Vital Values at Circadian Markers in Postoperative Patients

Characterization of Vital Sign Circadian Fluctuations in Postsurgical Patients With or Without Complications

To describe changes in various diurnal patterns in vital values after surgery. These will be analyzed based on whether the patients have complications or no complications.

Inclusion Criteria:

• Admitted for surgery
• Expected time of surgery was more than 2 hours.
• Expected post-operative length of stay was more than 2 days.

Exclusion Criteria:

• Allergy to study materials
• Patients with a pacemaker
• Patients that were expected to be unable to cooperate with study procedures (for instance a Mini-Mental State Exam(MMSE < 25)