st mary’s hospital ent department founded by joseph toynbee in 1851 rhinology teaching topics for...
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St Mary’s Hospital ENT Department
Founded by Joseph Toynbee in 1851
Rhinology
Teaching Topics for Mary’s MedicsSteve Lewis
2003/4
St Mary’s Hospital ENT Department
Founded by Joseph Toynbee in 1851
Physiology
• Filtration (hairs/mucus/cilia)• Warming (30C)• Humidification• Olfaction• Vocal resonance
St Mary’s Hospital ENT Department
Founded by Joseph Toynbee in 1851
Anatomy (outside)
• Bony upper 1/3• Cartilage lower 2/3
• Alar• L Lat• U Lat
St Mary’s Hospital ENT Department
Founded by Joseph Toynbee in 1851
Anatomy (cavity)
• Septum• Turbinates (x3)• Ciliated epithelium
• Sinus drainage to around middle turbinate
St Mary’s Hospital ENT Department
Founded by Joseph Toynbee in 1851
Anatomy (sinuses)
• Anterior drain to middle meatus– Frontal– Maxillary– Ant Eth
• Posterior drain superior meatus/sphenoethmoidal recess– Post Eth– Sphenoidal
St Mary’s Hospital ENT Department
Founded by Joseph Toynbee in 1851
Blood Supply
• Very extensive anastamoses• Int Carotid & Ext Carotid branches
• Ethmoidal arteries above MT• Sphenopalatine/Palatine/Labial below MT
• Little’s Area• Kiesselbach’s plexus
St Mary’s Hospital ENT Department
Founded by Joseph Toynbee in 1851
Examination
• Point to yourself!
• Rigid scope (0/30/90)• Flexi ‘scope
St Mary’s Hospital ENT Department
Founded by Joseph Toynbee in 1851
Epistaxis
• ABC– Hx Ex Ix as you go– Basic first aid– Bloods (FBC/G&S/INR/U)– Fluids
– Consider co-morbidity in the elderly
St Mary’s Hospital ENT Department
Founded by Joseph Toynbee in 1851
Epistaxis
• Find the bleeder and cauterise it• Pack the nose
– merocel uni/bi lateral– BIPP– Foley catheter and BIPP
• Cautery or packing under GA• Ligation of feeding vessels (EC if necessary)
• Antibiotics if pack staying >24hrs• Naseptin when settled
St Mary’s Hospital ENT Department
Founded by Joseph Toynbee in 1851
Trauma
• # Nasal bones (not urgent)– see in 1/52– MUA in 2/52– Rhinoplasty >3/52
• Septal haematoma (URGENT)– prompt drainage– poor cosmetic result possible
St Mary’s Hospital ENT Department
Founded by Joseph Toynbee in 1851
Obstruction
• Congenital/Acquired• Deviated septum• Rhinitis• Polyps• Foreign body• Neoplasia
St Mary’s Hospital ENT Department
Founded by Joseph Toynbee in 1851
Rhinitis• Allergic (10-20% people)
– Obstruction Type I hypersensitivity– Vasodilatation IgE & Mast Cells– Oedema– sneezing
• Discover and avoid allergen• Prevent swelling/oedema• Stabilise mast cells
– MEDICAL problem with treatment, not cure
St Mary’s Hospital ENT Department
Founded by Joseph Toynbee in 1851
Rhinitis
• Intrinsic (10-15% population)
– Obstruction– Vasodilatation– Oedema– sneezing
• Imbalance of ANS supply to mucosa• PNS overrides SNS• watery rhinorrhoea
St Mary’s Hospital ENT Department
Founded by Joseph Toynbee in 1851
Rhinitis
• Medicamentosa
• OTC decongestants are usually designed for short term use
• Like heroin• Very difficult vicious circle to break free from
St Mary’s Hospital ENT Department
Founded by Joseph Toynbee in 1851
Polyps
• Inflammatory origin most common– neoplastic– CF– idiopathic
• Aspirin/Asthma/Obstruction• Hx Ex Ix• Steroids/Surgery• Recurrence
St Mary’s Hospital ENT Department
Founded by Joseph Toynbee in 1851
Acute Sinusitis
• Inflammation of the MM lining the paranasal sinuses• May be in conjunction with CAUSATIVE FACTOR
• Medical Rx resolves most:
– Analgesia– Decongestants– Steam– Antibiotics
• Surgical Rx includes sinus washout
St Mary’s Hospital ENT Department
Founded by Joseph Toynbee in 1851
Chronic Sinusitis
• Retained secretions– blocked nose– frequent acute episodes– sinofacial pain
• Take careful pain history before diagnosis• Visualise drainage system by CT• FESS
St Mary’s Hospital ENT Department
Founded by Joseph Toynbee in 1851
Nasopharyngeal Carcinoma
• High incidence in those of Eastern origin– Hong Kong boat people (male)
• Associated with:– Dried, salted, smoked fish– EBV– Genetic
• Radiotherapy• Little place for surgery (not curative)
St Mary’s Hospital ENT Department
Founded by Joseph Toynbee in 1851
Foreign Bodies
• Pictures of FBs
St Mary’s Hospital ENT Department
Founded by Joseph Toynbee in 1851
Cosmetics
• Pictures of septorhinoplasty
• Pictures of facial proportions
• Grades of uglyness