Brain sparing effect in growth-restricted fetuses is associated with decreased cardiac acceleration and deceleration capacities: a case-control study.

OBJECTIVE: Phase rectified signal averaging (PRSA) is a new method of fetal heart rate variability (fHRV) analysis that quantifies the average acceleration (AC) and deceleration capacity (DC) of the heart. The aim of this study was to evaluate AC and DC of fHR [recorded by trans-abdominal fetal electrocardiogram (ta-fECG)] in relation to Doppler velocimetry characteristics of intrauterine growth restriction (IUGR). DESIGN: Prospective case-control study. SETTING: Single third referral centre. POPULATION: IUGR (n = 66) between 25 and 40 gestational weeks and uncomplicated pregnancies (n = 79). METHODS: In IUGR the nearest ta-fECG monitoring to delivery was used for PRSA analysis and Doppler velocimetry parameters obtained within 48 hours. AC and DC were computed at s = T = 9. The relation was evaluated between either AC or DC and Doppler velocimetry parameters adjusting for gestational age at monitoring, as well as the association between either AC or DC and IUGR with or without brain sparing. RESULTS: In IUGRs there was a significant association between either AC and DC and middle cerebral artery pulsatility index (PI; P = 0.01; P = 0.005), but the same was not true for uterine or umbilical artery PI (P > 0.05). Both IUGR fetuses with and without brain sparing had lower AC and DC than controls, but this association was stronger for IUGRs with brain sparing. CONCLUSIONS: Our study observed for the first time that AC and DC at PRSA analysis are associated with middle cerebral artery PI, but not with uterine or umbilical artery PI, and that there is a significant decrease of AC and DC in association with brain sparing in IUGR fetuses from 25 weeks of gestation to term. TWEETABLE ABSTRACT: Brain sparing in IUGR fetuses is associated with decreased acceleration and deceleration capacities of the heart.

Declining HCV seroprevalence in pregnant women with HIV.

We assessed recent trends in hepatitis C virus (HCV) prevalence in pregnant women with HIV using data from a large national study. Based on 1240 pregnancies, we observed a 3.4-fold decline in HCV seroprevalence in pregnant women with HIV between 2001 (29.3%) and 2008 (8.6%). This decline was the net result of two components: a progressively declining HCV seroprevalence in non-African women (from 35.7% in 2001 to 16.7% in 2008), sustained by a parallel reduction in history of injecting drug use (IDU) in this population, and a significantly growing presence (from 21.2% in 2001 to 48.6% in 2008) of women of African origin, at very low risk of being HCV-infected [average HCV prevalence 1%, adjusted odds ratio (aOR) for HCV 0.09, 95% CI 0.03-0.29]. Previous IDU was the stronger determinant of HCV co-infection in pregnant women with HIV (aOR 30.9, 95% CI 18.8-51.1). The observed trend is expected to translate into a reduced number of cases of vertical HCV transmission.

Maternal cardiac deceleration capacity: a novel insight into maternal autonomic function in pregnancies complicated by hypertensive disorders and intrauterine growth restriction.

OBJECTIVE: To explore maternal cardiac deceleration capacity (DC), a marker of autonomic function derived from electrocardiographic (ECG) signals, in pregnancies complicated by intrauterine growth restriction (IUGR) and hypertensive disorders of pregnancy (HDP) associated to IUGR (HDP-IUGR) or to appropriate for gestational age fetal growth (HDP-AGAf). METHODS: Prospective single center case-control study conducted at Buzzi Children's Hospital, Milan. Maternal ECGs were analyzed by Phase Rectified Signal Averaging (PRSA) method to obtain cardiac DC in women with: HDP-IUGR, HDP-AGAf, severe-IUGR, mild-IUGR and uncomplicated pregnancies. IUGR was defined as abdominal circumference <5th centile; severe-IUGR was associated with umbilical artery Doppler pulsatility index >2 standard deviations. Non-parametric tests were adopted. RESULTS: 269 women were recruited. Women with HDP-IUGR (n=35) showed significantly higher cardiac DC compared both to controls (n=141) (p=0.003) and women with HDP-AGAf (n=18) (p=0.01). Women with severe-IUGR (n=14) showed significantly higher DC than controls (p=0.01). Women with mild-IUGR (n=61) as well as women with HDP-AGAf showed no differences in DC compared to controls (both p=0.3). CONCLUSIONS: Women with pregnancy complicated by severe placental failure, such as HDP-IUGR and severe IUGR, show significant autonomic alterations, as indicated by elevated cardiac DC. On the contrary, pregnancy complications such as HDP-AGAf and mild IUGR show no impact on maternal autonomic balance. We present a new approach to explore maternal autonomic cardiovascular regulation that might reflect the severity of placental vascular insufficiency.

The incidence of complications after caesarean section in 156 HIV-positive women.

OBJECTIVE: To investigate the risks of post-operative complications in HIV-positive mothers who undergo a caesarean section (CS) because the delivery cannot be safely accomplished by the vaginal route or to protect the infant from viral infection. DESIGN: In a multicentre study, we reviewed the incidence and type of post-operative complications in 156 HIV-positive women who underwent a CS. These results were compared with those observed in an equal number of HIV-uninfected women who matched for the indication requiring a caesarean delivery, the stage of labour, the integrity or rupture of membranes, and the use of antibiotic prophylaxis. SETTING: Seven teaching hospitals providing obstetrical care for mothers infected with HIV. RESULTS: We found that six HIV-infected mothers suffered a major complication (two cases of pneumonia, one pleural effusion, two severe anaemia and one sepsis) compared with only one HIV-negative woman who required blood transfusion after surgery. Minor complications like post-operative fever, endometritis, wound and urinary tract infections were significantly more frequent in HIV-positive women than controls. Multivariate analysis revealed that in HIV-infected women the only factor associated with a significant increase in the rate of complications was a CD4 lymphocyte count < 200 x 10(6)/l. CONCLUSIONS: The results of our study indicate that HIV-positive mothers are at an increased risk of post-operative complications when delivered by CS. The risk of post-operative complications is higher in HIV-infected women who are severely immunodepressed.

Perinatal transmission and manifestation of hepatitis C virus infection in a high risk population.

We studied the perinatal transmission of hepatitis C virus (HCV) in 70 high risk mother/infant pairs. Seventy-six percent of the mothers (53 of 70) were coinfected with human immunodeficiency virus (HIV) and 79% (55 of 70) had a history of drug addiction. During the follow-up HCV RNA was detected in 14 of 70 (20%) infants: 12% (2 of 17) in infants born to HIV-negative mothers; and 23% (12 of 53) in infants to HIV-positive mothers. The rate of vertical transmission was significantly higher in vaginally delivered infants than in those delivered by cesarean section (32% vs. 6%; P < 0.05). All 56 uninfected infants lost passively acquired anti-HCV by age 9 +/- 4 months and only 2 of 56 infants (4%) had evidence of HIV infection. Four of 14 HCV RNA-positive infants (29%) had evidence of HIV coinfection. We observed 3 clinical patterns of HCV infection: a transient viremia in 2 infants; an acute pattern in 2 infants; and a chronic pattern in 10 infants. All 4 HIV-coinfected infants had chronic HCV infection. All infants with a chronic pattern, had increased alanine aminotransferase values for more than 6 months and 5 had a liver biopsy that showed signs of chronic persistent hepatitis. HCV perinatal transmission was more frequent in infants born to HIV-coinfected mothers than in infants born to HIV-noninfected women, particularly when delivered vaginally.

Pregnancy in women with different types of von Willebrand disease.

The course and outcome of pregnancy in women with different types of von Willebrand disease (3 type I, 1 subtype IIA, and 1 subtype IIB) are described. In all patients, factor VIII increased and reached normal levels before delivery, whereas the bleeding time remained prolonged; in subtypes IIA and IIB the abnormal multimeric structure of von Willebrand factor remained unchanged. Deliveries were uneventful in all patients, with two spontaneous vaginal deliveries and three cesarean sections, despite the fact that no replacement therapy was given. Hence, the most important determinant of abnormal hemorrhage during delivery is low factor VIII; the prolonged bleeding time can be compensated for by meticulous surgical hemostasis and efficient contraction of the uterus. Replacement therapy with plasma derivatives can usually be avoided providing that normal factor VIII levels have been attained at delivery.

Maternal predictors of HIV vertical transmission.

We performed a retrospective study of 57 HIV-positive pregnant women and their children to look for maternal parameters related to rates of vertical transmission of HIV. Sixteen (28%) infants were HIV-infected. There was no positive correlation between maternal risk factors for HIV and vertical transmission of HIV. Multiparity seemed to be related to a higher prevalence of vertical transmission, whereas neither preterm delivery nor cesarean section resulted in different rates of vertical transmission, although they tended to have some protective effect. Maternal beta 2-microglobulin and serum neopterin levels were not related to different rates of vertical transmission of HIV. CD4+ cell counts did so only when cut-off values of 400/mm3 were taken. All the women in CDC group IV and all the HIV p24 antigen-positive transmitted the infection to their infants, whereas only 7/48 women in CDC groups II and III (P = 0.000006) and 9/48 HIV p24 antigen negative women (P = 0.00006) gave birth to infected infants. No other maternal characteristics were associated with different rates of vertical transmission in a multivariate analysis restricted to women in CDC groups II and III and with HIV p24 antigen negativity.

The changing HIV epidemic in Italian pregnant women.

OBJECTIVE: To describe changes in the characteristics of HIV-pregnant women in Italy and the impact of strategies for prevention of HIV vertical transmission. STUDY DESIGN: Since 1985, HIV-infected women and their children are followed in 23 European centres in the European Collaborative Study (ECS), according to a standard protocol. Eight Italian Obstetric units participating in the ECS enrolled 815 patients. RESULTS: Overall use of zidovudine to reduce HIV vertical transmission has increased significantly since 1994 and between 1995 and 1997, 57% of Italian women were treated. However, 27% of babies received the infant component of the 076 regimen. Over the years, age at delivery has increased and their CD4 count at delivery decreased, most likely reflecting heterosexually infected women with a longer duration of infection. The increasing rate of elective caesarean section (42%) is not related to maternal, foetal or obstetrical indications, but its use as an intervention to reduce HIV vertical transmission. CONCLUSIONS: The identification of HIV-infected women during pregnancy or before delivery ensures the appropriate management of the woman and her child, and clinicians should be aware of the increasing number of women with heterosexual acquisition of HIV-infection who may be less easily identified.

Sleep apnoea syndrome in pregnancy: a case report.

A case of sleep apnoea syndrome in a pregnant patient is reported here. For obstetric reasons, and because of the possibility that a metabolic and respiratory acidosis associated with the apnoea syndrome might have developed, we decided to do a caesarian section. Orotracheal intubation was particularly difficult because of the patient's abnormal mandibular, palatal and retropharyngeal shape, which was probably the underlying cause of the apnoeic syndrome.

[Sex behavior and sexually transmitted diseases in drug-dependent women: study of 465 cases]. / Comportamento sessuale e malattie sessualmente trasmesse nelle donne tossicodipendenti: studio su 465 casi.

465 intravenous drug abuser (IVDA) women were studied to evaluate the prevalence of sexually transmitted diseases, 2207 university students have been considered as control group. A complete gynecological evaluation with Pap smear and cervico-vaginal cultures were performed. Informations on sexual and behavioural patterns were collected using a standard questionnaire. IVDAs show early onset of sexual activity (15 vs. 18 yrs) and many sexual partners; just a small percentage of them use condom, efficacious in the protection against venereal diseases. These peculiar behavioural patterns and the immunodeficiency ascribable to the drug abuse may condition the high frequency of viral and bacterial infections of lower genital tract (53% vs 0.8% and 67% vs 10% respectively). Cervical intraepithelial neoplasia has been found significantly more frequently in IVDA women (16%) than in control group (1%) p less than .01.

Primary thrombocythemia and pregnancy: treatment and outcome in fifteen cases.

Pregnancy in patients with primary thrombocythemia (PT) is reported to be often complicated by recurrent abortion and fetal growth retardation. Fifteen pregnancies in nine patients with PT are reported. Nine pregnancies had a good outcome, with the birth of a healthy infant. There were two spontaneous abortions and three intrauterine deaths. One pregnancy was electively terminated after extensive thrombosis in the splanchnic district requiring surgical entero-resection. In five pregnancies the mother received no treatment; in ten pregnancies acetylsalicylic acid (ASA) was prescribed to the mother as soon as she was found pregnant, subcutaneous heparin was added from the middle trimester in seven cases. In patients treated with ASA and subcutaneous heparin pregnancies had a good outcome. Administration of ASA and heparin during pregnancy appears to improve the outcome in patients with PT and can prevent severe maternal complications, but requires close monitoring.

Sexual transmission of hepatitis C virus and HIV-1 infection in female intravenous drug users.

We examined the relationship between the presence of antibody to HCV and sexually transmitted diseases in 151 female, intravenous drug users aged 17-43 years. Anti-HCV was present in 49 of 66 HIV-1-negative women (74.2%), and 63 of 85 HIV-1-positive women (74.1%). Anti-HCV seropositivity was significantly related to sexually transmitted infections (Ureaplasma urealyticum infections excluded) in HIV-1-seronegative women, but not in HIV-1-positive women. Also, in HIV-1-negative subjects. Trichomonas vaginalis infections (and infections with M. hominis) were significantly related to anti-HCV seropositivity, and a positive relation between the number of sexual partners and the presence of anti-HCV was demonstrated. In HIV-1-positive subjects a shared use of needles and syringes was more likely, and an increased parenteral exposure to HCV may decrease the relative contribution by sexual transmission. However, in HIV-1-negative subjects, sexual transmission of HCV appears to be both a possible and important means of transmission.

Prevention of hemoperitoneum during ovulation by oral contraceptives in women with type III von Willebrand disease and afibrinogenemia. Case reports.

The follicle ruptures at the time of ovulation and fills with blood, forming a corpus hemorrhagicum. Minor bleeding from the follicle into the abdominal cavity may cause peritoneal irritation and, when it occurs in a patient with a defect of primary hemostasis, hemoperitoneum can occur. Von Willebrand disease and afibrinogenemia are two important bleeding disorders in which both primary hemostasis and coagulation are involved. Bleeding during ovulation is one major clinical complication in women with these disease. We have studied three patients with this hemorrhagic complication. Our data show that oral contraceptives are an effective way to avoid hemoperitoneum.

PIP: The follicle ruptures at the time of ovulation and fills with blood, forming a corpus hemorrhagicum. Minor bleeding from the follicle into the abdominal cavity may cause peritoneal irritation and, when occurring in a patient with a defect of primary hemostasis, hemoperitoneum can occur. Von Willebrand disease and afibrinogenemia are 2 important bleeding disorders in which both primary hemostasis and coagulation are involved. Bleeding during ovulation is 1 major clinical complication in women with these diseases. The authors examined 3 patients with this hemorrhagic complication and data show that oral contraceptives are an effective means to avoid hemoperitoneum.

HPV, HIV infection, and risk of cervical intraepithelial neoplasia in former intravenous drug abusers.

The relation between human immunodeficiency virus (HIV), human papilloma virus (HPV) infection, sexual habits, reproductive history, and risk of cervical intraepithelial neoplasia (CIN) has been analyzed in a cross-sectional study conducted since 1986 among female former intravenous drug abusers attending for the first time to the Colposcopic Unit of the Ospedale Luigi Sacco of Milan and women consecutively admitted to the Community for Past Drug Abusers, S. Patrignano, Rimini. A total of 434 subjects entered the study; of those 128 (30%) had a diagnosis of CIN. Compared with HIV-negative subjects, odds ratio (OR) of CIN was 8.0 (95% confidence interval (CI) 4.6-14.1) for HIV-positive ones and the frequency of CIN 2 and 3 was higher in HIV-positive than that in HIV-negative subjects (chi 2(1), trend, 6.67, P 0.01). Compared with women without current HPV infection the OR estimate was 38.0 (95% CI 20.3-71.2) in those with current diagnosis of HPV infection. Considering HIV-positive subjects only, the frequency of CIN increased with stage of HIV infection and was higher in women with lower CD4+ values. Finally, no relation emerged between CIN risk and age, indicators of sexual habits, oral contraceptive use, parity, and history of spontaneous or induced abortions.