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Biomedical subjects

Iu V Kushel'

Publications and source records attributed to Iu V Kushel'.

8 recordsLinked to original sources
PubMedDate not supplied

[Use of the navigation system Stealth Station(TM) for removal of brain neoplasm].

The paper analyzes the authors' initial experience with the Stealth Station navigation system (Medtronic-Sofamor Danek, USA) during neurosurgery for intracranial tumors and outlines its techniques. Twenty eight patients with various brain tumors were operated on. Thirteen patients had tumors of the skull base (meningiomas, chordomas, paragangliomas, fibrous dysplasia). Twelve patients showed various intracerebral tumor-forming processes (gliomas, cavernous angiomas, and metastizing carcinomas). The navigation system ensured resection of these tumors. It was used in 2 other patients with gliomas and in 1 patient with cystic craniopharyngioma for their stereotactic puncture, biopsy, and drainage. The Stealth Station proved to be an effective tool for preoperative planning of cranial neurosurgical operations and their intraoperative guidance. Strict observance of the protocols of preoperative preparation ensures a high accuracy and facilitates search for and identification of anatomic guides. Only in 1 patient with surface glioma involving the central gyri, its resection was followed by hemiparesis that subsequently progressed. In the remaining 27 cases, the operation ran smoothly and caused no new neurological defect. The brain-shift phenomenon is the principal limitation of accuracy of the intraoperative system. This problem is less evident in skull-base surgery where the system was effectively used for critical structural location. Also, it can be safely employed for elimination of slight deep lesions to protect the brain and to minimize its injury via approach to a tumor through the brain parenchyma.

Brain Neoplasms↗
PubMedDate not supplied

[Transcutaneous external ventriculostomy (surgical technique)].

The paper deals with the placement of external ventricular drainage, one of the most common mini-invasive surgical techniques. The operation is described in the stepwise fashion. Photos of each of the surgical stages allow the reader to gain a deep insight into the specific features of the surgical technique. This technique can be useful particularly for emergency neurosurgeons.

Cerebral Ventricles↗
PubMedDate not supplied

[Correction of scaphocephaly by pi-plasty].

The article contains a vivid description of a modern surgical technique used to correct the scaphocephalic cranial deformations, i.e. pi-plasty method. The surgery is described, in an easy-to-understand manner ("the way I do it"), from positioning the patient on the surgical table and making an incision to sewing up the skin. The real photos of each surgical stage facilitate, for the reader, the perception of surgical peculiarities.

Child↗
PubMedDate not supplied

[Dislocation and impaction of the brain after purgetive enema].

The paper describes a case of dislocation and impaction of the brain in a child with a large brain tumor, which developed after purgetive enema. It also discusses the management of patients with this complication and possible ways of its prevention.

Brain Diseases↗
PubMedDate not supplied

[Osteoplastic laminotomy].

The paper describes the surgical technique of laminotomy. The basic stages of the operation and nuances of its performance are provided so that the readers can easily understand. Real photos of each surgical stage are useful for neurosurgeons dealing with intramedullary tumors.

Adolescent↗
PubMedDate not supplied

[Radical surgical tactics in the treatment of patients with intramedullary neoplasms inducing severe neurological deficit. What can we find in this?].

BACKGROUND: Radical surgery for intramedullary spinal cord tumors (IMSCT) is currently accepted as a first-line treatment. At the same time most papers concerning this problem show that surgical results depend on the preoperative neurological status of a patient. Many authors consider that the functional status of a patient with severe neurological deficit does not change for the better. MATERIALS AND METHODS: In 2002-2006, at the Academician N. N. Burdenko Research Institute of Neurosurgery, the author operated on 63 patients diagnosed as having IMSCT as evidenced by magnetic resonance imaging (MRI). Among them, there were 29 patients with severe preoperative neurological deficit (3-4 scores by the McCormick scale (MCS)). Thirteen (45%) tumors were totally removed; in the remaining patients with diffuse tumors, tumor removal was subtotal (more than 80% of a tumor being removed, as confirmed by MRI scans). There were neither neurological status deteriorations, nor fatal outcomes. Nineteen patients were found to have functional improvement by 1-3 MCS scores. Out of them, 15 (52%) patients became completely independent in their everyday activities due to surgery. CONCLUSIONS: In this series of patients with IMSCT and severe preoperative neurological deficit, tumor removal led to functional improvement in the patient and his independence in everyday life in 52% of cases. Radical surgery for localized IMSCT does not deteriorate the patients' functional status.

Adolescent↗