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English
Medicine & Public Health
Neurosurgery
Yi** **
Conference Paper
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Chapter and Conference Paper
The Influence of Hypercapnia and Hypoxia on Intracranial Pressure and on CSF Electrolyte Concentrations
Hypercapnia has been shown to increase intracranial pressure (ICP) by augmentation of cerebral blood volume. Hypoxia also increases ICP, the mechanisms by which this pressure increase occurs being at least two...
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Chapter and Conference Paper
Anomalies of the Arteries of the Caudal Brain Stem and the Cerebellopontine Angle
The cerebral arteries of 35 human brains were injected post mortally with a mixture of barium sulfate, gelatine and malachite green. The specimens were studied radiologically and macroscopically. By ligature o...
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Chapter and Conference Paper
Presidential Remarks
In his opening lecture — not to be published in extenso — at the 24th Annual Meeting of the German Society of Neurosurgery in Mainz, 1973, the Society’s President gave a brief review of the state of art of Neu...
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Chapter and Conference Paper
Microtopography of the Cerebellopontine Angle and Early Otologic Diagnosis of Cerebellopontine Angle Tumors (Abstract)
There has been an amazing increase in the number of acoustic tumors that have come to operation. This is primarily the result of much improved diagnostic techniques. Foremost in this area has been the developm...
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Chapter and Conference Paper
The Value of Petrous Bone Exposures in STENVERS’ Position and of Brain Scanning in the Diagnosis of Tumors of the Cerebellopontine Angle Region
Tumors of the cerebellopontine angle cause pathological changes in the petrous bone in a high percentage of cases, which usually can be best recognized by X-ray examination in STENVERS’ view. The most frequent...
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Chapter and Conference Paper
To the 75th Birthday of Wilhelm Tönnis
It appears most appropriate to apply the above sentence by HANS SACHS chosen by WILHELM TÖNNIS to patronize the highest awards of the German Society of Neurosurgery, the FEDOR KRAUSE-Medal and the OTFRID FOERS...
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Chapter and Conference Paper
Radio-Isotope Cisternography for the Diagnosis of Cerebello-Pontine Angle Tumors
In 1972, MAMO and HOUDART described radio-isotopic cisternography as being superior to conventional neuroradiological techniques in diagnosing cerebellopontine angle tumors down to a diameter of 1 cm. But the ...
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Chapter and Conference Paper
Bestowing of the Otfrid Foerster-Medal Upon Hugo Krayenbühl
When the German Society of Neurosurgery instituted the FEDOR KRAUSE- and the OTFRID FOERSTER-Medals in 1950, it was led by the scope of kee** alive in our Society the memory of these two German pioneers in N...
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Chapter and Conference Paper
The Use of Vertebral Angiography in the Differential Diagnosis of Cerebello-Pontine Angle Lesions
In recent years, vertebral angiography has been increasingly used to provide details of the exact site and probable nature of posterior fossa tumors, in a fashion similar to carotid angiography which has large...
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Chapter and Conference Paper
Advances in Surgery for Acoustic Neurinoma (A Synopsis)
Radical surgery has always been the ultimate objective of any operative treatment in cases of acoustic neurinomas. The degree of radicality obtainable depends on various factors, including the size and localiz...
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Chapter and Conference Paper
Experiences and Results with Posterior Approaches (Abstract)
The surgical treatment of acoustic neuroma has reached the stage when it is not a question whether the facial nerve can be saved, but rather that it should be saved or reconstituted in the posterior fossa duri...
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Chapter and Conference Paper
Experiences in Microsurgery of Acoustic Neurinomas (Abstract)
The use of the operating microscope for modification of the classical suboccipital removal of cerebellopontine angle tumors has now advanced to the point where acoustic neurinomas, from the small intracanalicu...
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Chapter and Conference Paper
Operations and Results in 102 Tumors of the Cerebellopontine Angle
A non-selected series of 102 tumors of the cerebellopontine angle region is presented. These tumors were operated on by several surgeons of the Neurosurgical Clinic of the University Hospital at Frankfurt/Main...
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Chapter and Conference Paper
Pathophysiology of Brain Edema: Pathological Aspects
Accepting the definition of edema as an abnormal accumulation of a fluid in a tissue, two basic types of brain edema (BE) namely, vasogenic and cytotoxic have been recognized (5). This classification is based on ...
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Chapter and Conference Paper
Intracranial Pressure, Hemodynamics and Metabolic Disorders in Patients with Severe Head Injury
Experimental studies have shown that cerebral perfusion pressure, i. e. the difference between mean arterial and intracranial pressure, can be lowered to about 40–60 mm Hg without marked cerebral hemodynamic o...
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Chapter and Conference Paper
Crossed Cranial Nerve Anastomosis for Re-Innervation of Muscles Supplied by the Facial Nerve
In lesions of the facial nerve following extirpation of cerebello-pontine angle tumors the best results are undoubtedly obtained by direct anastomosis of the facial nerve ends, if preserved, or by Dott’s opera...
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Chapter and Conference Paper
Intra- and Postoperative Complications in Cerebello-Pontine Angle Tumors and Their Relation to the Patients’ Position, Type of Ventilation and Cranial Nerve Lesion
During the past 8 years, 72 tumors of the cerebello-pontine angle were operated on. In Table I all cases are listed with regard to their histopathological diagnosis.
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Chapter and Conference Paper
Capillary Lesions and Hemorrhages in Brain Edema
Intracranial hypertension is the most important consequence of brain edema. If the intracranial pressure exceeds a critical value it may reduce intracranial perfusion pressure and cerebral blood flow (CBF) (HE...
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Chapter and Conference Paper
The Influence of High and Low Dosages of Mannitol 25% in the Therapy of Cerebral Edema
Cerebral edema has been treated by hypertonic solutions for many years. Urea and mannitol are the solutions most often used.
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Chapter and Conference Paper
Cerebello-Pontine Angle Arterio-Venous Malformations (Abstract)
Large AVMs of the brain stem have been considered to be inoperable because of the conception that they are embedded in the brain stem. Surgical experience with three cases suggests that may not always be the c...
