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Brain Cognitive Network Abnormalities in Anemia Patients Using fNIRS (AN-CNA)

5. maj 2026 opdateret af: Kuang Zhexiang, Institute of Hematology & Blood Diseases Hospital, China

Construction of Abnormal Projection Regions of Cognitive Neural Networks in Patients With Anemia Using Functional Near-Infrared Spectroscopy (fNIRS)

Anemia is a global public health concern and is closely linked to dysfunction of brain cognitive neural networks, a key mechanism underlying cognitive impairment. Such deficits-including declines in memory, learning, processing speed, and executive function-reduce daily living abilities and increase risks of falls and depression.

Functional near-infrared spectroscopy (fNIRS) enables real-time monitoring of oxygenated and deoxygenated hemoglobin fluctuations, reflecting brain network function. This study aims to identify affected neural network regions in anemic patients and visualize connectivity changes using heatmaps and arc-based mapping. The findings will support early detection of cognitive impairment and guide precise clinical interventions, ultimately informing individualized treatment strategies to enhance therapeutic outcomes and quality of life.

Studieoversigt

Undersøgelsestype

Observationel

Tilmelding (Anslået)

323

Kontakter og lokationer

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Studiekontakt

Undersøgelse Kontakt Backup

Studiesteder

    • Tianjin Municipality
      • Tianjin, Tianjin Municipality, Kina
        • Rekruttering
        • Regenerative Medicine Center
        • Kontakt:

Deltagelseskriterier

Forskere leder efter personer, der passer til en bestemt beskrivelse, kaldet berettigelseskriterier. Nogle eksempler på disse kriterier er en persons generelle helbredstilstand eller tidligere behandlinger.

Berettigelseskriterier

Aldre berettiget til at studere

  • Voksen
  • Ældre voksen

Tager imod sunde frivillige

Ingen

Prøveudtagningsmetode

Ikke-sandsynlighedsprøve

Studiebefolkning

Patients with anemia who were hospitalized for the first time during the period from 2026 to 2028.

Beskrivelse

Inclusion Criteria:

  • Diagnosis of anemia
  • First hospitalization
  • Male or female, aged 18-65 years
  • Willing and able to comply with the requirements for this study and written informed consent

Exclusion Criteria:

  • History of psychiatric illness
  • History of severe brain disease
  • Subjects that the investigator believes have other reasons that make them unsuitable for inclusion in this study

Studieplan

Dette afsnit indeholder detaljer om studieplanen, herunder hvordan undersøgelsen er designet, og hvad undersøgelsen måler.

Hvordan er undersøgelsen tilrettelagt?

Design detaljer

Hvad måler undersøgelsen?

Primære resultatmål

Resultatmål
Foranstaltningsbeskrivelse
Tidsramme
Concentration changes in oxygenated hemoglobin (HbO) and de-oxygenated hemoglobin (HbR)
Tidsramme: Patients will be assessed within 48 hours of admission.
Functional Near Infrared Spectroscopy (fNIRS) is a non-invasive brain imaging modality, that can be used to measure HbO and HbR concentrations.
Patients will be assessed within 48 hours of admission.
Cognitive Function Assessment
Tidsramme: Patients will be assessed within 48 hours of admission.
Montreal Cognitive Assessment (MoCA) is used to assess cognitive function in patients, with higher total scores indicating better cognitive function. The total score range is 0 to 30.
Patients will be assessed within 48 hours of admission.

Sekundære resultatmål

Resultatmål
Foranstaltningsbeskrivelse
Tidsramme
Anxiety symptoms
Tidsramme: Patients will be assessed within 48 hours of admission.
Hamilton anxiety scale(HAMA) is used to examine anxiety in AIHA patients, with higher total scores indicate more severe anxiety symptoms. The total score range is 0-56.
Patients will be assessed within 48 hours of admission.
Depression symptoms
Tidsramme: Patients will be assessed within 48 hours of admission.
Hamilton depression scale(HAMD) is used to examine depression in AIHA patients, with higher total scores indicate more severe depression symptoms. The total score range is 0-52.
Patients will be assessed within 48 hours of admission.
Sleep quality
Tidsramme: Patients will be assessed within 48 hours of admission.
The Pittsburgh Sleep Quality Index (PSQI) was used to assess sleep quality, with a higher global score indicating poorer sleep quality. The global score range is 0-21.
Patients will be assessed within 48 hours of admission.
Physical fatigue
Tidsramme: Patients will be assessed within 48 hours of admission.
It measured by the Functional Assessment of Chronic Illness Therapy-Fatigue (FACIT-Fatigue) Scale. The total possible score is 0-52 points, with higher scores indicating less fatigue.
Patients will be assessed within 48 hours of admission.
Appetite condition
Tidsramme: Patients will be assessed within 48 hours of admission.
Simplified Nutritional Appetite Questionnaire (SNAQ) is used to assess appetite in patients, with higher total scores indicating better appetite. The total score range is 4 to 20.
Patients will be assessed within 48 hours of admission.

Samarbejdspartnere og efterforskere

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Datoer for undersøgelser

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Studer store datoer

Studiestart (Faktiske)

11. oktober 2025

Primær færdiggørelse (Anslået)

31. marts 2028

Studieafslutning (Anslået)

31. december 2028

Datoer for studieregistrering

Først indsendt

5. maj 2026

Først indsendt, der opfyldte QC-kriterier

5. maj 2026

Først opslået (Faktiske)

11. maj 2026

Opdateringer af undersøgelsesjournaler

Sidste opdatering sendt (Faktiske)

11. maj 2026

Sidste opdatering indsendt, der opfyldte kvalitetskontrolkriterier

5. maj 2026

Sidst verificeret

1. maj 2026

Mere information

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