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
2 options for surgical hernia repair?
Totally Extra-peritoneal repair = TAP
Trans-abdominal preperitoneal repair = TAPP
Early complications of hernia op?
ARU
Hematoma
Seromas
Nerve injury
Late complications of hernia op?
Chronic post-op groin pain
Vas Deferens injury - infertility
Recurrence 5%
Ischaemic orchitis
Testicular atrophy
Meshoma
Where is McBurney’s point
2/3 the distance from ASIS to pubic symphysis
Commonest hernia in females?
Direct inguinal hernia
Name of simultaneously direct and indirect hernias?
Pantaloon hernias
What hernia contains meckel’s diverticulum?
Littres hernia
What does Howship-Rhomberg sign show?
Obturator nerve irritation causing inner thigh pain that can extend to knee on internal rotation of hip.
OBTURATOR HERNIA !!
What is Spigelian Hernia?
Primary ventral hernias secondary to a defect in the Spigelian aponeurosis (fascia) that is comprised of the transversus abdominis and internal oblique aponeuroses.
Borders of the Spigelian aponeurosis are the rectus muscle medially and the linea semilunaris laterally