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Average size and depth of endotracheal tube insertion using ultrasound in infants less than 28 months of age

Determining the size and depth of the endotracheal tube using ultrasound compared to the conventional method in infants less than 28 months

Status
Active, not recruiting
Phases
Phase 2
Study type
Interventional
Source
IRCT
Registry ID
IRCT20221108056446N20
Enrollment
100
Registered
2025-07-19
Start date
2025-08-23
Completion date
Unknown
Last updated
2025-08-19

For informational purposes only — not medical advice. Sourced from public registries and may not reflect the latest updates. Terms

Conditions

Any disease requiring elective surgery under general anesthesia.

Interventions

Intervention 1: Intervention group: The child is placed on the operating table and an ultrasound scan is performed as soon as possible. The subglottic diameter is assessed with high-resolution B-mode

Sponsors

Esfahan University of Medical Sciences
Lead Sponsor

Eligibility

Sex/Gender
All
Age
1 Days to 28 Months

Inclusion criteria

Inclusion criteria: Candidate for elective surgery requiring general anesthesia and endotracheal intubation No upper respiratory tract infection Absence of trachea and larynx pathology No restriction of neck mobility Failure to insert a supraglottic airway device Parental consent to participate in the study

Exclusion criteria

Exclusion criteria: Need for mechanical ventilation after surgery If previous anesthesia records indicate that the child required a large or small tube Patients requiring surgery in specific positions Inability to measure scales obtained from ultrasound

Design outcomes

Primary

MeasureTime frame
Respiratory complications after intubation. Timepoint: After elective surgery under general anesthesia. Method of measurement: Croup, cough, shortness of breath, O2sat <90%, dysphonia or stridor.

Countries

Iran (Islamic Republic of)

Contacts

Public ContactOmid Aghadavoudi

Esfahan University of Medical Sciences

aghadavoudi@med.mui.ac.ir+98 913 310 9089

Outcome results

None listed

Source: IRCT (via WHO ICTRP) · Data processed: Feb 4, 2026