Bariatric surgery is associated with a postoperative reduction of 25 (OH) vitamin D levels (25
(OH) D) and with skeletal complications. Currently, guidelines for 25 (OH) D assessment and …

Obesity and vitamin D deficiency have both been recognized as major public health issues
worldwide, and there is growing evidence that they are related, although the cause–effect …

Background Obesity surgery is acknowledged as a highly effective therapy for morbidly
obese patients. Beneficial short‐term effects on common comorbidities are practically …

The presence of nutritional deficiencies in overweight and obesity may seem paradoxic in
light of the evidence of excess caloric intake, but a growing body of literature has …

Background Obesity is a public health problem that carries global and substantial social and
economic burden. Relative to non-surgical interventions, bariatric surgery has the most …

Background Bariatric surgery is the most effective long-term weight loss method. The most
common procedures are Roux-en-Y gastric bypass (RYGB) and vertical sleeve gastrectomy …

BACKGROUND: Abnormal vitamin D levels are common in bariatric surgery patients. The
incidence of deficiencies and the response to therapy is not accurately delineated. The …

Managing the metabolic needs of the patient with obesity is a challenge unto itself without
the added demands of accounting for an altered gastrointestinal tract. Nevertheless, with …

Roux‐en‐y gastric bypass (RYGB) surgery is associated with dramatic improvements in
obesity‐related comorbidity, but also with nutritional deficiencies. Vitamin D concentrations …

Purpose To assess postoperative outcomes of sleeve gastrectomy (SG) versus Roux-en-Y
gastric bypass (RYGB). Short-term results on vitamin D and parathormone (PTH) …