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Pre-clinic evidences showed that DEX produces antinociception by inhibiting the activation of spinal microglia and astrocyte decreasing noxious stimuli evoked release of nociceptive substances and further interrupting the spinal neuron-glia cross talk and regulating the nociceptive transmission under chronic pain condition. in this study, the analgesic efficacy of Dexmedetomidine was evaluated by a new non-invasive nociceptive index (qNOX). In this study, Anagel6000 analgesia monitor was used to quantitatively compare the analgesic efficacy of Dexmedetomidine compared with Midazolam.
Pre-clinic evidences showed that DEX produces antinociception by inhibiting the activation of spinal microglia and astrocyte decreasing noxious stimuli evoked release of nociceptive substances and further interrupting the spinal neuron-glia cross talk and regulating the nociceptive transmission under chronic pain condition. in this study, the analgesic efficacy of Dexmedetomidine was evaluated by a new non-invasive nociceptive index (qNOX). In this study, Anagel6000 analgesia monitor was used to quantitatively compare the analgesic efficacy of Dexmedetomidine compared with Midazolam.
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| Label | Type | Description | Intervention Names |
|---|---|---|---|
| Group 1 | Experimental | Dexmedetomidine group (Group DEX) was given 1.5ug/kg/h Dexmedetomidine continuous infusion Dexmedetomidine group (Group DEX) |
|
| Group 2 | Active Comparator | Midazolam group (Group MID) was continuously pumped with 0.05mg/kg/h midazolam |
|
| Name | Type | Description | Arm Group Labels | Other Names |
|---|---|---|---|---|
| Dexmedetomidine | Drug | Dexmedetomidine group (Group D) was given 1.5ug/kg/h Dexmedetomidine continuous infusion |
|
| Measure | Description | Time Frame |
|---|---|---|
| nociceptive index | qNOX reached target 80 during drug infusion(qNOX<80 Adequate;qNOX>80 unadequate) | During operation |
| Measure | Description | Time Frame |
|---|---|---|
| hypoxemia | incidence of hypoxemia(SPO2<95%Mild hypoxemia,SPO2<90% moderate hypoxemia, SPO2<85% severe hypoxemia) | During operation |
| systolic blood pressure | Change of systolic blood pressure(SBP) |
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Inclusion Criteria:
Exclusion Criteria:
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| Facility | Status | City | State | ZIP | Country | Contacts |
|---|---|---|---|---|---|---|
| China International Neuroscience | Beijing | Beijing Municipality | 100053 | China |
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| ID | Term |
|---|---|
| D020927 | Dexmedetomidine |
| D008874 | Midazolam |
| ID | Term |
|---|---|
| D007093 | Imidazoles |
| D001393 | Azoles |
| D006573 | Heterocyclic Compounds, 1-Ring |
| D006571 | Heterocyclic Compounds |
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| Midazolam | Drug | Midazolam group (Group M) was continuously pumped with 0.05mg/kg/h midazolam |
|
| During operation |
| heart rate | fluctuation of heart rate(HR) | During operation |
| diastolic blood pressure | fluctuation of diastolic blood pressure(DBP) | During operation |
| muscular activity | fluctuation of muscular activity (EMG) | During operation |
| D001569 |
| Benzodiazepines |
| D001552 | Benzazepines |
| D006574 | Heterocyclic Compounds, 2-Ring |
| D000072471 | Heterocyclic Compounds, Fused-Ring |