Catheterless long-term ambulatory urodynamic measurement using a novel three-device system.

<h4>Aims</h4>Long-term urodynamics are required because bladder-emptying disorders are often not clearly revealed by conventional urodynamics. Patients with severe clinical overactive bladder symptoms, for instance, often show normal results. This may be due to the short evaluation time...

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Autores principales:	Sebastian Wille, Pauline Schumacher, Jenny Paas, Dirk Tenholte, Okyaz Eminaga, Ute Müller, Noemi Muthen, Jan Mehner, Oliver Cornely, Udo Engelmann
Formato:	article
Lenguaje:	EN
Publicado:	Public Library of Science (PLoS) 2014
Materias:	Medicine R Science Q
Acceso en línea:	https://doaj.org/article/27c33243f1be4caa87ecb11f474af1cb
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spelling	oai:doaj.org-article:27c33243f1be4caa87ecb11f474af1cb2021-11-18T08:18:49ZCatheterless long-term ambulatory urodynamic measurement using a novel three-device system.1932-620310.1371/journal.pone.0096280https://doaj.org/article/27c33243f1be4caa87ecb11f474af1cb2014-01-01T00:00:00Zhttps://www.ncbi.nlm.nih.gov/pmc/articles/pmid/24840482/pdf/?tool=EBIhttps://doaj.org/toc/1932-6203<h4>Aims</h4>Long-term urodynamics are required because bladder-emptying disorders are often not clearly revealed by conventional urodynamics. Patients with severe clinical overactive bladder symptoms, for instance, often show normal results. This may be due to the short evaluation time and psychological factors that complicate conventional urodynamics. This study aimed to develop an ambulatory three-component urodynamic measurement system that is easy to operate, registers urodynamic parameters for several days, and has no negative impact on the patient.<h4>Methods</h4>We developed an intravesical capsule combined with a hand-held device to register voiding desire and micturition, and an alarm pad device that detects urine loss. Recently, the intravesical capsule and its proven function were detailed in the literature. Here, we present detailed in vitro results using a female bladder model. The flexible capsule was C-shaped to minimize the risk of expulsion from the bladder during micturition. Results of biocompatibility evaluation of the intravesical capsule, which is called Wille Capsule (WiCa) are described.<h4>Results</h4>The WiCa with an oval nose and a maximum outer diameter of 5.5 mm was easily inserted through a 25-French cystoscope. Removing the WiCa by grasping the nose using the female model with bladder was easily conducted. Expulsion of the WiCa during voiding was avoided through a novel C-shaped device design. Based on in vitro cytotoxicity studies, the capsule is a promising and safe device.<h4>Conclusion</h4>Our novel system is an innovative minimally-invasive tool for accurate long-term urodynamic measurement, and does not require inserting a transurethral catheter.Sebastian WillePauline SchumacherJenny PaasDirk TenholteOkyaz EminagaUte MüllerNoemi MuthenJan MehnerOliver CornelyUdo EngelmannPublic Library of Science (PLoS)articleMedicineRScienceQENPLoS ONE, Vol 9, Iss 5, p e96280 (2014)
institution	DOAJ
collection	DOAJ
language	EN
topic	Medicine R Science Q
spellingShingle	Medicine R Science Q Sebastian Wille Pauline Schumacher Jenny Paas Dirk Tenholte Okyaz Eminaga Ute Müller Noemi Muthen Jan Mehner Oliver Cornely Udo Engelmann Catheterless long-term ambulatory urodynamic measurement using a novel three-device system.
description	<h4>Aims</h4>Long-term urodynamics are required because bladder-emptying disorders are often not clearly revealed by conventional urodynamics. Patients with severe clinical overactive bladder symptoms, for instance, often show normal results. This may be due to the short evaluation time and psychological factors that complicate conventional urodynamics. This study aimed to develop an ambulatory three-component urodynamic measurement system that is easy to operate, registers urodynamic parameters for several days, and has no negative impact on the patient.<h4>Methods</h4>We developed an intravesical capsule combined with a hand-held device to register voiding desire and micturition, and an alarm pad device that detects urine loss. Recently, the intravesical capsule and its proven function were detailed in the literature. Here, we present detailed in vitro results using a female bladder model. The flexible capsule was C-shaped to minimize the risk of expulsion from the bladder during micturition. Results of biocompatibility evaluation of the intravesical capsule, which is called Wille Capsule (WiCa) are described.<h4>Results</h4>The WiCa with an oval nose and a maximum outer diameter of 5.5 mm was easily inserted through a 25-French cystoscope. Removing the WiCa by grasping the nose using the female model with bladder was easily conducted. Expulsion of the WiCa during voiding was avoided through a novel C-shaped device design. Based on in vitro cytotoxicity studies, the capsule is a promising and safe device.<h4>Conclusion</h4>Our novel system is an innovative minimally-invasive tool for accurate long-term urodynamic measurement, and does not require inserting a transurethral catheter.
format	article
author	Sebastian Wille Pauline Schumacher Jenny Paas Dirk Tenholte Okyaz Eminaga Ute Müller Noemi Muthen Jan Mehner Oliver Cornely Udo Engelmann
author_facet	Sebastian Wille Pauline Schumacher Jenny Paas Dirk Tenholte Okyaz Eminaga Ute Müller Noemi Muthen Jan Mehner Oliver Cornely Udo Engelmann
author_sort	Sebastian Wille
title	Catheterless long-term ambulatory urodynamic measurement using a novel three-device system.
title_short	Catheterless long-term ambulatory urodynamic measurement using a novel three-device system.
title_full	Catheterless long-term ambulatory urodynamic measurement using a novel three-device system.
title_fullStr	Catheterless long-term ambulatory urodynamic measurement using a novel three-device system.
title_full_unstemmed	Catheterless long-term ambulatory urodynamic measurement using a novel three-device system.
title_sort	catheterless long-term ambulatory urodynamic measurement using a novel three-device system.
publisher	Public Library of Science (PLoS)
publishDate	2014
url	https://doaj.org/article/27c33243f1be4caa87ecb11f474af1cb
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Catheterless long-term ambulatory urodynamic measurement using a novel three-device system.

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