Benjamin Lassen

• University of Oslo

Long-term risks and survival times of ventriculoperitoneal (VP) shunts implanted due to hydrocephalus (HC) after crani-otomy for brain tumors are largely unknown. The aim of this study was to establish the overall VP shunt survival rates during a decade after shunt insertion and to determine risks of shunt failure after brain tumor surgery in the l...

Long-term risks and survival times of ventriculoperitoneal (VP) shunts implanted due to hydrocephalus (HC) after craniotomy for brain tumors are largely unknown. The aim of this study was to establish the overall VP shunt survival rates during a decade post-shunt insertion and to determine risks of failure after brain tumor surgery in the long-term...

The efficacy of tumor removal via craniotomies on preoperative hydrocephalus (HC) in adult patients with intracranial tumors is largely unknown. Therefore, we sought to evaluate the effect of tumor resection in patients with preoperative HC and identify the incidence and risk factors for postoperative VP shunt dependency. All craniotomies for intra...

The risk of developing a de novo shunt-dependent hydrocephalus (HC) after undergoing a craniotomy for brain tumor in adult patients is largely unknown. All craniotomies for intracranial tumors at Oslo University Hospital in adult patients ≥18 years of age during a 10-year period (2004-2013) were included. None were lost to follow-up. Patients who d...

Object: The aim of this study was to investigate the incidence of CSF disturbances before and after intracranial surgery for pediatric brain tumors in a large, contemporary, single-institution consecutive series. Methods: All pediatric patients (those < 18 years old), from a well-defined population of 3.0 million inhabitants, who underwent crani...

The prevalence rate for all primary brain and central nervous system tumors is estimated to be 130.8 per 100,000 inhabitants (CTBRUS (2008) Statistical report: primary brain tumors in the United States, 2000–2004. http:// www. cbtrus. org/ reports/ / 2007-2008/ 2007report. pdf). The cornerstone of brain tumor treatment is surgery, where the objecti...

Radical surgery within safe limits is the cornerstone of brain tumor treatment, not only to provide symptom relief, improved quality of life, smaller tumor burden for other treatment modalities and improved survival, but also to establish an exact tissue diagnosis. However, craniotomies are not without inherent risks, be it surgical mortality, post...

In order to weigh the risks of surgery against the presumed advantages, it is important to have specific knowledge about complication rates. Contemporary reports on complications following craniotomy for tumor resection in pediatric patients are scarce. To study the surgical mortality and rate of hematomas, infections, meningitis, infarctions, and...

In order to weigh the risks of surgery against the presumed advantages, it is important to have specific knowledge about complication rates. To study the surgical mortality and rate of reoperations for hematomas and infections after intracranial surgery for brain tumors in a large, contemporary, single-institution consecutive series. All adult pati...