Health Condition 1: null- ASA 1 to 3
Conditions
Interventions
None listed
Sponsors
Department of Anesthesia and Intensive care
Eligibility
Inclusion criteria
Inclusion criteria: ASA-PS 1 TO 3
Exclusion criteria
Exclusion criteria: Preoperative GCS less than 13 Patients with carotid artery disease Patients with ischemic stroke Patients with unstable cardiorespiratory diseases Patients with hepatic or renal insufficiency Inability to create a window for TCD
Design outcomes
Primary
| Measure | Time frame |
|---|---|
| To measure the changes in the middle cerebral artery flow velocity related in the various positions used for posterior fossa surgeryTimepoint: Preoperative before induction,Post induction before positioning,Post induction after positioning,Post surgery post extubation when patient is supine | — |
Secondary
| Measure | Time frame |
|---|---|
| Changes in Pulsatility index,Resistive index,Effective cerebral perfusion pressure by Belforts formulaTimepoint: Preoperative before induction,Post induction before positioning,Post induction after positioning,Post surgery post extubation when patient is supine;correlate these changes with postoperative recovery in terms of duration of ICU stay,duration of mechanical ventilation,hospital stay and postoperative complicationsTimepoint: At discharge;Glassgow outcome scale-extendedTimepoint: Postoperative day at discharge and at one month | — |
Countries
India
Contacts
Public ContactRAJESHKANNAN VARADHARAJAN
Postgraduate institute of medical education and research
Outcome results
None listed