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2.
Ultrasound Obstet Gynecol ; 42(4): 434-9, 2013 Oct.
Article in English | MEDLINE | ID: mdl-23616360

ABSTRACT

OBJECTIVE: To document perinatal outcomes following use of the 'Solomon technique' in the selective photocoagulation of placental anastomoses for severe twin-twin transfusion syndrome (TTTS). METHODS: Between January 2010 and July 2012, data were collected from 102 consecutive monochorionic twin pregnancies complicated by severe TTTS that underwent fetoscopic laser ablation at four different centers. We compared outcomes between subjects that underwent selective laser coagulation using the Solomon technique (cases) and those that underwent selective laser coagulation without this procedure (controls). RESULTS: Of the 102 pregnancies examined, 26 (25.5%) underwent the Solomon technique and 76 (74.5%) did not. Of the 204 fetuses, 139 (68.1%) survived up to 30 days of age. At least one twin survived in 82 (80.4%) pregnancies and both twins survived in 57 (55.9%) pregnancies. When compared with the control group, the Solomon-technique group had a significantly higher survival rate for both twins (84.6 vs 46.1%; P < 0.01) and a higher overall neonatal survival rate (45/52 (86.5%) vs 94/152 (61.8%); P < 0.01). Use of the Solomon technique remained independently associated with dual twin survival (adjusted odds ratio (aOR), 11.35 (95% CI, 3.11-53.14); P = 0.0007) and overall neonatal survival rate (aOR, 4.65 (95% CI, 1.59-13.62); P = 0.005) on multivariable analysis. There were no cases of recurrent TTTS or twin anemia-polycythemia sequence (TAPS) in the Solomon-technique group. CONCLUSIONS: Use of the Solomon technique following selective laser coagulation of placental anastomoses appears to improve twin survival and may reduce the risk of recurrent TTTS and TAPS. Our data support the idea of performing a randomized controlled trial to evaluate the effectiveness of the Solomon technique.


Subject(s)
Fetofetal Transfusion/surgery , Fetoscopy/methods , Laser Coagulation/methods , Adult , Arteriovenous Anastomosis/surgery , Female , Humans , Placenta/blood supply , Placenta/surgery , Polycythemia/prevention & control , Polyhydramnios/prevention & control , Pregnancy , Pregnancy Outcome , Pregnancy, Twin , Retrospective Studies , Secondary Prevention
3.
Ultrasound Obstet Gynecol ; 37(6): 696-701, 2011 Jun.
Article in English | MEDLINE | ID: mdl-21337440

ABSTRACT

OBJECTIVES: To report the feasibility of early fetal cystoscopy for the prenatal diagnosis and therapy of severe first-trimester megacystis. METHODS: Between January 2008 and February 2010, early fetal cystoscopy at 16 weeks of gestation was offered to 15 patients whose fetuses presented with severe first-trimester megacystis. All infants were followed up for 6-12 months after birth. Autopsy was always performed whenever fetal or neonatal deaths occurred. RESULTS: Seven patients decided to undergo fetal therapy, and eight elected to continue with expectant observation. One fetus died before early fetal cystoscopy was performed. Therefore, six fetuses underwent early fetal cystoscopy. Urethral atresia was diagnosed in three fetuses during fetal cystoscopy and confirmed at autopsy following termination of pregnancy at 19-20 weeks in all cases. Posterior urethral valves were diagnosed and successfully fulgurated by laser during early cystoscopy in three fetuses, two of which survived with normal renal and bladder function after birth; the remaining fetus had a postnatal diagnosis of megacystis-microcolon intestinal hypoperistalsis syndrome and died neonatally. In the expectantly managed group, no survivals were observed, even among cases with 'isolated' posterior urethral valves. CONCLUSIONS: Percutaneous early fetal cystoscopy is feasible for prenatal diagnosis and therapy of severe megacystis.


Subject(s)
Cystoscopy/methods , Ultrasonography, Prenatal/methods , Urinary Bladder/surgery , Duodenum/abnormalities , Duodenum/diagnostic imaging , Duodenum/embryology , Duodenum/surgery , Feasibility Studies , Female , Fetal Diseases/diagnostic imaging , Fetal Diseases/surgery , Humans , Infant , Infant, Newborn , Laser Therapy/methods , Male , Pregnancy , Pregnancy Outcome , Pregnancy Trimester, First , Prenatal Diagnosis , Prospective Studies , Urethra/abnormalities , Urethra/diagnostic imaging , Urethra/surgery , Urinary Bladder/abnormalities , Urinary Bladder/diagnostic imaging , Urinary Bladder/embryology
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