Hernia Flashcards
Common contents of umbilical hernia?
Extraperitoneal fat or omentum.
Even though hernial contents are often strangulated, bowel is not obstructed or damaged.
Femoral hernias commoner in which gender?
Females - 70%
Why is femoral hernia commoner in females?
Pelvis is wider and canal is larger
Does femoral hernia have a cough impulse?
No
What makes femoral hernia unique from inguinal hernia?
Not reducible
High risk of strangulation due to narrow neck
Usually no cough impulse
3 approaches for open repair of femoral hernia?
Infrainguinal
Trans-inguinal
Supra-inguinal - for suspected strangulation
Prevalence for inguinal hernia?
Male x10
2/3 are indirect
Peak at 5 years [indirect], 70-80 years direct
Obesity inversely related
Wrong collagen metabolism
What does incarcerated inguinal hernia present?
Pain
Abdominal distension
N/V
Complications of inguinal hernia pathway
Reducible -> Irreducible/Incarcerated -> Obstructed -> strangulated
What does strangulated hernia cause
Ischemic bowel!
4-6 hours to gangrene
In what hernia will there be no signs of IO even with strangulation?
Richter’s hernia. Hernia only involves part of bowel rather than entire circumference
Imaging for inguinal hernia
Dynamic US with Valsalva
AXR (supine) if suspected IO 2! to IH
Why use Valsalva in US for inguinal hernia?
To accentuate small hernia
When do u use imaging for inguinal hernia?
When clinical findings is inconclusive
Which hernia goes through Hasselbach?
Direct inguinal hernia