- ICH GCP
- US-Register für klinische Studien
- Klinische Studie NCT02855671
Infrared Imaging in Septic Illness
The Application of Infrared Thermal Imaging in the Diagnosis and Prognostication of Septic Illness in Adults
The application of infrared thermal imaging in the diagnosis and prognostication of septic illness in adults.
During times of severe infection (sepsis), the small blood vessels supplying oxygen and nutrients to the skin and other organs (called the microcirculation), become abnormal and do not function as they normally would in health. Monitoring these small blood vessels is difficult to do clinically and the investigators want to investigate a new way of doing this.
The aim of this study is to validate a novel method of assessing the function of the microcirculation in healthy volunteers and patients with sepsis, by measuring the skin temperature profile of the leg and face with a thermal imaging camera. Thermal imaging cameras measure the heat given off by all objects and represents this as a picture, with colour used to represent the different temperatures.
Patients will be recruited from the Emergency Department and Intensive Care Units at University Hospitals of Leicester in to one of two groups based on their illness severity; uncomplicated sepsis and severe sepsis. Healthy volunteers will be recruited in to a third group. Recruitment will take place over a 6-month period with follow-up lasting for 12-months following recruitment. 105 participants will be recruited in total.
Temperature patterns seen on the face and leg will be investigated between the different groups. Changes in these temperature patterns as patients recover from sepsis (or indeed become worse), will also be investigated. Information from the thermal images will be correlated to routinely measured markers of infection, including clinical measurements (blood pressure, pulse, etc) and routine blood investigations.
Studienübersicht
Studientyp
Einschreibung (Tatsächlich)
Kontakte und Standorte
Studienorte
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Leicestershire
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Leicester, Leicestershire, Vereinigtes Königreich, LE1 5WW
- University Hospitals of Leicester
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Teilnahmekriterien
Zulassungskriterien
Studienberechtigtes Alter
Akzeptiert gesunde Freiwillige
Studienberechtigte Geschlechter
Probenahmeverfahren
Studienpopulation
Beschreibung
Inclusion Criteria:
- Male or Female, aged 18 years or above.
- Healthy volunteers - free from acute illness; will include staff and students at the University of Leicester and UHL, and patient relatives.
- Patient with septic illness will be recruited in to one of two groups depending on their disease severity - Sepsis (without evidence of organ dysfunction) or severe sepsis (with organ dysfunction).
- Able (in the Investigators opinion) and willing to comply with all study requirements.
Exclusion Criteria:
- Patient refusal
- Inability to gain appropriate assent/consent
- Children
- Prisoners or in police custody
- Skin marking likely to preclude image analysis (such as extensive tattoos).
Studienplan
Wie ist die Studie aufgebaut?
Designdetails
- Beobachtungsmodelle: Kohorte
- Zeitperspektiven: Interessent
Kohorten und Interventionen
Gruppe / Kohorte |
Intervention / Behandlung |
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Gesunde Freiwillige
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Patients in all groups will undergo infrared thermal imaging of the face and anterior leg (centered on the knee)
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Sepsis
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Patients in all groups will undergo infrared thermal imaging of the face and anterior leg (centered on the knee)
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Severe sepsis/septic shock
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Patients in all groups will undergo infrared thermal imaging of the face and anterior leg (centered on the knee)
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Was misst die Studie?
Primäre Ergebnismessungen
Ergebnis Maßnahme |
Maßnahmenbeschreibung |
Zeitfenster |
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Measure the extent of thermally apparent mottling of the anterior knee using a previously described mottling score.
Zeitfenster: 18 months
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Measure the extent of mottling (graded from 1 to 5) using the mottling score described by Ait-Oufella et al.
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18 months
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Measure core-peripheral temperature difference by means of a facial thermal image (Thermal Core-Peripheral Temperature Difference - TCPTD).
Zeitfenster: 18 months
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Thermal core-peripheral temperature difference (TCPTD) will be assessed using temperature at the medial canthus (core) and nasal (peripheral) in degrees centigrade.
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18 months
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Sekundäre Ergebnismessungen
Ergebnis Maßnahme |
Maßnahmenbeschreibung |
Zeitfenster |
---|---|---|
Association between the severity of thermally derived mottling score and the Sequential Organ Failure Assessment (SOFA) score.
Zeitfenster: 18 months
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Association between mottling score (graded 1-5) and illness severity as determined by the SOFA score (0-24).
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18 months
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Association between the severity of thermally derived mottling score and the APACHE II score.
Zeitfenster: 18 months
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Association between mottling score (1-5) and illness severity as determined by the APACHE II score (0-71).
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18 months
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Association between the extent of Thermal Core Peripheral Temperature Difference (TCPTD) and the SOFA score.
Zeitfenster: 18 months
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Associations between TCPTD (degrees centigrade) and illness severity as determined by the SOFA score (0-24).
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18 months
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Association between the extent of Thermal Core Peripheral Temperature Difference (TCPTD) and the APACHE II score.
Zeitfenster: 18 months
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Associations between TCPTD (degrees centigrade) and illness severity as determined by the APACHE II score (0-71).
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18 months
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Mortality at 30 days and 1 year from the point of enrollment.
Zeitfenster: 18 months
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Mortality information will be collected at 30 days and 1 year from the point of patient enrollment (0-6 months) and correlated to the thermally derived mottling score and thermal core-peripheral temperature difference to assess for potential prognostic value of the above investigations.
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18 months
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Mitarbeiter und Ermittler
Sponsor
Ermittler
- Hauptermittler: Jonathan Thompson, MB ChB, BSc, MD, University Hospitals, Leicester
Studienaufzeichnungsdaten
Haupttermine studieren
Studienbeginn
Primärer Abschluss (Tatsächlich)
Studienabschluss (Tatsächlich)
Studienanmeldedaten
Zuerst eingereicht
Zuerst eingereicht, das die QC-Kriterien erfüllt hat
Zuerst gepostet (Schätzen)
Studienaufzeichnungsaktualisierungen
Letztes Update gepostet (Tatsächlich)
Letztes eingereichtes Update, das die QC-Kriterien erfüllt
Zuletzt verifiziert
Mehr Informationen
Begriffe im Zusammenhang mit dieser Studie
Schlüsselwörter
Andere Studien-ID-Nummern
- UHL 11486
Arzneimittel- und Geräteinformationen, Studienunterlagen
Studiert ein von der US-amerikanischen FDA reguliertes Arzneimittelprodukt
Studiert ein von der US-amerikanischen FDA reguliertes Geräteprodukt
Produkt, das in den USA hergestellt und aus den USA exportiert wird
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Klinische Studien zur Sepsis
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Ohio State UniversityAbgeschlossenSepsis, schwere Sepsis und septischer SchockVereinigte Staaten
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