0000000000906546

AUTHOR

Helmut Reber

showing 2 related works from this author

Age-related decline in body cell mass in elderly men and women, determined by a noninvasive nuclear technique: Effects of physical activity and dieta…

2001

The body cell mass (BCM) represents the actively metabolizing cellular components of the human body. In this study, the hypothesis was tested that physical activity and a sufficient dietary intake of potassium attenuate the age-related decline in BCM in the elderly. Cross-sectional data were collected in 82 male and 79 female non-institutionalized elderly (60–90 years) from Mainz, Germany, and were analyzed by age groups. BCM was calculated from total body potassium, measured by whole-body counting of naturally occurring 40K. Physical activity level (PAL) was assessed by a standardized questionnaire. Dietary intake of potassium (DIP) was estimated from a 7-day food diary. The results showed…

Malemedicine.medical_specialtyPhysical activityCell CountSex FactorsAge groupsGroup differencesSurveys and QuestionnairesInternal medicineAge relatedGeneticsHumansMedicineExerciseEcology Evolution Behavior and SystematicsAgedAged 80 and overAnalysis of Variancebusiness.industryAge FactorsPotassium DietaryMiddle AgedTotal body potassiumhumanitiesPhysical activity levelEndocrinologyBody cellsAnthropologyMultivariate AnalysisBody CompositionLinear ModelsFemaleAnatomybusinessDietary potassium intakeAmerican Journal of Human Biology
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PET Lung Ventilation/Perfusion Imaging Using 68Ga Aerosol (Galligas) and 68Ga-Labeled Macroaggregated Albumin

2012

Pulmonary imaging using ventilation/perfusion (V/P) single-photon emission tomography (V/P scan) with Tc-99m-labeled radiotracers is a well-established diagnostic tool for clinically suspected pulmonary embolism (PE). Ga-68 aerosol (Galligas) and Ga-68-labeled macroaggregated albumin (MAA) are potential tracers for positron emission tomography (PET) lung V/P imaging and could display an advantage over conventional V/P scans in terms of sensitivity and specificity. After radiochemical and animal studies, the clinical applicability of Ga-68 aerosol (Galligas) and Ga-68-labeled MAA was investigated in an exploratory study in patients with clinical suspicion of PE. PET scans were acquired using…

medicine.medical_specialtymedicine.diagnostic_testbusiness.industryPerfusion scanningmedicine.diseaseVentilation/perfusion ratioImaging phantomPulmonary embolismPositron emission tomographymedicineDosimetryRadiologyTomographybusinessPerfusion
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