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Biomedical subjects

P B Colditz

Publications and source records attributed to P B Colditz.

42 records · Page 3Linked to original sources

Fontanelle pressure and cerebral perfusion pressure: continuous measurement in neonates.

Fontanelle pressure (FP) and cerebral perfusion pressure (CPP) were measured continuously for the first 5 postnatal days in 21 preterm neonates. A new application device for use with the sensor of an intracranial pressure monitor allows accurate, continuous FP measurement. Accuracy of the technique was established by comparing results using the new device with 14-h continuous intraventricular pressure recordings from four infants before ventricular shunting. Agreement between the two techniques was satisfactory with the mean difference being 0.4 mm Hg. FP rose on each of the first 5 days after birth. CPP also rose over the 5 days but there were periods during suctioning of the endotracheal tube, crying, and vigorous activity when CPP was very low.

Blood Pressure↗

Tyrosinaemia II.

Four cases of tyrosinaemia type II (Richner-Hanhart syndrome) are reported. This syndrome consists of corneal erosions, palmar and plantar hyperkeratoses, and sometimes mental retardation. Presentation with photophobia and dendritic corneal ulceration or circumscribed palmoplantar keratoderma should alert the physician to the possible diagnosis of tyrosinaemia II. Early diagnosis is important, as the clinical picture can be modified by dietary restriction.

Adult↗

Henoch-Schönlein purpura--a surgical review.

A review of the complications associated with Henoch-Schönlein purpura is presented with particular reference to those requiring surgical management. Gastrointestinal involvement occurred in 105 patients and was complicated by intussusception in three patients and by perforation in one. Laparotomy was undertaken in 10 patients. Involvement of the scrotum and testis occurred in 29 patients and suggested torsion of the testis on occasion. Renal involvement occurred in 45 patients and was associated with renal impairment in six. Recommendations for the management of surgical complications are discussed.

Child↗