New approaches in predicting and diagnosing preeclampsia: Congo Red Dot Paper Test (Review)

Area of Science:

• Obstetrics and Gynecology
• Clinical Chemistry
• Maternal-Fetal Medicine

Background:

• Preeclampsia (PE) is a major cause of pregnancy complications, affecting 2.5-7% of singleton and 7-21% of twin pregnancies.
• Current diagnostic methods for PE rely on unreliable clinical markers, leading to suboptimal treatment and significant maternal and fetal morbidity/mortality.
• There is a critical need for simple, affordable, and accurate methods for PE prediction, especially in developing countries.

Purpose of the Study:

• To evaluate the diagnostic and prognostic potential of Congo red staining of urine for detecting misfolded proteins in preeclampsia.
• To introduce an affordable and rapid prediction test for preeclampsia suitable for resource-limited settings.

Main Methods:

• The study utilized Congo red staining to detect misfolded and damaged proteins in urine samples from women with preeclampsia.
• The Congo Red Dot Paper Test was assessed for its speed, ease of use, and diagnostic accuracy.

Main Results:

• The presence of misfolded proteins, detected by Congo red staining, precedes clinical manifestations of PE and correlates with disease severity.
• The Congo Red Dot Paper Test provides results in just 3 minutes, demonstrating significant diagnostic and prognostic potential.
• A negative test result can reduce triage waiting times, prevent unnecessary admissions, and lower healthcare costs.

Conclusions:

• The Congo Red Dot Paper Test is an inexpensive, rapid, and user-friendly method for predicting preeclampsia.
• This test offers significant benefits for obstetrical providers, improving patient management and reducing healthcare expenses.
• The test holds promise as a valuable tool for early PE detection and management, particularly in developing countries.