The impact of laser therapy on fetal growth discordance in twin-to-twin transfusion syndrome



Título del documento: The impact of laser therapy on fetal growth discordance in twin-to-twin transfusion syndrome
Revista: Revista brasileira de saude materno infantil
Base de datos: PERIÓDICA
Número de sistema: 000280862
ISSN: 1519-3829
Autors: 1
2


Institucions: 1Universidade Federal Fluminense, Centro de Ciencias da Saude, Rio de Janeiro. Brasil
2Centre Hospitalier Intercommunal de Poissy-Saint-Germain en Laye, Gynecologie Obstetrique, Poissy, Saint-Germain-en-Laye. Francia
Any:
Període: Jul-Sep
Volum: 5
Número: 3
Paginació: 313-317
País: Brasil
Idioma: Inglés
Tipo de documento: Artículo
Enfoque: Descriptivo
Resumen en inglés OBJECTIVES: to evaluate the impact of laser therapy on inter-twin discordance in twin-to-twin transfusion syndrome (TTTS). METHODS: biparietal diameter (BPD), head circumference (HC), abdominal circumference (AC), femur length (FL) and estimated fetal weight were prospectively collected during a five-year period (1999 to 2004). The inter-twin discordance was expressed as a percentage of the largest twin's measurements. The measurements were made the day before laser, twice following laser and after delivery. The mean values of discordance in measurements and in fetal weight were calculated. ANOVA was used to compare mean values. RESULTS: the mean (SD) discordance for BPD, HC, AC, FL and estimated fetal weight the day before laser were 8.53% (5.28), 8.75% (2.76), 16.19% (4.85), 12.92% (5.13) and 28.50% (6.46) respectively. At the at 2nd ultrasound assessment after surgery were 4.37% (3.55), 3.73% (2.71), 8.90% (4.42), 6.61% (4.99) and 19.11% (8.01) respectively; and at birth the weight discordance was 18.55% (8.74). There was a significant decrease in discordance for HC and AC for each ultrasound assessment. CONCLUSIONS: there was a decrease in fetal growth discordance following laser therapy in TTTS. These changes might be related to re-adaptation of blood flow following laser therapy
Resumen en portugués OBJETIVOS: avaliar impacto da terapia a laser no crescimento fetal na Sindrome de transfusão feto-fetal (STFF). MÉTODOS: diâmetro biparietal (DBP), circunferência cefálica (CC) e abdominal (CA), comprimento do fêmur (CF) e peso fetal foram colhidos prospectivamente no período de cinco anos (1999 a 2004). A discordância entre os gêmeos foi expressa como porcentagem da medida do maior. As medidas foram feitas um dia antes do laser, duas vezes após e depois do nascimento. A cada exame e pós-parto foram calculadas médias das discordâncias entre medidas e peso fetal. ANOVA foi usada para comparar as médias. RESULTADOS: a discordância média (SD) para DBP, CC, CA, CF e peso fetal um dia antes do laser foi 8,53% (5,28), 8,75% (2,76), 16,19% (4,85), 12,92% (5,13) e 28,50% (6,46). No segundo exame pós-laser os resultados foram 4,37% (3,55), 3,73% (2,71), 8,90% (4,42), 6,61% (4,99) e 19,11% (8,01); e a discordância do peso fetal ao nascimento foi 18,55% (8,74). Houve diminuição significativa na discordância para CC e CA em cada exame. CONCLUSÕES: houve redução significativa na discordância do crescimento fetal após o laser na STFF. Estas alterações podem estar relacionadas à readaptação dos fluxos sangüíneos após tratamento
Disciplines Medicina
Paraules clau: Ginecología y obstetricia,
Transfusión feto-feto,
Coagulación,
Láser,
Fetoscopia,
Brasil
Keyword: Medicine,
Gynecology and obstetrics,
Fetus-fetus transfusion,
Coagulation,
Fetoscopy,
Brazil,
Laser
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