Effect of Preoperative Anxiety on Postoperative Delirium in Elderly Patients Undergoing Orthopaedic Surgery.

• Conditions: Delirium; Anxiety
• Interventions: Behavioral: preoperative anxiety

• Registration Number: NCT04216615
• Lead Sponsor: Xuzhou Medical University

Brief Summary

Postoperative delirium is a common and important complication in patients. The aim of this study was to investigate whether preoperative anxiety predicted onset of postoperative delirium in elderly patients undergoing orthopaedic surgery, so as to help develop preventive approaches.

Detailed Description

Not available

Study Timeline

• Status Verified: 2019-12
• Study First Submitted: 2019-12-31
• Study First Submitted QC: 2019-12-31
• Last Update Submitted: 2019-12-31
• Study First Posted: 2020-01-02
• Last Update Posted: 2020-01-02
• Study Start: 2020-01-04
• Primary Completion: 2020-09-01
• Study Completion: 2020-10-01

Recruitment & Eligibility

• Status: UNKNOWN
• Sex: All
• Target Recruitment: 290

Inclusion Criteria

• aged 65 or older
• patients undergoing elective orthopaedic surgery
• ASA I-III

Exclusion Criteria

• history of craniocerebral trauma surgery or severe central nervous system disease
• inability to read or understand the informed consent documents
• too physically or psychologically ill

Study & Design

• Study Type: OBSERVATIONAL
• Study Design: Not specified

Arm && Interventions

Group	Intervention	Description
patients without preoperative anxiety	preoperative anxiety	-
patients with preoperative anxiety	preoperative anxiety	-

Primary Outcome Measures

Name	Time	Method
Incidence of postoperative delirium	5-day postoperative period	postoperative delirium is diagnosed using CAM