Ultrasound Assessment of Metoclopramide Effect on Gastric Volume in

Status Recruiting

Clinical Trial Summary

the risk of aspiration pneumonitis during cesarean sections has significantly decreased. Nevertheless, precaution against gastric aspiration is still vital in patients in whom regional anesthesia contraindicated or in whom general anesthesia has to be administered (for example; during emergency cesarean delivery). The administration of intravenous anesthetics reduces the level of consciousness of a patient that compromises the protective reflexes of the upper airways. Moreover, a high level of sedation also reduces the tone of the LES (lower oesophageal sphincter). Both these situations predispose the risk of aspiration pneumonia in patients awaiting surgical interventions in supine position under general anesthesia

Clinical Trial Description

Since regional anesthesia has largely replaced general anesthesia, the risk of aspiration pneumonitis during cesarean sections has significantly decreased. Nevertheless, precaution against gastric aspiration is still vital in patients in whom regional anesthesia contraindicated or in whom general anesthesia has to be administered (for example; during emergency cesarean delivery). The administration of intravenous anesthetics reduces the level of consciousness of a patient that compromises the protective reflexes of the upper airways. Moreover, a high level of sedation also reduces the tone of the LES (lower oesophageal sphincter). Both these situations predispose the risk of aspiration pneumonia in patients awaiting surgical interventions in supine position under general anesthesia .

The risk of aspiration increases in outpatients if the volume of the gastric contents increases beyond 25 ml, and its pH falls below 2.5. However, the risk of aspiration significantly decreases in "fasted" outpatients. Since most patients awaiting elective surgery remains fasted, routine prophylaxis for preventing aspiration pneumonitis not recommended anymore. Studies suggest that metoclopramide, in combination with H2-receptor antagonists (such as cimetidine), significantly reduces the risk of postoperative emesis and aspiration pneumonitis. However, the time available for administering oral prophylaxis with such anti-emetic and anti-histaminic is too short for these medications to be effective ;

Study Design

Related Conditions & MeSH terms

Clinical Trial Details

NCT number	NCT04157998
Study type	Interventional
Source	Assiut University
Contact
Status	Recruiting
Phase	N/A
Start date	November 1, 2019
Completion date	June 1, 2020

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Clinical trials are conducted in a series of steps, called phases - each phase is designed to answer a separate research question.

Phase 1: Researchers test a new drug or treatment in a small group of people for the first time to evaluate its safety, determine a safe dosage range, and identify side effects.
Phase 2: The drug or treatment is given to a larger group of people to see if it is effective and to further evaluate its safety.
Phase 3: The drug or treatment is given to large groups of people to confirm its effectiveness, monitor side effects, compare it to commonly used treatments, and collect information that will allow the drug or treatment to be used safely.
Phase 4: Studies are done after the drug or treatment has been marketed to gather information on the drug's effect in various populations and any side effects associated with long-term use.

Ultrasound Assessment of Metoclopramide Effect on Gastric Volume in Cesarean Section

Clinical Trial Summary

Clinical Trial Description

Study Design

Related Conditions & MeSH terms