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Ventilatory Depression clinical trials

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NCT ID: NCT03458143 Recruiting - Oocyte Retrieval Clinical Trials

Respiratory Depression During an Analgosedation Combining Remifentanil and Ketamine in TCI for Oocyte Retrieval

Start date: February 12, 2018
Phase: N/A
Study type: Observational

This study evaluates the effect of the addition of ketamine to a conscious sedation protocol including remifentanil during oocyte retrieval. The investigators will have 2 groups with different target effect site concentrations, namely 150 ng/ml and 200 ng/ml.

NCT ID: NCT03374644 Not yet recruiting - Clinical trials for Ventilatory Depression

Correlation of ETCO2 to PaCO2 Measured by Sentri Nasal Cannula

Start date: January 15, 2018
Phase: N/A
Study type: Interventional

Sampling end tidal gas via nasal prong has been shown to be a noninvasive and reliable method of monitoring end-tidal CO2 in spontaneously breathing patients. It is used to assess the adequacy of ventilation and enhance patient safety. When using a nasal cannula to sample expired gases by a patient, air from the room may dilute the sample and affect the accuracy of ETCO2. It is necessary to have accurate values of ETCO2 during intravenous sedation to detect respiratory depression including apnea. Therefore, the aim of our study is to assess the correlation of end tidal carbon dioxide to arterial partial pressure of carbon dioxide by using Sentri nasal cannula among sedated and non-sedated patient undergoing cataract surgery under local anaesthesia. Patients who are classified as ASA physical status 1 to 3 with age more than 18 years' old, and are scheduled for elective eye surgery in which arterial blood pressure monitoring is appropriate will be eligible. This study will be conducted at University Malaya Medical Centre.

NCT ID: NCT02760927 Terminated - Respiratory Failure Clinical Trials

Assessment of a Oral Endotracheal Tube Fastener on Patients Intubated With Oral Endotracheal Tubes

Start date: March 2016
Phase: N/A
Study type: Interventional

Assessment of AnchorFast Guard Oral Endotracheal Tube Fastener on Patients Intubated with Oral Endotracheal Tubes with Subglottic Suction

NCT ID: NCT01123486 Withdrawn - Pain Clinical Trials

Hydromorphone Pharmacokinetic-Pharmacodynamic Fingerprint

Start date: January 2015
Phase: N/A
Study type: Interventional

The primary objective of the proposed work is development of a high resolution pharmacokinetic-pharmacodynamic (PK-PD) model of hydromorphone for experimental pain stimuli, ventilatory depression, and surrogate biomarkers of opioid effect that will allow the fingerprinting of hydromorphone. This fingerprint will serve as the basis for the development of dosing strategies that efficiently maximize analgesia while minimizing ventilatory depression and sedation. For example, this high-resolution fingerprint will allow precise estimation of an initial hydromorphone target effect site concentration (Ce) from those of effectively administered synthetic opioids with previously determined high-resolution fingerprints (i.e., remifentanil or fentanyl), thereby minimizing underdosing of hydromorphone for analgesia and minimizing side effects.