Association of depression with all-cause and cardiovascular mortality among maintenance hemodialysis patients in China: a retrospective cohort study

IF 3.7 2区 医学 Q1 PSYCHIATRY
Shuang Zhang , Xue-Na Wang , Qi-Jun Wu , Ping Xiao , Zhi-Hong Wang , Yan Lu , Hong Liu , Shu-Xin Liu
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引用次数: 0

Abstract

Background

Depression is not uncommon among patients with end-stage renal disease being treated by hemodialysis (HD). However, the relationship between depression and mortality is inconclusive. This study aims to investigate the above relationship in maintenance hemodialysis (MHD) patients.

Methods

We conducted a retrospective cohort study involving 746 adults who were treated with long-term HD within a single dialysis center. Depression was assessed with the self-reported Patient Health Questionnaire-9 (PHQ-9). Kaplan-Meier survival analysis, multivariable Cox regression models, restricted cubic splines, subgroup and sensitivity analyses were used to assess the relationship between depression and mortality risks.

Results

Among 746 patients (median follow-up: 30.47 months), 211 deaths (28.28 %) occurred, including 149 (19.97 %) cardiovascular deaths. Compared to the non-depression group, the depression was positively associated with all-cause mortality (HR = 1.34, 95 % = 1.01–1.77) and cardiovascular mortality (HR = 1.55, 95 % = 1.11–2.17) after multivariate adjustments. Similarly, we detected a significant positive association when PHQ-9 score was a continuous variable. Besides, the risk of all-cause and cardiovascular mortality in MHD patients increased by 13 % (HR = 1.13, 95 %CI = 1.00–1.27) and by 19 % (HR = 1.19, 95 %CI = 1.03–1.36) for each standard deviation increase in PHQ-9 score, respectively. The findings were robust in all the subgroup and sensitivity analyses. Kaplan-Meier analysis revealed significantly lower cumulative survival in the depression group compared to the non-depression group (p < 0.05). Furthermore, a positive linear dose-response relationship was observed between PHQ-9 scores and the risk of all-cause and cardiovascular mortality (p non-linearity > 0.05).

Conclusions

Depression is a heterogeneous disorder and may be associated with increased mortality for MHD patients. Future research needs to assess whether early identification and treatment of depression may help to improve quality of life and survival in MHD patients.
中国维持性血液透析患者抑郁与全因死亡率和心血管死亡率的关系:一项回顾性队列研究
背景:在接受血液透析(HD)治疗的终末期肾病患者中,抑郁症并不罕见。然而,抑郁症和死亡率之间的关系尚无定论。本研究旨在探讨维持性血液透析(MHD)患者的上述关系。方法:我们进行了一项回顾性队列研究,涉及746名在单一透析中心接受长期HD治疗的成年人。抑郁症的评估采用自我报告患者健康问卷-9 (PHQ-9)。采用Kaplan-Meier生存分析、多变量Cox回归模型、受限三次样条、亚组和敏感性分析评估抑郁与死亡风险之间的关系。结果746例患者中位随访时间30.47个月,死亡211例(28.28%),其中心血管死亡149例(19.97%)。多因素调整后,与非抑郁组相比,抑郁与全因死亡率(HR = 1.34, 95% = 1.01-1.77)和心血管死亡率(HR = 1.55, 95% = 1.11-2.17)呈正相关。同样,当PHQ-9分数是一个连续变量时,我们发现了显著的正相关。PHQ-9评分每增加一个标准差,MHD患者全因死亡风险和心血管死亡风险分别增加13% (HR = 1.13, 95% CI = 1.00-1.27)和19% (HR = 1.19, 95% CI = 1.03-1.36)。结果在所有亚组和敏感性分析中都是稳健的。Kaplan-Meier分析显示,与非抑郁组相比,抑郁组的累积生存率显著降低(p < 0.05)。此外,PHQ-9评分与全因死亡率和心血管死亡率之间存在正线性剂量-反应关系(p非线性>; 0.05)。结论抑郁症是一种异质性疾病,可能与MHD患者死亡率增加有关。未来的研究需要评估早期识别和治疗抑郁症是否有助于改善MHD患者的生活质量和生存率。
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来源期刊
General hospital psychiatry
General hospital psychiatry 医学-精神病学
CiteScore
9.60
自引率
2.90%
发文量
125
审稿时长
20 days
期刊介绍: General Hospital Psychiatry explores the many linkages among psychiatry, medicine, and primary care. In emphasizing a biopsychosocial approach to illness and health, the journal provides a forum for professionals with clinical, academic, and research interests in psychiatry''s role in the mainstream of medicine.
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