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The effect of reducing the size of the intubation tube on the amount of sore throat after surgery

comparing the use of tracheal tube size 7.5 and 6.5 in men and 7 and 6 in women during laparoscopic surgery in terms of reducing the incidence of sore throat and hoarseness after intubation

Status
Active, not recruiting
Phases
Phase 3
Study type
Interventional
Source
IRCT
Registry ID
IRCT20230825059253N1
Enrollment
140
Registered
2024-02-03
Start date
2023-09-23
Completion date
Unknown
Last updated
2024-03-06

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

Conditions

Sore throat after surgery. Acute laryngitis

Interventions

Intervention 1: The first intervention group consists of men who meet the conditions for entering the study, for whom we place an endotracheal tube number 6.5, which are compared with the control grou

Sponsors

Research assistant of Mashhad University of Medical Sciences
Lead Sponsor

Eligibility

Sex/Gender
All
Age
18 Years to 60 Years

Inclusion criteria

Inclusion criteria: 18-60 years old candidates for laparoscopic surgery BMI below 35 ASA I or II clinical status.

Exclusion criteria

Exclusion criteria: history of allergies and respiratory diseases history of respiratory infection during the last month History of cold or respiratory infection in the last month History of esophageal reflux Patients who fall into four Cormak-Lehane classifications during laryngoscopy Any disturbance in hemodynamics or oxygen delivery to the patient during anesthesia Need more than two laryngoscopy directions for intubation Even in patients with a BMI below 35, if re-intubation is needed due to the need to replace the tracheal tube due to overinflation Patients whose surgery lasts more than 3 hours

Design outcomes

Primary

MeasureTime frame
Evaluation of postoperative sore throat and voice severity (according to the patient's statement). Timepoint: at 1, 6, and 24 hours after surgery. Method of measurement: based on VAS criteria.

Countries

Iran (Islamic Republic of)

Contacts

Public ContactPooria Namaei

Mashhad University of Medical Sciences

namaeip@mums.ac.ir+98 51 3840 2776

Outcome results

None listed

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