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Post-operative Cognitive Dysfunction and the Change of Regional Cerebral Oxygen Saturation in Elderly Patients Undergoing Spinal Surgery

NCT01839227 · Status: COMPLETED · Phase: NA · Type: INTERVENTIONAL · Enrollment: 87

Last updated 2015-01-28

No results posted yet for this study

Summary

Post operative cognitive dysfunction (POCD) is a well-recognized complication of patients undergoing cardiac surgery. Previous studies reported near-infrared spectroscopy provides information on the occurrence of cerebral desaturation resulted in POCD. But evidence of POCD after general surgery has been lacking. Especially, the prone position is used primarily for surgical access to the posterior spine, if there is any significant lowering of the legs or tilt of the entire table, venous returns may be decrease or augmented accordingly. The purpose of this study was to examine the relationship between POCD and intra-operative cerebral oxygen saturation after spine surgery in elderly patients.

Conditions

  • Elderly Patients Undergoing Spinal Surgery

Interventions

OTHER

Neurologic and neuropsychologic tests

Cognitive functioning was assessed with the following test: Korean Mini-Mental State Examination (K-MMSE) and visuomotor test of D-LOTCA battery. Regional cerebral oxygen saturation was continuously monitored using the INVOS 5100 (somatics,Troy, MI) with bifrontal placement of two sensors before the induction of the anesthesia until the end of operation. Baseline rSO2 was defined as the average saturation value over a 1 min period before induction of general anesthesia, beginning approximately 3 min after the sensors were applied in supine position. After the induction, baseline prone rSO2 was defined over a 5min period after the change of position. There is no intervention were made according to rSO2 values. Physiologic variables including BIS, PaCO2,PaO2, glucose, electrolyte, hematocrit, HR, MAP, and nasopharyngeal temperature were measured every 1 hours during the surgery.

Sponsors & Collaborators

  • Yonsei University

    lead OTHER

Study Design

Allocation
NA
Purpose
SCREENING
Masking
NONE
Model
SINGLE_GROUP

Eligibility

Min Age
65 Years
Max Age
85 Years
Sex
ALL
Healthy Volunteers
No

Timeline & Regulatory

Start
2012-11-30
Primary Completion
2014-07-31
Completion
2014-07-31

Countries

  • South Korea

Study Locations

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Read the full study record

This page highlights key information. For complete eligibility criteria, study locations, investigator contacts, and the full protocol, visit the original record on ClinicalTrials.gov.

View NCT01839227 on ClinicalTrials.gov