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Increasing use of hematopoietic stem cell transplantation (HCT) and improvements in recipient outcomes have led to a steady increase in the number of allogeneic HCT survivors. In addition to complications specific to the transplantation process, HCT recipients are at increased risk of developing cardiovascular disease (CVD) and subsequent neoplasm (SN). Strict surveillance of risk factors for CVD and cancer in the general population is recommended as an essential component of long-term follow-up (LTFU) care of HCT survivors, but implementation of this has been suboptimal. Various models for improving the provision of survivorship care have been proposed, including a hybrid/combined care approach wherein the HCT provider manages transplantation-specific complications and the primary care physician (PCP) provides general medical care, including surveillance and aggressive management of CVD risk factors and screening for SN. This model also offers a practical approach to LTFU care for HCT survivors who live at a distance from the HCT center, which is a reality for many recipients of HCT at The Ottawa Hospital (TOH). As the success of such a hybrid approach to survivorship care depends on the engagement of HCT recipients with their PCP and compliance with recommended general population surveillance, the aim of the present study was to assess the rates of PCP attendance and adherence to recommended preventive medicine interventions in the years immediately before and after HCT. We hypothesized that rates would be suboptimal and planned to use these results as a baseline for an educational initiative aimed at increasing awareness of HCT recipients and their PCPs about embracing preventive survivorship care. This was a single-center cohort study of allogeneic HCT recipients who underwent transplantation at TOH with linkage to population-based health administrative data. Published clinical practice guidelines were used to define recommended screening for CVD risk factors and cancer. The rates of annual PCP visits and utilization of recommended preventive care interventions in the 5 years before and after HCT were calculated for all eligible patients. Between 2014 and 2020, 409 patients with provincial health care coverage underwent allogeneic HCT at TOH. The median patient age was 51 years (range, 15 to 73 years), with a male predominance (60.9%). Approximately one-quarter of recipients did not attend a PCP visit in the 5 years before and after transplantation, and this proportion increased to one- third in the fifth year post-HCT. Among those recipients who were eligible, only 20% to 25% underwent recommended screening for dyslipidemia and diabetes. Cancer screening rates were also low, at 16% to 18% for cervical cancer, 18% to 22% for colon cancer, and 30% to 31% for breast cancer. These results highlight the need to increase awareness of HCT recipients and their PCPs about the risk of developing CVD and SN post-transplantation and to emphasize the potential to mitigate this risk by adhering to recommendations for surveillance to enable prompt intervention. Patient education should incorporate this information and empower HCT survivors to actively engage in their follow-up care and optimize their long-term outcomes. |
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