La manometria esofagea ad alta risoluzione · Chicago Classification (v3.0) International High...
Transcript of La manometria esofagea ad alta risoluzione · Chicago Classification (v3.0) International High...
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Esophageal Diseases Center University of Padova
La manometria esofagea ad alta risoluzione
Dott. Renato Salvador University of Padova
Department of Surgical, Oncological and Gastroenterological Sciences Clinica Chirurgica 3
Policlinico Universitario di Padova School of Medicine, Padova, Italy
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Esophageal Diseases Center University of Padova
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Esophageal Diseases Center University of Padova
Conventional Manometry
High Resoution Manometry
HRM
CM
10 min 30 min
p < 0.0001
procedure time
High Resolution Manometry: mean procedure time 8 min 13 sec (range 6’49 – 11’01)
Conventional Manometry: mean procedure time 33 min 45 sec (range 20’19 – 55’10)
Salvador R, Peters JH et al, Journal of American College of Surgeon. Jun 2009
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Esophageal Diseases Center University of Padova
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Esophageal Diseases Center University of Padova
High Resolution Manometry: mean procedure time 31 min (range 22 – 39)
Conventional Water perfusion: mean procedure time 42 min (range 36 – 48) p<0.05
Sadowski DC, Broenink L, Can J Gastroenterology 2008
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Esophageal Diseases Center University of Padova
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Esophageal Diseases Center University of Padova
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Esophageal Diseases Center University of Padova
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Esophageal Diseases Center University of Padova
IRP: Mean EGJ pressure measured with an
electronic equivalent of a sleeve sensor for 4
contiguous or non-contiguous seconds of
relaxation in the ten second window following
deglutitive UES relaxation.
Normal value: < 15mmHg
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Esophageal Diseases Center University of Padova
DCI: Amplitude x duration x length (mmHg‐s-
cm) of the distal esophageal contraction greater
than 20 mmHg from proximal (P) to distal (D)
pressure troughs.
Normal value: < 5000 mmHg-s-cm
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Esophageal Diseases Center University of Padova
CDP: The inflection point along the 30 mmHg isobaric contour where propagation velocity slows demarcating the tubular esophagus from the phrenic ampulla
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Esophageal Diseases Center University of Padova
DL (sec): Interval between UES relaxation and the CDP
Normal value: > 4.5 sec
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Esophageal Diseases Center University of Padova
CFV (cm/s): Slope of the tangent approximating the 30 mmHg isobaric contour between P and the CDP
Normal value: < 9 cm/s
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Esophageal Diseases Center University of Padova
J. Pandolfino et al. American Journal of Gastroenterology 2007
Lower Esopagheal Sphincter
EGJ: Esophageal Gastric Junction
Is a complex sphincter with both intrinsic (LES) and extrinsic (Crura Diaphragm)
contractile element
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Esophageal Diseases Center University of Padova
Malposizionamento del catetere Catetere arrotolato – Mirror effect Deglutizioni multiple
Mancanza della termocompensazione Effetto del copricatetere
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Esophageal Diseases Center University of Padova
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Esophageal Diseases Center University of Padova
Chicago Classification (v3.0)
International High Resolution Manometry Working Group. The Chicago Classification of esophageal motility disorders, v3.0. Neurogastroenterol Motil. 2015
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Esophageal Diseases Center University of Padova
139 consecutive achalasia patients underwent pre-operative HRM and Laparoscopic Heller-Dor
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Esophageal Diseases Center University of Padova
• All patients had absence of normal peristalsis, but 11/139 (10.9%)
had an IRP <15 mmHg
• All 11 patients had a barium swallow showing a grade I-II disease and a
endoscopy negative for other diseases
• All patients had a positive final outcome after LHM
Salvador R, Savarino E, Costantini M, et al (Journal Gastrointestinal Surgery ; Jan 2016)
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Esophageal Diseases Center University of Padova
Salvador R, Savarino E, Costantini M, et al (Journal Gastrointestinal Surgery ; Jan 2016)
p = 0.01
IRP: 25.1 mmHg (IQR 17.3- 31.1)
IRP: 29 mmHg (IQR 22.8- 37.9)
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Esophageal Diseases Center University of Padova
Type I no distal esophageal pressurization >
30 mmHg in > 8/10 swallows
Type II at least 2 test swallows were
associated with panesophageal pressurization > 30 mm Hg
Type III 2 or more spastic
contractions (Pressurization Front Velocity > 8 cm/sec)
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Esophageal Diseases Center University of Padova
Trattamento Autore Pattern 1 Pattern 2 Pattern 3 p-value
Heller-Dor laparoscopica Salvador R, JOGS 2010 85.4% 93.5% 69.6% p<0.001
Dilatazione pneumatica Pratap N, NGM 2011 63% 90% 33.3% p=0.042
POEM Nabi Z, EIO 2017 87.5% 93.5% 75% p=0.05
Heller-Dor vs
Dilatazione pneumatica
Randomized Trial, Rohof, Salvador
Gastroenterology 2013
LHD 81% versus
PD 85%
LHD 93% versus
PD 100%
LHD 86% versus
PD 40% p<0.01
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Esophageal Diseases Center University of Padova
Trattamento Autore Pattern 1 Pattern 2 Pattern 3 p-value
Heller-Dor laparoscopica Salvador R, JOGS 2010 85.4% 93.5% 69.6% p<0.001
Dilatazione pneumatica Pratap N, NGM 2011 63% 90% 33.3% p=0.042
POEM Nabi Z, EIO 2017 87.5% 93.5% 75% p=0.05
Heller-Dor vs
Dilatazione pneumatica
Randomized Trial, Rohof, Salvador
Gastroenterology 2013
LHD 81% versus
PD 85%
LHD 93% versus
PD 100%
LHD 86% versus
PD 40% p<0.01
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Esophageal Diseases Center University of Padova
Achalasia Type I: No contractility Type II: ≥20% PEP Type III: >20% spasm (DL<4.5s)
IRP ≥ ULN and 100% failed peristalsis or spasm
Yes Disorders with EGJ
outflow obstruction
1
EGJ Outflow Obstruction Incomplete achalasia Mechanical obstruction
IRP ≥ ULN and not Type I-III achalasia
Yes 2
No
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Esophageal Diseases Center University of Padova
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Esophageal Diseases Center University of Padova
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Esophageal Diseases Center University of Padova
4.4 s
6 cm/s
Premature Contraction
2 s
Time (s)
0
5
10
15
20
25
30
35
3.0 cm
Bolus Escape
30 cm/s
Premature Contraction
3.0 s
45 cm/s
2 s
Time (s)
0
5
10
15
20
25
30
35
7.5 cm
150
mmHg
0
100
50
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Esophageal Diseases Center University of Padova
Jackhammer Esophagus
DCI = >8,000
150
mmHg
0
100
50
DCI = 2,371 mmHg-s-cm
DCI = 15,191 mmHg-s-
cm
5 s
0
5
10
15
20
25
30
35
0
5
10
15
20
25
30
35
Jackhammer Esophagus
Time (s) Time (s)
5 s
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Esophageal Diseases Center University of Padova
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Esophageal Diseases Center University of Padova
Achalasia Type I: No contractility Type II: ≥20% PEP Type III: >20% spasm (DL<4.5s)
IRP ≥ ULN and 100% failed peristalsis or spasm
Yes Disorders with EGJ
outflow obstruction
Major disorders of peristalsis
Entities not seen in normal subjects
Minor disorders of peristalsis
Impaired clearance
1
DES ≥ 20% premature (DL<4.5s) Jackhammer esophagus ≥ 20% DCI >8,000 mmHgscm Absent Contractility No scorable contraction Consider achalasia
IRP normal and Low DL or high DCI or 100% failed peristalsis
Yes 3
No
EGJ Outflow Obstruction Incomplete achalasia Mechanical obstruction
IRP ≥ ULN and not Type I-III achalasia
Yes 2
No
Ineffective Motility (IEM) >50% ineffective swallows Fragmented peristalsis >50% fragmented swallows
and not ineffective
No
IRP normal and >50% ineffective swallows
4 Yes
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Esophageal Diseases Center University of Padova
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Esophageal Diseases Center University of Padova
Achalasia Type I: No contractility Type II: ≥20% PEP Type III: >20% spasm (DL<4.5s)
IRP ≥ ULN and 100% failed peristalsis or spasm
Yes Disorders with EGJ
outflow obstruction
Major disorders of peristalsis
Entities not seen in normal subjects
Minor disorders of peristalsis
Impaired clearance
1
IRP normal and > 40% effective swallows
5 No
DES ≥ 20% premature (DL<4.5s) Jackhammer esophagus ≥ 20% DCI >8,000 mmHgscm Absent Contractility No scorable contraction Consider achalasia
IRP normal and Low DL or high DCI or 100% failed peristalsis
Yes 3
No
EGJ Outflow Obstruction Incomplete achalasia Mechanical obstruction
IRP ≥ ULN and not Type I-III achalasia
Yes 2
No
Ineffective Motility (IEM) >50% ineffective swallows Fragmented peristalsis >50% fragmented swallows
and not ineffective
No
IRP normal and >50% ineffective swallows
4 Yes
Normal Yes
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Esophageal Diseases Center University of Padova
• Defective Lower Esoghageal Sphincter (Deficit meccanico del SEI)
• Low LES Basal Pressure - Ridotta pressione basale del SEI
• Short LES total length - Ridotta lunghezza totale del SEI
• Short LES abdominal length - Ridotta lunghezza addominale del SEI
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Esophageal Diseases Center University of Padova
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Esophageal Diseases Center University of Padova
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Esophageal Diseases Center University of Padova
Evidence of Hernia: 2 distal high pressure zones are identified in 33 pts
Confirmation of a hiatal hernia was present: • in 30/33 pts (91%) on upper endoscopy • in 17/21 (81%) on video barium swallow
Salvador R, Peters JH et al, Journal of American College of Surgeon. Jun 2009
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Esophageal Diseases Center University of Padova
Salvador R, Peters JH et al, Journal of American College of Surgeon. Jun 2009
Structurally defective LES: 53 pts Short total length: 39 pts (73.6%) Short abdominal length: 31 pts (58.5%) Low resting pressure: 15 pts (28.3%)
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Esophageal Diseases Center University of Padova
Salvador R, Peters JH et al, Journal of American College of Surgeon. Jun 2009
Structurally defective LES Proof of GERD (pH positive, Barrett or esophagitis): 93%
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Esophageal Diseases Center University of Padova
Manometria convenzionale High Resolution Manometry HRM 3D
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Esophageal Diseases Center University of Padova