Walkup Lab

Publications

Plummer, JW; Willmering, MM; Cleveland, ZI; Towe, C; Woods, JC; Walkup, LL. Childhood to adulthood: Accounting for age dependence in healthy-reference distributions in 129 Xe gas-exchange MRI. Magnetic Resonance in Medicine. 2023; 89:1117-1133.

Willmering, MM; Walkup, LL; Niedbalski, PJ; Wang, H; Wang, Z; Hysinger, EB; Myers, KC; Towe, CT; Driehuys, B; Cleveland, ZI; et al. Pediatric 129 Xe Gas-Transfer MRI-Feasibility and Applicability. Journal of Magnetic Resonance Imaging. 2022; 56:1207-1219.

Walkup, LL; Roach, DJ; Hall, CS; Gupta, N; Thomen, RP; Cleveland, ZI; McCormack, FX; Woods, JC. Cyst Ventilation Heterogeneity and Alveolar Airspace Dilation as Early Disease Markers in Lymphangioleiomyomatosis. Annals of the American Thoracic Society. 2019; 16:1008-1016.

Walkup, LL; Myers, K; El-Bietar, J; Nelson, A; Willmering, MM; Grimley, M; Davies, SM; Towe, C; Woods, JC. Xenon-129 MRI detects ventilation deficits in paediatric stem cell transplant patients unable to perform spirometry. The European respiratory journal : official journal of the European Society for Clinical Respiratory Physiology. 2019; 53:1801779.

Walkup, LL; Thomen, RP; Akinyi, TG; Watters, E; Ruppert, K; Clancy, JP; Woods, JC; Cleveland, ZI. Feasibility, tolerability and safety of pediatric hyperpolarized 129Xe magnetic resonance imaging in healthy volunteers and children with cystic fibrosis. Pediatric Radiology: roentgenology, nuclear medicine, ultrasonics, CT, MRI. 2016; 46:1651-1662.

Brewington, J; O’Shaughnessy, R; Thornton, K; Ostmann, A; Meeker, J; Morgan, H; Walkup, L; Willmering, M; Woods, J; McPhail, G. 302 Clinical response to modulator therapy in patients homozygous for G27V CFTR. Journal of Cystic Fibrosis. 2023; 22:s152.

Bdaiwi, AS; Costa, ML; Plummer, JW; Willmering, MM; Walkup, LL; Cleveland, ZI. B1 and magnetization decay correction for hyperpolarized 129 Xe lung imaging using sequential 2D spiral acquisitions. Magnetic Resonance in Medicine. 2023; 90:473-482.

Plummer, JW; Willmering, MM; Cleveland, ZI; Towe, C; Woods, JC; Walkup, LL. Childhood to adulthood: Accounting for age dependence in healthy-reference distributions in 129 Xe gas-exchange MRI. Magnetic Resonance in Medicine. 2023; 89:1117-1133.

Willmering, MM; Walkup, LL; Niedbalski, PJ; Wang, H; Wang, Z; Hysinger, EB; Myers, KC; Towe, CT; Driehuys, B; Cleveland, ZI; et al. Pediatric 129 Xe Gas-Transfer MRI-Feasibility and Applicability. Journal of Magnetic Resonance Imaging. 2022; 56:1207-1219.

Bdaiwi, AS; Niedbalski, PJ; Hossain, MM; Willmering, MM; Walkup, LL; Wang, H; Thomen, RP; Ruppert, K; Woods, JC; Cleveland, ZI. Improving hyperpolarized 129 Xe ADC mapping in pediatric and adult lungs with uncertainty propagation. NMR in Biomedicine. 2022; 35:e4639.

Roach, DJ; Willmering, MM; Plummer, JW; Walkup, LL; Zhang, Y; Hossain, MM; Cleveland, ZI; Woods, JC. Hyperpolarized 129Xenon MRI Ventilation Defect Quantification via Thresholding and Linear Binning in Multiple Pulmonary Diseases. Academic Radiology. 2022; 29 Suppl 2:S145-S155.

Walkup, LL; Myers, KC; Willmering, MM; Mehta, PA; Nelson, AS; Fleck, RJ; Woods, JC; Davies, SM; Towe, CT. Modern Lung Magnetic Resonance Imaging to Screen for Pulmonary Complications in Patients with Dyskeratosis Congenita. American Journal of Respiratory and Critical Care Medicine. 2021; 204:1340-1343.

Willmering, MM; Cleveland, ZI; Walkup, LL; Woods, JC. Removal of off-resonance xenon gas artifacts in pulmonary gas-transfer MRI. Magnetic Resonance in Medicine. 2021; 86:907-915.

Hahn, AD; Malkus, A; Kammerman, J; Higano, N; Walkup, LL; Woods, J; Fain, SB. Effects of neonatal lung abnormalities on parenchymal R2 * estimates. Journal of Magnetic Resonance Imaging. 2021; 53:1853-1861.

Lin, NY; Roach, DJ; Willmering, MM; Walkup, LL; Hossain, MM; Desirazu, P; Cleveland, ZI; Guilbert, TW; Woods, JC. 129Xe MRI as a measure of clinical disease severity for pediatric asthma. Journal of Allergy and Clinical Immunology. 2021; 147:2146-2153.e1.

Dournes, G; Walkup, LL; Benlala, I; Willmering, MM; Macey, J; Bui, S; Laurent, F; Woods, JC. The Clinical Use of Lung MRI in Cystic Fibrosis: What, Now, How?. Chest. 2021; 159:2205-2217.

Pennati, F; Walkup, LL; Chhabra, A; Towe, C; Myers, K; Aliverti, A; Woods, JC. Quantitative inspiratory-expiratory chest CT to evaluate pulmonary involvement in pediatric hematopoietic stem-cell transplantation patients. Pediatric Pulmonology. 2021; 56:1026-1035.

Willmering, MM; Roach, DJ; Kramer, EL; Walkup, LL; Cleveland, ZI; Woods, JC. Sensitive structural and functional measurements and 1-year pulmonary outcomes in pediatric cystic fibrosis. Journal of Cystic Fibrosis. 2021; 20:533-539.

Plummer, JW; Emami, K; Dummer, A; Woods, JC; Walkup, LL; Cleveland, ZI. A semi-empirical model to optimize continuous-flow hyperpolarized 129Xe production under practical cryogenic-accumulation conditions. Journal of Magnetic Resonance. 2020; 320:106845.

Thomen, RP; Woods, JC; Sturm, PF; Jain, V; Walkup, LL; Higano, NS; Quirk, JD; Varisco, BM. Lung microstructure in adolescent idiopathic scoliosis before and after posterior spinal fusion. Editor, Koval M. PloS one. 2020; 15:e0240265.

Hahn, AD; Malkus, A; Kammerman, J; Higano, N; Walkup, L; Woods, J; Fain, SB. Characterization of R2∗ and tissue density in the human lung: Application to neonatal imaging in the intensive care unit. Magnetic Resonance in Medicine. 2020; 84:920-927.

Thomen, RP; Walkup, LL; Roach, DJ; Higano, N; Schapiro, A; Brody, A; Clancy, JP; Cleveland, ZI; Woods, JC. Regional Structure-Function in Cystic Fibrosis Lung Disease Using Hyperpolarized 129Xe and Ultrashort Echo Magnetic Resonance Imaging. American Journal of Respiratory and Critical Care Medicine. 2020; 202:290-292.

Willmering, MM; Niedbalski, PJ; Wang, H; Walkup, LL; Robison, RK; Pipe, JG; Cleveland, ZI; Woods, JC. Improved pulmonary 129 Xe ventilation imaging via 3D-spiral UTE MRI. Magnetic Resonance in Medicine. 2020; 84:312-320.

Walkup, LL; Roach, DJ; Hall, CS; Gupta, N; Thomen, RP; Cleveland, ZI; McCormack, FX; Woods, JC. Cyst Ventilation Heterogeneity and Alveolar Airspace Dilation as Early Disease Markers in Lymphangioleiomyomatosis. Annals of the American Thoracic Society. 2019; 16:1008-1016.

Walkup, LL; Myers, K; El-Bietar, J; Nelson, A; Willmering, MM; Grimley, M; Davies, SM; Towe, C; Woods, JC. Xenon-129 MRI detects ventilation deficits in paediatric stem cell transplant patients unable to perform spirometry. The European respiratory journal : official journal of the European Society for Clinical Respiratory Physiology. 2019; 53:1801779.

Walkup, LL; Higano, NS; Woods, JC. Structural and Functional Pulmonary Magnetic Resonance Imaging in Pediatrics-From the Neonate to the Young Adult. Academic Radiology. 2019; 26:424-430.