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This study aims to compare the use of low fresh gas flow (1 L/min) desflurane anesthesia with minimum fresh gas flow (0.5 L/min) desflurane anesthesia in patients undergoing robotic-assisted abdominal surgery. The comparison will be based on hemodynamic and respiratory parameters. The secondary aim of our study is to compare the two different fresh gas flow methods in terms of inhalation agent consumption and soda lime consumption.
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| Label | Type | Description | Intervention Names |
|---|---|---|---|
| Group 1 | After intubation, a fresh gas flow of 3 L/min will be applied for the first 20 minutes and then reduced to 0.5 L/min. |
| |
| Group 2 | After intubation, a fresh gas flow of 3 L/min will be applied for the first 20 minutes and then reduced to 1 L/min. |
|
| Name | Type | Description | Arm Group Labels | Other Names |
|---|---|---|---|---|
| blood gas analysis | Other |
|
| Measure | Description | Time Frame |
|---|---|---|
| inspiratory O2 concentration | inspiratory O2 concentration is measured from anesthesia machine monitor | from beginning of anesthesia induction to the end of anesthesia (during periopertaive period) |
| partial oxygen pressure | PO2 from blood gas analysis | from beginning of anesthesia induction to the end of anesthesia (during periopertaive period) |
| Measure | Description | Time Frame |
|---|---|---|
| desflurane consumption | desflurane consumption | 3th hour |
| changes in liver and kidney function tests from the preoperative values to 48 hours postoperative | to determine the changes in serum aspartate aminotransferase (AST), alanine aminotransferase (ALT), blood urea nitrogen (BUN), and creatinine from the preoperative values to 48 hours postoperative |
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Inclusion Criteria:
Exclusion Criteria:
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Patients undergoing robotic-assisted abdominal surgery
| Name | Role | Phone | Extension | |
|---|---|---|---|---|
| Betül Güven Aytaç | Contact | +903125662200 | drbguven@hotmail.com |
| Name | Affiliation | Role |
|---|---|---|
| Betül Güven Aytaç | Ankara City Hospital Bilkent | Principal Investigator |
| Facility | Status | City | State | ZIP | Country | Contacts |
|---|---|---|---|---|---|---|
| Ankara City Hospital | Ankara | Turkey (Türkiye) |
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blood gas analysis
|
| postoperative 1st day |
| ID | Term |
|---|---|
| D001784 | Blood Gas Analysis |
| ID | Term |
|---|---|
| D001774 | Blood Chemical Analysis |
| D019963 | Clinical Chemistry Tests |
| D019411 | Clinical Laboratory Techniques |
| D019937 | Diagnostic Techniques and Procedures |
| D003933 | Diagnosis |
| D012129 | Respiratory Function Tests |
| D003948 | Diagnostic Techniques, Respiratory System |
| D008919 | Investigative Techniques |
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