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BackgroundAccurately diagnosing gastroparesis relies upon gastric emptying scintigraphy (GES) being performed correctly. Jointly published protocol guidelines have long been available; however, the extent to which practitioners adhere to these guidelines is unknown.AimsThis study aimed to assess national compliance with established GES protocol guidelines.MethodsWe developed a questionnaire addressing the key protocol measures outlined in the Consensus Recommendations for Gastric Emptying Scintigraphy. Survey questions addressed patient information collection (15), patient preparation and procedure protocol (16), meal content and preparation (7), imaging (3), interpretation (4), reporting (7), and institutional demographic data (7). The anonymous questionnaire was distributed electronically to members of the Society of Nuclear Medicine and Medical Imaging (SNMMI) and non-member recipients of the SNMMI daily email newsletter. One response per medical institution was permitted.ResultsA total of 121 out of 872 potential medical institutions (MI) responded (13.9%); 49 (40.4%) were academic/teaching medical centers. The annual number (mean) of GES procedures was 199.9 (range 5–2000 GES/year). On average, MI performed 33.5/52 (64%) of protocol measures according to guidelines while academic medical centers performed 31.5/52 (61%) of protocol measures according to guidelines. Only 4 out of 88 MI (4.5%) performed GES while adhering to three critical measures: validated study duration; controlled blood glucose levels; and proper restriction of medications.ConclusionsLow compliance with GES protocol guidelines, even among academic medical centers, raises the likely possibility of misdiagnosis and improper management of upper gastrointestinal symptoms. These results highlight a need for increased awareness of protocol guidelines for gastric scintigraphy.

Animal models are essential for studying the pathophysiology of chronic pain disorders and as screening tools for new therapies. However, most models available do not reproduce key characteristics of clinical persistent pain. This has limited their ability to accurately predict which new medicines will be clinically effective. Here, we characterize the Dahl salt-sensitive (SS) rat strain as the first rodent model of inherited widespread hyperalgesia. We show that this strain exhibits physiological phenotypes known to contribute to chronic pain, such as neuroinflammation, defective endogenous pain modulation, dysfunctional hypothalamic–pituitary–adrenal axis, increased oxidative stress and immune cell activation. When compared with Sprague Dawley and Brown Norway rats, SS rats have lower nociceptive thresholds due to increased inflammatory mediator concentrations, lower corticosterone levels, and high oxidative stress. Treatment with dexamethasone, the reactive oxygen species scavenger tempol, or the glial inhibitor minocycline attenuated the pain sensitivity in SS rats without affecting the other strains while indomethacin and gabapentin provided less robust pain relief. Moreover, SS rats presented impaired diffuse noxious inhibitory controls and an exacerbated response to the proalgesic mediator PGE 2 , features of generalized pain conditions. These data establish this strain as a novel model of spontaneous, widespread hyperalgesia that can be used to identify biomarkers for chronic pain diagnosis and treatment.

Due to the increasing importance of exposome in environmental epidemiology, feasibility and usefulness of an Environmental Data Management System (EDMS) using Open Data was evaluated. The EDMS includes data from 10 European cities (Celje (Slovenia), Łódź (Poland), Manchester (UK), Palermo (Italy), Paris (France), Porto (Portugal), Regensburg (Germany), Reus (Spain), Rijeka (Croatia), Thessaloniki (Greece)) about external non-specific and specific exposome factors at the city or country level (2017–2020). Findings showed that the highest values of life expectancy were in Reus females (86 years) and Palermo males (81 years). UK had the highest obesity rate (28%), Croatia the highest prescribed drug consumption (62%), Greece and Portugal the highest smoking rates (37%, 42%) and daily alcohol consumption (21%), respectively. The most polluted cities were Thessaloniki for PM 10 (38 µg/m 3 ), Łódź for PM 2.5 (25 µg/m 3 ), Porto for NO 2 (62 µg/m 3 ) and Rijeka for O 3 (92 µg/m 3 ). Thessaloniki had the highest grey space (98%) and Łódź the highest cumulative amount of pollen (39,041 p/m 3 ). The highest daily noise levels ≥ 55 dB was in Reus (81% to traffic) and Regensburg (21% to railway). In drinking water, arsenic had the highest value in Thessaloniki (6.4 µg/L), boron in Celje (24 mg/L) and lead in Paris (46.7 µg/L). Portugal and Greece showed the highest pesticide residues in food (7%). In conclusion, utilizing open-access databases enables the translation of research findings into actionable strategies for public health interventions.