Perfusion Index (PI) and Pleth Variability Index (PVI) in Patients With Interscalene Blocks in Orthopedic Surgery

Johannes Gutenberg University Mainz30 enrolled

Overview

The purpose of this study is to: 1. To describe effects of interscalene nerve blocks on perfusion index (PI) and pleth variability index (PVI) (Radical 7, Masimo Cooperation, Irvine, CA) before and after induction of general anesthesia. 2. To compare effects of fluid-bolusing on PI and PVI of the anesthetized and non-anesthetized limb.

Study Type

OBSERVATIONAL

Enrollment

Conditions

Perfusion Index and Pleth Variability Index Interscalene Blocks Orthopedic Surgery

Eligibility

Sex: ALLMin age: 18 YearsMax age: 80 Years

Medical Language ↔ Plain English

Inclusion Criteria: * patients scheduled for shoulder or upper arm surgery * ASA 1-3 * written informed consent * approval from the local ethics committee Exclusion Criteria: * arrhythmia * patients suffering from severe vascular disease, coronary artery (CCS IV) disease * anaemia (haemoglobin \< 7mg/dl) * patients in whom a tidal volume of 8ml/kg cannot be delivered safely

Locations (1)

Department of Anesthesiology, Johannes Gutenberg-University Mainz

Mainz, Rhineland-Palatinate, Germany

Data from ClinicalTrials.gov

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