Anatomical Variations of Corona Mortis in the Anterior Intrapelvic Approach: A Cadaveric Study. 2022

K Sambhav, and A K Nayyar, and A Elhence, and R Gupta, and S Ghatak
Dr Kumar Sambhav, Senior Resident, Department of Anatomy, All India Institute of Medical Sciences, Jodhpur, Rajasthan, India; E-mail: sambhav.occult@gmail.com.

Corona mortis (CMOR) is an anastomotic channel either arterial, venous or both connecting the obturator and external iliac systems excluding aberrant channels in the retropubic space. The goal of this study is to illustrate the type of CMOR via the Anterior Intrapelvic approach (AIP) which has not been studied in tandem. This descriptive observational study was performed in the Department of Anatomy, All India Institute of Medical Sciences, Jodhpur, Rajasthan, India from January 2018 to December 2020. It is a potential culprit for significant haemorrhage in scenarios of pelvic trauma or when sectioned accidentally, augmenting difficult haemostasis behind the superior pubic ramus. Previously reported to be exclusively arterial, the venous variant has now emerged as the more frequent anastomosis. AIP was performed on 31 adult human cadavers of 62 hemipelvises to record variations and statistical analysis of retropubic anastomosis with respect to gender, weight groups and side distribution was done. Corona Mortis was observed in 50(80.6%) hemipelvises. To ramify, venous CMOR and arterial CMOR were exclusively encountered in 25(40.3%) and 10(16.10%) hemipelvises respectively. Males recorded a higher prevalence of CMOR. Despite being a frequent anastomotic variant, it is a rare entity in textbooks. CMOR can potentially alter patient outcome and have serious implications in pelvic surgeries via AIP owing to its easier accessibility. Besides, venous CMOR being more common, a venous bleed is inherently more arduous to manage in the pelvis. A larger calibre, less frequent aberrant channel could also prove to be lethal in its injury. Hence, cadaveric simulation of the technique is paramount to master the technique and to mitigate catastrophic vascular events.

UI MeSH Term Description Entries
D007083 Iliac Artery Either of two large arteries originating from the abdominal aorta; they supply blood to the pelvis, abdominal wall and legs. Deep Circumflex Iliac Artery,Arteries, Iliac,Artery, Iliac,Iliac Arteries
D007194 India A country in southern Asia, bordering the Arabian Sea and the Bay of Bengal, between Burma and Pakistan. The capitol is New Delhi. Republic of India
D008297 Male Males
D010388 Pelvis The space or compartment surrounded by the pelvic girdle (bony pelvis). It is subdivided into the greater pelvis and LESSER PELVIS. The pelvic girdle is formed by the PELVIC BONES and SACRUM. Pelvic Region,Region, Pelvic
D002102 Cadaver A dead body, usually a human body. Corpse,Cadavers,Corpses
D006801 Humans Members of the species Homo sapiens. Homo sapiens,Man (Taxonomy),Human,Man, Modern,Modern Man
D000328 Adult A person having attained full growth or maturity. Adults are of 19 through 44 years of age. For a person between 19 and 24 years of age, YOUNG ADULT is available. Adults
D015995 Prevalence The total number of cases of a given disease in a specified population at a designated time. It is differentiated from INCIDENCE, which refers to the number of new cases in the population at a given time. Period Prevalence,Point Prevalence,Period Prevalences,Point Prevalences,Prevalence, Period,Prevalence, Point,Prevalences

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