09 January 2023 : Clinical Research
Effects of Electrical Impedance Tomography-Guided Positive End-Expiratory Pressure on Postoperative Cardiopulmonary Exercise Capacity in Elderly Patients: Study Protocol for a Randomized Controlled Trial
Wentao Liu

DOI: 10.12659/MSM.938333
Med Sci Monit 2023; 29:e938333
Table 1 The schedule of enrollment, interventions, and assessments.
Timepoint | Study period | Close-out | ||||||||
---|---|---|---|---|---|---|---|---|---|---|
Enrolment | Allocation | Post-allocation | ||||||||
Preoperative visit | Before anesthesia | After intubation | During anesthesia | End of surgery | POD1 | POD3 | POD7 | Before hospital discharge | Hospital discharge | |
Enrollment | ||||||||||
Eligibility screen | X | |||||||||
Informed consent | X | |||||||||
Demographic data | X | |||||||||
ARISCAT score | X | |||||||||
Allocation | X | |||||||||
Interventions | ||||||||||
Intervention group | X | |||||||||
Control group | ||||||||||
Assessments | ||||||||||
Cardiopulmonary exercise test | X | X | ||||||||
Respiratory parameters | X | |||||||||
Electrical impedance tomography | ||||||||||
Blood gas analysis | X | X | X | X | X | X | ||||
Hemodynamic variables | ||||||||||
Incidence of postoperative complications | X | X | X | |||||||
Adverse events | ||||||||||
Hospital stay/ Intensive Care Unit stay | X | |||||||||
POD – postoperative day; ARISCAT – Assess Respiratory Risk in Surgical Patients in Catalonia. |