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Clinical Trial Summary

A feasibility study into the exploration of possible mechanisms underlying inappropriate sinus tachycardia (IST) syndrome in pregnancy.


Clinical Trial Description

This is a non-interventional, physiological study which will explore the feasibility of examining autonomic function and related haemodynamic variables in pregnant women with and without inappropriate sinus tachycardia, with the aim of providing scope for future research.

Sinus tachycardia (normal heart rhythm but fast heart rate) is common and usually related to an obvious cause (e.g. exercise such a running or cycling) and doesn't cause any untoward symptoms. In rare cases however, sinus tachycardia can occur without an obvious cause (i.e. it is inappropriate to the situation) and can cause distressing symptoms such as palpitations, dizziness and breathlessness at rest or with minimal exertion. This syndrome of inappropriate sinus tachycardia is poorly understood and can be difficult to manage; especially when the affected individual is pregnant. In order to understand the condition better and improve care pathways we aim to measure various features of the cardiovascular system in pregnant women with and without IST. ;


Study Design


Related Conditions & MeSH terms


NCT number NCT03317249
Study type Observational
Source Cambridge University Hospitals NHS Foundation Trust
Contact Mark Belham
Phone 01223 349154
Email mark.belham@addenbrookes.nhs.uk
Status Recruiting
Phase
Start date October 6, 2017
Completion date October 6, 2020

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