Comparison of an optimized heart-lung machine setup with the conventional setup in patients with a body weight between 40 and 70 kg.

Status

Recruiting

Phases

Unknown

Study type

Interventional

Source

DRKS

Registry ID

DRKS00031850

Enrollment

Registered

2023-10-12

Start date

2023-10-20

Completion date

Unknown

Last updated

2025-04-07

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

Conditions

Patients weighing between 40 and 70 kg who are undergoing heart surgery using a heart-lung machine

Interventions

Group 1: Use of a conventional heart-lung machine configuration in patients weighing between 40 and 70 kg Group 2: Use of an optimized configuration of the heart-lung machine in patients with a body w

Eligibility

Sex/Gender

All

Age

18 Years to No maximum

Inclusion criteria

Inclusion criteria: Weight: 40 to 70 kg; Cardiac surgery with a heart-lung machine in normothermia

Exclusion criteria

Exclusion criteria: Emergency operations, operations in moderate hypothermia, endocarditis, reoperations, implantation of mechanical circulatory support devices, heart transplants, preoperative va-ECMO procedure

Design outcomes

Primary

Measure	Time frame
Drop in hemoglobin after starting the heart-lung machine	—

Secondary

Measure	Time frame
number of allogeneic blood products administered; Duration of postoperative ventilation, duration of total postoperative stay, duration of postoperative intensive care stay, duration of catecholamine administration, need for dialysis in intensive care unit, need for hemofiltration during HLM; Platelets at the first postoperative laboratory control	—

Countries

Germany

Contacts

Public ContactMartin Czerny

Universitätsklinikum Freiburg

martin.czerny@uniklinik-freiburg.de+49 761 27028181

Outcome results

None listed

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