STUDY DESIGN: Retrospective case series. PURPOSE: To investigate the oncological outcomes, including distant relapse, after en bloc spondylectomy (EBS) for spinal metastases in patients with a minimum of 2-year follow-up. OVERVIEW OF LITERATURE: Although EBS has been reported to be locally curative and extend survival in select patients with spinal metastases, detailed reports regarding the control of distant relapse after EBS are lacking. METHODS: We conducted a retrospective review of 18 consecutive patients (median age at EBS, 62 years; range, 40–77 years) who underwent EBS for spinal metastases between 1991 and 2015. The primary cancer sites included the kidney (n=7), thyroid (n=4), liver (n=3), and other locations (n=4). Survival rates were estimated using the Kaplan–Meier method, and groups were compared using the log-rank method. RESULTS: The median operative time and intraoperative blood loss were 767.5 minutes and 2,375 g, respectively. Twelve patients (66.7%) experienced perioperative complications. Five patients (27.8%) experienced local recurrence of the tumor at a median of 12.5 months after EBS, four of which had a positive resection margin status. Thirteen patients (72.2%) experienced distant relapse at a median of 21 months after EBS. The estimated median survival period after distant relapse was 20 months (95% confidence interval, 0.71–39.29 months). No association was found between resection margin status and distant relapse. Overall, the 2-year, 5-year, and 10-year survival rates after EBS were 72.2%, 48.8%, and 27.1%, respectively. Importantly, the era in which EBS was performed did not impact the oncological outcomes. CONCLUSIONS: Our results suggest that EBS by itself, even if margin-free, cannot prevent further dissemination, which occurred in >70% of patients at a median of 21 months after EBS. These results should be considered and conveyed to patients for clinical decision-making.
Clinical Decision-Making ; Follow-Up Studies ; Humans ; Kidney ; Liver ; Methods ; Neoplasm Metastasis ; Operative Time ; Recurrence ; Retrospective Studies ; Spine ; Survival Rate ; Thyroid Gland

We investigated the relationship between neonatal blood hemoglobin (Hb) and period of oxygen administration in 4 cases of fetomaternal transfusion syndrome at our hospital. The hematological parameters were as follows. Case 1: Hb 7.0 g/dL, reticulocyte count 177‰, no blood transfusion, and oxygen administration for 3 days. Case 2: Hb 4.7 g/dL, reticulocyte count 132‰, blood transfusion given, and oxygen administration for 7 days. Case 3: Hb 4.1 g/dL, reticulocyte count 202‰, blood transfusion given, and oxygen administration for 12 days. Case 4: Hb 3.6 g/dL, reticulocyte count 48‰, and blood transfusion given. In Case 4, we started artificial respiration and oxygen administration for treatment of neonatal asphyxia. Oxygen administration was stopped at 50 days of age. Artificial respiration was continued, and tracheostomy was attempted at 198 days of age. Case 4 was classified as having acute blood loss based on the reticulocyte count and had a poorer prognosis than Cases 1-3, which were classified as having chronic blood loss. In Cases 1-3, peripheral blood Hb level was inversely related to the period of oxygen administration.