External Validation of the Revised Cardiac Risk Index and the Geriatric-Sensitive Perioperative Cardiac Risk Index in Oldest Old Patients Following Surgery Under Spinal Anaesthesia; a Retrospective Cross-Sectional Cohort Study.

The regression analysis demonstrated that increased age, AF, trauma surgery, aortic stenosis, pulmonary hypertension, renal failure, and insulin-dependent diabetes mellitus (IDDM) were statistically significantly associated with the poor postoperative cardiovascular outcome while the association between cerebrovascular events; coronary artery disease, and HF did not reach statistical significance ( Table 6 ).

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