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The effect of nitrous oxide in post operative abdominal pain

The effect of nitrous oxide in post operative epigastric pain in the patients underwent general anesthesia with laryngeal mask airway

Status
Active, not recruiting
Phases
Unknown
Study type
Interventional
Source
IRCT
Registry ID
IRCT2015010420542N1
Enrollment
164
Registered
2015-02-18
Start date
2015-01-06
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

Abdominal pain. epigastric pain

Interventions

Intervention 1: In intervention group we eliminate nitrous oxide gas from anesthesia drugs. Intervention 2: In control group the patients receive nitrous oxide gas as as a routin anesthesia practice.
Treatment - Drugs
In intervention group we eliminate nitrous oxide gas from anesthesia drugs.
In control group the patients receive nitrous oxide gas as as a routin anesthesia practice.

Sponsors

Research Committee of International Branch of Shiraz University of Medical Sciences
Lead Sponsor

Eligibility

Sex/Gender
All
Age
18 Years to 65 Years

Inclusion criteria

Inclusion criteria: Inclusion criteria: The 18-65 years - old patients scheduled for elective and minor eye, orthopedic or general surgeries which generally not exeed 45 minutes. Exclusion criteria: full stomach patients; emergency setting; trauma; morbid obesity (bmi more than 35); poor ventilation after laryngeal mask airway insertion; laparatomy; contraindication for nitrous oxide consumption; toothless patients; abdominal surgery; any uncontrolled mediical disease; extra dose of atracurium due to insufficient relaxation or prolongation of procedure

Exclusion criteria

Exclusion criteria:

Design outcomes

Primary

MeasureTime frame
Epigastric pain. Timepoint: one hr after operation. Method of measurement: subjective pain score.

Countries

Iran (Islamic Republic of)

Contacts

Public ContactKazem Samadi

Shiraz University of Medical Science

samadikazem@yahoo.com+98 71 3233 7636

Outcome results

None listed

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