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Exercise Test and Sequential Training Strategies in PAD

26. mai 2019 oppdatert av: Chang Gung Memorial Hospital

Exercise Test and Sequential Training Strategies in Peripheral Arterial Disease

Diabetic lower extremity disease, including peripheral vascular disease, peripheral neuropathy, foot ulcers, or leg amputation. Among them, peripheral arterial disease (PAD) is an important expression of systemic atherosclerosis. With the progress of the disease, impaired peripheral blood circulation will lead to many symptoms and signs, such as pain, paresthesia, and numbness.

In past studies show that regular exercise with moderate intensity may help to improve metabolism and hemodynamic characteristics of the individual. In addition, many studies have found that despite substantial organic changes in downstream tissue, exercise training can improve walking ability and aerobic capacity in patients with peripheral arterial disease.

To enhance exercise capacity in patients with PAD may involve redistribution of blood flow from vascular beds with lower O 2 exchange rates towards exercising ischemic muscles, an increase in nutritive leg muscle blood flow at the expense of regional shunting mechanisms, increased peripheral O 2 use during exercise attributable to more optimal distribution of leg blood flow, and possible increased muscle capillary density and mitochondrial capacity.

Therefore, we tried to mimic local (leg) ischemic- reperfusion by systemic exercise, or to practice remote preconditioning effect by interval occlusion of the blood vessel in the upper arm which acquired ischemic preconditioning effect, and to improve local blood flow. Furthermore, the hemagglutination performance in PAD patients may also be used as an important indicator of cardiovascular disease.

Studieoversikt

Detaljert beskrivelse

Diabetic lower extremity disease, including peripheral vascular disease, peripheral neuropathy, foot ulcers, or leg amputation. Among them, peripheral arterial disease (PAD) is an important expression of systemic atherosclerosis. With the progress of the disease, impaired peripheral blood circulation will lead to many symptoms and signs, such as pain, paresthesia, and numbness.

In past studies show that regular exercise with moderate intensity may help to improve metabolism and hemodynamic characteristics of the individual. In addition, many studies have found that despite substantial organic changes in downstream tissue, exercise training can improve walking ability and aerobic capacity in patients with peripheral arterial disease.

To enhance exercise capacity in patients with PAD may involve redistribution of blood flow from vascular beds with lower O 2 exchange rates towards exercising ischemic muscles, an increase in nutritive leg muscle blood flow at the expense of regional shunting mechanisms, increased peripheral O 2 use during exercise attributable to more optimal distribution of leg blood flow, and possible increased muscle capillary density and mitochondrial capacity.

Therefore, we tried to mimic local (leg) ischemic- reperfusion by systemic exercise, or to practice remote preconditioning effect by interval occlusion of the blood vessel in the upper arm which acquired ischemic preconditioning effect, and to improve local blood flow. Furthermore, the hemagglutination performance in PAD patients may also be used as an important indicator of cardiovascular disease

Studietype

Intervensjonell

Registrering (Forventet)

100

Fase

  • Ikke aktuelt

Kontakter og plasseringer

Denne delen inneholder kontaktinformasjon for de som utfører studien, og informasjon om hvor denne studien blir utført.

Studiesteder

      • Keelung, Taiwan, 204
        • Rekruttering
        • Department of Physical Medicine and Rehabilitation of Keelung Chang Gung Memorial hospital
        • Ta kontakt med:
        • Hovedetterforsker:
          • Tieh-Cheng Fu, MD

Deltakelseskriterier

Forskere ser etter personer som passer til en bestemt beskrivelse, kalt kvalifikasjonskriterier. Noen eksempler på disse kriteriene er en persons generelle helsetilstand eller tidligere behandlinger.

Kvalifikasjonskriterier

Alder som er kvalifisert for studier

20 år til 80 år (Voksen, Eldre voksen)

Tar imot friske frivillige

Nei

Kjønn som er kvalifisert for studier

Alle

Beskrivelse

Inclusion Criteria:

  • Ankle-brachial index <0.9

Exclusion Criteria:

  • 1.<20 years old 2. There are other diseases or behavioral restrictions that prevent exercise training 3. Other exercise contraindications:

    1. unstable angina
    2. resting systolic blood pressure greater than 200 mmHg or diastolic blood pressure greater than 110 mmHg
    3. orthostatic blood pressure drop greater than 20 mmHg with symptoms
    4. Symptomatic severe aortic stenosis
    5. Acute systemic infection, accompanied by fever, body aches, or swollen lymph glands
    6. Uncontrolled cardiac dysrhythmias causing symptoms or hemodynamic compromise
    7. Uncontrolled symptomatic heart failure
    8. High-degree atrioventricular blocks
    9. Acute myocarditis or pericarditis
    10. Acute pulmonary embolus or pulmonary infarction
    11. a recent significant change in the resting electrocardiogram suggesting significant ischemia,
    12. recent myocardial infarction (within 2 d), or other acute cardiac events

Studieplan

Denne delen gir detaljer om studieplanen, inkludert hvordan studien er utformet og hva studien måler.

Hvordan er studiet utformet?

Designdetaljer

  • Primært formål: Behandling
  • Tildeling: Randomisert
  • Intervensjonsmodell: Parallell tildeling
  • Masking: Ingen (Open Label)

Våpen og intervensjoner

Deltakergruppe / Arm
Intervensjon / Behandling
Aktiv komparator: usual training
exercise intensity arranged by cardiopulmonary exercise test results
We adjust exercise intensity by the oxygen saturation change show in near-infrared spectrometer
Eksperimentell: Novel exercise training
exercise intensity monitor by near-infrared spectrometer
We adjust exercise intensity by the oxygen saturation change show in near-infrared spectrometer

Hva måler studien?

Primære resultatmål

Resultatmål
Tiltaksbeskrivelse
Tidsramme
physical fitness (peak oxygen consumption)
Tidsramme: after 36 session exercise training, up to 12 weeks
oxygen consumption in cc/min/kg measured by Carefusion(TM) during cardiopulmonary exercise test
after 36 session exercise training, up to 12 weeks
physical fitness (exercise duration)
Tidsramme: after 36 session exercise training, up to 12 weeks
exercise duration in seconds measured during cardiopulmonary exercise test
after 36 session exercise training, up to 12 weeks
physical fitness (walking distance)
Tidsramme: after 36 session exercise training, up to 12 weeks
walking distance in meters measured during six minutes walking test
after 36 session exercise training, up to 12 weeks

Samarbeidspartnere og etterforskere

Det er her du vil finne personer og organisasjoner som er involvert i denne studien.

Studierekorddatoer

Disse datoene sporer fremdriften for innsending av studieposter og sammendragsresultater til ClinicalTrials.gov. Studieposter og rapporterte resultater gjennomgås av National Library of Medicine (NLM) for å sikre at de oppfyller spesifikke kvalitetskontrollstandarder før de legges ut på det offentlige nettstedet.

Studer hoveddatoer

Studiestart (Faktiske)

1. april 2018

Primær fullføring (Forventet)

31. desember 2019

Studiet fullført (Forventet)

31. desember 2019

Datoer for studieregistrering

Først innsendt

17. mai 2019

Først innsendt som oppfylte QC-kriteriene

26. mai 2019

Først lagt ut (Faktiske)

29. mai 2019

Oppdateringer av studieposter

Sist oppdatering lagt ut (Faktiske)

29. mai 2019

Siste oppdatering sendt inn som oppfylte QC-kriteriene

26. mai 2019

Sist bekreftet

1. mai 2019

Mer informasjon

Begreper knyttet til denne studien

Legemiddel- og utstyrsinformasjon, studiedokumenter

Studerer et amerikansk FDA-regulert medikamentprodukt

Nei

Studerer et amerikansk FDA-regulert enhetsprodukt

Nei

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