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THE BEST OF SOARD Harvey Sugerman, MD, FACS, FASMBS Editor-in-Chief Surgery for Obesity and Related Diseases. Top 25 Article Requests on ScienceDirect (Jan-Dec 2009). Review Articles : 5/25: 20% Original FLA: 20/25: 80% Vol. 5: 56% Vol. 4: 32% Vol. 3: 12%.
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THE BEST OF SOARDHarvey Sugerman, MD, FACS, FASMBSEditor-in-ChiefSurgery for Obesity and Related Diseases
Top 25 Article Requests on ScienceDirect (Jan-Dec 2009) Review Articles: 5/25: 20% Original FLA: 20/25: 80% Vol. 5: 56% Vol. 4: 32% Vol. 3: 12%
Top 20 Articles by Citations Comprising the 2009 Impact Factor of 3.862
EDITOR-IN-CHIEF’SBEST OF SOARD CHOICESVolume 1, 2005 • Eid et al. Effective treatment of polycystic ovarian syndrome with Roux-en-Y gastric bypass. pp. 77-80 • 24 women, 57% EWL 1 y, all resumed normal menses at ~ 3 mos, 12/23 complete, 6 moderate resolution hirsutism at ~ 8 mos, 5 conceptions • Brechner et al. A graded, evidence-based summary of evidence for bariatric surgery. pp. 430-41
BEST OF SOARD Vol 2, 2006 • Alagna et al. Biliopancreatic diversion: long-term effects on gonadal function in severely obese men. pp. 82-6 • 20 men (21-63 y), LH, FSH and total testosterone significantly increased from subnormal pre-op to normal; estradiol decreased from elevated basal levels to normal • Gustafson et al. History of sexual abuse among bariatric surgery candidates. pp. 369-74 • 16% (17% female, 11.5% male); ↑ binge eating, substance abuse and hx of psych rx
BEST OF SOARD: Vol 2, 2006(con’t) • Sampalis et al. Impact of bariatric surgery on cardiovascular and musculoskeletal morbidity. pp. 587-91 • 62% EWL, significant ↓ diagnosis and rx of above • Leichman et al. Improvements in systemic metabolism, anthropometrics and left ventricular geometry 3 months after bariatric surgery. pp. 592-9 • MRI showed significant ↓ in LV mass, visceral adipose tissue, CRP and ↑ insulin sensitivity
BEST OF SOARD: Vol 2, 2006(Con’t) • Parikh et al. LAGB for patients with BMI ≤ 35. pp. 518-22 • 93 pts Australia, BMI 32.7 to 27.6 at 3 y with 89% f-u, improved co-morbidities, no mortality • Salinas et al. Self-expandable metal stents to treat gastric leaks. pp. 146-8 • 17 pts (14 males) G-J leak after RYGB, 16 successful, oral feeding 2-3 days p stent, 5 OR to drain abscess
BEST OF SOARD: Vol 2, 2006(Con’t) • Jamal et al. Insurance-mandated preoperative dietary counseling does not improve outcome and increases dropout rates in patients considering gastric bypass for morbid obesity. pp.122-7 • 50% dropout, no difference in success of surgery • Gibbons et al. Previous weight loss experiences of bariatric surgery candidates: how much have patients dieted prior to surgery? pp. 259-64 • 4.7 ± 2.9 prior successful (≥ 10 lbs) + numerous unsuccessful diet attempts; wt ↑ from 89.4 ± 27.4 kg at time of first diet to 144.5 ± 30.8 kg
BEST OF SOARD:Vol 3, 2007 • Busetto et al. Comparative long term mortality after laparoscopic adjustable gastric binding versus nonsurgical controls. pp. 496-502 • 5y 60% < mortality than cohort • Sowemimo et al. Natural history of morbid obesity without surgical intervention. pp. 73-7 • Mortality in 743 after bariatric surgery (165 LTFU) = 2.8% vs. 14.3% no surgery. After adjusting for variables: 82% decreased mortality
BEST OF SOARD: Vol 3, 2007(Con’t) • Belle et al. Safety and efficacy of bariatric surgery: Longitudinal Assessment of bariatric surgery pp. 116-26 • 1st paper re. prospective, NIH, multicenter protocol • DeMaria et al. Obesity surgery mortality risk score: proposal for a clinically useful score to predict mortality risk in patients undergoing bariatric surgery. pp. 134-40 • BMI, Male, Htn, PE risk, age: 1 point each • Class A = 0-1, B = 2-3, C = 4-5 points • Mortality: Class A = .31%, B = 1.9%, C = 7.6%
BEST OF SOARD: Vol 3, 2007(Con’t) • Kuruba et al. Bariatric surgery improves urinary incontinence in morbidly obese individuals. pp. 586-91 • 65/201 (65%) surgery candidates (1 male) incontinent • 38 pts RYGB: 50% severe, 48% moderate, 2% mild • 50% complete resolution, 37% mild-moderate, 13% severe at ≥ 6 mos postop • Severity score 5.4±2.3 to 2.3±2.8 (p < .001)
BEST OF SOARD:Vol 3, 2007(Con’t) • Korner et al. Exaggerated glucagon-like peptide-1 and blunted glucose-dependent insulinotropic peptide (IP) secretion are associated with RYGB but not AGB. pp. 597- • BG at 60 min < after RYGB than LAGB (70 vs. 83mg/dL) • GLP-1 level 3X after RYGB than LAGB (96 vs. 28pmol/L) • IP level lower after RYGB than LAGB (20 vs. 31pmol/L) • Hagedorn et al. Does gastric bypass alter alcohol metabolism? pp. 543-8 • 5 oz red wine, q 5 min breath analysis • Peak EtOH: 0.08% RYGB vs. 0.05% controls • 0 level: 108 min RYGB vs. 72 min controls • No difference postingestion symptom profile
BEST OF SOARD: Vol 3 (Con’t) • Johnson et al. Surgical revision of loop (“mini”) gastric bypass procedure: multicenter review of complications and conversions to Roux-en-Y gastric bypass. 2007;3:37-41. • 5 med centers, 32 pts: bile reflux 20; GJ leak 3, marginal ulcer 5; malnutrition 8; weight gain 2 • 21 converted to RYGB; 2 with Braun entero-enterostomy • Miller KA, Pump A. Use of bioabsorbable reinforcement material in gastric bypass: a prospective randomized clinical trial. 2007;3:417-22 • < bleeding (fewer clips, higher Hgb), < OR time
BEST OF SOARD: Vol 3, 2007(Con’t) • McCloskey et al. Bariatric surgery improves cardiac function in morbidly obese patients with severe cardiomyopathy. pp. 503-7 • 14 pts (10 men); EF 23±2 to 32±4% at 6 mos • Preop: 2 Class IV; 6 Class III; 6 Class II • Postop: 0 Class IV; 2 Class III; 12 Class II • Dallal et al. Medicare and Medicaid status predicts prolonged length of stay (PLOS) after bariatric surgery. pp. 592-6. • PLOS (≥ 7d) = 3.7% • Medicare pts 6X and Medicaid 3.2X PLOS
BEST OF SOARD Vol 4 • Christou et al. Bariatric surgery reduces cancer risk in morbidly obese patients. 2008;4:691-7 • < physician/hospital visits vs. controls: 2.0 vs. 8.5% • < physician/hospital visits for breast cancer • Keto JL, Kemmeter P. Effect of Center of Excellence requirement by Centers for Medicare and Medicaid Services on practice trends. 2008;4:437-40 • % CMS/Medicaid ↑ from 15/10% 2004/2005 to 31% 2006 • Older (56 vs. 44), > comorbidities (5.1 vs. 3.5), more meds (10.3 vs. 5.6), more prior ops (2.1 vs. 1.3), longer OR times (148 vs. 121 min) than private 3rd party insured
BEST OF SOARD: Vol 4 (Con’t) • Song et al. Association between support group attendance and weight loss after Roux-en-Y gastric bypass 2008;4:100-3 • Significantly > %EWL at 9 (53 vs. 45) and 12 mos (56 vs. 47) in those attending support group • Arceo-Olaiz et al. Maximal weight loss after banded and unbanded laparoscopic Roux-en-Y gastric bypass: a randomized controlled trial. 2008;4:507-11 • No difference at 12 or 24 mos; 1 band removed
BEST OF SOARD: Vol. 4, 2008(Con’t) • Carbonell et al. Does diabetes affect weight loss after gastric bypass? pp. 441-4 • Of 655, DM pts had < %EWL: 67.6 no DM vs. 63.5 diet only vs. 60.5 for oral vs. 53.3 on insulin • Salem et al. Cost-effectiveness of laparoscopic gastric bypass, adjustable gastric banding, and nonoperative weight loss interventions. pp.26-32 • Both men & women, RYGB & LAGB were cost-effective at <$25,000 for QALY regardless of BMI, adverse outcomes, weight loss or costs. LAGB > RYGB
BEST OF SOARD: Vol 4,2008 (Con’t) • 2 baseline LABS studies: • Relationship of body mass index with demographic and clinical characteristics in the Longitudinal Assessment of Bariatric Surgery. pp.474-80. • Physical activity levels of patients undergoing bariatric surgery in the Longitudinal Assessment of Bariatric Surgery. pp. 721-8.
BEST OF SOARD: Vol 5 • ASMBS GUIDELINES AND POSITION STATEMENTS: • Emerging endosurgical interventions for the treatment of obesity • Detection and prevention of gastrointestinal leak after gastric bypass including the role of imaging and surgical exploration
BEST OF SOARD: Vol 5, 2009(Con’t) • Dolce et al. Does liver appearance predict histo-pathological findings: prospective analysis of routine liver biopsies during bariatric surgery. pp. 323-8 • NASH in 23% • 48% with normal liver appearance score had NASH • Martinez et al. Diagnosis and treatment of megaesophagus after LAGB for morbid obesity. pp.156-9 • 5/257; mean time at 32 (24-36) mos; preop manometry nl in 4; band deflation ineffective; all required band removal
BEST OF SOARD: Vol 5, 2009(Con’t) • Mumme et al. Effect of LRYGB on hgbA1c levels in diabetic patients: a matched cohort analysis. pp. 4-10 • Matched cohorts: HgbA1c at 3 y: 6.1 vs. 7.8 • RYGB decreased insulin/oral agents 84% to 22% at 1 y • Alexander et al. Improvement and stabilization of chronic kidney disease after gastric bypass. pp.237- • 45 pts with established renal disease before RYGB: 1 GN completely resolved, 4 pts d/c dialysis – but 2 had to resume, 6 pts had progressive improved function, all ↓ proteinuria
BEST OF SOARD: Vol 5, 2009(Con’t) • Ghandi et al. Elective laparoscopy for herald symptoms of mesenteric/internal hernia after L-RYGB. pp. 144-9 • 27/702 (3.8%) acute SBO; 15 (55%) internal hernia (IH) • Nearly ALL had prior sx of intermittent SBO • Elective laparoscopy in 9 with intermittent sx; all IH • Bond et al. Prevalence and degree of sexual dysfunction in a sample of women seeking bariatric surgery. pp. 698-704 • 60% female sexual dysfunction
BEST OF SOARD: Vol 5, 2009(Con’t) • Miller et al. Physical function improvements after L-RYGB. pp. 530-7 • ↓ disability, ↑ mobility within 3 wks, ↑ max muscle torque/kg within 6 mos after surgery • Farbris de Souza et al. Six-minute walk test: functional capacity of severely obese before and after bariatric surgery. pp. 540-3 • 382±49 m before vs. 468±40 m 7-12 mos after surgery
BEST OF SOARD: Vol 5, 2009(Con’t) • Topart et al. One-year weight loss after primary or revisional RYGB for failed LAGB. pp. 459-62. Revisional RYGB: • Longer OR times: 128±26 vs. 89±15 min • ↑ morbidity • Equivalent 1 y %EWL: 66±28 vs. 70±19
“Look, Fred, you’re a lousy surgical risk. I know the operation might save your life, but I can’t do it. It could wreck my statistics.”
BEST OF SOARD: Vol 6, 2010 • Smith et al. The relationship between surgeon volume and adverse outcomes after RYGB in the LABS study. pp. 118-25 • > surgeon volume < event rates; continuous variable • each 10 case/y ↑ vol, event rate ↓ 10% • DiGiorgi et al. Reemergence of diabetes after gastric bypass in patients with mid- to long-term follow-up. pp. 249-53 • 10/42 (24%) with improved or remitted DM at ≥ 3 y f/u recurred or worsened • had > wt regain, > wt loss failure
BEST OF SOARD: Vol 6, 2010(Con’t) • Bessler et al. AGB as a revisional procedure after failed RYGB – intermediate results. pp. 31-5 • 22 pts, % EWL from 13.5 to 59.4 at 12 mos (13/20), 53.1 at 24 mos (10/15), 59.3 at 48 mos (7/9) • Shah et al. Diabetes remission and reduced cardio-vascular risk after RYGB in Asian Indians BMI<35 pp. 332-8 • 15 pts (8 men), BMI 28.9±4, 80% on insulin • BMI ↓ 20%, all off DM meds d/c’d within 1 mo in 80% • At 3 mos, all euglycemic and off meds • FBS 233±87 to 89±12; HgbA1c 10.1±2.0% to 6.1±0.6% • ↓ ↓ cardiovascular risk factors for MI, stroke
BEST OF SOARD: Vol 6, 2010(Con’t) • Martin et al. Socioeconomic disparities in eligibility and access to bariatric surgery: a national population-based analysis. 8-15 • NHANES data: 22+ million eligible for bariatric surgery • Eligible lower family incomes and educational levels, < access to healthcare, 1/3 uninsured or underinsured • 75% bariatric surgery in Caucasians, 80% > income, 82% private insurance
BEST OF SOARD: Vol 6, 2010(Con’t • Josbeno et al. Physical activity and physical function changes in obese individuals following RYGB. pp. 361-6 • 20 pts, at 3 mos: X daily steps 4621±3701 to 7370±4240, 6 min walk test: 393±62 to 446±41 • Significant ↑ SF-36 physical function subscale • Fernandez-Esparrach et al. Peroral endoscopic anastomotic reduction for the treatment of intractable dumping syndrome following RYGB. pp. 36-40 • 6 pts, successful narrowing stoma, relief of dumping symptoms for median f/u 636 days
OTHER MAJOR ARTICLES • Christou et al: ↓Quebec mortality. Ann Surg • Sjostrom et al: ↓ SOS mortality at 10 y. NEJM • Adams et al: ↓ Utah mortality. NEJM • Peters et al: ↓ Australian LAGB mortality
OTHER MAJOR ARTICLES • O’Brien et al: Randomized LAGB BMI 30-35. Ann Intern Med 2006;144:625-33 • Perioperative safety in the longitudinal assessment of bariatric surgery. NEJM 2009;361:445-54 • Smith et al: ↓ maternal transmission obesity. J Clin Endocr Metab 2009;94:4275-83 • Keating et al: Cost efficacy, randomized LAGB for diabetes. Diabetes Care 2009;32:580-4 • O’Brien et al: LAGB in severely obese adolescents: a randomized trial. JAMA 2010;303:519-26.