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Biomedical subjects

D W Rowed

Publications and source records attributed to D W Rowed.

44 records · Page 3Linked to original sources

Traumatic intracerebellar haematoma.

A case of traumatic intracerebellar hematoma is presented. The salient feature of the patient's early clinical course was delayed, rapid deterioration in the absence of antecedent focal neurological findings. The rarity of this lesion and its high mortality due to delay in correct diagnosis have been previously emphasized. Reported cases have followed a subacute clinical course and deterioration has been preceded by focal neurological findings. Prompt ventricular drainage followed by evacuation of the hematoma can be expected to yield a satisfactory clinical result.

Adult↗

Hypocapnia and intracranial volume-pressure relationship. A clinical and experimental study.

The effect of induced hypocapnia was observed, during intraventricular pressure monitoring, in five patients with chronically increased intracranial pressure (ICP) and in five baboons with acutely raised ICP. The volume-pressure response (VPR) was used as a measure of intracranial elastance (inverse compliance), an index of residual compensatory capacity. The VPR is the acute increase in mean ICP that occurs in response to a constant volume increment to ventricular cerebrospinal fluid. In the patients, hypocapnia produced a decrease in the VPR that was proportional to the decrease in ICP; in the baboons, ICP was substantially decreased with minimal change in the VPR. Both observations indicate that hypocapnia, though it decreases ICP, does not selectively decrease intracranial elastance. This may be a limiting factor in the use of hypocapnia in the management of raised ICP.

Animals↗

Thromboendarterectomy for total occlusion of the internal carotid artery: a reappraisal of risks, success rate and potential benefits.

Forty consecutive patients undergoing thromboendarterectomy for total internal carotid artery occlusion were studied in an attempt to determine a) whether careful case selection could be expected to reduce future postoperative mortality and morbidity, b) whether the achieved patency rate justified early operation and c) whether patients in whom patency was restored and maintained had a better long-term prognosis. The results show that a group of patients can be selected that will have low postoperative mortality and morbidity. The success rate for restoration of blood flow is high, particularly if the operation is performed soon after occlusion. The long-term prognosis in patients in whom patency of the internal carotid artery is restored and maintained appears to be better than in those with persistent occlusion of the carotid artery.

Adult↗