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The research team will evaluate pupillary dilation from vagal nerve stimulation of Arnold's Nerve, a branch of the vagus nerve, during routine cochlear implantation surgery.

In dental implant restoration, available literature demonstrates the advantage of using tall abutments, with a change of diameter with respect to the implant and a conical internal connection in the abutment-implant gap. However, for multiple restorations, the abutment-prosthesis…

The investigators designed an observational multicenter explorative in vivo study to investigate the changes in ceftriaxone pharmacokinetics in blood and ascites. The investigators will include a total of 20 patients with liver cirrhosis admitted to the ward of participating hosp…

The goal of this observational study is to determine the incidence of dislodgement for adductor canal catheters after total knee arthroplasty on post-operative day 1. We will also attempt to identify factors associated with secondary catheter failure.

Patients at the Orthodontic Department of the University of Damascus Dental School will be examined, and subjects who meet the inclusion criteria will be included. Then, initial diagnostic records (diagnostic gypsum models, internal and external oral photographs, and radiographic…

This is a single site, prospective pilot study to determine the feasibility and safety of the administration of HP 13C bicarbonate in 10 patients with prostate cancer to determine potential hydrogen (pH) values in surrounding tissue. The proposed study will evaluate pre-surgical …

Determination of proteins and their levels in the vitreous of eyes with or without pseudoexfoliation syndrome (PEX)

Non-alcoholic fatty liver disease (NAFLD) is currently the most common chronic liver disease, with an estimated prevalence of 5-30% in the general population and 55-80% in patients with type 2 diabetes. Methods for the quantitative and non-invasive assessment of liver fat conten…

The assessment of cervical stiffness plays a major role in obstetrics, for example to assess the risk of preterm birth. The Pregnolia System is a CE-certified measuring device that objectively determines cervical stiffness using a slight negative pressure. The Pregnolia System w…

Perilunate injuries can be debilitating injuries that involve the carpus. These can limit patients' functionality both acutely and long-term. Not only do their potential for nerve injury increase risk of lasting weakness and chronic pain, but their complex surrounding involving t…

This randomised controlled trial aims to assess the effects of three different types of dietary advice for reducing free sugar intakes, on intakes of free sugar, in a sample of the UK population.

The project will be pursued in our respiratory, autonomic nervous system physiology laboratory (Respiratory, autonomic nervous system physiology laboratory, Department of Pneumology and Intensive Care Medicine, RWTH Aachen University Hospital). Overactivity of the sympathetic ne…

This study evaluates the occurrence of anti-human leukocyte antigen (anti-HLA) antibodies following bone regeneration procedures performed prior to dental implant therapy. Allogeneic bone grafts are widely used in regenerative oral surgery due to their favorable osteoconductive a…

Prospective observational study about progression and regression of biological parameters of HELLP syndrome

Among the causes of ovulation disorders (group II of anovulation according to the World Health Organization classification), the dominant one is polycystic ovary syndrome (PCOS), and the remaining cases are classified as Hypothalamic-Pituitary-Ovarian Axis Dysfunction (HPOD). The…

The purpose of the proposed study is to broaden our understanding on the neural effects of High Definition Transcranial Direct Current Stimulation (HD-tDCS) so that its clinical effects can be further improved.

Research shows that exercising at home can improve arm and hand movement after a stroke. Unfortunately, it can be hard to exercise enough to make a difference in arm and hand movement after stroke. In this study, the investigators will try to determine things that make it easy or…

The purpose of this study is to investigate the effect of short-term descent in healthy residents at moderate altitude (\>1000 m.a.s.l.).

Cerebral vasospasm is characterized by a vasoconstriction of cerebral arteries causing a reduction of cerebral blood flow (CBF) and leading to ischemia and infarction of the brain parenchyma. Cerebral vasospasm is a serious complication of aneurysmal subarachnoid hemorrhage (SAH)…

The goal of this observational study is to evaluate and compare the performance of two prosthetic feet for unilateral transtibial amputees during both indoor and outdoor activities. The main research questions aim to answer are: 1. Can a low-cost prosthetic foot enhance gait mec…