RHINOSINUSITIS DANIEL W. TODD, M.D. MIDWEST ENT FORM AND FUNCTION FORM (ANATOMY)FUNCTION...

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Transcript of RHINOSINUSITIS DANIEL W. TODD, M.D. MIDWEST ENT FORM AND FUNCTION FORM (ANATOMY)FUNCTION...

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RHINOSINUSITIS

DANIEL W. TODD, M.D.

MIDWEST ENT

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FORM AND FUNCTION

FORM (ANATOMY) FUNCTION (PHYSIOLOGY)

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ANATOMY (FORM)

EXTERNAL NOSE (NASAL PYRAMID)

NASAL CAVITY (SEPTUM & TURBINATES)

PARANASAL SINUSES

NASOPHARYNX

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ANATOMY

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PHYSIOLOGY (FUNCTION)

NASAL PASSAGESBREATHING

WARMING

FILTERING

HUMIDIFYING

OLFACTION (SENSE OF SMELL)

RESISTANCE

SINUSESLIGHTEN THE SKULL

MUCOUS PRODUCTION

HUMIDIFICATION

PROTECT FROM FALCIAL TRAUMA

PROTECT NASAL BAROTRAUMA

VOCAL RESONANCE

ENHANCE OLFACTION

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Rhinosinusitis

Rhinosinusitis is the preferred terminology as you rarely have the sinusitis without the rhinitis.

The term is then further defined by the duration of the inflammation

ACUTE – LESS THAN 4 WEEKS

CHRONIC-MORE THAN 12 WEEKS

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Rhinosinusitis

A GROUP OF DISORDERS CHARACTERIZED BY INFLAMMATION OF THE MUCOSA OF THE NOSE AND PARANASAL SINUSES

THERE IS NO CRITERIA BASED ON ETILOGY

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RHINOSINUSITIS

REALLY AN IMFLAMMATORY DISORDER

NEED TO STOP THINKING OF IT AS SOLEY AN INFECTION

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RHINOSINUSITIS---HOW DO YOU GET IT

INFLAMMATION---BLOCKING OF THE OSTIA—DIMINISHED PH---MUCOCILIARY DYSFUNCTION----STAGNATION OF SECRECTIONS---OVERGROWTH OF BACTERIA OR FUNGUS

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RHINOSINUSITIS

INFLAMMATION CAUSED BY: VIRUS, ALLERGEN, IRRITANT, BACTERIA, FUNGUS

OMC: AREA OF RELATIVELY TIGHT ANATOMY

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RHINOSINUSITIS

60-90% OF SURGICAL PTS HAVE SIGNIFICANT ALLERGIES ON SKIN TESTING

THE MUCOSAL SPECIMENS ON ALL SURGICAL PTS DEMONSTRATE ALLERGIC INFLAMMATION

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SUPERANTIGEN HYPOTHESIS

HIGH MOLECULAR WEIGHT PYROGENIC PROTEINS

ELICIT EXTREMELY POTENT STIMULATORY EFFECT ON T-LYMPHOCYTES

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SUPERANTIGENS

BACTERIA (staph aureus, pseudomas, H influenza)

FUNGI (Molds, Candida, Bipolaris, Alternaria, Aspergillosis)

Allergens (Conventional and Bacterial antigens)

Irritants

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SUMMARY

RHINOSINUSITIS IS AN INFLAMMATORY DISORDER OF THE NASAL PASSAGES AND PARANASAL SINUSES

IT’S ETIOLGY CAN BE EITHER INFECTIOUS (VIRAL, BACTERIAL, FUNGAL OR PARASITIC) OR NON-INFECTIOUS (ALLERGY, IRRITANT)

MAY HAVE ANATOMIC PREDISPOSITIONS

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RHINOSINUSITIS

HOW DO YOU DIAGNOSE IT?

HOW DO YOU TREAT IT?

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DIAGNOSIS

HISTORY

PHYSICAL

ENDOSCOPY

CT SCAN

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DIAGNOSIS

MAJOR FACTORS

FACIAL PAIN/PRESSURE

NAO

DISCHARGE

HYPOSMIA

PURULENCE

FEVER

MINOR FACTORS

HEADACHE

FEVER

HALITOSIS

FATIGUE

DENTAL PAIN

COUGH

AURAL PAIN/FULLNESS

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MAXIMAL MEDICAL THERAPY

SALINE (SPRAY/IRRIGATIONS)—HYPERTONIC?

DECONGESTANTS (TOPICAL/SYSTEMIC)

MUCOLYTICS

STEROIDS (TOPICAL/SYSTEMIC)

ANTIHISTAMINES (TOPICAL/SYSTEMIC)

REFLUX THERAPY?

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MAXIMAL MEDICAL

LEUKOTRIENE INHIBITORSANTIBIOTICS (TOPICAL/SYSTEMIC)USUALLY START TREATMENT

EMPIRICALLY---TREAT AT LEAST 1 WEEK PAST THE RESOLUTION OF SYMPTOMS (OFTEN 20 DAYS)

SINUNEB—IRRIGATIONSCHRONIC---LOW DOSE CHRONIC

BIAXIN

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ALLERGY

THE NOSE IS THE TARGET ORGAN FOR AEROALLERGENS, IRRITANTS, AND DEBRIS.

TOPICAL THERAPIES AND NASAL RINSES ARE PARAMOUNT.

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ALLERGY

ALLERGY TESTING AND TREATMENT IS NEVER A BAD IDEA PRIOR TO SURGERY

IDT IS THE MOST SENSITIVE AND SPECIFIC METHOD OF ALLERGY TESTING

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SURGERY

THE CHRONIC INFLAMMATION FROM ALLERGIES AND INFECTIONS CAN LEAD TO ANATOMIC CHANGES SINONASAL INFECTION IS A RELATIVE TERMMOST MUCOSAL PROBLEMS ARE REVERSIBLESINUS SURGERY IS PLAN C

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SINUS SURGERY

WE DO IT BETTER---UTILILIZE LASERS, ENDOSCOPES, TV MONITORS, MICRODEBIDERS, COMPUTER GUIDANCE SYSTEMS----STILL A DRAINAGE PROCEDURE

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FUNCTIONAL

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IMAGE GUIDED

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LASER AND POWERED

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MINIMALLY INVASIVE

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CONCEPTS

THE MOST HIGHLY TRAINED SINUS SURGEON IS A BOARD CERTIFIED OTOLARYNGOLOGIST (IN SINUS SURGERY THE MORE RECENTLY TRAINED THE BETTER)

THERE IS NO SUCH THING AS A SINUS SPECIALIST ALTHOUGH FELLOWSHIPS ARE EMERGING

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CONCEPTS

SINUS SURGERY IS ALMOST NEVER AN EMERGENCY

PATIENTS WHO HAVE BEEN LURED IN BY DIRECT ADVERTISING SHOULD BE LESS LIKELY TO REQUIRE URGENT SURGERY THAN THE REFERRED PATIENT

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NASAL CYCLE

LARGELY A FUNCTION OF THE INFERIOR TURBINATE

INFERIOR TURBINATE FULL OF VENOUS LAKES----SWELLS AND DECONGESTS

ALTERNATES SIDES---ON THE ORDER OF HOURS---PROBABLY ALLOWS THE NOSE TO CLEAN ITSELF

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