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An anatomical study of variations of sacral hiatus in sacra of north Indian origin and its clinical significance / Estudio anatómico de las variaciones del hiato sacro en sacros del norte de la India y su significancia clínica
Singh, M; Mahajan, A.
  • Singh, M; Sri Guru Ram Das Institute of Medical Sciences and Research Vallah. Department of Anatomy. Amritsar. IN
  • Mahajan, A; Sri Guru Ram Das Institute of Medical Sciences and Research Vallah. Department of Anatomy. Amritsar. IN
Int. j. morphol ; 31(1): 110-114, mar. 2013. ilus
Article in English | LILACS | ID: lil-676142
ABSTRACT
Sacrum is formed by the fusion of five sacral vertebrae and forms the lower part of vertebral column. The opening present at the lower end of sacral canal is known as sacral hiatus. Anatomical variations in morphology and morphometry of sacral hiatus are important clinically as well as surgically. 159 dry clean human Sacra were taken from Department of Anatomy, Sri Guru Ram Das Institute of Medical Sciences and Research Vallah (Amritsar). Various shapes of sacral hiatus were observed which included inverted U (42.95%), inverted V (27.51%), irregular (16.10%), dumbbell (11.40%) and bifid (2.01%). The apex of sacral hiatus was commonly found at the level of 4th sacral vertebra in 56.36%. The mean length of sacral hiatus was 22.69 mm. The mean anteroposterior diameter of sacral canal at the apex of sacral hiatus was 6.49 mm. Narrowing of sacral canal at the apex of sacral hiatus (diameter less than 3 mm) was observed to be high (5.36%). The knowledge of anatomical variations of dimensions of sacral hiatus is important while doing caudal epidural block and it may help to improve its success rate.
RESUMEN
El sacro está conformado por la fusión de las cinco vértebras sacras, y forma la parte inferior de la columna vertebral. La abertura presente en el extremo inferior del canal sacro se conoce como hiato sacro. Las variaciones anatómicas en la morfología y la morfometría del hiato sacro son importantes clínica y quirúrgicamente. Fueron utilizados 159 sacros humanos, limpios y secos, del Departamento de Anatomía, Sri Guru Ram Das Instituto de Ciencias Médicas e Investigación Vallah (Amritsar). Fueron observadas varias formas de hiato sacro U invertida (42,95%), V invertida (27,51%), irregular (16,10%), de pesa (11,40%) y bífida (2,01%). El ápice del hiato sacro se encuentra comúnmente a nivel de la cuarta vértebra sacra en el 56,36%. La longitud media de hiato sacro fue 22,69 mm. El diámetro medio anteroposterior del canal sacro en el ápice del hiato sacro fue 6,49 mm. El estrechamiento del canal sacro en el ápice del hiato sacro (diámetro inferior a 3 mm) fue alto (5,36%). El conocimiento de las variaciones anatómicas de las dimensiones del hiato sacro es importante para el bloqueo epidural caudal y puede ayudar a mejorar su tasa de éxito.
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Full text: Available Index: LILACS (Americas) Main subject: Sacrum / Anatomic Variation Limits: Humans Country/Region as subject: Asia Language: English Journal: Int. j. morphol Journal subject: Anatomy Year: 2013 Type: Article Affiliation country: India Institution/Affiliation country: Sri Guru Ram Das Institute of Medical Sciences and Research Vallah/IN

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Full text: Available Index: LILACS (Americas) Main subject: Sacrum / Anatomic Variation Limits: Humans Country/Region as subject: Asia Language: English Journal: Int. j. morphol Journal subject: Anatomy Year: 2013 Type: Article Affiliation country: India Institution/Affiliation country: Sri Guru Ram Das Institute of Medical Sciences and Research Vallah/IN