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 I 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