Abstract:
BACKGROUND:A mismatch between thallium-201 ((201)Tl) and iodine-123 ((123)I)-beta-methyl iodophenyl pentadecanoic acid (BMIPP) dual single-photon emission computed tomography (SPECT) reflects a dysfunctional but viable myocardium, such as stunned or hibernating myocardium, in patients with coronary artery disease (CAD). However, the cardiac function does not always improve after revascularization. The present study aimed to determine whether serial (201)Tl and (123)I-BMIPP dual SPECT can predict improvements in cardiac function after coronary artery bypass graft surgery (CABG) in patients with CAD. MATERIALS AND METHODS:The study included 98 patients with CAD requiring CABG and having a left ventricular ejection fraction (LVEF) less than 50%. The total defect score (TDS) was calculated from (201)Tl and (123)I-BMIPP dual-SPECT images acquired before and 3 weeks after CABG. The LVEF, left ventricular end-diastolic volume index, and end-systolic volume index were determined by means of contrast left ventriculography before and 6 months after CABG. RESULTS:After 6 months, LVEF improved by 5% or more in 62 patients (group A) but did not improve in the remaining 36 patients (group B). Baseline Tl-TDS was significantly lower (9.1±4.6 vs. 14.6±6.5, P<0.001), and the mismatch score (BMIPP-TDS-Tl-TDS) was significantly higher (6.9±4.2 vs. 4.2±3.9, P=0.002) in group A than in group B. The extent of change in BMIPP-TDS 3 weeks after CABG compared with that before (delta-BMIPP-TDS) was significantly greater in group A than in group B (-5.9±3.0 vs. 2.8±4.3, P<0.001). Stepwise multivariate analysis selected delta-BMIPP-TDS as a significant independent predictor of improvement in LVEF at 6 months after CABG (multivariate β-coefficient=-0.718, P<0.001). The degree of change in LVEF 6 months after CABG compared with that before significantly and negatively correlated with delta-BMIPP-TDS (r=-0.631, P<0.001). CONCLUSION:The delta-BMIPP-TDS evaluated by serial (201)Tl and (123)I-BMIPP dual SPECT can predict improvements in cardiac function during the chronic phase of CAD.
journal_name
Nucl Med Communjournal_title
Nuclear medicine communicationsauthors
Fujita K,Kasama S,Kurabayashi Mdoi
10.1097/MNM.0000000000000228subject
Has Abstractpub_date
2015-02-01 00:00:00pages
148-55issue
2eissn
0143-3636issn
1473-5628journal_volume
36pub_type
临床试验,杂志文章abstract:BACKGROUND:Screening for radioactive material at borders may become more widely introduced in order to prevent illegal transport. All the alarms at Vienna airport so far have been due to recent applications of radionuclides for medical reasons. METHODS:We report a patient who unexpectedly experienced this problem afte...
journal_title:Nuclear medicine communications
pub_type: 杂志文章
doi:10.1097/00006231-200501000-00011
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abstract::The aim of the study was to evaluate pulmonary nodules (PNs) by incorporating time sensitivity (S) factor in the retention index (RI) and compare with the traditional fixed interval method. After obtaining approval from the Human Investigations Committee, 97 PNs from 81 patients (age=70±11) referred for dual-time fluo...
journal_title:Nuclear medicine communications
pub_type: 杂志文章
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abstract:INTRODUCTION:An image-processing algorithm (AUTOROI) has been developed to totally automatically (or with manual assistance) detect whole-kidney contours and generate renal regions of interest (ROI) for the extraction of the quantitative measurements used in the interpretation of Tc-mercaptoacetyltriglycine (Tc-MAG3) r...
journal_title:Nuclear medicine communications
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abstract:OBJECTIVE:The aim of this study was to investigate the diagnostic value of occipital lobe and posterior cingulate perfusion in predicting dopamine transporter imaging outcome using a quantitative measure of analysis. PATIENTS AND METHODS:In total, 99 patients with cognitive complaints who had undergone both technetium...
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abstract::Lymphoscintigraphy for sentinel node (SN) detection has been studied extensively in melanoma and breast cancer. In head and neck squamous cell carcinoma (HNSCC), however, experience in this field is relatively meagre. The purpose of this study was to document and evaluate lymphoscintigraphic findings in HNSCC patients...
journal_title:Nuclear medicine communications
pub_type: 临床试验,杂志文章
doi:10.1097/00006231-200306000-00006
更新日期:2003-06-01 00:00:00
abstract::201Tl myocardial perfusion single photon emission tomography (SPET) with pharmacological coronary vasodilatation using adenosine is now often used in the investigation of a patient with ischaemic heart disease (IHD). In this study, we present data from two groups of patients. Group A (n = 40) experienced 201Tl SPET wi...
journal_title:Nuclear medicine communications
pub_type: 临床试验,杂志文章
doi:10.1097/00006231-199408000-00003
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abstract::Radiation doses to the family and general public from 131I therapy of outpatients were assessed for comparison with the 1990 International Commission on Radiation Protection (ICRP) dose limits. Doses to family members of such patients, measured by previous workers, were converted to show that on average 5.6 +/- 3.7 mi...
journal_title:Nuclear medicine communications
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abstract:PURPOSE:The present study evaluated the usefulness of postoperative fluorine-18 fluorodeoxyglucose (F-FDG) PET/computed tomography (CT) in the management of olfactory neuroblastoma (ONB). MATERIALS AND METHODS:Ten patients (eight men and two women; mean age, 48.5 years) with histologically confirmed ONB who underwent ...
journal_title:Nuclear medicine communications
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journal_title:Nuclear medicine communications
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abstract::The impact of recent advances in the chemical and genetic engineering manipulations of antibodies on radioimmunotargeting is reviewed both in relation to radioimmunoscintigraphy and radioimmunotherapy. The resulting trends are: (1) the linking of parts of the mouse/rat and human antibody molecule; (2) the creation of ...
journal_title:Nuclear medicine communications
pub_type: 杂志文章,评审
doi:
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journal_title:Nuclear medicine communications
pub_type: 临床试验,杂志文章
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journal_title:Nuclear medicine communications
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abstract::Patients with acute arterial occlusion may suffer from significant muscle necrosis. It is important to determine the amount of regional muscle necrosis for prognostic purposes and evaluation of therapy. We have used technetium-99m-pyrophosphate (PPi) with single photon emission computed tomography (SPECT) to quantitat...
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pub_type: 杂志文章,评审
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