Evidence of expert clinical practice among nuclear medicine non-medical staff: a scoping review

Objective
This scoping review concerns expert clinical practice (ECP) by nuclear medicine practitioners (NMP), encompassing radiographers, technologists and nurses. ECP is typically demonstrated by clinical skills with higher levels of autonomy and responsibility traditionally fulfilled by physicians. The Advanced Clinical Practice (ACP) framework by Health Education England (2017) specifies ECP as one aspect of advanced role progression. This scoping review aims to identify and categorise the extent and type of the existing NMP ECP evidence to support the establishment of Nuclear Medicine ACP.

Methods
PubMed, Cumulative Index to Nursing and Allied Health Literature, and Ovid Medline were searched for peer-reviewed literature published between 2001 and 2021 using extended and advanced practice as key terms alongside nuclear medicine and each NMP profession. Due to the sparsity of results, conference abstracts from prominent international societies were also searched. Studies were independently reviewed and graded for inclusion by four NMP.

Results
Of the 36 studies that met the inclusion criteria, 80.6% were conference abstracts and 66.7% were single-centres studies. Commonly reported NM ECP activities included image interpretation, cardiac stressing and therapies. Less reported activities include ordering complementary diagnostic procedures, invasive procedures and physical examinations. The United Kingdom presented itself at the forefront of NMP ECP publications.

Conclusion
This study demonstrates evidence of NMP ECP across a variety of clinical roles. The dominance of conference abstracts highlights NMP ECP as an emerging area of role extension and a potential preference for information dissemination by NMP. Greater research into specific NMP ECP activities is required particularly studies of greater sample size and robusticity.