UGI/CR - Oesophagus Flashcards
Anatomical causes of GORD (2)
Hiatus hernia
Systemic sclerosis
Physiological causes of GORD (7)
Raised IAP Large meals, late @ night Smoking High caffeinated drink intake High fatty food intake Binge drinking Dx
Dx that predispose to GORD (4)
Anticholinergics
Nitrates
TCAs
CCB
Iatrogenic causes of GORD
After Tx for achalasia
Where is the oval aperture
R crus of diaphragm at T10
What structures pass through the oval aperture (4)
Oesophagus
CNX trunks
Oesoph branches L gastric vessels
Lymphatics
What are the 2 types of hiatus hernia?
Sliding hiatus hernia
Rolling hiatus hernia
What is a siding hiatus hernia
G-O junction slides through hiatus to live above diaphragm, but sphincter remains competent below diaphragm
PS sliding hiatus hernia
Mostly asymp
Or reflux
What % of >50 y/o have sliding hiatus hernia
30%
What is a rolling hiatus hernia
Lower oesophageal sphincter remains in place
But part of fundus herniates into chest next to it
PS rolling hiatus hernia
Severe pain (occasionally)
XR appearance rolling hiatus hernia
Thoracic air bubble
What are the 3 types of dyspepsia
Reflux type
Ulcer type
Dysmotility type
Reflux type dyspepsia PS (2)
Heartburn + regurg
Ulcer type dyspepsia PS
Epigastric pain
Dysmotility type dyspepsia PS
Bloating
Nausea
Major features of GORD (4)
Heartburn/indigestion
Regurg food/acid
Waterbrash
Odynophagia
When is dyspepsia worse
Bending/lying down
Drinking hot liquids
Alcohol
What is Waterbrash
Sudden fillling of mouth w/ dilute saliva
In response to oesoph acid
ALARMS 55
Anaemia (Fe) Loss W Anorexia Recent onset, progressive Sx Melena/haematemesis/mass Swallowing difficulties >55 y/o
Ix GORD (further - 4)
Ba swallow
Sx index/Sx sensitivity index
DeMeester score
24h luminla pH monitoring, manometry if endoscopy normal
What is excessive reflux defined as on 24h luminal pH monitoring
pH <4 for >4% of the time
Lifestyle Mx of reflux (5)
W loss Smoking cessation Small + reg meals 3 h before bed Raised head of bed @ night Avoid Dx - NSAIDs/K salts
Med Mx of reflux
Antacids
H2RA + PPI (2nd line)
Metoclopramide/domperidone
H pylori test + treat
SE Al(OH)3
Constipation
SE Mg(OH)2
Diarrhoea
What negative SE can PPI’s lead to
Achlorhydria –> increase risk of food poisoning
Surgical Mx of reflux
Nissen fundoplication
LT complications of GORD
Oesophagitis/ulcers
Benign strictures
Barretts/ oesophageal adenocarcinoma
What % adult pop have Barrett’s oesophagus
2%
What is the histological change in Barrett’s oesophagus
Stratified squamous –> glandular columnar ep
How is a diagnosis of Barrett’s made
UGI endoscopy + biopsy
Mx Barretts
Lifestyle nodes
Reg surveillance via endscopy
What can Barrett’s turn into
Oesophageal adenocarcinoma
What is oropharyngeal dysphagia
Difficulty initiating swallow +/- choking/aspiration
Common causes of oropharyngeal dysphagia (3)
Stroke
Candidiasis
Globus
Less common causes of oropharyngeal dysphagia (3)
Pharyngeal pouch
MND
Xerostomia
Rare causes of oropharyngeal dysphagia (3)
Oral tumours
Severe aphthous ulcers
Mm dystrophy/bulbar palsy
Ix for oropharyngeal dysphagia
Neuro exam
Videofluoroscopy
What is Oesophageal dysphagia
Food sticks are swallowing +/- regurg
Common causes of Oesophageal dysphagia (3)
Benign stricture
Oesophageal carcinoma
Oesophagitis
Less common causes Oesophageal dysphagia (4)
Dysmotility - achalasia
Dysmotility - diffuse oesophageal spasm
Webs/rings
External P - hilar nodes/cancer
Rare causes of Oesophageal dysphagia (3)
Oesophageal infection
Retrosternal goitre
Corrosive stricture
ix Oesophageal dysphagia (3)
Ba swallow
OGD
Biopsy
Oropharygeal dysphagia - initiating swallow
Difficult
Oropharygeal dysphagia - interval to dysphagia after swallow
Instant
Oropharygeal dysphagia - progression
Variable
Oropharygeal dysphagia - type of food
Liquids
Oropharygeal dysphagia - asssoc Sx
Choking
Nasal regurg
Drooling
Oropharygeal dysphagia - assoc signs
CN signs
Oesophageal dysphagia (mechanical cause) - initiating swallow
Unaffected
Oesophageal dysphagia (mechanical cause) - Interval to dysphagia after swallow
Few s
Oesophageal dysphagia (mechanical cause) - progression
Progressively worsening
Oesophageal dysphagia (mechanical cause) - type of food
Solids
Oesophageal dysphagia (mechanical cause) - assoc Sx
W loss
Prior heartburn
Oesophageal dysphagia (mechanical cause) - assoc signs
Cervical LN
Anaemia
Oesophageal dysphagia (dysmotility cause) - initiating swwallow
unaffected
Oesophageal dysphagia (dysmotility cause) - interval to dysphagia after swallow
few s
Oesophageal dysphagia (dysmotility cause) - progression
intermittent
Oesophageal dysphagia (dysmotility cause) - type of food
L/S
Oesophageal dysphagia (dysmotility cause) - assoc Sx
Odynophagia
Who gets Achalasia
Young pt (in their 30s)
Pathophysiology achalasia
Oesophageal aperistalsis + failure of relaxation of LOS (NM disorder)
Degeneration of ganglia in distal oesophagus + LOS
Oesophagus = dilated –> megaoesophagus
PS Achalasia (5)
Long, non-progressive Hx of Dysphagia Chest pain /substernal cramps Regurg + pulmonary aspiration (LATER) Nocturnal cramps
Ix Achalasia (5)
UGI endoscopy Barium swallow Oesophagoscopy (excl carcinoa) CT High resolution manometry
What is the gold standard Ix for achalasia
High resolution Manometry
Appearance of Achalasia on Ba swallow
Bird beak
Mx Achalasia
Chew food well Eat upright Drink lots w/ meals Botulinum injection (prov temp relief) Endoscopic balloon dilatation Heller's cardiomyotomy
What is Heller’s Cardiomyotomy
Op for Achalasia
Where cardia mm are divided
Which sex is mainly affected by Plummer Vinson syndrome
Females
PS Plummer Vinson (triad)
Dysphagia
Koilonychia
Glossitis
Why is Plummer Vinson pre-malignant?
B/c hyperkeratisation of oesophagus –> web
Tx Plummer Vinsons
Fe
+ dilation of web via OGD
Sx oesophageal malignancy (6)
Painless, rapidly progressive dysphagia W loss/Anorexia Retrosternal Chx pain (late) Hoarse voice (late) Coughing/aspiration Occasional Cerv lymphadenopathy (late)
Where are the majority of oesophageal malignancies
Lower 1/3 oesoph
What type of cancer are the majority of oesophageal malignancies?
Adenocarinoma
RF Oesophageal adenocarcinoma (4)
Related to GORD hence: Barretts Smoking Obesity Breast cancer radiotherapy
How does Oesophageal adenocarcinoma mets?
Via lymphatics
Very early
RF SCC oesophagus (8)
Heavy smoking Heavy drinking Plummer Vinson Achalasia Corrosive strictures Coeliac disease Breast cancer + radiotherapy Tylosis
When does SCC oesophagus present?
Late
when tumour is large enough to compromise lumen
Spread SCC oesophagus
Regionally - LN
Lungs, liver + bone
Ix oesophageal cancer
OGD incl trans-oesoph USS + biopsy
2nd line - CT thorax/pelvis TNM
PET - mets
Laparscopy - excl peritoneal mets
Prognosis oesophageal Ca
17% at 5y
Tx stage T1/2 oesophageal Ca
Radical curative eosophagectomy (Ivor-Lewis)
EMR
EMR
Endoscopic mucosal resection
Tx stage T2-4 oesoph Ca
Chemo/radio
Palliation oesoph Ca
Oesophageal stenting