An Investigative Study of Hepatic Arterial Anomalies in a West Indian Population

Table 3

A comparison of hepatic artery variations in the West Indies and Africa.

Type	Michels’ description	West Indies	East-Central Africa [20]		Kenya [15]		Ethiopia [16]
1	Normal anatomy	112 (54.6%)	N/A	—	74 (72.5%)	0.0025	N/A	—
2	Replaced left hepatic artery from the left gastric artery	30 (14.6%)	N/A	—	2 (1.96%)	0.0006	12 (10.9%)	0.3538
3	Replaced right hepatic artery from the superior mesenteric artery	37 (18.1%)	N/A	—	0 (0.00%)	—	9 (8.18%)	0.0181
4	Replaced right hepatic artery and left hepatic artery	2 (0.98%)	N/A	—	0 (0.00%)	—	N/A	—
5	Accessory left hepatic artery	9 (4.40%)	N/A	—	10 (9.80%)	0.0637	14 (12.7%)	0.0067
6	Accessory right hepatic artery	5 (2.40%)	N/A	—	11 (10.8%)	0.0019	10 (9.09%)	0.0082
7	Accessory right and left hepatic arteries	2 (0.98%)	N/A	—	0 (0.00%)	—	0 (0.00%)	—
8	Replaced right hepatic artery and accessory left hepatic artery OR replaced left hepatic artery and accessory right hepatic artery	3 (1.50%)	N/A	—	0 (0.00%)	—	N/A	—
9	Common hepatic artery from the superior mesenteric artery	5 (2.40%)	8 (5%)	0.2236	5 (4.90%)	0.2522	0 (0.00%)	—
10	Common hepatic artery from the left gastric artery	0 (0.00%)	N/A	—	0 (0.00%)	—	0 (0.00%)	—
	Not classified OR does not fit Michels’ description	0	160	—	0 (0.00%)	—	N/A	—
Total		205	168	—	102		110

N/A = data not available and/or poorly described, not allowing interpretation using Michels’ Classification. Data were taken from Ibingira CBR. Gross Anatomical Variations And Congenital Anomalies Of Surgical Importance In Hepatobiliary Surgery In Uganda. East And Central African Journal Of Surgery. 2006; 12 (1): 93–98. Tharao MK, Saidi H, Kitunguu P, Ogengo AJ. Variant Anatomy of the Hepatic Artery in Kenyans. Eur J Anat. 2007; 11 (3): 155–161. Futara G, Ali A, Kinfu Y. Variations of the hepatic and cystic arteries among Ethiopians. Ethiop J Med. 2001; 39 (2):133–142.