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29 Esophagus
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172
Accounting
Undergraduate 1
11/20/2017

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Term
blood sup to esoph?
Definition
-cervical = inf thyroid a
-thoracic = aorta br
-abd = left gastric, inf phrenic
Term
L vs R vagus orientation?
Definition
R = on posterior side, becomes celiac

L = anterior, goes to liver
Term
Thoracic duct path?
Definition
-crosses R-->L @ T4-T5
-enters left SC/IJV junction
Term
muscle types in esoph?
Definition
Upper = striated
Lower = smooth
---------
inner = circular
outer = longitudinal
Term
Criminal n location?
Definition
right vagus
*high acid levels post-op if left undivided*
Term
Normal Esoph Pressure(mmHg)
-rest-->w/food bolus
Definition
-Pharyngeal w/food= 70-120
-UES 60-->15
-LES 15-->0
Term
Resting LES pressure in Pts w/GERD?
Definition
often < 5 mmHg
Term
normal esoph contraction pressure with swallowing?
Definition
30-120 mmHg
-ineffective if < 10 (burned out esoph)
Term
Normal distances of esoph structures from incisors
Definition
-Cricopharyngeous = 15 cm
-Aortic arch indent = 25 cm
-LES = 40 cm
-hiatus = 45 cm
Term
muscle of UES?
muscle type?
Definition
cricopharyngeus
circular m
Term
clinical sig of UES?
Definition
MC site esoph perf (MC EGD)
MC forgeign body site: Killians triangle (just above cricophyr).
Term
cause of aspiration with brain stem stroke?
Definition
failure of UES to relax
Term
types of peristalsis?
Definition
-primary = w/food bolus/swallowing
-secondary = wave propagation after esoph is distended
-tert = dysfunctional, non-propogating
Term
What induces LES changes during swallowing?
Definition
vagus causes relaxation
-occurs after swallow initiation
Term
reflex arc of Hiccoughs>
Definition
Vagus-->phrenic-->symp chain T6-T12
Term
MCC pharyngoesoph. disorders?
Definition
Neuromuscular dz
-myshtenia, parkinsons, polymyositis, MD, stroke, Zenkers
Term
plummer vinson
-description
-tx
Definition
= esoph webs, Fe def anemia,
tx: Dilation, Fe,
*screen for oral Ca*
Term
pharyngoesoph disorders
-what causes most difficulty?
Definition
liquids > solids
Term
best test for dys/odynophagia?
Definition
-Barium swallow = first test(then EGD w/bx after)
-manometry
-pH study
Term
likely cause of dysphagia based on trouble with liq vs solid?
Definition
-Liq only = pharyngoesoph d/o
-both = motor d/p
-solids only = CA or stricture
Term
PPhys of achalasia?
Definition
Autoimm destruction of myenteric plexus = loss of ganglion cells (Auerbach myenteric plexus)
Term
Chagas dz cause?
Definition
T cruzi
sxs similar to achalasia
Term
2 major characteristics of achalasia
Definition
1. inability of LES to relax
2. loss of peristalsis
Term
achalasia sxs?
Definition
-dysphagia to BOTH liq/solids
-regurg
Term
Achalasia work-up?
Definition
1. esophagogram (dilated->bird beak)
2. EGD: R/o CA
3. mano (best test for definitive dx)
Term
Typical achalasia mano findings?
Definition
1. LES > 25 mmHg (no relaxation
2. low amplitude, failed peristalsis
Term
pseudoachalasia
-typical dx scenario?
Definition
doing EGD for achalasia, but can't pass scope easily into stomach
-->GE junction malig
Term
definition of burned out esoph?
Definition
>50 % non pulsatile contractions
< 30 mmHg w/each contraction
*likely to fail medical management*
Term
Cancer risk with achalasia?
Definition
15x normal risk for SCCA
*all need CA r/o*
Term
medical tx of achalasia ?
Definition
1. balloon dilation x 2
2. CCbx, nitrates,
Term
achalasia
-surgical tx
Definition
Heller myotomy (left thora) + partial wrap
-extend form 7 cm above, to 1-2 cm below EG junction (level of inf pulm v)
-separate muscles around half of esoph to prevent re-healing
-get POD1 ggraffin swallow-->thin barium
Term
esophagectomy vs achalasia?
Definition
if..
1. burned out esoph
2. repeated myotomies, now w/stricture
Term
DES
-barium swallow?
-Mano findings?
Definition
-corkscrew esoph
-High amp, repetitive, non-peristaltic, long duration contractions
-->30% non-peristaltic
-->normal LES function
Term
DES tx
Definition
medical: CCBx, trazodone, psych meds+/-
Surg: long esoph myotomy (right thora)
-180 deg along entire length of esoph including 1-2 cm onto stomach
-wrap
Term
DES
-what sxs most improved by surg?
Definition
better for dysphagia over pain.
-less effective overall than surg for achalasia
Term
MC primary esoph d/o?
Definition
Nutcracker
Term
nutcracker dx?
Definition
Mano: very high-amplitude, PERISTALTIC waves (>180 mmHg
Term
nutcracker tx?
Definition
1.CCBlk, trazodone
2. long esoph myotomy, wrap (treats dysphagia better than pain)
Term
Scleroderma
-sxs?
Definition
-severe heartburn
-dysphagia
-complete loss of lES tone
-fibrous replacement of smooth m
Term
CREST =
Definition
Calcinosis
Raynauds
Esoph dysmotility
Sclerodactyly
Teleangiectasia
Term
Scleroderma Ca risk?
Definition
2%
-all need EGD
Term
Scleroderma
-Mano findings
Definition
best test for dx
-Aperistalsis, weak contractions
-Low/absent LES pressure
Term
histopath of scleroderma/
Definition
-atrophy, fibrosis @ distal 2/3 esoph
-small artery sclerosis
*affects many organs, but MC is esoph*
Term
tx options vs scleroderma?
Definition
1. omep, reglan, nystatin vs thrush,
2. elevate HOB, small meals
3. balloon dilation vs strictures
4. Surg: partial wrap + collis g-plasty vs possible esophagectomy
Term
surgery vs scleroderma?
Definition
partial wrap + collis
vs
esophagectomy
Term
location of esoph diverticula?
Definition
Zenkers = false = upper
Traction = true = middle
Epiphrenic = false = distal
Term
MCC epiphrenic vs traction divertic?
Definition
epiphrenic = achalasia (primary motility d/o)

Traction = infection (chronic granulomatous dz) (inflammation, tumor)
Term
PPhys of epiphrenic divertic?
Definition
= pulsion diverticula
-distal narrowing->inc pressure->divertic
Term
Epiphrenic divertic
-sxs
Definition
asymptomatic mostly
Term
epiphrenic divertic
tx
Definition
1.fix underlying motility issue
2. if needed..
-longitudinal myotomy opposite side of tic
-resection if trapping food, vs suspend
Term
Traction divertic
sx
Definition
regurg, dysphagia
Term
Tx traction divertic
Definition
if asympt..nothing
-otherwise excise and primary closure
-palliative tx if 2/2 ca (XRT, stent)
Term
Zenker's
-pphys
-location
Definition
-ineffective relax of cricoph m.
-between cricoph m. and pharyngeal constrictors..MC posteriorly.
Term
Zenker's sx
Definition
dysphagia
regurg non-digested food (almost all pts)
Term
Zenker's
dx
Definition
NO EGD (risk of perf)
-barium swallow
Term
Zenker's
tx
Definition
1)Cricopharyngeal myotomy,
-left neck @ ant SCM border
-ligate inf thy a and mid thy v
-extend 3 cm each direction
2)staple off divertic over bougie (but don't NEEEED to resect. can suspend)
3)leave drains..POD1 swallow
Term
post-op Zenker's
stricture mgmt
Definition
dilate early
-problematic if not treated early
Term
Zenker's
mgmt. post op wound infection?
Definition
open wound
gsatsrograffin swallow to r/o leak
Term
best test esoph perf?
Definition
g-griffin then barium if needed
*get even if you know pt has perf*
Term
cervical esoph perf:
-incision
-next step if cant find hole
Definition
-left neck
-leave drains (if cant repair, if cant find it)(leave even if repaired)
Term
Criteria for primary repair of esoph perf?
Definition
< 24 hrs, minimal contam, no mediastinitis/no sepsis
-longitud myotomy, 2 layer closure, coverage with viable tissue
-relieve any distal obstruction
Term
esoph perf
-post op imaging timing?
Definition
1 week swallow for thoracic perfs
Term
Pt with esoph perf who is sick..
mgmt.?
Definition
-cervical esophagostomy for spit diversion
-staple above GE-->esophagectomy
-washout, chest tube, j tube
-@6-8wk..gastric pull up
*can leave esoph if SUPER sick*
Term
Boorhaves location?
Definition
MC left lower esoph
-(4 cm from EGJ @ 80%)
-Caused by forceful vomiting
Term
classic boorhave pres?
Definition
Food + EtOH = Vomit = chest pain
*almost never contained perf*
Term
Highest mortality rate w/esoph perf?
Definition
Boorhaves
Term
esoph caustic injury grading?
Definition
0: normal
1: hyperemia, edema
2a: SF ulceration, sloghing, exudate
2b: + circumferential ulceration
3a: lumen obliterated, deep ulcers, perf,
3b: + necrosis
Term
injury / risks of alkali vs acid esoph injury?
Definition
-alkali = worse. Liquefaction necrosis. Inc CA risk
-Acid = coagulation necrosis (causes more gastric injury)
Term
caustic injury mgmt..
-do NOT..
Definition
..place NGT
..go past point of severe injury on EGD
..perform primary repair if perf
Term
time frame for stricture after caustic injury?
Definition
MC 3 weeks.
-MC cervical or @ aortic indentation
Term
MC age groups esoph foreign bodies?
Definition
< 10
> 50
Term
MC foreign object in esoph vs age?
Definition
kids-> non edible (coins).
adults-> meat f/b bones
Term
MC site for foreign body esoph?
Definition
UES
just below cricoph
Term
highest rate of injury with esoph foreign body?
Definition
bones and fish bones
-10% perf, 75% injury
Term
stomach vs esoph fb mgmt.?
Definition
NEVER leave esoph foreign body
-but..most pass once in stomach
-disk batteries/coins: extract if not moved in 48 hrs
-sharps: watch them pass (10% get lap)
Term
MC problem that increases changes of esoph FB?
Definition
GERD and resulting strictures
Term
GERD
-pre-op testing
Definition
1.pH (best test)
2.Mano
3.EGD w/bx
4.Swallow
Term
best test for GERD
-how it is performed/interp
Definition
pH test
-probe 5 cm above LES- >4.5% of time with pH<4 = dx
*must be off PPI/H2 blk for 1 week*
Term
GERD mano findings
Definition
LES pressure < 6 w/GERD
-need 3 readings
Term
MC 2ndary esoph motility problem?
Definition
esoph deterioration from GERD
Term
best test for suspected para-esoph hernia?
Definition
Barium swallow
(most people w/GERD have hiatal hernia)
Term
MCC esoph bleed?
Definition
esophagitis 2/2 GERD
Term
surgical consideration for GERD induced stricture?
Definition
these pts have shortened esoph..
need Collis gastroplasty if performing a wrap
Term
MCC benign esoph stricture?
Definition
GERD
**MUST GET Bx TO RO CA**
Term
requirements for adequate LES function?
Definition
adequate pressure (GERD pts usually<6)
adequate length (5 cm)
adequate abd length (2 cm)
Term
measurements found in esoph shortening?
Definition
EGJ 4-5 cm above diaphragm hiatus
-need 2 cm of room below hiatus-
Term
Barrets
-histo
-%
Definition
-squam-->columnar metaplasia
*intestinal type metaplasia = highest CA risk*
-10% of GERD pts
Term
Barretts
-surveillance regimen
Definition
-yearly EGD bx @ 1 cm intervals, 4 quad
*3-6 months initially*
*does not change even if s/p wrap*
Term
CA risk with Barrett?
Definition
0.5% per year
-50x risk vs gen population
Term
Indications for esophagectomy vs barrett?
Definition
-High grade dysplasia (20-25% harbor CA)
-perf (don't repair barrett area)
-refractory bleed, stricture,
-CA
**anastomosis should be in the neck**
Term
Lower esoph ring
-associated condition
-sx/dx
Definition
-GERD
-dysphagia
-swallow
Term
Lower esoph ring
-Tx
Definition
Axs: ntd
Sxs: dilation + PPI
fail-->dilate and perform wrap
(NEVER RESECT THE RING)
Term
Esoph webs
-location?
Definition
-Acquired = MC type = higher up, a/w zenkers
-Congen = mid to lower esoph
Term
Esoph web
-sxs
-dx
-tx
Definition
-Dysphagia
-Esophagogram
-Dilation first. +/- circumferential web excision via longitudinal esophagotomy
**ESOPHAGECTOMY NEVER INDICATED**
Term
% GERD success w/meds?
Definition
99%
Term
Nissen
anatomic key to dissection vs wrap?
Definition
-dissection = find right crura
-wrap = find left crura
Term
Nissen
-esoph length requirements?
Definition
-mobilize at least 5 cm of intra-thoracic esoph
-need at least 2 cm free esoph in the abdomen
Term
nissen
-bougie?
Definition
54 fr
-wrap around it to prevent stenosis
Term
what is the phrenoesophageal membrane an extension of?
Definition
Transversalis Fascia
Term
nissen
-length of fundus wrap?
Definition
2 cm, 360 degrees
Term
potential artery found in gastro-hepatic ligament?
Definition
replaced left hepatic artery
Term
Toupet =
Definition
posterior 180 partial wrap
-used it pt has esoph motility problems
Term
wrap used for pt with esoph motility problem?
Definition
Toupet
-posterior 180 partial wrap
Term
Belsey =
Definition
intra-thoracic wrap
-approach through chest
Term
procedure to extend esoph length?
Definition
Collis gastroplasty
-staple along the cardia
-->perform wrap around neo-esoph
Term
Nissen
-MC Cx
intra-op vs post-op
Definition
intra-op = esoph perf (repair it)
post-op = dysphagia
Term
Nissen
-causes of post op dysphagia
Definition
1. too tight
2. twisted fundop
3. wrap herniation
4. Slipped fundop
5. two compartment fundop
Term
Nissen
-MCC dysphagia
Definition
Too tight (presents EARLY)
Term
Too tight Nissen
-mgmt
Definition
Clears x 1 week, then dilate
-OR if can't tolerate liquids
*95% resolve w/conserv. mgmt*
*often from edema*
Term
Post op dysphagia NIssen
-first test?
Definition
barium swallow
Term
Nissen
-causes of dysphagia more common w/laparoscopy?
Definition
-Twisted fundop
-Wrap herniation
-Two compartment fundop
Term
Two compartment fundop =
Definition
when body of stomach, not fundus, is used for wrap
-re-op
-p/w dysphagia, inability to belch/vomit
Term
MCC dysphagia after re-do nissen
Definition
wrap herniation
-likely from too short esoph
-re-do with Collis gastroplasty
Term
slipped fundoplication =
Definition
wrap is around cardia
Term
Types of hiatal hernia
Definition
1 = GE above D
2 = para-esoph (nrml GE location)
3 = 1+2
4= type 2 or 3 but includes non-stomach organ
Term
cause of type 2 hernia
Definition
weakness or defect in phrenoesophageal membrane
(continuation of transversalis fascia)
Term
relative % w/type 1 hernia that have sxs
Definition
most do NOT have reflux
-and most pts w/reflux do not have hiatal hernia.
Term
MC hiatal hernia
Definition
99% = type 1
Term
Sxs of incarcerated para-esoph hernia
Definition
1. chest pain, can't vomit, can't pass NGT (borchardt triad)
2. +/- inability to swallow saliva
3. Retching without vomiting (classic)
Term
condition a/w type 2-4 hiatal hernia?
Definition
gastric volvulus
MC organo-axial
Term
MC benign esoph tumor = ?
-location
-histo
Definition
= Leiomyoma
-distal 2/3 esoph
-smooth muscle @ muscularis propria
Term
Swallow findings leiomyoma?
Definition
smooth, convex semu-lunar filling
-distal 2/3 esoph
Term
W/u for leiomyoma esoph?
Definition
-Swallow: smooth, convex, semi-lunar
-EGD w/EUS: homogenous, hypo-echoic
***NO BX-->scar***
-CT (hypodense tumor)
Term
esoph leiomyoma
-surg indications
Definition
1. > 5 cm
2. Sx (dys/odynophagia)
3. unclear dx
4. Intraluminal, pedunc, mobile
Term
surgical tx vs esoph leiomyoma?
Definition
Enucleation (no resection)
-leave mucosa intact
**esophagectomy if leiomyosarcoma**
Term
2nd MC benign tumor esoph?
-location?
Definition
Fibrovascular polyp
-cervical esoph
Term
Fibrovascular polyp
dx
Definition
Swallow: intra-luminal filling defect
**NO EGD (unless @ surgery) as these are mobile and can acutely block airway**
Term
Fibrovascular polyp
-histopath
Definition
-fibrovscular/adipose tissue w/normal mucosal covering
*Nomral mucosa-->easy to miss on EGD*
-long, pedunculated intra-luminal mass
Term
Fibrovascular polyp
-surg indications
Definition
all need removal due to airway risk
> 8 cm = surg (myotomy, take stalk, fix hole)
< 8 cm = EGD
Term
Esoph CA risk factors
Definition
-Achalasia, GERD, Barretts, tylosis
-EtOH, Tobacc, -
-Caustic inj (alkali>acid)
-Male
Term
Esoph CA
Best test for tumor depth
best for resectability?
Definition
EUS for depth
CT vs resectability
Term
esoph CA
-Best initial test and findings?
Definition
Swallow
-Apple core lesion
Term
Common met sites for esoph CA?
Definition
Liver
lungs
adrenal
Term
w/u for esoph CA?
Definition
-swallow
-EGD w/EUS
-Bronch (if upper 2/3 esoph)
-CT, PET
-Labs
Term
when need bronch for esoph CA?
Definition
if tumor in upper 2/3
-rule out bronchial invasion
Term
Esoph CA
-suspicious LN and w/u
Definition
-Supraclav or retrocural, >0.5 mm-->FNA
-Intra-abd > 1 cm-->EUS, CT-guided, lap bx
-intra-thor > 1cm -->bronch/wang needle vs mediastinoscopy
Term
Esoph CA
-unresectable nodes?
Definition
supraclav, celiac, SMA = M1 = unresectable
Term
Esoph
-unresectable dz =
Definition
-Mets, +distant node
-hoarseness (RLN), Horners
-Phrenic involved
-Malig pleural effusion, malig fistula
-airway, vert invasion
Term
Esoph CA
-biggest prog factor?
-marker for poor prog?
Definition
-Nodal spread
-EGFR
Term
Esoph CA
Type of LN spread
Definition
Spreads along submucosal lymphatics
-longitudinally
Term
Adeno vs SCC of esoph
-location
-MC met
Definition
Adeno = lower 1/3-->met to liver
SCC = mid 1/3--> met to lung (get a bronch)
Term
Ethnicity and type of esoph CA?
Definition
Adeno = caucasian, 50-60 y/o (BARRETTS)
SCC = AA, 60-70 y/o
Term
Barret dx based on EGD?
Definition
-SCJ found 3 cm above EGJ
-pink mucosa stains blue (normal stains grey)
-
Term
Esoph melanoma
tx
Definition
resection
Term
Esoph CA
-neoadj indications?
Definition
for anything grearter than T1
*T1 = submucosal invasion*
-Cisplatin, 5FU, + XRT (x 6 wk)
(can result in down-staging)
Term
Esoph CA
-indication for J tube
Definition
> 20 lb weight loss
-place lap j tube if getting neo-adj chemo/xrt
Term
Esoph CA
-esophagectomy Mortality rate vs cure rate
Definition
25% mortality from surgery vs 5% cure
Term
Influence of XRT on surgery vs Esoph CA?
Definition
= inc leak risk
-perform anastomosis outside of XRT field
Term
when to consider transhiatal approach?
Definition
-poor PFTs (FEV 1 < 1L)
-pre-op reflux disease (anast in neck)
Term
Esoph CA
margins?
Definition
10 cm
Term
MC cx with lymphadenectomy during Esoph CA surgery?
Definition
rec lary injury
Term
blood supply to stomach after Esoph CA surg?
Definition
Right gastro-epiploic (from GDA)
*short gastrics, LGA are ligated when using stomach as conduit*
Term
list the surgical options for esophagectmoy vs Esoph CA?
Definition
-transhiatal
-3 hole
-Ivor Lewis
-Colonic interposition
Term
surg option vs Esoph CA
-location of incisions + (anastomosis)
Definition
1. transhiatal = abd and neck (neck)
2. 3 hole = abd, neck, right thora (neck)
3. abd, right thoracotomy (chest)
Term
thoracic vs cervical anastomosis vs esoph CA
-leak rate/complication rate?
Definition
-cervical: less mortality from leak
-Thoracic: decreased leak rate overall
Term
when to do colonic interposition?
-blood supply used?
Definition
-@ young pts w/ benign disease. Allows preservation of gastric function.
-BS depends on marginal vessels
Term
Esoph CA
When to abort esophagectomy?
Definition
1.Incidental liver/peritoneal/lung mets
2.Incidental M1a (celiac/supraclav node)
-->continue w/rsxn and resect nodal area
Term
Esoph CA Cx
-intra op bleeding mgmt with trans-hiatal
Definition
-high/dark: azygous bleed-> do right thora
-low/bright: aortic br->left thora
Term
Esoph CA Cx
-intra-op air leak dx/mgmt
Definition
likely tear in distal trachea/left mainstem
-bronch
Term
Positive or close margins with Ivor Lewis..
-mgmt?
Definition
Drape for 3 hole with neck anast
-resect for additional margins
Term
Chylothorax mgmt
Definition
NPO, TPN x 3 weeks. feed with short to medium chain FAs
-Still high output / >2L per day?
-->surg to ligate thoracic duct
Term
Esoph CA
-post op wound infection?
Definition
1. open the wound in OR
2.If necrotic stomach, resect it, return rest of stomach to abd, + g tube & feeding J.
-cervical esophagostomy
-fix with colonic interpos 3 mo later
Term
Esoph CA
-post op stenosis mgmt
Definition
EARLY dilation
-@ 1 week
Term
post op Esoph CA surg
-regurgitation mgmt
Definition
reglan
Term
Complications MC with trans-hiatal esoph?
Definition
Chylothorax
Posterior membranous trachea tears
Blood loss
Right RLN injury
Term
Cx MC with trans-thoracic esoph?
Definition
respiratory cx
Term
Perf of unresectable esoph CA
-mgmt
Definition
Stent
Term
Chemo indications @ esoph CA?
Definition
5-FU + cisplatin
vs node +ve, full thickness, or to attempt down-staging
Term
role of XRT @ esoph CA ?
Definition
pre or post op
-dec local recurrence
Term
Esoph CA
-5YSR with resection for cure
Definition
25%
Term
Median survival for pts with esoph CA mets?
Definition
< 6 mo
Term
Esoph CA
-which side of colon is MC used to interpose and what artery supplies it?
Definition
Left = left colic (MC)
Right = middle colic
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