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Cerebrospinal fluid diversion for leptomeningeal metastasis: palliative, procedural and oncologic outcomes. J Neurooncol 2021; 154:301-313. [PMID: 34406564 DOI: 10.1007/s11060-021-03827-2] [Citation(s) in RCA: 9] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/16/2021] [Accepted: 08/11/2021] [Indexed: 12/19/2022]
Abstract
BACKGROUND Leptomeningeal metastasis (LM) occurs in 3-5% of patients with solid metastatic tumors and often portends a severe prognosis including symptomatic hydrocephalus and intracranial hypertension. Cerebrospinal fluid (CSF) shunting can provide symptomatic relief in this patient subset; however, few studies have examined the role of shunting in the palliation, prognosis and overall oncologic care of these patients. OBJECTIVE To identify and evaluate risk factors associated with prognosis after CSF diversion and assess surgical, symptomatic and oncologic outcomes in this population. METHODS A retrospective study was conducted on patients with solid-malignancy LM treated with a shunt at a NCI-designated Comprehensive Cancer Center between 2010 and 2019. RESULTS One hundred and ninety patients with metastatic LM underwent CSF diversion. Overall survival was 4.14 months from LM diagnosis (95% CI: 3.29-4.70) and 2.43 months (95% CI: 2.01-3.09) from shunting. Karnofsky performance status (KPS) at time of shunting and brain metastases (BrM) number at LM diagnosis demonstrated significant associations with survival (HR = 0.66; 95% CI [0.51-0.86], p = 0.002; HR = 1.40; 95% CI [1.01-1.93] per 10 BrM, p = 0.04, respectively). Eighty-three percent of patients experienced symptomatic relief, and 79% were discharged home or to rehabilitation facilities post-shunting. Post-shunt, 56% of patients received additional systemic therapy or started or completed WBRT. Complications included infection (5%), symptomatic subdural hygroma/hematoma (6.3%), and shunt externalization/removal/repair (8%). Abdominal seeding was not identified. CONCLUSIONS CSF diversion for LM with hydrocephalus and intracranial hypertension secondary to metastasis can achieve symptomatic relief, hospital discharge, and return to further oncologic therapy, with a complication profile unique to this pathophysiology. However, decision-making in this population must incorporate end-of-life goals of care given limited prognosis.
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Rennert RC, Brandel MG, Srinivas S, Prajapati D, Al Jammal OM, Brown NJ, Diaz-Aguilar LD, Elster J, Gonda DD, Crawford JR, Levy ML. Palliative endoscopic third ventriculostomy for pediatric primary brain tumors: a single-institution case series. J Neurosurg Pediatr 2021; 28:387-394. [PMID: 34359046 DOI: 10.3171/2021.3.peds20952] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 12/06/2020] [Accepted: 03/29/2021] [Indexed: 11/06/2022]
Abstract
OBJECTIVE Children with nonoperative brain tumors, such as diffuse intrinsic pontine gliomas (DIPGs), often have life-threatening hydrocephalus. Palliative shunting is common in such cases but can be complicated by hardware infection and mechanical failure. Endoscopic third ventriculostomy (ETV) is a minimally invasive alternative to treat hydrocephalus without implanted hardware. Herein, the authors report their institutional experience with palliative ETV for primary pediatric brain tumors. METHODS The authors conducted a retrospective review of consecutive patients who had undergone palliative ETV for hydrocephalus secondary to nonresectable primary brain tumors over a 10-year period at Rady Children's Hospital. Collected variables included age, sex, tumor type, tumor location, presence of leptomeningeal spread, use of a robot for ETV, complications, ETV Success Score (ETVSS), functional status, length of survival, and follow-up time. A successful outcome was defined as an ETV performed without clinically significant perioperative complications or secondary requirement for a new shunt. RESULTS Fifteen patients met the study inclusion criteria (11 males, 4 females; average age 7.9 years, range 0.8-21 years). Thirteen patients underwent manual ETV, and 2 patients underwent robotic ETV. Preoperative symptoms included gaze palsy, nausea/vomiting, headache, lethargy, hemiparesis, and seizures. Tumor types included DIPG (3), intraventricular/thalamic glioblastoma (2), and leptomeningeal spread of medulloblastoma (2), anaplastic oligo-/astrocytoma (2), rhabdoid tumor (2), primitive neuroectodermal tumor (1), ganglioglioma (1), pineoblastoma (1), and embryonal carcinoma (1). The mean preoperative ETVSS was 79 ± 8.8. There was 1 perioperative complication, a wound breakdown consistent with refractory hydrocephalus. The mean follow-up was 4.9 ± 5.5 months overall, and mean survival for the patients who died was 3.2 ± 3.6 months. Two patients remained alive at a mean follow-up of 15.7 months. Palliative ETV was successful in 7 patients (47%) and unsuccessful in 8 (53%). While patients with successful ETV were significantly older (11.9 ± 5.6 vs 4.4 ± 4.1 years, p = 0.010), there were no significant differences in preoperative ETVSS (p = 0.796) or postoperative survival (p = 0.476) between the successful and unsuccessful groups. Overall, functional outcomes were similar between the two groups; there was no significant difference in posttreatment Karnofsky Performance Status scores (68.6 ± 19.5 vs 61.3 ± 16.3, p = 0.454), suggesting that including ETV in the treatment algorithm did not worsen outcomes. CONCLUSIONS Palliative ETV is a safe and potentially efficacious treatment option in selected pediatric patients with hydrocephalus from nonoperative brain tumors. Close follow-up, especially in younger children, is required to ensure that patients with refractory symptoms receive appropriate secondary CSF diversion.
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Affiliation(s)
| | | | | | | | | | | | | | - Jennifer Elster
- 3Pediatrics, University of California San Diego, La Jolla; and.,4Rady Children's Hospital, San Diego, California
| | - David D Gonda
- Departments of1Neurological Surgery and.,2Neurosciences, and
| | - John R Crawford
- 2Neurosciences, and.,3Pediatrics, University of California San Diego, La Jolla; and
| | - Michael L Levy
- Departments of1Neurological Surgery and.,2Neurosciences, and
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Characteristics and management of hydrocephalus in adult patients with cerebellar glioblastoma: lessons from a French nationwide series of 118 cases. Neurosurg Rev 2021; 45:683-699. [PMID: 34195892 DOI: 10.1007/s10143-021-01578-2] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/30/2021] [Revised: 05/19/2021] [Accepted: 06/02/2021] [Indexed: 10/21/2022]
Abstract
The characteristics of hydrocephalus associated with cerebellar glioblastoma (cGB) remain poorly known. The objectives were to describe the occurence of hydrocephalus in a French nationwide series of adult patients with cGB, to identify the characteristics associated with hydrocephalus and to analyze the outcomes associated with the different surgical strategies, in order to propose practical guidelines. Consecutive cases of adult cGB patients prospectively recorded into the French Brain Tumor Database between 2003 and 2017 were screened. Diagnosis was confirmed by a centralized neuropathological review. Among 118 patients with cGB (mean age 55.9 years), 49 patients (41.5%) presented with pre-operative hydrocephalus. Thirteen patients (11.0%) developed acute (n=7) or delayed (n=6) hydrocephalus postoperatively. Compared to patients without hydrocephalus at admission, patients with hydrocephalus were younger (52.0 years vs 58.6 years, p=0.03) and underwent more frequently tumor resection (93.9% vs 73.9%, p=0.006). A total of 40 cerebrospinal-fluid diversion procedures were performed, including 18 endoscopic third ventriculostomies, 12 ventriculoperitoneal shunts and 10 external ventricular drains. The different cerebrospinal-fluid diversion options had comparable functional results and complication rates. Among the 89 patients surgically managed for cGB without prior cerebrospinal-fluid diversion, 7 (7.9%) were long-term shunt-dependant. Hydrocephalus is frequent in patients with cGB and has to be carefully managed in order not to interfere with adjuvant oncological treatments. In case of symptomatic hydrocephalus, a cerebrospinal-fluid diversion is mandatory, especially if surgical resection is not feasible. In case of asymptomatic hydrocephalus, a cerebrospinal-fluid diversion has to be discussed only if surgical resection is not feasible.
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Lamba N, Fick T, Nandoe Tewarie R, Broekman ML. Management of hydrocephalus in patients with leptomeningeal metastases: an ethical approach to decision-making. J Neurooncol 2018; 140:5-13. [PMID: 30022283 PMCID: PMC6182391 DOI: 10.1007/s11060-018-2949-7] [Citation(s) in RCA: 12] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/10/2018] [Accepted: 07/07/2018] [Indexed: 11/25/2022]
Abstract
PURPOSE Leptomeningeal metastases (LM) are a rare, but often debilitating complication of advanced cancer that can severely impact a patient's quality-of-life. LM can result in hydrocephalus (HC) and lead to a range of neurologic sequelae, including weakness, headaches, and altered mental status. Given that patients with LM generally have quite poor prognoses, the decision of how to manage this HC remains unclear and is not only a medical, but also an ethical one. METHODS We first provide a brief overview of management options for hydrocephalus secondary to LM. We then apply general ethical principles to decision making in LM-associated hydrocephalus that can help guide physicians and patients. RESULTS Management options for LM-associated hydrocephalus include shunt placement, repeated lumbar punctures, intraventricular reservoir placement, endoscopic third ventriculostomy, or pain management alone without intervention. While these options may offer symptomatic relief in the short-term, each is also associated with risks to the patient. Moreover, data on survival and quality-of-life following intervention is sparse. We propose that the pros and cons of each option should be evaluated not only from a clinical standpoint, but also within a larger framework that incorporates ethical principles and individual patient values. CONCLUSIONS The decision of how to manage LM-associated hydrocephalus is complex and requires close collaboration amongst the physician, patient, and/or patient's family/friends/community leaders. Ultimately, the decision should be rooted in the patients' values and should aim to optimize a patient's quality-of-life.
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Affiliation(s)
- Nayan Lamba
- Department of Neurosurgery, Computational Neurosciences Outcomes Center, Brigham and Women's Hospital, Boston, MA, USA
- Harvard Medical School, Boston, MA, USA
| | - Tim Fick
- Department of Neurosurgery, Brain Center Rudolf Magnus, University Medical Center Utrecht, Utrecht, The Netherlands
| | | | - Marike L Broekman
- Department of Neurosurgery, Computational Neurosciences Outcomes Center, Brigham and Women's Hospital, Boston, MA, USA.
- Department of Neurosurgery, Haaglanden Medical Center, The Hague, The Netherlands.
- Department of Neurosurgery, Leiden University Medical Center, PO Box 9600, 2300 RC, Leiden, The Netherlands.
- Department of Neurology, Massachusetts General Hospital, Boston, MA, USA.
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Roux A, Botella C, Still M, Zanello M, Dhermain F, Metellus P, Pallud J. Posterior Fossa Metastasis-Associated Obstructive Hydrocephalus in Adult Patients: Literature Review and Practical Considerations from the Neuro-Oncology Club of the French Society of Neurosurgery. World Neurosurg 2018; 117:271-279. [PMID: 29935321 DOI: 10.1016/j.wneu.2018.06.084] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/19/2018] [Accepted: 06/13/2018] [Indexed: 10/28/2022]
Abstract
BACKGROUND There is no consensus concerning the management of adult patients with posterior fossa metastasis-associated obstructive hydrocephalus, especially regarding surgical procedures. A literature review was performed to assess the surgical strategy in the management of patients with metastatic brain tumor. METHODS A literature search was conducted of PubMed in November 2017 to identify all studies concerning brain metastases and obstructive hydrocephalus in English. All studies (except case reports and pediatric studies) between December 1953 and November 2017 that were about posterior fossa metastasis-associated obstructive hydrocephalus in adult patients were eligible. Eligible studies were classified by level of evidence. We assessed epidemiology, clinical and imaging findings, neurosurgical management, and prognosis of adult patients with posterior fossa metastasis-associated obstructive hydrocephalus. We suggest some practical considerations and a management decision tree on behalf of the Neuro-oncology Club of the French Society of Neurosurgery, with evidence-based analysis. RESULTS Direct surgical resection could be considered for patients with asymptomatic obstructive hydrocephalus, and endoscopic third ventriculostomy seems to be a reasonable procedure for patients with symptomatic obstructive hydrocephalus. A ventriculoperitoneal or atrial shunt seems to be a valid alternative when patients have a history of central nervous system infection or ventricular hemorrhage, leptomeningeal carcinomatosis, or unfavorable anatomy for an endoscopic third ventriculostomy to be performed. CONCLUSIONS The Neuro-oncology Club of the French Society of Neurosurgery suggests a prospective assessment of these neurosurgical procedures to compare their safety and efficacy.
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Affiliation(s)
- Alexandre Roux
- Department of Neurosurgery, Sainte-Anne Hospital, Paris, France; Paris Descartes University, Sorbonne Paris Cité, Paris, France; Inserm, U894, IMA-Brain, Centre de Psychiatrie et Neurosciences, Paris, France
| | - Céline Botella
- Department of Neurosurgery, Sainte-Anne Hospital, Paris, France; Paris Descartes University, Sorbonne Paris Cité, Paris, France; Department of Neurosurgery, Henri-Mondor Hospital, Créteil, France
| | - Megan Still
- Department of Neurosurgery, Sainte-Anne Hospital, Paris, France; University of Texas Southwestern Medical Center, Dallas, Texas, USA
| | - Marc Zanello
- Department of Neurosurgery, Sainte-Anne Hospital, Paris, France; Paris Descartes University, Sorbonne Paris Cité, Paris, France; Inserm, U894, IMA-Brain, Centre de Psychiatrie et Neurosciences, Paris, France
| | - Frédéric Dhermain
- Department of Radiotherapy, Gustave Roussy University Hospital, Villejuif, France
| | - Philippe Metellus
- Department of Neurosurgery, Clairval Private Hospital, Ramsay-Générale de Santé, Marseille, France
| | - Johan Pallud
- Department of Neurosurgery, Sainte-Anne Hospital, Paris, France; Paris Descartes University, Sorbonne Paris Cité, Paris, France; Inserm, U894, IMA-Brain, Centre de Psychiatrie et Neurosciences, Paris, France.
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Abstract
The diagnosis of brain metastases is associated with a poor prognosis reflecting uncontrolled primary disease that has spread to the relative sanctuary of the central nervous system. 20 % of brain metastases occur in the posterior fossa and are associated with significant morbidity. The risk of acute hydrocephalus and potential for sudden death means these metastases are often dealt with as emergency cases. This approach means a full pre-operative assessment and staging of underlying disease may be neglected and a proportion of patients undergo comparatively high risk surgery with little or no survival benefit. This study aimed to assess outcomes in patients to identify factors that may assist in case selection. We report a retrospective case series of 92 consecutive patients operated for posterior fossa metastases between 2007 and 2012. Routine demographic data was collected plus data on performance status, primary cancer site, details of surgery, adjuvant treatment and survival. The only independent positive prognostic factors identified on multivariate analysis were good performance status (if Karnofsky performance score >70, hazard ratio (HR) for death 0.36, 95 % confidence interval (CI) 0.18–0.69), adjuvant whole brain radiotherapy (HR 0.37, 95 % CI 0.21–0.65) and adjuvant chemotherapy where there was extracranial disease and non-synchronous presentation (HR 0.51, 95 % CI 0.31–0.82). Patients presenting with posterior fossa metastases may not be investigated as thoroughly as those with supratentorial tumours. Staging and assessment is essential however, and in the meantime emergencies related to tumour mass effect should be managed with steroids and cerebrospinal fluid diversion as required.
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Marshall DC, Marcus LP, Kim TE, McCutcheon BA, Goetsch SJ, Koiso T, Alksne JF, Ott K, Carter BS, Hattangadi-Gluth JA, Yamamoto M, Chen CC. Management patterns of patients with cerebral metastases who underwent multiple stereotactic radiosurgeries. J Neurooncol 2016; 128:119-128. [DOI: 10.1007/s11060-016-2084-2] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/02/2015] [Accepted: 02/15/2016] [Indexed: 11/29/2022]
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Nigim F, Critchlow JF, Kasper EM. Role of ventriculoperitoneal shunting in patients with neoplasms of the central nervous system: An analysis of 59 cases. Mol Clin Oncol 2015; 3:1381-1386. [PMID: 26807251 DOI: 10.3892/mco.2015.627] [Citation(s) in RCA: 27] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/04/2015] [Accepted: 08/12/2015] [Indexed: 11/05/2022] Open
Abstract
Approximately 1-5% of patients with cerebral metastasis and ~40% of patients with primary brain tumors suffer from hydrocephalus. These patients often exhibit a poor prognosis. The aim of the present study was to reassess the validity of ventriculoperitoneal shunting (VPS) with the assistance of the general surgeon in oncological patients. A total of 59 patients underwent first-time VPS at the Beth Israel Deaconess Medical Center (Boston, USA) between 2004 and 2012; 40 patients had hydrocephalus from brain metastasis and 19 from primary tumors. The analyzed independent variables included demographics, body mass index, past medical history, clinical presentation, indication for surgery, Karnofsky performance status (KPS) score and surgical technique; the dependent variables were postoperative symptoms and occurrence, cause and time of shunt failure. The outcomes were analyzed with the t-test and Kaplan-Meier estimates for shunt survival. The mean age of the patients was 57.2 years and the mean operative time was 50.4 min. Symptomatic palliation was achieved in 93% of the cases; patients with severe symptoms, such as debilitating headaches, nausea and vomiting, benefited significantly from VPS. The mean follow-up time was 6.3 months; complications occurred in only 7 patients (11.8%) during follow-up: 2 in the proximal shunt (1 infection and 1 obstruction), both requiring revision, 1 infection in the distal catheter requiring shunt removal, 2 cases of intracerebral bleeding that were monitored with computed tomography scans, 1 wound infection treated with antibiotics and 1 valve complication that required temporary revision. The initial and 3-month KPS scores were 65±16.4 and 75±16.0, respectively. The mean overall shunt survival was 6.4 months (range, 1.0 day-76.0 months) from the placement of the VP shunt. At 3 months after VPS, 93.5% of the patients remained alive with functioning shunts and at 1 year 87% of the shunts were still functioning. In conclusion, VPS remains a valid option for cancer patients with low KPS, as it improves the quality of life in such patients, even in the setting of previous infection, hemorrhage, or leptomeningeal disease, since shunt patency outlasts the overall survival of nearly all patients.
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Affiliation(s)
- Fares Nigim
- Division of Neurosurgery, Beth Israel Deaconess Medical Center, Harvard Medical School, Boston, MA 02215, USA
| | - Jonathan F Critchlow
- Department of Surgery, Beth Israel Deaconess Medical Center, Harvard Medical School, Boston, MA 02215, USA
| | - Ekkehard M Kasper
- Division of Neurosurgery, Beth Israel Deaconess Medical Center, Harvard Medical School, Boston, MA 02215, USA
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Low YYS, Thomas J, Wan WK, Ng WH. Brain metastases as a cause of malignant cerebrospinal fluid ascites: case report and review of the literature. CNS Oncol 2015; 1:29-37. [PMID: 25054298 DOI: 10.2217/cns.12.2] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/27/2022] Open
Abstract
The development of cerebrospinal fluid ascites after a ventriculo-peritoneal shunt operation is an extremely rare complication. There have been only sporadic case reports and small series reviews published in regards to this condition. They are usually found in the context of primary brain tumors, usually affecting the pediatric population. We present an unusual case of a patient with known metastatic breast carcinoma to the brain who develops malignant cerebrospinal fluid ascites after a ventriculo-peritoneal shunt insertion. This is the first known adult case of a metastatic breast primary to the brain causing tumor dissemination via a ventriculo-peritoneal shunt.
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Affiliation(s)
- Yin Yee Sharon Low
- Department of Neurosurgery, National Neuroscience Institute, 11, Jalan Tan Tock Seng, 308433, Singapore
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10
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Results of endoscopic third ventriculostomy in elderly patients ≥65 years of age. Clin Neurol Neurosurg 2015; 130:48-54. [DOI: 10.1016/j.clineuro.2014.12.009] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/08/2014] [Revised: 12/01/2014] [Accepted: 12/20/2014] [Indexed: 11/23/2022]
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Endoscopic third ventriculostomy in treatment of hydrocephalus. Wideochir Inne Tech Maloinwazyjne 2013; 7:280-5. [PMID: 23362428 PMCID: PMC3557737 DOI: 10.5114/wiitm.2011.30810] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/28/2012] [Revised: 06/24/2012] [Accepted: 07/07/2012] [Indexed: 11/17/2022] Open
Abstract
Introduction Endoscopic third ventriculostomy (ETV) is a minimally invasive method of treatment of obstructive hydrocephalus (HCP). Aim To investigate perioperative and intraoperative difficulties, failures and complications of ETV. Material and methods Seventy-three procedures of ETV were conducted in our department in the last 5 years on 69 patients with HCP of different etiology. In 4 patients we performed ETV twice. In 4 cases we used neuronavigation. In 6 cases ETV was performed in conjunction with endoscopic biopsy of the tumor. In 6 cases we had to repeat the procedure (4) or implant a ventriculo-peritoneal shunt (2) due to recurrence of symptoms. Results In our series we had 3 important complications: one thalamic injury and 2 intraventricular hemorrhages. In 4 cases we observed postoperative hyperthermia with the presence of meningeal symptoms. Two cerebrospinal fluid (CSF) leaks were secured with additional stitches and 2 CSF infections were treated with antibiotics. In 1 patient epileptic seizers were observed. Three others complained of nausea and vomiting. The initial success rate of ETV is 70%. Conclusions Based on our material we conclude that ETV is a useful and helpful procedure in non-communicating HCP. It carries 4% perioperative risk of serious complications which can be reduced by proper selection of patients, detailed plan and skilful performance of surgery in experienced hands and meticulous postoperative care.
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Gonda DD, Kim TE, Warnke PC, Kasper EM, Carter BS, Chen CC. Ventriculoperitoneal shunting versus endoscopic third ventriculostomy in the treatment of patients with hydrocephalus related to metastasis. Surg Neurol Int 2012; 3:97. [PMID: 23061013 PMCID: PMC3463839 DOI: 10.4103/2152-7806.100185] [Citation(s) in RCA: 21] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/19/2012] [Accepted: 07/12/2012] [Indexed: 12/21/2022] Open
Abstract
Background: Between 2005 and 2010, we treated patients with hydrocephalus related to cerebral metastases, who were not good candidates for surgical resection by either endoscopic third ventriculostomy (ETV) or ventriculoperitoneal shunting (VPS). Patients were excluded from ETV if they had a clinical history suggestive of non-obstructive hydrocephalus, including: (1) history of infection or ventricular hemorrhage and (2) leptomeningeal carcinomatosis. The rest of the patients were treated with VPS. Methods: We analyzed the clinical outcome of these patient cohorts, to determine whether the efficacy of VPS was compromised due to a history of infection, ventricular hemorrhage, or leptomeningeal carcinomatosis, and compared these results to those patients who underwent ETV. Results: Sixteen patients were treated with ETV and 36 patients were treated with VPS. The overall efficacy of symptomatic palliation was comparable in the ETV and VPS patients (ETV = 69%, VPS = 75%). In both groups, patients with more severe hydrocephalic symptoms such as nausea, vomiting, and lethargy were more likely to benefit from the procedure. The overall complication rate for the two groups was comparable (ETV = 12.6%, VPS = 19.4%), although the spectrum of complications differed. The overall survival, initial Karnofsky performance status (KPS), and three-month KPS, were similarly comparable (median survival: ETV 3 months, VPS 5.5 months; initial KPS: ETV = 66 ± 7, VPS = 69 ± 12; 3 months KPS: ETV = 86 ± 7, KPS = 84 ± 12). Conclusion: VPS remains a reasonable option for poor RPA grade metastasis patients with hydrocephalus, even in the setting of a previous infection, hemorrhage, or in those with leptomeningeal disease. Optimal treatment of this population will involve the judicious consideration of the relative merits of VPS and ETV.
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Affiliation(s)
- David D Gonda
- Department of Neurosurgery, University of California, San Diego, USA ; Center for Theoretic and Applied Neuro-Oncology, University of California, San Diego, USA
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