A Matzkel

Hebrew University of Jerusalem, Yerushalayim, Jerusalem, Israel

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Publications (10)14.71 Total impact

  • R Goldchmit · Y Zalel · U Elchalal · A Matzkel · R Dgani

    No preview · Article · May 1995 · Israel journal of medical sciences
  • U Elchalal · A Matzkel · A Weissman · V Insler · T Ezri · D Soroker

    No preview · Article · Sep 1993 · Israel journal of medical sciences
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    ABSTRACT: To establish the reliability of two rapid tests for detection of group B streptococcus, the new enzyme-linked immunosorbent assay (ELISA) and the Gram stain. In addition, we wished to determine whether the combination of these tests would increase test sensitivity. During a 2-year period, cervical secretions from 660 patients who presented with either premature rupture of membranes or preterm labor at a gestational age of 37 weeks or less were tested by three methods: the Equate ELISA test, a Gram stain smear, and a culture for group B streptococcus. Results of the rapid tests were compared with the corresponding culture results. Cultures were positive for group B streptococcus in 50 patients, a prevalence of 7.5%. The sensitivity for the Equate ELISA test was 24% and for the Gram stain, 20%. Specificity was 95 and 89%, respectively. When results of these tests were combined, the sensitivity increased to 26%. Both rapid tests yielded a high rate of false positives. In more than 50% of false-positive cases, bacteria other than group B streptococcus were isolated. Neither the Gram stain nor the Equate ELISA test is sensitive enough to be used as a screening test for the identification of group B streptococcus. Furthermore, the combination of both rapid tests yielded only a slight increase in sensitivity. The high false-positive rate of the ELISA test seems to be related to a cross-reactivity of the anti-group B streptococcal antibody with other cervical bacteria.
    No preview · Article · Aug 1993 · Obstetrics and Gynecology
  • S Lurie · Z Hagay · A Matzkel
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    ABSTRACT: An unusual case of acute abdomen as a distinct manifestation of severe preeclampsia is described. At laparotomy all other causes of the abdominal emergency were excluded. Among the many manifestations of preeclampsia one must now include the diagnosis of acute surgical abdomen.
    No preview · Article · Jul 1993 · The Journal of reproductive medicine
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    Full-text · Article · Nov 1992 · Canadian Journal of Anaesthesia
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    ABSTRACT: The charts of all diabetic women and their infants delivered during the years 1983-1988 in our department were reviewed. The test group included consecutive gestational diabetic women class A1 (n = 65) and class A2 (n = 59), who delivered beyond 40 weeks of gestation. The mean gestational age at delivery was 40.90 weeks (range, 40.0 to 42.57) in class A1 and 40.49 weeks (range, 40.0 to 42.28) in class A2 patients. The first control group matched for age, parity, and presentation included 65 gestational diabetic patients class A1 and 59 A2 who delivered prior to 40 weeks' gestation. The second control group matched for age, parity, and presentation included 124 nondiabetic patients who delivered beyond 40 weeks of gestation (mean, 41.04 +/- 0.83 weeks). By allowing the pregnancies of gestational diabetic patients class A1 and class A2 to proceed beyond 40 weeks of gestation, we did not increase the incidence of perinatal mortality and morbidity rate. The cesarean section rate was low (10.76% in class A1 and 22.03% in class A2). We suggest that not only elective intervention prior to 40 weeks of gestation is to be avoided, but an attempt should be made to allow the gestational diabetics class A1 and class A2 to proceed to spontaneous labor.
    No preview · Article · Sep 1992 · American Journal of Perinatology
  • Samuel Lurie · Avi Matzkel
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    ABSTRACT: Influence of epidural anesthesia on the duration of labor was studied in 1,206 parturients having spontaneous singleton vaginal delivery. In primiparous women, the mean first stage was 3.52 hr in the epidural group, and 7.68 hr in the control group (p less than 0.001), the mean second stage was 25.78 min in the epidural group, and 43.58 min in the control group (p less than 0.001). In the multiparous women, the mean first stage was 2.06 hr in the epidural group, and 3.85 hr in the control group (p less than 0.001), the mean second stage was 17.06 min in the epidural group, and 25.42 min in the control group (p less than 0.0001). The conclusion is that epidural anesthesia shortens the duration of first and second stages of labor in singleton vaginal delivery.
    No preview · Article · Oct 1991 · Asia-Oceania journal of obstetrics and gynaecology / AOFOG
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    ABSTRACT: The course of labour in 22 patients with antepartum fetal death who received epidural anaesthesia was evaluated as compared to 22 controls matched for parity and gestational age, who received narcotic pain relief. Both groups had similar preinduction cervical dilatation and the induction was performed by amniotomy and oxytocin infusion. The mean first stage of labour was 5.4 hours in the epidural group, and 8.7 hours in the controls (p = 0.0192). The mean cervical dilatation rate was 3.3 cm/hour and 1.0 cm/hour respectively (p = 0.0142). The second stage was similar in both groups. We conclude, that parturients receiving epidural anaesthesia may benefit both emotionally and physically from excellent pain relief and a shorter delivery process when going through the distressing experience of delivering a dead fetus.
    No preview · Article · Sep 1991 · Australian and New Zealand Journal of Obstetrics and Gynaecology
  • S Lurie · M Feinstein · I Blickstein · B Caspi · A Matzkel
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    ABSTRACT: One thousand seven hundred eighty-seven epidural anesthesias during labor were performed by obstetricians well trained in the technique by the anesthesiology department. The course of labor was accelerated compared to control group. Vacuum extraction rate was 11.9%. Fetal outcome was favorable. Incidence of major complications was 0.16%. We conclude that in countries where an anesthetist is not routinely available at delivery wards, a safe and efficient epidural anaesthesia could be performed by an obstetrician well trained in administration of epidural anesthesia.
    No preview · Article · Apr 1991 · International Journal of Gynecology & Obstetrics
  • A Matzkel · S Lurie · U Elchalal · I Blickstein
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    ABSTRACT: A case of placental abruption during air travel is described. None of the known predisposing factors could be demonstrated. Although it may be a true coincidence, the connection between the abruption and the flight could not be totally excluded. Safety of air travel in pregnant women is discussed, and it may be summed-up that flying is not contraindicated in uncomplicated pregnancy.
    No preview · Article · Feb 1991 · Journal of Perinatal Medicine