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Ultrasound Obstet Gynecol ; 58(3): 347-353, 2021 Sep.
Artigo em Inglês | MEDLINE | ID: mdl-33428299

RESUMO

OBJECTIVE: To compare the perinatal outcomes between pregnancies with and those without iatrogenic chorioamniotic separation (iCAS) following fetoscopic intervention. METHODS: We performed a search in PubMed, EMBASE, Scopus, Web of Science and Google Scholar from inception up to December 2020 for studies comparing perinatal outcomes between pregnancies that developed and those that did not develop iCAS after fetoscopic intervention for twin-to-twin transfusion syndrome (TTTS), open neural tube defect (ONTD) or congenital diaphragmatic hernia. A random-effects model was used to pool the mean differences (MD) or odds ratios (OR) and the corresponding 95% CI. The primary outcome was neonatal survival. Secondary outcomes included gestational age (GA) at intervention and at delivery, interval from intervention to delivery and incidence of preterm prelabor rupture of membranes (PPROM) and preterm delivery. The methodological quality of the included studies was evaluated using the Newcastle-Ottawa scale. RESULTS: The search identified 348 records, of which seven studies (six on fetoscopic laser photocoagulation (FLP) for TTTS and one on fetoscopic repair for ONTD) assessed the perinatal outcomes of pregnancies that developed iCAS after fetoscopic intervention. Given that only one study reported on fetoscopic ONTD repair, the meta-analysis was limited to TTTS pregnancies and included six studies (total of 1881 pregnancies). Pregnancies that developed iCAS after FLP for TTTS, compared with those that did not, had significantly lower GA at the time of intervention (weeks) (MD, -1.07 (95% CI, -1.89 to -0.24); P = 0.01) and at delivery (weeks) (MD, -1.74 (95% CI, -3.13 to -0.34); P = 0.01) and significantly lower neonatal survival (OR, 0.41 (95% CI, 0.24-0.70); P = 0.001). In addition, development of iCAS after FLP for TTTS increased significantly the risk for PPROM < 34 weeks' gestation (OR, 3.98 (95% CI, 1.76-9.03); P < 0.001) and preterm delivery < 32 weeks (OR, 1.80 (95% CI, 1.16-2.80); P = 0.008). CONCLUSIONS: iCAS is a common complication after FLP for TTTS. In patients undergoing FLP for TTTS, iCAS develops more often with earlier GA at intervention and is associated with earlier GA at delivery, higher risk of PPROM < 34 weeks' gestation and preterm delivery < 32 weeks and lower neonatal survival. Given the limitations of this meta-analysis and lack of literature reporting on other types of fetoscopic intervention, the presented findings should be interpreted with caution and should not be generalized to fetoscopic procedures used to treat other fetal conditions. © 2021 International Society of Ultrasound in Obstetrics and Gynecology.


Assuntos
Parto Obstétrico/estatística & dados numéricos , Ruptura Prematura de Membranas Fetais/epidemiologia , Fetoscopia/efeitos adversos , Complicações Pós-Operatórias/epidemiologia , Nascimento Prematuro/epidemiologia , Adulto , Feminino , Ruptura Prematura de Membranas Fetais/etiologia , Transfusão Feto-Fetal/embriologia , Transfusão Feto-Fetal/cirurgia , Idade Gestacional , Hérnias Diafragmáticas Congênitas/embriologia , Hérnias Diafragmáticas Congênitas/cirurgia , Humanos , Doença Iatrogênica/epidemiologia , Incidência , Recém-Nascido , Defeitos do Tubo Neural/embriologia , Defeitos do Tubo Neural/cirurgia , Razão de Chances , Complicações Pós-Operatórias/etiologia , Gravidez , Resultado da Gravidez , Gravidez de Gêmeos , Nascimento Prematuro/etiologia
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