Active clinical trials for "Dehydration"

Previous studies have indicated increased vasopressin due to hypertonic saline infusion impairs glucose regulation. The current study will examine the effect of low water intake on glucose regulation. No currently published study has investigated the acute effect of low water intake on glucose regulation using continuous glucose monitoring over the course of a full day. The aim of the study is to observe the effect of low water intake on glucose regulation in low drinkers. The study will study the glycemic responses to standardized meals in adults during an 11-hour period in two conditions: a) high water intake and b) low water intake. It is hypothesized that the area under the glucose curve will be greater in the low water intake trial as compared to the high water intake trial

This is a descriptive mixed method pilot study to determine the feasibility of a tailored nurse-delivered telephone intervention designed to impact mucositis symptom severity and prevent dehydration in lung and head/neck cancer patients undergoing chemoradiation, therefore reducing overall symptom severity and improving quality of life. Secondary purposes for this study are to investigate if the nursing intervention can decrease lung and head/neck cancer patients' unscheduled medical visits between chemoradiation treatments.

Major non-cardiac surgery has a high degree of morbidity and mortality. Recently, measurement of a patient's preoperative cardiorespiratory reserve, performed non-invasively by cardiopulmonary exercise testing, has been shown to be predictive of outcome following non-cardiac surgery. All patients prior to major surgery are starved for a minimum of 6 hours and often longer prior to major elective surgery. It has been shown that elite athletes who are hypohydrated have reduced exercise capacity and lower cardiorespiratory function. These results are further exaggerated in "non-trained" individuals. Therefore, the starvation policy prior to surgery may have a deleterious effect on outcome after surgery. 4.2 AIMS This is a pilot study of health volunteers to assess the role of carbohydrate (CHO) (preload) and carbohydrate-protein (CHO-P) (Highfive energy source 1 in 4) in improving aerobic capacity after a period of fasting mimicking the current starvation policy prior to surgery. Both of these have similar calorific value and only differ in the amount of carbohydrate and protein supplementation.

This clinical trial is intended to evaluate the efficacy and safety of the administration of ondansetron in children with mild-moderate dehydration. The target population will be children between 4 and 13 years old who present vomiting.

The investigators previously found that a blood urea nitrogen/creatinine (BUN/Cr) ratio >15 is an independent predictor of early deterioration after acute ischemic stroke. Another study was conducted to determine whether urine specific gravity, another indicator of hydration status and one more easily obtained, is also an independent predictor of early deterioration or stroke-in-evolution (SIE) in such patients. The investigators also conducted a preliminary study, enrolling ischemic stroke patients with a BUN/Cr ratio >15 and find daily Bun/Cr based hydration help to decrease post stroke infection rate and improve 3 months functional outcome. In this study, daily urine specific gravity will be used to adjust hydration therapy in ischemic stroke patients with initial Bun/Cr ratio <15. The primary outcome is the post stroke infection rate in the first 7 days after admission, and secondary outcome is 3 months functional outcome using mRS.

The purpose of the present study is to investigate the effect of different rate of fluid consumption on post-exercise rehydration.

During exercise in the heat, there is a need to replenish fluids in order to avoid dehydration and decrease the risk for heat illness. What drives this urge to drink is the thirst mechanism. Following ingestion of fluids, there is an inhibition of thirst before there is a replenishing of fluids. However, there is little scientific evidence of where thirst is inhibited, if this thirst inhibition is augmented by exercise and how thirst itself influence exercise performance. Further, during rehydration studies, it is very difficult to successfully blind a subject to their drinking/hydration protocol. Previous studies that have blinded a subject to their drinking have used various methods such as intravenous fluid administration and/or nasogastric tubes. Therefore, the purpose of this research is to examine the mechanistic roles thirst inhibition plays while exercising in the heat while undergoing intravenous fluid administration. Specific attention will be directed to the cardiovascular and thermoregulatory function of the individuals. All blood, cardiovascular, thermoregulatory, and perceptual measures are shown in the diagram below.

The purpose of this randomized, control study is to compare liberal vs strict nil per os (NPO) policies on patients undergoing transcatheter aortic valve replacement (TAVR) or arrhythmia ablation. The primary objective of this study is to determine if allowing clear liquids up to 2 hours prior to elective TAVR or elective arrhythmia ablation procedure improves patient satisfaction.

A pediatric study in collaboration with Boston Children's Hospital to review the performance of two novel hydration status measurement devices against standard clinical assessment methods, through repeated measurement of hydration status of dehydrated children admitted to the emergency department receiving rehydration therapy, followed by an at-home follow-up measurement once symptoms have resolved.

There is no definite tool for measurement of dehydration in children Subjective clinical dehydration scale is considered as valuable scoring system, but it cannot be reliable among clinicians sometimes. Some authors found Inferior vena cava/Aorta ratio can be a objective marker for dehydration However, there is no evidence of correlation between clinical dehydration scale and inferior vena cava/aorta ratio We will observe correlation between clinical dehydration scale and inferior vena cava/aorta ratio and change of the ratio according to hydration with intravenous normal saline infusion.