bariatric surgery literature in nonbariatric surgical journals, july to december 2005

5
Bariatric surgery literature in nonbariatric surgical journals, July to December 2005 Harvey J. Sugerman, M.D.* American Society for Bariatric Surgery, Gainesville, Florida Keywords: Bariatric; Surgery; Literature The 114 articles listed herein, mostly related to obesity surgery, have been published over the last 6 months since our last update of the literature in the September–October issue of SOARD. Articles that the editor-in-chief deems particularly important for bariatric surgeons (but does not necessarily support) are printed in bold type. There may be other articles that should be in this category and some that may have been inadvertently omitted, subject to the preju- dices and ability of the editor. No attempt has been made to evaluate the accuracy or relevance of these articles. Risk/benefit analyses Flum DR, Salem L, Elrod JAB, Dellinger EP, Chea- dle A, Chan L. Early mortality among Medicare bene- ficiaries undergoing bariatric surgical procedures. JAMA 2005;294:1903– 8. Santry HP, Gillen DI, Lauderdale DS. Trends in bari- atric surgical procedures. JAMA 2005;294:1909 –17. Zingmund DS, McGory ML, Ko CY. Hospitalization before and after gastric bypass surgery. JAMA 2005; 294:1918 –24. Courcoulas AP, Flum DR. Filling the gaps in bariatric surgical research. JAMA 2005;294:1957– 60. Wolfe BM, Morton JM. Weighing in on bariatric sur- gery: procedure, use, readmission rates, and mortality. JAMA 2005;294:1960 –3. Survey tool assesses safety of bariatric surgery programs. Health Care Hazard Manage Monit 2005;19:1–9. Nguyen NT, Higa K, Wilson SE. Improving the quality of care in bariatric surgery: the volume and outcome rela- tionship. Adv Surg 2005;39:181–91. Christou NV, MacLean LD. Effect of bariatric surgery on long-term mortality. Adv Surg 2005;39:165–79. Tsai AG, Wadden TA. Surgery decreases long-term mor- tality, morbidity, and health care use in morbidly obese patients [letter]. Ann Surg 2005;242:291. Alami RS, Morton JM, Sanchez BR, Curet MJ, Wren SM, Safadi BY. Laparoscopic Roux-en-Y gastric bypass at a VA and high-volume academic facilities: a comparison of institutional outcomes. Am J Surg 2005;190:821–5. Debate regarding evidence-based medicine reports Harken AH. Hyperbolic hypotheses. Surgery 2005;238: 404. Moss RL. The surgeon’s use of evidence to care for our patients. Surgery 2005;238:405– 6. Sauerland S, Neugebauer E. Re: Flaws in methods of evidence-based medicine may adversely affect public health directives [letter]. Surgery 2005;238:406 –7. Twomey P. Re: Flaws in methods of evidence-based medicine may adversely affect public health directives [let- ter]. Surgery 2005;238:407. Dixon JB, Horber FF, Rossner S, et al. Re: Flaws in methods of evidence-based medicine may adversely affect public health directives [letter]. Surgery 2005;238:407–9. Sugerman HJ. Re: Flaws in methods of evidence-based medicine may adversely affect public health directives [let- ter]. Surgery 2005;238:409 –11. Moss RL. Of dodos and Goliath and alternative ap- proaches to a common goal. Re: Sugerman HJ. Flaws in methods of evidence-based medicine may adversely affect public health directives (letter to the editor). Surgery 2005; 238:411– 4. *Reprint requests: Harvey J. Sugerman, M.D., American Society for Bariatric Surgery, 100 SW 75th Street, Gainesville, FL 32607. E-mail: [email protected] Surgery for Obesity and Related Diseases 2 (2006) 228 –232 1550-7289/06/$ – see front matter © 2006 American Society for Bariatric Surgery. All rights reserved. doi:10.1016/j.soard.2005.12.004

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Bariatric surgery literature in nonbariatric surgical journals, July toDecember 2005

Harvey J. Sugerman, M.D.*American Society for Bariatric Surgery, Gainesville, Florida

Surgery for Obesity and Related Diseases 2 (2006) 228–232

eywords: Bariatric; Surgery; Literature

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The 114 articles listed herein, mostly related to obesityurgery, have been published over the last 6 months sinceur last update of the literature in the September–Octoberssue of SOARD. Articles that the editor-in-chief deemsarticularly important for bariatric surgeons (but does notecessarily support) are printed in bold type. There may bether articles that should be in this category and some thatay have been inadvertently omitted, subject to the preju-

ices and ability of the editor. No attempt has been made tovaluate the accuracy or relevance of these articles.

isk/benefit analyses

Flum DR, Salem L, Elrod JAB, Dellinger EP, Chea-le A, Chan L. Early mortality among Medicare bene-ciaries undergoing bariatric surgical procedures.AMA 2005;294:1903–8.

Santry HP, Gillen DI, Lauderdale DS. Trends in bari-tric surgical procedures. JAMA 2005;294:1909–17.

Zingmund DS, McGory ML, Ko CY. Hospitalizationefore and after gastric bypass surgery. JAMA 2005;94:1918–24.

Courcoulas AP, Flum DR. Filling the gaps in bariatricurgical research. JAMA 2005;294:1957–60.

Wolfe BM, Morton JM. Weighing in on bariatric sur-ery: procedure, use, readmission rates, and mortality.AMA 2005;294:1960–3.

Survey tool assesses safety of bariatric surgery programs.ealth Care Hazard Manage Monit 2005;19:1–9.Nguyen NT, Higa K, Wilson SE. Improving the quality

*Reprint requests: Harvey J. Sugerman, M.D., American Society forariatric Surgery, 100 SW 75th Street, Gainesville, FL 32607.

2E-mail: [email protected]

550-7289/06/$ – see front matter © 2006 American Society for Bariatric Surgeroi:10.1016/j.soard.2005.12.004

f care in bariatric surgery: the volume and outcome rela-ionship. Adv Surg 2005;39:181–91.

Christou NV, MacLean LD. Effect of bariatric surgeryn long-term mortality. Adv Surg 2005;39:165–79.

Tsai AG, Wadden TA. Surgery decreases long-term mor-ality, morbidity, and health care use in morbidly obeseatients [letter]. Ann Surg 2005;242:291.

Alami RS, Morton JM, Sanchez BR, Curet MJ, WrenM, Safadi BY. Laparoscopic Roux-en-Y gastric bypass atVA and high-volume academic facilities: a comparison of

nstitutional outcomes. Am J Surg 2005;190:821–5.

ebate regarding evidence-based medicine reports

Harken AH. Hyperbolic hypotheses. Surgery 2005;238:04.

Moss RL. The surgeon’s use of evidence to care for ouratients. Surgery 2005;238:405–6.

Sauerland S, Neugebauer E. Re: Flaws in methods ofvidence-based medicine may adversely affect public healthirectives [letter]. Surgery 2005;238:406–7.

Twomey P. Re: Flaws in methods of evidence-basededicine may adversely affect public health directives [let-

er]. Surgery 2005;238:407.Dixon JB, Horber FF, Rossner S, et al. Re: Flaws in

ethods of evidence-based medicine may adversely affectublic health directives [letter]. Surgery 2005;238:407–9.

Sugerman HJ. Re: Flaws in methods of evidence-basededicine may adversely affect public health directives [let-

er]. Surgery 2005;238:409–11.Moss RL. Of dodos and Goliath and alternative ap-

roaches to a common goal. Re: Sugerman HJ. Flaws inethods of evidence-based medicine may adversely affect

ublic health directives (letter to the editor). Surgery 2005;

38:411–4.

y. All rights reserved.

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229H.J. Sugerman / Surgery for Obesity and Related Diseases 2 (2006) 228–232

dolescent bariatric surgery

Inge TH, Zeller MH, Lawson ML, Daniels SR. A criticalppraisal of evidence supporting a bariatric surgical ap-roach to weight management for adolescents. J Pediatr005;147:10–9.

Durant N, Cox J. Current treatment approaches to over-eight in adolescents. Curr Opin Pediatr 2005;17:454–9.Kalra M, Inge T, Garcia V, et al. Obstructive sleep apnea

n extremely overweight adolescents undergoing bariatricurgery. Obes Res 2005;13:1175–9.

Warman JL. The application of laparoscopic bariatricurgery for treatment of severe obesity in adolescents usingmultidisciplinary adolescent bariatric program. Crit Careurs Q 2005;28:276–87.Angrisani L, Favretti F, Furbetta M, et al. Obese teen-

gers treated by the Lap-Band system: the Italian experi-nce. Surgery 2005;138:877–81.

Steinbeck K. Treatment options. Best Pract Res Clinndocrinol Metab 2005;19:455–69.

Madan AK, Menachery S, Ternovits CA, Lobe TE. One-titch laparoscopic gastric bypass technique for adolescents.Laparoendosc Adv Surg Tech A 2005;15:489–03.Lopez-Jminez F, Bhatia S, Collazo-Clavell ML, Sarr

G, Somers VK. Safety and efficacy of bariatric surgery inatients with coronary artery disease. Mayo Clin Proc 2005;0:1157–62.

O’Brien PE, Brown WA, Dixon JB. Obesity, weight lossnd bariatric surgery. Med J Aust 2005;183:310–4.

ariatric surgery procedures

Olbers T, Fagevik-Olsen M, Maleckas A, Lonroth H.andomized clinical trial of laparoscopic Roux-en-Yastric bypass versus laparoscopic vertical banded gas-roplasty for obesity. Br J Surg 2005;92:557–62.

McCarty TM, Arnold DT, Lamont JP, Fisher TL,uhn JA. Optimizing outcomes in bariatric surgery:

utpatient laparoscopic gastric bypass. Ann Surg 2005;42:494–8.

Lee W-J, Yu P-J, Wang W, Chen T-C, Wei P-L, Huang-T. Laparoscopic Roux-en-Y versus mini-gastric bypass

or the treatment of morbid obesity: a prospective random-zed controlled clinical trial. Ann Surg 2005;242:20–8.

Burhop JW, Chiang MC, Engstrand DJ, O’Driscoll M.aparoscopic bariatric surgery can be performed safely in

he community hospital setting. WMJ 2005;104:48–53.Bertucci W, Yadegar J, Takahashi A, et al. Antecolic

aparoscopic Roux-en-Y gastric bypass is not associatedith higher complication rates. Am Surg 2005;71:735–7.Lyass S, Cunneen SA, Hagike M, et al. Device-related

eoperations after laparoscopic adjustable gastric banding.m Surg 2005;71:738–43.Jan JC, Hong D, Pereira N, Patterson EJ. Laparoscopic

djustable gastric banding versus laparoscopic gastric by- e

ass for morbid obesity: a single-institution comparisontudy of early results. J Gastrointest Surg 2005;9:30–41.

Sarr MG. Invited commentary. The laparoscopic adjust-ble gastric band: we need to keep an open mind—yet still.Gastrointest Surg 2005;9:42–3.Raftopoulas I, Ercole J, Udekwu AO, Luketich JD, Cour-

oulas AP. Outcomes of Roux-en-Y gastric bypass stratifiedy a body mass index of 70 kg/m2: a comparative analysisf 825 procedures. J Gastrointest Surg 2005;9:44–53.

Ponce J, Paynter S, Fromm R. Laparoscopic adjustableastric banding: 1014 consecutive cases. J Am Coll Surg005;201:529–35.

Gutschow CA, Collet P, Prenzel K, Holscher AH,chneider PM. Long-term results and gastroesophageal re-ux in a series of laparoscopic adjustable gastric banding. Jastrointest Surg 2005;9:941–8.Demaria EJ, Schauer P, Patterson E, et al. The optimal

urgical management of the super-obese patient: the debate.ntroduction. Surg Innov 2005;12:107–21.

urgical technique

Gonzalez R, Gallagher SF, Haines K, Murr MM. Oper-tive technique for converting a failed vertical banded gas-roplasty to Roux-en-Y gastric bypass. J Am Coll Surg005;201:366–74.

Mohr CJ, Nadzam GS, Curet MJ. Totally robotic Roux-n-Y gastric bypass. Arch Surg 2005;140:779–86.

Csendes A, Burdiles P, Papapietro K, et al. Results ofastric bypass plus resection of the distal excluded gastricegment in patients with morbid obesity. J Gastrointest Surg005;9:121–31.

Davis SS, Mikami DJ, Newlin M, et al. Heating andumidifying of carbon dioxide during pneumoperitoneum isot indicated: a prospective randomized trial. Surg Endosc005 [Epub ahead of print].

Lee MG, Jones DB. Staple-line buttressing material inastric bypass surgery. Expert Rev Med Devices 2005;2:99–603.

hysiology

Ponsky TA, Brody F, Pucci E. Alterations in gastroin-estinal physiology after Roux-en-Y gastric bypass. J Amoll Surg 2005;201:125–31.

Hanusch-Enserer U, Roden M. News in gut–brain com-unication: a role of peptide YY (PYY) in human obesity

nd following bariatric surgery? Eur J Clin Invest 2005;35:25–30.

Younossi ZM, Gorreta F, Ong JP, et al. Hepatic genexpression in patients with obesity-related non-alcoholicteatohepatitis. Liver Int 2005;25:760–71.

Mingrone G, Lanco M, Calvani M, Castagneto M, Naon, Zorzano A. Could the low level of expression of the gene

ncoding skeletal muscle mitofusin-2 account for the met-

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bolic inflexibility of obesity? Diabetologia 2005 [Epubhead of print].

Lofgren P, Andersson I, Adolfsson B, et al. Long-termrospective and controlled studies demonstrate adipose tis-ue hypercellularity and relative leptin deficiency in theost-obese state. J Clin Endocrinol Metab 2005 [Epubhead of print].

Gletsu N, Lin E, Khaitan L, et al. Changes in C-reactiverotein predict insulin sensitivity in severely obese individ-als after weight loss surgery. J Gastrointest Surg 2005;9:119–28.

Nadreau E, Baraboi FD, Samson P, et al. Effects ofiliopancreatic diversion on energy balance in the rat. In Jbes Relat Metab Disord 2005 [Epub ahead of print].Lofgren P, Andersson I, Adolfsson B, et al. Long-term

rospective and controlled studies demonstrate adipose tis-ue hypercellularity and relative leptin deficiency in theostobese state. J Clin Endocrinol Metab 2005;90:6207–13.

Manco M, Calvani M, Nanni G, et al. Low 25-ydroxyvitamin D does not affect insulin sensitivity in obe-ity after bariatric surgery. Obes Res 2005;13:1692–700.

omorbidity

Mattar SG, Velcu LM, Rabinovitz M, et al. Surgicallynduced weight loss significantly improves nonalcoholicatty liver disease and the metabolic syndrome. Ann Surg005;242:610–20.

Clark JM, Alkhuraishi AR, Solga SF, Alli P, Diehl AM,agnuson TH. Roux-en-Y gastric bypass improves liver

istology in patients with non-alcoholic fatty liver disease.bes Res 2005;13:1180–6.Willens HJ, Chakko SC, Byers P, et al. Effects of weight

oss after gastric bypass on right and left ventricular func-ion assessed by tissue Doppler imaging. Am J Cardiol005;95:1521–4.

Nelson LG, Gonzalez R, Kaines K, Gallagher SF, MurrM. Amelioration of gastroesophageal reflux symptoms

ollowing Roux-en-Y gastric bypass for clinically signifi-ant obesity. Am Surg 2005;71:950–4.

Lenglinger J, Eisler M, Riegler M. Obesity and GERD:mplications and consequences for bariatric surgery. Am Jastroenterol 2005;100:2600–1.Camastra S, Manco M, Mari A, et al. Beta-cell function

n morbidly obese subjects during free-living long-termffects of weight loss. Diabetes 2005;54:2382–9.

Torquati A, Lutfi R, Abumrad N, Richards WO. Is Roux-n-Y gastric bypass surgery the most effective treatment forype 2 diabetes mellitus in morbidly obese patients? J Gas-rointest Surg 2005;9:1112–8.

Verse T. Bariatric surgery for obstructive sleep apnea.hest 2005;128:485–7.

Escobar-Morreale HF, Botella-Carretero JI, Alvarez-lasco F, Sancho J, San Millan JL. The polycystic ovary

yndrome associated with morbid obesity may resolve after A

eight loss induced by bariatric surgery. J Clin Endocrinoletab 2005;27 [Epub ahead of print]Raymond RH. Hormonal status, fertility, and pregnancy

efore and after bariatric surgery. Crit Care Nurs Q 2005;8:263–8.

Dziurowicz-Kozlowska A, Lisik W, Wierzbicki Z, Ko-ieradzki M. Health-related quality of life after surgicalreatment of obesity. J Physiol Pharmacol 2005;56(Suppl):127–34.

Curry WT Jr, Butler WE, Barker FG 2nd. Rapidly risingncidence of cerebrospinal fluid shunting procedures fordiopathic intracranial hypertension in the United States,988–2002. Neurosurgery 2005;57:97–108.

Sugerman HJ. Multiple benefits of bariatric surgery.anag Care 2005;14:16–21.D’Alessio MJ, Arnaoutakis D, Giarelli N, Villadolid DV,

osemurgy AS. Obesity is not a contraindication to lapa-oscopic Nissen fundoplication. J Gastrointest Surg 2005;9:49–54.

ariatric surgery complications

Service GJ, Thompson GB, Service FJ, et al. Hyper-nsulinemic hypoglycemia with nesidioblastosis afterastric bypass surgery. N Engl J Med 2005;353:249–54.

Cummings DE. Gastric bypass and nesidioblastosis:oo much of a good thing for islets. N Engl J Med005;353:300–2.

Martin JA, Pandolfino JE. Gastrointestinal complicationsf bariatric surgery. Curr Gastroenterol Rep 2005;7:321–8.

Livingston EH. Complications of bariatric surgery. Surglin North Am 2005;85:853–68.

Rendon SE, Pories WJ. Quality assurance in bariatricurgery. Surg Clin North Am 2005;85:757–71.

Prystowsky JB, Morasch MD, Eskandari MK, HungnessS, Nagle AP. Prospective analysis of the incidence of deepenous thrombosis in bariatric surgery patients. Surgery005;138:759–63.

Loar PV 3rd, Sanchez-Ramos L, Kaunitz AM, KerwinJ, Diaz J. Maternal death caused by midgut volvulus afterariatric surgery. Am J Obstet Gynecol 2005;193:1748–9.

Katasani VG, Leeth RR, Tishler DS, et al. Water-solublepper GI based on clinical findings is reliable to detectnastomotic leaks after laparoscopic gastric bypass. Amurg 2005;71:916–9.

Johnson JM, Maher JW, Samuel I, Heitsbusen D,oherty C, Downs RW. Effects of gastric bypass proce-ures on bone mineral density, calcium, parathyroid hor-one and vitamin D. J Gastrointest Surg 2005;9:1106–11.

nesthesia and bariatric surgery

Passannnte AN, Rock P. Anesthetic management of pa-ients with obesity and sleep apnea. Anesthesiol Clin North

m 2005;23:479–91.

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Brenn BR. Anesthesia for pediatric obesity. Anesthesiollin North Am 2005;23:745–64.

sychiatry

Puzziferri N. Psychologic issues in bariatric surgery: theurgeon’s perspective. Surg Clin North Am 2005;85:741–5.

Bauchowitz AU, Gonder-Frederick LA, Olbrisch ME, etl. Psychosocial evaluation of bariatric surgery candidates:survey of present practices. Psychosom Med 2005;67:

25–32.

iscellaneous

Hydock CM. A brief overview of bariatric surgical pro-edures currently being used to treat the obese patient. Critare Nurs Q 2005;28:217–26.

McCullough PA, Sandberg KR, Miller WM, et al. Sub-tantial weight gain during adulthood: the road to bariatricurgery. Prev Cardiol 2005;8:155–9.

Pentin PL, Nashelsky J. What are the indications forariatric surgery? J Fam Pract 2005;54:633–4.

Neligan PJ, Williams N. Nonsurgical and surgical treat-ent of obesity. Anesthesiol Clin North Am 2005;23:501–

3.Ryan MA. My story: a personal perspective on bariatric

urgery. Crit Care Nurs Q 2005;28:288–92.Dolfing JG, Dubois EF, Wolffenbuttel BH, ten Hoor-

ukema NM, Schweitzer DH. Different cycle ergometerutcomes in severely obese men and women without doc-mented cardiopulmonary morbidities before bariatric sur-ery. Chest 2005;128:256–62.

Karmali S, Shaffer E. The battle against the obesitypidemic: is bariatric surgery the perfect weapon? Clinnvest Med 2005;28:147–56.

Livingston EH. Bariatric surgery. Surg Clin North Am005;85:xiii–xvii.

Martin RF. Bariatric surgery. Surg Clin North Am 2005;5:xi–xii.

Doolen JL, Miller SK. Primary care management ofatients following bariatric surgery. J Am Acad Nurse Pract005;17:446–50.

Torpy JM, Burke A, Glass RM. JAMA patient page:ariatric surgery. JAMA 2005;19:294:1986.

Korenkov M, Sauerland S, Junginger T. Surgery forbesity. Curr Opin Gastroenterol 2005;21:679–83.

Burhop JW, Chiang MC, Engstrand DJ, O’Driscoll M.aparoscopic bariatric surgery can be performed safely in

he community hospital setting. WMJ 2005;104:48–53.Green AE, Escobar PF, Stellato T, Hallowell P, von

ruenigen VE. Bariatric surgery in the field of gynecolog-cal oncology. Int J Gynecol Cancer 2005;15:1254–7.

Nguyen NT, Morton JM, Wolfe BM, Schirmer B, Ali M,

raverson LW. The SAGES bariatric surgery outcomesntiative. Surg Endosc 2005;19:1429–38.

Wylerzol M, Zwirska-Korczala K, Pasnik K. Bariatricurgery in Poland from 1993 to 2003. J Physiol Pharmacol005;56(Suppl 6):109–15.

Pardela M, Wiewiora M, Sitkiewicz T, Wylezol M. Therogress in bariatric surgery. J Physiol Pharmacol 2005;6(Suppl 6):35–44.

Wulkan ML, Durham MM. Obesity in the United States:s there a quick fix? Pros and cons of bariatric surgery fromhe pediatric perspective. Curr Gastroenterol Rep 2005;7:45–50.

Khaitan L, Smith CD. Obesity in the United States: ishere a quick fix? Pros and cons of bariatric surgery from thedult perspective. Curr Gastroenterol Rep 2005;7:451–4.

Bell SE. Current issues and challenges in the manage-ent of bariatric patients. J Wound Ostomy Contin Nurs

005;32:386–92.Salant TM, Santry HP. Internet marketing of bariatric

urgery: contemporary trends in the medicalization of obe-ity. Soc Sci Med 2005 [Epub ahead of print].

Ishii Y, Hasegawa H, Nishibori H, Watanabe M, Kita-ima M. Impact of visceral obesity on surgical outcome afteraparoscopic surgery for rectal cancer. Br J Surg 2005;92:261–2.

Poulose BK, Holzman MD, Zhu Y, et al. National vari-tions in morbid obesity and bariatric surgery use. J Amoll Surg 2005;201:77–84.

Martin LF, Lundberg AP, Juneau F, Raum WJ, HartmanJ. A description of morbidly obese state employees re-uesting a bariatric operation. Surgery 2005;138:690–700.

Demaria EJ, Jamal MK. Surgical options for obesity.astroenterol Clin North Am 2005;34:127–42.Kaplan LM. Gastrointestinal management of the bariatric

urgery patient. Gastroenterol Clin North Am 2005;34:105–5.

osts

Encinoss WE, Bernard DM, Steiner, Chen CC. Use andosts of bariatric surgery and prescription weight loss med-cations. Health Aff 2005;24:1039–46.

Schoenthal AR, Getzen TF. Bariatric surgery and thenancial reimbursement cycle. J Health Care Fin 2005;31:–9.

Safadi BY. Trends in insurance coverage for bariatricurgery. Surg Clin North Am 2005;85:665–80.

Finkelstein EA, Brown DS. A cost–benefit simulationodel of coverage for bariatric surgery among full-time

mployees. Am J Manag Care 2005;11:641–6.Finkelstein EA, Brown DS, Avidor T, Takeuchi AH. The

ole of price, sociodemographic factors, and health in theemand for bariatric surgery. Am J Manag Care 2005;11:30–7.

Livingston EH. Hospital costs associated with bariatric

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rocedures in the United States. Am J Surg 2005;190:816–0.

Bariatric surgery is a big growth business for someospitals. Health Care Strateg Manage 2005;23:11.

ewer techniques

Swanstrom LL, Kozarek R, Pasricha PJ, et al. Develop-ent of a new access device for transgastric surgery. J

astrointest Surg 2005;9:1129–37. s

Gostout CJ, Rajan E. Endoscopic treatments for obesity:ast, present and future. Gastroenterol Clin North Am 2005;4:143–50.

Wagh MS, Merrifield BF, Thompson CC. Endoscopicransgastric abdominal exploration and organ resection: ini-ial experience in a porcine model. Clin Gastroenterol Hepa-ol 2005;3:892–6.

Albani G, Petroni ML, Mauro A, et al. Safety and effi-acy of therapy with botulinum toxin in obesity: a pilot

tudy. J Gastroenterol 2005;40:833–5.