Severe Retroperitoneal Hemorrhage in a COVID-19 Patient on a Therapeutic Dose of Low Molecular Weight Heparin: A Case Report.

Extensive drug treatment for coronavirus disease 2019 (COVID-19) includes low molecular weight heparin (LMWH). At therapeutic doses of LMWH, there is an increased risk of bleeding complications. Spontaneous, non-traumatic bleeding into the retroperitoneum is a life-threatening condition that can progress very rapidly. We describe a complication of COVID-19 bronchopneumonia treatment in which a patient developed a shock condition caused by non-traumatic bleeding into the retroperitoneum and abdominal wall due to LMWH overdose. The patient was operated on under difficult conditions - in biosafety level 3 (BSL-3). This case is exceptionally fascinating and informative. Nowadays, it is essential to point out possible complications associated with the treatment of COVID-19. Based on this report, we emphasize the need for careful LMWH dosing and quick and accurate diagnosis. Surgeons should maintain a higher index of suspicion for spontaneous bleeding in non-specific abdominal pain patients with COVID-19 or patients receiving therapeutic doses of LMWH.