Abstract
Method: A sample size of 40 kidney allograft recipients undergoing color Doppler Ultrasonography evaluation included in the study.
 Result: Corticomeduallry differentiation of kidney allografts within 24 hours post transplant period: There was no significant difference between CMD of kidney allorgrafts with complication and kidney allografts without any complication within 24 hour because the standard deviations of both groups were 0. Corticomeduallry differentiation in all kidney allografts, all were shows maintained corticomedullary differentiation.
 Conclusion: This study is aimed to assessing the role of CDUS in kidney allograft recipients to evaluate the graft perfusion immediate after anastamosis, within 24 hours and follow up period after engraftment of kidney allograft. Analyse the Color Doppler Ultrasound (CDUS) indices changes in parenchymal, and vascular cause of allograft dysfunction at follow up periods, to evaluate the uroloical, surgical and vascular complications in kidney recipients by using gray scale and color Doppler US at follow up periods and compare the results with biochemical parameter (serum creatinine).
 Immediate Doppler ultrasound is highly useful in the diagnosis of primary graft dysfunction and in follow-up of the transplanted patient.
 Keywords: Graft Perfusion, Anastamosis, Color, Doppler, Ultrasound
Highlights
The kidneys are the main organs of the urinary system
This study is aimed to assessing the role of Color Doppler Ultrasound (CDUS) in kidney allograft recipients to evaluate the graft perfusion immediate after anastamosis, within 24 hours and follow up period after engraftment of kidney allograft
Immediate Doppler ultrasound is highly useful in the diagnosis of primary graft dysfunction and in follow-up of the transplanted patient
Summary
The kidneys are the main organs of the urinary system. They function to filter blood in order to remove wastes and excess water. The waste and water are excreted as urine. The kidneys reabsorb and return to the blood needed substances, including amino acids, sugar, sodium, potassium, and other nutrients[1]. Common causes of acute renal failure include; heart attack, illegal drug use and drug abuse, not enough blood flowing to the kidneys, and Urinary tract problems etc. Common cause of end–stage renal disease are diabetes , high blood pressure, Autoimmune diseases, such as lupus and IgA nephropathy, genetic diseases (diseases you are born with), such as polycystic kidney disease, nephrotic syndrome, etc
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