Deep Venous Thrombosis Screening in the ICU by Nurses

Overview

Despite of preventive measures, the incidence of deep venous thrombosis (DVT) in ICU patients is estimated to range from 5-31%. While clinical diagnostics is unreliable, ultrasound compression test (UCT) has proven to be a highly sensitive and specific modality for the recognition of lower extremity DVT. Delegating this competence to ICU nurses can increase UCT availability and enable preventive DVT screening. Therefore, the investigators decided to conduct a clinical study to evaluate the sensitivity and specificity of UCT performed by general ICU nurse in ICU patients compared to an investigation by ICU physician certified in ultrasound. Prior to the study, each nurse-investigator participating in the study undergo one-hour training in UCT and examine 5 patients under supervision. Then, ICU patients without known DVT will be investigated by UCT in the femoral and popliteal region of both lower extremities by trained general ICU nurse-investigators. On the same day, the examination will be repeated by an ICU physician-investigator. The results of the examinations of each patient will be blinded to each other for both investigators until both tests are performed. The sensitivity and specificity of the test performed by general nurse will be calculated in comparison with the examination by a specialist.

Full Title of Study: “Screening Ultrasound Compression Testing in Critically Ill Patients Performed by General Nurses – Validation Study”

Study Type

  • Study Type: Observational
  • Study Design
    • Time Perspective: Prospective
  • Study Primary Completion Date: April 30, 2019

Interventions

  • Diagnostic Test: Compression ultrasound testing
    • Compression ultrasound testing, screening technique for diagnosing deep venous thrombosis

Clinical Trial Outcome Measures

Primary Measures

  • Validity of the compression ultrasound testing in the ICU patients performed by general nurses
    • Time Frame: One day
    • Validity of testing performed by nurses will be compared with investigation by the physician, specialist for compression ultrasound testing

Participating in This Clinical Trial

Inclusion Criteria

  • all ICU patients without known deep venous thrombosis, hospitalised more than 72 hours Exclusion Criteria:

  • contraindication of compression ultrasound testing – end-of-life decision regimen of care

Gender Eligibility: All

Minimum Age: 18 Years

Maximum Age: N/A

Are Healthy Volunteers Accepted: No

Investigator Details

  • Lead Sponsor
    • Emergency Medical Service of the Central Bohemian Region, Czech Republic
  • Collaborator
    • Masaryk Hospital Usti nad Labem
  • Provider of Information About this Clinical Study
    • Principal Investigator: Roman Skulec, Head physician for science and research – Emergency Medical Service of the Central Bohemian Region, Czech Republic
  • Overall Official(s)
    • Roman Skulec, MD, PhD, Principal Investigator, Department of Anesthesiology, Perioperative Medicine and Intensive Care, J.E. Purkinje University, Masaryk Hospital Usti nad Labem, Usti nad Labem, Czech Republic

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