|Comparison Laboratory Findings and Incident Rate of Renal Failure After On-pump and Off-pump Coronary Artery Bypass Graft|
|Zeinab Ghasemian Khojasteh1, Naser Khezerlo Agdam1, Sakeneh Hadi1, Raziyeh Parizad1,2|
|1Cardiovascular Research Center, Tabriz University of Medical Sciences, Tabriz, Iran
2Faculty of Nursing and Midwifery, Tabriz University of Medical Sciences
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Keywords : Acute renal failure, Open heart surgery, Serum creatinine, On- and Off-pump surgery
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Objective: Acute renal failure is a prevalent and serious disease that follows coronary artery bypass graft. One of the important symptoms of acute renal failure is the increased level of urea and serum creatinine. This study examined the rate of renal failure in patients undergoing on-pump and off-pump.
Material and Methods: This paper is a descriptive-comparative study on 60 patients undergoing Heart. Levels of urea, creatinine, sodium, potassium and urinary output were controlled and recorded in the first days, admission and ICU discharge. Data collection tool made checklist: the first part included demographic information and the second part was related to information on kidney function.The data were analyzed in SPSS version 21.
Results: Findings showed a statistically significant difference in terms of age and incidence of renal failure based on increased levels of urea and serum creatinine before and after coronary artery bypass graft (P<0.05). Findings also showed that renal failure significantly increased after coronary artery bypass graft based on levels of urea and serum creatinine (P<0.00) (P<0.00). No significant difference was found between the two surgery procedures (on-pump and off-pump) in terms of renal failure incidence (P>0.05).
Conclusion: Patients" age was an important factor of renal failure following coronary artery bypass graft. Type of the surgery (on- and off-pump) and gender had no effect on the incidence rate of acute renal failure. Stronger measures to protect the kidneys in older patients may reduce this high risk complication.
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