Effectiveness of Respiratory Muscle Training by Spirotiger in Chronic Patients

The safety and scientific validity of this study is the responsibility of the study sponsor and investigators. Listing a study does not mean it has been evaluated by the U.S. Federal Government. Read our disclaimer for details. Identifier: NCT01556139
Recruitment Status : Unknown
Verified July 2015 by Mara Paneroni, Fondazione Salvatore Maugeri.
Recruitment status was:  Active, not recruiting
First Posted : March 16, 2012
Last Update Posted : July 8, 2015
Information provided by (Responsible Party):
Mara Paneroni, Fondazione Salvatore Maugeri

Brief Summary:

The reduction in effort tolerance as result of a decreased efficiency in ventilation is common both in patients affected by COPD (McKenzie) and chronic heart failure (CHF) (Ribeiro, Frankenstein). One of the most common cause is the reduced respiratory muscle strength and endurance. Some studies have evaluated the effect of a specific training on the muscular strength both in pulmonary (Battaglia, Powell) and cardiac patients (Winkelmann, Chiappa). Moreover, only few studies investigated a specific training for such patients (Koppers, Sherer) because of the complicated equipment needed to prevent hypocapnia. Up to date, portable and economic systems for isocapnic hyperpnea have been developed for respiratory muscle training.

Primary aim of the study was to evaluate the effectiveness of the respiratory muscle training -by the technique of the isocapnic hyperpnea- on the effort tolerance and endurance in patients with COPD and CHF

Secondary aims were: quantify the number of patients with deficit of respiratory muscles endurance and verify different response of training between COPD and CHF patients

Condition or disease Intervention/treatment Phase
Chronic Obstructive Pulmonary Disease Congestive Heart Failure Device: Spirotiger Not Applicable

Detailed Description:

All consecutive stable patients with diagnosis of COPD or CHF and normal MMSE, admitted in Foundation S. Maugeri in Lumezzane (Brescia, Italy) for routinary rehabilitation at Respiratory and Cardiac Rehabilitative Divisions are enrolled.

All patients who met the inclusion criteria (see above)are informed about the aim of the project, sign an informed consent and are enrolled in the study.

40 patients are enrolled. They are divided in two groups of 20 each (10 cardiac and 10 respiratory patients) named:

  1. Spirotiger Group: these patients perform 20 sessions of usual training (cyclette and calisthenic exercises) and specific training (further 20 sessions) for respiratory muscles with SPIROTIGER
  2. Control Group: these patients perform 20 sessions of usual training (cyclette and calisthenic exercises) and additional 20 sessions with a placebo device (Threshold)

Study Type : Interventional  (Clinical Trial)
Estimated Enrollment : 40 participants
Allocation: Randomized
Intervention Model: Single Group Assignment
Masking: Single (Participant)
Primary Purpose: Treatment
Official Title: Evaluation of the Effectiveness of Respiratory Muscle Training by the Technique of Hypocapnia Hyperpnea (Spirotiger) in COPD and CHF Patients
Study Start Date : June 2011
Estimated Primary Completion Date : November 2015
Estimated Study Completion Date : February 2016

Arm Intervention/treatment
Experimental: Spirotiger
Patients belonging to this group perform 20 sessions of usual training (cyclette and calisthenic exercises) and additional 20 sessions of a specific training for respiratory muscles with Spirotiger
Device: Spirotiger

The Training group perform 20 sessions of a specific training with Spirotiger, a device allowing respiratory muscle training with isocapnic hyperpnea.

The setting is the following:

  • volume/size of the breathing bag: 50% of the vital capacity (VC) and ventilation (VE= Tidal volume x respiratory rate) at 66% of the MVV aiming to reach 15 minutes of training without breaks. During the initial sessions, the patient can interrupt training every 5 minutes and recover.
  • increase in training: after 15 minutes of exercise VE is increased up to 75% of the MVV through modification of the volume of breathing bag or respiratory rate.

At the end of 15 minutes of exercise, further increases in ventilation are 10% of each previous step.

No Intervention: Control
Control group with a placebo device

Primary Outcome Measures :
  1. Changes in MVV [ Time Frame: baseline and 20 days ]
    In patients with COPD and CHF,endurance is measured by Maximum Voluntary Ventilation Test (MVV)

Secondary Outcome Measures :
  1. Changes in 6-min Walking test [ Time Frame: baseline and 20 days ]
  2. Changes in Spirometry parameters [ Time Frame: baseline and 20 days ]

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Ages Eligible for Study:   18 Years and older   (Adult, Senior)
Sexes Eligible for Study:   All
Accepts Healthy Volunteers:   No

Inclusion Criteria:

  • Ability to perform 6-min walking test.
  • Emogas analysis at rest (with PaO2>60mmHg and PCO2<45 mmHg)
  • Mini Mental State Examination (MMSE) > 25
  • Absence of major events in the last month (i.e. respiratory exacerbation treated with antibiotic therapy, CHF unstabilization with administration of vasopressor drugs to support the cardiac pump).
  • Maximum Voluntary Ventilation (MVV) as evaluation of endurance <90%.

Exclusion Criteria:

  • Haemodynamic instability

Information from the National Library of Medicine

To learn more about this study, you or your doctor may contact the study research staff using the contact information provided by the sponsor.

Please refer to this study by its identifier (NCT number): NCT01556139

Fondazione Salvatore Maugeri
Lumezzane, Brescia, Italy, 25066
Sponsors and Collaborators
Fondazione Salvatore Maugeri
Principal Investigator: Mara Paneroni, PT Fondazione Salvatore Maugeri, Lumezzzane


Responsible Party: Mara Paneroni, Study Investigator, Fondazione Salvatore Maugeri Identifier: NCT01556139     History of Changes
Other Study ID Numbers: Spirotiger
First Posted: March 16, 2012    Key Record Dates
Last Update Posted: July 8, 2015
Last Verified: July 2015

Keywords provided by Mara Paneroni, Fondazione Salvatore Maugeri:
exercise training
6-min walking test

Additional relevant MeSH terms:
Heart Failure
Lung Diseases
Lung Diseases, Obstructive
Pulmonary Disease, Chronic Obstructive
Heart Diseases
Cardiovascular Diseases
Respiratory Tract Diseases