Kosuke Ishizuka MD, PhD, Taiju Miyagami MD, PhD, Yohei Kanzawa MD, Aiko Harada MD, Dai Aoki MD, Yoshiki Umezawa MD, Masataka Ono MD, So Sakamoto MD, PhD
<p>Effective collaboration between specialist and primary care physicians is essential for improving patient outcomes and ensuring appropriate medical resource use.<span><sup>1, 2</sup></span> However, their different perspectives can create barriers to care.<span><sup>1, 2</sup></span> Referral of patients from primary care to specialist physicians can result in gaps in diagnostic workup and treatment, leading to unnecessary tests or delays.<span><sup>2, 3</sup></span> Moreover, the lack of standards for consultation timing and information sharing contributes to misunderstandings. To address these issues, we—members of the Junior Doctors Association of the Japanese Society of Hospital General Medicine (JSHGM)—propose the “5G Approach,” (1. Gray Tolerance, 2. Guiding Criteria, 3. Gradual Transition, 4. Ground-Level Coordination, and 5. Growth Through Follow-up) five principles to promote effective collaboration between primary care and specialist physicians (Table 1). These principles were developed through a narrative literature review and discussions among eight primary care physicians with a median of 10 years' experience. The framework reflects clinical realities based on challenges from acute care settings and aligns with established concepts in the literature on collaborative care.<span><sup>4, 5</sup></span> It has been informally applied in case discussions to improve communication between primary care and specialist physicians.</p><p>In primary care, treatment plans are often made before confirming the diagnosis.<span><sup>4</sup></span> Primary care physicians must make decisions to mitigate risk while navigating uncertainty.<span><sup>4</sup></span> Specialist physicians, in turn, are expected to understand and respond appropriately to this uncertainty.<span><sup>1, 6</sup></span> However, discrepancies in perception may arise between the two regarding the degree of diagnostic certainty.<span><sup>6, 7</sup></span> To prevent this, primary care physicians must acknowledge and share diagnostic uncertainty with specialist physicians,<span><sup>6</sup></span> clearly communicating which aspects of the diagnosis are certain and which are uncertain, and specialist physicians should use this information to respond flexibly and manage time effectively.</p><p>To facilitate the transition from primary care to specialist care, the appropriate timing of consultations and the criteria for transfer need to be clarified.<span><sup>1, 2, 7</sup></span> In practice, lack of clarity can result in missed opportunities for timely interventions.<span><sup>1, 2, 7</sup></span> Thus, setting clear criteria for specialist consultation and patient transfer from primary to specialist care is necessary.<span><sup>1, 2, 7</sup></span> Moreover, even when the diagnosis is uncertain, sharing transfer criteria can streamline care, promote appropriate medical resource use, and optimize patient outcomes.<span><sup>1, 2, 7</sup></span></p><p>Depending on the patient's
{"title":"5G approach: Enhancing collaboration between primary care and specialist physicians","authors":"Kosuke Ishizuka MD, PhD, Taiju Miyagami MD, PhD, Yohei Kanzawa MD, Aiko Harada MD, Dai Aoki MD, Yoshiki Umezawa MD, Masataka Ono MD, So Sakamoto MD, PhD","doi":"10.1002/jgf2.70049","DOIUrl":"https://doi.org/10.1002/jgf2.70049","url":null,"abstract":"<p>Effective collaboration between specialist and primary care physicians is essential for improving patient outcomes and ensuring appropriate medical resource use.<span><sup>1, 2</sup></span> However, their different perspectives can create barriers to care.<span><sup>1, 2</sup></span> Referral of patients from primary care to specialist physicians can result in gaps in diagnostic workup and treatment, leading to unnecessary tests or delays.<span><sup>2, 3</sup></span> Moreover, the lack of standards for consultation timing and information sharing contributes to misunderstandings. To address these issues, we—members of the Junior Doctors Association of the Japanese Society of Hospital General Medicine (JSHGM)—propose the “5G Approach,” (1. Gray Tolerance, 2. Guiding Criteria, 3. Gradual Transition, 4. Ground-Level Coordination, and 5. Growth Through Follow-up) five principles to promote effective collaboration between primary care and specialist physicians (Table 1). These principles were developed through a narrative literature review and discussions among eight primary care physicians with a median of 10 years' experience. The framework reflects clinical realities based on challenges from acute care settings and aligns with established concepts in the literature on collaborative care.<span><sup>4, 5</sup></span> It has been informally applied in case discussions to improve communication between primary care and specialist physicians.</p><p>In primary care, treatment plans are often made before confirming the diagnosis.<span><sup>4</sup></span> Primary care physicians must make decisions to mitigate risk while navigating uncertainty.<span><sup>4</sup></span> Specialist physicians, in turn, are expected to understand and respond appropriately to this uncertainty.<span><sup>1, 6</sup></span> However, discrepancies in perception may arise between the two regarding the degree of diagnostic certainty.<span><sup>6, 7</sup></span> To prevent this, primary care physicians must acknowledge and share diagnostic uncertainty with specialist physicians,<span><sup>6</sup></span> clearly communicating which aspects of the diagnosis are certain and which are uncertain, and specialist physicians should use this information to respond flexibly and manage time effectively.</p><p>To facilitate the transition from primary care to specialist care, the appropriate timing of consultations and the criteria for transfer need to be clarified.<span><sup>1, 2, 7</sup></span> In practice, lack of clarity can result in missed opportunities for timely interventions.<span><sup>1, 2, 7</sup></span> Thus, setting clear criteria for specialist consultation and patient transfer from primary to specialist care is necessary.<span><sup>1, 2, 7</sup></span> Moreover, even when the diagnosis is uncertain, sharing transfer criteria can streamline care, promote appropriate medical resource use, and optimize patient outcomes.<span><sup>1, 2, 7</sup></span></p><p>Depending on the patient's","PeriodicalId":51861,"journal":{"name":"Journal of General and Family Medicine","volume":"26 5","pages":"495-496"},"PeriodicalIF":2.3,"publicationDate":"2025-07-15","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://onlinelibrary.wiley.com/doi/epdf/10.1002/jgf2.70049","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144929470","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}