Нет нужды делать эти исследования перед операцией, их и др. проводят в послеоперационный период, начиная с 3 месяцев, потом в 6 мес. и затем ежегодно, согласно рекомендациям:
The following laboratory tests are performed at three months, six months, and annually thereafter, in general agreement with published guidelines for the perioperative nutritional, metabolic, and nonsurgical support of the bariatric surgery patient:
●Complete blood count
●Electrolytes
●Glucose
●Iron studies, ferritin
●Vitamin B12
●Aminotransferases, alkaline phosphatase, bilirubin
●Albumin
●Lipid profile
●25-hydroxyvitamin D, parathyroid hormone (PTH)
●Thiamine
●Folate
●Zinc
●Copper
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. Obesity (Silver Spring). 2013 Mar;21 Suppl 1:S1-27.
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