Why the study?
Three anatomical landmarks are used to identify a suitable vertebral level for spinal anesthesia, but their reliability and accuracy compared to radiologic landmarks needed to be determined.
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Comparison
Tuffier line vs tenth rib line vs posterior superior iliac spine compared to radiologic landmark
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Anatomical landmarks inaccurately identify spinal levels versus radiology; leaves open whether imaging improves safety in routine practice.
Background: Three anatomical landmarks are used to identify a suitable vertebral level for spinal anesthesia: a) Tuffier line (TL), b) tenth rib line (TRL) and c) posterior superior iliac spine (PSIS). We aim to determine reliability and accuracy of these landmarks compared to radiologic landmark.
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Freda Richa (2023) studied this question.
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