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Biomedical subjects

O A Ojo

Publications and source records attributed to O A Ojo.

31 records · Page 2Linked to original sources
PubMedDate not supplied

Obstetric neuropraxia in the Nigerian African.

The results of a prospective study of 34 Nigerian women with obstetric neuropraxia (puerperal paresis of the lower limbs) seen at the University College Hospital, Ibadan, are presented. The height of 29 (84%) was under 62 in (1.58 m). All were younger than 45, and 41% (14) were primiparous. Lumbosacral plexus injury with a foot-drop was the most frequent presenting feature (88%), bilateral involvement was observed in 13 patients (38%), femoral neuropathy was observed in nine (26%) and the ankle tendon jerks were absent in 35%. Spastic paraparesis was not uncommon (15%). Results of electromyographic examination and determinations of conduction velocities were consistent with proximal neuropraxia of the lumbasacral trunk in many of them (88%). The presentation of the fetus was cephalic in 97% of the women. The major predisposing factor was prolonged labor. Among the complications associated with the neuropraxia were hydroureters above the pelvic brim and vesico- and rectovaginal fistulae. Perinatal mortality was high particularly with labor of more than 18 hours. Recovery from the neuropraxia was complete for 76% of the patients. It is concluded that direct pressure on the lumbosacral plexus and nerve trunks by the presenting fetal part is the major factor in the pathogenesis of obstetric neuropraxia encountered in Nigerians.

Adult↗
PubMedDate not supplied

Experience with PGF2 alpha in mid-trimester pregnancy termination in Ibadan.

Twenty-five cases of mid-trimester pregnancy termination using intra-amniotic PGF2 alpha are described. The dose of PGF2 alpha used ranged between 40 and 80 mgs. Eighty-eight percent of all patients received 66mg or less of PGF2 alpha. Complete abortion without surgical intervention occurred in 13 (52%) of the women. The mean instillation abortion interval was 22 h. Surgical intervention was required in twelve patients. Side effects, mainly gastrointestinal symptoms, occurred in 72% of our patients. No epileptic seizure or cervical laceration was reported. It is suggested that the use of prostaglandin for pregnancy termination should be restricted to large medical centres with adequate facilities for coping with complications. Introduction of mid-trimester abortion with prostaglandin offers a back up method for failed contraception and obviates the need for surgical dilation of the cervix with its attendant risks.

Abortion, Induced↗
PubMedDate not supplied

Outpatient interval female sterilization at the University College Hospital, Ibadan, Nigeria.

Between September 1975 and April 1981, 258 patients were sterilized at the University College Hospital (UCH), Ibadan, using minilaparotomy and laparoscopy. Selected sociodemographic data as well as the technical and surgical difficulties encountered have been reviewed in this article. The mean age at sterilization was 38.3 years whilst the mean parity was 7.2. In all, there were 215 minilaparotomy sterilizations and forty-three laparoscopic sterilizations. Surgical difficulties were reported for 12.1% of minilaparotomy and 11.6% for laparoscopic procedures. The most frequently reported difficulties were obesity and pelvic adhesions. The failure rates were 1.4% for minilaparotomy and 2.3% for laparoscopy.

Abdomen↗
PubMedDate not supplied

Maternity care monitoring in Ibadan, Nigeria.

During this hospital stay, 993 women delivered 1008 infants at University College Hospital in Ibadan, Nigeria from January through June 1977. The stillbirth rate was 45.4 per 1000 deliveries; the neonatal mortality rate was 20.2 per 1000 deliveries. Significant differences occurred in patient characteristics, antenatal care, and complications of labour/delivery between those patients with favourable and unfavourable birth outcomes. As expected from all previous reports, the rate of multiple births was very high: 37 sets of twins and 3 sets of triplets. Contraceptive acceptance rose after delivery from 17.1% to 63.5% accepting some method. Orals were the most popular choice both antepartum and postpartum.

Adolescent↗