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Coronary angiography or revascularization in advanced CKD and CCS does not improve outcomes: Study
Routine coronary angiography or revascularization before renal transplant in patients with advanced chronic kidney disease and chronic coronary syndromes do not provide added benefits, suggests a study published in Journal of the American College of Cardiology.
Patients with chronic kidney disease (CKD) and coronary artery disease often undergo preemptive revascularization before kidney transplant listing.
A group of researchers from U.S.A. conducted a post hoc analysis from ISCHEMIA-CKD (International Study of Comparative Health Effectiveness of Medical and Invasive Approaches–Chronic Kidney Disease), wherein they compared outcomes of patients not listed versus those listed according to management strategy.
The researchers selected a total of 777 patients, out of which 194 patients (25%) were with chronic coronary syndromes and at least moderate ischemia was listed for transplant. The primary (all-cause mortality or nonfatal myocardial infarction) and secondary (death, nonfatal myocardial infarction, hospitalization for unstable angina, heart failure, resuscitated cardiac arrest, or stroke) outcomes were analyzed using Cox multivariable modeling. Heterogeneity of randomized treatment effect between listed versus not listed groups were assessed.
The results of the study are as follows:
- Compared with those not listed, listed patients were younger (60 years vs 65 years), were less likely to be of Asian race (15% vs 29%), were more likely to be on dialysis (83% vs 44%), had fewer anginal symptoms, and were more likely to have coronary angiography and coronary revascularization irrespective of treatment assignment.
- Among patients assigned to an invasive strategy versus conservative strategy, the adjusted hazard ratios for the primary outcome were 0.91 for those listed and not listed, respectively.
- Adjusted hazard ratios for secondary outcomes were 0.89 in listed and 1.17 in those not listed.
The researchers concluded that in ISCHEMIA-CKD, an invasive strategy in kidney transplant candidates did not improve outcomes compared with conservative management. These data do not support routine coronary angiography or revascularization in patients with advanced CKD and chronic coronary syndromes listed for transplant.
Reference:
Kidney Transplant List Status and Outcomes in the ISCHEMIA-CKD Trial by Herzog C et. al published in the Journal of the American College of Cardiology.
Doi: 10.1016/j.jacc.2021.05.001
Dr. Shravani Dali has completed her BDS from Pravara institute of medical sciences, loni. Following which she extensively worked in the healthcare sector for 2+ years. She has been actively involved in writing blogs in field of health and wellness. Currently she is pursuing her Masters of public health-health administration from Tata institute of social sciences. She can be contacted at editorial@medicaldialogues.in.
Dr Kamal Kant Kohli-MBBS, DTCD- a chest specialist with more than 30 years of practice and a flair for writing clinical articles, Dr Kamal Kant Kohli joined Medical Dialogues as a Chief Editor of Medical News. Besides writing articles, as an editor, he proofreads and verifies all the medical content published on Medical Dialogues including those coming from journals, studies,medical conferences,guidelines etc. Email: drkohli@medicaldialogues.in. Contact no. 011-43720751