splenectomy Flashcards

1
Q

what percent of cardiac ouput filters through the spleen?

A

25%

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2
Q

tears of the ……… can result in massive hemmorrhage or tear of the splenic capsule

A

short gastric arteries

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3
Q

these vessel may be ligated with no impact on organ viability

A

short gastric arteries

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4
Q

this ligament poses a risk of tearing the splenic capsule during gastric surgeries

A

splenocolic ligament

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5
Q

structures surrounding the spleen

A

stomach
diaphragm
splenic flexure of colon

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6
Q

part of the spleen can be resected due to its

A

segmental internal vasculature

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7
Q

the spleen produces …….. that aids in opsonization

A

IgG, IgM

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8
Q

the spleen is vital to preventing infections from

A

encapsulated bacteria

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9
Q

splenomegaly implies

A

advanced/late stage disease
the spleen must be quite large to be palpable

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10
Q

the spleen produces …….. which accelerates opsonization

A

tuftsin

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11
Q

major pathogens that pose risk to asplenic patients

A

Hib
N. meningitides
S. pneumo

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12
Q

vaccination should be given…….prior to planned splenectomy

A

2 weeks

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13
Q

asplenic patients should receive vaccinations every….

A

5 years

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14
Q

asplenic patients should carry an Rx for

A

prophylactic antibiotics to be taken at symptom onset

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15
Q

most critical for preventing OPSI in asplenic patients

A

patient education

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16
Q

function of the spleen

A

filters blood
removes senescent RBCs

17
Q

asplenic patients are

A

immunologically impaired
do not clear bacteria well
more susceptible to DVT

18
Q

organisms not associated with OPSI

A

E. coli
S. aureus

19
Q

85% of splenic trauma bleeding

w

A

will self resolve

20
Q

if patient is hemodynamically unstable,

A

proceed to splenectomy

21
Q

indications for splenectomy

A

multiple organs injured
in shock
acidotic

22
Q

splenic embolization is an option if

A

the patient is stable

23
Q

if the patient is already in a conventional OR for massive hemorrhage

A

embolization is not primary option

24
Q

if possible, avoid splenectomy prior to …. years of age

25
splenectomy used to be more common in cases of ITP, TTP, but has since been replaced with
plasmapharesis
26
is sickle cell an indication for splenectomy?
no, they will auto infarct
27
populations most susceptible to OSPI
elderly and very young
28
what is critical in a blunt trauma situation to LUQ?
time and fluid resuscitation
29
in a post-splenectomy patient, what structures may be present that can protect the immune status?
accesory spleens | can adversely effect ITP, TTP patients
30
in a post-splenectomy patient, what structures may be present that can protect the immune status?
accesory spleens | can adversely effect ITP, TTP patients
31
the main reason for splenectomy in myeloproliferative disorders is
QOL spleen becomes an uncomfortable space occupying lesion