Gastro internal Flashcards
risk factors for Chron diesease
risk factors of UC
also protective
Chron’s
* Smoking (protective in UC)
* 1st related family member
* OCP- high risk
* malnutrition
UC
* smoking protect
* apendectomy protect
Both protective
* Breastfeeding
both risk
* Enteric inf. in 1st year of life
Chron’s disease:
which place is highly invovle in the disease and whice place is spare?
Terminal ilium- most common (70%)
Spare- Rectal
Cobblestone + creeping fat are both chracteristcs of
Chron’s disease
What we will see on biopsy of Chron disease?
transmural Non-ceasting granulomas with lymphoctes infiltrates
Chron disease
main areas of fistula?
- bladder (enterovesicle)
- Peri-anal
- Abdominal
Ulcertive colitis will always start in which location?
Rectum- and then proceed proximal
involve the Colon only
Which IBD is more common to see peri-anal disease?
Chron- 1/3 of pt
Which layers of the colon are involve in UC?
mucosa + sub-mucosa
What are the main skin menefistation of UC?
- Pyoderma gangrenosum- deep necrotic ulcer
Which IBD is associted with Biliary stones
Chron disease
Which IBD is more associated with PSC (primary sclerosing cholangitis)
UC
Which kinds to kidney stones can be seen in a pt with chron’s disease
CaOXalate (after jujonectomy)
Chrons disease
Which type of Extra-GI menefication are in correlation to the severity of the disease
- Arythema nodosum
- Peripharal arthritis
- Episcleritis- eye burning sensation
what is the main skin menefistation of Chrons
- Arythema nodosum
can be also seen in UC
Which type of seronegetive disease is can be ssin in UC and CD (more in chrons )
Ankylosing spondylitis
Which type of arthritis can be seen in chrons disease
Migratory polyartiritihs
mainly of large joints
Which type of medication use in IBD can cause pancreatitis?
mp-6
ASA-5
where in the biliary tree Primary sclerosing cholangitis mainly damage?
intra + Extra biliary pathways
what is the definitive Tx for PSC?
liver transplant
how many pt with PSC will develop IBD (mainly UC) in some point of there life?
around 50-70%
but only 5% with UC will develop PSC
what is the Gold standart for Dx PSC?
ERCP
BUT beacuse MRCP is more sensetive, specifc and safe- that will be the first dx test
today ERCP- for Dgx and Tx, today save for mainly Tx things- like stent insertion
Tx for PSC if polyps are found in the gallbladder?
כריתת כיס מרה
Which type of test are helping in distinguish IBD to IBS
Lactrofertin and Calprotectin in stool
Lactropertin- more sensetive for detect inflammation in the intestine
and the level is correlate to the histological inflammation
Which type of cancer is a/w increase risk in pt taking AZA (purine analogs)- MP6, AZA
NHL
Anti- TNF in treatment of IBD is a/w increase risk to which type of cancer
melanoma + non melanoma
Tx for easy-mild UC disease
for remission and maintanance?
5-ASA (salazine suffix)
False / True
Steroids have part in IBD for remmisiona and maintanance
FALSE
Only in remission
Azathioporine in MP-6 are use in IBD for which stage of treatment
what is a major cons and serious side effect
for induction and maintance
cons- respond takes time ~ 4-6 months until reasults
S.Effect:
* BM suppresion- mainly meyoilpania
* Pancreatitis
* Hepatotoxicity
* High risk for NHL + non melanoma
Combinaiton of Purine analogs (6-MP + Azathioporine) with which types of medication can cause severe side effects of purine analogs?
Xhantine oxidase inhibitors- give in GOUT = Alloperinol
must adjust and lower the dose of the purines analog if using toghther.
Side effect in the GI of MTX
Apthous Somatitis
Which medication can be use for severe refactory UC which resistant to biology and steroids Tx?
Cyclosporine
for induction
watch for hyperkalemia, AKI, infections
Which anti TNF is for Chrons
which type for UC
and which type does not fit IBD at all?
For chrons- Certolizumab
for UC- Golimumab
all SC except Ifliximab (IV)
**ETanerecpt- not good for IBD (only SpA and RA) **
Major side effect under ani-TNF
- Creation of Ab (more in ifliximab)- not nessecerly C/I
- Reactivation of TB and HBV- must chech prior start
- Risk for Melanoma and non-melanoma
- Drug induce SLE
What is the major advantage using Vedolizumab for IBD
Selective immunosupressive for intestine w/o damage in the systemic immunity
could be use as first line or after Anti-TNF failure- for UC and CD
עושה וודו בבטן
Which medication can be use in mild-severe IBD **mainly if ** psoriatic arthritis is present
Ustekinunab
anti-IL12/23
Which test we will must do prior the Tx in biologic medications
TB > 5mm + HBV
natalizumab- JC virus
Tofacitinib- immune for Shingrix (varicella zoster)
in all- pervner 13»_space; pneumovax 23
Which types of Abx are used in IBD, for which conditions in CD vs UC
Flueroquinolone (Ciprofloxacin) + Metronidazole (Flagyl)
UC- Pouchitis (complication of IPAA) only!
CD- in fistula disease
ileal pouch–anal anastomosis (IPAA) is a surgical procedure that is used to restore gastrointestinal continuity after surgical removal of the colon and rectum
line of Tx in easy-mild Ulcertive colitis
and what if that mild-severe UC?
for easy-mild UC
5-ASA (PR/PO) > local steorids (budosemide)»_space; systemic steroids»_space; biology with / not purines analog or MTX»_space; Tofacitinib (Jak)
For mild to severe UC
start from Systemic steorids»_space; biology with / not purines analog or MTX»_space; Tofacitinib (Jak)»_space; Cyclosporin IV
Rember- Cyclosporine only for refactory severe UC
5-ASA- only in easy UC
When in Chrons disease we will never give Steroids
Fistula
What is the most final line in Chron disease Tx?
intenstine rest + TPN
What is consider a rescue therapy in severe UC prior Colectomy?
Infliximab + Cyclosporin
What is the Surgery of choice in UC?
IPPA- keep the anal spincter
30-50% will have complication
The ileal pouch–anal anastomosis (IPAA) is a surgical procedure that is used to restore gastrointestinal continuity after surgical removal of the colon and rectum
What is pouchitis?
Complication of IPAA
עלייה בתדירות היציאה, צואה מימית, דלף לילי, חולשה וחום
ביופסיה תעזור לזהות האם מדובר בקרהון חבוי
Main C/I for IPAA
Chrons disease
Which medications in IBD are C/I
MTX
Tocacitinib (anti-JAK)
Abx: Metronidazol (1st trimester) flouroquinolones
What is the increase risk for Colorectal cancer in IBD
1.5-2 times fold
When we will screen IBD pt for colonrectal cancer
- 8-10 years after onset in pt with more then** 1/3 colon involve**
- 12-15 years from onset in pt with proctosigmoiditis
colonoscopy every 1-2 years for pt with chronic colitis
What is the managment of finding in colonoscopy in chrons?
for:
polyp
Adenmoa low grade
adenoma high grade
- polyp- endoscopial removal
- Adenmoa low grade- coloctemoy
- adenoma high grade- colectomy in UC, colectomy / local inscion in CD
Which medication can cause Drug induce colitis (which can be confusing with IBD)
Immune checkpint inhibitors
Anti-CTLA4
Ipilimumab
can tx with steroids
if severe- immuno-modulators- Anti-TNF + integrins inhibitors
What is Microscopic colitis
age, presentation
and what ae the 2 varients
Tx- 1st line and refactory cases
most common interstinal disease in older pt 60-80
only histologic findings, chronic watery diarrhea
lymphocytic varient- close a/w celiac
Collagenous- collagen depositing in sub epithal (women > man)
1st line- 5ASA, bismuth, budosonide
refoctory- purine analogs (MP-6, AZA = imuran)
True or false
ALT and AST are correlate with thr sevirty of liver damage in viral hepatitis
false
way of infections in HBV
- Vertical - maternal-fetus
- sex
- blood
Which marker in HBV infection will be the only one to be elevated in the window period
anti-HBcAb IgM
Which marker will be elevated in infetion (chronic or acutic in HBV)
HBsAg
if recovery- HBsAb
The different between a man who was vaccinated to HBV and a man infeted in recover from HBV
vaccine- only HBsAb
recover- HBsAb + HBcAb IgG
Which Ag is in correlation to the infectivity of the HBV in a body
HBeAg
some pt have virus that mutant and not present this Ag
What is the most earliest marker of HCV infection
PCR-HCV RNA
gold standart
Autoimmune disease correlates with HBV
and another one that correlate with HCV
HBV- polyarthritis nodusa (PAN)
HCV- Cryoglobilunemia
Which hepatitis can be fulminant in pregnancy (%?)
and how can be infected
HEV
Feco-oral by contamination of water sources
15-25% in pregnancy mortality rate
1-2% fulminant with mortality rate in rest of population
Tx for Chronic HBV?
and also HBV+ HDV?
INF-alpha
Tx for Autoimmune hepatitis
prednisone, AZA
What is the most improtant prognostic feature in HBV
Viral load- HBV DNA
not in acutic hepatitis - only in chronic
goal- decrease replication of the virus
Which family medication can cause resistance in the Tx for HBV
Nuecleotide Revese transcriptase inhibitors
Lamivudine- is the most
Which family medication against HBV can be use in chirrosis
Nuecleotide Revese transcriptase inhibitors
also after liver transplant and immunodepressent
What is the duration of therapy in NRTI and PEG-INF
NRTI >1 year. mostly for life (daily oraly)
PEG-INF , 48 weeks
Which Medications are use as pre-PPX for HIV
(PrEP)
Tenofovir + Emitricitabine
also use for HBV
type I HIV
What is the backbone of Tx in HIV ? meaning which medication usally combine
2 NRTI + 1 Integrase inhibitor
NRTI will be never administered as monotherapy- also true for HBV
PEG-INF vs NRTI (nucleoside RT inhibitors)
- in which type theres no resistance at all?
- in which therse more change of disappering of HBsAg?
PEG-INF = no resistance
+ more chances of HBsAg clearance (12%~)
PEG-INF
- C/I
- How many Seroconversion in the end of the 1st year of tx
C/I- chirossis, liver transplant, immunodepressant pt
Seroconversion at end of 1st year ~30% (NRTI- 20%)
HBV + liver transplant post Tx?
for prevent recurrence
- passive immunization
- NRTI (Tenofovir / Entecavir)
When we treat in HBeAg positive?
Viral load > 20K + ALT X2 UNL
Antecavir/ tenofvir / INF
if not- we are not treating unless age > 40 or advance disease
Tx for HBV with chirrosis?
always treat with- DNA > 2000
non compensate - DNA is measurable
C/I for PEG- INF
Tx for Pt with negetive HBeAg?
same as with positive HBeAg but now its not 20K it 2000.
Viral load > 2000 + ALT X2 UNL
difference between co-infection and super infection HDV
co-infection- B + D at same time»_space; like acute HBV symptoms
Super-infection- chronic B + D on top»_space; Flate of harsh hepatitis
What is the classic Ab for HDV
LKM3
What is the only tx for Hep D infection?
INF-a
high dose at least for a year
How many pt infected wth HCV will progress to Chronic?
~85%
in HBV- 90% peri-natal, 50% children, 10% adults
Lichen planus, B cell lymphoma, cryoglobelinumea are all a/w which type of viral infection
HCV
What is the most prognostic factor in HCV infection ?
Level of fibrosis
in HBV- the viral load
Defintion of cure from HCV
12-24 weeks post tratemnt without trace of virus in blood
SVR- sustained virological response
Which DAA is C/I in uncompensated chirrosis?
Protease inhibitor (NS34A)
What is the C/I for sofobuvir (NS5B)
- Amiodarone
- renal insuff.
Which Ab is associated with Autoimmune hepatitis
ASMA
anti-smooth muscle Ab
ANA more specific- also +
all of the following are pointed to which diagnosis?
ANA +
ASMA +
eleveted IgG
Anti-LKM1
HLA-DR3/4
AIH (autoimmune hepatitis)