Prediction of Fluid Responsiveness Using Dynamic Preload Indices During Arthroscopic Shoulder Surgery in the Beach Chair Position

The beach chair position (BCP) has been commonly used for shoulder arthroscopic surgery. Hemodynamic instability is frequently encountered problem associated with BCP. In addition, high rates of cerebral desaturation events have been reported during surgery in BCP. Although fluid loading could alleviate hypotension associated with BCP, it may lead to volume overload. As an alternative to static indices, dynamic preload indices such as pulse pressure variation (PPV) and stroke volume variation (SVV) were reported to be sensitive predictors of fluid responsivness in several surgical condition. The investigators will examine the abilities of PPV and SVV to predict fluid responsivness during shoulder arthroscopic surgery in BCP. Using transesophageal echocardiography (TEE), the investigators will directly estimate the change of cardiac output during BCP.

Study Overview

• Status: Completed
• Conditions: Shoulder Arthroscopy

• Study Type: Observational
• Enrollment (Actual): 42

Participation Criteria

Eligibility Criteria

• Ages Eligible for Study: 20 years to 75 years (Adult, Older Adult)
• Accepts Healthy Volunteers: No
• Genders Eligible for Study: All

• Sampling Method: Non-Probability Sample

Study Population

patients undergoing shoulder arthroscopic surgery in the beach chair position

Description

Inclusion Criteria:

1. Above 20 years of age.
2. American Society of Anesthesiologists (ASA) Physical Status I, II, III.
3. shoulder arthroscopy under Beach-chair position

Exclusion Criteria:

1. severe functional liver or kidney disease
2. diagnosed HF ( NYHA class >3)
3. cerebrovascular disease 4. Pregnancy

Study Plan

How is the study designed?

What is the study measuring?

Primary Outcome Measures

Outcome Measure	Measure Description	Time Frame
The changes between dynamic preload indices (SVV and PPV) and stroke volume index during beach chair position. We will measure them to evaluate the effect of beach chair position on PPV and SVV.	To investigate the ability of SVV adn PPV to predict fluid responsiveness during beach chair position, using ROC curve.	The participants will be followed up to 5 minutes after fluid challenge.

Collaborators and Investigators

• Sponsor: Yonsei University

Study record dates

Study Major Dates

• Study Start: November 1, 2014
• Primary Completion (Actual): July 1, 2015
• Study Completion (Actual): July 1, 2015

Study Registration Dates

• First Submitted: October 30, 2014
• First Submitted That Met QC Criteria: November 11, 2014
• First Posted (Estimate): November 14, 2014

Study Record Updates

• Last Update Posted (Estimate): September 1, 2015
• Last Update Submitted That Met QC Criteria: August 30, 2015
• Last Verified: August 1, 2015

More Information

Terms related to this study

• Other Study ID Numbers: 4-2014-0698