Breakthrough from India: IIT Madras Unveils Innovative Pre-eclampsia Diagnostic Tool

Chennai Scientists Develop Cost-effective Pre-eclampsia Test
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Pre-eclampsia affects approximately 2–8% of pregnancies globally, with higher rates in developing countriesRepresentative Image: FreePik
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Pre-eclampsia is a dangerous pregnancy complication that strikes millions of women globally. Triggered by high blood pressure and possible organ damage, it typically arises after the 20th week of gestation. If not treated, it can lead to eclampsia, a potentially fatal condition characterized by seizures that can harm both mother and child.

Early diagnosis is critical, but early detection is a worldwide challenge, particularly in low-resource environments.

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Pre-eclampsia has even affected some famous faces. In 2011, music icon Mariah Carey suffered complications during her pregnancy with twins, later revealing that she had pre-eclampsia that led to a cesarean delivery.

In the same way, Kim Kardashian has talked candidly about how she suffered with the condition when she was pregnant with both of her children. She also had placenta accreta, which is more medically complicated and needs to be delivered early. They both show how pre-eclampsia is something that doesn't discriminate, and why it's so vital that detection needs to improve.

Symptoms to be aware of

Signs of pre-eclampsia are:

  • Blood pressure over 140/90 mmHg

  • Protein in urine

  • Swelling of the face, hands, or feet

  • Serious headache or changes in vision

  • Rapid weight gain and upper abdominal pain

The illness may quickly get out of hand, making easy, speedy testing paramount.

Game-changer innovation in maternity care by Chennai

Pre-eclampsia can be detected earlier with ease. Scientists at the Indian Institute of Technology Madras (IIT Madras) are bringing new hope. They have designed a point-of-care (PoC) biosensor that is able to diagnose pre-eclampsia cheaply and quickly. This could be a game-changer, particularly for rural and underserved communities.

Point-of-Care (PoC) Biosensor
The biosensor employs plasmonic fiber optic absorption to identify placental growth factor (PlGF), a critical biomarker for pre-eclampsia, at very low (femtomolar) levels. It gives results within 30 minutes, with high accuracy and sensitivity, from a small sample (30 µL).
Front view pregnant woman at home
Low-dose aspirin and calcium supplementation are recommended for high-risk women to prevent pre-eclampsia. ​Magnesium sulfate is widely used to prevent the progression of pre-eclampsia to eclampsia. Representative Image: FreePik

Optimized for real-world conditions.

The squad was intent on developing a solution with the "3S" needs: speed, sensitivity, and specificity. Unlike standard tests, which must be conducted under the guidance of skilled professionals in expensive laboratory apparatus, this sensor is portable, easy to use, and environmental. It comprises renewable materials and eschews toxic chemicals and thus can flourish in resource-challenged conditions.

Confirmed, verified, and future-proofed

The study on PubMed attests that the biosensor has gone through intense analytical, bioanalytical, and clinical testing phases. It has passed through the Technology Readiness Levels (TRL), meaning that it is nearly ready for mass use and commercialization.

A multi-institutional effort

The biosensor project involved collaboration among professionals from IIT Madras, Vellore Institute of Technology, and Sri Narayani Hospital and Research Centre. The main people involved are Professor V.V. Raghavendra Sai, Dr. Ratan Kumar Chaudhary, Dr. Narayanan Madabossi, Dr. Jitendra Satija, Dr. Balaji Nanda Gopal, and Dr. Ramprasad Srinivasan.

Future prospects: Indian lab's global influence

Though intended for pre-eclampsia, this biosensor has the potential to screen for infectious and non-infectious diseases as well. Its rapidity, ease of use, and cost-effectiveness make it a handy diagnostic device.

In India alone, where pre-eclampsia is found to impact up to 10% of pregnancies, such technologies could dramatically cut maternal and perinatal mortality. With larger-scale validation and deployment, this Chennai-born solution could soon be boosting pregnancy care worldwide.

(Input from various sources)

(Rehash/Muhammad Faisal Arshad/MSM)

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