The purpose of this report is to describe outcomes following laparoscopic transabdominal cervico-isthmic cerclage placement in cases of cervical incompetence not amenable to a conventional transvaginal procedure. We reviewed records of the first 11 patients at an academic teaching hospital who underwent laparoscopic transabdominal cerclage placement as an interval procedure, using a technique we previously first described. For all patients, the clinical course, including surgical complications and outcome of all subsequent pregnancies, is briefly described. One case was complicated by a small bowel injury secondary to concomitant extensive enterolysis. Otherwise there were no complications. Mean estimated blood loss was <40 ml. To date, 10 patients have conceived a total of 12 pregnancies following the procedure. Two pregnancies resulted in spontaneous losses at 8 weeks gestation, two in deliveries by Caesarean section at 34.5 weeks, and eight in deliveries by elective Caesarean section at 38 weeks or more. Each delivery resulted in the birth of a healthy infant. In conclusion, patients who require a transabdominal cerclage may undergo a laparoscopic interval procedure and achieve outcomes similar to those following placement via laparotomy during pregnancy.
Our understanding of the pathophysiologic processes leading to preterm premature rupture of membranes (PPROM) has grown tremendously in recent years. Evidence suggests that there may be a genetic susceptibility to PPROM and that genetic and environmental elements are important cofactors in its development. A number of risk-based protocols have been proposed in an attempt to identify those women at highest risk for PPROM. While we have made advances in the area of predicting PPROM, treatments based on current risk-based systems have failed to distinguish a specific, effective preventive therapy for PPROM. The concept that genetic factors increase susceptibility or decrease resistance to disease has stimulated new work in the field of PPROM. Several maternal and fetal gene polymorphisms have been identified that are associated with an increased risk for PPROM. Patients with 'susceptible' genotypes may also have clinical risk factors for PPROM resulting in a synergistic increase in the risk for PPROM, a so-called gene-environment interaction. The concept that these gene-environment interactions represent new targets for our efforts to prevent PPROM is explored.
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