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Biomedical subjects

S Ballas

Publications and source records attributed to S Ballas.

At least 37 records · Page 2Linked to original sources

Fetal heart rate variation with umbilical haematoma.

Umbilical cord haematoma is an infrequent condition associated with high perinatal and fetal mortality and morbidity. This report describes a rare case of umbilical cord haematoma associated with loss of fetal beat to beat variation during labour. The infant exhibited mild asphyxia only. Previous publications are reviewed and fetal heart rate changes associated with umbilical cord haematoma are discussed.

Adult↗

Total articular replacement arthroplasty. A clinical review.

Sixty-four total articular replacement arthroplasties were performed in 60 patients with an average follow-up period of 24 months. Ninety-three percent of the patients had little or no pain at the time of follow-up examination; 83% of the patients were able to walk unlimited distances; 97% of the patients had a postoperative flexion range of 90 degrees or greater. The incidence of progressively increasing radiolucency at the bone-cement interface in the acetabular area was disturbingly high. There was also a progressive occurrence of bone sclerosis along the lateral border of the prosthetic stem, indicating that the stem provoked bony changes in response to stress transfer. Despite these responses, this procedure has shown better results than those in which other types of conservative or resurfacing devices were used during a two-year evaluation period.

Adult↗

Amniotic fluid embolism and disseminated intravascular coagulation complicating hypertonic saline-induced abortion.

Amniotic fluid embolism (AFE) associated with disseminated intravascular clotting (DIC) is usually fatal. Such a combination generally occurs at the term of pregnancy or in the immediate postpartum period. A case of AFE with DIC following a hypertonic-saline-induced abortion, is reported. The patient was in the midtrimester with a live fetus. Prompt recognition and treatment of her condition ensured her complete recovery. Such a case has not, to our knowledge, been previously reported.

Abortion, Induced↗

Vaginal vein thrombosis in pregnancy.

Vaginal vein thrombosis in a pregnant woman is reported. This entity should be differentiated from vaginal arteriovenous fistula which may cause severe antepartum, intrapartum and post-partum haemorrhage. The humoral and mechanical factors which favour the occurrence of varicosities and thrombosis are briefly described. Surgical management is suggested as being both simple and effective.

Adult↗

Management of term breech presentation in primigravidae.

In a prospective study of 231 breech presentations in primigravidae at term 260 (81 per cent) were delivered vaginally with no perinatal mortality. A single case of fetal injury (Erb's palsy) was recorded and only one infant had an Apgar score of under 7 at 5 minutes. In 17 patients selected for vaginal delivery, caesarean section was necessary for abnormal uterine activity, prolapse of the umbilical cord of fetal distress. Elective caesarean section wad performed if routine x-ray pelvimetry showed values below defined limits at the brim, midcavity, or outlet or if the fetal head was extended.

Apgar Score↗

Selective versus routine intrapartum monitoring: comparison of effects on perinatal outcome.

This study compares perinatal results of 7,604 deliveries in two successive years (1976--1977) in which no policy changes occurred other than a four-fold increase in electronic intrapartum monitoring. In the first year 15.4 per cent of births were monitored selectively. In the second year all births were monitored, with the exception of patients admitted at an advanced stage of labor and elective cesarean section. The results show no significant improvement either in intrapartum or in early neonatal mortality rates. The same results obtained in cesarean section rate and in instrumental deliveries. The only positive result is a significant reduction of low Apgar scores in the unselected monitoring group (1977). The low morbidity is considered to be a result not only of increased monitoring, but also of active management of labor, of a short duration of labor and of intensive neonatal care.

Apgar Score↗

Midtrimester placenta previa: normal or pathologic finding.

During the years 1974-1977 ultrasonic placentography demonstrated midtrimester placenta previa (MTPP) in 123 women. The procedure was performed because of vaginal bleeding in 65 cases and prior to amniocentesis in 58 asymptomatic cases. Eighty-eight patients were found to have grade I placenta previa (PP), 12 to have grade II, 14 to have grade III, and 9 patients to have grade IV PP. These different variants of PP were correlated with the ultimate outcome of these pregnancies: Bleeding due to PP or PP at term were reasons for cesarean section in 4 cases of grade I PP, in 2 cases of grade II, in 7 cases of grade III, and in 7 out of 9 cases of grade IV PP. Among those patients who had grades III and IV PP, 13 out of 23 had premature or immature deliveries. These results suggest that finding of MTPP, especially symptomatic MTPP, should alert the physician to the clinical significance of PP later in pregnancy.

Cesarean Section↗

Early cervical pregnancy: ultrasonic diagnosis and conservative treatment.

Five cases of cervical pregnancy collected over an 8-year period (1971--1978) are analyzed. The incidence of cervical pregnancy at this institution is 1:7040 pregnancies. All cases were diagnosed prior to 12 weeks' gestation, and conservative treatment was instituted in each case. Etiology, criteria, definition, and clinical and pathologic signs are discussed. Several unusual features are emphasized, particularly conservative treatment and the use of ultrasound as a diagnostic aid.

Adult↗