Thoracoscopy, Anesthesia; Functional, Tracheal Intubation
Conditions
Brief summary
The non-intubated video-assisted thoracic surgery (NIVATS) can avoid intubation-related complications and for a smoother postoperative recovery. Successful results are accumulating not only from anecdotal case reports of difficult and high-risk patients not suitable for an intubated general anesthesia. However, in spite of safety and feasibility, there were still three main concerns: 1. how to maintain spontaneous breathing with optimal anesthetic depth; 2. How to analyze the components of general anesthesia and regional anesthesia; 3.what's the benefits on the recovery and the risk of aspiration risk with NIVATS? The traditional monitor or methods such as BIS system, SpO2, and follow-up aspiration signs could not offer sufficient evidence to resolve the three main concerns. Recently, there have been many new methods to monitor these concerns. The density spectral array (DSA) BIS system could analyze the change of the anesthetic component. The ORI is a dimensionless index that reflects oxygenation in the moderate hyperoxic range (PaO2 100-200 mmHg).
Detailed description
Background: The non-intubated video-assisted thoracic surgery (NIVATS) can avoid intubation-related complications and for a smoother postoperative recovery. In recent years, investigator have completed more than 1000 NIVATS. However, the benefits on recovery including swallowing and esophageal function have nerver been demonstrated. The anesthetic components include an intravenous general anesthesia with an intraoperative nerve blocks. Monitoring and analyzing the components of anesthesia have rarely been studied. In this study, the investigator plan to do a radomized control study to demonstarte the differences between NIVATS and intubated VATS, and to investigate the differences on recovery and anesthetic components. Patients schedured for VATS operation, suitable for NIVATS will be included and randomized into NIVATS or VATS groups. DSA and Ce will be monitored throughout the surgical procedures. swalowing test, esophageal function and postoperative qustionare for food intake will be recorded, collected and analyzed.
Interventions
PROCEDUREDSA
The changes on DSA on NIVATS and VATS
Sponsors
National Taiwan University Hospital
Study design
Allocation
RANDOMIZED
Intervention model
PARALLEL
Primary purpose
OTHER
Masking
TRIPLE (Caregiver, Investigator, Outcomes Assessor)
Intervention model description
compare the DSA monitoring between the patients receiving intubated or NIVATS
Eligibility
Sex/Gender
ALL
Age
20 Years to No maximum
Healthy volunteers
No
Inclusion criteria
* patients schedured for VATS operations, suitable for NIVATS after anesthetic evaluation
Exclusion criteria
\-
Design outcomes
Primary
| Measure | Time frame | Description |
|---|---|---|
| The changes of Ce of propofol and remifentanil | four hours in the intraoperative period | The changes of concentration of effective site (Ce) shown on TCI pump before and after intercostal nerve block in NIVATS and VATS groups |
| density spectral array changes with thoracoscopic intercostal nerve blocks | four hours in the intraoperative period | a colour display that represents the frequencies and amplitudes of brain waves through time, with the colour spectrum ranging from blue (minimum amplitude) to dark red (maximum amplitude). |
Countries
Taiwan
Outcome results
None listed