预测患有心力衰竭的患者在入院时使用体重指数和体重减轻的死亡风险
Yuria Ishida1,2, Keisuke Maeda2,3,4, Kenta Murotani5,6
1Department of Nutrition, Aichi Medical University Hospital, Nagakute, Aichi, Japan.
Annals of geriatric medicine and research
|March 13, 2024
概括
低体重指数 (BMI) 和心力衰竭 (HF) 患者的体重减轻与死亡风险增加有关. 这项研究强调了体重和BMI在HF管理中的预后重要性.
科学领域:
- 心脏病学 心脏病学
- 临床营养学 临床营养学
- 公共卫生 公共卫生
背景情况:
- 身体质量指数 (BMI) 和心力衰竭 (HF) 患者入院时体重变化的预后影响仍然不完全理解.
- 现有研究尚未完全阐明BMI和体重波动对HF患者结果的综合影响.
研究的目的:
- 研究入院身体质量指数 (BMI) 和体重变化对被诊断为心力衰竭 (HF) 患者的死亡风险的独立和综合影响.
主要方法:
- 一项回顾性队列研究涉及4,862名日本患有HF的患者,经过99个月的跟踪.
- 使用立方体和薄板光滑线分析来评估BMI,百分比体重变化 (每半年计算) 和全因死亡率之间的关联.
- 数据来源于真实世界的日本数据库.
主要成果:
- 在BMI和死亡危险比率 (HR) 之间观察到负相关性,较低的BMI (例如18.5kg/m2) 与较高的死亡风险相关.
- 体重减轻表明死亡率HR增加的趋势,每6%的体重变化率下降与死亡风险增加1.1倍相关.
- 薄板脊柱分析证实,较低的BMI与1年和2年死亡率的更高几率比率 (OR) 有关,不论体重变化如何.
结论:
- 入院时的低BMI是心力衰竭患者死亡风险增加的重要预测因素.
- 体重减轻,独立于患者的BMI,也与HF患者死亡率更高的可能性有关.
- 这些发现强调了监测BMI和体重变化对于心力衰竭管理的预后的重要性.
更多相关视频
06:55Inverse Probability of Treatment Weighting Propensity Score using the Military Health System Data Repository and National Death Index
Published on: January 8, 2020
14.5K
13:35Segmentation and Linear Measurement for Body Composition Analysis using Slice-O-Matic and Horos
Published on: March 21, 2021
10.5K
相关概念视频
Obesity
498
The Body Mass Index (BMI) is a numerical value derived from a person's weight and height, used to categorize individuals into weight ranges. It is calculated using the formula: weight in kilograms divided by height in meters squared. Obesity is a health condition characterized by excessive accumulation of adipose tissue that poses health risks, often diagnosed with a BMI ≥ 30. This excess fat storage occurs when surplus dietary calories are converted into triglycerides and stored in...
498
Kaplan-Meier Approach
136
The Kaplan-Meier estimator is a non-parametric method used to estimate the survival function from time-to-event data. In medical research, it is frequently employed to measure the proportion of patients surviving for a certain period after treatment. This estimator is fundamental in analyzing time-to-event data, making it indispensable in clinical trials, epidemiological studies, and reliability engineering. By estimating survival probabilities, researchers can evaluate treatment effectiveness,...
136
Pathophysiology of Heart Failure
1.6K
Heart failure (HF) is a progressive syndrome involving ventricles that leads to inadequate cardiac output. It can be classified based on location and output or ejection fraction. Ejection fraction (EF) is an essential measurement in the diagnosis and surveillance of HF. Reduced EF corresponds to systolic heart failure (HFrEF). However, HF with preserved ejection fraction (HFpEF) is becoming increasingly prevalent. Also known as diastolic HF, this form of HF is related to aging. The...
1.6K
Actuarial Approach
77
The actuarial approach, a statistical method originally developed for life insurance risk assessment, is widely used to calculate survival rates in clinical and population studies. This method accounts for participants lost to follow-up or those who die from causes unrelated to the study, ensuring a more accurate representation of survival probabilities.
Consider the example of a high-risk surgical procedure with significant early-stage mortality. A two-year clinical study is conducted,...
Consider the example of a high-risk surgical procedure with significant early-stage mortality. A two-year clinical study is conducted,...
77
