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Background <p>Primary care physicians (PCPs) face challenging clinical situations. Telemedicine between PCPs and specialists involving case discussions in cardiology are frequent. Assessing these interactions is essential for identifying knowledge gaps and tailoring support. In Rio de Janeiro, Brazil, two new telemedicine services provide cardiology support for PCPs: one from the Municipal Health Department using WhatsApp (Meta) and one from the Brazilian Heart Insufficiency with Telemedicine (BRAHIT) research project, which uses a web-based platform. This study analysed and compared the use of these two services in terms of their frequency, distribution among city areas, and content of the PCPs’ questions and cardiologists’ answers. </p> Methods <p>Cross-sectional study. We described the demographic characteristics of the patients whose cases were discussed and the primary care physicians’ use frequency. We classified the reasons for encounter and discussed diagnoses using the International Classification of Primary Care (ICPC-3), the question types using the Taxonomy of General Clinical Questions domains, and the specialist’s answers using an adapted version of the Champlain eConsult BASE™ research group’s classification.</p> Results <p>We analysed the usage data of all interactions (<i>N</i> = 1065) and the detailed content of a random sample (n = 346). The PCPs used the Health Department service more frequently (332/1093, 31%) than the BRAHIT project service (43/1331, 5%). The median answer time was shorter for the Health Department service (19&#xa0;min) than for the BRAHIT service (two days). Most questions to the health department service were classified within the <i>diagnosis</i> domain, mainly regarding electrocardiography interpretation. The questions asked to the BRAHIT service were more frequently classified into <i>treatment</i> or <i>management</i> domains. The advantages and drawbacks of both models and the contributions of the findings to future implementation projects and continuing medical education opportunities are discussed.</p> Conclusions <p>The two types of telemedicine services were adopted differently by the PCPs, with more frequent use and focus on diagnosis in the Health Department WhatsApp (Meta)-based service, compared with less frequent use, more centred on treatment and management topics, in the BRAHIT. Further research using standardised taxonomies for content analysis is needed to inform optimal practices in telemedicine services between providers and guide future initiatives.</p>

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What are the primary care physicians and cardiologists talking about? a cross-sectional analysis of two telemedicine services in Rio de Janeiro, Brazil

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  • 发表日期：

    2025年10月6日

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  • Leonardo Graever,
  • Sathya Karunananthan,
  • Rafael Aaron Abitbol,
  • Gabriel Pesce de Castro da Silva,
  • Laís Pimenta Ribeiro dos Santos,
  • Mariana Borges Dias,
  • Marcelo Machado Melo,
  • Viviane Belídio Pinheiro da Fonseca,
  • Leonardo Cançado Monteiro Savassi,
  • Aurora Felice Castro Issa,
  • Anne Frølich,
  • Maria Kátia Gomes,
  • José Roberto Lapa e Silva,
  • Clare Liddy,
  • Helena Dominguez

摘要

Background

Primary care physicians (PCPs) face challenging clinical situations. Telemedicine between PCPs and specialists involving case discussions in cardiology are frequent. Assessing these interactions is essential for identifying knowledge gaps and tailoring support. In Rio de Janeiro, Brazil, two new telemedicine services provide cardiology support for PCPs: one from the Municipal Health Department using WhatsApp (Meta) and one from the Brazilian Heart Insufficiency with Telemedicine (BRAHIT) research project, which uses a web-based platform. This study analysed and compared the use of these two services in terms of their frequency, distribution among city areas, and content of the PCPs’ questions and cardiologists’ answers.

Methods

Cross-sectional study. We described the demographic characteristics of the patients whose cases were discussed and the primary care physicians’ use frequency. We classified the reasons for encounter and discussed diagnoses using the International Classification of Primary Care (ICPC-3), the question types using the Taxonomy of General Clinical Questions domains, and the specialist’s answers using an adapted version of the Champlain eConsult BASE™ research group’s classification.

Results

We analysed the usage data of all interactions (N = 1065) and the detailed content of a random sample (n = 346). The PCPs used the Health Department service more frequently (332/1093, 31%) than the BRAHIT project service (43/1331, 5%). The median answer time was shorter for the Health Department service (19 min) than for the BRAHIT service (two days). Most questions to the health department service were classified within the diagnosis domain, mainly regarding electrocardiography interpretation. The questions asked to the BRAHIT service were more frequently classified into treatment or management domains. The advantages and drawbacks of both models and the contributions of the findings to future implementation projects and continuing medical education opportunities are discussed.

Conclusions

The two types of telemedicine services were adopted differently by the PCPs, with more frequent use and focus on diagnosis in the Health Department WhatsApp (Meta)-based service, compared with less frequent use, more centred on treatment and management topics, in the BRAHIT. Further research using standardised taxonomies for content analysis is needed to inform optimal practices in telemedicine services between providers and guide future initiatives.