1132PRisk and impact of renal impairment of locally advanced head and neck squamous cell carcinoma patients who received chemoradiotherapy with cisplatin
2019
Abstract Background Risk factors of cisplatin induced acute kidney injury (AKI) patients has been well described. In HNSCC, an incidence of cisplatin induced AKI was observed in 34.2%. Most studies reported AKI as a surrogate endpoint. However, delayed cisplatin induced nephrotoxicity and long-term renal outcomes were not well studied. Methods Locally advanced HNSCC patients treated between 1/2007 and 12/2018 who underwent definitive or post-operative chemoradiotherapy (CRT) with cisplatin were identified. Patient characteristics, treatments, creatinine at baseline, during, 3, 6, and 12 months after CRT completion were retrospectively reviewed. Acute kidney disease (AKD) was defined by (i) estimated glomerular filtration rate (eGFR) 50 % for Results A total of 509 patients were analyzed. Overall AKD occurred in 27.9% patients. Most patients (95%) had prophylactic feeding. ECOG of 0 was more prominent in AKD patients (p = 0.017) and hypertension (p Conclusions Almost one third of locally advanced HNSCC patients who underwent CRT with cisplatin developed AKD with peak incidence at 3 months after CRT. After 1 year, eGFR of patients with AKD had not recovered, and remained at -30% below baseline. ECOG 0 and hypertension were a predictor for AKD. Hypertension might reflect underlying kidney disease which leads to susceptibility to kidney injury. Moreover, physician’s awareness of AKD and underestimation of potential complications in fit patients might explain these findings. Legal entity responsible for the study The authors. Funding Has not received any funding. Disclosure All authors have declared no conflicts of interest.
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