Subject(s)
Calcinosis/complications , Calcinosis/pathology , Cysts/pathology , Leukoencephalopathy, Progressive Multifocal/complications , Leukoencephalopathy, Progressive Multifocal/pathology , Adult , Brain Diseases/pathology , Evoked Potentials, Visual/physiology , Female , Humans , Magnetic Resonance Imaging , Male , Middle AgedABSTRACT
Data about the epidemiology of primary intracranial tumours (PIT) are still heterogeneous depending on different methodological approach in collecting data. In Valle d' Aosta, north west side of Italy, we have carried out a prospective consecutive population based study to calculate the incidence of PIT in the last decade (1992-1999) and to compare these rates with the previous period (1986-1991), data reported in a previous paper. The mean annual PIT incidence rate (ri) per 100,000 inhabitants was 25.48. The mean annual incidence rates in the two period of comparison were adjusted to the 1991 Italian population by the direct method. The standardised ratio was 26.43 in the previous period and 23.24 in the second decade. There is no statistically significant difference. The mean annual PIT incidence rates by tumour types were meningiomas 13.27/100,000 (men 9.77; women 16.7), neuroepithelial group 9.3 (men 10.62; women 8.1), adenomas 1.26, neurinomas 0.7. Mean annual incidence rates by tumour class were also stable. The stable incidence rate in the two periods and the similar incidence in England (21.04/100,000 person year), strengthen the evidence for a stable incidence rate of PIT in the last decade. These three papers used similar methodology. The homogeneous methodology allows comparison and further evaluation.
Subject(s)
Brain Neoplasms/epidemiology , Adenoma/epidemiology , Adolescent , Adult , Age Factors , Age of Onset , Aged , Aged, 80 and over , Child , Female , Humans , Italy/epidemiology , Male , Meningioma/epidemiology , Middle Aged , Neuroectodermal Tumors, Primitive, Peripheral/epidemiology , Neuroma/epidemiology , Population , Prospective Studies , Sex Factors , Tomography, X-Ray ComputedABSTRACT
Since the sixties at our Department of Neurosurgery, we use an original method for external ventricular shunts. To verify the effectiveness for reduction of infections risks the Authors have retrospectively analyzed 95 patients: only 4 cases of meningitis have been observed. The Authors consider the utility of the proper method and the importance of the duration of ventriculostomy placement.
Subject(s)
Bacterial Infections/etiology , Cerebrospinal Fluid Shunts/adverse effects , Adolescent , Adult , Aged , Aged, 80 and over , Cerebrospinal Fluid Shunts/methods , Child , Child, Preschool , Female , Humans , Infant , Infant, Newborn , Male , Middle AgedABSTRACT
One hundred patients affected by S.A.H. have been studied, evaluating the possible correlations between clinical findings and hyponatremia. For a better understanding of hyponatremia during S.A.H., the hematic concentration of A.D.H. and A.N.P. have been determined and correlated with hyponatremia.
Subject(s)
Hyponatremia/etiology , Subarachnoid Hemorrhage/complications , Atrial Natriuretic Factor/analysis , Cerebral Arterial Diseases/complications , Female , Humans , Hyponatremia/physiopathology , Male , Prognosis , Spasm/complications , Vasopressins/analysisABSTRACT
Hyponatremia is a state of relatively common observation among neurosurgical patients and it may determine or precipitate a condition of brain swelling in the head-injured. The quick reversal to normal values of serum sodium concentration may cause relevant neurological disturbances: they are related to peculiar neuropathological changes, the most representative of which is central pontine myelonilysis. Two cases (one in pediatric age) of head injured patients with brain damage resulting from rapid correction of a SIADH related hyponatremia are presented.
Subject(s)
Demyelinating Diseases/etiology , Hyponatremia/complications , Pons , Child, Preschool , Female , Humans , Hyponatremia/therapy , Inappropriate ADH Syndrome/complications , Inappropriate ADH Syndrome/therapy , Male , Middle Aged , Time FactorsABSTRACT
Between January 1983 and December 1987, 121 patients who sustained a cervical spine injury were treated at the Neurosurgical Department of Ospedali Riuniti Bergamo. In 55 patients the segment between C3 and C7 was involved. Different techniques and results in the management of these lesions are discussed.