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- Title
Morphological and Morphometrical Study of Sacral Hiatus of Human Sacrum.
- Authors
Singh, Archana; Gupta, Rakesh; Singh, Arun
- Abstract
Introduction: For successful epidural caudal anesthesia it is very important to know the anatomy of sacral hiatus. Caudal opening of sacral canal is sacral hiatus (SH).Methods: Eleven direct morphometric measurements were done on sacral vertebrae and hiatus of 56 adult dry human sacral bones of unknown age and gender. Morphological features shape, level of apex and base of SH were noted. Data were expressed as mean (SD), analysis were performed using SPSS. Results: Most common shape of SH was inverted 'U' in 34 (60.7%) sacrum. In 28 (50%) sacra apex was present at the level of S4. The level of base of sacral hiatus- in 46 (82.1%) sacra it was at S5 vertebrae. The length of SH was 21.73 ± 8.92mm, width was11.59 ± 3.25mm and the depth was 5.02 ± 2.09 mm. Distance from SH apex to S2 level was 30.30 ± 11.01 mm, from SH base to S2 level was 52.03 ± 6.54 mm and between upper border S1 and sacral apex was 59.58 ± 14.66 mm. The distance between the two superolateral crest was 61.16 ± 5.42 mm, between right superolateral crest and apex of SH was 57.54 ± 10.02 mm, the distance between left superolateral crest and apex of SH was 58.32 ± 10.59 mm, between the right superolateral crest and sacral apex was 86.22 ± 9.52 mm and between left superolateral crest and apex of sacral apex was 87.19 ± 9.85 mm. Conclusion: The given landmark in this study results in the formation of equilateral triangle, which can provide the practical benefit to the clinician for localization of SH in CEB.
- Subjects
SACRUM; MORPHOMETRICS; EPIDURAL space; ANATOMY
- Publication
National Journal of Integrated Research in Medicine, 2018, Vol 9, Issue 4, p65
- ISSN
2230-9969
- Publication type
Article