Diaphragmatic Hernias and Persistent Right Aortic Arch

Question 1

what is the most common organ to herniate?

Answer 1

liver

Question 2

what makes a traumatic diaphragmatic hernia acute?

Answer 2

if it is diagnosed less than 2 weeks following a trauma

Question 3

what is seen on a lateral radiograph to indicate a diaphragmatic hernia?

Answer 3

loss of diaphragm definition
abdominal organs seen within thoracic cavity
cardiac silhouette obscured or displaced
cranial positioning of stomach/duodenum

Question 4

what are the goals of surgery on a traumatic diaphragmatic hernia?

Answer 4

reduced herniated organs
repair hernia defect
assess organs and address any damage

Question 5

what are possible postop complications of repairing a traumatic diaphragmatic hernia?

Answer 5

reexpansion pulmonary edema
pneumothorax

Question 6

what is a congenital peritoneopericardial diaphragmatic hernia?

Answer 6

herniation of abdominal organs through diaphragm into pericardial sac

Question 7

who is at increased risk for congenital peritoneopericardial diaphragmatic hernias?

Answer 7

weimaraners
long-haired cats

Question 8

what can be seen on ECG with a congenital peritoneopericardial diaphragmatic hernia?

Answer 8

secondary to pericardial effusion: low amplitude complexes, electrical alternans
axis deviation from cardiac displacement

Question 9

which animals have increased risk of a persistent right aortic arch/

Answer 9

german shepherds, irish setters, persians, siamese
pure breeds>mixed breeds
maybe genetic

Question 10

how is a persistent right aortic arch treated?

Answer 10

surgical ligation/transection of ligamentum arteriosum

Question 11

what is the most common issue following treatment of a persistent right aortic arch?

Answer 11

persistent regurgitation