{"id":23437,"date":"2023-12-08T12:02:40","date_gmt":"2023-12-08T16:02:40","guid":{"rendered":"https:\/\/www.fusfoundation.org\/?post_type=sw_disease_condition&p=23437"},"modified":"2025-06-05T11:41:13","modified_gmt":"2025-06-05T15:41:13","slug":"urinary-obstruction","status":"publish","type":"sw_disease_condition","link":"https:\/\/www.fusfoundation.org\/diseases-and-conditions\/urinary-obstruction\/","title":{"rendered":"Urinary Obstruction"},"content":{"rendered":"\n

Focused Ultrasound Therapy<\/h2>\n\n\n\n

Focused ultrasound is a therapeutic technology that could transform the quality of life and decrease the cost of care for patients with urinary obstruction. This novel technology focuses beams of ultrasound energy precisely on existing urinary stents that have become obstructed deep in the body without damaging surrounding normal tissue.<\/p>\n\n\n\n

How it Works<\/strong>
Where the beams converge, focused ultrasound produces repeated bursts of energy that have been shown in a preclinical setting to disrupt the encrustations on removed urinary stents and allow them to be recanalized. The current practice is to have surgery to remove non-functioning stents and replace them with new ones.  The plan is to use this approach to lengthen the time between stent replacements.<\/p>\n\n\n\n

The primary option for treatment of urinary obstruction due to stent occlusion is to have invasive surgery for stent replacement. While significant work has been accomplished, there is still much to be done before this technology will be widely available.<\/p>\n\n\n\n

Advantages<\/strong>
For certain patients, focused ultrasound could provide a noninvasive alternative to surgery with less risk of complications \u2013 such as like surgical wound healing or infection \u2013 at a lower cost. Focused ultrasound can reach the desired target without damaging surrounding tissue, and it can be repeated, if necessary. <\/p>\n\n\n\n

Clinical Trials<\/h2>\n\n\n\n

At the present time, there are no clinical trials recruiting patients for focused ultrasound treatment of urinary obstruction due to an encrusted stent.<\/p>\n\n\n\n

The Foundation updates these pages regularly, but with the increasing number of clinical trials, we want to be sure that our audience has the latest information available. Therefore, we also added the website search information for the above trials. If you click here<\/strong><\/a>, it will take you to the latest information available from https:\/\/www.clinicaltrials.gov\/<\/strong><\/a>.<\/p>\n\n\n\n

Regulatory Approval and Reimbursement<\/h2>\n\n\n\n

Focused ultrasound treatment for urinary obstruction due to stent encrustation is not yet approved by regulatory bodies or covered by medical insurance companies.<\/p>\n\n\n\n

Notable Papers<\/h2>\n\n\n\n

Singh R, Samaddar A, Duchene D, Waller S, Yang X. Recanalize ureteral stents with\u00a0focused\u00a0ultrasound<\/strong><\/a>. Med Phys. 2023 May 8. doi: 10.1002\/mp.16447. Online ahead of print. PMID:\u00a037153961<\/p>\n\n\n\n

Click<\/strong> here<\/strong><\/a> for additional references from PubMed.\u00a0<\/strong><\/p>\n","protected":false},"template":"","meta":{"_acf_changed":false,"_searchwp_excluded":"","_editorskit_title_hidden":false,"_editorskit_reading_time":0,"_editorskit_is_block_options_detached":false,"_editorskit_block_options_position":"{}","episode_type":"","audio_file":"","podmotor_file_id":"","podmotor_episode_id":"","cover_image":"","cover_image_id":"","duration":"","filesize":"","filesize_raw":"","date_recorded":"","explicit":"","block":"","itunes_episode_number":"","itunes_title":"","itunes_season_number":"","itunes_episode_type":"","_vp_format_video_url":"","_vp_image_focal_point":[],"footnotes":""},"sw_disease_condition_cat":[18],"sw_disease_condition_stage":[14],"class_list":["post-23437","sw_disease_condition","type-sw_disease_condition","status-publish","hentry","sw_disease_condition_cat-urological"],"acf":[],"yoast_head":"\nUrinary Obstruction - Focused Ultrasound Foundation<\/title>\n<meta name=\"description\" content=\"Learn how focused ultrasound, a noninvasive therapeutic technology, is being investigated to address Urinary Obstruction\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/www.fusfoundation.org\/diseases-and-conditions\/urinary-obstruction\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Urinary Obstruction - 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