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Measurement Agreement Between IBP and NIBP During Induction of Anesthesia in High Risk Patients

Recruitingn/aAges 18 Years - anyAllMedical University of Graz
NCT07870356 on ClinicalTrials.gov ↗
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In plain words

What the trial is, and whether it could suit you

The AGREE-BP study aims to evaluate how closely blood pressure measurements taken with an automated upper-arm cuff agree with measurements taken through a small plastic tube placed in an artery, called an arterial catheter, during the start of general anesthesia. Blood pressure can change rapidly when patients receive medication to induce general anesthesia. These changes may be particularly pronounced in patients with heart or blood vessel disease or high blood pressure. An upper-arm cuff measures blood pressure at intervals, whereas an arterial catheter measures it continuously with each heartbeat. Although cuff measurements are widely used, their agreement with arterial catheter measurements during this period of rapid change is not fully evaluated and validated. This observational study will include 120 patients undergoing surgery under general anesthesia at University Hospital Gra

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📋 Eligibility rules (as published)
Inclusion Criteria: 1. Intraarterial blood pressure monitoring prior to induction of anesthesia is necessary for clinical reasons 2. Surgery under general anesthesia 3. Provision of written informed consent 4. Less than a 5 mmHg difference between consecutive non-invasive oscillometric blood pressure measurements on the left and right arms 5. Supine positioning during induction of anesthesia possible and used for clinical reasons. 6. At least one of the following factors indicating high-risk of blood pressure changes during induction of anesthesia: 1. Peripheral arterial disease 2. Carotid artery disease 3. Severe coronary artery disease 4. Arterial hypertension requiring three or more antihypertensive agents Exclusion Criteria: 1. Inability to insert the intraarterial catheter and venous catheter on the same arm (mandatory to be on the contralateral side of the non-invasive oscillometric measurement) 2. Pregnancy 3. Planned awake fiberoptic intubation 4. Previous enrollment in the study
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What it tests

  • non-invasive oscillometric blood pressure monitoring
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Where

1 site
Medical University of Graz, Department of Anaesthesiology and Intensive Care Medicine
Graz, Austria
🤝 Taking part is your choice, and you can leave at any time. Only the trial team can confirm you are eligible — always decide together with your own doctor.
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