STOPBANG As A Screening Tool for Obstructive Sleep Apnoea in Pregnancy

Status Completed

Clinical Trial Summary

This study evaluates the use of the STOPBANG questionnaire to predict whether a pregnant woman with class III obesity has obstructive sleep apnoea. All participants will have a STOPBANG score and modified STOPBANG score (substituting Epworth score > 10 with the tired item) calculated and then be tested with overnight pulse oximetry to see if they meet ODI criteria for obstructive sleep apnoea.

Clinical Trial Description

Obstructive sleep apnoea (OSA) is a condition in which the muscles and soft tissues of the throat collapse during sleep, resulting in them stopping breathing for a short period. It affects around 4% of all pregnant women and is more common in obese people. Pregnant women with untreated OSA are more likely to have pregnancy complications and are more likely to need a caesarean section. Babies born to mothers with untreated OSA are more likely to need neonatal treatment. If OSA is diagnosed and treated then these risks are reduced. In non-pregnant patients presenting for surgery, an screening tool called STOPBANG has been proven to be effective in identifying patients with OSA.

S: Do you Snore loudly? T: Do you often feel tired during daytime? O: Has anyone observed you stop breathing during your sleep? P: Do you have high blood pressure? B: Is your BMI >35 kg/m2? A: Are you >50 years old? N: Is your neck circumference >40cm? G: Is your gender male?

The investigators aim to assess whether STOPBANG can be used to identify OSA in obese pregnant women.

The aim is to recruit 100 pregnant women with a body mass index (BMI) ≥40 at Sunderland Royal Hospital. Data will be collected when they attend for their anomaly scan or glucose tolerance test (during the second trimester of pregnancy). Participants will complete an Epworth sleepiness scale questionnaire and the STOP questions before having their BMI, age and neck circumference documented. A STOPBANG score and Modified STOPBANG score (substitute tired question with Epworth >10) will be calculated. All participants will then take a Rad8 pulse oximeter home to record their overnight pulse rate and oxygen saturations. The oximetry results will be analysed by a respiratory physiologist and the oxygen desaturation index will be calculated. A statistician will analyse the results to determine if there is a relationship between STOPBANG score or Modified STOPBANG score and likelihood of the pregnant women having OSA. In a secondary analysis we will then see if any individual elements of STOPBANG can be used to predict OSA. ;

Study Design

Related Conditions & MeSH terms

Clinical Trial Details

NCT number	NCT02542488
Study type	Observational
Source	City Hospitals Sunderland NHS Foundation Trust
Contact
Status	Completed
Phase
Start date	February 2, 2016
Completion date	March 27, 2018

View Details

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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.