Abstract：
BACKGROUND:This study was undertaken to determine the true incidence of renal impairment after aortic surgery and its association with intraoperative fluctuations in renal artery blood flow and cardiac output. METHODS:Direct measurements of renal artery blood flow were undertaken with electromagnetic flowmetry in 19 patients undergoing elective infrarenal aortic surgery. Renal function was assessed before and after operation by measurement of creatinine clearance. RESULTS:Twelve patients (63%) had renal impairment as defined by a 40% or greater reduction in creatinine clearance after operation. This group of patients had significantly lower renal artery blood flow during the period of aortic cross-clamping than had those who preserved their renal function (p < 0.001). CONCLUSIONS:Renal impairment is common after infrarenal aortic surgery and may be a result of intraoperative ischemia secondary to reduced renal artery blood flow.
journal_name
Surgeryjournal_title
Surgeryauthors
Welch M,Knight DG,Carr HM,Smyth JV,Walker MGsubject
Has Abstractpub_date
1994-01-01 00:00:00pages
46-51issue
1eissn
0039-6060issn
1532-7361journal_volume
115pub_type
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