BACKGROUND Although rare, placental abruption is implicated in disproportionately high rates of perinatal morbidity and mortality. Understanding geographic and temporal variations may provide insights into possible amenable factors of abruption. We examined abruption frequencies by maternal age, delivery year, and maternal birth cohorts over three decades across seven countries. METHODS Women...

Surgical Site Infections Surveillance in Japan: Toward the Better Stratification Keita Morikane, MD, PhD; Akihiro Sawa, PharmD; Junzo Shimizu, MD, PhD; Hisami Tanimura, RN, CNIC; Yasushi Harihara, MD, PhD; Infection Control, Yamagata University Hospital, Yamagata, Japan; Hiroshima International University, Kure, Japan; Osaka Rosai Hospital, Sakai, Japan; NTT Kanto Hospital, Tokyo, Japan; Surger...

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Vol. 41, No. 3, 1998 Visit Our Web Site at http://www.faseb.org/aps 109 (continued on page 111) The Institute for Scientific Information (ISI) publishes Impact Factors for 60 journals in its Physiology category. Table 1 provides a ranking of the top 16 physiology journals in 1996. This Impact Factor is based on the citations to a journal of items published in 1995 and 1996, divided by the total...

The relationships between genotype and placental traits, parity and litter weight (LW), and factors affecting these characteristics were investigated in this study. In total, 112 ewes (Romanov crossbred and local breeds) were utilized. One-way ANOVA was used for statistical comparison, and a Pearson correlation was used to determine the relationships between the variables. Significant differenc...

BACKGROUND Invasive mole is responsible for most cases of localized gestational trophoblastic neoplasia. Gestational trophoblastic disease describes a number of gynecologic tumors that originate in trophoblastic layer including hydatidiform mole (complete or partial), invasive mole, choriocarcinoma, placental site trophoblastic tumor and epitheloid trophoblastic tumor. Invasive mole may arise f...

OBJECTIVE: The aim of the present study was to compare the placental weight and birth weight/placental weight ratio for intrauterine growth-restricted and non-intrauterine growth-restricted monochorionic and dichorionic twins. METHODS: This was a retrospective analysis of placentas from twin pregnancies. Placental weight and the birth weight/placental weight ratio were compared in intrauterin...

In this paper we present a theoretical description of the accessibility of nucleosomal DNA to proteins. We reassess the classical analysis of Polach and Widom (1995) who demonstrated that proteins (in their case restriction enzymes) gain access to buried binding sites inside a nucleosome through spontaneous unwrapping of DNA from the protein spool. We introduce a straightforward nucleosome mode...

Introduction / objectives Since surgical site infections (SSIs) arise before and after discharge from the hospital, post discharge surveillance (PDS) of SSIs is inevitable for proper surveillance. Two methods of PDS are recommended by the Dutch surveillance network (PREZIES). Duration of PDS normally is 30 days or 1 year after surgery for implant-free and implant surgery respectively. We compar...

Background Hemoperitoneum is a life-threatening surgical emergency. Diagnosis of the cause is often difficult, in particular, during pregnancy when it may be either obstetric or nonobstetric. Case We report the case of a hemoperitoneum caused by the backflow of blood through a uterine tube, due to placental abruption. Conclusion Hemoperitoneum in pregnant women with no other signs can reveal pl...