‘a solicitor with diarrhoea’ dr. clark / pollok medicine firm katie barge shamara fonseka sylvia...
TRANSCRIPT
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‘A Solicitor with Diarrhoea’
Dr. Clark / Pollok Medicine Firm
Katie Barge
Shamara Fonseka
Sylvia Kwong
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Case of Miss X
• 25 yr old
• F
• Caucasian
• Trainee solicitor
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PC
• Diarrhoea
• PR bleeding
• Lower abdominal pain
• Vomiting
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HPC
• June 02: PR bleeding, mucus in stools, abdominal cramps, increased bowel frequency – Rectal biopsy
• July 02: Diagnosed with Crohn’s – Drugs: Colifoam, Pentasa, Prednisolone
• Remission – drugs slowly decreased in dose
• Never had a colonoscopy
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HPC (cont..)
• Sept 03: PR bleeding started
- Drugs – Predsol suppository and Asacol
• Nov 03: Increased bowel frequency, lower abdominal pain
- Drugs – Prednisolone, Calcichew D3 Forte, Pentasa
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HPC (cont..)
• Presented in A & E on 23/11/03 with:
- Diarrhoea (1/52); x20 a day
- PR bleeding (5/7)
- Nausea & vomiting (1/7)
- Dizziness & weakness (1/7)
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HPC (cont..)
- Lower abdominal pain
- 1/52
- ‘Wrenching’
- No radiation
- Relieved by defaecation
- Intermittent
- Severity: 10/10
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PMH
• No previous hospitalisations
• No previous surgery
• No THREADS
• No significant childhood illnesses
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MH
• Pentasa• Colifoam• Predsol suppository• Prednisolone
NKDA
• Feminax• OC pill• Aspirin• Multi-vitamins, aloe
vera & peppermint
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SH
• Full time trainee solicitor
• Lives locally in a flat with a friend
• No recent travel abroad
• Smoking: gave up after being diagnosed (July 02), now smokes socially
• Alcohol: 20-25 units per week
• Rec. drug: occasionally smokes marijuana
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FH
• Dad (57): diagnosed with prostate cancer
• Mum (53): had a hysterectomy at 40 (no malignancy detected)
• Has a brother of 22
• No family history of Crohn’s
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Systems review
• No JACCOL
• CVS: NAD
• Resp: NAD
• GI: anorexia, weight loss, dehydrated, weak
• GU: NAD
• CNS: NAD
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Examination
• CVS: pulse – 135, BP – 104/54• Resp: rate – 18, sats – 100% on air, chest clear• GI: Abdomen soft, tender on light palpation in
RIF, no mass/guarding, bowel sounds active, no abdominal distension
- PR: empty rectum, no mass/tenderness, fresh blood
• GCS: 15
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Differential Diagnosis
• Flare up of Crohn’s
• Infective aetiology ie gastroenteritis
• Evidence of obstruction at terminal ileum
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Investigations
• Blood tests: FBC and Film, ESR, CRP, LFT, ALB
• Stool cultures
• Biopsy: histology
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Investigations (cont..)
• Radiology & imaging: Small bowel meal, Abdominal ultrasound, CT, Radionucleotide scans (WCC Scan), Plain abdominal x-ray
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Management of Miss X
• 1L saline + dextrose stat
• I/v hydrocortisone, 100mg qds
• I/v antibiotic - metronidazole
• I/v cyclosporin, 35mg over 6hrs
• Oral cyclosporin
• consider Azathioprine prior to discharge
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Crohn’s Disease
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Definition
A chronic inflammatory conditionMay affect any part of the GIT – from
mouth anusCommon sites: terminal ileum
ascending colon
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Epidemiology
• Affects ~ 5-6 / 100 000 annually
• Prevalence 27-106 / 100 000
• M : F = 1 : 1.2
• Mean age = 26
• Commoner in the West
• More prone to Jews than non-Jews
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Aetiology
• Familial
• Genetic
• Smoking
• Infective agent
• Endogenous bacteria
• Immunopathogenesis
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Pathology
Macroscopic changes:
• Small bowel involved
– thickened + narrowed
– discontiuous involvement (ie skip lesion)
– deep ulcers + fissures cobblestone appearance in mucosa
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Pathology (cont..)
Macroscopic changes:
• Large bowel involved
– fistulae + abscesses
– early: aphthoid ulceration;
later: larger & deeper ulcers in a patchy distribution cobblestone appearance in mucosa
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Pathology (cont..)
Microscopic changes:
• Inflammation extends thr’ all layers of the bowel (transmural)
• Chronic inflammatory cells, esp elicit TH1 response
• Granulomas are present in 50-60% pt
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Classification
Severity is hard to assess
Severe symptoms inc:• pyrexia • pulse• ESR• > x6 bowel movement
• CRP• WCC• albumin
may need hospitalisation
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Clinical Features
• Diarrhoea
• Abdominal pain – in R iliac fossa
• Weight loss, ie sign of malabsorbtion
• Present of abdo mass
• Perianal lesions
• Constitutional symptoms: malaise, lethargy, anorexia, vomiting, pyrexia
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Clinical Features (cont..)
Non-GI manifestations of Crohn’s:
• Eyes – uveitis, conjunctivities
• Joints – *arthritis, *AS
• Skin – erythema nodosum
• *Liver – fatty change, cirrhosis
• Venous thrombosis
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Anal and perianal complications of Crohn’s disease
• Fissure (multiple and indolent)
• Haemorrhoids
• Skin tags
• Perianal abscess and ischiorectal abscess
• Fistula (maybe multiple)
• Anorectal fistulae
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Disease activity
This can be assessed using simple parameter, such as Hb, WCC, CRP, and serum albumin and daily abdo XR
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Medical management
Induction of remission:
• Aminosalicylates (asacol/pentasa)
• Oral or iv glucocorticoids
• Enteral nutrition
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Medical management (cont..)
Maintenance of remission:
• Aminosalicylates
• Azathioprine, 6MP, Mycophenolate mofetil
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Medical management (cont..)
Rx of glucocorticosteriod / immunosuppressive therapy-resistant disases:
• Infliximab (TNF antibody)
• I/v cyclosporin
• Methotrexate
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Medical management (cont..)
Perianal disease:
• Ciprofloxacin and metronidazole
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Surgical management
Indications for surgery are:
• Failure of medical therapy, with acute or chronic symptoms producing ill-health
• Complications e.g. toxic dilatation, obstruction, perforation, abscesses, enterocutaneous fistula
• Failure to grow in children
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Surgical options
• Stricturoplasty
• Subtotal colectomy and ileorectal anastomosis
• Panproctocolectomy with an end ileostomy
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Problems associated with ileostomies
• Mechanical problems
• Dehydration
• Psychosexual issues
• Infertility in men
• Recurrence of Crohn’s disease
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