Clinical Trials About "Manganese dioxide could make preparation micromotors more cost" RSS

05:17 EST 17th December 2018 | BioPortfolio

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Showing "Manganese dioxide could make preparation micromotors more cost" Clinical Trials 1–25 of 6,900+

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Manganese in Women With Encephalopathy

Objective: Report manganese serum levels and mortality in encephalopathic patients. Patients and participants: Consecutive patients aged > 18 years, with hepatic encephalopathy and informed consent signed by their families. Interventions: Patients' clinical characteristics as well as biochemical tests of renal function, hemoglobin, glucose and albumin levels were obtained as well as a blood sample to analyze manganese levels with a graphite furnace atomic...


Ability of Changes in End Tidal Carbon Dioxide to Assess the Stroke Volume Effects of a Volume Expansion of 250ml of Crystalloid in the Operating Room

Volume expansion is the cornerstone of perioperative hemodynamic optimization. The main objective of volume expansion is to increase and to maximize stroke volume. Despite national and international recommendations, stroke volume monitoring is clearly not widely adopted. This is mostly due to the cost and the invasiveness of the devices allowing stroke volume monitoring. End tidal carbon dioxide is monitored in all patients undergoing general anaesthesia and is totally non-inva...

The Cyclocapnic Method for Measurement of Chemosensitivity

We aim to test our method for measuring chemosensitivity (the ventilatory response to a change in carbon dioxide), which uses sinusoidal carbon dioxide stimuli. Hypotheses: - Carbon dioxide sensitivity is dependent on the cycle time over which we administer the gas (frequency). - Chemoreflex gain decreases as deadspace increases.

Optimal Bowel Preparation Regimen in Patients With Colorectal Surgery

The study compares the efficacy of bowel cleansing between the standard preparation (2 L polyethylene glycol electrolyte solution, 2 L PEG-ELS), low-volume preparation (10 mg bisacodyl plus 2 L PEG-ELS) and high-volume preparation (4 L PEG-ELS) in patients with previous colorectal resection.

Carbon Dioxide Insufflation Colonoscopy in IBD Patients

Carbon dioxide insufflation during colonoscopy significantly reduces discomfort (pain, bloating and flatulence) after the procedure. So far, it has not been studied in inflammatory bowel disease patients. The study was designed to evaluate discomfort after the carbon dioxide insufflation colonoscopy in comparison to standard air insufflation colonoscopy.

The Long-Term Quitting (Smoking Cessation) Study

Relapse after a serious quit attempt occurs in 70-90% of smokers who try to quit smoking. This study utilizes a sequential, multiple assignment, randomized trial (SMART) design - - an innovative multi-phase approach - - to test post-relapse treatments designed to assist smokers to make a new, successful quit attempt. This study will test Relapse Recovery (RR) treatments that are applied at two stages following relapse: 1) RR Preparation Phase treatments for smokers who relapse ...

The Impact of Warmed Carbon Dioxide Insufflation During Colonoscopy on Polyp Detection

Colorectal cancer is the second most common cancer in the world and the second leading cause of cancer-related mortality. Colorectal cancers arise from precursor adenomatous polyps in a well characterized adenoma to carcinoma progression. The removal of such precursor lesions reduces colorectal cancer mortality between 30 to 50%. Colonoscopy is used for detection of neoplastic polyps but significant miss rates of such lesions are reported. Methods to reduce spasm of the colon...

The Impact of Additional Oral Preparation on the Quality of Bowel Preparation for Colonoscopy

Although adequate bowel preparation is essential for successful colonoscopy, the 23% of patients had shown inadequate bowel preparation. Inadequate bowel preparation may results in incomplete examination, increased patient's discomfort, decreased polyp detection rates, ultimately leading to repeated colonoscopies. One prior study showed that patients reporting their last rectal effluents as brown color or solid stool had a 54% chance of having fair or poor preparation. Thus, re...

Carbon Dioxide Insufflation on Cerebral Microemboli

The purpose of this study is to determine if blowing carbon dioxide into the surgical field during open-heart surgery to displace retained chest cavity air from the atmosphere will decrease the number of microembolic being introduced into the heart chambers and brain.

Prospective, Non-Randomized Evaluation of Carbon Dioxide Gas as a Contrast Agent in Comparison With Iodinated Contrast in Endovascular Aneurysm Repair

Endovascular repair of infrarenal abdominal aortic aneurysms (AAA) requires a contrast agent to identify the vascular anatomy and placement of the stent graft. Iodine contrast has traditionally been used, but has the potential to harm the kidneys. Another contrast agent is carbon dioxide gas. It has been proven safe to use, but the quality of the images it creates needs to be compared to iodine contrast. Patients in this study undergo the endovascular AAA repair as they nor...

Effect of Patient Position on Arterial, End-tidal and Transcutaneous Carbon Dioxide

Investigators evaluate the effect of patient position (Trendelenburg and reverse Trendelenburg) on arterial, end-tidal and transcutaneous carbon dioxide partial pressure in patients undergoing laparoscopic surgery.

Improvement of Colonoscopy Preparation by Using a SPA

This study evaluates the impact of a SPA on Quality of bowel preparation for colonoscopy. Half of the patients receive regular paper based information on colonoscopy preparation (control), while the other half will use an additional SPA for colonoscopy preparation (coloprAPP).

To Compare Predictive Power of End-tidal Carbon Dioxide Between Different Time Line During Resuscitation

To analyze a multi-center observational study database. to select adult non-traumatic in-hospital cardiac arrest. Review and recored end-tidal carbon dioxide in per minute. Arrange them in different time line. one is in resuscitation time. The other is the time line which the beginning time is the time of starting appearing stable end-tidal carbon dioxide wave.To compare predictive power of end-tidal carbon dioxide between different time line during resuscitation.

A Randomized Controlled Trial of Tailored Bowel Preparation Based on A Predictive Model

We aim to develop a predictive model to distinguish patients at risk for inadequate bowel preparation, and to compare adequate bowel preparation rate, adenoma detection rate and adverse events between tailored bowel preparation group and routine bowel preparation group.

Carbon Dioxide Versus Air Insufflation for the Application of Argon Plasma to Reduce the Gastrojejunal Anastomosis

The objective of this randomized clinical trial is to compare pain levels during and after insufflation with carbon dioxide or in subjects that will undergo endoscopic fulguration with argon to reduce the diameter of the gastrojejunal anastomosis. The investigators hypothesize that carbon dioxide will be superior in causing less pain and leading to less discomfort.

The Use of a Novel Smart Phone Application and the Quality of Bowel Preparation for Colonoscopy, a Randomized Controlled Trial

This is a randomized controlled trial designed to assess the efficacy of a novel smartphone application as an automated reminder tool in improving the quality of bowel preparation for patients undergoing outpatient colonoscopies. We will be comparing the smartphone application to traditional instructions for bowel preparation. The quality of bowel preparation will be assessed using the Ottawa and Aronchick bowel preparation scales.

Cholangiography Using Carbon Dioxide Versus Iodinated Contrast in ERCP

Carbon dioxide (CO2) gas is widely used for luminal insufflation during endoscopic retrograde cholangiopancreatography (ERCP) of the biliary tract. While frequently observed during routine ERCP, there are few data on the topic of "air" or "CO2" cholangiography. Our primary aim is to compare radiographic cholangiograms in patients with biliary tract disease (from stones or strictures) during ERCP obtained by using carbon dioxide as the contrast medium vs. conventional iodinated ...

Efficacy and Safety of Carbon Dioxide Insufflation During Endoscopy

The purpose of this study is to assess the differences of safety and efficacy of carbon dioxide insufflation instead of air during sedated or unsedated endoscopy.

Comparative Effectiveness of Split-Dose Colonoscopy Bowel Preparation Regimens

From the patients' perspective, the most formidable part of the colonoscopy experience is the process of bowel cleansing. A poorly tolerated bowel preparation regimen often leads to incompletion of scheduled colonoscopies which in turn undermines the effectiveness of colonoscopy, increases cost, and decreases patient satisfaction. The current standard bowel preparation in the VA is of larger volume and less palatable than another commonly used bowel preparation regimen. The inv...

A Pilot Evaluation of an Experimental BLI4600 Formulation for Bowel Preparation in Adult Patients Undergoing Colonoscopy

To evaluate the safety, tolerance and efficacy of BLI4600 in multiple dosing regimens as a bowel preparation prior to colonoscopy in adult patients.

Individualized Bowel Preparation for Colonoscopy

A randomized control trial comparing a standard bowel preparation for colonoscopy with an individualized bowel preparation strategy based on patient characteristics

Safety and Efficacy of CO2 for Endoscopy

Hypothesis: Carbon dioxide gas use for endoscopic insufflation is safe and results in less abdominal distension and discomfort; it is equally effective as air in pediatric patients undergoing endoscopic procedures. Aim 1: Determine the occurrence and severity of abdominal discomfort and distension associated with endoscopic procedures at baseline, upon awakening from anesthesia, at discharge and at 4 hours after discharge in carbon dioxide group when compared to ...

Efficacy of Different Densities of Fractional Carbon Dioxide in Treatment of Post Burn Scars

This study aims to compare effectiveness of different densities of carbon dioxide fractional laser in the treatment of postburn scar.

The Effects of An Addition of Water Enema to PEG for Colon Preparation

The purpose of this study is to compare the preparation quality by using Ottawa Bowel Preparation Scale between the standard PEG preparation and the addition of water enema in participants scheduled for CRC screening

Placebo Controlled Trial of a Titanium Dioxide Semiconductor Toothbrush on Mild-to-moderate Gum Disease

The effects on indices of gingivitis/periodontitis will differ between study arms in which the titanium dioxide semiconductor toothbrush is used, compared to an otherwise identical toothbrush with an inert resin core in place of the titanium dioxide semiconductor.

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