Cited by 8Disaster Response and ManagementTrauma and Emergency Care StudiesDisaster Management and Resilience

Using geographic rescue time contours, point-of-care strategies, and spatial care paths to prepare island communities for global warming, rising oceans, and weather disasters

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Kost, Gerald J., Füzéry, Anna K., Caratao, Louie Kim R., Tinsay, Samantha, Zadran, Amanullah, Ybañez, Adrian P.·2023·International Journal of Health Geographics

Published version of a preprint

Abstract

Objectives: To perform geographic contour analysis of sea and land ambulance rescue times in an archipelago subject to super typhoons; to design point-of-care testing strategies for medical emergencies and weather disasters made more intense by global warming and rising oceans; and to assess needs for prehospital testing on spatial care paths that accelerate decision making, increase efficiency, improve outcomes, and enhance standards of care in island nations. Methods: We performed needs assessments, inspected healthcare facilities, and collected ambulance rescue times from professionals in the Bantayan Archipelago, Philippines. We mapped sea/land ambulance rescue routes and time contours. To reveal gaps, we statistically compared the fastest and slowest patient rescue times from islands/islets and barangays to the District Hospital on Bantayan Island. We developed spatial care paths (the fastest routes to care) for acute myocardial infarction, community care, and infectious diseases. We generated a compendium of prehospital diagnostic testing and integrated outcomes evidence, diagnostic needs, and public health goals to recommend point-of-care strategies that build geographic health resilience. Results: We observed limited access to COVID-19 assays, absence of blood gas/pH testing for critical care support, and spatial gaps in land and airborne rescues that worsened during inclement weather and sea swells. Mean paired differences (slowest-fastest) in ambulance rescue times to the District Hospital for both islands and barangays were significant (P < 0.0001). Spatial care path analysis showed where point-of-care cardiac troponin testing should be implemented for expedited care of acute myocardial infarction. Geospatial strengths comprised distributed primary care that can be facilitated by point-of-care testing, logical interisland transfers for which decision making and triage could be accelerated with onboard diagnostics, and healthcare networks amenable to medical advances in prehospital testing that accelerate treatment. Conclusions: Point-of-care testing should be positioned upstream close to homes and island populations that have prolonged rescue time contours. Geospatially optimized point-of-need diagnostics and distributed prehospital testing have high potential to improve outcomes. These improvements will potentially decrease disparities in mortality among archipelago versus urban dwellers, help improve island public health, and enhance resilience for increasingly adverse and frequent climate change weather disasters that impact vulnerable coastal areas. [350 words].

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  • The first systematic geospatial analysis for optimal positioning of POCT resources was conducted in a remote island setting, the Bantayan Archipelago, Visayas Islands, Philippines.

    “The fi rst systematic geospatial analysis for optimal positioning of POCT resources was conducted in a remote island setting, the Bantayan Archipelago, Visayas Islands, Philippines [50].”

    From Point-of-care testing: state-of-the art and perspectives (2025) · cites this paper as [50]

    The Methods (Geospatial analysis; page not provided) describe rescue-time contour mapping in the Bantayan Archipelago to determine where to position POCT, and the Conclusions propose sites. Our copy does not establish that this was the first systematic geospatial analysis of its kind. (LLM, conf=0.86)

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Research works printed but not linked: 6

  1. [10]Kost GJ Kost GJ Curtis CM Using small-world networks to optimize preparedness, response, and resilience Global Point of Care: Strategies for Disasters, Emergencies, and Public Health Resilience 2015 Washington DC AACC Press-Elsevier
  2. [19]Kost GJ Louie RF Truong A-T Curtis CM Kost GJ Curtis CM Needs assessment for rapid decision making in pandemics, complex emergencies, and disasters: A global perspective Global Point of Care: Strategies for Disasters, Emergencies, and Public Health Resilience 2015 Washington DC AACC Press-Elsevier
  3. [49]Ferguson WJ Louie RF Katip P Kost GJ Kost GJ Curtis CM Use of geographic information systems for placement and management of point-of-care technologies in small-world networks Global Point of Care: Strategies for Disasters, Emergencies, and Public Health Resilience 2015 Washington DC AACC Press-Elsevier
  4. [61]Kost GJ Curtis CM Global Point of Care: Strategies for Disasters, Emergencies, and Public Health Resilience 2015 Washington DC AACC Press-Elsevier
  5. [66]Louie RF, Ferguson WJ, Curtis CM, Truong A-T, Lam MH, Kost GJ. The impact of environmental stress on diagnostic testing and implications for patient care during crisis response. In: Global Point of Care: Strategies for Disasters, Emergencies, and Public Health Resilience. Washington DC: AACC Press-Elsevier, 2015, Chapter 25, pp. 293–306.
  6. [83]Kost GJ Public health education should include point-of-care testing: Lessons learned from the Covid-19 pandemic eJ Intl Fed Clin Chem. 2021 32 3 311 327 PMC8592632 34819821

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Authors
Kost, G. J., Füzéry, A. K., Caratao, L. K. R., Tinsay, S., Zadran, A., & Ybañez, A. P.
Affiliations
  • University of California, Davis (US)
  • University of Alberta (CA)
  • Cebu Technological University (PH)
Corresponding author
Kost, Gerald J.
Venue
International Journal of Health Geographics
Published
2023-12-20
Volume
22
Issue
1
Pages
38-38
ISSN
1476-072X (ISSN-L)
OpenAlex
W4390002528
Cited by
8
References
67
Citations by year
2026: 2 · 2025: 3 · 2024: 3
FWCI
2.70
Type
journal article
Language
en
Open access
Locations
  • International Journal of Health Geographics (publishedVersion, cc-by)
  • Research Square (acceptedVersion, cc-by)
  • PubMed Central (publishedVersion, cc-by)
  • PubMed (publishedVersion)
  • DOAJ (DOAJ: Directory of Open Access Journals) (submittedVersion, cc-by-sa)
Funders
Fulbright U.S. Scholar Program
Topics
  • Health Sciences › Health Professions › Emergency Medical Services › Disaster Response and Management
  • Health Sciences › Medicine › Emergency Medicine › Trauma and Emergency Care Studies
  • Social Sciences › Sociology and Political Science › Disaster Management and Resilience
Keywords
point-of-care testing, island health, super typhoon, climate change adaptation, sea level rise, meteorological disasters, acute myocardial infarction, COVID-19 testing access, regional health disparities
MeSH terms
Disasters, Humans, Myocardial Infarction, Patient Care Planning, Weather, Point-of-Care Systems, Global Warming

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