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Konstantinos Vagenas

Researcher at University of Patras

Publications -  19
Citations -  1563

Konstantinos Vagenas is an academic researcher from University of Patras. The author has contributed to research in topics: Weight loss & Cancer. The author has an hindex of 14, co-authored 19 publications receiving 1476 citations. Previous affiliations of Konstantinos Vagenas include Massachusetts Institute of Technology.

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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

TL;DR: The markedly reduced ghrelin levels in addition to increased PYY levels after LSG, are associated with greater appetite suppression and excess weight loss compared with LRYGBP.
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Changes in aetiology and clinical outcome of acute upper gastrointestinal bleeding during the last 15 years.

TL;DR: The aetiology of AUGIB has changed during the last 15 years probably due to the better therapeutic approach to chronic duodenal ulcers and increasing use of NSAIDs in the elderly.
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Complications and risk factors related to the extent of surgery in thyroidectomy. Results from 2,043 procedures.

TL;DR: Despite the higher morbidity, total thyroidectomy is emerging as an attractive surgical option even for benign thyroid disease due to the risk of subclinical (occult) malignancy, the possibility of goiter relapse as well as of the increased risk of complications following reoperation.
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Intragastric balloon for high-risk super-obese patients: a prospective analysis of efficacy

TL;DR: BIB placement can be considered an effective first-stage treatment of high-risk super-obese patients in need of surgical intervention and generally a simple procedure leading to satisfactory weight loss, improvement in co-morbidities, and consequent reduction of the perioperative mortality and morbidity rates associated with surgery.
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Assessing sexual function in obese women preparing for bariatric surgery.

TL;DR: Obesity-related sexual dysfunction appears to be a complex condition linked to a range of social, psychological and biological factors and Clinicians are encouraged to evaluate routinely sexual function in this patient population in order to detect those who are in need of intervention.