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@article{1306314,
author = {Mynderse, Lance A. and Hanson, Dennis and Robb, Richard A. and Pacík, Dalibor and Vít, Vítězslav and Varga, Gabriel and Wagrell, Lennart and Tornblom, Magnus and Cedano, Edwin Rijo and Woodrum, David A. and Dixon, Christopher M. and Larson, Thayne R.},
article_location = {New York},
article_number = {1},
doi = {http://dx.doi.org/10.1016/j.urology.2015.03.021},
keywords = {GADOLINIUM-ENHANCED MRI; MICROWAVE THERMOTHERAPY; TEMPERATURES},
language = {eng},
issn = {0090-4295},
journal = {Urology},
title = {Rezum System Water Vapor Treatment for Lower Urinary Tract Symptoms/Benign Prostatic Hyperplasia: Validation of Convective Thermal Energy Transfer and Characterization With Magnetic Resonance Imaging and 3-Dimensional Renderings},
volume = {86},
year = {2015}
}
TY - JOUR
ID - 1306314
AU - Mynderse, Lance A. - Hanson, Dennis - Robb, Richard A. - Pacík, Dalibor - Vít, Vítězslav - Varga, Gabriel - Wagrell, Lennart - Tornblom, Magnus - Cedano, Edwin Rijo - Woodrum, David A. - Dixon, Christopher M. - Larson, Thayne R.
PY - 2015
TI - Rezum System Water Vapor Treatment for Lower Urinary Tract Symptoms/Benign Prostatic Hyperplasia: Validation of Convective Thermal Energy Transfer and Characterization With Magnetic Resonance Imaging and 3-Dimensional Renderings
JF - Urology
VL - 86
IS - 1
SP - 122-127
EP - 122-127
PB - Elsevier Science Inc.
SN - 00904295
KW - GADOLINIUM-ENHANCED MRI
KW - MICROWAVE THERMOTHERAPY
KW - TEMPERATURES
N2 - OBJECTIVE To evaluate by magnetic resonance imaging the physical effects of convective thermal energy transfer with water vapor as a means of treating lower urinary tract symptoms due to benign prostatic hyperplasia. METHODS Sixty-five men with lower urinary tract symptoms were treated with the Rezum System by transurethral intraprostatic injection of water vapor. A group of 45 of these men consented to undergo a series of gadolinium-enhanced magnetic resonance imagings of the prostate after treatment to monitor the size and location of ablative lesions, their time course of resolution, and the corresponding change in prostate tissue volume. Visualization was conducted at 1 week, 1, 3, and 6 months after treatment. RESULTS Outcomes were available for 44 patients. Convective thermal lesions were limited to the transition zone and correlated with targeted treatment locations. At 1 week after treatment, the mean volume of ablative lesions was 8.2 cm3 (0.5-24.0 cm3). At 6 months, whole prostate volume was reduced by a mean of 28.9% and transition zone volume by 38.0% as compared with baseline 1-week images. At 3 and 6 months after treatment, the lesion volumes had reduced by 91.5% and 95.1%, respectively. Lesions remained within the targeted treatment zone without compromising integrity of the bladder, rectum, or striated urinary sphincter. CONCLUSION This imaging study confirms the delivery of convective water vapor technology to create thermal lesions in the prostate tissue. Lesions generated underwent near complete resolution by 3 and 6 months after treatment with a concomitant one-third reduction in overall prostate and transition zone volumes.
ER -
MYNDERSE, Lance A., Dennis HANSON, Richard A. ROBB, Dalibor PACÍK, Vítězslav VÍT, Gabriel VARGA, Lennart WAGRELL, Magnus TORNBLOM, Edwin Rijo CEDANO, David A. WOODRUM, Christopher M. DIXON a Thayne R. LARSON. Rezum System Water Vapor Treatment for Lower Urinary Tract Symptoms/Benign Prostatic Hyperplasia: Validation of Convective Thermal Energy Transfer and Characterization With Magnetic Resonance Imaging and 3-Dimensional Renderings. \textit{Urology}. New York: Elsevier Science Inc., 2015, roč.~86, č.~1, s.~122-127. ISSN~0090-4295. Dostupné z: https://dx.doi.org/10.1016/j.urology.2015.03.021.
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