Neuro-oncology · 2025
Postoperative fluid restriction to prevent delayed hyponatremia after endoscopic transsphenoidal surgery.
СтатьяРандомизированное исследованиеНазвание и аннотация: Перевод пока не подготовлен
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Klaassen Doriann, Mok Shinghei, Hwang Jenie Y, Blount Sydney L, Williams Kelley J, Fong Brendan M, Chicoine Michael R, Dacey Ralph G, Farrell Nyssa F, Osbun Joshua W, Rich Keith M, Roland Lauren T, Schneider John S, Zipfel Gregory J, Luo Chongliang, Kim Albert H, Silverstein Julie M
Аннотация
BACKGROUND: Readmission following endoscopic endonasal transsphenoidal surgery (EETS) for pituitary neuroendocrine tumor (PitNET) and other sellar pathology is most commonly due to delayed hyponatremia. Studies suggest postoperative fluid restriction (FR) reduces delayed hyponatremia. We present a prospective randomized controlled study evaluating post-EETS FR.
METHODS: 300 participants were scheduled for EETS (2016-2023) at a single institution. Patients with CKD, CHF, arginine vasopressin deficiency on postoperative day (POD) 3, chronic hyponatremia, and untreated adrenal insufficiency or hypothyroidism were excluded. Groups included control (ad-lib, n = 94), moderate FR (1.8 L/day or 2 L/day weight > 100 kg, n = 39), and strict FR (1 L/day or 1.2 L/day weight > 100 kg, n = 62) from POD 3-14. Incidence of overall, moderate, and severe hyponatremia (Na < 135, 125-129, and <125 mEq/L), readmission rates, fluid intake, and thirst were evaluated.
RESULTS: The incidence of overall hyponatremia was 31.9%, 28.2%, and 21.0% in control, moderate FR, and strict FR groups, and the incidence of severe hyponatremia was 7.4%, 5.1%, and 0% in control, moderate FR, and strict FR groups. Nadir Na level was higher (1.81 mEq/L; 95% CI, 0.34 to 3.27; P = .02) and severe hyponatremia occurred less frequently (95% CI, 0.00 to 1.02; P = .04) in the strict FR vs. control group. Readmission was lower in the strict FR (1.6%, n = 1) vs. control group (6.4%, n = 6).
CONCLUSIONS: Postoperative FR decreases rates of delayed hyponatremia and related readmission compared to patients drinking ad-lib. Further studies are needed to assess the optimal volume and duration of FR after EETS. Trial registration number: NCT03636568.
METHODS: 300 participants were scheduled for EETS (2016-2023) at a single institution. Patients with CKD, CHF, arginine vasopressin deficiency on postoperative day (POD) 3, chronic hyponatremia, and untreated adrenal insufficiency or hypothyroidism were excluded. Groups included control (ad-lib, n = 94), moderate FR (1.8 L/day or 2 L/day weight > 100 kg, n = 39), and strict FR (1 L/day or 1.2 L/day weight > 100 kg, n = 62) from POD 3-14. Incidence of overall, moderate, and severe hyponatremia (Na < 135, 125-129, and <125 mEq/L), readmission rates, fluid intake, and thirst were evaluated.
RESULTS: The incidence of overall hyponatremia was 31.9%, 28.2%, and 21.0% in control, moderate FR, and strict FR groups, and the incidence of severe hyponatremia was 7.4%, 5.1%, and 0% in control, moderate FR, and strict FR groups. Nadir Na level was higher (1.81 mEq/L; 95% CI, 0.34 to 3.27; P = .02) and severe hyponatremia occurred less frequently (95% CI, 0.00 to 1.02; P = .04) in the strict FR vs. control group. Readmission was lower in the strict FR (1.6%, n = 1) vs. control group (6.4%, n = 6).
CONCLUSIONS: Postoperative FR decreases rates of delayed hyponatremia and related readmission compared to patients drinking ad-lib. Further studies are needed to assess the optimal volume and duration of FR after EETS. Trial registration number: NCT03636568.