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The purpose of this study is to determine if inducing a moderate or greater neuromuscular block (TOF count 0-3) when performing a neuromuscular block in pediatric patients aged 3 to 18 years undergoing strabismus surgery under general anesthesia can reduce the incidence of the oculocardiac reflex.
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| Label | Type | Description | Intervention Names |
|---|---|---|---|
| block group | Experimental |
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| control group | Active Comparator |
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| Name | Type | Description | Arm Group Labels | Other Names |
|---|---|---|---|---|
| moderate to deep neuromuscular blockade | Other |
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| Measure | Description | Time Frame |
|---|---|---|
| The incidence of grade 2 or greater oculocardiac reflex (during strabismus surgery) | > 20% reduction in heart rate during strabismus surgery | Day 1, During general anesthesia for strabismus surgery (within 2 hours). |
| Measure | Description | Time Frame |
|---|---|---|
| The incidence of grade 1 oculocardiac reflex (during strabismus surgery) | < 20% reduction in heart rate during general anesthesia for strabismus surgery (within 2 hours). | Day 1, During general anesthesia for strabismus surgery (within 2 hours). |
| The incidence of grade 3 or greater oculocardiac reflex (during strabismus surgery) |
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Inclusion Criteria:
Exclusion Criteria:
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| Facility | Status | City | State | ZIP | Country | Contacts |
|---|---|---|---|---|---|---|
| Seoul National University Hospital | Seoul | South Korea |
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| ID | Term |
|---|---|
| D013285 | Strabismus |
| ID | Term |
|---|---|
| D015835 | Ocular Motility Disorders |
| D003389 | Cranial Nerve Diseases |
| D009422 | Nervous System Diseases |
| D005128 | Eye Diseases |
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| shallow to minimal neuromuscular blockade | Other |
|
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> 30% decrease in heart rate (moderate oculocardiac reflex) during strabismus surgery |
| During general anesthesia for strabismus surgery (usually within 2 hour) |
| The incidence of hypotension | The incidence of hypotension, defined as a drop to 20% or more of baseline mean blood pressure | During general anesthesia for strabismus surgery (within 2 hour) |
| Postoperative nausea/vomiting | Presence of postoperative nausea/vomiting as assessed in the recovery room | From extubation to post-anesthesia care unit stay (within 1 hour) |
| Results from a refraction test before strabismus surgery | Results from a refraction test before strabismus surgery measured at outpatient clinic | Before strabismus surgery (within 12 month) |
| Results from a refraction test at strabismus surgery | Results from a refraction test during strabismus surgery | During general anesthesia for strabismus surgery (within 2 hour) |