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SAS Journal of Surgery | Volume-5 | Issue-03
Straight versus Flexed Back: Does it Matter in Spinal Anaesthesia
Shailendra Singh, Ruchi Tandon, Shikha Mehrotra, K. K. Arora
Published: March 30, 2019 |
155
100
DOI: 10.21276/sasjs.2019.5.3.4
Pages: 171-174
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Abstract
Introduction: The subarachnoid block is performed in sitting or lateral position with the flexion of patients back.
Flexed back for spinal anaesthesia is considered facilitatory as it helps in widening the interspinous space. Aims &
objectives: The aim of our study was to find out the degree of procedural success and patient preference when
subarachnoid block was performed in suboptimal flexion of the back. Methods: 120parturients between 22-40 yrs of
ASA grade 1& 2 undergoing LSCS were randomized into 4 groups of 30 each. Observations and results: Overall
success rates of subarachnoid needle placement were 100% in all the groups. No patient in any of the groups required
needle redirection because of lack or inadequate flow of CSF. All redirections were because of repeated bony contacts.
Redirections required at 1st attempt were noted in 9, 13, 21 and 11 patients among the LS, LF, SS & SF groups
respectively. The rest of patients needed them at 2nd attempt. Conclusion: Lumbar puncture can be performed with
equal ease in sitting patient regardless of the posture of back being in a flexed or a straight posture provided that the
landmarks are clear