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Relationship between invasive and non invasive methods of determining function of the heart in critically ill patients

Relationship between arterial dp/dt and left ventricular ejection fraction by modified Simpson s method using cardiac ultrasound: An observational analytical study - NIL

Status
Active, not recruiting
Phases
Unknown
Study type
Observational
Source
CTRI
Registry ID
CTRI/2025/10/095519
Enrollment
100
Registered
2025-10-01
Start date
Unknown
Completion date
Unknown
Last updated
2025-10-13

For informational purposes only — not medical advice. Sourced from public registries and may not reflect the latest updates. Terms

Conditions

Health Condition 1: O- Medical and Surgical

Interventions

Intervention1: Nil: Nil Intervention2: Nil: Nil

Sponsors

Lady Hardinge Medical College
Lead Sponsor

Eligibility

Inclusion criteria

Inclusion criteria: Patients more than 20 years of age admitted to ICU

Exclusion criteria

Exclusion criteria: Patients having rhythm other than sinus. Patients with poor cardiac window. Patients with cardiac valvular pathology

Design outcomes

Primary

MeasureTime frame
Spearman correlation between arterial dp/dt via HemoSphere and ejection fraction by modified Simpson s methodTimepoint: day1 day2 day3—

Secondary

MeasureTime frame
Equation for the relationship between dp/dt and left ventricular EF by Modified Simpson s method.Timepoint: day1 day2 day3;Derived equation will be validated by calculating bias and precisionTimepoint: day1 day2 day3;Cutoff value of arterial dp/dt to predict low left ventricular ejection fraction using receiver operating characteristics (ROC) curve analysis.Timepoint: day1 day2 day3;Spearman correlation coefficient between arterial dp/dt and systemic vascular resistance and stroke volume.Timepoint: day1 day2 day3—

Countries

India

Contacts

Public ContactDr Nishant Kumar

Lady Hardinge Medical College, New Delhi

kumarnishant@yahoo.co.uk09811934659

Outcome results

None listed

Source: CTRI (via WHO ICTRP) · Data processed: Feb 4, 2026