Our aim is to investigate whether a novel landmark, the groove between the buttocks or the intergluteal cleft, can facilitate the identification of the neuraxial midline in obstetric patients when compared to ultrasound as the reference standard for the determination of this midline
Determine if the intergluteal cleft, when compared to ultrasound as the reference standard, can be used to identify the neuraxial midline in obstetric patients Difference in horizontal distance between the vertical lines of the intergluteal cleft and the neuraxial midline, the latter measured with ultrasound
Study Type
OBSERVATIONAL
Enrollment
99
Marking of intersection between inferior aspect of the intergluteal cleft and the horizontal intercristal line
Marking of intersection between the neuraxial midline, as established with the transverse spinous process view on ultrasound, and the horizontal intercristal line
The horizontal distance between these two vertical marks will be measured at the level of the intercristal line
Guy's Hospital, Great Maze Pond
London, United Kingdom
RECRUITINGHorizontal distance between intergluteal cleft and neuraxial midline
One horizontal distance and hence one primary outcome
Time frame: 12 months
Difference in horizontal distance stratified by body mass index
Variation for BMI and recorded data
Time frame: 12 months
Difference in horizontal distance stratified by presence of pre-eclampsia
Variation for pre-ecalmpsia and recorded data
Time frame: 12 months
Difference in horizontal distance stratified by presence of pregnancy induced hypertension
Variation for pregnancy induced hypertension a and recorded data
Time frame: 12 months
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