Tissue Oxygen Index and Pulsatility Index in Orthopedic Surgery: a NIRS and TCD Pilot Trial

Medical University of Vienna50 enrolled

Overview

Cerebral microemboli (ME) are frequently generated during major orthopaedic surgery. The primary objective of this study was applying novel transcranial Doppler (TCD) ultrasound software algorithm to quantify (ME load/15 minutes) and qualify (particulate vs. gaseous) ME, detected as high-intensity transient signals (HITS) in both middle cerebral arteries (MCAs) before and after orthopaedic surgery.

Study Type

OBSERVATIONAL

Enrollment

Conditions

Cerebral Microemboli

Interventions

Transcranial Doppler Ultrasound, DWL Doppler BoxXDEVICE

Eligibility

Sex: ALLMin age: 50 YearsMax age: 90 Years

Medical Language ↔ Plain English

Inclusion Criteria: * hip prosthesis * knee prosthesis * shoulder prosthesis * spine surgery Exclusion Criteria: * severe valvular heart defect * acute neurological disorder

Locations (1)

Dept. of Anaesthesiology & Intensive Care, Vienna General Hospital, Medical University of Vienna

Vienna, Vienna, Austria

Outcomes

Primary Outcomes

Cerebral microemboli detection

Time frame: prior and directly after surgery

Data from ClinicalTrials.gov

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