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Establishment of National Diagnostic Reference Levels for Administered Activity in Diagnostic Nuclear Medicine in Thailand
Conclusion: This study presents NDRL results for adults in Thailand as a way to optimize radiation protection in nuclear medicine imaging. Moreover, the reported injected activity levels were comparable to those of other countries.PMID:38627011 | DOI:10.2967/jnmt.123.266836 (Source: Journal of Nuclear Medicine Technology)
Source: Journal of Nuclear Medicine Technology - April 16, 2024 Category: Nuclear Medicine Authors: Dutsadee Suttho Source Type: research

Improved Correlation of 18 F-Flortaucipir PET SUVRs and Clinical Stages in the Alzheimer Disease Continuum with the MUBADA/PERSI-Based Analysis
Conclusion: MUBADA/PERSI provided the SUVR of 18F-flortaucipir uptake with better association with the clinical severity of the AD continuum and with smaller variability. The results support the usefulness of MUBADA/PERSI as a quantitative measure of 18F-flortaucipir uptake in multicenter studies using different PET systems and scanning methods. However, limitations of the study include the small sample size and the unbalanced distribution among clinical categories in the AMED Preclinical AD study database.PMID:38627012 | DOI:10.2967/jnmt.123.267113 (Source: Journal of Nuclear Medicine Technology)
Source: Journal of Nuclear Medicine Technology - April 16, 2024 Category: Nuclear Medicine Authors: Yasuhiko Ikari Go Akamatsu Keiichi Matsumoto Tomohiko Yamane Michio Senda Kazuki Fukuchi AMED Preclinical AD Study Investigators, and Alzheimer ’s Disease Neuroimaging Initiative Investigators Source Type: research

Study of Attenuation Correction Using a Cardiac Dynamic Phantom: Synchronized Time-Phase-Gated Attenuation Correction Method
Conclusion: In this study, we investigated the STPGAC method using a SPECT/CT system. The STPGAC method showed similar values of cardiac function analysis to the CT images, suggesting that the STPGAC method accurately reconstructed the distribution of blood flow in the myocardial region. However, the target area for attenuation correction of the heart region was smaller than that of the whole body, and changing the gated SPECT conditions and attenuation-corrected images did not affect myocardial blood flow analysis.PMID:38627013 | DOI:10.2967/jnmt.123.266785 (Source: Journal of Nuclear Medicine Technology)
Source: Journal of Nuclear Medicine Technology - April 16, 2024 Category: Nuclear Medicine Authors: Narihiro Hara Masahisa Onoguchi Hiroyuki Kawaguchi Noriko Matsushima Osamu Houjou Masakazu Murai Kohei Nakano Wakana Makino Source Type: research

Acquisition Duration Optimization Using Visual Grading Regression in [ 68 Ga]FAPI-46 PET Imaging of Oncologic Patients
Conclusion: The acquisition duration can be reduced from 4 to 3 min/bed position while maintaining satisfactory image quality. Reducing the acquisition duration to 2 min/bed position or lower is not recommended since it results in inferior-quality images so noisy that clinical interpretation is significantly disrupted.PMID:38627014 | DOI:10.2967/jnmt.123.267156 (Source: Journal of Nuclear Medicine Technology)
Source: Journal of Nuclear Medicine Technology - April 16, 2024 Category: Nuclear Medicine Authors: Ted Nilsson Pawel Rasinski Örjan Smedby Siri Af Bur én Ernesto Sparrelid J Matthias L öhr Thuy A Tran August Blomgren Antonios Tzortzakakis Rimma Axelsson Maria Holstensson Source Type: research

Spontaneous Ureteral Rupture During a 99m Tc-Mercaptoacetyltriglycine Renal Scan
J Nucl Med Technol. 2024 Apr 16:jnmt.124.267428. doi: 10.2967/jnmt.124.267428. Online ahead of print.ABSTRACTAfter therapeutic pelvic radiation for malignancy such as prostate cancer, patients are at greater risk for spontaneous ureteral rupture. Bladder outlet obstruction and other more proximal causes of obstruction also exacerbate this vulnerability. Here we present a case of spontaneous ureteral rupture during a 99mTc-mercaptoacetyltriglycine nuclear renal scan secondary to Foley catheter obstruction in a 73-y-old man with a prior ureteral reimplantation procedure. Prompt detection of Foley catheter malfunction could p...
Source: Journal of Nuclear Medicine Technology - April 16, 2024 Category: Nuclear Medicine Authors: Roxana Apostol Paul Rodrigue Source Type: research

SNMMI-TS Drives Innovation and Collaboration: Highlights of Recent Initiatives and Educational Programs
J Nucl Med Technol. 2024 Mar;52(1):7A-8A.NO ABSTRACTPMID:38443101 (Source: Journal of Nuclear Medicine Technology)
Source: Journal of Nuclear Medicine Technology - March 5, 2024 Category: Nuclear Medicine Authors: Dmitry D Beyder Source Type: research

Got the Munchies for an Egg Sandwich? The Effects of Cannabis on Bowel Motility and Beyond
J Nucl Med Technol. 2024 Mar 5;52(1):8-14. doi: 10.2967/jnmt.123.266816.ABSTRACTThe use of medicinal cannabis has a long history dating back thousands of years. Recent discoveries have shed light on its mechanism of action with the identification of cannabinoid receptors and endocannabinoids, which make up the body's endocannabinoid system. Cannabinoid receptors, particularly the cannabinoid 1 and 2 receptors, play a crucial role in modulating the gut-brain axis and serve as potential therapeutic targets for gastrointestinal motility and inflammatory disorders. With increasing legalization of cannabis and a rising number o...
Source: Journal of Nuclear Medicine Technology - March 5, 2024 Category: Nuclear Medicine Authors: Rutger S Gunther Mary B Farrell Kevin P Banks Source Type: research

Thank You, Readers, for Helping to Shape Future JNMT Content
J Nucl Med Technol. 2024 Mar;52(1):1-2.NO ABSTRACTPMID:38443103 (Source: Journal of Nuclear Medicine Technology)
Source: Journal of Nuclear Medicine Technology - March 5, 2024 Category: Nuclear Medicine Authors: Kathy S Thomas Source Type: research

Fatty Meal Hepatobiliary Scintigraphy for Gallbladder Ejection Fraction Determination
J Nucl Med Technol. 2024 Mar 5;52(1):21-23. doi: 10.2967/jnmt.123.266790.NO ABSTRACTPMID:38443104 | DOI:10.2967/jnmt.123.266790 (Source: Journal of Nuclear Medicine Technology)
Source: Journal of Nuclear Medicine Technology - March 5, 2024 Category: Nuclear Medicine Authors: Justin G Peacock Amanda M Adams Source Type: research

Glucagonlike Peptide-1 Receptor Agonists: The Good, the Bad, and the Ugly-Benefits for Glucose Control and Weight Loss with Side Effects of Delaying Gastric Emptying
This article discusses GLP-1 RAs and their effects on gastric emptying, gastric food retention, and gastroparesis. This article highlights how physicians should be attuned to the gastric side effects of these popular therapeutic agents for blood glucose control in people with diabetes and for weight loss and weight management in obese patients.PMID:38443105 | DOI:10.2967/jnmt.123.266800 (Source: Journal of Nuclear Medicine Technology)
Source: Journal of Nuclear Medicine Technology - March 5, 2024 Category: Nuclear Medicine Authors: Henry P Parkman Daniel S Rim Jonathan R Anolik Simin Dadparvar Alan H Maurer Source Type: research

The Efficacy of Radiolabeling the Albumin in Egg Whites with 99m Tc-Sulfur Colloid
Conclusion: The results from this experiment showed that the method of mixing the 99mTc-SC with liquid egg whites before microwave cooking has higher binding efficacy than when adding 99mTc-SC onto already cooked egg whites. These results highlight the importance of following the standardized protocol for the meal preparation of a gastric emptying study.PMID:38443106 | DOI:10.2967/jnmt.123.266794 (Source: Journal of Nuclear Medicine Technology)
Source: Journal of Nuclear Medicine Technology - March 5, 2024 Category: Nuclear Medicine Authors: Deontae L Green Sara L Johnson Source Type: research

Gastric Emptying Studies in Pediatrics: A Cincinnati Children's Hospital Experience
J Nucl Med Technol. 2024 Mar 5;52(1):40-45. doi: 10.2967/jnmt.123.266857.ABSTRACTGastric emptying studies are routinely performed in many nuclear medicine departments; however, there are many different techniques used to perform the procedure across the country. Creating consistency in clinical practice will aid gastroenterologists in diagnosing and treating illnesses associated with abnormalities related to gastric emptying. In 2017, Cincinnati Children's Hospital adopted adult standards for pediatric gastric emptying studies that included a standard meal along with imaging over the course of 4 h. Gastric emptying studies...
Source: Journal of Nuclear Medicine Technology - March 5, 2024 Category: Nuclear Medicine Authors: Joseph Joby MacLean Khalil El-Chammas Source Type: research

Gastric Emptying Study: Liquids
J Nucl Med Technol. 2024 Mar 5;52(1):46-47. doi: 10.2967/jnmt.124.267414.NO ABSTRACTPMID:38443108 | DOI:10.2967/jnmt.124.267414 (Source: Journal of Nuclear Medicine Technology)
Source: Journal of Nuclear Medicine Technology - March 5, 2024 Category: Nuclear Medicine Authors: Mary Beth Farrell Source Type: research

Change in Management After Radionuclide Gastric Emptying Studies Showing Slow Emptying
Conclusion: Our results illustrate the importance of performing GES on patients with clinically suspected gastroparesis.PMID:38443109 | DOI:10.2967/jnmt.123.266600 (Source: Journal of Nuclear Medicine Technology)
Source: Journal of Nuclear Medicine Technology - March 5, 2024 Category: Nuclear Medicine Authors: Japnit Singh Michael M Graham Source Type: research

Universal Fasting Glucose Screening Before Gastric Emptying Scintigraphy and the High Prevalence of Undiagnosed Diabetes and Prediabetes
Conclusion: Our study provides the first measure of the likely prevalence of undiagnosed DM and pre-DM and characterizes the different gastric emptying patterns among patients with normal FBG, likely undiagnosed pre-DM, likely undiagnosed DM, and known DM.PMID:38443110 | PMC:PMC10924154 | DOI:10.2967/jnmt.123.266808 (Source: Journal of Nuclear Medicine Technology)
Source: Journal of Nuclear Medicine Technology - March 5, 2024 Category: Nuclear Medicine Authors: Rutger S Gunther Kevin P Banks Nathan E McWhorter Source Type: research