Clinical Prediction Model and External Validation of Chronic Postsurgical Pain in Elders

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

7770 participants

Study Classification

OBSERVATIONAL

Study Start Date

2020-04-01

Study Completion Date

2022-04-30

Brief Summary

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This study will collect perioperative pain-related data of elderly patients in multi-centers. Analyzing these collected data to find the high-risk factors of chronic postsurgical pain in elderly patients and to establish an early-warning models of perioperative pain in elderly patients, so as to improve the ability of assessing the risks of postoperative pain in elderly patients and providing an early warning.

Based on the database, the investigators intend to explore:

* Perioperative risk assessment methods and early warning models for elderly patients;
* Practical, safe, and effective risk prevention and control system through subsequent studies.

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Detailed Description

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This study will collect perioperative pain-related data of elderly patients in multi-centers, including: preoperative general data, intraoperative anesthesia and surgical data, clinical laboratory data, postoperative pain and intervention, postoperative complications and quality of life. Analyzing these collected data to find the high-risk factors of chronic postsurgical pain in elderly patients and to establish an early-warning model of chronic postsurgical pain in elderly patients, so as to improve the ability of assessing the risks of chronic postsurgical pain in elderly patients and providing an early warning.

Conditions

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Chronic Postsurgical Pain

Study Design

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Observational Model Type

COHORT

Study Time Perspective

RETROSPECTIVE

Study Groups

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training group

elderly patients (aged ≥ 65 years) elderly patients undergo surgeries

• no intervention

Intervention Type OTHER

• no intervention

external validation group

elderly patients (aged ≥ 65 years) elderly patients undergo surgeries

• no intervention

Intervention Type OTHER

• no intervention

Interventions

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• no intervention

Intervention Type OTHER

Eligibility Criteria

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Inclusion Criteria

* Diagnosis of Chronic postsurgical pain (CPSP) CPSP was made based on the guidelines of the International Society for Pain (CPSP: ICD-11) as follows: Chronic postsurgical pain is chronic pain developing or increasing in intensity after a surgical procedure and persisting beyond the healing process, i.e. at least 3 months after surgery. The pain is either localised to the surgical field, projected to the innervation territory of a nerve situated in this area, or referred to a dermatome (after surgery/injury to deep somatic or visceral tissues). Other causes of pain including infection, malignancy etc. need to be excluded as well as pain continuing from a pre-existing pain problem. Dependent on type of surgery, chronic postsurgical pain often may be neuropathic pain.
* Geriatric surgical patients ≥65 years old

Exclusion Criteria

* Patients in the central nervous system group were excluded from cardiac and neurosurgery, patients in the heart injury group were excluded from cardiac surgery, and patients who did not agree to participate in the study were excluded in all groups.

Minimum Eligible Age

65 Years

Eligible Sex

ALL

Accepts Healthy Volunteers

No