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Ionized Calcium as a Severity Marker in Septic Shock Patients

4. september 2026 opdateret af: Mina Saad Seddik Danial, Assiut University

Evaluation of the Prognostic Value of Changes in Ionized Calcium as a Severity Marker in Septic Shock Patients in the Intensive Care Unit

Sepsis is a serious condition where the body has an extreme, dysregulated response to an infection, often leading to life-threatening organ dysfunction. Low levels of ionized calcium (the active, free form of calcium in the blood) are common in critically ill patients admitted to intensive care units (ICUs). While established clinical scoring systems like the Sequential Organ Failure Assessment (SOFA) and Acute Physiology and Chronic Health Evaluation II (APACHE II) help assess illness severity, there is a continuous need for rapid, cost-effective biological markers that can be measured immediately at the bedside using routine blood gas analyzers.

The primary purpose of this observational study is to evaluate whether ionized calcium levels measured upon admission to the ICU can serve as an early marker of disease severity and outcome in adult patients diagnosed with sepsis or septic shock.

Adult participants diagnosed with sepsis or septic shock who are admitted to the ICU will receive standard medical care. Routine arterial or venous blood samples will be analyzed at admission to measure ionized calcium and other standard laboratory markers. Researchers will correlate these calcium levels with baseline illness severity scores (SOFA and APACHE II) and evaluate patient outcomes, including 28-day mortality, length of ICU stay, and the need for mechanical ventilation or vasopressor medications.

Studieoversigt

Status

Ikke rekrutterer endnu

Betingelser

Undersøgelsestype

Observationel

Tilmelding (Anslået)

160

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

N/A

Prøveudtagningsmetode

Ikke-sandsynlighedsprøve

Studiebefolkning

Adult critically ill patients (aged 18 years or older) admitted to the intensive care units (ICUs) at Assiut University Hospitals who are diagnosed with sepsis or septic shock according to the Third International Consensus Definitions for Sepsis and Septic Shock (Sepsis-3) criteria within 24 hours of hospital presentation.

Beskrivelse

Inclusion Criteria:

  • Adult patients aged 18 years or older
  • Diagnosed with sepsis or septic shock according to the Third International Consensus Definitions for Sepsis and Septic Shock (Sepsis-3)
  • Admission to the intensive care unit (ICU) within 24 hours of presentation

Exclusion Criteria:

  • Known pre-existing disorders of calcium or parathyroid metabolism (e.g., chronic hypoparathyroidism, hyperparathyroidism)
  • Severe chronic kidney disease (CKD stage 4 or 5) or end-stage renal disease on dialysis
  • Patients receiving active intravenous calcium, bisphosphonates, or vitamin D supplementation within 48 hours prior to admission
  • Massive blood transfusion (more than 4 units of packed red blood cells) within 6 hours of admission (due to citrate-induced hypocalcemia)

Studieplan

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

Hvordan er undersøgelsen tilrettelagt?

Design detaljer

Kohorter og interventioner

Gruppe / kohorte
Sepsis and Septic Shock Cohort
Adult patients (aged 18 years or older) diagnosed with sepsis or septic shock according to the Sepsis-3 definitions and admitted to the intensive care unit (ICU) within 24 hours of presentation. Patients receive standard, evidence-based supportive care. Ionized calcium levels along with arterial blood gases, organ failure scores (SOFA and APACHE II), and baseline laboratory parameters are assessed upon admission and monitored at 24 and 48 hours to evaluate prognostic outcomes.

Hvad måler undersøgelsen?

Primære resultatmål

Resultatmål
Foranstaltningsbeskrivelse
Tidsramme
Correlation Between Admission Ionized Calcium Levels and SOFA Score
Tidsramme: Baseline
Correlation between baseline ionized calcium levels and disease severity assessed by the Sequential Organ Failure Assessment (SOFA) score. Scores range from 0 to 24, where higher scores indicate greater organ failure.
Baseline

Samarbejdspartnere og efterforskere

Det er her, du vil finde personer og organisationer, der er involveret i denne undersøgelse.

Sponsor

Assiut University

Datoer for undersøgelser

Disse datoer sporer fremskridtene for indsendelser af undersøgelsesrekord og resumeresultater til ClinicalTrials.gov. Studieregistreringer og rapporterede resultater gennemgås af National Library of Medicine (NLM) for at sikre, at de opfylder specifikke kvalitetskontrolstandarder, før de offentliggøres på den offentlige hjemmeside.

Studer store datoer

Studiestart (Anslået)

1. oktober 2026

Primær færdiggørelse (Anslået)

1. oktober 2027

Studieafslutning (Anslået)

1. november 2027

Datoer for studieregistrering

Først indsendt

4. september 2026

Først indsendt, der opfyldte QC-kriterier

4. september 2026

Først opslået (Faktiske)

10. september 2026

Opdateringer af undersøgelsesjournaler

Sidste opdatering sendt (Faktiske)

10. september 2026

Sidste opdatering indsendt, der opfyldte kvalitetskontrolkriterier

4. september 2026

Sidst verificeret

1. september 2026

Mere information

Begreber relateret til denne undersøgelse

Nøgleord

Yderligere relevante MeSH-vilkår

Andre undersøgelses-id-numre

  • Ionized Calcium in Sepsis ICU

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