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Biomedical subjects

M Hadani

Publications and source records attributed to M Hadani.

60 records · Page 4Linked to original sources

Colonic complications of ventriculoperitoneal shunts.

Late perforation of the large bowel by the abdominal catheter of a ventriculoperitoneal (VP) shunt is extremely rare. Four of the five reported patients subsequently died. We report here three patients who presented with this complication and were treated successfully. Bowel perforation by a VP shunt catheter should be considered when a shunt infection is secondary to gram-negative enteric organisms. It can occur without evidence of peritonitis, and the abdominal catheter can be removed percutaneously, thus avoiding a laparotomy.

Bacterial Infections↗

Transient global amnesia associated with a single metastasis in the non-dominant hemisphere. Case report.

A patient in whom transient global amnesia (TGA) led to the diagnosis of a metastasis of a transition-cell carcinoma of the bladder to the non-dominant hemisphere is described. In previously reported cases of TGA associated with brain tumors, the tumors involved either the dominant or both hemispheres. The etiology of TGA associated with a brain tumor is most likely vascular, as suggested by the sudden development and the transitory character of the event. In contrast to the "common" form of TGA (where both temporal lobes suffer temporary ischemia), in these patients only one side of the limbic system is affected, because a brain tumor has already compromised the other limbic area. Therefore, the dominance of the hemisphere with the tumor is of no consequence, as both hemispheres have been involved. It is concluded that the TGA in these patients is not due to, but is rather associated with, a unilateral brain tumor.

Aged↗

Somatosensory evoked potential to peroneal nerve stimulation in patients with herniated lumbar discs.

The somatosensory evoked potential (SEP) to peroneal nerve stimulation was recorded from 76 patients with myelographically proven herniated lumbar disc and was compared with normative data obtained from 65 healthy subjects. All patients with disc herniation had an abnormal SEP even when examination failed to disclose sensory deficits. In the patients with distortion of a root sleeve, the SEP abnormality was confined to the involved side. When myelography demonstrated large defects in the dural sac, there was electrophysiological evidence of disturbed conduction from the asymptomatic leg also. SEP changes in postoperative examinations correlated well with improvement or worsening of the patient's condition and enabled objective evaluation of the dynamics of sensory conduction along the involved structures.

Adolescent↗