Esophageal Disorders Flashcards

1
Q

What vertebral levels does the esophagus begin and end?

A

C6 - T11/12

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
2
Q

What muscles perform esophageal peristalsis?

A

Esophageal circular muscles

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
3
Q

What is significant about the pressure of the distal smooth muscle of the Lower Esophageal Sphincter?

A

It has a high resting pressure

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
4
Q

What are the 2 most important symptoms of esophageal disease?

A

Heartburn

Dysphagia

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
5
Q

Where anatomically is heartburn felt?

A

Retrosternally

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
6
Q

What is the cause of heartburn?

A

Reflux of acidic or bilious gastric contents into the esophagus

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
7
Q

What does effect does decreasing the pressure of the Lower Esophageal Sphincter have on reflux/heartburn?

A

It increases reflux/heartburn

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
8
Q

Give examples of substances that can reduce Lower Esophageal Sphincter pressure? (3)

A

Alcohol
Nicotine
Dietary Xanthines (coke, coffee, chocolate)

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
9
Q

What condition can persistent heartburn and reflux lead to?

A

Gastro-oesophageal reflux disease (GORD)

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
10
Q

What is Dysphagia?

A

Difficulty in swallowing

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
11
Q

What is Odynophagia?

A

Pain with swallowing

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
12
Q

What are the 5 main causes of oesophageal dysphagia?

A
Benign stricture (oesophageal web)
Malignant stricture (oesophageal cancer)
Motility disorders (achalasia)
Eosinophilic oesophagitis
Extrinsic compression (eg in lung cancer)
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
13
Q

What are the 3 types of investigation that could be used to diagnose oesophageal disease?

A
Endoscopy
Contrast radiology (barium swallow)
Oesophageal pH and manometry
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
14
Q

What are the 2 main endoscopy procedures that can be used to diagnose oesophageal disease?

A

Oesophago-Gastro-Duodenoscopy (OGD)

Upper GI Endoscopy (UGIE)

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
15
Q

An example of a hypermotility oesophageal disorder is “diffuse oesophageal spasm”.
How does this condition appear on a barium swallow image?

A

Has a corkscrew appearance

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
16
Q

What is the clearest indicative symptom of diffuse oesophageal spasm and what symptom could possibly accompany this?

A

Severe, episodic chest pain (with or without dysphagia)

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
17
Q

What 3 conditions is hypomotility of the oesophagus associated with?

A

Connective tissue disease
Diabetes
Neuropathy

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
18
Q

What effect can hypomotility have on the Lower Oesophageal Sphincter?

A

Causes LOS mechanism failure leading to heartburn, reflux and loose dilated oesophagus

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
19
Q

What is Achalasia?

A

A motility disorder in which there is a degeneration of myenteric plexus ganglion cells in the distal oesophagus and LOS

20
Q

What is the cardinal feature for Achalasia?

A

LOS fails to relax

21
Q

What are 5 symptoms of Achalasia?

A
Progressive dysphagia
Weight loss
Chest pain
Regurgitation
Chest infection
22
Q

What can Achalasia result in?

A

Functional obstruction of the oesophagus

23
Q

What 2 pharmacological treatments can be given to treat Achalasia?

A

Nitrates

CCBs

24
Q

What are the 3 interventional treatments that can be taken to treat Achalasia

A

Botulinum toxin
Pneumatic balloon dilation
Myotomy

25
What is the Gastro-Oesophageal Reflux Disease usually due to?
Pathological acid and bile exposure in the lower oesophagus
26
What are 3 symptoms of GORD (Gastro-Oesophageal Reflux Disease)?
Heartburn Cough Sleep disturbance
27
Name a few risk factors for GORD (Gastro-Oesophageal Reflux Disease)? (6 available)
``` Pregnancy Obesity LOS pressure lowering drugs Smoking Alcoholism Hypomotility ```
28
What is important to note symptomatically in the diagnosis of GORD (Gastro-Oesophageal Reflux Disease)?
Many patients are asymptomatic
29
What is Hiatus Hernia?
When the fundus of the stomach moves proximally through the diaphragmatic hiatus
30
What are the 2 ain types of Hiatus Hernia?
Sliding | Para-oesophageal
31
Which oesophageal condition is often due to Hiatus Hernia?
GORD (Gastro-oesophageal reflux disease)
32
What are the 4 most common complications GORD can lead to?
Ulceration Stricture Carcinoma Glandular metaplasia (Barrett's oesophagus)
33
What is Barrett's esophagus?
Intestinal metaplasia due to prolonged acid exposure in the distal oesophagus
34
How to cells change in the lower oesophagus due to Barrett's oesophagus?
Squamous TO Mucin-secreting columnar
35
What is Barrett's oesophagus a precursor to?
Adenocarcinoma
36
What are the 3 methods of treating Barrett's oesophagus with high grade dysplasia
Endoscopic Mucosal Resection (EMR) Radio-Frequency Ablation (RFA) Oesophagectomy
37
What are the 3 pharmacological treatments for GORD?
Alginates (eg Gaviscon) H2RA (Ranitidine) Proton Pump Inhibitor (Omeprazole)
38
What are the 2 main types of oesophageal cancer?
Squamous Cell Carcinoma | Adenocarcinoma
39
What symptoms do patients with oesophageal cancer present with? (2 main + 6 additional)
Progressive dysphagia Anorexia and Weight loss ``` Chest pain Cough Pneumonia Vocal cord paralysis Haematemesis Odynophagiea ```
40
Where do occluding squamous cell tumours often grow on the oesophagus?
On the surface epithelium
41
What are the 2 most significant risk factors for oesophageal squamous cell carcinoma?
Tobacco | Alcohol
42
Which are og the oesophagus does squamous cell carcinoma occur?
The proximal and middle third of the oesophagus
43
What area of the oesophagus does adenocarcinoma occur?
In the distal oesophagus
44
Where are the 4 most common areas of metastases for oesophageal cancer?
Liver Brain Pulmonary Bone
45
What is the usual priority in oesophageal cancer treatment?
Symptom palliation
46
What are the 4 main treatment options for oesophageal cancer?
Endoscopic (i.e. stent or laser) Chemotherapy Radiotherapy Barchytherapy