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Biomedical subjects

R N DeJong

Publications and source records attributed to R N DeJong.

16 recordsLinked to original sources

An out-of-hospital birth center using university referral.

Out-of-hospital birth centers are controversial. A retrospective chart review was performed for 150 consecutive patients who had their prenatal care at The Birthplace, a Seattle birth center with certified nurse-midwives licensed by the state of Washington. Seventy-two percent of the women were nulliparous. Antepartum or intrapartum hospital referral was necessary for 28% of the patients. An additional 17% of the patients would have been transferred if specific written criteria for transfer had been precisely followed. The cesarean section rate was 6% (9 of 150). Nonoptimal 1-minute Apgar scores of 6 or less were more common in nulliparas (20%) than in multiparas (3%) who delivered at The Birthplace (P less than .05). All 5-minute Apgar scores were 7 or more. Three infants had birth weights less than 2500 g. Noncompliance with the transfer criteria was associated with untoward outcome. Patients considering out-of-hospital delivery should be counseled that a high rate of hospital transfer is necessary to minimize risk.

Adolescent↗

Vascular malformation of the brainstem: report of a case with long duration and fluctuating course.

We studied a patient with a vascular malformation within the pons and medulla, affecting the cranial nerve nuclei, ascending and descending pathways, and cerebellar peduncles and adjoining structures. The symptoms had been present for more than 50 years. They were fluctuating in the beginning but later were progressive. The malformation probably had its origin during the first month of embryonic life.

Adult↗

Teaching neurology.

Explore the source record for details and available documents.

Education, Medical↗

CNS manifestations of diabetes mellitus.

The neurologic manifestations most frequently described in association with diabetes are caused by involvement of the peripheral nerves and nerve roots. Whether there is also a specific central nervous system involvement has not been well documented. Pseudotabes diabetica and diabetic amyotrophy probably can be explained on the basis of severe neuropathy or radiculopathy. According to fairly recent studies, however, both myelopathy and encephalopathy may be part of the diabetic process. In the cases of myelopathy, there are degeneration of the long tracts and areas of demyelination with gliosis, as well as microinfarcts. In the cases of encephalopathy, there are degeneration of ganglion cells and nerve fibers in the cerebrum, brain stem, and cerebellum; cell loss, demyelination and gliosis; and infarction secondary to severe angiopathy.

Brain Diseases↗