William T Burke1,2, David J Cote2,3, Sherry I Iuliano2,3, Hasan A Zaidi2,3, Edward R Laws4,5. 1. University of Louisville Medical School, Louisville, KY, USA. 2. Pituitary/Neuroendocrine Center, Brigham and Women's Hospital, 60 Fenwood Road, Boston, MA, USA. 3. Harvard Medical School, Boston, MA, USA. 4. Pituitary/Neuroendocrine Center, Brigham and Women's Hospital, 60 Fenwood Road, Boston, MA, USA. elaws@partners.org. 5. Harvard Medical School, Boston, MA, USA. elaws@partners.org.
Abstract
INTRODUCTION: Patients undergoing transsphenoidal pituitary surgery (TSS) are at risk for several serious complications, including the syndrome of inappropriate antidiuretic hormone and subsequent hyponatremia. OBJECTIVE: In this study, we examined the effect of 1 week of post-discharge fluid restriction to 1.0 L daily on rates of post-operative readmission for hyponatremia. METHODS: We retrospectively analyzed all patients undergoing TSS from 2008 to 2014 and prospectively recorded patient data from 2015 to 2017. Patients were divided into a control cohort (2008-2014), who were discharged with instructions to drink to thirst; and an intervention cohort (2015-2017) who were instructed to drink less than 1.0 L daily for 1 week post-operatively. RESULTS: This study included 788 patients; 585 (74.2%) in the control cohort and 203 (25.8%) in the intervention cohort. Overall, 436 (55.3%) were women, the median age was 47 (range 15-89), and average BMI was 29.4 kg/m2 (range 17.7-101.7). Patients were relatively well matched. Of patients in the intervention group, none was readmitted for hyponatremia (0/203), compared to 3.41% (20/585) in the control group (p = 0.003). Patients in the intervention group also had significantly higher post-operative week one sodium levels (140.1 vs 137.5 mEq/L; p = 0.002). No fluid balance complications occurred in patients who followed this protocol. CONCLUSION: Hyponatremia can be a life-threatening complication of TSS, and prevention of readmission for hyponatremia can help improve patient safety and decrease costs. Mandatory post-discharge fluid restriction is a simple and inexpensive intervention associated with decreased rates of readmission for hyponatremia and normal post-operative sodium levels.
INTRODUCTION:Patients undergoing transsphenoidal pituitary surgery (TSS) are at risk for several serious complications, including the syndrome of inappropriate antidiuretic hormone and subsequent hyponatremia. OBJECTIVE: In this study, we examined the effect of 1 week of post-discharge fluid restriction to 1.0 L daily on rates of post-operative readmission for hyponatremia. METHODS: We retrospectively analyzed all patients undergoing TSS from 2008 to 2014 and prospectively recorded patient data from 2015 to 2017. Patients were divided into a control cohort (2008-2014), who were discharged with instructions to drink to thirst; and an intervention cohort (2015-2017) who were instructed to drink less than 1.0 L daily for 1 week post-operatively. RESULTS: This study included 788 patients; 585 (74.2%) in the control cohort and 203 (25.8%) in the intervention cohort. Overall, 436 (55.3%) were women, the median age was 47 (range 15-89), and average BMI was 29.4 kg/m2 (range 17.7-101.7). Patients were relatively well matched. Of patients in the intervention group, none was readmitted for hyponatremia (0/203), compared to 3.41% (20/585) in the control group (p = 0.003). Patients in the intervention group also had significantly higher post-operative week one sodium levels (140.1 vs 137.5 mEq/L; p = 0.002). No fluid balance complications occurred in patients who followed this protocol. CONCLUSION:Hyponatremia can be a life-threatening complication of TSS, and prevention of readmission for hyponatremia can help improve patient safety and decrease costs. Mandatory post-discharge fluid restriction is a simple and inexpensive intervention associated with decreased rates of readmission for hyponatremia and normal post-operative sodium levels.
Entities:
Keywords:
Complications; Hyponatremia; Pituitary adenoma; Transsphenoidal surgery
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