Correlation Between State-Trait-Anxiety-Inventory and Heart Rate Variability

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

50 participants

Study Classification

OBSERVATIONAL

Study Start Date

2023-06-05

Study Completion Date

2023-10-02

Brief Summary

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The purpose of the study is to investigate whether there is a correlation between the vegetative stress evaluated by the State-Trait-Anxiety-Inventory (STAI-Test) and the measurement of heart rate variability (HRV). A subgroup analysis will also be performed to determine whether premedication contributes to a lower STAI score and/or heart rate variability. The primary outcome will be the parameter of frequency-based analysis Low Frequency (LF) and High Frequency (HF), and the STAI score. Secondary outcomes are the parameters Low Frequency/High Frequency-ratio (LF/HF-ratio), Standard deviation of normal-to-normal (NN) intervals (SDNN), Root Mean Square of successive differences" (RMSSD) and mean heart rate, age, gender, if they are smokers and if they work in shifts.

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Detailed Description

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Conditions

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Preoperative Vegetative Stress

Study Design

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Observational Model Type

COHORT

Study Time Perspective

PROSPECTIVE

Eligibility Criteria

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Inclusion Criteria

* Subjects between 18 and 65 years
* Elective surgery with a low risk of bleeding
* American Society of Anesthesiologists (ASA) classification 1-2
* metabolic equivalent of task (MET) \> 4

Exclusion Criteria

* Pre-existing cardiac conditions such as heart failure, arterial hypertension,
* diabetes
* any central nervous system diseases
* cardiac pacemaker
* renal and hepatic insufficiency
* regional or peridural anesthesia
* Pregnancy, lactation
* Drugs that directly influence the autonomic nervous system

Minimum Eligible Age

18 Years

Maximum Eligible Age

65 Years

Eligible Sex

ALL

Accepts Healthy Volunteers

Yes