Abstract
Objective To study the clinical effect of total parathyroidectomy (TPTX) on treatment of secondary hyperparathyroidism (SHPT) in patients with chronic renal failure. Methods 24 patients undergoing TPTX in Mianyang Central Hospital from Jan. 2014 to Nov. 2016 were retrospectively analyzed. The preoperative, postoperative and follow-up intact parathyroid hormone (iPTH) , serum calcium, serum phosphorus and calcium-phosphorus product were statistically analyzed. The postoperative complications and recurrence were observed. Results For preoperative, 1 week after operation, 3 months after operation, 6 months after operation, 12 months after operation, 24 months after operation and 36 months after operation, the mean values of iPTH were (1771.7±244.5) pg/ml, (70.2±18.2) pg/ml, (106.5±35.3) pg/ml, (114.3±31.3) pg/ml, (122.1±27.8) pg/ml, (128.1±12.5) pg/ml and (113.8±24.9) pg/ml. The mean values of serum calcium were (2.6±0.4) mmol/L, (1.9±0.4) mmol/L, (2.1±0.3) mmol/L, (2.1±0.2) mmol/L, (1.8±0.2) mmol/L, (1.8±0.2) mmol/L and (1.8±0.3) mmol/L. The mean values of serum phosphorus were (2.1±0.7) mmol/L, (1.4±0.6) mmol/L, (1.3±0.4) mmol/L, (1.4±0.3) mmol/L, (1.3±0.3) mmol/L, (1.5±0.2) mmol/L and (1.4±0.4) mmol/L. The mean values of calcium-phosphorus product were (61.9±17.0) mg2/dl2, (34.6±19.4) mg2/dl2, (37.4±14.4) mg2/dl2, (40.4±12.3) mg2/dl2, (29.2±5.3) mg2/dl2, (35.0±7.1) mg2/dl2 and (32.4±11.3) mg2/dl2, respectively. Compared with those before operation, postoperative iPTH, serum calcium, serum phosphorus and calcium-phosphorus product decreased significantly at 1 week after operation, 3 months after operation, 6 months after operation, 12 months after operation, 24 months after operation and 36 months after operation, and the differences had statistical significance (all P<0.05) . Temporary injury of recurrent laryngeal nerve was found in one patient (4.2%) . Early postoperative hypocalcemia rate was 91.7% (22/24) . No recurrence developed after operation. Conclusion TPTX is safe and effective in treatment of SHPT in patients with chronic renal failure, with low recurrence rate and satisfactory treatment outcome. Key words: Chronic kidney failure; Secondary hyperparathyroidism; Parathyroidectomy; Parathyroid hormone; Hypocalcemia
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