4-choice Reaction Time Test for the Measurement of Psychomotor Recovery After General Anaesthesia (4CRT_Ane)

University Medicine Greifswald

Status

Completed

Conditions

Postoperative Complications

Treatments

Procedure: General anaesthesia

Study type

Observational

Funder types

Other

Identifiers

NCT03697057

III UV 03/05

Details and patient eligibility

About

The recovery of patients after general anaesthesia is usually estimated by using clinical signs and scores. Since there is a lack of the agreed objective methods for assessing cognitive and psychomotor recovery after general anaesthesia in ambulatory settings, the aim of this study was to evaluate three psychological tests for this purpose. Patients, who were scheduled for ambulatory gynaecological surgery, underwent 3 standard psychological tests before (T1), 15 minutes after the surgery (T2) and on discharge from the recovery room (T3). The tests used were Wechsler memory scale (test 1, working memory capacity), d2 - test (test 2, concentration endurance) and computer-based 4-choice-reaction time (4CRT, test 3, reaction time) as well as Postanesthesia Discharge Scoring System (PADSS). The same test battery was used in healthy female volunteers, all test results were compared at the different time points.

Enrollment

166 patients

Sex

Female

Ages

18 to 60 years old

Volunteers

Accepts Healthy Volunteers

Inclusion criteria

consecutive patients scheduled for ambulatory gynaecologic surgery
age of 18 to 60 years
a physical status I-II according to American Society of Anesthesiologists (ASA) classification
fluency in German language and the ability to perform all tests

Exclusion criteria

chronic consume of analgesics, psychotropic drugs, sedatives or alcohol
if the ambulatory surgery lasted more than 60 minutes
if the schema of standardised general anaesthesia was changed
if the ambulatory setting was changed and the patients unexpectedly remained over night in the hospital.