Fetal diagnosis and therapy · 2014
Is the Sequential Laser Technique for Twin-to-Twin Transfusion Syndrome Truly Superior to the Standard Selective Technique? A Meta-Analysis.
СтатьяМетаанализПоддержка исследования: вне правительства СШАНазвание и аннотация: Перевод в очереди
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Akkermans Joost, Peeters Suzanne H, Klumper Frans J, Middeldorp Johanna M, Lopriore Enrico, Oepkes Dick
Аннотация
BACKGROUND AND OBJECTIVE: To investigate the efficacy of sequential laser coagulation in the treatment of twin-to-twin transfusion syndrome (TTTS).
DATA SOURCES: MEDLINE, EMBASE and the Cochrane Library were systematically searched for comparative studies on the efficacy of sequential versus standard selective laser coagulation for TTTS. The primary outcome measure in these studies was survival of at least one twin, both twins and fetal demise.
RESULTS: Three cohort studies comparing the selective laser treatment technique (n = 120) versus the sequential technique (n = 224) in 344 monochorionic twin pregnancies were included. Mean survival of at least one twin was 88% in the selective group versus 92% (p = 0.22) in the sequential group. Mean survival of both twins was lower in the selective group (52%) than in the sequential group (75%) (p = 0.002). Donor fetal demise decreased from 34% in the selective to 10% in the sequential group (p < 0.01), and recipient fetal demise decreased from 16 to 7% (p = 0.02).
CONCLUSION: Limited evidence suggests improved double neonatal survival as well as decreased donor and recipient fetal demise with the use of the sequential technique. However, these results are based on small non-randomized studies with evident forms of bias and methodological limitations. A randomized controlled trial to assess the efficacy of sequential laser technique is therefore required.
DATA SOURCES: MEDLINE, EMBASE and the Cochrane Library were systematically searched for comparative studies on the efficacy of sequential versus standard selective laser coagulation for TTTS. The primary outcome measure in these studies was survival of at least one twin, both twins and fetal demise.
RESULTS: Three cohort studies comparing the selective laser treatment technique (n = 120) versus the sequential technique (n = 224) in 344 monochorionic twin pregnancies were included. Mean survival of at least one twin was 88% in the selective group versus 92% (p = 0.22) in the sequential group. Mean survival of both twins was lower in the selective group (52%) than in the sequential group (75%) (p = 0.002). Donor fetal demise decreased from 34% in the selective to 10% in the sequential group (p < 0.01), and recipient fetal demise decreased from 16 to 7% (p = 0.02).
CONCLUSION: Limited evidence suggests improved double neonatal survival as well as decreased donor and recipient fetal demise with the use of the sequential technique. However, these results are based on small non-randomized studies with evident forms of bias and methodological limitations. A randomized controlled trial to assess the efficacy of sequential laser technique is therefore required.