Aortic Dissection Type A and B By: Danielle Tardiff 7.3
DescriptionAortic dissection is when a tear in the innerwall of the aorta causes blood to ﬂowbetween the layers of the aorta and forcesthe layers apart. Aortic dissection type A iswhere the problem starts ascending(ﬁrst)part of the aorta. Aortic dissection type B iswhere the problem starts at thedescending(end) part of the aorta.
CausesSome of the causes are:If you had chest traumaIf you have Turner SyndromeIf you have had open heart surgeryIf you have Marfan SyndromeIf you need aortic valve replacementIf you have SyphilisIf you have Ehlers-Danlos syndrome
Signs and SymptomsSome of the symptoms are:High blood pressureArteriosclerotic vascular diseaseSudden pain in the back, chest, neck or jawDizzyness
StatisticsAortic dissection occurs in approximately 2 out ofevery 10,000 people. It can affect anyone, but ismost often seen in men aged 40 to 70.Male to female ratio is 2:1.Half of the females during pregnancy can get aorticdissection.33% of patients left untreated die within the ﬁrst 24hours and 50% die within 48 hours.
TreatmentsSome of the treatments that your physician canprescribe to you are:Medical managementInterventional catheterizationCardiovascular surgery
PreventionsMedication such as angiotensin receptorblockers, ACE inhibitors, and beta blockers mayhelp reduce the chance of aortic dissection. Youshould take safety precautions injuries, whichcould cause aortic dissection.
Interesting Facts Many cases of aortic dissection can not be prevented. The DeBakey classiﬁcation divides dissections into 3 types, as follows:• Type I involves the ascending aorta, aortic arch, and descending aorta• Type II is conﬁned to the ascending aorta• Type III is conﬁned to the descending aorta distal to the left subclavian artery.