Laryngopharyngeal Reflux (LPR) - uep.phoniatrics.eu · Gastroesophageal reflux (GER) is defined as...
Transcript of Laryngopharyngeal Reflux (LPR) - uep.phoniatrics.eu · Gastroesophageal reflux (GER) is defined as...
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Laryngopharyngeal Reflux (LPR)
Tamer Mesallam MD, PhD.
Assistant Professor of Voice and Swallowing DisordersOtolaryngology Department, Faculty of Medicine,
King Saud University
Tamer Mesallam MD, PhD.
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GERD vs. LPRD
Tamer Mesallam MD, PhD.
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GERD
Gastroesophageal reflux (GER) is defined as the upward movement of the gastric contents into the esophagus.
Pathologic gastroesophageal reflux or GERD is differentiated from physiologic reflux that occurs in normal subjects by presence of symptoms or complications.
Tamer Mesallam MD, PhD.
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LPR
Definition
LPR is the result of retrograde flow of gastric contents to the laryngopharynx, where it comes in contact with tissues of the upper aerodigestive tract.
Tamer Mesallam MD, PhD.
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Incidence & Prevalence of LPR
10% of patients presenting to an otolaryngologist’s office.
Variable prevalence around the world, with an average rate of 10-20%.
Stanghellini V. 1999
Dent J, El-Serag HB, Wallander MA, et al. 2005
Prado J, Moraes-Filho P. 2004
Bor S, Mandiracioglu A, Kitapcioglu G, et al. 2005
Tamer Mesallam MD, PhD.
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Pathophysiology of LPR
Tamer Mesallam MD, PhD.
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LPR barriers
-LES
-Esophageal motor function with acid clearance.
-Esophageal mucosal resistance.
-UES.
Tamer Mesallam MD, PhD.
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Pathophysiology of LPRD
- Direct contact of aspirated gastric refluxatewith the upper airway.
- Vagovagal reflex.
Tamer Mesallam MD, PhD.
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Pathophysiology of LPR
Tamer Mesallam MD, PhD.
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Presentations
Tamer Mesallam MD, PhD.
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Classifications of GERD
Montreal Classification of GERD. Vakil N, van Zanten SV, Kahrilas P, et al. 2006
Tamer Mesallam MD, PhD.
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LPR manifestations
Reflux-induced cough
Reflux-induced laryngitis
Reflux-induced asthma
Reflux-induced chocking
Tamer Mesallam MD, PhD.
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Reflux-induced cough
- Occurs during day - Upright position
- During phonation - When rising from bed
- Associated with eating
Tamer Mesallam MD, PhD.
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Reflux-induced laryngitis
- Dysphonia - Throat pain
- Globus sensation - Excessive mucous
- Frequent throat clearing - Voice fatigue
- Difficulty swallowing
Tamer Mesallam MD, PhD.
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LPR manifestations (cont.)
LPR Signs
- Contact ulcer - Posterior laryngitis
-Granuloma - Laryngeal stenosis
-Sub-glottic edema (pseudo-sulcus)
Tamer Mesallam MD, PhD.
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What are the signs of LPR?
Tamer Mesallam MD, PhD.
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Laryngoscopy in normal subjects
105 healthy volunteers
Hicks and Vaize J voice 2002
Inter-arytenoid bar 71%
Arytenoid medial wall erythema 30%
Post. Pharyngeal wall cobblestoning 21%
Tamer Mesallam MD, PhD.
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Laryngoscopic findingsvs.LPR
CONTACT ULCERGRANULOMA
SUBGLOTTIC EDEMA STENOSIS
EDEMA ERYTHEMA
Tamer Mesallam MD, PhD.
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Current practice
Symptomatic patients
+
Laryngoscopy
LPR
Empiric therapy
GI
Non-respondersResponders
pH monitoringEndoscopy
-ENT
Increase doseChange PPIAdd H2RA
Surgery??
Tamer Mesallam MD, PhD.
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What is the enigma?
Failure to recognize true LPR.
Over-diagnosis of LPR.
Tamer Mesallam MD, PhD.
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Assessment of LPR
Tamer Mesallam MD, PhD.
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Diagnosis of LPR
RSI and RFS.
Ambulatory 24-hour double probe pH monitoring.
Multi-channel intra-luminal impedance with pH sensor.
Laryngoscopy and TNE.
Therapeutic trials of PPI.
Immunoassay.
Pharyngeal pH metry.
Tamer Mesallam MD, PhD.
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Reflux Symptom Index (RSI)
>13
Tamer Mesallam MD, PhD.
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Reflux Finding Score (RFS)
>7
Tamer Mesallam MD, PhD.
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Reliability
RSI score = 15RFS score = 3
RSI score = 25RFS score = 14
Mesallam et, al. Ann Oto laryng J, 2006
Tamer Mesallam MD, PhD.
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24-hour double probe
pH monitoring
Tamer Mesallam MD, PhD.
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Wireless pH capsule
Tamer Mesallam MD, PhD.
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Pharyngeal pH metryRestech®
Tamer Mesallam MD, PhD.
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Multi-channel intramural impedance pH metry
Tamer Mesallam MD, PhD.
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Impedance
Time
Impedance Technology Fundamentals
Bolus Entry Bolus Exit
Impedance RingsTamer Mesallam MD, PhD.
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NO! It’s a Coke swallow.
Impedance/pH
Tamer Mesallam MD, PhD.
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Impedance Tracks Bolus Movementvs.
Bolus Entry
Bolus Entry
Bolus Entry
Bolus Entry
Bolus Entry
Swallow
Bolus Entry
Bolus Entry
Bolus Entry
Bolus Entry
Bolus Entry
Bolus Entry
Bolus MovementBolus Movement
Reflux
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20
15
10
5
Impedance Detected Swallow
Tamer Mesallam MD, PhD.
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17
15
9
Impedance Detected Reflux Episode
7
5
3
17
15
9
7
5
3
Tamer Mesallam MD, PhD.
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Different pH metry techniquesConventional pH
monitoringWireless pH monitoring
Impedance pH metry
Catheter Yes No Yes
Tolerability Standard Better Standard
Non-acid reflux No No Yes
Detect Retrograde from ante grade
No No Yes
Prolongedmonitoring
No Yes No
Automated Interpretation
yes Yes Available/manual editing
John E. Pandolfino, Marcelo F. Vela, 2009
Tamer Mesallam MD, PhD.
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Management of LPR
Tamer Mesallam MD, PhD.
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Treatment levels of LPR
LEVEL I - Antireflux Measures
LEVEL II- Medications
LEVEL III- Antireflux Surgery
Tamer Mesallam MD, PhD.
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A. Dietary modification
1. No eating or drinking within 3 hours of bedtime.
2. Avoid overeating or reclining right after meals.
3. No fried food; low fat diet.
4. Avoid coffee, tea, chocolate, mints, and soda pop.
5. Avoid all caffeine-containing foods and drinks.
6. Avoid alcohol, especially in the evening.
7. Avoid any other food that causes problems.
LEVEL I
Tamer Mesallam MD, PhD.
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B. Life-style modification 1. Elevate the head of the bed 4-6 inches. 2. Avoid wearing tight-fitting clothing or belts. 3. If you use tobacco, quit!.
C. Liquid antacids q.i.d.One tablespoon 1 hour after each meal and at bedtime.
LEVEL I (Cont.)
Tamer Mesallam MD, PhD.
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LEVEL II - Medication
A. As level I.
B. Initial Treatment 1. Proton pump inhibitors (PPIs): 20 mg bid for 3
months1. H2-blocker, 150 mg. b.i.d. 2. Prokinetic agents may be also used
C. Escalation for treatment failures1. PPIs: 40 mg bid for 3-6 months 2. H2-blocker 150 mg q.i.d. up to 300 mg. q.i.d.
Tamer Mesallam MD, PhD.
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LEVEL III- Antireflux Surgery
A. As level I, plus one medication on level II
B. Fundoplication.
Tamer Mesallam MD, PhD.
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Symptom improved
Increase dose of PPI
6 month follow up
Symptom resolved
Symptom not
resolved
Titrate PPI therapy
Defenitive assessment:MII (detect reflux)Pharyngeal pH metryTNE (document pathology)
Possible LPR Symptoms
Laryngoscopy RFS>7 RSI> 13
PPI therapy
3 month follow up
Symptom resolved Symptoms unchanged or worse
Titrate PPI therapy
Tamer Mesallam MD, PhD.
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Thank You