Trial reportJournal of nuclear cardiology : official publication of the American Society of Nuclear Cardiology2014
The impact of regimented aminophylline use on extracardiac radioisotope activity in patients undergoing regadenoson stress SPECT myocardial perfusion imaging: a substudy of the ASSUAGE trial.
Trial report in Journal of nuclear cardiology : official publication of the American Society of Nuclear Cardiology, 2014. The graph could read no effect estimate from its abstract, so it casts no vote on the map. It is linked to trial NCT01250496 (A Randomized Double-Blind Placebo Controlled Study With Aminophylline to Attenuate the Side Effect Profile of Regadenoson in Patients Undergoing Myocardial Perfusion Imaging.), which is not on this map. Cited by 13 papers.
What it found
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The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.
The trial behind it
Trials whose registry record cites this paper, or whose number appears in the abstract. A trial that started after this paper was published is citing it as background, not reporting it.
A Randomized Double-Blind Placebo Controlled Study With Aminophylline to Attenuate the Side Effect Profile of Regadenoson in Patients Undergoing Myocardial Perfusion Imaging.
Who cites it
13 citing papers in PubMed, 14 citations in OpenAlex.
- Impact of a regimented aminophylline administration protocol on the burden of regadenoson-induced ischemia detected by SPECT myocardial perfusion imaging.Journal of nuclear cardiology : official publication of the American Society of Nuclear Cardiology · 2017Trial
- Prognostic value of heart rate response during regadenoson stress myocardial perfusion imaging in patients with end stage renal disease.Journal of nuclear cardiology : official publication of the American Society of Nuclear Cardiology · 2016Trial
- The prognostic implications of ST-segment and T-wave abnormalities in patients undergoing regadenoson stress SPECT myocardial perfusion imaging.Journal of nuclear cardiology : official publication of the American Society of Nuclear Cardiology · 2022Article
- The diagnostic and prognostic value of near-normal perfusion or borderline ischemia on stress myocardial perfusion imaging.Journal of nuclear cardiology : official publication of the American Society of Nuclear Cardiology · 2022Article
- The prognostic utility of regadenoson SPECT myocardial perfusion imaging in patients with end-stage renal disease: The largest cohort to date.Journal of nuclear cardiology : official publication of the American Society of Nuclear Cardiology · 2022Article
- The prognostic value of regadenoson SPECT myocardial perfusion imaging: The largest cohort to date.Journal of nuclear cardiology : official publication of the American Society of Nuclear Cardiology · 2021Article
- Prognostic value of regadenoson stress myocardial perfusion imaging in patients with left bundle branch block or ventricular paced rhythm.Journal of nuclear cardiology : official publication of the American Society of Nuclear Cardiology · 2021Article
- Prognostic significance of ischemic electrocardiographic changes with regadenoson stress myocardial perfusion imaging.Journal of nuclear cardiology : official publication of the American Society of Nuclear Cardiology · 2020Article
- The prognostic value of heart rate response during vasodilator stress myocardial perfusion imaging in patients with end-stage renal disease undergoing renal transplantation.Journal of nuclear cardiology : official publication of the American Society of Nuclear Cardiology · 2019Article
- Differential Impact of Appropriate Use Criteria on the Association between Age and an Abnormal Stress Myocardial Perfusion SPECT.Cardiovascular innovations and applications · 2019Article
- Validation of a clinical pathway to assess asymptomatic renal transplant candidates using myocardial perfusion imaging.Journal of nuclear cardiology : official publication of the American Society of Nuclear Cardiology · 2018Article
- The significance of post-stress decrease in left ventricular ejection fraction in patients undergoing regadenoson stress gated SPECT myocardial perfusion imaging.Journal of nuclear cardiology : official publication of the American Society of Nuclear Cardiology · 2018Article
- The prognostic value of regadenoson SPECT myocardial perfusion imaging in patients with end-stage renal disease.Journal of nuclear cardiology : official publication of the American Society of Nuclear Cardiology · 2017Article
Corrections and comments
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Authors and funding
5 authors at 3 institutions in 1 country.
Funding
No grant is acknowledged in the PubMed record.
Abstract
backgroundIn patients undergoing regadenoson stress SPECT myocardial perfusion imaging (MPI), the impact of the regimented administration of aminophylline on the cardiac-to-extracardiac photon activity ratio is unknown.
methodsThis is a substudy of the ASSUAGE trial (NCT01250496); a double-blinded, randomized, placebo-controlled clinical trial which investigated the attenuation of regadenoson-related adverse effects using 75 mg of intravenous aminophylline vs placebo, administered 90 seconds following (99m)Tc-tetrofosmin injection in patients undergoing regadenoson stress SPECT-MPI. In subjects with normal MPI enrolled in the trial, we sampled from the antero-posterior planar projection of the post-stress scintigraphic data the mean photon activity in the myocardium, liver, bowel, and lungs. The mean cardiac-to-extracardiac activity ratios were compared between patients randomized to aminophylline vs placebo.
resultsWe studied 158 eligible subjects, randomized to receive aminophylline (n = 86) or placebo (n = 72). The means of photon activity ratios of the heart-to-liver, heart-to-bowel, heart-to-lungs, inferior wall of the heart-to-liver, and inferior wall of the heart-to-bowel were not statistically different between those who received aminophylline vs placebo (P values > .30). Only the time lapse between stress (99m)Tc-tetrofosmin injection and stress SPECT acquisition independently correlated with higher heart-to-liver and heart-to-bowel activity ratios (P values ≤ .01). Patients' body mass index independently correlated with lower heart-to-lung ratio (P = .009).
conclusionThe regimented intravenous aminophylline use following regadenoson stress does not significantly improve the cardiac-to-extracardiac photon activity ratio in patients undergoing regadenoson stress (99m)Tc-tetrofosmin SPECT-MPI.
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Registered trials
Read under generation 80e0d062 · epoch 390. Bibliography from PubMed, PubMed Central and OpenAlex; grants from NIH RePORTER; trial links from ClinicalTrials.gov; estimates, votes and beliefs from the OpenQuestion graph.