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Shock SepticSHOCK PLETHNCT06786364

Types of Photoplethysmographic Waves in Adult Patients with Septic Shock

An observational study of Shock Septic and Photoplethysmography, run by Hospital General de México Dr. Eduardo Liceaga at 1 site in Mexico.

Recruiting

Looking for participants now. Contact the study team or a site below to ask about taking part.

Sites and contacts
Official record
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Trial summary

The objective of this study is to identify the types of Photoplethysmographic waves present in adults with septic shock and determine whether these waves correlate with other variables of tissue hypoperfusion such as capillary refil, serum lactate and mottling score. Read more about this study

Who is it for?
Ages 18 years and older
Conditions the study is for
Shock Septic, Photoplethysmography, Waveform
How many people
116 participants
Where
1 siteMexico
Study dates
1 Nov 2024to 30 May 2025
How long will I take part?
1 Day
Phase
Observational
Are there results?
Not yet: the study is under way

Key requirements

Who can take part, as listed by the sponsor. Only the study team can confirm whether you are eligible, so take this list to your doctor.

  • Ages 18 years and older
  • All sexes
  • No healthy volunteers
  • Adult, Older adult

Study population: All adult patients admitted to the emergency department at "Hospital General de México Dr. Eduardo Liceaga" and meet the criteria for septic shock established in Sepsis 3.0 and have signed the informed consentment will be included in the study.

Who may be able to join

  • Adult patients of 18 years of age and above dignossed with septic shock according to the definition stated in Sepsis 3.0
  • Patients with axillary temperature above 36°C
  • Patients and/or family that agree to participate in such study and sign the informed consentment
  • Patients that tolerate supine position

Who cannot join

  • Patients with Cardiogenic shock, hipovolemic, obstructive and distributive (neurogenic, anafilactic) shock the exception being septic shock
  • Patients with history of any type of cardiac arrhythmia
  • Patients with history of chronic hepatic disease
  • Patients with limited or diffuse systemic sclerosis
  • Patients that have scarring, nail polish or thickened nails that may impede the proper placement and accurate measurement of photoplethysmography with the pulse oximeter
  • Patients with history of heart insufficiency P- atients with septic shock that already have vasopressor aggents

Trial locations and contacts

1 site in 1 country. Contact the study team or a site near you to ask about taking part.

Juan Fernando Bautista Garcia, MD contact

5573855591

jbtagarcia@gmail.com

Mexico1 site, 1 recruiting
  • Hospital General de México Dr. Eduardo Liceaga

    Mexico City, Cuauhtemoc, 06726

    Hospital General de México Dr. Eduardo Liceaga Hospital General de México Dr. Eduardo Liceaga, Hospital, 5527892000 ext. 1316, direccionhgmliceaga@gmail.com

    Recruiting

Other trials in Mexico

About this study

The objective of this study is to identify the types of Photoplethysmographic waves present in adults with septic shock and determine whether these waves correlate with other variables of tissue hypoperfusion such as capillary refil, serum lactate and mottling score.

Read the detailed description

Photoplethysmography is the technology used in pulse oximeters in order to calculate arterial oxygen saturation and pulse rate, this technology generates a wave whose morphology has been related to blood flow and arterial tone. Recently Tusman and collaborators described a morphological classification of the photoplethysmografic wave that has a high correlation with arterial tone, such classification is divided in 6 types; Types I and II indicate vasoconstriction, Type III normal arterial tone and Types IV, V and VI describe mild, medium and severe vasodilation respectively, therefore it could be used to identify the arterial tone in those patients with septic shock. This study will identify the type of photoplethysmographic waves that are present in adults with septic shock based in the Tusman and collaborators classification, it will also describe the frequency of appearance and their correlation with other hemodynamic variables such as capillary refill, serum lactate, mottling score, heart rate, mean arterial pressure, pulse pressure and perfusion index.

Keywords
shock septic, waveform, vasodilation, Photoplethysmography, arterial tone
Medical subject headings
Shock, Septic, Aneurysm

What is being measured

The primary outcome is the main question the study is designed to answer.

  1. Photoplethysmography wave types in adult patiens with septic shock

    The type of Photoplethysmography wave obtained and digitized through the sensor of a conventional pulse oximeter without autoscale. The wave will be classified in type I, II, III, IV, V and VI according to the criteria proposed by Tusman and collaborators

    Measured: After the inclusion of the patient.

Secondary outcomes (6)
  1. Capillary refill

    Mesurement of the time it takes for the ventral surface of the fingers to return to its normal color after being compressed by a transparent microscope slide for 10 seconds. Measured in seconds.

    Measured: After the inclusion of the patient

  2. Mottling score

    Classification regarding the type of mottling surrounding the knee in each patient. The classification is as folllows 0= no mottling, 1= Mottling the size of a coin on the knee, 2= mottling extending just over the superior part of the knee, 3= Mottling covering up to half the thigh, 4= mottling continues to the inguinal fold, 5= severe mottling extending beyond the inguinal area.

    Measured: After the inclusion of the patient

  3. Serum lactate levels

    Mesurement of serum lactate through venous blood gass analysis at hospital admittanace. Mesured in mmol/L

    Measured: After the inclusion of the patient

  4. Heart rate

    Determination of the number of heart beats per minute in patients obtenined with telemetry. Messured in beats per minute

    Measured: After the inclusion of the patient

  5. Sistolic and diastolic blood pressure

    Messurement of arterial blood pressure with an adult sized aneroid sphygmomanometer. Messurement in mmHg.

    Measured: After the inclusion of the patient

  6. Perfussion index

    Messurement of the perfusion index obtained and calculated by a sensor in a conventional pulse oximeter without autoscale. Measurement in whole numbers.

    Measured: After the inclusion of the patien

Timeline

From the start of the study to its completion; the mark is today. Estimated dates are the sponsor’s plan.

  1. First posted22 Jan 2025
  2. Study start1 Nov 2024
  3. Primary completion1 May 2025 (estimated)
  4. Study completion30 May 2025 (estimated)

Resources

More details

For doctors and researchers: how the study is designed, who runs it, and its registry IDs.

Study design
Study type
Observational
Observational model
Other
Time perspective
Prospective
Enrolment
116 participants (estimated)
Target duration
1 Day
IDs, dates and publications
ClinicalTrials.gov ID
NCT06786364
Sponsor's protocol ID
DI/24/401/03/33
Acronym
SHOCK PLETH
Status last verified
Jan 2025
First submitted
15 Jan 2025
Last updated
22 Jan 2025
Results posted
No
Data monitoring committee
Yes
FDA-regulated drug
No
FDA-regulated device
No
Individual data sharing
No

Publications

  • Tusman G, Acosta CM, Pulletz S, Bohm SH, Scandurra A, Arca JM, Madorno M, Sipmann FS. Photoplethysmographic characterization of vascular tone mediated changes in arterial pressure: an observational study. J Clin Monit Comput. 2019 Oct;33(5):815-824. doi: 10.1007/s10877-018-0235-z. Epub 2018 Dec 15.

    PubMed 30554338

Questions about this trial

What is this clinical trial studying?

An observational study of Shock Septic and Photoplethysmography, run by Hospital General de México Dr. Eduardo Liceaga at 1 site in Mexico.

The full registered description is in the About this study section and the official record.

Who may be eligible to take part?

The sponsor lists 4 inclusion and 6 exclusion criteria. Eligibility is decided by the study team after screening, so read the full criteria and contact a listed site.

Is this clinical trial currently recruiting?

The record says: looking for participants now, as of the sponsor's last update on 22 Jan 2025. Status can change between updates, so confirm with the study contact before making plans.

Where is the study taking place?

The record lists 1 site in Mexico. Whether a site is taking part right now should be confirmed with that site. See every site.

What are the possible benefits and risks?

They depend on the study and the treatment, and no study can promise a benefit. The study team explains the known risks during informed consent, before anyone joins; the record itself does not list them.

Are results available for this study?

This study is still under way. Results are not available in the source record yet.

How can a doctor refer a patient or contact the research team?

Contact Juan Fernando Bautista Garcia, MD (5573855591, jbtagarcia@gmail.com), or a site near the patient. AzTrials does not enrol participants or take referrals.

What does the primary outcome measure?

Photoplethysmography wave types in adult patiens with septic shock (time frame: After the inclusion of the patient.). It is what the study was designed to measure, not a finding.

Where can I read the original study information?

On the ClinicalTrials.gov record for NCT06786364, which also lists 1 linked publication.

Does a listing mean the treatment is approved or proven to work?

No. A listing means the study is registered. It does not show that the treatment is safe, works, or is approved by a regulator.

How often is this information updated?

AzTrials copies changed records from ClinicalTrials.gov every night and reloads the whole registry every week. The sponsor last updated this record on 22 Jan 2025.

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