oral medicine in advanced cancer · salivary gland infections systemic infections secondary to oral...
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Oral medicine in advanced cancerDR ANDREW DAVIES FRCPROYAL SURREY COUNTY HOSPITAL, GUILDFORD, UK
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Overview
Epidemiology Clinical features Principles of management
Salivary gland dysfunction (BRON) (Oral mucositis)
Conclusion (case)
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Introduction
Parkinson’s disease: xerostomia – 55%; loose dentures – 31%; soregums – 23%; ulcers – 17%; bleeding gums – 12%, burning sensation –10%; loose teeth – 8%; sore teeth – 5%
Clifford & Finnerty, 1995
Multiple sclerosis: orofacial paraesthesia – 37%; orofacial pain – 30%;taste disturbance – 23%; orofacial muscle spasm/palsy – 17%;difficulty chewing – 8%
Fabiano, 1983
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Epidemiology
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Statistics
“While the individual man is an insoluble puzzle, in the aggregate hebecomes a mathematical certainty. You can, for example, neverforetell what any one man will be up to, but you can say with precisionwhat an average number will be up to. Individuals vary, butpercentages remain constant. So says the statistician”.
Arthur Conan Doyle
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Statistics
“The average human has one breast and one testicle”.
Des McHale
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OASis study
Observational study
250 patients with advanced cancer
Oral Symptom Assessment Scale (cf MSAS)- 20 oral symptoms- presence- frequency, severity, bothersomeness
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OASis study
≥ 1 oral symptom – 97.6% patient
Median number oral symptoms – 5
Range number oral symptoms – 1 to 18
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OASis studySymptom Frequency (%)
Dry mouth 83.5%Taste disturbance 55.5%Coating tongue 47.0%Lip discomfort 38.5%Dirty mouth 35.0%Difficulty swallowing 34.5%Lip cracking 34.0%Mouth discomfort 30.5%Difficulty speaking 27.0%Difficulty chewing 22.5%
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OASis studySymptom Frequency (%)
Mouth corner cracking 22.5%Sensitive teeth 21.0%Mouth ulcers 17.0%Bad breath 16.5%Jagged teeth 16.5%Altered sensation 11.0%Denture fitting problems 10.5%Toothache 10.0%Burning sensation 9.5%Bleeding mouth 7.5%
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OASis study
Dry mouth (xerostomia): 209 / 250 patients (83.5%)
“Rarely” – 9.1%; “occasionally” – 18.7%; “frequently” – 38.8%; “almostconstantly” – 33.5%
“Slight” – 23.1%; “moderate” – 40.9%; “severe” – 26.4%; “very severe”– 9.6%
“Not at all” – 18.2%; “A little bit” – 30.1%; “quite a bit” – 19.1%;“somewhat” – 20.6%; “very much” – 12.0%
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OASis study
Bad breath (halitosis): 41 / 250 patients (16.5%)
“Rarely” – 7.3%; “occasionally” – 29.3%; “frequently” – 46.3%; “almostconstantly” – 17.1%
“Slight” – 22.0%; “moderate” – 53.7%; “severe” – 19.5%; “very severe”– 4.9%
“Not at all” – 4.9%; “A little bit” – 34.2%; “quite a bit” – 22.0%;“somewhat” – 26.8%; “very much” – 12.2%
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Clinical features
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Clinical features
What’s “normal”?
What’s “abnormal”?
Clinical variants
Special circumstances
(e.g. immunosuppression)
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Clinical features
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Clinical features
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Clinical features
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Clinical features
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Clinical features
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Clinical features
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Clinical features
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Principles of management
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Multidisciplinary working
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Evidence-based medicine
Systematic reviews
Randomised controlled trials
Cohort studies
Case control studies
Case series, case reports
Expert opinion
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Evidence-based medicine
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Evidence-based medicine
“We believe that this logical approach to mouth care is more effectivethan the anecdotal remedies suggested by Regnard et al. Was therecommendation to use gin a misprint*?”
Lucas & Roberts, 1998
*”Semifrozen tonic water and gin” recommended for treatment of drymouth
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Evidence-based medicine
“Dry mouth may be relieved by good mouth care and measures suchas chewing sugar-free gum, sucking ice or pineapple chunks, or theuse of artificial saliva; dry mouth associated with candidiasis can betreated by oral preparations of nystatin or miconazole, alternatively,fluconazole can be given by mouth”.
BNF, October 2016
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Evidence-based medicine
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Evidence-based medicine
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Principles of management
Screening
Prevention*
Treatment
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Principles of management
Assessment
Treatment- definitive- symptomatic
Re-assessment
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Oral hygiene
Maintenance of normal oral hygiene measures
Management of contributing factors (e.g. fatigue, depression)
Management of salivary gland dysfunction
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Oral hygiene
Toothbrushing – twice daily Interdental cleaning – once daily Denture cleaning – once daily (night) Oral mucosa cleaning – after each meal (Tongue scraping)
(Chlorhexidine – difficulties with mechanical control of dental plaque)
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Salivary gland dysfunction
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Salivary gland dysfunction
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Salivary gland dysfunctionClass of molecule Specific molecules
Electrolytes Ammonia, bicarbonate, calcium, chloride, fluoride,
iodide, magnesium, phosphates, potassium, sodium, sulphates, thiocyanate
Small organic molecules Creatinine, glucose, nitrogen, sialic acid, urea, uric acid
Large organic molecules Albumin, amylase, ß-glucuronidase, carbohydrases, cystatins, epidermal growth factor, esterases, fibronectin, gustin, histatins, immunoglobulin A, immunoglobulin G, immunoglobulin M, kallikrein, lactic dehydrogenase, lactoferrin, lipase, lipids, lysozyme, mucins, nerve growth factor, parotid aggregins, peptidases, phosphatases, proline-rich proteins, ribonucleases, salivary peroxidases, tyrosine-rich proteins, vitamin-binding proteins
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Salivary gland dysfunction
Category ExamplesGeneral problems Oral discomfort
Lip discomfortCracking of lips
Eating-related problems AnorexiaTaste disturbanceDifficulty chewingDifficulty swallowingDecreased intake of nutrition
Speech-related problems Difficulty speaking
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Salivary gland dysfunction
Category ExamplesOral hygiene Poor oral hygiene
HalitosisOral infections Oral candidosis
Dental cariesPeriodontal diseaseSalivary gland infections
Systemic infections Secondary to oral infection (e.g. pneumonia, septicaemia)
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Salivary gland dysfunctionCategory ExamplesDental/denture problems Dental erosion
(leading to dental sensitivity/trauma to oral mucosa)Poorly fitting dentures (leading to trauma to oral mucosa)
Psychosocial problems EmbarrassmentAnxietyDepressionSocial isolation
Miscellaneous problems Sleep disturbanceDifficulty using oral transmucosal RxOesophagitisUrinary frequency / nocturia
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Salivary gland dysfunction
“Earlier before this I used to participate in choir singing, nowadays Ican’t sing at all because my voice is so weak, my vocal cords are sodry and I am afraid to ‘lose my head’, so I don’t participate at all, Iavoid all these things and prefer staying at home. I feel sorry anddepressed”
Rydholm, 2002
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Salivary gland dysfunction
Management: Prevention Treatment of cause Symptomatic treatment Prevention complications Treatment complications
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Salivary gland dysfunction
Symptomatic treatment Saliva substitutes Saliva stimulants Combination
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Salivary gland dysfunction
Saliva substitutes:
– water
– “artificial saliva”
– others substances, e.g. cows milk,vegetable oil
Treat xerostomia
Minimal effect other symptomsSGD
Short duration of effect
Local /systemic adverse effects
[Acidic]
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Salivary gland dysfunction
Saliva stimulants:
– organic acids
– sugar free chewing gum
– parasympathomimetics, e.g. pilocarpine
– other substances, e.g. sugar free mints
– acupuncture
Treat xerostomia
Treat other symptoms SGD
Greater efficacy / patientpreference
Local / systemic adverse effects
[Acidic]
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BRON
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BRON
Prevalence BRON All studies – 6.1% Documented follow up – 13.3% Undocumented follow up – 0.7% Epidemiologic studies – 1.2%
Oral Care Study Group of MASCC / ISOO, 2010
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BRON
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BRON
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BRON 50
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BRON
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Oral mucositis
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Oral mucositis
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Oral mucositis
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Oral mucositis
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Conclusion
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Case
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Case
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Oral complications
“Oral problems are common in cancer patients, and are a significantcause of morbidity and impaired quality of life in this group of patients.Moreover, in some patients they can prevent administration ofpotentially life-saving treatment, whilst in other patients they canthemselves cause potentially life-threatening complications”.
Oral complications of cancer and its management, 2010
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Oral complications
“Oral problems are usually predictable, and may be prevented orameliorated by appropriate interventions. However, even when it is notpossible to prevent the oral problem, it is usually possible to treat /palliate the oral problem (and so to prevent or ameliorate theassociated complications)”.
Oral complications of cancer and its management, 2010