Abstract
Introduction
Small institutional studies have shown that adrenalectomy to remove solitary metastases to the adrenal gland is safe and can improve overall survival for selective primary tumors. However, outcomes of adrenal metastasectomy have not been evaluated using large, national databases.
Materials and methods
All cases of adrenal metastasectomies from 1992 to 2011 were identified in the HCUP-NIS database. The primary endpoint analyzed was death during the same hospitalization. Secondary outcomes included length of stay (LOS), blood loss requiring transfusion, surgical infection, cardiac complications, and respiratory complications. A sub-analysis of 428 patients stratified by primary tumor (where data were available) was also performed. Statistical analysis was performed using chi-square, ANOVA, and logistic regression using Stata software, significance was set at p value of 0.05.
Results
A total of 2,057 cases of adrenal metastasectomies were identified. Median age of the patients was 62 ± 13.2 years (49.9 % men, 69.7 % Caucasian). Over the study period, there was a general increase in the number of cases performed and the number performed by minimally invasive approaches. There was also a decrease in LOS and number of deaths. However, age ≥71 years predicted a significantly higher rate of mortality (OR = 6.0, CI 1.3–26.5) when controlled for race, procedure type, year of surgery, and primary tumor in multivariable analysis. This age group had a higher number of cardiac complications (5.4 %, p = 0.005) that potentially contributed to the higher mortality rate. In addition, there was no difference in surgical outcomes when stratified by primary tumor type for the entire cohort of patients.
Conclusion
Adrenal metastasectomy is a safe procedure with decreasing same-hospitalization mortality from 1992 to 2011. However, age ≥71 years is a significant risk factor for same-hospitalization mortality. This increased risk should be considered when discussing adrenal metastasectomy in this age population.
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McManus, C., Wingo, M., Chabot, J.A. et al. Septuagenarians and Older Patients are at a Higher Risk of Mortality with Adrenal Metastasectomy: An Analysis of the HCUP-NIS Database From 1992 to 2011. World J Surg 40, 2391–2397 (2016). https://doi.org/10.1007/s00268-016-3537-7
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DOI: https://doi.org/10.1007/s00268-016-3537-7