Intra-operative quality control of coronary artery bypass grafting

Status

Recruiting

Phases

Unknown

Study type

Observational

Source

DRKS

Registry ID

DRKS00016069

Enrollment

Registered

2022-12-16

Start date

2020-08-27

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

I25

Interventions

Group 1: Intra-operative post-operative coronarangiography with planned coronary bypass surgery

Eligibility

Sex/Gender

All

Age

18 Years to No maximum

Inclusion criteria

Inclusion criteria: - Patients before planned coronary bypass surgery - Age greater than and equal to 18 years - Patient able to explain

Exclusion criteria

Exclusion criteria: - Renal insufficiency (crea > 1.5 mg/dl; requiring dialysis but possible without excretion of residual urine) - pregnancy - Emergency surgery - Known contrast agent allergy or intolerance - Hyperthreosis

Design outcomes

Primary

Measure	Time frame
- Frequency of early graft failure and anastomotic stenoses - Frequency of re-interventions - Correlation of the results with the flow measurement	—

Secondary

Measure	Time frame
- Frequency of postoperative renal insufficiency or need for dialysis (retention parameters: creatinine + urea) and diuresis: day 1, 3, 5, discharge, day 30) - Thyroid parameters (T3, T4, TSH: day 1, 3, 5, discharge, day 30) - CK and CK-MB (day 1, 3, 5, discharge, day 30) - Frequency of lethality by day 30 - temporal duration of coronary angiography	—

Countries

Germany

Contacts

Public ContactGabriele Lechner

Universitäts-Herzzentrum Freiburg-Bad KrozingenKlinik für Herz- und Gefäßchirurgie

gabriele.lechner@universitaets-herzzentrum.de+49 761 270 61960

Outcome results

None listed

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