Active clinical trials for "Constriction, Pathologic"

This is a prospective single-center study. Patients requiring posterior lumbar interbody fusion (PLIF) for degenerative disease are prospectively enrolled and followed. Patients enrolled in this study have asymptomatic pre-existing spinal canal stenosis at adjacent segment. This study will focus on the effects of preventative limited decompression at adjacent segment.

This is a randomized controlled multicenter trail comparing physical therapy to surgical decompression in patients with lumbar spinal stenosis. The 0-hypothesis is that there is no difference in the efficacy of structured physical therapy compared to surgical decompression. Our aim is to evaluate if physical therapy can serve as a nonsurgical alternative for patients with LSS, where the severity of symptoms indicates the need of surgical decompression.

Lumbar spinal stenosis (LSS) is the most common spinal degenerative disease. For conservative treatment failure, open lumbar decompression and fusion surgery is the main surgical treatment. After decades of development, open lumbar decompression and fusion surgery has been the standard treatment. However, there are still people and conditions that cannot be covered, such as elderly people who intolerable surgery, severe osteoporosis, and re-stenosis at adjacent segments after fusion. Percutaneous spinal endoscopic lumbar spinal decompression technique could be performed under local anesthesia, soft tissue damage is minimized, and effective spinal decompression can be achieved. There are still some controversial points of LSS decompression under percutaneous endoscope surgery, such as the range of decompression, choice of approach, postoperative spinal stability, learning curve, surgical safety, long-term effects of endoscopic treatment of restenosis at adjacent segments after fusion surgery. The purpose of this study was to solve these controversial points. A multi-center, prospective registration study based on the real world is planned. The total sample size is about 600 cases (300 cases in endoscopic surgery group, 300 cases in open decompression and fusion group). The mid- to long-term clinical efficacy and safety were evaluated.

The objective of this clinical investigation is to evaluate, in a controlled setting, the long-term (up to 12 months) safety and efficacy of the Solaris Vascular Stent Graft (Scitech) in clinical settings when used according to the indications of the IFU.

This is a prospective, multi-center, single-arm clinical trial to evaluate the safety and efficacy of Iron Bioresorbable Scaffold System (IBS Angel) in patients with pulmonary artery stenosis.

This study objective is to establish the safety and effectiveness of the Edwards SAPIEN 3 / SAPIEN 3 Ultra / SAPIEN 3 Ultra RESILIA Transcatheter Heart Valve systems in subjects with moderate, calcific aortic stenosis.

The purpose of this study was to compare the effects of limaprost(Opalmon® ) on walking ability, low back pain and leg pain after transforaminal epidural steroid injection (TFESI) was administered compared to the placebo group.

A prospective, multicenter and controlled study to observe the efficacy and safety of coated metal ureteral stent in the treatment of radiation induced ureteral stricture.

Randomised comparison of Culotte technique versus "Double Kissing" - Crush technique (DK-Crush) for the percutaneous treatment of de novo non-left main coronary bifurcation lesions with modern everolimus-eluting stents (DES) - German multicenter study

The primary goal of the trial is to investigate whether the experimental arms (receiving the Proprotein Convertase Subtilisin-Kexin Type 9 [PCSK9] inhibitor Evolocumab plus statin) could cause more changes from baseline in intracranial atherosclerotic plaque and hemodynamic features during 1 year of follow-up, compared with the control arm (taking statin) in patients with recent stroke/transient ischemic attack (TIA) caused by intracranial artery stenosis.