laparoscopic vertical sleeve gastrectomy: a novel ... · laparoscopic vertical sleeve gastrectomy:...
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Laparoscopic Vertical Sleeve Laparoscopic Vertical Sleeve GastrectomyGastrectomy: : A Novel A Novel BariatricBariatric Procedure Procedure ––Superior to Established Operations?Superior to Established Operations?
Crystine M. Lee, MD, John J. Feng, MD, FACS, Crystine M. Lee, MD, John J. Feng, MD, FACS, Paul T. Cirangle, MD, FACS, Gregg H. Jossart, MD, FACSPaul T. Cirangle, MD, FACS, Gregg H. Jossart, MD, FACSLaparoscopic Associates of San FranciscoLaparoscopic Associates of San FranciscoCalifornia Pacific Medical CenterCalifornia Pacific Medical CenterSan Francisco, California, USASan Francisco, California, USA
American College of Surgeons American College of Surgeons 9090thth Annual Clinical Congress, New Orleans, LAAnnual Clinical Congress, New Orleans, LA
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BariatricBariatric OperationsOperations
Adjustable gastric band Adjustable gastric band placementplacementGastroplastyGastroplastyRouxRoux--enen--Y gastric bypassY gastric bypassBiliopancreaticBiliopancreatic diversion (BPDdiversion (BPDBPD with duodenal switchBPD with duodenal switch
vertical vertical gastrectomygastrectomy with with duodenal switchduodenal switch
Schematic from the CDCSchematic from the CDC
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Origin of the Laparoscopic VG:Origin of the Laparoscopic VG:Operation Needed for the Operation Needed for the SupermorbidlySupermorbidly ObeseObese
Vertical Vertical GastrectomyGastrectomy & & Duodenal SwitchDuodenal SwitchMorbidity rate of 25Morbidity rate of 25--30%30%
60-80cc Gastric Tube
Gastrectomy
DigestiveJuiceLimb
FoodLimb
CommonChannel
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2nd Stage RGB Duodenal Switch Band removal/RGB
How can we reduce risk, and yet achieve satisfactory How can we reduce risk, and yet achieve satisfactory weight loss in the weight loss in the supermorbidlysupermorbidly obese?obese?Answer: Answer: Staged ProceduresStaged Procedures
1st Stage Vertical Gastrectomy Lap Band®
Final Result RGB VGDS Band-DS
Advantages: Advantages: Reduced operative timeReduced operative time22ndnd stage technically easier after some weight lossstage technically easier after some weight loss
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Methods:Methods:Laparoscopic Vertical GastrectomyLaparoscopic Vertical Gastrectomy
60-80 cc new
stomach pouch
Stomach that is
removed
Starting point 6 cm from Starting point 6 cm from pyloruspylorusStaple along a 32 Fr Staple along a 32 Fr bougiebougieGreater curvature Greater curvature gastrectomy resulting in gastrectomy resulting in a 60a 60--80 cc gastric tube80 cc gastric tubeMethyleneMethylene blue leak testblue leak test
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Postoperative Video Esophagram AfterLaparoscopic Vertical Gastrectomy
GE Junction
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Vertical Gastrectomy with Duodenal Switch (Hess)
Roux-en-Y Gastric Bypass
60-80cc Gastric Tube
Portion ofStomachRemoved
DigestiveJuiceLimb
FoodLimb
CommonChannel
15-20cc Gastric Pouch
Roux-en-Y
Band Around Stomach (inflatable)
Port Placed Below skin to adjust Band
Gastric Band
Methods: Methods: Laparoscopic VG Compared to Band, RGB, DSLaparoscopic VG Compared to Band, RGB, DS
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VGVG(n=68)(n=68)
BANDBAND(n=156)(n=156)
RGBRGB(n=245)(n=245)
41 ± 1141 ± 11 44 ± 1044 ± 10
35 (14%)35 (14%)
142 ± 32142 ± 32
ConversionsConversions 00 00 00 00
14 (5.7%)14 (5.7%)
16 (10%)16 (10%)
92 ± 2392 ± 23‡‡
4 (2.6%)4 (2.6%)
DSDS(n=66)(n=66)
Age (yrs)Age (yrs) 46 ± 1146 ± 11 42 ± 842 ± 8
Sex (male)Sex (male) 19 (28%)19 (28%)†† 5 (8%)5 (8%)
229 ± 43229 ± 43
4 (6.1%)4 (6.1%)
OR Time (OR Time (minsmins)) 102 ± 29102 ± 29‡‡
Pts. with LOS >5Pts. with LOS >5 1 (1.5%)1 (1.5%)
†† P<0.05 versus BAND, RGB, DS‡‡ P<0.05 versus RGB, DS
Comparison:Comparison:Laparoscopic VG Compared to Band, RGB, DSLaparoscopic VG Compared to Band, RGB, DS
Retrospective review from Feb 02 Retrospective review from Feb 02 -- PresentPresentCompared results of 4 operations Compared results of 4 operations
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Results: Postoperative BMIResults: Postoperative BMIAfter Laparoscopic Vertical After Laparoscopic Vertical GastrectomyGastrectomy, Band, Roux, Band, Roux--enen--Y Y Gastric Bypass, Duodenal SwitchGastric Bypass, Duodenal Switch
0
10
20
30
40
50
60
0 1 2 3 4 5 6 9 12
Time Postoperatively (mos)
BM
I (k
g/m
2) VGBANDRGBDS
* P<0.05 vs All
*
*
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Results: Weight LostResults: Weight LostAfter Laparoscopic Vertical After Laparoscopic Vertical GastrectomyGastrectomy, Band, Roux, Band, Roux--enen--Y Y Gastric Bypass, Duodenal SwitchGastric Bypass, Duodenal Switch
0
20
40
60
80
100
120
140
0 1 2 3 4 5 6 9 12
Time Postoperatively (mos)
Wei
ght
Lost
(lb
s)
VGBANDRGBDS
* P<0.05 vsAll
*
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VGVG(n=68)(n=68)
BANDBAND(n=156)(n=156)
RGBRGB(n=245)(n=245)
1.3%1.3% 3.3%3.3%
6.4%6.4%
Major Major ComplicationsComplications
1.5%1.5% 2.6%2.6% 6.5%6.5% 22.7%22.7%‡‡
15.1%15.1%
2.6%2.6%
3.8%3.8%††
DSDS(n=66)(n=66)
NonNon--op Readmitsop Readmits 1.5%1.5% 6.1%6.1%
16.6%16.6%‡‡
28.8%28.8%‡‡
ReoperationsReoperations 00††
Total Total ComplicationsComplications
5.9%5.9%††
Readmits, Readmits, ReopsReops, Complications:, Complications:After Laparoscopic Vertical After Laparoscopic Vertical GastrectomyGastrectomy, Band, Roux, Band, Roux--enen--Y Y Gastric Bypass, Duodenal SwitchGastric Bypass, Duodenal Switch
‡‡ P<0.05 versus All †† P<0.05 versus RGB
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Summary:Summary:Laparoscopic Vertical Laparoscopic Vertical GastrectomyGastrectomy
Compared to RGB, DS:Compared to RGB, DS:Purely restrictive, no Purely restrictive, no malabsorption malabsorption Decreased OR timeDecreased OR timeDecreased morbidity, 0% Decreased morbidity, 0% mortality in high risk groupmortality in high risk groupSimilar weight lossSimilar weight lossSafe 1Safe 1stst step procedure in step procedure in superobesesuperobese and/or highand/or high--risk risk patientspatients
But…But…
New stomach pouch
Stomach that is
removed
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Unanswered Questions:Unanswered Questions:Laparoscopic Vertical Laparoscopic Vertical GastrectomyGastrectomy
Durability?Durability?Second stage?Second stage?
Necessary?Necessary?TimingTimingWhat operation?What operation?
Mechanism?Mechanism?
New stomach pouch
Stomach that is
removed
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Durability?Durability?GastroplastyGastroplasty: : Inadequate LongInadequate Long--Term Weight LossTerm Weight Loss
Illustrations from the Illustrations from the American Society for American Society for
Bariatric Surgery Bariatric Surgery
Vertical Banded Gastroplasty
(Mason)
Slilastic RingVertical Banded
Gastroplasty
Horizontal Gastroplasty
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Durability?Durability?Similar operation Similar operation -- MagenstrasseMagenstrasse & Mill& Mill
1987 1987 –– David Johnston, David Johnston, Leeds, UKLeeds, UK230 patients230 patients4% major complications4% major complications0% mortality0% mortality
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Durability?Durability?MagenstrasseMagenstrasse & Mill operation & Mill operation –– 5 year follow5 year follow--upup
0 6m 1y 2y 3y 4y 5y
60 8
0 10
0 1
20 1
40 16
0
Body
Wei
ght
(kg)
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StudyStudy No. No. Pts.Pts.
%EWL Loss%EWL Loss
VoellingerVoellinger ((GagnerGagner) 2002 ) 2002 60 Fr bougie60 Fr bougie
2424 23% at 3 m23% at 3 m32% at 6 m32% at 6 m
ElarinyElariny 2002200260 Fr bougie60 Fr bougie
3030 20lbs at 1m20lbs at 1m
Crookes 2003Crookes 200348Fr bougie, open48Fr bougie, open
1414 47% at 1 y47% at 1 y
CottamCottam ((SchauerSchauer) 2003 ) 2003 48Fr 48Fr bougiebougie, lap, lap
102102 46% at 1 y46% at 1 y
Johnston 2003Johnston 2003M&M, 32 Fr M&M, 32 Fr bougiebougie, open, open
230230 63% at 1 yr63% at 1 yr
AdamoAdamo 2003200332 Fr 32 Fr bougiebougie, open/lap, open/lap
25 25 VG 6 VG 6 M&MM&M
63% at 1 yr63% at 1 yr73% at 18m73% at 18m
Lee 2004Lee 200432 Fr bougie32 Fr bougie
6868 44% at 6 m44% at 6 m55% at 1 y55% at 1 y
Importance of Importance of BougieBougie SizeSize
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2nd Stage RGB Duodenal Switch Band removal/RGB
Second Stage?Second Stage?Is it Necessary? If so, when? What?Is it Necessary? If so, when? What?
1st Stage Vertical Gastrectomy Lap Band®
Final Result RGB VGDS Band-DS
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Second Stage?Second Stage?Is it Necessary?Is it Necessary?
BMI Decrease BMI Decrease In Individual In Individual Patients After Patients After VG With VG With Initial Initial BMI >50BMI >50
0
10
20
30
40
50
60
70
80
90
0 3 6 9 12
Time (mos)
BMI
(kg/
m2 )
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Two-Stage Laparoscopic DSWeight Change based on BMI
0
10
20
30
40
50
60
70
80
Stage I 3 wkBMI
3 mosBMI
6 mosBMI
Stage II 3 wkBMI
3 mosBMI
6 mosBMI
BM
I (kg
/m2)
Second StageFirst Stage
Normal Range
FromChu, Gagner
et al
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0
10
20
30
40
50
60
70
80
90
0 3 6 9 12
Time (mos)
BMI
(kg/
m2 )
Second Stage?Second Stage?Is it Necessary?Is it Necessary?
BMI Decrease BMI Decrease In Individual In Individual Patients After Patients After VG With VG With Initial Initial BMI <50BMI <50
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Mechanism?Mechanism?Hormonal Control of Weight HomeostasisHormonal Control of Weight Homeostasis
GhrelinGhrelinInsulinInsulinLeptinLeptinPYYPYY
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Mechanism Mechanism after VG?after VG?
GhrelinGhrelin??FundusFundus gonegoneNo hungerNo hunger
Other Other hormoneshormonesDystmotilityDystmotility??
Mechanism?Mechanism?GhrelinGhrelin Controls Energy Balance, and Appetite Controls Energy Balance, and Appetite after RGBafter RGB
RGB
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LongLong--term Results?term Results?Predictions for the Laparoscopic VGPredictions for the Laparoscopic VG
Durability Durability -- promisingpromisingSmaller Smaller bougiebougie better better weight lossweight loss
Second stageSecond stageNot necessary if BMI<45Not necessary if BMI<45Timing & operation Timing & operation ––further study neededfurther study needed
Mechanism Mechanism Further study neededFurther study needed
Insurance participationInsurance participation
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Laparoscopic Associates of San FranciscoLaparoscopic Associates of San FranciscoCalifornia Pacific Medical CenterCalifornia Pacific Medical CenterSan Francisco, California, USASan Francisco, California, USA
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Results: % Excess Weight LossResults: % Excess Weight LossAfter Laparoscopic Vertical After Laparoscopic Vertical GastrectomyGastrectomy, Band, Roux, Band, Roux--enen--Y Y Gastric Bypass, Duodenal SwitchGastric Bypass, Duodenal Switch
0102030405060708090
0 1 2 3 4 5 6 9 12
Time Postoperatively (mos)
% E
xces
s W
eigh
t Lo
ss (
%)
VGBANDRGBDS
* P<0.05 vs. DS,
RGB
*
*
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Results: Postoperative Weight Results: Postoperative Weight After Laparoscopic Vertical After Laparoscopic Vertical GastrectomyGastrectomy, Band, Roux, Band, Roux--enen--Y Y Gastric Bypass, Duodenal SwitchGastric Bypass, Duodenal Switch
* P<0.05 vs All
*
0
50
100
150
200
250
300
350
400
0 1 2 3 4 5 6 9 12
Time Postoperatively (mos)
Wei
ght
(lbs
)
VGBANDRGBDS
* P<0.05 vs All
*
*