View clinical trials related to Respiratory Insufficiency.
Filter by:We propose to carry out a large multicentric, multinational, randomized controlled trial with two phases (two sequential randomized controled trials) to answer two questions: 1) Should hospitalized patients with recently diagnosed OHS be discharged from the hospital on an auto-titratable NIV treatment until the diagnosis of OHS is confirmed in 3 months? 2) Is the long-term effectiveness of outpatient titrated CPAP non-inferior to titrated NIV in ambulatory patients with OHS 3 months after hospital discharge? Clinical practice, multicenter open-label controlled randomized clinical trial with preset allocation rate (1:1) with two parallel-groups conducted in centers from Spain, France, Portugal and USA. The study will have two phases with two randomizations. The first phase will be a superiority study and the second phase will be a non-inferiority study.
The primary objective of this prospective, blinded observational study is to correlate assessment of sedation and respiratory status with capnography and pulse oximetry monitoring in hospitalized adult medical and trauma patients receiving patient-controlled analgesia (PCA) or nurse administered intravenous (IV) opioids for acute pain. Nursing assessment of respiratory status and sedation level will be correlated with capnography and pulse oximetry values as technology-supported monitoring to identify respiratory depression and opioid-induced sedation. The secondary objective is to identify capnography and pulse oximetry values that correlate with respiratory decompensation and opioid-induced sedation in medical and trauma patients on the general care floor.
Cesarean deliveries are the most commonly performed surgery in the United States and account for 32.9% of all births.8,9 The ASA recommends the use of neuraxial opioids of post-cesarean analgesia partly because respiratory depression in the obstetric population, as measured by intermittent respiratory rate and pulse oximetry, is reported to be low (0-1.2%).10,11 Respiratory depression lacks a standard definition,12 but the most sensitive means of detecting respiratory depression is hypercapnia.1,3 Two recent studies using continuous hypercapnia (>50mmHg PaCO2) monitoring demonstrated higher rates of respiratory depression (17.8-37%) in healthy, non-obese women receiving intrathecal opioids for post-cesarean analgesia.13,14 In addition, supplemental opioids are required in the majority of women receiving intrathecal morphine and may increase the risk of respiratory depression.11,14 Anesthesiologists debate whether neuraxial opioids or intravenous patient controlled opioid analgesia (PCA) are the safest practice for postoperative analgesia in obese parturients following cesarean delivery. The ASA recommendations to employ neuraxial analgesia post-cesarean delivery does not differentiate between non-obese and obese women who now make up 30.3% in US women of child-bearing age.2 Obesity has been described as a risk factor for respiratory depression in those receiving opioids via any route of opioid administration,11,15, 17 but whether obesity itself is the risk factor or associated co-morbidities such as sleep apnea is debated. Studies are conflicting whether intrathecal opioids or patient controlled intravenous opioids cause more respiratory depression. Several studies have documented the incidence of respiratory depression with IV PCA; the rates range from 0.19% to 5.2%, which are equivalent or higher than those reported for intrathecal opioids. (Hagle 16). Dalchow et al. demonstrated higher rates of hypercapnia in patients receiving intrathecal opioid compared with those receiving intravenous opioid via patient controlled analgesia in nonobese women following cesarean delivery. (Dalchow) The Topological Oscillation Search with Kinematical Analysis (TOSCA) monitor allows a noninvasive method to measure transcutaneous carbon dioxide levels, with relative accuracy compared to arterial carbon dioxide monitoring.4-7 No studies have examined transcutaneous carbon dioxide levels in obese women following cesarean delivery using any form of postoperative analgesia. The investigators propose a randomized controlled trial using continuous transcutaneous carbon dioxide monitoring to evaluate the degree of respiratory depression in obese women receiving neuraxial opioid compared to intravenous opioid via PCA for post-cesarean analgesia. Two studies have demonstrated high rates of hypercapnia in non-obese women following administration of intrathecal morphine for cesarean delivery in the postpartum period. (Dalchow, Bauchat) Dalchow et al. demonstrated higher rates of hypercapnia in women receiving intrathecal diamorphine than intravenous morphine delivered via patient controlled analgesia. It is unclear whether intrathecal morphine causes more or less respiratory depression than intravenous opioid delivered via patient-controlled analgesia in obese women. This study will add to the understanding of respiratory function in the immediate postpartum period in obese women using opioids via intrathecal or intravenous routes. This study will better inform guidelines for the postpartum analgesic route of choice in the obese obstetric population and allow the investigators to make recommendations for the detection and prevention of respiratory depression after opioid administration in the obstetric population. Objective is to examine the transcutaneous carbon dioxide levels in obese women using either intrathecal morphine or intravenous patient-controlled hydromorphone for post-cesarean analgesia. The hypothesis is carbon dioxide levels will be significantly higher in obese women receiving intrathecal morphine versus obese women receiving intravenous patient controlled intravenous hydromorphone.
Heparin is a blood thinner used to prevent blood clots in patients on a form of life-support called ECMO. Heparin can cause bleeding - the most common complication of ECMO. New materials used in ECMO machines may help prevent clots - this could allow the use of lower doses of heparin which might reduce the risk of bleeding. Our study will compare low dose to high dose heparin in patients on ECMO. We think low dose heparin may be adequate to prevent clotting, but may cause less bleeding and be safer for patients.
Chronically ventilated patients will be hemodynamically measured by bioimpedance (NiCAS by NI medical ltd.) for cardiac output, Total peripheral resistance and other NICAS derived parameters. Patients fluid balance will be planned according to these parameters and the rate of liberation from ventilator and rate of worsening renal function will be measured
Respiratory weaning failure worsens prognostic of patients following on-pump cardiac surgery. There are increasing evidences that pulmonary, diaphragmatic or cardiologic echographies are useful in order to improve this critical medical status. Based both on a previous study conducted in the critical care unit of Purpan and on literature we hypothesize that a combined thoracic echography score could be of interest. We make the hypothesis that the use of a score based on thoracic combined echography (ETC = cardiac, pulmonary and diaphragmatic) allows to predict the failure of respiratory weaning in cardiac surgery and allows to improve the characterization of the causes of this failure
Study of the effects of sonic pressure oscillations on pulmonary gas exchange with added dead space.
The purpose of this study is to determine the differences in oxygenation and decarboxylation between two weaning processes.
The purpose of this study has two major goals: 1) to measure the amount of two specific hormones interleukin (IL)-10 and interleukin (IL)-12p70 in mucous and blood; and 2) compare the hormone levels in two specific areas of the lung called the trachea (upper airway) and the bronchioles (lower airway). The hormones IL-10 and IL-12p70 are cytokines, special hormones cells use to communicate with each other during inflammation or infection. Cytokines can be measured in mucous and blood. The balance of one cytokine compared to another help doctors to understand how people respond differently to infection. Unfortunately, the amount of IL-10 and IL-12p70 is not known in children, especially children with a lung infection. In addition, we do not know if the balance of these cytokines differ in various regions of the lung. We believe the balance of IL-10 and IL-12p70 is similar whether measured in the upper or lower airways.
This is a randomized, double-blind, placebo controlled study of 30 patients. Patients who qualify, as per the inclusion criteria (RASS greater than -3, less then +1, CAM positive, present gastric access) will either be given 200mg of modafinil or an identical, indistinguishable placebo. The placebo and study drug will be distributed by the hospital pharmacy. Once enrolled, each patient will be reassessed every morning to determine appropriateness for drug administration. If the RASS is less than -3 (i.e. comatose) or greater then 0 modafinil will not be given. He/she will then be assessed each morning thereafter. Due to the stimulant-like actions of modafinil, the drug will be administered only in the morning. Patients will be assessed for delirium at least twice a day; trained personnel using the Confusion Assessment Method (CAM) will do the assessment. Qualification for a delirium free day will be no positive CAM screens for 24 hours following drug administration. Additional data such as days on mechanical ventilation and progression to tracheotomy will also be collected hypothesizing that patients who take modafinil will have a shorter time to extubation therefore avoiding the need for a tracheotomy. Post-discharge from the unit, but within 48 hours, patients will be asked to participate in a survey (The Richards-Campbell Sleep Questionnaire (RCSQ) assessing their perception of daytime and nighttime sleepiness in the intensive care unit as well as their overall perception of rest. Their functional capacity will also be evaluated at this time and compared to their pre-morbid baseline. The hypothesis tested is that Modafinil restores sleep cycle synchrony in the ICU therefore increasing delirium free days and improving ICU outcomes.