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Biomedical subjects

T Paszkowski

Publications and source records attributed to T Paszkowski.

At least 37 records · Page 2Linked to original sources

[Microbiological evaluation of the effectiveness of gynalgin in the treatment of vaginitis].

The microbiological effectiveness of the preparation Gynalgin produced by POLFA Pharmaceutical Works in Rzeszów was assessed in cases of vulvovaginitis in 55 patients with clinically diagnosed inflammatory conditions of the lower genital tract, who were given Gynalgin tablets in 10-day courses. Vaginal smears were examined three times for the presence of bacteria, fungi and trichomonas vaginalis (before and immediately after the treatment, and two weeks later). In the initial examination in five vaginal smears mixed bacterial flora was found, in 6 smears trichomonas was present, in 4--bacteria and fungi, and in one--trichomonas and fungi. After the treatment in control examinations I and II the number of the isolated bacterial strains was lower, trichomonas was no longer present, and the number of fungi was reduced evidently. In the light of these microbiological examinations Gynalgin was found to exert a strong fungicidal, bactericidal and antitrichomonal activity, and the results of laboratory investigations agreed with those of clinical trials of Gynalgin effectiveness.

Animals↗

Human colostrum as a source of organohalogen xenobiotics for a breast-fed neonate.

The concentrations of p,p'-isomers of DDT, DDE, and DDD, and alpha, beta, and gamma isomers of hexachlorohexane (HCH), hexachlorobenzene (HCB), polychlorinated biphenyls (PCBs) were determined by means of gas-liquid chromatography in 3/4 postpartum day colostrum of 54 normal women. The milk levels of t-DDT, t-HCH, HCB, and PCBs correlated significantly with one another. The contents in milk of all the studied organohalides significantly increased with maternal age. The average daily intakes of t-DDT and PCBs were estimated for the studied neonates. Values exceeding the Acceptable Daily Intake values (ADIs) recommended by the WHO for t-DDT and PCBs were found for 70.4% and 24.1% of subjects, respectively. The present study confirms the trends in organohalogen residues of human milk observed by us in the studied region's inhabitants during the 17 years of monitoring (1970-1987), i.e., a consistent decline in t-DDT levels and an increase in PCB content in the present decade as compared to the 1970s. In conclusion, despite legal restrictions in their usage, the contamination with organohalides persist in human milk at a level that may result in neonatal alimentary exposure exceeding the recommended daily intakes.

Adult↗

Zinc status in women with premature rupture of membranes at term.

Zinc concentrations were measured by atomic absorption spectrometry in whole blood, scalp hair, pubic hair, and colostrum from patients at term with and without premature rupture of membranes (PROM). A maternal zinc index was established for each patient, expressed as an average ranking of the four determinations. The mean +/- SD value of the maternal zinc index in patients with PROM was significantly lower than in patients without this complication (4.33 +/- 1.18 versus 5.97 +/- 1.39, respectively; P = .0002). The inverse relationship between maternal zinc index and parity was statistically significant (r = -0.61; P = .04). These results suggest that the subnormal tissue zinc content in pregnancy may play a role as a causative factor in PROM at term.

Adult↗

Cadmium contamination of early human milk.

The concentration of cadmium was measured by flame atomic absorption spectrometry in colostrum samples obtained from 110 women on the 4th postpartum day. Detectable amounts of cadmium were found in 95% of the examined samples and the geometric mean of the determined values was 0.002 mg/kg. In 3 cases (2.7%, the examined neonates received via mother's milk an amount of cadmium exceeding the maximum daily intake level for this metal. Maternal age, parity and place of residence did not affect the determined cadmium levels of milk. Cadmium content in the early human milk of current smokers did not differ significantly from that of nonsmoking mothers.

Adolescent↗

The intrapartum content of toxic metals in maternal blood and umbilical cord blood.

The concentrations of cadmium, lead and total mercury were determined by atomic absorption spectrometry in maternal blood and umbilical cord blood collected during the III-rd stage of term delivery from 56 mother-neonate pairs. Cadmium and mercury levels measured on both sides of placenta did not differ significantly while lead levels in maternal blood were significantly higher than its cord blood values. In all three metals studied, the concentrations in maternal blood strongly correlated with the corresponding cord blood values. A significant, positive correlation was established between the parity of the examined women and the umbilical cord blood contents of lead and mercury. The obtained results support the opinion that human placenta does not form an effective barrier to toxic metal intake by the fetus.

Adult↗

Intrapartum levels of trace metals in maternal blood in relation to umbilical cord blood values: lead, iron, copper, zinc.

The study was designed to measure the gradients of lead, iron, copper and zinc from maternal blood to cord blood in pregnant urban and rural women. The concentrations of iron, copper, zinc and lead were measured by means of atomic absorption spectometry (AAS) in whole blood of 100 normal parturients and 92 of their neonates. Levels of lead in cord blood were not significantly different from those in maternal blood. This ratio was associated with similar iron and zinc ratios. Neonatal birth weight was negatively correlated with maternal copper levels, whereas cord blood zinc values positively correlated with placental weight. Rural women showed higher maternal to cord blood lead ratios than urban women. The implications of these findings are discussed.

Adolescent↗

Smoking during pregnancy and the perinatal cadmium burden.

The association between maternal smoking and both morphometric birth parameters and the perinatal cadmium burden were studied. The cadmium concentrations were measured by atomic absorption spectrometry in 100 samples of maternal whole blood (MB) and in 93 samples of umbilical cord blood (CB). In the group of nonsmokers, significantly higher birth weight and decreased relative placental weight were noted as compared to the group of smokers who smoked more than 6 cigarettes a day (p less than 0.05). In both maternal and cord blood samples, the measured Cd levels were found to be significantly higher in smokers than in the nonsmoking subjects (for MB and CB p less than 0.01 and p less than 0.01 respectively). The average number of cigarettes smoked daily by the women had little effect on the levels of the metal. The Cd-MB strongly correlated with the Cd-CB (p less than 0.001). The cadmium values determined in MB and CB did not significantly affect any of the studied fetoplacental parameters. The reported findings give support for placental permeability to cadmium in humans and confirm that smoking during pregnancy leads to elevated Cd concentrations in both the mother and the fetus.

Adult↗

Women in dental surgeries: reproductive hazards in occupational exposure to metallic mercury.

Eighty-one women (45 dentists and 36 dental assistants) occupationally exposed to metallic mercury underwent a toxicoclinical examination. Total mercury lebels (TMLs) were determined in scalp and pubic hair by cold vapour AAS. Furthermore a detailed questionnaire study was made concerning adverse reproductive events. TMLs in the hair of the exposed women examined exceeded significantly those determined in the hair of 34 controls not exposed to mercury. All exposed women had continued working during pregnancy. There was a significant, positive association between TMLs in the hair of exposed women and the occurrence of reproductive failures in their history. The relation between TMLs in the scalp hair and the prevalence of menstrual cycle disorders was statistically significant. These findings indicate that dental work could be another occupational hazard with respect to reproductive processes.

Abnormalities, Drug-Induced↗

Mercury in neonatal scalp hair.

Total mercury levels (TML) were determined in 141 samples of maternal head and pubic hair and neonatal scalp hair. The mean mercury contents of maternal head and pubic hair were 1.88 and 1.10 mg kg-1, respectively, while the mean TML of neonatal hair was 0.11 mg kg-1. A statistically significant correlation was found between TMLs in neonatal and maternal hair. Significant inverse correlation was observed between the mercury concentration in the hair of a newborn and its birth weight. Reported findings provide evidence that the neonatal scalp hair mercury level may be a useful indicator of intrauterine exposure to mercury.

Adult↗

Hair trace metal concentration of pregnant women at term in comparison with blood and milk levels.

The concentrations of Fe, Cu, Zn and Pb were determined by means of AAS in the scalp hair (SH) and pubic hair (PH) as well as in maternal blood (MB), breast milk (BM) and cord blood (CB) taken from 104 pregnant women and their neonates. SH values of all studied metals correlated with strong statistical significance with their PH levels. Significant correlations were found between maternal Fe-PH and neonatal body length (r = 0.271) as well as between Fe-SH and placental weight (r = 0.168). The age of examined women was found to correlate negatively with Cu-SH values as well as with Zn-SH (P less than 0.05). The inverse relationship between Zn-PH and the parity of examined women was established to be statistically significant (P less than 0.001). The usefulness of hair analyses in assessing trace metal status of a pregnant woman is discussed.

Adolescent↗