2016-11-03T03-51-08Z
Source: National Journal of Integrated Research in Medicine
Satish M Patel*, Sanjay K Vikani**.
Background & objectives: The opening at the inferior end of sacral canal is known as sacral hiatus.It formed due to the failure of fusion of laminae of the fifth (occasionally fourth) sacral vertebra. Sacrum is one of the bones which exhibit variations and the variation of sacral hiatus is of great clinical significance. Present study determined the landmarks for caudal epidural block (CEB) after morphometric measurements of the sacral hiatus on dry sacra bones .Methods: 120 sacral bones are used for the study. Anatomical measurements were measured by using Vernier caliper accuracy to 0.1mm. Results: Agenesis of sacral hiatus was detected in two sacral bones. Various shapes of sacral hiatus were observed which included inverted U (31%), inverted V (25.8%), irregular (20.6%), Elongated (17.2%) and dumbbell (5%). Apex of sacral hiatus was commonly found at the level of 4th sacral vertebra in 50.8%. The distance between the two superolateral sacral crests and the distance between the apex of sacral hiatus and the right and left super lateral crests were 69.5 (5.8) mm, 61.4 (11.2) mm, 57.4 (9.7) mm respectively, on average. The mean, mode, SD is calculated for all the measurements. Interpretation & conclusion: The sacral hiatus has anatomic variations. Understanding of these variations may improve the reliability of, caudal epidural block (CEB). [Satish P NJIRM 2016; 7(5):69-72]
http://ift.tt/2fycpvZ
Πέμπτη 3 Νοεμβρίου 2016
A Morphological Study Of Sacral Hiatus In Dry Human Sacra And Its Clinical Importance
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