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Sonographic Evaluation of Patients With Carpal Tunnel Syndrome Following Steroid Injection

24. april 2017 oppdatert av: Taipei Veterans General Hospital, Taiwan
The objective of this study was to assess sonographic changes of the median nerve after steroid injection for carpal tunnel syndrome.

Studieoversikt

Status

Ukjent

Intervensjon / Behandling

Detaljert beskrivelse

Patients with CTS were recruited. The Boston Questionnaire (BQ) was administered and ultrasonographic and electrophysiological examinations were performed before and at two, six, and 12 weeks after steroid injection. Cross sectional area (CSA) was measured at 2 levels: at the tunnel inlet and in the mid-carpal tunnel. Flattening ratio (FR) was measured only in the mid-carpal tunnel. Correlation analyses between baseline ultrasonography, BQ, and electrophysiological measures were performed.

Studietype

Intervensjonell

Registrering (Forventet)

54

Fase

  • Ikke aktuelt

Kontakter og plasseringer

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

Studiekontakt

Studiesteder

      • Taipei, Taiwan
        • Rekruttering
        • Teipei Veterans General Hospital
        • Ta kontakt med:
          • Jia chi Wang, MD
          • Telefonnummer: 886-2-28757361

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

18 år til 80 år (Voksen, Eldre voksen)

Tar imot friske frivillige

Nei

Kjønn som er kvalifisert for studier

Alle

Beskrivelse

Inclusion Criteria:

  1. clinical diagnosis of CTS
  2. The diagnosis of CTS was confirmed by electrophysiological tests.

Exclusion Criteria:

  1. neurologic disorders that could mimic CTS such as cervical radiculopathy, polyneuropathy, proximal median nerve entrapment, or thoracic outlet syndrome
  2. history of distal radius fracture
  3. pregnancy or lactation
  4. regular use of systemic NSAIDs or corticosteroids
  5. known allergy to corticosteroids and local anesthetics.

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: N/A
  • Intervensjonsmodell: Enkeltgruppeoppdrag
  • Masking: Ingen (Open Label)

Våpen og intervensjoner

Deltakergruppe / Arm
Intervensjon / Behandling
Eksperimentell: steroid injection
ultrasound-guided steroid injection using 1ml of 10 mg (10mg/ml) triamcinolone acetonide
ultrasound-guided steroid injection using 1ml of 10 mg (10mg/ml) triamcinolone acetonide
Andre navn:
  • triamcinolonacetonid

Hva måler studien?

Primære resultatmål

Resultatmål
Tiltaksbeskrivelse
Tidsramme
Cross sectional area
Tidsramme: 12 weeks
The CSA of the median nerve was measured at 2 levels: at the carpal tunnel inlet (CSA-I; immediately prior to the proximal margin of the flexor retinaculum) and in the mid-carpal tunnel (CSA-M; at the level of the pisiform bone and scaphoid tubercle)
12 weeks

Sekundære resultatmål

Resultatmål
Tiltaksbeskrivelse
Tidsramme
flattening ratio
Tidsramme: 2, 6, 12 weeks
The flattening ratio was measured only at the mid-tunnel (FR-M). FR was calculated by dividing the horizontal diameter of the nerve by the vertical diameter.
2, 6, 12 weeks
Boston Carpal Tunnel Questionnaire (BQ)
Tidsramme: 2, 6, 12 weeks
The BQ was interviewed-administered to assess the severity of symptoms and functional status.
2, 6, 12 weeks
Median nerve distal motor latency
Tidsramme: 2, 6, 12 weeks
the CMAPs were obtained via surface electrodes placed on the abductor pollicis brevis muscle. The active recording electrode was placed on the muscle belly, and the reference electrode was placed on the tendon insertion. The median nerve was stimulated 8 cm proximal to the active recording electrode. Distal motor latencies were measured from the onset of stimulus artifact to the onset of the CMAP
2, 6, 12 weeks
sensory nerve conduction velocity
Tidsramme: 2, 6, 12 weeks
SNAPs were obtained using an antidromic method and recorded by surface electrodes placed at the proximal and distal interphalangeal joints of the index finger for the median nerve and the same joints of the little finger for the ulnar nerve. The median nerves were stimulated at the wrist at a distance of 14 cm from the wrist to the active electrode. Distal sensory latencies were measured from the onset of the stimulus artifact to the onset of the SNAP. SNCV was calculated dividing the distance of 14 cm by the distal sensory latency.
2, 6, 12 weeks
compound muscle action potential amplitude (CMAP)
Tidsramme: 2, 6, 12 weeks
the CMAPs were obtained via surface electrodes placed on the abductor pollicis brevis muscle. The active recording electrode was placed on the muscle belly, and the reference electrode was placed on the tendon insertion. The median nerve was stimulated 8 cm proximal to the active recording electrode. The amplitude of CMAP were measured from baseline to negative peak.
2, 6, 12 weeks
sensory nerve action potential amplitudes.
Tidsramme: 2, 6, 12 weeks
SNAPs were obtained using an antidromic method and recorded by surface electrodes placed at the proximal and distal interphalangeal joints of the index finger for the median nerve and the same joints of the little finger for the ulnar nerve. The median nerves were stimulated at the wrist at a distance of 14 cm from the wrist to the active electrode. The amplitude of SNAP were measured from baseline to negative peak.
2, 6, 12 weeks

Samarbeidspartnere og etterforskere

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

Etterforskere

  • Hovedetterforsker: Jia chi Wang, Taipei Veteran General Hospital

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 2013

Primær fullføring (Forventet)

1. februar 2018

Studiet fullført (Forventet)

1. februar 2018

Datoer for studieregistrering

Først innsendt

16. februar 2017

Først innsendt som oppfylte QC-kriteriene

24. april 2017

Først lagt ut (Faktiske)

27. april 2017

Oppdateringer av studieposter

Sist oppdatering lagt ut (Faktiske)

27. april 2017

Siste oppdatering sendt inn som oppfylte QC-kriteriene

24. april 2017

Sist bekreftet

1. februar 2017

Mer informasjon

Denne informasjonen ble hentet direkte fra nettstedet clinicaltrials.gov uten noen endringer. Hvis du har noen forespørsler om å endre, fjerne eller oppdatere studiedetaljene dine, vennligst kontakt register@clinicaltrials.gov. Så snart en endring er implementert på clinicaltrials.gov, vil denne også bli oppdatert automatisk på nettstedet vårt. .

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