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Ultrasound and Exercises in Knee Osteoarthritis

maanantai 15. heinäkuuta 2019 päivittänyt: Raquel A. Casarotto, University of Sao Paulo General Hospital

Effect of Ultrasound Associated to Exercises in Patients With Knee Osteoarthritis

The aim of this investigation is to compare the effects of continuous (CUS) and pulsed (PUS) ultrasound associated with a program of exercises on pain, range of motion, muscle strength, functionality, mobility and activity in patients with knee osteoarthritis. Participants were randomized into five groups: Group I (in the first month, continuous ultrasound was applied), Group II (in the first month, pulsed ultrasound was applied), Group III (in the first and second month, the continuous ultrasound was applied), Group IV (in the first and second month, the pulsed ultrasound was applied) and Group V (patients received only exercise sessions for eight weeks).

Tutkimuksen yleiskatsaus

Tila

Valmis

Ehdot

Interventio / Hoito

Yksityiskohtainen kuvaus

Strong evidence suggests that joint exercises reduce pain and disability in patients with osteoarthritis. There is evidence that exercise is responsible for muscular strengthening and better flexibility, improved global function as well as better performance in activities of daily living (ADL).

There are two modes of US, continuous and pulsed. Continuous US (CUS) generates thermal effects by stimulating the process of tissue regeneration, changing cell membrane permeability and increasing intracellular calcium, while pulsed US (PUS) mainly produces non-thermal effects to increase tissue metabolism, enhance fibrous tissue extensibility and elevate pain threshold

Opintotyyppi

Interventio

Ilmoittautuminen (Todellinen)

100

Vaihe

  • Ei sovellettavissa

Osallistumiskriteerit

Tutkijat etsivät ihmisiä, jotka sopivat tiettyyn kuvaukseen, jota kutsutaan kelpoisuuskriteereiksi. Joitakin esimerkkejä näistä kriteereistä ovat henkilön yleinen terveydentila tai aiemmat hoidot.

Kelpoisuusvaatimukset

Opintokelpoiset iät

50 vuotta - 75 vuotta (Aikuinen, Vanhempi Aikuinen)

Hyväksyy terveitä vapaaehtoisia

Ei

Sukupuolet, jotka voivat opiskella

Kaikki

Kuvaus

Inclusion Criteria:

To be included in the study, participants needed to suffer knee osteoarthritis with osteoarthritis levels 2 - 4 according to Kellgren-Lawrence grade12, be aged between 50 and 75 years and suffer knee pain and functional disability for at least three months, according to the criteria of the American College for Rheumatology (ACR)13. Participants from both genders were included. The Kellgren and Lawrence grading of knee osteoarthritis is as follows: none (0), doubtful (1), minimal (2), moderate (3) and severe (4).

The ACR criteria of knee osteoarthritis are as follows:

  • Using history and physical examination: knee pain and three of the following - over 50 years old; less than 30 minutes of morning stiffness; bone tenderness; bone enlargement; no palpable warmth of synovial.
  • Using history, physical examination and radiographic findings: knee pain and one of the following - over 50 years old; less than 30 minutes of morning stiffness; crepitus on active motion; and osteophytes.
  • Using history, physical examination and laboratory findings: knee pain and five of the following - over 50 years old; less than 30 minutes of morning stiffness; bone tenderness; bone enlargement; no palpable warmth of synovial; crepitus on active motion; ESR <40 mm/h; rheumatoid factor <1: 40; synovial fluid sign of osteoarthritis.

Exclusion Criteria:

  • Participants were excluded if they had cancer, diabetes, symptomatic hip osteoarthritis, or used antidepressants, anti-inflammatory medications or anxiolytics during six months prior to enrollment.

Opintosuunnitelma

Tässä osiossa on tietoja tutkimussuunnitelmasta, mukaan lukien kuinka tutkimus on suunniteltu ja mitä tutkimuksella mitataan.

Miten tutkimus on suunniteltu?

Suunnittelun yksityiskohdat

  • Ensisijainen käyttötarkoitus: Hoito
  • Jako: Satunnaistettu
  • Inventiomalli: Rinnakkaistehtävä
  • Naamiointi: Nelinkertaistaa

Aseet ja interventiot

Osallistujaryhmä / Arm
Interventio / Hoito
Kokeellinen: Group I
(in the first month, continuous ultrasound was applied three times a week and in the second month patients performed only exercise sessions three times a week)
Muut: Group I

Group I In the first month, continuous ultrasound was applied three times a week. In the second month, patients performed only exercise sessions three times a week. In the ultrasound treatment, the following parameters were used: frequency of 1 MHz, intensity of 1.5 W/cm2 (temporal and spatial mean SATA), duty cycle of 100%, with application time of 5 minutes on the medial side and 5 minutes on lateral side of knee.

Exercises

The intervention was divided into three phases: P-1, P-2 and P-3 during eight weeks with three sessions a week. Each session lasted 45 minutes:

  • 10 minutes warming-up (treadmill, ergometer bike or rowing machine);
  • 30 minutes 2-3 sets with P-1, P-2 or P-3;
  • 5 minutes stretching (hamstrings, quadriceps, adductors, and gastrocmenius).
Kokeellinen: Group II
(in the first month, pulsed ultrasound was applied three times a week and in the second month patients performed only exercise sessions three times a week)
Muut: Group II

Group II In the first month, pulsed ultrasound was applied three times a week. In the second month, patients performed only exercise sessions three times a week. In the treatment with the US, the following parameters were used: 1 MHz frequency, 2.5 w / cm2 intensity (temporal and spatial mean SATA), pulsed mode (25%), 5 minutes on the medial side and 5 minutes on the lateral side of the knee.

Exercises

The intervention was divided into three phases: P-1, P-2 and P-3 during eight weeks with three sessions a week. Each session lasted 45 minutes:

  • 10 minutes warming-up (treadmill, ergometer bike or rowing machine);
  • 30 minutes 2-3 sets with P-1, P-2 or P-3;
  • 5 minutes stretching (hamstrings, quadriceps, adductors, and gastrocmenius).
Kokeellinen: Group III
(in the first month, the continuous ultrasound was applied three times a week and in the second month, three times a week, the continuous ultrasound associated with exercises was applied)
Muut: Group III

Group III In the first month, the continuous ultrasound was applied 3 times a week. In the second month, 3 times a week, the continuous ultrasound was applied associated with exercises. The parameters were used: frequency of 1 MHz, intensity of 1.5 w / cm2 (temporal and spatial mean SATA), continuous mode (100%), with application time of 5 minutes on the medial side and 5 minutes on lateral side of knee.

Exercises

The intervention was divided into three phases: P-1, P-2 and P-3 during eight weeks with three sessions a week. Each session lasted 45 minutes:

  • 10 minutes warming-up (treadmill, ergometer bike or rowing machine);
  • 30 minutes 2-3 sets with P-1, P-2 or P-3;
  • 5 minutes stretching (hamstrings, quadriceps, adductors, and gastrocmenius).
Kokeellinen: Group IV
(in the first month, the pulsed ultrasound was applied three times a week and in the second month, three times a week, the pulsed ultrasound associated with exercises was applied)
Muut: Group IV

Group IV In the first month, the pulsed ultrasound was applied three times a week. In the second month, three times a week, the pulsed ultrasound associated with exercises was applied. In the treatment with the US, the following parameters were used: 1 MHz frequency, 2.5 w / cm2 intensity (temporal and spatial mean SATA), pulsed mode (25%), 5 minutes on the medial side and 5 Minutes on the lateral side of the knee.

Exercises

The intervention was divided into three phases: P-1, P-2 and P-3 during eight weeks with three sessions a week. Each session lasted 45 minutes:

  • 10 minutes warming-up (treadmill, ergometer bike or rowing machine);
  • 30 minutes 2-3 sets with P-1, P-2 or P-3;
  • 5 minutes stretching (hamstrings, quadriceps, adductors, and gastrocmenius).
Kokeellinen: Group V
(patients received only exercise sessions three times a week for eight weeks)
Muut: Group V

Group V Patients received only exercise sessions three times a week for two months.

Exercises

The intervention was divided into three phases: P-1, P-2 and P-3 during eight weeks with three sessions a week. Each session lasted 45 minutes:

  • 10 minutes warming-up (treadmill, ergometer bike or rowing machine);
  • 30 minutes 2-3 sets with P-1, P-2 or P-3;
  • 5 minutes stretching (hamstrings, quadriceps, adductors, and gastrocmenius).

Mitä tutkimuksessa mitataan?

Ensisijaiset tulostoimenpiteet

Tulosmittaus
Toimenpiteen kuvaus
Aikaikkuna
Pain Intensity Measure
Aikaikkuna: eight weeks
Pain was assessed using a visual analogue scale (VAS)14 consisting of a 10 cm rule (without numbers). At the left side, 'no pain' is written, while on the right side, 'unbearable pain'. Patients were instructed to mark on the rule what their level of pain was.
eight weeks

Toissijaiset tulostoimenpiteet

Tulosmittaus
Toimenpiteen kuvaus
Aikaikkuna
Functionality Measure
Aikaikkuna: eight weeks
Functionality was measured using the Lequesne questionnaire,14 which consists of 11 questions about pain, discomfort and function. Scores range from 0 to 24 (from 'no' to 'extremely severe' dysfunction).
eight weeks
Range of motion
Aikaikkuna: eight weeks
Range of motion for flexion of the knees was measured with the universal goniometer (AESCULAP), according to the methods described by Marques.
eight weeks
Muscular strength
Aikaikkuna: eight weeks
Muscular strength was estimated at maximal isometric force for the quadriceps, using a portable dynamometer (Lafayette, USA). Under stabilized conditions, patients, sitting with knees flexed at 10o, 60o and 90o (measured by a goniometer),16 were asked to extend the legs as far as they could. Three trials were conducted and the mean value was obtained.
eight weeks
Activity
Aikaikkuna: eight weeks
Activity was measured using the Western Ontario and McMaster Universities Osteoarthritis (WOMAC) questionnaire,17 which is self-administered and measures pain, frozen joints and physical activity. Increased scores indicate decreased activity.
eight weeks
Mobility and balance
Aikaikkuna: eight weeks
Mobility and balance are evaluated by Timed Get Up and Go (TGUG)18 and 8 meters Test19. The TGUG quantifies in seconds the functional mobility through the time that the individual needs to perform the task of getting up from a chair, walking three meters, turning back towards the chair and sitting again. The 8-meter test measures the time and number of steps required for a person to walk for 8 meters.
eight weeks

Yhteistyökumppanit ja tutkijat

Täältä löydät tähän tutkimukseen osallistuvat ihmiset ja organisaatiot.

Sponsori

University of Sao Paulo General Hospital

Tutkijat

  • Päätutkija: Raquel A Casarotto, PhD, Sao Paulo University

Opintojen ennätyspäivät

Nämä päivämäärät seuraavat ClinicalTrials.gov-sivustolle lähetettyjen tutkimustietueiden ja yhteenvetojen edistymistä. National Library of Medicine (NLM) tarkistaa tutkimustiedot ja raportoidut tulokset varmistaakseen, että ne täyttävät tietyt laadunvalvontastandardit, ennen kuin ne julkaistaan ​​julkisella verkkosivustolla.

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Muut tutkimustunnusnumerot

  • CAAE: 47955315.7.0000.0065

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