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Controlled hypotension is a preferred method for reducing surgical bleeding during septoplasty operations however, the level of hypotension and bradycardia should not disrupt cerebral oxygenation. On this account, the investigators aim to investigate the effects of different volatile anesthetics combined with a short-acting opioid on cerebral oxygenation during controlled hypotension using near infrared spectroscopy.
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| Label | Type | Description | Intervention Names |
|---|---|---|---|
| Sevoflurane | Experimental |
| |
| Desflurane | Experimental |
|
| Name | Type | Description | Arm Group Labels | Other Names |
|---|---|---|---|---|
| Sevoflurane | Drug | Sevoflurane %2-3 for general anesthesia maintenance |
| |
| Measure | Description | Time Frame |
|---|---|---|
| Cerebral oxygen saturation as measured by Near Infrared Spectroscopy | The effect of sevoflurane and desflurane on NIRS values | Duration of surgery |
| Measure | Description | Time Frame |
|---|---|---|
| Total remifentanil consumption as measured in micrograms | Duration of surgery | |
| The effect of anesthetics on hemodynamic variables | The effects of sevoflurane and desflurane on mean arterial pressure |
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Inclusion Criteria:
Exclusion Criteria:
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| Name | Affiliation | Role |
|---|---|---|
| Ülkü C Köksoy, MD | Fellow | Principal Investigator |
| Facility | Status | City | State | ZIP | Country | Contacts |
|---|---|---|---|---|---|---|
| Ufuk University Hospital | Ankara | Turkey (Türkiye) |
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| ID | Term |
|---|---|
| D000077149 | Sevoflurane |
| D000077335 | Desflurane |
| ID | Term |
|---|---|
| D008738 | Methyl Ethers |
| D004987 | Ethers |
| D009930 | Organic Chemicals |
| D006845 | Hydrocarbons, Fluorinated |
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| Desflurane |
| Drug |
Desflurane %6-8 for general anesthesia maintenance |
|
| Duration of surgery |
| The effect of anesthetics on hemodynamic variables | The effects of sevoflurane and desflurane on heart rate | Duration of surgery |
| The effect of anesthetics on hemodynamic variables | The effects of sevoflurane and desflurane on bispectral index | Duration of surgery |
| D006846 |
| Hydrocarbons, Halogenated |
| D006838 | Hydrocarbons |
| D005019 | Ethyl Ethers |