Outcomes of Elderly Patients Undergoing Curative Resection for Retroperitoneal Sarcomas: Analysis From the US Sarcoma Collaborative. The Journal of surgical research Wilkinson, K. H., Ethun, C. G., Hembrook, M., Bedi, M., Charlson, J., Mogal, H., Tsai, S., Christians, K., Tran, T. B., Poultsides, G., Grignol, V., Howard, J. H., Tseng, J., Roggin, K. K., Chouliaras, K., Votanopoulos, K., Cullinan, D., Fields, R. C., Weber, S., Gamblin, T. C., Cardona, K., Clarke, C. N. 2019; 233: 154–62


BACKGROUND: The postoperative outcomes of elderly patients undergoing resection of retroperitoneal sarcomas (RPS) have not been widely studied.METHODS: Patients undergoing surgical resection for primary or recurrent RPS between 2000 and 2015 at participating US Sarcoma Collaborative institutions were identified. Patient demographics, perioperative morbidity, mortality, length of stay, discharge to home, disease-specific survival, and disease-free survival were compared between elderly (=70y, n=171) and nonelderly (<70y, n=494) patients.RESULTS: There was no difference in perioperative morbidity (total and major complications elderly versus nonelderly: 39% versus 35%; P=0.401 and 18% versus 17%; P=0.646, respectively) or mortality between elderly and nonelderly patients with each group experiencing a 1% 30-d mortality rate. Length of stay and 30-d readmission rates were similar (elderly versus nonelderly; 7d interquartile range [IQR: 5-9] versus 6d [IQR: 4-9], P=0.528 and 11% versus 12%, P=0.667). Elderly patients were more likely to be discharged to a skilled nursing or rehabilitation facility (elderly versus nonelderly; 19% versus 7%, P<0.001). There was no difference in 3-y disease-free survival between the elderly and nonelderly patients (41% versus 43%, P=0.65); however, elderly patients had a lower 3-y disease-specific survival (60% versus 76%, P<0.001). In elderly patients, the presence of multiple comorbidities and high-grade tumors were most predictive of outcomes.CONCLUSIONS: Advanced age was not associated with an increased risk of perioperative morbidity and mortality following resection of RPS in this multi-institutional review. Although short-term oncologic outcomes were similar in both groups, the risk of death after sarcoma recurrence was higher in elderly patients and may be related to comorbidity burden and tumor histology.

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