Associação entre a técnica de fechamento uterino na cesárea e a istmocele: uma visão global / Association between uterine closure technique after cesarean and isthmocele: an overview

A istmocele (ou "defeito cicatricial de cesariana") é uma alteração anatômica na parede uterina responsável por formar um "nicho", que é visualizado como uma área hipoecoica por histerografia ou por outros métodos de imagem, devido a uma cicatrização inapropriada de uma cesárea anterior. Essa modificação leva a complicações ginecológicas e obstétricas. Este estudo pretendeu analisar, entre os fatores de risco, a relação da istmocele com a técnica de fechamento uterino, comparando a sutura em camada simples com a dupla. Foi realizada uma revisão de literatura por meio de pesquisa bibliográfica em diferentes bases de dados eletrônicos. Foram encontrados 31 artigos, todavia apenas 13 estudos foram incluídos no presente estudo após avaliação criteriosa. A técnica de fechamento uterino é um dos fatores de risco possível de prevenir, sendo que a sutura em camada simples é associada a maior chance de se desenvolver a istmocele. A sutura de camada simples (ancorada) incluindo o endométrio está relacionada a menor espessura miometrial residual, associada a probabilidade de ruptura uterina e a istmocele, que a camada dupla não ancorada com a exclusão do endométrio.(AU)

The isthmocele is an anatomical alteration in the uterine wall responsible for forming a "niche", which is visualized as a hypoechoic area by hysterography or other imaging methods, due to inappropriate healing of a previous cesarean section. This modification leads to gynecological and obstetric complications. This study aimed to analyze among the risk factors the relation of isthmocele and the uterine closure technique comparing the single- and double-layer suture. It was conducted an electronic based search in different electronic databases. The research led to the retrieval of 31 articles; however only 13 studies were included in the present research after careful reading. The uterine closure technique is one of the possible risk factors to be modified; the single-layer suture is associated with a greater chance of developing isthmocele. The locked single-layer suture including the decidua is related to the decreased residual myometrial thickness, associated with the likelihood of uterine rupture and the isthmocele, than the double-layer unlocked excluding the decidua.(AU)

Does staged closure have a worse prognosis in gastroschisis?

INTRODUCTION: Correction of gastroschisis can be accomplished by primary or staged closure. There is, however, no consensus regarding the best approach or criteria to favor one method over the other has been established. OBJECTIVE: To compare the outcome of primary and staged closure in newborns with gastroschisis using intravesical pressure (IVP) as the decision criterion. PATIENTS & METHODS: We prospectively analyzed 45 newborns with gastroschisis. An IVP with a threshold of 20 cm H2O was used to indicate primary or staged closure, and the outcomes between the two methods were compared. RESULTS AND DISCUSSION: Newborns in whom primary closure was feasible were born at a lower gestational age. There was no significant difference in the frequency of complications, time to begin oral feeding, length of parenteral nutrition or length of hospital stay. Compared with previous reports, our data showed higher rates of prenatal diagnosis and cesarean delivery, a lower average birth weight, a higher rate of small gestational age babies and a more frequent association with intestinal atresia. Conversely, our data showed a lower rate of postoperative necrotizing enterocolitis and a lower average length of hospital stay. CONCLUSION: No significant difference was observed in the outcome of newborns who underwent primary closure or staged closure of gastroschisis when using an IVP below 20 cm H2O as the criterion for primary closure.