To be blunt and to not waste anyones time.. Asking a surgeon for a detailed response about the effects of bariatric surgery on an individuals metabolic rate (particularly as we're all different) is like asking a baker to fix a rare sports car. In short, you need an endocrinologist.
As for the impeded weight loss. You sadly had a bit of a rough trot of it immediately after your surgery - so this would definitely have short-circuited the system - giving much credence to the points made by our learned friends on this site, that you may have to wait it out and see how your body normalises.
As far as references for current academic research go, please see below. As you'll know, academic research is normally very narrow in its focus, so you'll have to go through quite a few of them in order to assimilate a potential 'ground truth' for yourself. However, there are some articles which offer the generic information you seek which might at least allay your current fears. Naturally, this comes with the caveat that without full knowledge of the endless subtleties and nuances the endocrine system plays on our bodies, it might appear attractive to propose one hypothesis for your current predicament, for it to then be incorrect because of a previously unidentified and unevaluated interaction.
Consequently, if you want your rare sports car fixed? Go see a specialist mechanic
Hope this helps. Any questions or queries, please do not hesitate to ask. Best of luck, Daydra x
Bariatric surgery in obesity: Changes of glucose and lipid metabolism correlate with changes of fat mass Original Research Article
Nutrition, Metabolism and Cardiovascular Diseases, Volume 19, Issue 3, March 2009, Pages 198-204
F. Frige', M. Laneri, A. Veronelli, F. Folli, M. Paganelli, P. Vedani, M. Marchi, D. Noe', P. Ventura, E. Opocher, A.E. Pontiroli
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2 Effect of bariatric surgery on liver glucose metabolism in morbidly obese diabetic and non-diabetic patients Original Research Article
Journal of Hepatology, In Press, Accepted Manuscript, Available online 20 September 2013
Heidi Immonen, Jarna C. Hannukainen, Patricia Iozzo, Minna Soinio, Paulina Salminen, Virva Lepomäki, Ronald Borra, Riitta Parkkola, Andrea Mari, Terho Lehtimäki, Tam Pham, Jukka Laine, Vesa Kärjä, Jussi Pihlajamäki, Lassi Nelimarkka, Pirjo Nuutila
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3 Dramatic Reversal of Derangements in Muscle Metabolism and Left Ventricular Function After Bariatric Surgery Original Research Article
The American Journal of Medicine, Volume 121, Issue 11, November 2008, Pages 966-973
Joshua G. Leichman, Erik B. Wilson, Terry Scarborough, David Aguilar, Charles C. Miller III, Sherman Yu, Mohamed F. Algahim, Manuel Reyes, Frank G. Moody, Heinrich Taegtmeyer
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4 Bariatric surgery and its impact on sleep architecture, sleep-disordered breathing, and metabolism Review Article
Best Practice & Research Clinical Endocrinology & Metabolism, Volume 24, Issue 5, October 2010, Pages 745-761
Silvana Pannain, Babak Mokhlesi
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5 Progressive Regression of Left Ventricular Hypertrophy Two Years after Bariatric Surgery Original Research Article
The American Journal of Medicine, Volume 123, Issue 6, June 2010, Pages 549-555
Mohamed F. Algahim, Thomas R. Lux, Joshua G. Leichman, Anthony F. Boyer, Charles C. Miller III, Susan T. Laing, Erik B. Wilson, Terry Scarborough, Sherman Yu, Brad Snyder, Carol Wolin-Riklin, Ursula G. Kyle, Heinrich Taegtmeyer
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6 ESR1 gene and insulin resistance remission are associated with serum uric acid decline for severely obese patients undergoing bariatric surgery Original Research Article
Surgery for Obesity and Related Diseases, In Press, Corrected Proof, Available online 14 November 2012
Weu Wang, Tsan-Hon Liou, Wei-Jei Lee, Chung-Tan Hsu, Ming-Fen Lee, Hsin-Hung Chen
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7 American Association of Clinical Endocrinologists, The Obesity Society, and American Society for Metabolic & Bariatric Surgery Medical Guidelines for Clinical Practice for the Perioperative Nutritional, Metabolic, and Nonsurgical Support of the Bariatric Surgery Patient Review Article
Surgery for Obesity and Related Diseases, Volume 4, Issue 5, Supplement, September–October 2008, Pages S109-S184
Jeffrey I. Mechanick, Robert F. Kushner, Harvey J. Sugerman, J. Michael Gonzalez-Campoy, Maria L. Collazo-Clavell, Safak Guven, Adam F. Spitz, Caroline M. Apovian, Edward H. Livingston, Robert Brolin, David B. Sarwer, Wendy A. Anderson, John Dixon
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8 Clinical Practice Guidelines for the Perioperative Nutritional, Metabolic, and Nonsurgical Support of the Bariatric Surgery Patient—2013 Update: Cosponsored by American Association of Clinical Endocrinologists, The Obesity Society, and American Society for Metabolic & Bariatric Surgery Review Article
Surgery for Obesity and Related Diseases, Volume 9, Issue 2, March–April 2013, Pages 159-191
Jeffrey I. Mechanick, Adrienne Youdim, Daniel B. Jones, W. Timothy Garvey, Daniel L. Hurley, M. Molly McMahon, Leslie J. Heinberg, Robert Kushner, Ted D. Adams, Scott Shikora, John B. Dixon, Stacy Brethauer
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9 Bariatric surgery and the gut-brain communication—The state of the art three years later Review Article
Nutrition, Volume 26, Issue 10, October 2010, Pages 925-931
Maria de Fátima Haueisen S. Diniz, Valéria M. Azeredo Passos, Marco Túlio C. Diniz
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10 Postoperative Metabolic and Nutritional Complications of Bariatric Surgery Review Article
Gastroenterology Clinics of North America, Volume 39, Issue 1, March 2010, Pages 109-124
Timothy R. Koch, Frederick C. Finelli
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Bariatric surgery has become an increasingly important method for management of medically complicated obesity. In patients who have undergone bariatric surgery, up to 87% with type 2 diabetes mellitus develop improvement or resolution of their disease postoperatively. Bariatric surgery can reduce the number of absorbed calories through performance of either a restrictive or a malabsorptive procedure. Patients who have undergone bariatric surgery require indefinite, regular follow-up care by physicians who need to follow laboratory parameters of macronutrient as well as micronutrient malnutrition. Physicians who care for patients after bariatric surgery need to be familiar with common postoperative syndromes that result from specific nutrient deficiencies.
11 Update: Metabolic and Cardiovascular Consequences of Bariatric Surgery Review Article
Endocrinology and Metabolism Clinics of North America, Volume 40, Issue 1, March 2011, Pages 81-96
Donald W. Richardson, Mary Elizabeth Mason, Aaron I. Vinik
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Obesity is a disease state with polygenic inheritance, the phenotypic penetrance of which has been greatly expanded by the attributes of modern civilization. More than two-thirds of obese persons have comorbidities, many of which are characteristic of cardiometabolic risk syndrome (CMRS) in addition to other life-quality–reducing complaints. The CMRS is associated with increased cardiovascular events and mortality. Individuals with a body mass index greater than 35 infrequently achieve or maintain weight loss adequate to resolve these metabolic and anatomic issues by lifestyle or pharmacologic strategies. Data suggest that some of these patients may be better served by bariatric surgery.
12 Secretion and Function of Gastrointestinal Hormones after Bariatric Surgery: Their Role in Type 2 Diabetes Review Article
Canadian Journal of Diabetes, Volume 35, Issue 2, 2011, Pages 115-122
Alpana Shukla, Francesco Rubino
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13 Cirurgia bariátrica: como e por que suplementar Review Article
Revista da Associação Médica Brasileira, Volume 57, Issue 1, January–February 2011, Pages 113-120
Livia Azevedo Bordalo, Tatiana Fiche Sales Teixeira, Josefina Bressan, Denise Machado Mourão
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14 Tratamiento quirúrgico de la obesidad: recomendaciones prácticas basadas en la evidencia Original Research Article
Endocrinología y Nutrición, Volume 55, Supplement 3, March 2008, Pages 1-24
M. José Morales, M. Jesús Díaz-Fernández, Assumpta Caixàs, Albert Goday, José Moreiro, Juan José Arrizabalaga, Alfonso Calañas-Continente, Guillem Cuatrecasas, Pedro Pablo García-Luna, Lluís Masmiquel, Susana Monereo, Basilio Moreno, Wilfredo Ricart, Josep Vidal, Fernando Cordido
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15 Micronutrient deficiencies after bariatric surgery Review Article
Nutrition, Volume 26, Issues 11–12, November–December 2010, Pages 1031-1037
Padmini Shankar, Mallory Boylan, Krishnan Sriram
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16 Xeroftalmía bilateral por déficit de vitamina A secundario a cirugía bariátrica
Endocrinología y Nutrición, Volume 54, Issue 7, August 2007, Pages 398-401
Beatriz Alonso Castañeda, María Ángeles Valero Zanuy, Paula Soriano Perera, Francisco García Ruiz, Roberto López Lancho, Susana Perucho Martínez
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17 Metabolic surgery and gut hormones – A review of bariatric entero-humoral modulation Review Article
Physiology & Behavior, Volume 97, Issue 5, 14 July 2009, Pages 620-631
Hutan Ashrafian, Carel W. le Roux
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18 Bariatric surgery in duodenal switch procedure: weight changes and associated nutritional deficiencies Original Research Article
Endocrinología y Nutrición (English Edition), Volume 58, Issue 5, 2011, Pages 214-218
Francisco Botella Romero, Marta Milla Tobarra, José Joaquín Alfaro Martínez, Llanos García Arce, Angélica García Gómez, M. Ángeles Salas Sáiz, Antonio Soler Marín
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19 Alteraciones del metabolismo óseo en la cirugía bariátrica Review Article
Medicina Clínica, Volume 136, Issue 5, 26 February 2011, Pages 215-221
Virginia Ruiz-Esquide, Pilar Peris, Laia Gifre, Nuria Guañabens
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20 Bariatric surgery in patients with late-stage type 2 diabetes: expected beneficial effects on risk ratio and outcomes Original Research Article
Diabetes & Metabolism, Volume 35, Issue 6, Part 2, December 2009, Pages 564-568
E. Renard
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21 Reversible neurologic dysfunction caused by severe Vitamin deficiency after malabsorptive bariatric surgery
Surgery for Obesity and Related Diseases, Volume 2, Issue 6, November–December 2006, Pages 656-660
Michael M. Rothkopf
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22 What can bariatric surgery teach us about the pathophysiology of type 2 diabetes? Original Research Article
Diabetes & Metabolism, Volume 35, Issue 6, Part 2, December 2009, Pages 499-507
F. Andreelli, C. Amouyal, C. Magnan, G. Mithieux
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23 Seasonal changes in serum 25-OH-Vitamin D3 after bariatric surgery
e-SPEN, the European e-Journal of Clinical Nutrition and Metabolism, Volume 3, Issue 5, October 2008, Pages e208-e210
F. Granado-Lorencio, A. Simal-Antón, I. Blanco-Navarro
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24 Decreased dopamine type 2 receptor availability after bariatric surgery: Preliminary findings Original Research Article
Brain Research, Volume 1350, 2 September 2010, Pages 123-130
Julia P. Dunn, Ronald L. Cowan, Nora D. Volkow, Irene D. Feurer, Rui Li, D. Brandon Williams, Robert M. Kessler, Naji N. Abumrad
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25 Nutritional Deficiencies in Obesity and After Bariatric Surgery Review Article
Pediatric Clinics of North America, Volume 56, Issue 5, October 2009, Pages 1105-1121
Stavra A. Xanthakos
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