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Biomedical subjects

G Lückert

Publications and source records attributed to G Lückert.

13 recordsLinked to original sources
PubMed1987

[Correlation of sonomorphologic placental maturity with the L/S ratio and creatinine level in the amniotic fluid].

With 184 L/S-ratio determinations and 132 creatinine determinations in amniotic fluid we tried to show a connection between these parameters and sonographically provable changes of placental structures. We found no relationship between placental grading and fetal lung and renal maturity by statistical processing of the results, considering gestational age. There is between L/S-ratio and creatinine determinations no statistical relationship, too.

Amniotic Fluid↗
PubMed1986

[Sonographically detectable changes in placental structures in pregnancy. 4. Statistical comparison of the frequency distribution of placental stages 0-3 in newborn infants in a pregnancy of 37-42 weeks duration].

Among women with a duration of pregnancy between 37 and 42 gestational weeks procentual frequency, confidence intervals of O. Bunke, pounts of separability and areas of unsharpners were analysed. 1412 sonographical examinations were done in 645 pregnant women. Stage 0 was found statistically significant more frequent with error of probability alpha = 0.05 until the 30. week of pregnancy, stage 1 between the 21. and 36. week of pregnancy, stage 2 between the 33. and 36. gestational week and stage 3 in 37. and 38. week. Transformation (areas of unsharpness) from stage 0 to stage 1 occurs between the 24. and 32. gestational week, from stage 1 to stage 2 between the 31. and 34. week, from stage 2 to stage 3 between the 36. and 42. gestational week.

Birth Weight↗
PubMed1986

[Sonographically detectable changes in placental structures in pregnancy. 5. Statistical comparison of the frequency distribution of placental stages 0-3 in newborn infants in a pregnancy of less than 37 weeks duration].

The analysis of sonographically provable changes of placental structures in 97 pregnant women (202 examination) shows in cases with a duration of pregnancy less than 37 gestational weeks that stage 0 could be found statistically significant more frequent until the 32nd week of pregnancy, stage 1 in the whole pregnancy, stage 2 and 3 between the 29. and 36. gestational week. Stage 0 and 1 don't effect prematurity; however stages 2 and 3 could be proved before the 32nd or 34th week of pregnancy in 41 or 100% of examination respectively and effect a premature birth. Stage 2 could be proved 2,8 times more frequent and stage 3 4 times more frequent in premature babies than in newborns with a normal duration of pregnancy.

Birth Weight↗
PubMed1986

[Sonographically detectable changes in placental structures in pregnancy. 6. Effect of sonographic placental morphology on premature labor and intrauterine growth retardation].

Influence of sonographically demonstrable changes of placental structure on prematurity and intrauterine retardation was analysed and concerning its statistical rehability in 807 gravids. While the stages 0 and 1 don't effect prematurity and intrauterine retardation, the stage 2 is accompanied premature infant of normal birthweight if proved before the 32nd week of pregnancy. If stage 3 appears before the 34. week of pregnancy we found in 30.6% a small for date newborn, in 64% a normal weight and in 80% a small for date premature newborn. In comparison with the normal weight newborn the difference is statistically significant with an error probability of alpha = 0.05.

Birth Weight↗
PubMed1986

[Retroperitoneal ganglioneuroma as a cause of obstructed labor].

The case of a primigravida is reported who was operated on for a retroperitoneal ganglioneuroma at the age of 12. At that time the tumor surgically could not be completely removed because of its size and anatomical location in relation to the backbone and the large blood vessels. A renewed tumour growth was observed in the course of the years. At the end of pregnancy the tumour proved to be an obstruction to the labour process.

Adult↗
PubMed1985

[Sonographically detectable changes in placental structures in pregnancy. 2. Statistical comparison of the frequency distribution of placenta stages 0-3 newborn infants with a birth weight of 2,500-3,999 grams].

1200 examinations of sonographical demonstrable placental ripeness were done in 552 pregnant women. The frequency of stages 0 to 3 as compared with aid of O. Bunke's confidence intervals. Stage 0 were found frequently until the 30. week of pregnancy, stage 1 between the 21. and 36. gestational week, stage 2 between the 33. and 38. week of pregnancy and stage 3 between the 35. and 40. week. The comparison of the areas of unsharpness several stages possibly may give informations about the period of pregnancy when the stages coincide.

Birth Weight↗
PubMed1985

[Sonographically detectable changes in placental structures in pregnancy. 3. Statistical, comparison of the frequency distribution of placenta stages 0-3 in newborn infants with a birth weight of less than 2,500 grams].

The utilisation of sonographically provable changes of placental structures in 131 pregnant woman (277 examinations) shows in cases with newborn infants with a weight of birth under 2500 gram than the stage 0 is found significant frequent to the 32. week of pregnancy, the stage 1 to the 40. week of pregnancy, the stage 2 between the 29. and 40. week of pregnancy and the stage 3 between the 31. and 40. week of pregnancy. The stages 0, 1 and 2 influence in comparison with the newborn infants with a weight of birth between 2500 gram and 3999 gram not the weight in newborn infants under 2500 gram. The stage 3 will prove frequent in 13,5 times before the 34. week of pregnancy as in the comparison group with normal weight of birth.

Birth Weight↗
PubMed1985

[Thanatophoric dwarfism].

The thanatophoric dwarfism is a relatively rare disease. The course of a pregnancy with this in every case lethal syndrome is demonstrated in one case. The possible ultrasonographic suspected diagnosis is discussed. If the diagnosis is certain termination of pregnancy is indicated.

Cesarean Section↗
PubMed1984

[Sonographic studies of physiologic involution of the uterus in the puerperium].

141 sonographic investigations were performed in a group of 52 patients between the first and eighth day after normal delivery for supervision of physiologic involution of the uterus. There were examined position of the uterus, size of cervix and corpus and thickness of anterior and posterior uterine wall. The results were examined statistically concerning correlations to birth weight of the newborn.

Birth Weight↗
PubMed1984

[Fetal ascites in the ultrasound B image].

Fetal ascites is a rare ultrasonic diagnosis. The prognostic consequence is not clear. The course of pregnancy with fetal ascites in three cases is represented and compared with literature. The reason of fetal ascites often cannot be determined in spite of extensive diagnostic action. Problems of abortion are discussed.

Adult↗
PubMed1983

[Sonographically evident changes in placental structures in pregnancy. 1].

During the routine prenatal care a sonographical valuation of the placental tissue structure is performed. It could be proved at 657 gravids (1436 examinations) that the placental tissue structure is changing the course of pregnancy. The results were graduated in three stages from 0 to 3. Stage 0 represents the placenta in the first and second trimester and Stage 3 is used for the ripe placenta. The practical use of the placental tissue structure diagnosis is discussed.

Chorion↗