F. Kalfarentzos

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Biliopancreatic Diversion with Roux-en-Y Gastric Bypass and Long Limbs: Advances in Surgical Treatment for Super-obesity

T. Alexandrides, I. Kehagias, M. Argentou, 2011, Obesity surgery.

Hormone changes and diabetes resolution after biliopancreatic diversion and laparoscopic sleeve gastrectomy: a comparative prospective study.

T. Alexandrides, I. Kehagias, M. Tsoli, 2013, Surgery for obesity and related diseases : official journal of the American Society for Bariatric Surgery.

A Prospective Randomized Study Comparing Patients with Morbid Obesity Submitted to Sleeve Gastrectomy With or Without Omentectomy

I. Kehagias, M. Argentou, E. Sdralis, 2013, Obesity Surgery.

Dissociation of the early decline in serum T(3) concentration and serum IL-6 rise and TNFalpha in nonthyroidal illness syndrome induced by abdominal surgery.

V. Kyriazopoulou, M. Makri, A. Vagenakis, 2001, The Journal of clinical endocrinology and metabolism.

Vertical Banded Gastroplasty Versus Standard or Distal Roux-en-Y Gastric Bypass Based on Specific Selection Criteria in the Morbidly Obese: Preliminary Results

I. Kehagias, F. Kalfarentzos, N. Mead, 1999, Obesity surgery.

A Prospective Evaluation of a Variant of Biliopancreatic Diversion with Roux-en-Y Reconstruction in Mega-obese Patients (BMI ≥ 70 kg/m2)

I. Kehagias, F. Kalfarentzos, G. Skroubis, 2008, Obesity surgery.

Roux-en-Y Gastric Bypass versus a Variant of Biliopancreatic Diversion in a Non-Superobese Population: Prospective Comparison of the Efficacy and the Incidence of Metabolic Deficiencies

I. Kehagias, F. Kalfarentzos, G. Skroubis, 2006, Obesity surgery.

Ghrelin and Peptide YY Levels after a Variant of Biliopancreatic Diversion with Roux-en-Y Gastric Bypass versus after Colectomy: A Prospective Comparative Study

T. Alexandrides, F. Kalfarentzos, K. Vagenas, 2006, Obesity surgery.

Adequate vitamin D supplementation does not ameliorate bone loss following long limb-biliopancreatic diversion in morbidly obese women

T. Alexandrides, V. Koika, G. Tzavelas, 2020, Hormones.

The role of nasogastric tube after elective abdominal surgery.

E. Tzoracoleftherakis, J. Androulakis, D. Koukouras, 2001, La Clinica terapeutica.

Comparison of forearm muscle dynamometry with nutritional prognostic index, as a preoperative indicator in cancer patients.

J. Spiliotis, J. Androulakis, F. Kalfarentzos, 1989, JPEN. Journal of parenteral and enteral nutrition.

Glucose Levels and Insulin Secretion in Surgery-Induced Hyperglycemia in Normoglycemic Obese Patients

V. Kyriazopoulou, M. Argentou, A. Vagenakis, 2008, Obesity surgery.

Preoperative High Dose of Methylprednisolone Improves Early Postoperative Pulmonary Function, in Super-Obese Patients Undergoing Open Surgery; a Prospective, Comparative Study

T. Alexandrides, A. Zotou, F. Kalfarentzos, 2016, Journal of Gastrointestinal Surgery.

The effect of parenteral indomethacin on T-lymphocyte subpopulations and cytokine production in patients under major surgical operations

C. Gogos, J. Maroulis, N. Zoumbos, 1995, Research in experimental medicine. Zeitschrift fur die gesamte experimentelle Medizin einschliesslich experimenteller Chirurgie.

Medium- and long-chain triglycerides have different effects on the synthesis of tumor necrosis factor by human mononuclear cells in patients under total parenteral nutrition.

C. Gogos, M. Makri, N. Zoumbos, 1994, Journal of the American College of Nutrition.

Lower Ghrelin Levels and Exaggerated Postprandial Peptide-YY, Glucagon-Like Peptide-1, and Insulin Responses, After Gastric Fundus Resection, in Patients Undergoing Roux-en-Y Gastric Bypass: A Randomized Clinical Trial

T. Alexandrides, I. Kehagias, M. Leotsinidis, 2012, Obesity Surgery.

Comparison of Early and Late Complications after Various Bariatric Procedures: Incidence and Treatment During 15 Years at a Single Institution

G. Sakellaropoulos, F. Kalfarentzos, G. Skroubis, 2010, World Journal of Surgery.

Anesthesia management for the super obese: is sevoflurane superior to propofol as a sole anesthetic agent? A double-blind randomized controlled trial.

K. Filos, A. Zotou, F. Kalfarentzos, 2015, European review for medical and pharmacological sciences.

Dissociation of Thyrotropin and Leptin Secretion in Acute Surgical Stress in Severely Obese Patients

V. Kyriazopoulou, M. Argentou, A. Vagenakis, 2009, Obesity Surgery.

Bone Mass Decreases in Morbidly Obese Women after Long Limb-Biliopancreatic Diversion and Marked Weight Loss Without Secondary Hyperparathyroidism. A Physiological Adaptation to Weight Loss?

T. Alexandrides, D. Tsiftsis, P. Mylonas, 2009, Obesity surgery.

Revisional bariatric surgery: 13-year experience from a tertiary institution.

I. Kehagias, F. Kalfarentzos, N. Mead, 2010, Archives of surgery.

Assessing Sexual Function in Obese Women Preparing for Bariatric Surgery

G. Iconomou, K. Assimakopoulos, K. Karaivazoglou, 2006, Obesity surgery.

Laparoscopic versus open appendectomy: which way to go?

I. Kehagias, F. Kalfarentzos, S. Karamanakos, 2008, World journal of gastroenterology.

Prophylaxis of Venous Thromboembolism Using Two Different Doses of Low-Molecular-Weight Heparin (Nadroparin) in Bariatric Surgery: A Prospective Randomized Trial

I. Kehagias, Maria Karamesini, F. Kalfarentzos, 2001, Obesity surgery.

THE INCIDENCE OF DELAYED PNEUMOTHORAX AS A COMPLICATION OF SUBCLAVIAN VEIN CATHETERISATION

J. Spiliotis, T. Kordossis, F. Kalfarentzos, 1992, The British journal of clinical practice.

Efficacy of sleeve gastrectomy as sole procedure in patients with clinically severe obesity (BMI ≤50 kg/m(2)).

I. Kehagias, F. Kalfarentzos, S. Karamanakos, 2013, Surgery for obesity and related diseases : official journal of the American Society for Bariatric Surgery.

Intragastric balloon for high-risk super-obese patients: a prospective analysis of efficacy.

F. Kalfarentzos, N. Mead, Charalambos Spyropoulos, 2007, Surgery for obesity and related diseases : official journal of the American Society for Bariatric Surgery.

Total parenteral nutrition and immune system activity: a review.

C. Gogos, F. Kalfarentzos, Gogos Ca, 1995, Nutrition.

Management of gastrointestinal leaks after surgery for clinically severe obesity.

T. Petsas, K. Thomopoulos, I. Kehagias, 2012, Surgery for obesity and related diseases : official journal of the American Society for Bariatric Surgery.

The Role of CT-guided Percutaneous Gastrostomy in Patients With Clinically Severe Obesity Presenting With Complications After Bariatric Surgery

K. Katsanos, A. Karatzas, T. Petsas, 2010, Surgical laparoscopy, endoscopy & percutaneous techniques.

A Prospective Comparison of Vertical Banded Gastroplasty and Roux-en-Y Gastric Bypass in a Non-Superobese Population

I. Kehagias, F. Kalfarentzos, G. Skroubis, 2006, Obesity surgery.

Complications of parenteral nutrition at the end of the century.

J. Maroulis, F. Kalfarentzos, 2000, Clinical nutrition.

Long-Term Results of a Prospective Comparison of Roux-en-Y Gastric Bypass versus a Variant of Biliopancreatic Diversion in a Non-Superobese Population (BMI 35–50 kg/m2)

F. Kalfarentzos, G. Skroubis, N. Mead, 2014, Obesity Surgery.

Effect of glutamine on intestinal mucosal integrity and bacterial translocation after abdominal radiation.

K. Vagianos, S. Scopa, S. Moschos, 1991, Clinical nutrition.

Utility of CT perfusion for evaluation of the severity of non-alcoholic fatty liver disease (NAFLD) in morbid obese patients.

C. Kalogeropoulou, T. Petsas, A. Karatzas, 2011 .

Effects of Growth Hormone and Insulin-Like Growth Factor-I on Radiation Enteritis

T. Alexandrides, D. Kardamakis, J. Spiliotis, 1998, European Surgical Research.

Growth hormone and insulin-like growth factor I protect intestinal cells from radiation induced apoptosis

C. Vagianos, T. Alexandrides, P. Matsouka, 2000, Molecular and Cellular Endocrinology.

Dietary Iodine Absorption is not Influenced by Malabsorptive Bariatric Surgery

K. Markou, A. Vagenakis, M. Michalaki, 2014, Obesity Surgery.

Effect of different types of total parenteral nutrition on T-lymphocyte subpopulations and NK cells.

C. Gogos, N. Zoumbos, F. Kalfarentzos, 1990, The American journal of clinical nutrition.

The role of hypoalbuminemia in the development of the TPN-associated cholestasis.

J. Spiliotis, J. Androulakis, F. Kalfarentzos, 1986, Clinical nutrition.

Neurotensin reduces microbial translocation and improves intestinal mucosa integrity after abdominal radiation.

C. Vagianos, C. Scopa, I. Spiliopoulou, 1992, European surgical research. Europaische chirurgische Forschung. Recherches chirurgicales europeennes.

Intramural gastric actinomycosis.

A. Skoutelis, F. Kalfarentzos, H. Bassaris, 1995, Southern medical journal.

Thyroid function in humans with morbid obesity.

V. Kyriazopoulou, M. Makri, A. Vagenakis, 2006, Thyroid : official journal of the American Thyroid Association.

Dietary omega‐3 polyunsaturated fatty acids plus vitamin E restore immunodeficiency and prolong survival for severely ill patients with generalized malignancy

C. Gogos, F. Kalfarentzos, Nikolas C. Zoumbos, 1998, Cancer.

Enteral nutrition is superior to parenteral nutrition in severe acute pancreatitis: Results of a randomized prospective trial

J. Kehagias, F. Kalfarentzos, N. Mead, 1997, The British journal of surgery.

Total parenteral nutrition in severe acute pancreatitis.

J. Androulakis, D. Karavias, F. Kalfarentzos, 1991, Journal of the American College of Nutrition.

Complications of splenic tissue reimplantation.

E. Tzoracoleftherakis, J. Androulakis, F. Kalfarentzos, 1991, Annals of the Royal College of Surgeons of England.

Baseline Hypoxemia as a Prognostic Marker for Pulmonary Complications and Outcome in Patients with Acute Pancreatitis

C. Gogos, F. Kalfarentzos, Eftihia V Polyzogopoulou, 2004, Digestive Diseases and Sciences.

Timing of enteral nutrition in acute pancreatitis: meta-analysis of individuals using a single-arm of randomised trials.

M. Rovers, H. Gooszen, M. Besselink, 2014, Pancreatology : official journal of the International Association of Pancreatology (IAP) ... [et al.].

Gallbladder contraction after hormonal manipulations in normal subjects and patients under total parenteral nutrition.

J. Spiliotis, A. Chalmoukis, A. Vagenakis, 1992, Journal of the American College of Nutrition.

Does Epidural Morphine Loading in Addition to Thoracic Epidural Analgesia Benefit the Postoperative Management of Morbidly Obese Patients Undergoing Open Bariatric Surgery? A Pilot Study

K. Filos, A. Zotou, F. Kalfarentzos, 2014, Obesity Surgery.

Long term enteral nutrition for management of gastric outlet obstruction following acid ingestion.

J. Androulakis, M. Stavropoulos, F. Kalfarentzos, 1988, Nutrition in clinical practice : official publication of the American Society for Parenteral and Enteral Nutrition.

Percutaneous endoscopic gastrostomy The clinical experience in the University Hospital of Patras

M. Karanikolas, F. Kalfarentzos, S. Panagiotopoulos, 2022 .

Intraperitoneal nutrition.

F. Kalfarentzos, 1994, Nutrition.

Decreased adipocyte glucose transporter 4 (GLUT4) and aquaglyceroporin-7 (AQP7) in adults with morbid obesity: possible early markers of metabolic dysfunction

E. Kostopoulou, I. Kehagias, B. Spiliotis, 2019, Hormones.

Cytokine Production and Monocyte HLA-DR Expression as Predictors of Outcome for Patients with Community-Acquired Severe Infections

A. Lekkou, C. Gogos, M. Karakantza, 2004, Clinical Diagnostic Laboratory Immunology.

Dermolipectomies Following Weight Loss after Surgery for Morbid Obesity

I. Kehagias, F. Kalfarentzos, L. Fotopoulos, 2000, Obesity surgery.

Comparison of Nutritional Deficiencies after Rouxen-Y Gastric Bypass and after Biliopancreatic Diversion with Roux-en-Y Gastric Bypass

G. Nikiforidis, G. Sakellaropoulos, F. Kalfarentzos, 2002, Obesity surgery.

Randomized Clinical Trial of Laparoscopic Roux-en-Y Gastric Bypass Versus Laparoscopic Sleeve Gastrectomy for the Management of Patients with BMI < 50 kg/m2

I. Kehagias, M. Argentou, F. Kalfarentzos, 2011, Obesity surgery.

Oral ornithine a-ketoglutarate accelerates healing of the small intestine and reduces bacterial translocation after abdominal radiation.

T. Alexandrides, J. Spiliotis, M. Melachrinou, 1996, Clinical nutrition.

Bariatric Surgery is Associated with Reduced Depressive Symptoms and Better Sexual Function in Obese Female Patients: A One-Year Follow-Up Study

G. Iconomou, K. Assimakopoulos, K. Karaivazoglou, 2011, Obesity surgery.

Weight Loss, Appetite Suppression, and Changes in Fasting and Postprandial Ghrelin and Peptide-YY Levels After Roux-en-Y Gastric Bypass and Sleeve Gastrectomy: A Prospective, Double Blind Study

T. Alexandrides, F. Kalfarentzos, S. Karamanakos, 2008, Annals of surgery.

Gallbladder contraction after administration of intravenous amino acids and long-chain triacylglycerols in humans.

J. Androulakis, T. Kordossis, P. Vasilakos, 1991, Nutrition.

Pregnancy outcomes and nutritional indices after 3 types of bariatric surgery performed at a single institution.

T. Alexandrides, G. Adonakis, G. Sakellaropoulos, 2014, Surgery for obesity and related diseases : official journal of the American Society for Bariatric Surgery.

A rare case of intussusception leading to the diagnosis of acquired immune deficiency syndrome: a case report

C. Gogos, I. Kehagias, F. Kalfarentzos, 2009, Journal of medical case reports.

Radical consequence in the sexuality of male patients operated for colorectal carcinoma.

J. Spiliotis, C. Scopa, E. Tzoracoleftherakis, 1991, European journal of surgical oncology : the journal of the European Society of Surgical Oncology and the British Association of Surgical Oncology.

Restoration of high-frequency glucose-entrained insulin oscillations in obese subjects with type 2 diabetes after biliopancreatic diversion.

G. Nikiforidis, T. Alexandrides, C. Argyropoulos, 2016, Surgery for obesity and related diseases : official journal of the American Society for Bariatric Surgery.

Weight loss after bariatric surgery improves aortic elastic properties and left ventricular function in individuals with morbid obesity: a 3-year follow-up study

J. Lekakis, D. Alexopoulos, D. Kremastinos, 2007, Journal of hypertension.

Irinotecan or oxaliplatin combined with leucovorin and 5-fluorouracil as first-line treatment in advanced colorectal cancer: a multicenter, randomized, phase II study.

M. Dimopoulos, T. Economopoulos, H. Kalofonos, 2005, Annals of oncology : official journal of the European Society for Medical Oncology.

Prospective evaluation of biliopancreatic diversion with roux-en-y gastric bypass in the super obese

I. Kehagias, F. Kalfarentzos, G. Skroubis, 2004, Journal of Gastrointestinal Surgery.

Total parenteral nutrition by intraperitoneal feeding in rabbits.

J. Spiliotis, J. Androulakis, D. Kalpaxis, 1988, European surgical research. Europaische chirurgische Forschung. Recherches chirurgicales europeennes.

Treatment of enterocutaneous fistulas with TPN and somatostatin, compared with patients who received TPN only

J. Spiliotis, F. Kalfarentzos, K. Vagenas, 1990, The British journal of clinical practice.

The effect of dietary omega-3 polyunsaturated fatty acids on T-lymphocyte subsets of patients with solid tumors.

C. Gogos, E. Apostolidou, N. Zoumbos, 1995, Cancer detection and prevention.

Adipokine Serum Levels Are Related to Liver Histology in Severely Obese Patients Undergoing Bariatric Surgery

C. Kittas, M. Melachrinou, D. Tiniakos, 2009, Obesity surgery.

Resolution of Diabetes Mellitus and Metabolic Syndrome following Roux-en-Y Gastric Bypass and a Variant of Biliopancreatic Diversion in Patients with Morbid Obesity

T. Alexandrides, F. Kalfarentzos, G. Skroubis, 2007, Obesity surgery.

The Expression of Omental 11β-HSD1 Is Not Increased in Severely Obese Women with Metabolic Syndrome

A. Papavassiliou, V. Koika, A. Antonacopoulou, 2012, Obesity Facts.

Liver lipid composition and intravenous, intraperitoneal, and enteral administration of intralipid.

F. Kalfarentzos, J. Santamaría, J. Penco, 1994 .

Benefits and Drawbacks of SILS Cholecystectomy

I. Kehagias, F. Kalfarentzos, S. Karamanakos, 2012, Surgical innovation.

Enteral nutrition is superior to parenteral nutrition in severe acute pancreatitis: Results of a randomized prospective trial

J. Kehagias, F. Kalfarentzos, N. Mead, 1997, The British journal of surgery.

Comparison of one anastomosis gastric bypass versus standard Roux-en-Y gastric bypass versus a variant of biliopancreatic diversion, in a case-matched, non-superobese population: 6 years of follow-up

I. Kehagias, F. Kalfarentzos, G. Skroubis, 2021, Przeglad gastroenterologiczny.

Tumor necrosis factor production by human mononuclear cells during total parenteral nutrition containing long-chain triglycerides.

C. Gogos, M. Makri, N. Zoumbos, 1992, Nutrition.

Prognostic criteria in intra-abdominal sepsis.

J. Spiliotis, J. Androulakis, F. Kalfarentzos, 1987, International surgery.

Dietary omega‐3 polyunsaturated fatty acids plus vitamin E restore immunodeficiency and prolong survival for severely ill patients with generalized malignancy

C. Gogos, F. Kalfarentzos, Panayiotis Ginopoulos, 1998, Cancer.

Management of gastrointestinal leaks after surgery for clinically severe obesity.

T. Petsas, K. Thomopoulos, I. Kehagias, 2012, Surgery for obesity and related diseases : official journal of the American Society for Bariatric Surgery.