pediatric patients proposed operation
Conditions
Interventions
Sponsors
Eligibility
Inclusion criteria
Inclusion criteria: periatric patients proposed operation
Exclusion criteria
Exclusion criteria: when the agreement is not provided, and the withdrawal of the agreement is recognized
Design outcomes
Primary
| Measure | Time frame |
|---|---|
| the number of puncture, the time to insert successfully | — |
Countries
Japan
Contacts
Sapporo Medical University School of Medicine Hospital section