AzTrials
AzTrials

Breathing ExercisesECOPORTANCT03516344

Effect of Osteopathic Manipulations on Portal Venous Flow

A study testing Liver pumping and Spinal manipulation in people with Breathing Exercises and Manipulation, Osteopathic, run by Universidad Antonio de Nebrija at 1 site in Spain.

Completed

Finished. The study has ended and is not enrolling. Results may be posted on the official record.

Official record
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Trial summary

Since osteopathy it is considered that the alterations in the mobility of the different structures of the organism could cause a decrease in the blood circulation of the tissue causing a functional disorder and, with time, the appearance of a disease. Read more about this study

Who is it for?
Ages 18 to 40 years, women onlyHealthy volunteers can take part
What is being tested?
Liver pumping and Spinal manipulation
Type of treatment
Surgery or procedure
Could I receive a placebo?
No, everyone receives an active treatment
How many people
50 participants
Where
1 siteSpain
Study dates
1 Aug 2018to 30 Sep 2018
Phase
Interventional
Are there results?
None posted in the registry

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 to 40 years
  • Women only
  • Healthy volunteers accepted
  • Adult

Who may be able to join

  • Healthy women
  • No history of abdominal surgery or liver disease

Who cannot join

  • Fear or apprehension of techniques

Trial locations and contacts

1 site in 1 country.

Spain1 site
  • José Ríos-Diaz

    Madrid, 28036

Other trials in Spain

About this study

Official title: Effect of Osteopathic Manipulations on Portal Venous Flow: Randomized Clinical Trial

Since osteopathy it is considered that the alterations in the mobility of the different structures of the organism could cause a decrease in the blood circulation of the tissue causing a functional disorder and, with time, the appearance of a disease.

In visceral osteopathy, the treatment of liver dysfunctions it is important due to their interrelation with the functioning of the rest of the abdominal and pelvic viscera and, especially, through the hepatic portal system. However, there are few studies showing whether a manual therapeutic intervention can affect the mobility, function or vascularization of a viscera.

Read more

Ultrasonography is an appropriate tool for validating some of these intervention procedures given their safety, repeatability, autonomy and the low cost of the procedures and technical equipment which, in a non-invasive manner, will allow the effects of the different therapeutic interventions to be verified.

Hypothesis:

  1. Vertebral manipulations and pumping of the liver improve the flow of the portal vein in front of the diaphragmatic breathing and the contraction of the psoas iliac muscle.
  2. The accuracy of ultrasound to assess venous flow may be useful as an outcome measure.

Objectives: To describe the immediate changes of different manipulative interventions on portal vein flow in healthy women and to obtain baseline measurements for future research.

Sample description: Pilot randomized controlled clinical trial with a sample of 50 healthy adult women recruited intentionally sampled that will be pseudo-randomly forcing equality of groups: control, chest manipulation, liver manipulation, abdominal breathing and iliac psoas muscle contraction.

The minimum size required has been calculated using the program G*Power 3.1.3 for Windows (University Kiel, Germany, 2008) based on an effect size of 0.5, type I error of 5%,type II error of 10% and an effect size of f=0.45.

Read the detailed description

The non-invasive intervention procedure in each of the groups is as follows:

  1. Control group (CG): Subjects will remain at rest in supine position for one minute.
  2. Thoracic manipulation group (GMT): A semi-direct vertebral manipulation will be performed, type Dog Technique in extension, above level D8.
  3. Liver manipulation group (HMG): A supine hepatic pumping technique will be performed, performing simultaneous compression in the right hypochondrium and epigastrium, in the opposite direction, during the inspiratory phase, stopping during the expiratory phase and repeating the maneuver for five respiratory cycles.
  4. Abdominal breathing group (GRA): Subjects will be asked to perform five cycles of diaphragmatic breathing in the supine position.
  5. Psoas exercise group (GPS): In the supine position with a high density foam cushion under the feet of the subject, it will be asked to make a push in the caudal direction, against the cushion, alternating between both feet with the knees stretched, for one minute.

After informed consent and recording of personal data, participants will be placed in a constant and regulated temperature room where they will be placed in supine position for 5 minutes for cardiocirculatory normalization, at least 2 hours after the last meal. The room where the explorations will be carried out is conditioned to keep the ambient temperature constant.

The study will be carried out with independent recruitment and triple blinding: the patient will not know the intervention group, the sonographer will not know the technique applied to the patients, the researcher responsible for recording the flows and diameters and the temperature will also be masked and the data analyst will be masked during the statistical analysis process.

For statistical analysis, a descriptive analysis using means and standard deviations will be performed, as well as ranges and quartiles for quantitative measurements. Qualitative variables shall be summarised by counts and frequencies. The assumption of normality (Shapiro-Wilks test) and equality of variances (Levene's test) prior to the analysis of variance (ANOVA) will be checked for repeated measurements in which the intra-unit factors (three time measurements) will be the dependent variables (velocity, diameter and temperature) and the inter-subject factor, the study group. If it is not possible to assume the application assumptions, the corresponding non-parametric tests will be chosen. Pair comparisons were made with the Dunn-Bonferroni correction for type I erro and the age and BMI variables were entered into the model as covariates to estimate their possible effect on the dependent variables. The percentages of change from the baseline values in the intra-group comparison and from the control group in the intergroup comparison shall be calculated. The effect size will be estimated with the Hedges g statistic.

The significance level will be set to p<0.05 and calculations will be performed with SPSS 19.0

Being tested
Liver pumping and Spinal manipulation
Keywords
Breathing Exercises, Manipulation, Osteopathic, Quantitative Ultrasonography, Therapy, Soft Tissue, Portal Vein, Venous flow

What participants receive

What participants receive. In a randomised study each person is assigned to one group by chance.

  • Liver pumping and Spinal manipulationProcedure or surgery

    Also called Vertebral manipulation, Soft tissues mobilization

    Interventions are described in group descriptions

Study groups in NCT03516344
Study groupRoleWhat they receive
ControlNo interventionSubjects will remain at rest in supine position for one minute.
Iliac psoas muscleExperimentalIn supine position with a high-density foam cushion under the subject's feet, they will be asked to make a push in the caudal direction, against the cushion, alternating between both feet with their knees stretched out, for one minute
Receives: Procedure: Liver pumping and Spinal manipulation
Diaphragmatic BreathingExperimentalSubjects perform five cycles of diaphragmatic breathing in the supine position.
Receives: Procedure: Liver pumping and Spinal manipulation
Liver pumpingExperimentalA technique of hepatic supine pumping is performed by simultaneous compression in the right hypochondrium and epigastrium, in the opposite direction, during the inspiratory phase, stopping during the expiratory phase and repeating the maneuver for five respiratory cycles.
Receives: Procedure: Liver pumping and Spinal manipulation
Spinal manipulationExperimentalA semi-direct vertebral manipulation, type Dog Technique in extension, will be performed on level D8
Receives: Procedure: Liver pumping and Spinal manipulation

What is being measured

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

  1. Flow velocity of the portal vein

    In cm/s, FV is obtained from ultrasound scans (General Electric LogiqE ultrasound scanner model with the 4C-RS convex probe with a working frequency of 2-5 MHz.).

    All image optimization parameters remained constant for all patients and scans. The records will be made by a researcher with 15 years of ultrasound experience.

    Measured: Pre-intervention, immediately post-intervention and 5-minutes-post-intervention

  2. Diameter of the portal vein

    In mm, DIA is obtained from ultrasound scans (General Electric LogiqE ultrasound scanner model with the 4C-RS convex probe with a working frequency of 2-5 MHz.).

    All image optimization parameters remained constant for all patients and scans. The records will be made by a researcher with 15 years of ultrasound experience.

    Measured: Pre-intervention, immediately post-intervention and 5-minutes-post-intervention

Secondary outcomes (1)
  1. Temperature of D7-D8 dermatome

    The temperature of the dermatome D7-D8, in relation metameric to the liver, is recorded at the xiphoid process level with an infrared thermometer (ºC)

    Measured: Pre-intervention, immediately post-intervention and 5-minutes-post-intervention

Timeline

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

  1. First posted4 May 2018
  2. Study start1 Aug 2018
  3. Primary completion30 Sep 2018
  4. Study completion30 Sep 2018

Resources

More details

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

Study design
Study type
Interventional
Phase
Phase N/A
Primary purpose
Treatment
Allocation
Randomised
Intervention model
Parallel groups
Masking
Quadruple blind
Who is masked
Participant, Care provider, Investigator, Outcomes assessor
Enrolment
50 participants (actual)
IDs, dates and publications
ClinicalTrials.gov ID
NCT03516344
Sponsor's protocol ID
Eco_Porta
Acronym
ECOPORTA
Status last verified
Oct 2018
First submitted
23 Mar 2018
Last updated
10 Oct 2018
Results posted
No
Data monitoring committee
No
FDA-regulated drug
No
FDA-regulated device
No

Publications

  • Allan PL, Ph.D WNM, Pozniak MA, Dubbins PA. Ecografía doppler clínica. Elsevier España; 2008.

  • Allan PLP, Baxter GM, Weston M. Clinical Ultrasound. 3rd ed. Philadelphia: Churchill Livingstone Elsevier, 2011

  • Baert AL, Brady LW, Heilmann HP, Molls M, Sartor K. Duplex and color doppler imaging of the venous system. Springer; 2014.

  • Harris W, Wagnon RJ. The effects of chiropractic adjustments on distal skin temperature. J Manipulative Physiol Ther. 1987 Apr;10(2):57-60.

    PubMed 3585197
  • Hebgen E. Osteopatía Visceral. Fundamentos y técnicas. 2ª edición ed. Madrid: McGraw-Hill. Interamericana; 2005

  • Korr IM. Bases fisiologicas de la osteopatía. 1ª ed.: Mandala; 2004

  • Martínez-Payá JJ, de-Groot-Ferrando A, Ríos-Díaz J, del-Baño-Aledo ME. Sonoanatomy of the musculoskeletal system. En: Valera F, Minaya F, editores. Advanced Techniques in Musculoskeletal Medicine & Physiotherapy. Edinburgh: Churchill Livingstone; 2016. p.147-70.

  • Resende C, Lessa A, Goldenberg RCS. Ultrasonic Imaging in Liver Disease: From Bench to Bedside. Rijeka, Croatia: INTECH Open Access Publisher; 2011.p.127-56.

  • Ricard F. Tratado de osteopatía visceral y medicina interna. Tomo 2: Sistema digestivo. 1ª edición ed. Madrid: Editorial Médica Panamericana; 2008

  • Welch A, Boone R. Sympathetic and parasympathetic responses to specific diversified adjustments to chiropractic vertebral subluxations of the cervical and thoracic spine. J Chiropr Med. 2008 Sep;7(3):86-93. doi: 10.1016/j.jcm.2008.04.001.

    PubMed 19646369

Questions about this trial

What is this clinical trial studying?

A study testing Liver pumping and Spinal manipulation in people with Breathing Exercises and Manipulation, Osteopathic, run by Universidad Antonio de Nebrija at 1 site in Spain.

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 2 inclusion and 1 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: finished, as of the sponsor's last update on 10 Oct 2018. 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 Spain. 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?

The study is completed, but results are not available in the source record. That does not mean the treatment did or did not work.

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

The record lists no contact. The official record names the sponsor, who can be asked directly. AzTrials does not enrol participants or take referrals.

What does the primary outcome measure?

Flow velocity of the portal vein (time frame: Pre-intervention, immediately post-intervention and 5-minutes-post-intervention). The study lists 2 primary outcomes in all. 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 NCT03516344, which also lists 10 linked publications.

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 10 Oct 2018.

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