abdominal wall reconstruction

Question 1

vascular zones of abdomen

Answer 1

1 central
2 infra umbilical
3 lateral

Question 2

gastroschisis vs omphalocele

Answer 2

gastroschisis: midline umbilical defect with no soft tissue coverage due to failure of midline mesoderm
omphalocele: periumbilical defect with sac covering the abdominal viscera

Question 3

beckwith-weidman syndrome

Answer 3

sporadic, chromosome 11
increased tissue growth (large tongue, gigantism, hemihypetrophy), ear pits, neonatal hypoglycemia
increased cancer risk
midline abdominal defects (diastasic recti, umbilical hernia, omphalocele)

Question 4

risk factors for recurrent ventral hernia

Answer 4

suture repair without mesh
infection
prostates or abdominal aortic aneurysm
NOT size of hernia

Question 5

ventral hernia working group grading system

Answer 5

grade I: no prior history of infection
grade iI: co-morbidities like diabetes, COPD, immunocompromised, obesity, tobacco use
grade III: potentially contaminated with previous infection, ostomy, known GI violation during procedure
grade IV: ongoing infection such as infected mesh or wound dehiscence

Question 6

surgisis

Answer 6

submucosal intestinal non-cross linked mesh

Question 7

surgimend

Answer 7

bovide fetal dermis non-crosslinked mesh

Question 8

vertias, periguard, tutopatch

Answer 8

bovine pericardium non-crosslinked