ReviewCureus2022
Cell-Free Fetal Deoxyribonucleic Acid (cffDNA) Analysis as a Remarkable Method of Non-Invasive Prenatal Screening.
Review in Cureus, 2022. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 2 papers.
What it found
Each row is one number read from the abstract, on the scale the paper reported it, with its interval. Left of the dashed line favours the treatment, right favours the comparator. Under each row is the sentence it came from. New to these charts? A ten-minute tutorial.
The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.
The trial behind it
Trials whose registry record cites this paper, or whose number appears in the abstract. A trial that started after this paper was published is citing it as background, not reporting it.
Neither the registry nor the abstract names a trial number. If this is a trial report, that itself is worth knowing.
Who cites it
2 citing papers in PubMed.
- Non-Invasive Prenatal Testing (NIPT): Reliability, Challenges, and Future Directions.Diagnostics (Basel, Switzerland) · 2023Review
- DNA Methylation in the Fields of Prenatal Diagnosis and Early Detection of Cancers.International journal of molecular sciences · 2023Review
Corrections and comments
PubMed lists nothing against this paper. Absence here is not a guarantee, only a check that was made.
Authors and funding
2 authors.
Funding
No grant is acknowledged in the PubMed record.
Abstract
The cell-free fetal DNA (cffDNA) analysis for screening fetal genetic anomalies has increased dramatically since its commercialization in 2011 worldwide. In the early weeks of pregnancy, it offers a hassle-free, non-invasive procedure of antenatal screening. It guides and protects mothers from undergoing unwanted risk-laden invasive prenatal testing. cffDNA testing is accurate at detecting the abnormal fetus chromosome among a large pool population. Patau syndrome, Edward syndrome, and Down syndrome are currently being accurately screened by this method. Due to their sensitivity and specificity, they now have become the screening method of choice, approaching almost 100% in various studies with a large sample pool. The latest procedures to analyze cffDNA, like the new digital droplet polymerase chain reaction (ddPCR) and sophisticated next-generation sequencing (NGS), have increased detection rates with decreased analyzing time. The latest techniques make it possible to screen large numbers of the population with faster report generation. Screening for Rh incompatibility and its timely prevention is now more accessible and more accurate with the help of cffDNA analysis. The problem arises when we deviate from the primary disease and start testing for anomalies not intended to be screened by cffDNA in the first place. Fetal sex chromosome aneuploidy screening by cffDNA is one area where the test gives mixed results either due to differences in machinery, laboratory parameters, or human error. Other rare occurrences like trisomes, such as trisomy 7, trisomy 16, trisomy 22, and a few microdeletion syndromes are also being screened but with less accuracy. Like every technology, cffDNA analysis is not entirely free of criticism. Its high testing cost, potential to accurately prognosticate the gender of the developing fetus and absence of standard testing practices will become an issue as the test becomes routine worldwide.
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Registered trials
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