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Table 1 Frequency and scope of trial visits

From: Effect of personalized perioperative blood pressure management on postoperative complications and mortality in high-risk patients having major abdominal surgery: protocol for a multicenter randomized trial (IMPROVE-multi)

 

Preoperative

Perioperative

Postoperative

Day

 − x to − 1

0

1

2

3

4–6

7

30

90

Visits/contacts

I

II

III

IV

V

VI

VII

VIII

IX

Informed consent

X

        

Baseline assessment (i.e., demographic data, medical history)

X

        

Preoperative automated blood pressure monitoring

X

        

Blood sampling #1 (baseline values)

(X)

X

       

Randomization

 

X

       

Perioperative blood pressure management

 

X

       

Blood sampling #2, 3, 4, and 5

  

X

X

X

(X)

Xa

  

Primary outcome assessment

      

X

  

Secondary outcome assessments

    

X

 

X

X

X

  1. aIf the patient is discharged earlier than day 7, creatinine and high-sensitivity troponin concentrations will be required on the day of hospital discharge