The branching patterns of the arteries deriving from the embryonic aortic arches were investigated in 1,046 spontaneous chick hatchlings of White Leghorn. An incomplete ductus arteriosus (Botalli) was found on each side of every case observed. An unusual branching patterns were found in 14 hatchlings and were classifiable into the following 4 (B to E) types. Type A (Normal pattern): The aorta a...

In its simplest form, coarctation of the aorta (CoA) refers to congenital narrowing thoracic aorta. Usually, a significant pressure gradient between arms and legs is suggestive diagnosis. With advancement aortic imaging in our country many CoA patients are diagnosed at an adult age, but management still carries challenge. We reported case 30-year-old lady with aneurysm involving proximal left s...

Anomalous origin of left main coronary artery or right coronary artery from the aorta with subsequent coursing between the aorta and pulmonary trunk is rare and can be sometimes life threatening. After hypertrophic cardiomyopathy, coronary artery anomalies are the second most common cause of sudden cardiac deaths among young athletes. This is a case presentation of an anomalous origin of right ...

Isolated subclavian artery is a rare anomaly where the artery, instead of originating from aorta, connected to ipsilateral pulmonary via ductus arteriosus. Presentation varies asymptomatic vertebrobasilar insufficiency and claudication arm. About 100 odd cases were reported in literature. Some them underwent definitive surgical repair, ie, reimplantation others percutaneous closure patent arter...

Anomalous origin of the left coronary artery from the pulmonary artery has been surgically corrected by means of a technique that avoids direct suturing of the coronary artery itself. The anomalous left coronary artery is removed from the pulmonary artery with a cuff of pulmonary artery tissue about its orifice. In a fiveand-one-half-year-old patient the anomalous coronary artery was anastomose...

In OPCAB (off-pump coronary artery bypass) operations, development of cardiac arrest during the distal anastomosis to obtuse marginal coronary artery leads to significantly low blood pressure in the ascending aorta. Therefore, blowing of compressed air in high flow on not-slinged coronary artery may cause air mobilization from the coronary artery system into the ascending aorta that may result ...

Norepinephrine (NE) activates isolated coronary conduit arteries by stimulating Ca2+ uptake into the smooth muscle cells. Blockade of Ca2+ influx by removal of Ca2+ from the bathing medium or addition of 10 mM LaCl3 prevents the NE-induced contraction in the dog coronary artery but still allows NE to induce a rapid transient contraction in the rabbit aorta. Under these conditions, NE stimulates...

Fig. 1. Preoperative evaluation of the thoracic aortic aneurysm and the artery of Adamkiewicz using a 64-slice computed tomography. The anterior view of volume-rendered image with semitransparent aorta and skeletal system shows the artery of Adamkiewicz (arrow) originating from the left 9th intercostal artery (ICA 9). The heart and ascending aorta are electronically removed to show the artery o...

A modern hospital information system should offer intelligent choices when the user wants to select an anatomical location. For the measurement of intra-arterial blood pressure, for example, the primary choice should be like ABDOMINAL AORTA, RENAL ARTERY, THORACIC AORTA .... And only when the user chooses RENAL ARTERY an additional choice of LEFT/RIGHT is shown – not when he chooses ABDOMINAL A...

SUPERIOR MESENTERIC ARTERY SYNDROME AN UNUSUAL CAUSE OF DUODENAL OBSTRUCTION. (Abstract): Superior mesenteric artery (SMA) arising from aorta at the level of first lumbar vertebra usually takes an angular downward course from ventral surface of aorta. It is through this vascular angle that the 3rd part of duodenum passes at the level of 4th lumbar vertebra. Fat and lymphatics around SMA maintai...