Resumen

UZUN, Sami et al. Comparison of Lower and Upper Limb Remote Ischemic Preconditioning to Prevent Contrast-Induced Nephropathy: A Randomized Pilot Study with a Control Group. Rev. nefrol. dial. traspl. [online]. 2022, vol.42, n.4, pp.5-5. ISSN 2346-8548.

Background: The role of remote ischemic preconditioning (RIPC) in preventing the development of contrast-induced nephropathy (CIN) and whether there is a difference between the results of applications of RIPC to the upper or lower extremities has not been adequately demonstrated. Methods: We included the patients who underwent coronary angiography due to stable angina pectoris in this single center, randomized, pilot study. We randomly enrolled a total of 168 patients in one of three groups (60 patients in the upper limb RIPC group, 58 patients in the lower limb RIPC group, and 50 patients in the control group). Results: According to the Acute Kidney Injury Network (AKIN), CIN did not develop in any RIPC patients and developed in 6% of controls (OR: 3.511, 95% CI: 2.757-4.471, p=0.025). According to the European Society of Urogenital Radiology (ESUR) guidelines, CIN developed in 1.7% of RIPC patients and 8% of controls (p=0.065). It was found that creatinine levels increased in the control group and decreased in the RIPC groups (baseline: 0.81±0.19mg/dL and 0.86±0.25mg/dL and control: 0.76±0.17mg/dL and 0.91±0.36mg/ dL, p <0.001). When the upper and lower limb RIPC results were compared, there was no statistically significant difference in the incidence of CIN. In multivariate analyses we found out that baseline eGFR, baseline mean blood pressure, contrast agent volume, and RIPC were independently associated with the development of CIN. Conclusions: RIPC is a practically useful method in preventing CIN in patients undergoing coronary angiography. Upper or lower-limb RIPC applications seem to have a similar effect.

Palabras clave : Acute kidney injury; ischemia reperfusion injury; remote ischemic preconditioning; contrast-induced nephropathy; coronary angiography..

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