Christof Karmonik

Christof Karmonik, PhD

Research Professor of Radiology, Academic Institute
Full Research Member & Director, MRI Core, Research Institute
Houston Methodist
Weill Cornell Medical College


Research Lab


ckarmonik@houstonmethodist.org
Biography

After completing his postdoctoral training in 2000, Dr. Karmonik joined the faculty at the Baylor College of Medicine in Houston, Texas as Instructor in the Department of Medicine. He became an Assistant Professor in the Department of Radiology there in 2002. In addition to his academic appointments, Dr. Karmonik was also a senior software engineer for the Schlumberger Companies. He joined Houston Methodist Hospital and Research Institute in 2005.

Description of Research

Dr. Karmonik’s research focuses on enhancing information in medical images by optimized acquisition techniques and advanced post-processing algorithms. Applications include visualization and quantification of hemodynamics in cerebral aneurysms to optimize outcome after flow diverter treatment using 4D phase contrast MRI and computational fluid dynamics together with 3D printing technology, understanding flow changes in the ascending aorta in patients with left ventricular flow devices and probing functional connectivity in the brain in health and disease. 

Areas Of Expertise

functional Magnetic Resonance Computational Fluid Dynamics Computational Surgery Brain imaging Image Processing
Education & Training

Postdoctoral Fellowship, University of Texas MD Anderson Cancer Center
Visiting Research Fellowship, National Institute of Standards and Technology
MS, University of the Saarland
PhD, University of the Saarland
Publications

Automatic Classification of Magnetic Resonance Histology of Peripheral Arterial Chronic Total Occlusions Using a Variational Autoencoder: A Feasibility Study
Csore, J, Karmonik, C, Wilhoit, K, Buckner, L & Roy, TL 2023, , Diagnostics, vol. 13, no. 11, 1925. https://doi.org/10.3390/diagnostics13111925

Magnetic Resonance-Guided Stereotaxy for Infusions to the Pig Brain
Cruz-Garza, JG, Taghlabi, KM, Bhenderu, LS, Gupta, S, Pandey, A, Frazier, AM, Brisbay, S, Patterson, JD, Salegio, EA, Kantorak, CJ, Karmonik, C, Horner, PJ, Rostomily, RC & Faraji, AH 2023, , Journal of Visualized Experiments, vol. 2023, no. 193, e64079. https://doi.org/10.3791/64079

First insights into the role of wall shear stress in the development of a distal stent graft induced new entry through computational fluid dynamics simulations
Osswald, A, Weymann, A, Tsagakis, K, Zubarevich, A, Thielmann, M, Schmack, B, Ruhparwar, A & Karmonik, C 2023, , Journal of Thoracic Disease, vol. 15, no. 2, pp. 281-290. https://doi.org/10.21037/jtd-22-1206

To Cross or Not to Cross: Using MRI-Histology to Characterize Dense Collagenous Plaque in Critical Limb Ischemia
Shah, KJ, Benfor, B, Karmonik, C, Lumsden, AB & Roy, TL 2023, , Methodist DeBakey cardiovascular journal, vol. 19, no. 1, pp. 1-6. https://doi.org/10.14797/mdcvj.1186

Performance of rupture-related morphological parameters in posterior communicating artery aneurysms with fetal-type variant
Chen, S, Li, C, Karmonik, C, Cheng, Y & Lv, N 2023, , Folia morphologica, vol. 82, no. 1, pp. 30-36. https://doi.org/10.5603/FM.a2021.0123

Hostile Hemodynamics in Distal Stent Graft-Induced New Entry Prior to Aortic Rupture: A Comparison of Transient versus Steady-State CFD Simulations
Osswald, A, Tsagakis, K, Demircioglu, E, Weymann, A, Zubarevich, A, Ruhparwar, A & Karmonik, C 2023, , Thoracic and Cardiovascular Surgeon. https://doi.org/10.1055/s-0043-1771357

7T MRI and molecular studies of Dotarem (gadoterate meglumine) retention in macrophages.
Uosef, A, Subuddhi, A, Lu, A, Ubelaker, HV, Karmonik, C, Wosik, J, Ghobrial, RM & Kloc, M 2022, , Journal of Magnetic Resonance Open, vol. 12-13, 100085. https://doi.org/10.1016/j.jmro.2022.100085

Supraspinal Neural Changes in Men With Benign Prostatic Hyperplasia Undergoing Bladder Outlet Procedures: A Pilot Functional MRI Study
Hubbard, LC, Shi, Z, Gonzalez, RR, Tran, K, Karmonik, C, Jang, Y & Khavari, R 2022, , Urology, vol. 169, pp. 173-179. https://doi.org/10.1016/j.urology.2022.07.004

Systems and methods for improving cerebrospinal fluid (csf) drainage
Golanov, EV, Britz, GW, Regnier-Golanov, A, Karmonik, C & Eskuri, A Oct. 27 2022, , Patent No. WO2022226155A1.

Predictors for outcomes of noninvasive, individualized transcranial magnetic neuromodulation in multiple sclerosis women with neurogenic voiding dysfunction
Tran, K, Yongchang, J, Shi, Z, Karmonik, C, Choksi, D, Salazar, BH, Lincoln, JA & Khavari, R 2022, , Continence. https://doi.org/10.1016/j.cont.2022.100517

White Matter Integrity in Men With Benign Prostatic Hyperplasia and Bladder Outlet Obstruction and Its Contribution to Lower Urinary Tract Symptoms
Jang, Y, Tran, K, Hubbard, L, Choksi, D, Gonzalez, RR, Karmonik, C, Shi, Z & Khavari, R 2022, , International Neurourology Journal, vol. 26, no. 3, pp. 219-226. https://doi.org/10.5213/inj.2244018.009

eNAMPT Neutralization Preserves Lung Fluid Balance and Reduces Acute Renal Injury in Porcine Sepsis/VILI-Induced Inflammatory Lung Injury
Sammani, S, Bermudez, T, Kempf, CL, Song, JH, Fleming, JC, Reyes Hernon, V, Hufford, M, Tang, L, Cai, H, Camp, SM, Natarajan, V, Jacobson, JR, Dudek, SM, Martin, DR, Karmonik, C, Sun, X, Sun, B, Casanova, NG, Bime, C & Garcia, JGN 2022, , Frontiers in Physiology, vol. 13, 916159. https://doi.org/10.3389/fphys.2022.916159

Music to My Ears: Neural modularity and flexibility differ in response to real-world music stimuli
Bonomo, ME, Brandt, AK, Frazier, JT & Karmonik, C 2022, , IBRO Neuroscience Reports, vol. 12, pp. 98-107. https://doi.org/10.1016/j.ibneur.2021.12.007

Transcutaneous spinal stimulation alters cortical and subcortical activation patterns during mimicked-standing: A proof-of-concept fMRI study
Manson, G, Atkinson, DA, Shi, Z, Sheynin, J, Karmonik, C, Markley, RL & Sayenko, DG 2022, , Neuroimage: Reports, vol. 2, no. 2, 100090. https://doi.org/10.1016/j.ynirp.2022.100090

Transcutaneous spinal stimulation alters cortical and subcortical activation patterns during mimicked-standing: A proof-of-concept fMRI study
Manson, GA, Atkinson, DA, Shi, Z, Sheynin, J, Karmonik, C, Markley, R & Sayenko, D 2022, , Neuroimage: Reports.

Noninvasive, Individualized Cortical Modulation Using Transcranial Rotating Permanent Magnet Stimulator for Voiding Dysfunction in Women with Multiple Sclerosis: A Pilot Trial
Khavari, R, Tran, K, Helekar, SA, Shi, Z, Karmonik, C, Rajab, H, John, B, Jalali, A & Boone, T 2022, , Journal of Urology, vol. 207, no. 3, pp. 657-667. https://doi.org/10.1097/JU.0000000000002297

Preliminary Analysis of Brain Footprints in Multiple Sclerosis Females With Detrusor Sphincter Dyssynergia: A Concurrent Urodynamic and Functional Magnetic Resonance Imaging Study
Tran, K, Hubbard, L, Karmonik, C, Boone, TB & Khavari, R 2022, , International Neurourology Journal, vol. 26, no. Suppl 1, pp. S38-S46. https://doi.org/10.5213/inj.2142012.006

Alterations in brain activation patterns in women with functional defecatory disorder: A novel fMRI rectal balloon expulsion study
Neshatian, L, Karmonik, C, Khavari, R, Shi, Z, Elias, S, Boone, T & Quigley, EMM 2022, , Neurogastroenterology and Motility, vol. 34, no. 12, e14389. https://doi.org/10.1111/nmo.14389

Modeling Flow Diverters Using a Porous Medium Approach: A Fast Alternative to Virtual Flow Diverter Deployment
Xu, J, Karmonik, C, Yu, Y, Lv, N, Shi, Z, Liu, JM & Huang, Q 2022, , World neurosurgery, vol. 164, pp. e501-e508. https://doi.org/10.1016/j.wneu.2022.04.132

Altered bladder-related brain network in multiple sclerosis women with voiding dysfunction
Shi, Z, Karmonik, C, Soltes, A, Tran, K, Lincoln, JA, Boone, T & Khavari, R 2022, , Neurourology and Urodynamics, vol. 41, no. 7, pp. 1612-1619. https://doi.org/10.1002/nau.25008