Clinical Trials About "Ahmed Glaucoma Valve and Single-Plate Molteno Implants in Treatment of Refractory Glaucoma" RSS

03:26 EST 13th December 2018 | BioPortfolio

We list hundreds of Clinical Trials about "Ahmed Glaucoma Valve and Single-Plate Molteno Implants in Treatment of Refractory Glaucoma" on BioPortfolio. We draw our references from global clinical trials data listed on and refresh our database daily.

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Showing "Ahmed Glaucoma Valve Single Plate Molteno Implants Treatment" Clinical Trials 1–25 of 26,000+

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Ahmed Glaucoma Valve and Single-Plate Molteno Implants in Treatment of Refractory Glaucoma

The purpose of this study is to investigate the efficacy and safety of the Ahmed valve implant (AVI) and the Molteno single-plate implant (MSPI) in eyes with refractory glaucoma during a follow-up period of 24 months.

Prospective Study Comparing the Efficacy of the Ahmed Valve and Baerveldt Tube in Refractory Glaucoma (AVB Study)

The purpose of this study is to compare the safety and efficacy of the Ahmed Valve and the Baerveldt Tube in treating refractory glaucoma. Eligible patients will be recruited from multiple study centers and randomized to a glaucoma drainage device for implantation. They will be followed long-term based upon outcome measures including intraocular pressure, glaucoma medication use, visual acuity, complications of the surgery and further treatments required.

Ahmed Glaucoma Valve Surgery With Mitomycin-C

This study will determine the effectiveness of Mitomycin-C use in the glaucoma surgery Ahmed valve implantation. Approximately 100 patients will be enrolled, with half receiving the Mitomycin-C treatment and the other half receiving placebo treatment.

Ahmed Versus Baerveldt Comparison (ABC) Study

The objective of this study is to compare the long-term safety and efficacy of the Ahmed and the Baerveldt implants in patients who are undergoing aqueous shunt implant surgery for glaucoma. Eligible patients will be randomized. Outcome measures include intraocular pressure, visual acuity, visual field, number of glaucoma medications, glaucoma reoperations, and complications, including suprachoroidal hemorrhage, endophthalmitis, choroidal effusion, diplopia, corneal edema, and...

Triamcinolone for Ahmed Glaucoma Valve

This triple-blind, stratified, randomized clinical trial includes 100 eyes of 100 patients aged 18 to 85 years with refractory glaucoma. Eligible subjects undergo stratified block randomization; eyes are first stratified to one of four subgroups: group 1:patients with previous failed trabeculectomy, group 2: uveitic glaucoma, group 3: neovascular glaucoma and group 4: other indications like aphakic glaucoma or glaucoma associated with vitreoretinal procedures. In each su...


Comparison of Efficacy Between Silicone Ahmed Glaucoma Valves With and Without Intravitreal Triamcinolone Injection

The management of neovascular glaucoma (NVG) is a challenge for the ophthalmologist and surgery is frequently needed to control IOP. The success rates of a drainage device is usually lower in NVG than in other forms of glaucoma. Triamcinolone intra-vitreous injections acetate has been used to treat macular edema secondary to diabetic retinopathy and central retinal vein occlusion and also to control inflammation in ophthalmologic surgeries. In the present study we will c...

The AGS Second Aqueous Shunt Implant vs. Transscleral Cyclophotocoagulation Treatment Study (ASSISTS)

Outcomes of subjects with uncontrolled glaucoma with a single existing aqueous tube shunt implant undergoing a second aqueous shunt to transscleral diode laser cyclophotocoagulation.

Study on Immediate Loading of Immediately Placed Single Implants.

The purpose of this study is to evaluate survival and success rates of dental implants placed with immediate loading protocol in extraction sockets. All patients were monitored for 1 year after implants placement.

Comparison of Efficacy Between Silicone Ahmed Glaucoma Valves and Second Trabeculectomy in Glaucoma Patients

In the management of open angle glaucoma, frequently more then one procedure is necessary to control the intra ocular pressure. There is still no consensus whether this second intervention should be a second trabeculectomy or a shunt device. In the present study we compare a second trabeculectomy versus Ahmed silicone shunt device in open angle glaucoma patients with previous trabeculectomy without proper IOP control.

PERCEVAL S Valve Clinical Study for Chinese Registration

This is a prospective, open, single arm, multi-center clinical study in China. The primary objective of this study is to demonstrate the safety and effectiveness of the PERCEVAL S heart valve when used to replace a diseased native or malfunctioning prosthetic aortic valve in the indicated Chinese population for tissue heart valve replacement and suitable to the PERCEVAL S valve. The secondary objectives are to collect all relevant device and subject demographics, procedu...

HALO: A Single Arm Prospective Investigation of the SJM™ Masters HP™ 15mm Rotatable Mechanical Heart Valve

The purpose of the study is to provide evidence of safety and effectiveness of the study valve. The rationale is to offer a replacement mitral valve for patients with anatomy that is too small for the currently commercially available valves ranging in size from 16mm to 37mm.

Hinged Versus Conventional 8 Plate for Correction of Genu Valgum or Varum

To assess the therapeutic effect of hinged 8-figure plate by comparing with the traditional 8-figure plate through a randomized controlled clinical trial by assessing the differences between preoperative and postoperative data. The hypothesis is that the hinged 8 plate provides low complications that this treatment is as good as the traditional one.

The Asia Primary Tube Versus Trab (TVT) Study

Comparison of Ahmed Glaucoma Implant (AGI) against trabeculectomy with mitomycin C in patients with uncontrolled open angle glaucoma

Long Term Follow up of the DVR-A Locking Plate

The surgical treatment of wrist fractures (distal radius bone) has been changed by the introduction of a new plate design, the locking plate. This results in improved fixation and stabilisation of the fracture fragments allowing early movement. This type of plate has been increasingly used throughout the world but questions have been raised regarding the potential complications of the surgery, particularly nerve and tendon injury. The Norfolk and Norwich Hospital has treated ...

Study on Immediate Placement to Evaluate Astra Tech Osseospeed Implants in an Immediate Loading Protocol in Extraction Sockets and Healed Ridges

This is a study to evaluate immediate implants.

Foreskin Graft Tubularized Incised Plate Urethroplasty vs Tubularized Incised Plate for Primary Hypospadias (FGTIP-TIP)

The purpose of this study is to determine the efficacy and safety of tubularized incised plate urethroplasty versus foreskin graft tubularized incised plate urethroplasty in primary hypospadias. This study only included patients with width of urethral plate ≤ 7 mm, width of glans ≤ 14 mm, and urethral plate depth shallow o moderate.

Treatment Outcome of Short Implant Assisted Mandibular Overdenture

This study evaluates the use of short dental implants to support mandibular overdenture together with the use of laser therapy for treatment of patients with atrophic ridges. All participants will receive laser therapy; half of participants will receive two short implants and the other half will receive four short implants.

TriRec - Trileaflet Reconstruction of the Aortic Valve With Autologous Pericardium

Reconstruction of the aortic valve using the tri-leaflet repair technique is non-inferior with regard to effective orifice area (EOA) to surgical aortic valve replacement (SAVR) with a biological prosthesis (St. Jude Trifecta GT) as gold- standard.

Transapical Implantation of Ventor Embracer™ Valve in Patients With Severe Aortic Valve Disease

A prospective single arm study evaluating feasibility and safety of a catheter-based transapical implantation of the Ventor Embracer™ aortic valve bioprosthesis in patients with severe aortic valve disease, specifically aortic stenosis, who are at elevated risk for standard surgical valve replacement.

Immediate Implant Placement With Immediate Provisionalization Into Extraction Sockets With Labial Plate Dehiscence Defects Within the Maxillary Esthetic Zone

Immediate tooth replacement with implants into extraction sockets has become a common clinical procedure regarding implant survival, osseointegration and esthetics. Basically, when there is a labial bone plate loss after extraction 2 stage GBR procedure would be carried out to allow adequate amount of bone formation to be reconstructed and receive the dental implant. The challenge is when there is a partial or complete loss of labial plate of bone resulting from severe ...

The Results of Ahmed Valve Operations

Glaucoma drainage devices are usually placed in the superior quadrants. The superotemporal quadrant is usually the site of choice. However, when the upper fornix is scarred and especially when conjunctiva is two fibrotic to enable adequate coverage of tube with a scleral or other patch graft, some surgeons place the tube in one of inferior quadrants.

The Use of 3D Printing in Orbital Fractures

The study is a prospective randomized longitudinal clinical study to compare pre-adapted patient-specific orbital implants utilizing an office-based 3-D printer versus standard non-adapted orbital implants (the latter being the traditional approach and current standard of care).

Effect of Tableware Visual Cues on Portion Control and Eating Rate

Randomised within subjects cross-over study (n=94) exploring the cognitive and physiological processes associated with portion control. Participants will eat a self-served lunch using a portion control plate vs. a conventional (control) plate on two separate occasions under a controlled laboratory environment. Portion size, meal micro-structure, attention, memory and satiety markers will be analysed. The portion control plate is a prototype designed in collaboration with the co...

Plating Clavicle Fractures

The anterior-inferior clavicle plate position will have a lower rate of soft tissue irritation that limits activity and/or requires hardware removal compared to superior plate position.

Comparing the Effectiveness of Repairing Versus Replacing the Heart's Mitral Valve in People With Severe Chronic Ischemic Mitral Regurgitation

People with coronary artery disease (CAD) or people who have had a heart attack may develop a leak in the mitral valve of their heart and may therefore need to undergo surgery to fix the valve. The best way to fix the mitral valve remains undetermined. This study will evaluate whether it is better for people with severe mitral valve leakage to undergo a mitral valve replacement procedure or a mitral valve repair procedure.

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