Health Condition 1: J00-J99- Diseases of the respiratory system Health Condition 2: null- Patients undergoing thoracotomy and one lung ventilation
Conditions
Interventions
Sponsors
Eligibility
Inclusion criteria
Inclusion criteria: 18-60 yrs, ASA I-II patients undergoing Thoracotomy and one lung ventilation for lung surgery.
Exclusion criteria
Exclusion criteria: Contraindication to Epidural anaesthesia, Known allergy to study drugs, Documented severe cardiovascular disease, H/o Myocardial infarction, arrhythmias, Hypertensives on treatment with alpha2 agonists, Severe neuropsychiatric disease, renal dysfunction(S.cr >1.5gm/dl), Hepatic dysfunction, Long term alcohol or other drug addiction. Intraoperative exclusion criteria- If Spo2 decreased to
Design outcomes
Primary
| Measure | Time frame |
|---|---|
| Oxygenation(PaO2) and shunt fraction(Qs/Qt)Timepoint: 15 minutes after two lung ventilation (TLV15) 15 and 45 minutes after one lung ventilation (OLV15, OLV45) Reinstitution of TLV (ReTLV) | — |
Secondary
| Measure | Time frame |
|---|---|
| 1.Induction dose of Propofol, 2.Heart rate, systolic, diastolic,Mean arterial pressure, Central venous pressure, Entropy values and End tidal sevoflurane concentrationTimepoint: 1.At induction 2. 1,2,5 minutes after intubation, TLV15, OLV15, OLV45, Re TLV | — |
Countries
India
Contacts
Nizams Institute of Medical Sciences