The Effect of Entonox on Stages of Labor in Nulliparous Women

Department of Medical Services Ministry of Public Health of Thailand80 enrolled

Overview

This Trial study about The effect of Entonox associated with duration of labor in Active phase and efficacy for relief pain of labor .So investigators start to study up to 14 months

Investigators will enroll participants in 2 groups by randomized . First group will inhale Entonox and the second group not receive any gas . The participants in Entonox group will inhale gas in 4-5 times for each uterine contraction and Nurse will measure blood pressure , O2 saturation ,pain score before use gas . The outcome,investigators study about Apgar score , duration of labor , pain relief in both group,route of delivery and estimated blood loss

Study Type

INTERVENTIONAL

Allocation

RANDOMIZED

Purpose

TREATMENT

Masking

SINGLE

Enrollment

Conditions

ENTONOX Nulliparous Duration of Labor

Interventions

EntonoxDRUG

Entonox gas with mouth piece

Not receive EntonoxDRUG

Not receive any gas

Eligibility

Sex: FEMALEMin age: 18 YearsHealthy volunteers:

Medical Language ↔ Plain English

Inclusion Criteria: * Nulliparity * Age 18 years old or more * Gestational age 37-40+6 wks * Singleton * Cephalic presentation * Cervical dilatation \> 5 cm * Estimated fetal weight 2,500-4,000 gm Exclusion Criteria: * Estimated fetal weight more than 4,000 gm * High risk pregnancy (Hypertension in pregnancy ,Endocrine disorder , autoimmune disorder , epilsepsy etc) * SpO2 \< 95 % * Contraindication for Entonox usage ( Severe head injury , asthma , Pulmonary disease,Otitis media ) * Drug allergy : Metoclopramide , Dimenhydrinate , Pethidine ,Entonox

Locations (1)

Rajavithi Hospital

Bangkok, Bangkok, Thailand

Outcomes

Primary Outcomes

Effect of Entonox for duration of labor

Study about duration of labor after receive Entonox in active phase of labor

Time frame: up to 14 months

Secondary Outcomes

Rate of patients who inhaled Entonox for pain relieve

% of patients relieve pain after inhaled Entonox , Investigators measure by visual analogue scale

Time frame: up to 14 months

Data from ClinicalTrials.gov

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