Therapeutic Effects of Hemoperfusion in Treating Long-Acting Anticoagulant Rodenticide Poisoning

Jianguang Dong1, Bingling Yin2, Jieyi Wu3

  • 1Institute of Disaster and Emergency Medicine, Tianjin University, Tianjin, China.

Blood Purification
|June 12, 2026
PubMed
Abstract

Insights

Hemoperfusion effectively reduced rodenticide levels in poisoning patients. This blood purification method also shortened vitamin K1 therapy duration for brodifacoum poisoning.

Area of Science:

  • Toxicology
  • Emergency Medicine
  • Nephrology

Background:

  • Second-generation anticoagulant rodenticides pose life-threatening bleeding risks.
  • Limited effective treatments exist for severe rodenticide poisoning.
  • Evaluating hemoperfusion as a therapeutic option is crucial.

Purpose of the Study:

  • To assess the therapeutic efficacy of hemoperfusion in rodenticide poisoning.
  • To compare outcomes between hemoperfusion and non-hemoperfusion groups.
  • To analyze the impact on serum drug concentrations and treatment duration.

Main Methods:

  • Retrospective analysis of 115 patients with rodenticide poisoning (2014-2021).
  • Comparison of hemoperfusion (n=24) versus non-hemoperfusion (n=91) groups.
  • Analysis of clinical data, serum drug levels, hospital stay, and vitamin K1 therapy duration.

Main Results:

  • Hemoperfusion may accelerate blood toxin clearance.
  • Significantly reduced duration of vitamin K1 therapy in brodifacoum poisoning patients (P=0.044).
  • Hemoperfusion demonstrated effectiveness in reducing serum rodenticide concentrations.

Conclusions:

  • Hemoperfusion is an effective treatment for reducing serum rodenticide levels.
  • Hemoperfusion shortens vitamin K1 therapy duration in brodifacoum poisoning.
  • Hemoperfusion offers a valuable therapeutic strategy for anticoagulant rodenticide poisoning.

Related Concept Videos

Extracorporeal Removal of Drugs: Hemoperfusion and Hemofiltration01:25

Extracorporeal Removal of Drugs: Hemoperfusion and Hemofiltration

Hemoperfusion and hemofiltration are critical techniques in medical treatments to eliminate accumulated drugs, metabolites, and electrolytes from the bloodstream. These methods are particularly vital in cases of accidental poisoning and drug overdose.Hemoperfusion involves passing blood through an adsorbent material to remove unwanted substances. The main adsorbents used in hemoperfusion include activated charcoal and Amberlite resins. Activated charcoal can adsorb both polar and nonpolar...
Anticoagulant Drugs: Low-Molecular-Weight Heparins01:30

Anticoagulant Drugs: Low-Molecular-Weight Heparins

Hemostasis is a crucial process that prevents excessive blood loss from damaged blood vessels. It involves various mechanisms such as vasoconstriction, platelet adhesion and activation, and fibrin formation. The importance of each mechanism depends on the type of vessel injury. In contrast, thrombosis is the abnormal formation of a blood clot within the blood vessels, leading to potential complications if the clot obstructs blood flow. Thrombosis can be caused by increased coagulability of the...
Pharmaceutical Poisoning: Treatment Strategies01:26

Pharmaceutical Poisoning: Treatment Strategies

Treatment strategies for poisoning are a critical aspect of emergency medicine, focusing on preventing the absorption of toxins and enhancing their elimination. When a poisoning incident occurs, the first response is to halt exposure and decontaminate the patient, particularly through gastrointestinal (GI) methods if the poison was ingested.Gastrointestinal Decontamination Techniques:Activated charcoal is the cornerstone of GI decontamination. It works through adsorption, binding the toxin to...
Venous Thrombosis III: Interprofessional Care01:29

Venous Thrombosis III: Interprofessional Care

Venous thrombosis requires effective prevention and treatment strategies to improve patient outcomes and reduce potential complications.Prevention StrategiesHealthcare providers must prioritize preventing venous thromboembolism (VTE) for all adult patients upon admission. Interventions depend on bleeding and thrombosis risk, medical history, current medications, diagnoses, planned procedures, and patient preferences. Patients on bed rest should change positions every two hours and, if not...
Anticholinesterase Agents: Poisoning and Treatment01:26

Anticholinesterase Agents: Poisoning and Treatment

Anticholinesterases, also known as cholinesterase inhibitors, work by blocking the breakdown of acetylcholine, leading to its accumulation in the synaptic cleft. This accumulation indirectly enhances both muscarinic and nicotinic actions. These agents are classified as reversible or irreversible based on their mechanism of action.     
Irreversible agents form a strong bond with the cholinesterase enzyme, making it inactive. The breakdown of the phosphorylated enzyme is slower than the...
Enhanced Elimination of Poison01:26

Enhanced Elimination of Poison

Poison can be effectively removed from the gastrointestinal (GI) tract through various decontamination procedures.
Antidotes serve a crucial role in counteracting the effects of poison by inhibiting enzymes responsible for producing harmful drug metabolites. In some cases, these toxic metabolites can be neutralized by endogenous cosubstrates, which are maintained at specific concentrations to prevent interaction with cellular macromolecules and subsequent cell death.
Renal excretion is the...