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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 December;44(6):747-50

Copyright © 2009 EDIZIONI MINERVA MEDICA

lingua: Inglese

A new technique for abdominal heart transplantation in rats

Demirsoy E., Arbatli H., Korkut A. K., Yǎgan 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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