The Association Between Renal Desaturation Measured Using NIRS and Postoperative AKI
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Systematic review; 18 articles
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We performed a systematic search in Pubmed for articles up to May 31, 2024, using the following query terms: “acute kidney injury”, “kidney failure”, “kidney injury”, “kidney insufficiency”, “renal injury”, “renal failure”, “renal insufficiency”, “Spectroscopy, Near-Infrared”, “near-infrared spectroscopy”, “Near-Infrared Spectroscopies”, “NIR Spectroscopy”. We also searched Embase and Cochrane Library using the query terms “kidney injury” and “near-infrared spectroscopy”. Additionally, we reviewed the bibliographies of retrieved articles to further identify relevant studies. Publications were included in the final analysis if they met all of the following criteria: 1) Population: studies involving humans undergoing surgery; 2) Intervention: regional tissue oxygen saturation measured using NIRS; and 3) Predefined outcomes: postoperative AKI. The search was limited to studies published in English or Chinese only. Papers available only as abstracts, letters, case reports, and meta-analysis were excluded. There was no restriction on age of patients, but we selected trials based on the AKIN, RIFLE or KDIGO criteria for AKI.