A novel risk score model for prediction of contrast-induced nephropathy after emergent percutaneous coronary intervention
Introduction
Contrast-induced nephropathy (CIN) develops as a complication after coronary diagnostic and interventional procedures, and is associated with increased mortality, longer hospitalization stays, increased health care costs, and higher risk of adverse clinical outcomes, especially among patients undergoing emergent or primary percutaneous coronary intervention (PCI) [1], [2], [3], [4], [5]. The risk of CIN after emergent PCI is significantly higher than after elective PCI [6], [7], [8].
Current clinical guidelines suggest that patients should be assessed for the risk of CIN after PCI [9], [10] with CIN predictive model included patient-related risk factors (advanced age, renal insufficiency, hypotension, intra-aortic balloon pump, diabetes mellitus) or procedure-related risk factors (large contrast volume, insufficient hydration and high osmolality agents) [11], [12], [13]. The hemodynamic unstable markers, including reduced ejection fraction, cardiogenic shock, hypotension were reported as the most import risk factors of CIN after emergent PCI [14], [15], [16], [17].
Although the combination of above risk factors is common, a cumulative risk score model for prediction for CIN and prognosis among patients undergoing emergent PCI is limited in clinical practice. The most commonly used Mehran's risk score model comprised 8 variables, which was established and validated in patients without acute myocardial infarction (AMI) [11]. And majority of other models use variables that are not known at the time of an emergent PCI [12], [13]. There is a need to develop a simple and rapid risk prediction tool for patient with ST-elevation-myocardial infarction (STEMI) or non-ST-elevation acute coronary syndromes (NSTE-ACS), who are at higher risk of undergoing emergent PCI. Therefore, in this prospective study, the purpose was to develop a simple risk score model that could be rapidly applied to evaluate the risk of CIN following emergent PCI.
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Study population
Data for this study were obtained from a prospective observational study that included all consecutive patients who underwent coronary angiography or PCI between January 2010 and December 2013 in Guangdong general hospital. Patients [14] were included if they were diagnosed with STEMI and presented quite high risk in those with NSTE-ACS (i.e., those with refractory angina, hemodynamic instability) in the analysis. The exclusion criteria were pregnancy, lactation, intravascular administration of
Baseline characteristics
The cumulative incidence of CIN was 55 (7.9%) in the whole study population (n = 692), of which, 32(6.9%) in the development dataset. The comparison of the baseline clinical and procedural characteristics of subgroups defined by CIN0.5 were listed in Table 1. Overall (Table 1-A), the mean age was 62.2 years (SD 12.4 years), and there were 132 (16.8%) females. The mean baseline serum creatinine level was 1 mg/dl (SD 0.47 mg/dl), whereas 80 (11.6%) of patients presented creatinine levels > 1.5 mg/dl. 73
Discussion
In the present study, we established and validated a simple, novel CIN risk score including four risk factors: age > 75 years, SCr > 1.5 mg/dl, hypotension and the use of IABP for developing CIN risk stratification tool among patients undergoing emergent PCI. Our simple, novel risk score (Chen) model demonstrated good discrimination and predictive ability on CIN, and even for long-term outcomes after emergent PCI, which maybe a good alternative to other models.
Mehran's risk score model, which is
Conclusion
There is a need for a simple and robust risk tool for prediction of CIN and prognosis in patients undergoing emergent PCI. Our simple, novel risk score (Chen) model demonstrated good discrimination and predictive ability on CIN with similar predictive value for long-term outcomes after emergent PCI, which maybe a good alternative to other models. However, the accuracy of our Chen model needs to be validated in further large scan of cohorts.
The following are the supplementary data related to
Funding sources
This work was supported by the Guangdong Provincial Cardiovascular Clinical Medicine Research Fund (grant number 2009X41 to Y.L. and N.T.); Science and Technology Planning Project of Guangdong Province (PRECOMIN study by Y.L. in 2011 and study grant number 2008A030201002 to JY.C.); and the Guangdong Cardiovascular Institute, the Youth project of Fujian provincial health and Family Planning Commission (grant number 2015-1-9).
Disclosures
None.
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2020, Life SciencesCitation Excerpt :Unfortunately, due to the inclusion of some procedure-related factors, its application in perioperative risk assessment is limited [13]. Similar limitation was reported in other CIN risk prediction models that established by Bartholemew et al. [53], Chen et al. [54], Gao et al. [55], Lin et al. [56], and Sukrisd et al. [57]. Recently, more and more preoperative prediction models are also emerging.
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These authors contributed equally to this work.