Health Condition 1: null- Performance of i-gel in patients under general anesthesia on spontaneous pressure-support ventilation with neutral position of cervical spine and on passive movements of the cervical spine.
Conditions
Interventions
Intervention1: Passive movement of the cervical spine.: Performance of the i-gel with the following passive movements of the cervical spine:
1) Flexion of 50 degrees.
2) Extension of 60 degrees.
3) Le
Sponsors
Medical College Kolkata
Eligibility
Inclusion criteria
Inclusion criteria: Adult patients of ASA I and II physical status, undergoing general anesthesia on spontaneous pressure support ventilation with i-gel supraglottic airway.
Exclusion criteria
Exclusion criteria: Unwilling patients. Patients with ASA III or worse physical status. Any contraindications to the use of supraglottic airway. History of trauma or surgery or any diseases involving atlanto-occipital joint or cervical spine, or any restriction in active range of movement (AROM) of cervical spine on preoperative examination.
Design outcomes
Primary
| Measure | Time frame |
|---|---|
| Performance of i-gel supraglottic airway under general anesthesia with spontaneous pressure support ventilation on neck movements. (1)Fall in expiratory minute ventilation (L/min) by more than 20% from baseline. (2)Leak around i-gel (measured by the difference between set fresh gas flow and measured fresh gas flow).Timepoint: One minute after each passive neck movement. | — |
Secondary
| Measure | Time frame |
|---|---|
| (1) Air leak around i-gel (palpable over laryngeal cartilage). (2) Audible air leak around i-gel. (3) Rise in ETCO2 of more than 5 mmHg from baseline. (4) Fall in SpO2 by more than 2% from baseline. (5) Visible displacement of the i-gel supraglottic airway.Timepoint: Immediately and one minute after each passive neck movement. | — |
Countries
India
Contacts
Public ContactDr Jyotirmay Kirtania
ESI-PGIMSR and Medical College, Joka
Outcome results
None listed