ArticleTrials2024
Effect of individualized versus conventional perioperative blood pressure management on postoperative major complications in high-risk patients undergoing noncardiac surgery: study protocol for the SPROUT-4 multicenter randomized controlled trial.
Article in Trials, 2024. The graph could read no effect estimate from its abstract, so it casts no vote on the map. It is linked to trial NCT06225453 (Effect of Individualized Versus Conventional Blood Pressure Management on Major Adverse Cardiac, Cerebrovascular, and Renal Events After Major Non-cardiac Surgery), which is not on this map. Not yet cited in PubMed.
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Effect of Individualized Versus Conventional Blood Pressure Management on Major Adverse Cardiac, Cerebrovascular, and Renal Events After Major Non-cardiac Surgery: Multicenter, Randomized Controlled Trial
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13 authors.
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Abstract
backgroundIntraoperative hypotension is very common during surgery and is linked to major organ dysfunction and mortality. Current perioperative blood pressure management is largely based on universal blood pressure thresholds ranging from a mean arterial pressure of 60-70 mmHg. However, the effectiveness of this conventional management remains unproven in prospective randomized trials. Therefore, we will conduct this study to test if individualized perioperative blood pressure management decreases the incidence of postoperative major adverse outcomes.
methodsThis multicenter, randomized controlled superiority trial will enroll 1896 high-risk patients undergoing major noncardiac surgery from five tertiary university hospitals in South Korea. In the control group, mean arterial pressure will be maintained at ≥ 65 mmHg and systolic blood pressure ≥ 90 mmHg during surgery. In the intervention group, mean arterial pressure and systolic blood pressure will be maintained at no less than 20% of their baseline values. The baseline values are calculated as the average of all values measured from the day before surgery until the morning of surgery. These targets will be maintained until the patient is discharged from the post-anesthesia care unit or, for those who are transferred to the intensive care unit after surgery, until the end of the surgery. No specific restrictions, except for these blood pressure targets, will be applied to perioperative management. The primary composite outcome consists of all-cause death, stroke, myocardial infarction, new or worsening congestive heart failure, unplanned coronary revascularization, and acute kidney injury within 7 days after noncardiac surgery or until hospital discharge, whichever occurs first. DISCUSSION: This study will reveal if individualized perioperative blood pressure management decreases the risk of major adverse outcomes in patients at high-risk undergoing noncardiac surgery.
trial registrationClinicalTrials.gov NCT06225453. Registered on January 26, 2024.
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