PURPOSE: Renal failure is a complication strongly affecting the outcome of cardiac operated patients (pts). Postoperative renal failure is defined as the postoperative doubling of basal creatinine. To our knowledge the impact of preoperative coronary angiography on the onset of acute postoperative renal failure has not been deeply speculated.
METHODS: We considered the total population of patients undergone cardiac surgery between january 1st and december 31th 2005. 1498 adult pts underwent cardiac surgery. 1204 of these patients had normal preoperative creatinine (≤; 1,4 mg/dl). We divided pts in two groups. Group A: 74 pts (21 cabg, 14 valve replacement, 7 left ventricular aneurismectomy, 32 combined) who suffered postoperative renal failure, mean age 68 ± 6 yrs, mean preoperative creatinine 0,9 ± .5 mg/dl. Group B: 1130 pts (529 cabg, 320 valve replacement, 23 left ventricular aneurismectomy, 258 combined) who didn’t suffer postoperative renal failure, mean age 66,12 ± 9 yrs, mean preoperative creatinine 1,06 ± .3 mg/dl.
RESULTS: In both groups we consider just the patients undergone coronary angiography in our institution. In group A 30 pts underwent coronary angiography in our institution. The mean interval between the procedure and cardiac operation has been 2.8 ± 0,9 days.In group B 417 pts underwent coronary angiography in our institution. The mean interval between the procedure and cardiac operation has been 5,3 ± 1,2 days (p<0.005).
CONCLUSION: Conclusion: our data suggest that the interval between coronary angiography and cardiac operation can be considered as crucial in the onset of postoperative renal failure.
CLINICAL IMPLICATIONS: The length of the interval between coronary angiography and cardiac operation must be strictly taken into account in the risk score for pts scheduled for cardiac surgery.
DISCLOSURE: Andrea Ballotta, No Financial Disclosure Information; No Product/Research Disclosure Information