy E., Arbatli H., Korkut A. K., Yaˇgan N., Sönmez B.

Depart­ment of Car­di­o­vas­cular Sur­gery Kadir Has Uni­ver­sity, Flor­ence Night­in­gale Hos­pital, ­Istanbul, ­Turkey


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Experi­mental ­studies in ani­mals ­play a ­major ­role in the ­progress of med­i­cine. Dif­ferent sur­gical tech­niques ­have ­been ­described for het­er­o­topic ­heart trans­plan­ta­tion in ­rats. In ­this ­study we intro­duce a new tech­nique for ­heart trans­plan­ta­tion in the abdom­inal ­cavity of ­rats. Fif­teen ­Sprague ­Dawley ­rats ­have ­been ­used as recip­ients and 15 ­others as ­donors. Fol­lowing prep­ar­a­tion of recip­ient abdom­inal ­aorta and ­left ­renal ­vein, the ­donor ­heart ­including prox­imal ­arcus ­aorta was har­vested. ­Donor ­aorta was anas­to­mosed to the ­recipient’s ­aorta; ­donor pul­mo­nary ­artery was anas­to­mosed to the ­left ­renal ­vein of the recip­ient ­using con­tin­uous ­suture tech­nique. ­Graft func­tion was eval­u­ated ­daily by pal­pa­tion of the rat ­abdomen. The ­mean oper­ating ­time was 38.46±2.66 min and the ­mean ­ischemia ­time was 23.93±2.11 min. One ­death was ­seen ­because of ­bleeding of the ­aorto-­aortic anas­tom­osis. In ­this ­study we eval­u­ated advan­tages and dis­ad­van­tages of our tech­nique and com­pared it to ­other tech­niques. ­This mod­ifi­ca­tion pro­vides a ­more ana­tom­ical posi­tion, ­reduces explo­ra­tion ­time, has a low inci­dence of mor­bidity and mor­tality. We con­clude ­that, ­this implan­ta­tion tech­nique is ­more suit­able for het­er­o­topic ­heart trans­plan­ta­tion in ­rats.

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