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![Page 1: Post-Surgical Care of the Bariatric Patient Eve L. Olson, MD Medical Director St. Francis Weight Loss Center Indianapolis, Indiana 317-782-7525.](https://reader036.fdocuments.net/reader036/viewer/2022062716/56649dd35503460f94aca2e4/html5/thumbnails/1.jpg)
Post-Surgical Care of the Bariatric
Patient
Eve L. Olson, MDMedical Director
St. Francis Weight Loss CenterIndianapolis, Indiana
317-782-7525
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1999
Obesity Trends* Among U.S. AdultsBRFSS, 1990, 1999, 2008
(*BMI 30, or about 30 lbs. overweight for 5’4” person)
2008
1990
No Data <10% 10%–14% 15%–19% 20%–24% 25%–29% ≥30%
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↑ 1000%
↑ 500%
↑ 300%
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Medical Complications of Obesity: Almost every organ system is affected
Phlebitisvenous stasis
Coronary heart disease
Pulmonary diseaseabnormal functionobstructive sleep apneahypoventilation syndrome
Gall bladder disease
Gynecologic abnormalitiesabnormal mensesinfertilitypolycystic ovarian syndrome
Gout
Stroke
Diabetes
Osteoarthritis
Cancerbreast, uterus, cervixcolon, esophagus, pancreaskidney, prostate
Nonalcoholic fatty liver diseasesteatosissteatohepatitiscirrhosis
HypertensionDyslipidemia
Cataracts
Skin
Idiopathic intracranial hypertension
Severe pancreatitis
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Number of Bariatric Operations performed in the US from 1992-2006
0
20,000
40,000
60,000
80,000
100,000
120,000
140,000
160,000
180,000
200,000
# Bariartric Surgeries
1992 1994 1996 1998 2000 2002 2004 2006
NEJM, R. Steinbrook, 2004/ ASBS
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Who Qualifies for Weight-Loss Surgery?
Clinical Terms Used to Describe Various Levels of Body Fat
Normal Weight (BMI 18.5 to 24.9)
Overweight(BMI 25 to 29.9)
Obese(BMI 30 to 34.9)
Severely Obese(BMI 35 to 39.9 )
Morbidly Obese(BMI 40 or more)
BMI 18.5-24.9 BMI 25-29.9 BMI 30-34.9 BMI 35-39.9 BMI>40
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Bariatric Surgery IndicationsNIH Criteria
• BMI > 40
• BMI > 35 with Co-morbidities– Type II Diabetes– Obstructive Sleep Apnea– Coronary Artery Disease– Cardiomyopathy– Hypertension– Dyslipidemia
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Restrictive Procedures
Gastric Banding Sleeve Gastrectomy
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Restrictive + MalabsorptiveProcedures
Roux-en-Y Gastric Bypass Biliopancreatic Diversion with
Duodenal Switch
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Efficacy of Bariatric Surgery for Weight Loss
• Mean percentage excess weight loss:– 61.2% - All Patients– 47.5% - Gastric Banding– 61.6% - Gastric Bypass– 70.1% - BPD or duodenal switch
*Buchwald H, et al. Bariatric Surgery: A Systematic Review and Meta-analysis. JAMA, 14:1724-37, 2004
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Weight Maintenance after Bariatric Surgery
Sjöström L, Lindroos AK, Peltonen M et al. N Engl J Med. 2004;351:26
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Comparing Weight-Loss Results
Source: O’Brien et al. Obesity is a Surgical Disease: Overview of Obesity and Bariatric Surgery, ANZ J Surg, 2004; 74: 200-204.
Gastric Bypass
LAP-BAND
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0
1
2
3
4
5
6
7
Control Bariatric Surgery
Long-term Survival with Bariatric Surgery
Rel. Risk = 0.11 (.04-.27)
89% reduction in risk ofdeath over 5 years
Christou et al. Ann Surg 2004;240:416-424
% M
ort
alit
y
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D Flum et al. J Am Coll Surg 199:543, 2004
Thi
rty
Day
Mor
talit
yRelationship Between Surgical Experience and Relationship Between Surgical Experience and Perioperative Mortality in Gastric Bypass Surgery Perioperative Mortality in Gastric Bypass Surgery
7%
6%
5%
4%
3%
2%
1%
0%0 50 100 150 200 250 300 350 400 450 500 550 600 650
Chronological case order per surgeon
125 case lifetime bariatric 125 case lifetime bariatric surgery experiencesurgery experience
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Is Bariatric Surgery Safe?Is Bariatric Surgery Safe?
Mortality rates after common operations in U.S. hospitalsMortality rates after common operations in U.S. hospitals
Variable Repair of CABG Pancreatic Hip Replacement ASMBS BSCOE
AAA Surgery surgery surgery bariatric surgeryVariable Repair of CABG Pancreatic Hip Replacement ASMBS BSCOE
AAA Surgery surgery surgery bariatric surgery
Hospitals 2485 1036 1302 3445 235operation (n)
Avg. mortality 3.9 3.5 8.3 0.3 0.36rate (%)
Average hospital 30 491 8 24 280caseload
Hospitals 2485 1036 1302 3445 235operation (n)
Avg. mortality 3.9 3.5 8.3 0.3 0.36rate (%)
Average hospital 30 491 8 24 280caseload
Adapted from Dimick J.B., Welch H.G., Birkmeyer, J.D. Surgical mortality as an indicator of hospital quality. JAMA 2004; 292:847-51.Adapted from Dimick J.B., Welch H.G., Birkmeyer, J.D. Surgical mortality as an indicator of hospital quality. JAMA 2004; 292:847-51.
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0
1000
2000
3000
4000
Re-admissionswithin 30 days
Re-operationswithin 30 days
In-patientmortality
Post-discharge30 day
mortality
31-90 daymortality
Total mortality(< 90 days)
# o
f ev
ents
4.86 %
2.21 %
0.13 % 0.16 % 0.07 % 0.36 %
0
1000
2000
3000
4000
Re-admissionswithin 30 days
Re-operationswithin 30 days
In-patientmortality
Post-discharge30 day
mortality
31-90 daymortality
Total mortality(< 90 days)
# o
f ev
ents
0
1000
2000
3000
4000
Re-admissionswithin 30 days
Re-operationswithin 30 days
In-patientmortality
Post-discharge30 day
mortality
31-90 daymortality
Total mortality(< 90 days)
# o
f ev
ents
4.86 %
2.21 %
0.13 % 0.16 % 0.07 % 0.36 %
Patient outcomes for all Bariatric Surgeries at 235 SRC Full Approval BSCOE Hospitals
Patient outcomes for all Bariatric Surgeries at 235 SRC Full Approval BSCOE Hospitals
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Recognizing Complications
• Over-medication– Anti-hypertensives– Diabetic Medications
• Under-medication– Anti-seizure
• Dehydration– Most common first two weeks post-op– No Thirst
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Postoperative Complications Common to all Procedures
• General Complications– Pulmonary embolism– Incisional hernia– Gallstone formation– Major wound infection and seroma– Abdominal fluid collection– Subphrenic abscess– Peritonitis
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Procedure-Specific Complications (RYGB)
• Anastomotic or staple-line leak• Acute gastric distention• Staple-line disruption• Stomal stenosis• Stomal ulceration• Small-bowel obstruction• Occlusion of Roux limb• Dumping
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Procedure-Specific Complications( gastric banding)
• band slippage
• esophageal dilatation
• erosion of the band into the stomach
• band or port infections
• balloon or system leaks that can diminish weight loss
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Band Erosions
Partial Complete
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Normal
Absorption
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Risk of Vitamin and Mineral Deficiencies Post-op
• Calcium and Vitamin D– Reduced absorption d/t bypassed duodenum, proximal jejunum (R-
en-Y)– Life-long supplements mandatory
• Iron– Absorption decreased d/t decreased contact of food with gastric
acid; reduced conversion of iron from ferrous to ferric form (MVI)• Vitamin B12
– Absorption decreased d/t decreased contact with intrinsic factor– 60% of patients require long term supplementation of B12
• Thiamine– Connection to Wernicke’s syndrome– Cases not well documented
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