Exclusion criteria
renal, adrenal dysfunction, and nervous system diseases, diabetes, coagulation dysfunction, malignant diseases, allergies, cardiovascular and cerebrovascular diseases
ALLERGIES, CHRONIC KIDNEY FAILURE, DISEASES, OSTEOPOROSIS, MALIGNANT DISEASE
Patients were excluded if they met one of the following conditions.Accompanied by an acute or serious infection;Patients had hypermagnesemia;Patients used glucocorticoids in the past three months;Patients with serious cardiovascular and cerebrovascular diseases, diabetes, coagulation dysfunction, mental and nervous system diseases, serious osteoporosis, calcium and phosphorus metabolism disorders;Patients abused drugs;Patients were experiencing an acute attack of chronic diseases;Patients with malignant diseases and pre-survival periods were less than 12 months;Patients with acute or chronic kidney failure (defined as serum creatinine exceeding 1.5 times the normal value range)Patients with a history of severe allergies or were allergies to metals;Pregnant and lactating women;Poor compliance, unable to follow up on time;Patients participated in other clinical trials within the past three months;The researcher believed that the patients were not suitable for participating in the trial;Patients taking drugs that may affect magnesium metabolism, or organ diseases related to magnesium metabolisms, such as renal, adrenal dysfunction, thyroid, and parathyroid dysfunctionThis study used a single-blind method, in which participants were randomly selected to fix the iliac bone flap in one of three ways. The participants were unaware and the researchers did not inform them of the method of fixing the iliac bone flap used.