Clinical Trials About "Single institution report setup margins voluntary deep inspiration" RSS

21:43 EDT 20th March 2019 | BioPortfolio

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Showing "Single institution report setup margins voluntary deep inspiration" Clinical Trials 1–25 of 15,000+


Inspiratory Flow Using the Osmohaler

The OsmohalerTM is a registered device in Australia. It is used to deliver a dry powder a commercial preparation of mannitol registered as AridolTM to test if a person has irritable airways such as active asthma. The overseas regulatory authorities need to know that people of all ages can achieve an adequate inspiratory flow through this device during a controlled deep inspiration. Adequate flow is generally regarded as greater than 30 litres per minute in children and 60 ...

A Phase II Study of the Use of Deep Inspiration Breath Hold and Prone Irradiation to Decrease Cardiac Radiation Exposure

This study aims to discover more about radiation techniques for people treated for left-sided breast cancer that minimizes exposure to the heart, as noted by mean heart dose.

Assessment of Left-sided Cardiac Sparing Through the Use of 3-dimensional Surface Matching-based Deep Inspiration Breath Hold and Active Breathing Control

The standard treatment for breast cancer is surgery followed by adjuvant breast radiation therapy in most cases. For left sided breast cancers, the heart dose delivered by the radiation treatment is often of particular concern. In order to spare the heart, different strategies are currently available, including active breathing control (ABC) and voluntary deep in inspiration breath hold (DIBH) (both strategies are currently being used at our centre). To perform accurate heart-s...

Assessment of 2 Different Techniques for Suppression of Respiratory Motion in Lung Cancer Treatment With Proton Therapy Using Magnetic Resonance Imaging (MRI)

Since 1996 proton therapy has been applied very successfully at the Paul Scherrer Institute in Switzerland to irradiate deep-seated, stationary tumors. In order to treat tumors within an organ which moves due to breathing (e.g. lung) motion mitigation strategies need to be implemented to ensure the precise irradiation of the moving target. The aim of this study is to assess the feasibility and compare (via MRI imaging) 2 techniques which "freeze" the movement of the lung by bre...

Effect of PEP on Oxygen Saturation and Carbon Dioxide After Abdominal Surgery

PEP (positive expiratory pressure) is routinely given to patients after surgery in order to improve lung function. There is, however, no evidence of effect on lung function, postoperative pneumonia or any other outcome (Guimarães MMF, Tyson AF). We aim to test the immediate effects on oxygen saturation and carbon dioxide. 70 patients will be investigated in RCT design with deep inspirations and expression in PEP or only deep inspiration. Primary outcome: continuous oxygen satu...

Radiotherapy Delivery in Deep Inspiration for Pediatric Patients

TEDDI is a non-randomised phase II trial in Scandinavia. All pediatric patients, referred for radiotherapy in the thorax or abdomen and irrespective of diagnosis, are eligible. Deep inspiration breath-hold (DIBH) is a simple radiotherapy technique, which could have a dramatic impact on the risk of late effects in children. In DIBH, the radiotherapy is delivered while the patient holds his/her breath (4-6 sequential breath-holds). The anatomy is changed and imaging artifacts fr...

Prospective Assessment of Radiation-induced Heart Injury in Left-sided Breast Cancer

This study is to prospectively investigate the cardiac dose-sparing effect and clinical benefit of deep inspiration breath-hold (DIBH) technique. Patients with left-sided breast cancer treated with breast conserving surgery followed by radiotherapy is enrolled. Radiotherapy is delivered with either free-breathing or deep inspiration breath-hold (DIBH) technique. The cardiac dose parameters and cardiac toxicity are prospective evaluated, and the dose-effect relationship is analy...

Active Breathing Coordinator-based vs VisionRT-based Deep Inspiration Breath-hold for Radiation for Breast Cancer

Female patients treated with radiation for left-sided breast malignancy will undergo alternate fractions of Active Breathing Coordinator (ABC)-assisted and VisionRT-assisted Deep Inspiration Breath-Hold (DIBH).

Exploratory Study on Therapy for Breath Hold in Radiotherapy

Due to breathing and other motions, tumours, such as breast and lung cancer, as well as their surrounding organs (e.g. the heart), move, which poses a challenge for radiotherapy treatment. Reducing or even stopping breathing, e.g. by irradiating during inspiration, is a way to decrease tumour and organ motion resulting in a reliable target coverage with smaller margins. These smaller margins can result in a better sparing of normal tissues. Furthermore, in some patients, during...

Deep Brain Stimulation in Treating Patients With Dystonia

RATIONALE: Dystonia is a disorder in which the muscles that control voluntary movements are persistently or intermittently contracted (not relaxed). Deep brain stimulation is provided by a small, battery operated implant placed under the skin of the chest that delivers low voltage electrical pulses through a wire under the skin that is connected to a specific area of the brain. Deep brain stimulation may help lessen the symptoms of dystonia. PURPOSE: Phase II/III trial to stud...

Synovial Chondrosarcoma: a Single Institution Experience

single institution cases series review of histological, radiological and clinical data

Comparison of Tiered OR Versus Status Quo OR Setup

Operating room (OR) costs consume a significant portion of hospital budgets. Standard or "Status Quo" ORs are equipped with the same, fixed set of assigned resources, regardless of case complexity or actual resource requirements. Allocation of resources in standard ORs is the same whether the participant is having heart surgery or bunion removal. The investigators propose a strategy for OR design and set up wherein resources are carefully matched to procedure complexity as a n...

Effect of Deep Brain Stimulation on Gastrointestinal (GI) Motility

Parkinson's disease is characterized by extra-pyramidal symptoms as well as digestive involvement with gastrointestinal motility (GI) impairment. Deep brain stimulation has been recently developed as a successful treatment for extrapyramidal symptoms. In addition, preliminary reports suggest that this therapy might be successful to relieve GI symptoms as well. The aim of this study is therefore to assess the effect of deep brain stimulation on GI voluntary as well as involuntar...

Breast Radiotherapy Audio Visual Enhancement for Sparing the Heart

This study investigates the Breathe Well device to test whether it is superior to the existing treatment standard of the Varian Realtime Position Management (RPM) system in assisting patients with deep inspiration breath hold.

The Clinical Relevance of Margins in Frameless Stereotactic Radiosurgery for Intact Brain Metastases: a Randomized Trial of 0 vs 2 mm Margins

The objective is to to compare 2 mm vs 0 mm PTV margins with respect to local PFS and risk of radionecrosis when treating intact brain metastases with LINAC-based frameless SRS

Controlled Hyperventilation as Prophylaxis for Acute Mountain Sickness

This study evaluates the safety and efficacy of the voluntary ventilatory response as prophylaxis for acute mountain sickness, measured by the Lake Louise Self-Report Score, comparing to a group using acetazolamide.

RAndomized Longitudinal STudy of ApheResis VolUntarY Blood DonorS' Bone DensiTy

A longitudinal, randomized, controlled, single-center Phase IV clinical trial will be performed to assess changes in bone mineral density (BMD) among voluntary apheresis blood donors. The primary outcome measure will be clinically significant decline in BMD at the lumbar spine assessed by dual-energy x-ray absorptiometry (DXA).

Angiomatoid Fibrous Histiocytoma: a Single Institution Case-series

single institution cases series review of histological and clinical data

Postoperative Radiotherapy According to Molecular Analysis of Surgical Margins of Oral and Oropharyngeal SCC

There is no consensus on the indication of postoperative radiotherapy for early stages oral and oropharyngeal squamous cell carcinoma with complete pathological resection and no neck node metastasis, but most of the institutions do not give any post-operative treatment. Loco-regional control rates range between 80-85% at five years. Surgical margins molecular analysis for microsatellite instability (MSI) marker could help to select the high-risk patients who should receive post...

Towards Restoring the Physiological Inhibition of Airway Narrowing in Asthma

Asthma and COPD are characterized by airway narrowing. The most potent, physiological mechanism leading to bronchodilation is taking a deep inspiration. This protects healthy subjects against bronchoconstrictive stimuli, and reverses pre-existing bronchoconstriction. However, the deep breath-induced bronchoprotection and -bronchodilation is impaired in asthma. We questioned whether this is specific for asthma (in comparison to COPD), and whether this is associated with bronchia...

Does the Deep Layer of the Deep Temporalis Fascia Really Exist?

It has been widely accepted that a split of the deep temporal fascia occurs approximately 2 to 3 cm above the zygomatic arch, named the superficial and deep layers. The deep layer of the deep temporal fascia lies between superficial temporal fat pad and the temporal muscle. However, during the investigators' previous surgeries, the investigators did not find the deep layer of the deep temporal fascia between superficial temporal fat pad and the temporal muscle. This study was c...

Single Complete Compression Ultrasonography to Rule Out Deep Vein Thrombosis During Pregnancy and Postpartum

The objective of the EDVIGE study is to determine whether a negative single distal and proximal leg veins compression ultrasonography safely rules out the diagnosis of deep vein thrombosis in pregnant and post-partum women with clinical suspicion of DVT.

Curative Image Guided Radiotherapy for Prostate Cancer

The clinical importance of cone beam computer tomography based image guided radiotherapy (CT- IGRT) has not been established. The primary aim of the present trial is to investigate whether CT- IGRT and consequently reduced safety margins reduces the rectal side effects from curative, high dose radiotherapy in prostate cancer. Any impact of the reduced planning target volume in the CT- IGRT arm on biochemical freedom from disease will be evaluated as secondary outcome. An...

Deep Anterior Lamellar Keratoplasty (DALK)

The purpose of this study is to report outcomes of deep anterior lamellar keratoplasty (DALK) using the big-bubble technique.

Sealing Defective Margins of Composite Restorations With Fluid Composite Resin Nanofiller Reinforced

the patient (n=60), with at least 3 composite resins with marginal defects , randomized into 3 groups A=Sealed with flow composite reinforced with nanofiller , B= Sealed with resin sealant , and C=Control, without intervention , and then assessed by the FDI criteria for clinical performance and longevity of restorations

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