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Clinical Trial Details — Status: Completed

Administrative data

NCT number NCT02550626
Other study ID # 4-2015-0365
Secondary ID
Status Completed
Phase
First received
Last updated
Start date October 2015
Est. completion date August 2016

Study information

Verified date February 2019
Source Yonsei University
Contact n/a
Is FDA regulated No
Health authority
Study type Observational

Clinical Trial Summary

Hypothesis is that the presence of a-synucleinopathy related non motor symptoms could be predictive factor for post-operative delirium. During 72hrs after spine surgery, investigator will observe occurrence of post-operative delirium, and analysis difference of a-synucleinopathy related non motor symptoms between 2 groups.


Description:

Postoperative delirium appear approximately 10-70% of patients older than 65 yrs undergoing surgery and it is strongly associated with poor surgical outcome. The clinical characteristics of postoperative delirium are fluctuating attention, visual hallucination, disorganized thought and alter sleep-wake cycles. This is quite similar to core features of α-synuclein-related cognitive disorders such as parkinson`s disease dementia and dementia with lewy body. At that point, investigator thought that postoperative delirium is preclinical stage of a-synucleinopathy. In other words, a-synuclein related disorders and postoperative delirium may share an underlying neurochemical change in their pathogenesis.

investigator will recruit age 65 and older patients scheduled to perform spine surgery. The pre-operative evaluation include neurologic exam, baseline cognitive function and a-synucleinopathy related non motor symptoms through Questionnaires.


Recruitment information / eligibility

Status Completed
Enrollment 106
Est. completion date August 2016
Est. primary completion date August 2016
Accepts healthy volunteers Accepts Healthy Volunteers
Gender All
Age group 65 Years and older
Eligibility Inclusion Criteria:

1. Age 65 and older patients

2. Scheduled to perform spine surgery in severance hospital

Exclusion Criteria:

1. Previous delirium history

2. Previous chemotherapy or radiotherapy within 1yr due to underlying cancer.

3. Severe hepatic/renal dysfunction

Study Design


Related Conditions & MeSH terms


Locations

Country Name City State
Korea, Republic of Department of Neurology, Yonsei University College of Medicine Seoul Seou

Sponsors (1)

Lead Sponsor Collaborator
Yonsei University

Country where clinical trial is conducted

Korea, Republic of, 

Outcome

Type Measure Description Time frame Safety issue
Primary existence of anosomia During 72hrs after spine surgery, investigator will observe occurrence of post-operative delirium, and analysis difference of anosmia symptoms before operation between 2 groups. The cross-cultural smell identification test will be used for measure of anosmia. investigator define anosmia as less than 4 score on the cross-cultural smell identification test. This study is not interventional study, because measure of anosmia by smell kit will not develop post-operation delirium more. (investigator will classify our patients into normosmia if the CCSIT score is 9 or higher, and hyposmia if the CCSIT score is 6 or less. Patients whose CCSIT scores are 7 or 8 will be regarded as borderline.). A day before operation
Secondary existence of constipation Questionnaire (Constipation scoring system (Agachanet al., 1996) & Rome III Questionnaire (Constipation : Yes/No) A day before operation
Secondary existence of orthostatic hypotension Check 3 position BP (define orthostatic hypotension - sustained reduction of systolic blood pressure of at least 20 mmHg or diastolic blood pressure of 10 mmHg within 3 min of standing, / Questionnaire (orthostatic hypotension symptom assessment & Orthostatic hypotension daily activities scale) (orthostatic hypotension: Yes/No) A day before operation
Secondary existence of insomnia Questionnaire (Epworth Sleepiness Scale (ESS) : total score 0-24) A day before operation
Secondary existence of depression Questionnaire (Beck depression inventory, total score 0-63) A day before operation
Secondary existence of anxiety Questionnaire (The Parkinson Anxiety Scale, total score 0-48) A day before operation
Secondary existence of REM sleep behavior disorder Questionnaire (RBD screening questionnaire, total score 0-13) :These questionnaires & checking 3-position BP will not effect the occurence of post-operation delirium A day before operation