PD Dr. Andreas Wehrfritz

Department of Anaesthesiology

A clinical case and pharmacokinetic analysis of an inadvertent overdose of dipyrone (metamizole) without clinical toxicity: A case report. (2026) Wehrfritz A, Schmidt S, Ihmsen H, Fiedler S, Volleth F, Francis R, Castellanos I Journal article Quantification of the Active Metabolites 4-Methylaminoantipyrine and 4-Aminoantipyrine of Dipyrone From Human Plasma by LC–MS/MS (2026) Schmidt S, Ihmsen H, Golditz T, Schüttler J, Wehrfritz A Journal article Management and Outcomes of Descending Necrotizing Mediastinitis: A 15-Year Experience. (2025) Parjiea C, Sievert M, Haj Khalaf M, Ihmsen H, Higaze M, Gehrking M, Wehrfritz A, Sirbu H Journal article Impact of bleeding and thrombosis on outcome of 945 COVID-19 VV-ECMO cases from a German registry (2025) Herrmann J, Schade J, Meybohm P, Paschke N, Hübsch ME, Notz Q, Groene J, et al. Journal article Determination of the Long-Term Stability of Propofol in Human Plasma Frozen for Eight Years and Quantified by UHPLC–MS/MS (2025) Schmidt S, Ihmsen H, Münster T, Schüttler J, Jeleazcov C, Wehrfritz A Journal article Long-term stability of sufentanil quantified by UPLC-MS-MS in human plasma frozen for 11 years at -20°C. (2025) Wehrfritz A, Schmidt S, Ihmsen H, Schüttler J, Jeleazcov C Journal article Ethical conflicts associated with COVID-19 pandemic, triage and frailty-unexpected positive disease progression in a 90-year-old patient: A case report. (2023) Wehrfritz A, Schmidt J, Bremer FF, Lang AK, Welzer J, Castellanos AI Journal article Streptococcal toxic shock syndrome with associated necrotising fasciitis necessitating amputation of the lower extremity – A case report (2023) Strecker T, Treutlein C, Agaimy A, Wehrfritz A Journal article Patient-Controlled Analgesia After Cardiac Surgery With Median Sternotomy: No Advantages of Hydromorphone When Compared to Morphine (2022) Wehrfritz A, Senger AS, Just P, Albart M, Münchsmeier M, Ihmsen H, Schüttler J, Jeleazcov C Journal article Long-Term Stability of Hydromorphone in Human Plasma Frozen at-20 degrees C for Three Years Quantified by LC-MS/MS (2022) Wehrfritz A, Schmidt S, Ihmsen H, Schüttler J, Jeleazcov C Journal article