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Objectives In 2002 there was an increase in the incidence of Bacillus species sepsis in our NICU that was almost completely resolved in 2003–2004 after the NICU was relocated. Our aims were to identify the source, the risk factors, and to characterize the clinical features of these infections. Methods The epidemiological investigation commenced during the outbreak and thereafter. The patient's data were collected retrospectively and a case control study was used to analyze the risk factors. Results There were eight cases of Bacillus species sepsis: five during 2002, two in 2003, and one in 2004. All infants recovered and salvaging percutaneous central venous catheter (PCVC) was successful in 4/6 of the cases. A case control study identified necrotizing enterocolitis (NEC) and PCVC as risk factors in univariate analysis but only NEC in multivariate analysis. No focal source of Bacillus bacteria was identified, but a high load of bacteria was found in the NICU's air before it was relocated. Conclusion The risk factors for Bacillus species sepsis in our NICU were NEC and PCVC. The clinical course was milder than previously described, and PCVC was successfully salvaged in most cases. The increase in the incidence could be related to the construction work connected with NICU's relocation.

To assess whether elevated levels of estriol (E3) in pregnancy are a factor in the fetal environment associated with undescended testes, we carried out a two-part study: case-control followed by a retrospective cohort study on cryptorchid boys born in the Sapir Medical Center (Kfar Saba, Israel). We found significantly lower pregnancy urinary E3 levels in cryptorchid newborns as compared to controls; however, subgroup comparison yielded significantly higher pregnancy unconjugated E3 levels in the infants who underwent orchiopexy as compared to those who did not.

Objective We examined the effect of intrauterine growth restriction on mortality and morbidity in the Israel cohort of very low birth weight premature infants. Methods The study population included 2764 singleton very low birth weight infants without congenital malformations born from 24 to 31 weeks of gestation during 1995 to 1999. Four hundred six (15%) were born small for gestational age (SGA). The effect of SGA on death, bronchopulmonary dysplasia, and retinopathy of prematurity was assessed using multiple logistic regression analysis. Results After adjustment for perinatal risk factors, SGA infants had a 4.52-fold risk for death (95% CI, 3.24-6.33), a 3.42-fold risk for bronchopulmonary dysplasia (95% CI, 2.29-5.13), and a 2.06-fold risk for grade 3 to 4 retinopathy of prematurity (95% CI, 1.15-3.66). Conclusions SGA premature infants had an increased risk for death, and major morbidity among survivors was increased.

A huge pericardial effusion was diagnosed during fetal ultrasound examination performed in the 42nd week of pregnancy on a healthy 25-year-old woman. Immediately after the birth, a two-dimensional echocardiogram confirmed this finding in the infant, and an intrapericardial kidney-shaped solid mass measuring 45 × 56 × 15 mm, completely surrounded by pericardial effusion, was visualized to the left part of the heart. The heart was normal. No signs of cardiac tamponade were seen. At the age of two days, the mass was surgically resected and the pericardial fluid evacuated. Microscopic examination revealed that the mass was formed totally of normal lung tissue surrounded by normal pleura. To the best of our knowledge, this is the first case of intrapericardial extralobar sequestration consisting of an accessory lung with completely normal lung tissue. EPS = extralobar pulmonary sequestration