الفهرس 
INTRODUCTIONOnly 14 pages are availabe for public view
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Abstract
Myocardial protection is crucial, and plays a key role in achieving successful results in heart surgery. The aim of myocardial protection is to preserve cardiac function, enhance ideal oxygen delivery, and minimize both metabolic ischemia and myocardial edema, while generating a bloodless surgical field which facilitates cardiac repair in an arrested relaxed heart. Strategies for myocardial protection vary among surgeons with insufficient data regarding the optimal cardioplegic solution.
Cardioplegia is responsible for myocardial protection during open heart surgery and provides static and bloodless field to facilitate surgical procedures. At first, cardioplegia was presented as an agent for hypothermic hyperkalemic arrest. Blood was then introduced as a vehicle to convey potassium to the heart.
The perfect cardioplegic solution for myocardial protection during cardiac surgery is still controversial.
So, a comparative prospective cohort study was carried out to compare the efficacy Of Custodial cardioplegia in myocardial preservation to the efficacy Of Cold blood cardioplegia.
Our study was carried out on 120patients underwent on pump cardiac surgery in Suez Canal University hospital and Cardiac surgery department in Nasser Institute for research and treatment in Cairo. These