M. Krämer

Local infiltration anaesthesia versus sciatic nerve and adductor canal block for fast-track knee arthroplasty: A randomised controlled clinical trial

P. von Roth, C. Perka, S. Kirschbaum, 2019, European journal of anaesthesiology.

The impact of an hematocrit of 20% during normothermic cardiopulmonary bypass for elective low risk coronary artery bypass graft surgery on oxygen delivery and clinical outcome – a randomized controlled study [ISRCTN35655335]

K. Wernecke, W. Konertz, C. Spies, 2006, Critical care.

Implementation of goal-directed fluid therapy during hip revision arthroplasty: a matched cohort study

C. Perka, F. Balzer, M. Sander, 2016, Perioperative Medicine.

Prediction of volume response under open-chest conditions during coronary artery bypass surgery

C. Spies, M. Sander, C. von Heymann, 2007, Critical care.

Tranexamic acid reduces the blood loss and blood transfusion requirements following peri-acetabular osteotomy.

G. Wassilew, C. Perka, V. Janz, 2015, The bone & joint journal.

Transversus abdominis Plane Block for Improved Early Postoperative Pain Management after Periacetabular Osteotomy: A Randomized Clinical Trial

G. Wassilew, V. Janz, V. Leopold, 2021, Journal of clinical medicine.

Transversus Abdominis Plane Block Reduces Intraoperative Opioid Consumption in Patients Undergoing Periacetabular Osteotomy

G. Wassilew, R. Zahn, V. Leopold, 2022, Journal of clinical medicine.

Allogeneic Blood Transfusion and Risk of Postoperative Complications in Patients with Mild and Moderate Anemia of Any Cause? A Retrospective Cohort Study in Total Revision Hip Surgery

C. Spies, Gerald Vorderwülbecke, Jochen Kruppa, 2023, Transfusion Medicine and Hemotherapy.