Status:

COMPLETED

Postoperative Neuroinflammation and Cognitive Dysfunction After Abdominal Surgery

Lead Sponsor:

Karolinska University Hospital

Collaborating Sponsors:

University of Copenhagen

Conditions:

Anesthesia

Surgery

Eligibility:

All Genders

60-75 years

Phase:

PHASE4

Brief Summary

The main purpose of this study is to assess the induction of neuroinflammation in brain regions of interest for learning and memory in adult patients undergoing urological surgery under general anesth...

Detailed Description

The investigators aim to study immune cell activation as a biomarker for neuroinflammation using the cell specific \[11C\]PBR28 probe as detected by PET imaging techniques.

Eligibility Criteria

Inclusion

  • Patients 60-75 years of age. American Society for Anesthesiologist' criteria (ASA) physical status I-III
  • Lower abdominal surgery (hysterectomy/prostatectomy) under general anaesthesia
  • Obtained consent within 3 months before execution of the study.

Exclusion

  • Patient's refusal to participate in the trial
  • Ongoing smoking, snuff or other nicotine compound treatment
  • Disabling neuropsychiatrical disorder (a Mini mental State Examination (MMSE) score ≤ 24, diagnosis of dementia, Mb Alzheimer, Mb Parkinson, schizophrenia, or mental depression) or other signs of significant cognitive decline.
  • History of stroke with neurological sequelae
  • Surgical procedure scheduled for regional anaesthesia.
  • Severe cardia and/or renal and/or hepatic impairment.
  • Coagulopathy.
  • Terminal phase of a chronic disease.
  • Patient on steroidal or non-steroidal anti-inflammatory drugs.
  • Admission B-Glucose \> 15 mmol/litre or poorly controlled diabetes mellitus.
  • Presumed uncooperativeness or legal incapacity.
  • Preoperative or later postoperative B-hemoglobin \< 90 g/L.

Key Trial Info

Start Date :

June 1 2013

Trial Type :

INTERVENTIONAL

Allocation :

ACTUAL

End Date :

February 1 2016

Estimated Enrollment :

8 Patients enrolled

Trial Details

Trial ID

NCT01881646

Start Date

June 1 2013

End Date

February 1 2016

Last Update

January 11 2017

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