基于等时性的院前急救医疗设施可达性分析:北京中心区案例研究

IF 2.8 3区 地球科学 Q2 COMPUTER SCIENCE, INFORMATION SYSTEMS
Yuan Zhao, Ying Zhou
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引用次数: 0

摘要

院前急救医疗服务(PHEMS)对于危及生命的伤害和时间紧迫的疾病的治疗效果至关重要。受交通状况和院前急救设施(PHEMF)选址规划的影响,响应时间是评价院前急救服务的主要指标。2020 年,北京市政府发布了《北京市院前急救医疗设施空间布局专项规划(2020-2022 年)》。本文采用等时线方法评估规划中的院前急救设施的可达性,从而评价该规划在北京中心六区范围内的功能效率和空间公平性。计算了面积和人口的等时线覆盖率,并总结了等时线的时空特征。分析结果表明,虽然目前的规划符合多项目标,但在服务可用性和公平性方面仍存在挑战。虽然 10 分钟等时线覆盖率较高,但 8 分钟覆盖率不足,尤其是在高峰时段。这凸显了服务可及性方面的差距,因此有必要在服务不足的地区增设紧急救援站。目前的规划方法导致行政区划严重重叠,造成服务供过于求,成本增加,因此需要从全市的角度进行规划,打破行政区划,优化资源配置。交通状况对服务覆盖范围有很大影响,交通拥堵会降低中心区域的覆盖范围,而交通枢纽附近的覆盖范围会更好。未来的规划应根据交通模式和人口分布战略性地设置站点,以提高城市地区紧急医疗服务的可及性和公平性。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
Isochrone-Based Accessibility Analysis of Pre-Hospital Emergency Medical Facilities: A Case Study of Central Districts of Beijing
Pre-hospital emergency medical service (PHEMS) is critical for the treatment outcomes of life-threatening injuries and time-sensitive illnesses. Response time, influenced by traffic conditions and the site planning of pre-hospital emergency medical facilities (PHEMFs), is the main indicator for evaluating PHEMS. In 2020, the Beijing government released the “Special Plan for Spatial Layout of Pre-hospital Emergency Medical Facilities in Beijing (2020–2022)”. This paper evaluates the functional efficiency and spatial equity of this plan within Beijing’s central six districts using isochrone measures to assess the accessibility of the planned PHEMFs. The isochrone coverages of the area and population were calculated, and the temporal-spatial characteristics of isochrones were concluded. The analysis revealed that while the current planning meets several objectives, challenges in service availability and equity persist. Although 10-min isochrone coverage was high, 8-min coverage was insufficient, particularly during peak hours. This highlights gaps in service accessibility that necessitate additional emergency stations in underserved areas. The current planning approach leads to significant overlap at administrative boundaries, causing service oversupply and increased costs, which calls for a city-wide planning perspective that breaks administrative boundaries to optimize resource allocation. Traffic conditions significantly impact service coverage, with congestion reducing coverage in central areas and better coverage near traffic hubs. Future planning should strategically place stations based on traffic patterns and population distribution to enhance emergency medical service accessibility and equity in urban areas.
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来源期刊
ISPRS International Journal of Geo-Information
ISPRS International Journal of Geo-Information GEOGRAPHY, PHYSICALREMOTE SENSING&nb-REMOTE SENSING
CiteScore
6.90
自引率
11.80%
发文量
520
审稿时长
19.87 days
期刊介绍: ISPRS International Journal of Geo-Information (ISSN 2220-9964) provides an advanced forum for the science and technology of geographic information. ISPRS International Journal of Geo-Information publishes regular research papers, reviews and communications. Our aim is to encourage scientists to publish their experimental and theoretical results in as much detail as possible. There is no restriction on the length of the papers. The full experimental details must be provided so that the results can be reproduced. The 2018 IJGI Outstanding Reviewer Award has been launched! This award acknowledge those who have generously dedicated their time to review manuscripts submitted to IJGI. See full details at http://www.mdpi.com/journal/ijgi/awards.
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