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

Study Results

Results pending

The study team has not published outcome measurements, participant flow, or safety data for this trial yet. Check back later for updates.

Basic Information

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Recruitment Status

COMPLETED

Total Enrollment

30 participants

Study Classification

OBSERVATIONAL

Study Start Date

2010-09-30

Brief Summary

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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.

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Detailed Description

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Conditions

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Perfusion Index and Pleth Variability Index Interscalene Blocks Orthopedic Surgery

Study Design

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Observational Model Type

CASE_ONLY

Study Time Perspective

PROSPECTIVE

Eligibility Criteria

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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

Minimum Eligible Age

18 Years

Maximum Eligible Age

80 Years

Eligible Sex

ALL

Accepts Healthy Volunteers

No