Understanding Thiel embalming in pig kidneys to develop a new circulation model

Area of Science:

• Anatomical preservation techniques
• Vascular embalming research
• Organ preservation methods

Background:

• Thiel embalming quality varies, necessitating research into mechanisms.
• Understanding embalming volume and vascular distribution is key to improving applications.
• Previous studies lack detailed analysis of solution spread and its impact on preservation.

Purpose of the Study:

• To investigate the vascular distribution of Thiel embalming solution in pig kidneys.
• To assess the effect of different reperfusion agents on organ preservation and stability.
• To determine the efficacy of dehydration in restoring organ volume and weight post-embalming.

Main Methods:

• Vascular embalming of pig kidneys with and without contrast agent.
• Computed tomography imaging to visualize embalming solution distribution.
• Post-embalming dehydration using concentrated salt solutions.
• Pump-driven reperfusion with paraffinum perliquidum or diluted polyethylene glycol.

Main Results:

• Thiel embalming solution spread diffusely in kidneys, with some fluid accumulation.
• Dehydration significantly reduced kidney weight and volume (P < 0.01).
• Paraffinum perliquidum filled vessels and tissue; diluted polyethylene glycol spread widely.
• Reperfusion with paraffinum perliquidum showed stable weight, volume, and pressure.
• Reperfusion with diluted polyethylene glycol led to increased weight, volume, and pressure.

Conclusions:

• Arterial embalming of kidneys ensures successful preservation via complete parenchymal spread.
• Dehydration is an effective method for restoring organs to their initial state.
• Prolonged reperfusion with paraffinum perliquidum is feasible without adverse volume or pressure changes.