General anesthesia in asthmatic patients, airway management

Laryngeal mask airway (LMA) compared to endotrachal tube (ETT) for mild asthmatic patients undergoing emergent surgery regarding airway pressure

Status

Active, not recruiting

Phases

Phase 3

Study type

Interventional

Source

IRCT

Registry ID

IRCT201511223436N5

Enrollment

Registered

2015-12-23

Start date

2016-01-20

Completion date

Unknown

Last updated

2018-02-22

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

Conditions

Asthma. Mild intermittent and persistant asthma

Interventions

Intervention 1: Intervention in T group: After induction and in deep state of anesthesia with proper muscle relaxation, appropriate size ETT (SUPA Co. Tehran, Iran) is placed for the patient. Interven

Prevention

Intervention in T group: After induction and in deep state of anesthesia with proper muscle relaxation, appropriate size ETT (SUPA Co. Tehran, Iran) is placed for the patient.

Intervrntion in L group: After induction and in deep state of anesthesia with proper muscle relaxation, appropriate size LMA (Well Lead, China) is placed for the patient.

Eligibility

Sex/Gender

All

Age

16 Years to 50 Years

Inclusion criteria

Inclusion criteria: Inclusion: aged 16-59. no cardiac problem. no medical problem except asthma. asthma can be active however should be categorized as mild with no respiratory distress or desaturation less than 90%. Exclusion: surgery duration more than 2 hours. Changing head position more than three times in the surgery.

Exclusion criteria

Exclusion criteria:

Design outcomes

Primary

Measure	Time frame
Arterial oxygen desaturation. Timepoint: Continuous pulse measurement during anesthesia and recovery. Method of measurement: arteril oxygen desaturation to less than 90% for longer than one minute.;Airway pressure more than 30 with LMA or 50 by ETT. Timepoint: continuous- breath by breath in the first 20 minutes and every 5 minutes afterwards. Method of measurement: Airway pressure in CmH2o by Anesthesia machine.	—

Measure

Time frame

Arterial oxygen desaturation. Timepoint: Continuous pulse measurement during anesthesia and recovery. Method of measurement: arteril oxygen desaturation to less than 90% for longer than one minute.;Airway pressure more than 30 with LMA or 50 by ETT. Timepoint: continuous- breath by breath in the first 20 minutes and every 5 minutes afterwards. Method of measurement: Airway pressure in CmH2o by Anesthesia machine.

—

Secondary

Measure	Time frame
Nausea and vomiting. Timepoint: Every 5 minutes in recovery. Method of measurement: Asking from the patient.;Dyspnea. Timepoint: Every 5 minutes in recovery after being fully awake. Method of measurement: asking from the patient.;Respiratory wheeze. Timepoint: Every 30 minutes in recovery. Method of measurement: Auscultation for wheeze (inspiratory -expiratory- mild, moderate or severe).	—

Countries

Iran (Islamic Republic of)

Contacts

Public ContactBabak Gharaei

Medical School, Shahid Beheshti University of Medical Sciences

b.gharaei@sbmu.ac.ir+98 21 2360 2175

Outcome results

None listed

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