Relation Between the Interval from Coronary Angiography to Selective Off-Pump Coronary Artery Bypass Grafting and Postoperative Acute Kidney Injury

Cardiac and Vascular Surgery–Associated Acute Kidney Injury: The 20th International Consensus Conference of the ADQI (Acute Disease Quality Initiative) Group

“…Again, results in this area are contradictory. Intravenous contrast before surgery may increase the incidence of AKI and has led to some recommendations for delaying surgery 24 to 72 hours after contrast administration; however, another study disagrees . Preoperative placement of an intra‐aortic balloon pump may prevent AKI and reduce the incidence of RRT in high‐risk patients by improving perfusion and reducing endothelial activation .…”

The effect of coronary angiography timing and use of cardiopulmonary bypass on acute kidney injury after coronary artery bypass graft surgery

“…[23][24][25] One of these studies included a relatively small number of patients, 24 and the report of Ji and colleagues 25 excluded a time interval from coronary angiography until subsequent surgery of less than 24 hours. Zhang and colleagues 26 also reported that one of the independent risk factors for postoperative AKI was OPCAB that was performed 24 hours or less after coronary angiography. However, they included patients who only underwent OPCAB after coronary angiography during the same hospitalization and had an interval between OPCAB and coronary angiography of 30 days or less, and they created only 4 subgroups according to the interval between coronary angiography and OPCAB ( 24, 24-48, 48-72, and>72 hours).…”

“…However, they included patients who only underwent OPCAB after coronary angiography during the same hospitalization and had an interval between OPCAB and coronary angiography of 30 days or less, and they created only 4 subgroups according to the interval between coronary angiography and OPCAB ( 24, 24-48, 48-72, and>72 hours). 26 All of these differences in the study design might have influenced their results.…”

Influence of time interval between coronary angiography to off-pump coronary artery bypass surgery on incidence of cardiac surgery associated acute kidney injury

“…There are various studies since then available on this topic. [4561314151617181920212223242526272829] There is marked heterogeneity in patient population, definition of CSA-AKI used, incidence of CSA-AKI and time interval used to assess impact of CAG timing on CSA-AKI; hence it is not surprising that the results are also different in these studies as mentioned in Table 5.…”

“…American Heart Association guidelines on CABG recommended that, in patients with preexisting renal dysfunction, a delay of surgery after CAG may be reasonable until the effect of radiographic contrast material on renal function is assessed (Class II b, level of evidence B). [3] There is limited and conflicting evidence on this topic as far as off-pump CABG (OPCABG) is concerned, with some studies suggesting increased incidence of CSA-AKI with shorter interval between CAG and OPCABG[4] but not others. [56] It must be appreciated that performing a randomised controlled trial on this topic is very difficult, as randomization process would unnecessarily place patients in a potential risk condition for CSA-AKI.…”