Postoperative Delirium in Adult Patients After Elective Craniotomy Under General Anaesthesia

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

800 participants

Study Classification

OBSERVATIONAL

Study Start Date

2017-03-01

Study Completion Date

2018-02-02

Brief Summary

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Postoperative delirium may result in many adverse complications. At present little is known about postoperative delirium in patients after crniotomy because they may manifest similar symptoms to definitely delirium for some structural brain disease. Objective of this study is to find out incidence and risk factors of postoperative delirium in patients after elective craniotomy and also the relationship of postoperative delirium with clinical outcome.

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Detailed Description

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The study is a prospective single-center cohort study. Consecutive adult patients admitted to the ICU after elective craniotomy is enrolled. Richmond Agitation Sedation Scale (RASS) is used to assess level of consciousness of patients; if conditions met "RASS≥-3", the Confusion Assessment Method for the Intensive Care Unit will proceed to evaluate delirium signs in patients. Delirium is assessed every 12-hour shift within 3 days during the patient's ICU stay and ended when discharged from ICU or dead, time started at 9am and 9pm. On the third day after operation when most patients have been transferred to general ward, delirium was assessed only at 9am for follow-up studies. Patients is divided into two groups via assessment of CAM-ICU: delirium groups and non-delirium groups. Factors potentially related to postoperative delirium are collected and categorized as preoperative, intraoperative and postoperative in chronological order. Univariate analyses between delirium groups and non-delirium groups is performed. The stepwise backward logistic regression is carried out to identify the independent predictors of delirium. Patients will be followed up until hospital discharge, death or 90 days after the enrollment. Clinical outcome such as days on the mechanical ventilator, endotracheal extubation time, need for re-intubation and tracheotomy, unexpected reoperation within 72 h after surgery, length of stay in the ICU , hospital costs and mortality will be registered.

Conditions

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Intensive Care Surgical Postoperative Care Neurosurgery

Study Design

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Observational Model Type

COHORT

Study Time Perspective

PROSPECTIVE

Study Groups

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delirium group

CAM-ICU is positive within the first 24 hours after operation

No interventions assigned to this group

non-delirium group

CAM-ICU is negative within the first 24 hours after operation

No interventions assigned to this group

Eligibility Criteria

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Inclusion Criteria

* Adult patients after elective craniotomy under general anaesthesia and admitted to the ICU directly after surgery.

Exclusion Criteria

1. Patients younger than 18 years
2. Patients with emergency operation
3. Patients with preoperative impairment of consciousness (GCS\<8)
4. Patients with a past medical history of delirium or schizophrenia(evaluated by the medical document)
5. Patients withventriculoperitoneal shunt or endoscope operation
6. Patients with inability to communicate in the preoperative period(including language barrier)
7. Pregnant or lactating women.

Minimum Eligible Age

18 Years

Eligible Sex

ALL

Accepts Healthy Volunteers

No