Health Condition 1: Q070- Arnold-Chiari syndrome Health Condition 2: Q062- Diastematomyelia Health Condition 3: M411- Juvenile and adolescent idiopathicscoliosis Health Condition 4: Q057- Lumbar spina bifida without hydrocephalus Health Condition 5: C720- Malignant neoplasm of spinal cord Health Condition 6: O- Medical and Surgical Health Condition 7: G55- Nerve root and plexus compressionsin diseases classified elsewhere Health Condition 8: M414- Neuromuscular scoliosis Health Condition 9: Q063
Conditions
Interventions
Sponsors
Eligibility
Inclusion criteria
Inclusion criteria: Patients undergoing spine surgery under Motor Evoked Potential monitoring
Exclusion criteria
Exclusion criteria: 1)Age 14years 2)Patients with known allergy to any of the drugs used in the study (general anaesthetics, dexmedetomidine) 3)Disturbed intracranial dynamics that may affect TCD readings –untreated hydrocephalus, craniosynostosis
Design outcomes
Primary
| Measure | Time frame |
|---|---|
| Transient Hyperaemic Response Ratio (THRR) measured from the right middle cerebral arteryTimepoint: measurements of THRR will be made 10 minutues after induction of anaesthesia, before the commencement of the surgery | — |
Secondary
| Measure | Time frame |
|---|---|
| Strength of Autoregulation(SA) will be calculated as a secondary outcomeTimepoint: Measurements will be taken 10 minutes after the induction of anaesthesia, & before the commencement of surgery | — |
Countries
India
Contacts
Amrita Institute of Medical Sciences and Research Center, Kochi