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Pedersen SH, Prein TH, Ammar A, Grotenhuis A, Hamilton MG, Hansen TS, Kehler U, Rekate H, Thomale UW, Juhler M. How to define CSF overdrainage: a systematic literature review. Acta Neurochir (Wien) 2023; 165:429-441. [PMID: 36639536 DOI: 10.1007/s00701-022-05469-3] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/27/2022] [Accepted: 12/20/2022] [Indexed: 01/15/2023]
Abstract
PURPOSE Overdrainage (OD) is one of the most frequent complications related to drainage of the cerebrospinal fluid (CSF). It is mostly associated with valve-bearing shunt systems but should probably be considered as a risk factor in any type of CSF diversion procedure. There is extreme variation in the reported incidence of OD due to the lack of consensus on defining criteria and an unclear perception of the pathophysiology. Hence, OD is probably underreported and underestimated. The objective of this paper was to establish a definition of OD, based on a systematic review of the literature. METHODS A systematic search was conducted in MEDLNE and EMBASE. Studies providing a definition or a description of diagnostic findings related to OD in ventriculoperitoneal shunt treated hydrocephalus were included. Non-English titles, abstracts and manuscripts were excluded. Extracted descriptions were graded into five groups (class I-V studies) based on how precise the terminology used to describe OD was. Class I studies were included for further analysis and characteristics of OD were extracted. The quality of included descriptions was assessed by a clinical expert panel. RESULTS A total of 1309 studies were screened, 190 were graded into groups, and 22, which provided specific definitions or descriptions of OD, were graded as class I studies. We extracted 32 different characteristics consistent with OD (e.g., clinical symptoms, radiological signs, and syndromes). CONCLUSION There was an overall agreement that CSF overdrainage following implantation of a ventriculoperitoneal shunt in a mixed pediatric and adult population is characterized as a persistent condition with clinically manifestations as postural dependent headache, nausea, and vomiting and/or radiological signs of slim ventricles and/or subdural collections.
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Affiliation(s)
| | - Tobias Hannibal Prein
- Centre for Orthopaedic Research and Innovation, Slagelse Hospital, Slagelse, Denmark
| | - Ahmed Ammar
- Department of Neurosurgery, King Fahd University Hospital, Al Khobar, Saudi Arabia
| | | | - Mark G Hamilton
- Department of Clinical Neurosciences, Division of Neurosurgery, University of Calgary, Calgary, Canada
| | | | - Uwe Kehler
- Department of Neurosurgery, Asklepios Klinik Altona, Hamburg, Germany
| | - Harold Rekate
- The Donald and Barbara Zucker Hofstra Northwell School of Medicine, Hempstead, New York, USA
| | | | - Marianne Juhler
- Department of Neurosurgery, Copenhagen University Hospital, Copenhagen, Denmark.,Department of Neurosurgery, Aarhus University Hospital, Aarhus, Denmark
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Alhaj AK, Al-Saadi T, Hébert-Blouin MN, Petrecca K, Dudley RWR. Endoscopic third ventriculostomy for VP shunt malfunction during the third trimester of pregnancy: illustrative case. JOURNAL OF NEUROSURGERY: CASE LESSONS 2021; 1:CASE2054. [PMID: 35854929 PMCID: PMC9241321 DOI: 10.3171/case2054] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 10/06/2020] [Accepted: 10/28/2020] [Indexed: 11/06/2022]
Abstract
BACKGROUNDEndoscopic third ventriculostomy (ETV) is a successful procedure for treating noncommunicating hydrocephalus as an alternative to initial ventriculoperitoneal (VP) shunt placement and as a salvage procedure when a VP shunt fails. Physiological changes of pregnancy can lead to VP shunt failure and complicate the management of shunt malfunction, particularly in the third trimester.OBSERVATIONSThe authors present a case in which an ETV was successfully used in the third trimester (31 weeks of gestation) of pregnancy for acute hydrocephalus due to VP shunt malfunction, and the patient went on to deliver a healthy baby at term; the patient remained well in the long-term follow-up. An English-language PubMed literature review revealed four cases of VP shunt failure successfully treated with an ETV in the first or second trimester but no such reports in the third trimester of pregnancy.LESSONSETV appears to be a safe and effective alternative to VP shunt replacement in the late prenatal period of pregnancy.
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Affiliation(s)
- Ahmad K. Alhaj
- Department of Neurosurgery, Ibn Sina Hospital, Ministry of Health, Kuwait City, Kuwait
| | - Tariq Al-Saadi
- Department of Neurology and Neurosurgery, Montreal Neurological Institute-Hospital, McGill University, Montreal, Quebec, Canada; and
| | - Marie-Noëlle Hébert-Blouin
- Department of Neurology and Neurosurgery, Montreal Neurological Institute-Hospital, McGill University, Montreal, Quebec, Canada; and
| | - Kevin Petrecca
- Department of Neurology and Neurosurgery, Montreal Neurological Institute-Hospital, McGill University, Montreal, Quebec, Canada; and
| | - Roy W. R. Dudley
- Division of Neurosurgery, Department of Pediatric Surgery, McGill University, Montreal, Quebec, Canada
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Gondar R, Rogers A, Momjian S. Subdural hematoma after endoscopic third ventriculostomy: Struggling against the Laplace law. Neurochirurgie 2015; 61:347-51. [PMID: 26255033 DOI: 10.1016/j.neuchi.2015.06.003] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/15/2015] [Revised: 04/27/2015] [Accepted: 06/05/2015] [Indexed: 11/18/2022]
Abstract
BACKGROUND Endoscopic third ventriculostomy (ETV) is an ideal treatment for obstructive hydrocephalus. Although ETV is a safe procedure, several complications related to this procedure have been reported in the literature. We present a rare case of late onset symptomatic bilateral subdural hematoma after an uneventful ETV that proved particularly difficult to solve. CASE DESCRIPTION A 61-year-old male patient presented in our neurosurgery department three months after ETV (aqueductal stenosis) with progressive headaches and anomic aphasia. The MRI revealed bilateral chronic subdural hematomas (chSDH). They were treated via a burr hole evacuation, subduroperitoneal and external subdural drains proving to be refractory to the first two strategies. Postoperatively, his headaches improved. At the last follow-up the patient's status remains improved and there is no radiological evidence of significant residual collections. CONCLUSION This case confirms that chSDH formation is a rare possible complication following ETV even in the presence of a normal early postoperative image. Patients should be followed-up more closely for possible subdural collection formation. In the cases of very long-term hydrocephalus with a thin cerebral mantle, brain elastic properties are likely to be altered. As there is no possibility to close the internal shunt, the stoma, we advocate external subdural drainage to reinflate the brain, in the first intention or at least after an initial failed burr hole evacuation.
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Affiliation(s)
- R Gondar
- Faculty of Medicine, Geneva University Hospitals, Geneva, Switzerland.
| | - A Rogers
- Faculty of Medicine, Geneva University Hospitals, Geneva, Switzerland
| | - S Momjian
- Faculty of Medicine, Geneva University Hospitals, Geneva, Switzerland
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Endoscopic third ventriculostomy - effectiveness of the procedure for obstructive hydrocephalus with different etiology in adults. Wideochir Inne Tech Maloinwazyjne 2014; 9:586-95. [PMID: 25561997 PMCID: PMC4280426 DOI: 10.5114/wiitm.2014.46076] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/12/2014] [Revised: 07/29/2014] [Accepted: 09/21/2014] [Indexed: 12/03/2022] Open
Abstract
Introduction After a time of domination of shunt placement, endoscopic third ventriculostomy (ETV) has been increasingly applied in treatment of obstructive hydrocephalus. Aim To assess the effectiveness of ETV in treatment of adults with three-ventricle hydrocephalus of different etiology. Material and methods Ninety-six patients with obstructive hydrocephalus were studied: 24 with primary aqueductal stenosis, 61 with brain tumor, and 2 with basilar tip aneurysm. In 9 patients the etiology of hydrocephalus remained undetermined. The assessment of treatment results was based on clinical and radiological criteria. Results Clinical improvement was observed in 74 (77.1%) patients, and radiological improvement in 52 (54.2%). One patient died. Follow-up of 24 patients with primary aqueductal stenosis has shown that in 20 (83.3%) of them clinical improvement has been stable, and in 14 (58.3%) radiological improvement has been observed. Two patients required shunt placement due to hydrocephalus recurrence 12–24 months after the ETV procedure. Among 9 patients with undefined hydrocephalus, 3 required shunt placement within 6 months after ETV (2 shunted previously). Endoscopic third ventriculostomy treatment in a patient with hydrocephalus caused by basilar tip aneurysm succeeded. The assessment of ETV effectiveness in oncological patients has been indirect in view of the underlying disease. Conclusions The best results of ETV treatment have been demonstrated for patients with primary aqueductal stenosis. Ventricle size cannot determine the effectiveness of treatment as an individual requirement. Endoscopic third ventriculostomy is effective in previously shunted patients although the prediction of outcome should be cautious. Endoscopic third ventriculostomy enables preparation for further therapy and is palliative treatment in oncological patients with secondary hydrocephalus.
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Neuroendoscopy in the Youngest Age Group. World Neurosurg 2013; 79:S23.e1-11. [DOI: 10.1016/j.wneu.2012.02.003] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/24/2011] [Accepted: 02/02/2012] [Indexed: 12/13/2022]
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Xiao B, Roth J, Udayakumaran S, Beni-Adani L, Constantini S. Placement of Ommaya reservoir following endoscopic third ventriculostomy in pediatric hydrocephalic patients: a critical reappraisal. Childs Nerv Syst 2011; 27:749-55. [PMID: 21181175 DOI: 10.1007/s00381-010-1371-z] [Citation(s) in RCA: 9] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 08/22/2010] [Accepted: 12/08/2010] [Indexed: 12/11/2022]
Abstract
PURPOSE Endoscopic third ventriculostomy (ETV) has become standard for obstructive hydrocephalus. Even a successful ETV can obstruct, leading to recurrence of symptoms and even death. A possible solution to this problem is leaving an Ommaya reservoir (OR) following the ETV. OR can be tapped in an emergency and for diagnostic purposes. No specific complications have been attributed to OR in this setting. We present our experience with OR in children undergoing ETV for hydrocephalus. MATERIALS AND METHODS A retrospective study was conducted in hydrocephalic children that underwent ETV with OR insertion over 13 years (1997-2010) from a single institution. Data were collected from charts and follow-ups. RESULTS Twelve patients (from 200 patients who had an ETV) underwent placement of OR with ETV. OR was reserved for a subgroup of patients in whom we anticipated complications-in children that presented with acute hydrocephalus and were in deteriorating condition, for pathologies believed to have a low predicted ETV success rate, or when the surgeon felt that the ETV procedure was suboptimal. OR was tapped in eight patients. Complications occurred in four patients: two cases of subdural effusion, one case of chronic subdural hematoma, and one CSF leak. Four ORs were removed due to complications, and four were converted to shunts. CONCLUSIONS OR should be considered in selected patients undergoing ETV. Despite its obvious advantages, OR may be associated with a relatively high risk of extraaxial fluid collections. This association requires further investigation.
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Affiliation(s)
- Bo Xiao
- Department of Pediatric Neurosurgery, Dana Children's Hospital, Tel Aviv Sourasky Medical Center, Tel Aviv University, Tel Aviv, 64239, Israel
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Abstract
OBJECTS Although endoscopic third ventriculostomy (ETV) is considered as the first choice in the management of noncommunicating hydrocephalus, it is not without risk or complication. METHODS The patients who had undergone ETV only between 1998 and 2005 were retrospectively reviewed. There were 85 males and 70 females, and 173 ETVs were performed in 155 patients. The patients' age ranged from 2 months to 77 years. Complications were categorized as (1) intraoperative, (2) early postoperative (<1 month), and (3) late postoperative (>1 month). Follow-up of the patients ranged from 1 to 86 months. RESULTS Overall complication rate per patient was 15.4%, and complication per procedure was 18%. Complication rate significantly varied with the etiology of hydrocephalus (P = 0.013). The patients with Chiari type I malformation and tumor had no or very low complication rates. The complication risk was significantly higher in repeat endoscopic procedure (55.5%) than in the first procedure (10%; P = 0.0001). CONCLUSION ETV should be the first choice in the management of noncommunicating hydrocephalus. Training, experience, and meticulous technique will decrease the complication rate. Patients undergoing ETV should be followed in a similar manner to patients with cerebrospinal fluid shunts.
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Affiliation(s)
- Yusuf Erşahin
- Division of Pediatric Neurosurgery, Ege University Faculty of Medicine, Izmir, Turkey.
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Wiewrodt D, Schumacher R, Wagner W. Hygromas after endoscopic third ventriculostomy in the first year of life: incidence, management and outcome in a series of 34 patients. Childs Nerv Syst 2008; 24:57-63. [PMID: 17619886 DOI: 10.1007/s00381-007-0407-5] [Citation(s) in RCA: 8] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 05/05/2007] [Revised: 05/29/2007] [Indexed: 10/23/2022]
Abstract
BACKGROUND Overdrainage in shunted patients is a known predisposing factor for the formation of hygromas, but little is known about risk factors in endoscopic third ventriculocisternostomy (ETV). MATERIALS AND METHODS We retrospectively analysed data of 34 patients younger than 1 year with obstructive hydrocephalus, undergoing ETV, with respect to incidence, management, outcome and possible risk factors for the formation of hygromas. Hygromas were arbitrarily defined as a collection of cerebrospinal fluid of more than 10 mm in diameter over the paramedian hemispheric convexities, diagnosed by ultrasonography. RESULTS They occurred in 9 of 34 (26%) patients 3 to 28 days after ETV. They were on the operated side in four and bi-lateral in five cases. There was no relevant age difference between patients with hygromas (median 127 days) and those without hygromas (median 166 days). Etiology of obstructive hydrocephalus had no impact on the frequency of hygromas. Hygromas occurred somewhat less frequently when a paediatric endoscope with an outer diameter of 3 mm was used for ETV instead of an endoscope with a diameter of 6 mm. Hygromas were asymptomatic and conservatively managed in five cases; 4 of 34 (12%) patients underwent surgery because of clinical symptoms of increasing intracranial pressure or increasing hygroma diameter. Two patients were treated with a temporary external drainage only and another two patients with an external drainage first and eventually a subduro-peritoneal shunt. There were no neurological long-term sequelae. CONCLUSION Clear predisposing factors for the formation of hygromas could not be identified, but the outer diameter of the endoscope may play a role.
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Affiliation(s)
- Dorothee Wiewrodt
- Neurochirurgische Klinik und Poliklinik, Bereich Pädiatrische Neurochirurgie, Johannes Gutenberg-Universität, Langenbeckstr. 1, 55131, Mainz, Germany.
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Cinalli G, Spennato P, Ruggiero C, Aliberti F, Trischitta V, Buonocore MC, Cianciulli E, Maggi G. Complications following endoscopic intracranial procedures in children. Childs Nerv Syst 2007; 23:633-44. [PMID: 17447074 DOI: 10.1007/s00381-007-0333-6] [Citation(s) in RCA: 72] [Impact Index Per Article: 4.2] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 09/15/2006] [Indexed: 11/25/2022]
Abstract
BACKGROUND The significant technological improvement of endoscopic instrumentation has allowed, in the last 10 years, a widespread diffusion of neuroendoscopic procedures. Nevertheless, severe, sometimes life-threatening, complications may occur during neuroendoscopic surgery, and the incidence and age specificity of complications in children have been underdescribed so far. MATERIALS AND METHODS Complications recorded in a prospectively collected database of pediatric patients undergoing neuroendoscopic procedures were analysed; the medical histories of the patients and the surgical procedures were reviewed. RESULTS Complications occurred in 32 out of 231 (13.8%) procedures performed for the management of obstructive hydrocephalus (137), multiloculated hydrocephalus (53), arachnoid cysts (29) and intraventricular tumors (12). Subdural hygroma occurred in 11 cases, seven requiring subdural shunting. In one of these cases, infection of the subdural space occurred and required a craniotomy. Cerebrospinal fluid (CSF) infection occurred in 11 cases. In one case, a frontal abscess developed and was managed with craniotomy. CSF leak occurred in nine cases, intraventricular haemorrhages in two, technical failures in seven, subcutaneous CSF collection (managed with lumbo-peritoneal shunt) in one, thalamic contusion and post-operative transient akinetic mutism in one. This patient suddenly died 6 months later, probably as a consequence of closure of the stoma. Two patients developed secondary compartmentalisation of the ventricles after complicated endoscopic third ventriculostomy. In nine cases, these complications were associated. Overall, no patient died after the procedure (operative mortality 0), one patient died 6 months after the procedure for unexplained events (sudden death rate 0.4%), and three patients presented permanent disability as a consequence of surgical complication (permanent morbidity 1.3%). CONCLUSIONS Complication rate of neuro-endoscopic procedures is not negligible even in experienced hands. The majority are minor complications which do not affect the final outcome, but sporadically major events may occur, leading to significant problems in surgical management and, occasionally, to permanent disabilities. Careful selection of patients on pre-operative imaging studies and intensive training of surgeons are mandatory to improve results.
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Affiliation(s)
- Giuseppe Cinalli
- Department of Pediatric Neurosurgery, Santobono Children's Hospital, Naples, Italy.
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10
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Kurschel S, Ono S, Oi S. Risk reduction of subdural collections following endoscopic third ventriculostomy. Childs Nerv Syst 2007; 23:521-6. [PMID: 17221272 DOI: 10.1007/s00381-006-0278-1] [Citation(s) in RCA: 19] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 10/06/2006] [Indexed: 11/30/2022]
Abstract
OBJECT To evaluate the efficacy and safety using fibrin glue and absorbable hemostats for packing the endoscopic tract in a pediatric population in the prevention of subdural fluid collections after endoscopic third ventriculostomy. MATERIALS AND METHODS Twenty-one endoscopic third ventriculostomies were performed in 20 hydrocephalic children with a mean age of 22 months over a 4-year period using uniformly this technique. Six children, with age ranged 6 days to 22 months (mean 9 months), had severe ventriculomegaly with thin brain mantle less than 10 mm. There was no mortality and no permanent morbidity related to the endoscopic procedure. One child developed an asymptomatic collection, which could be managed conservatively and was most likely attributed to the young age of the child and the assumed poor cerebrospinal fluid absorption ability. Lost compliance of the brain parenchyma may play an additional role, which was not related to the thickness of the brain mantle. No adverse effects regarding the material used for sealing were observed over a mean follow-up of 23 months. CONCLUSIONS Subdural fluid collections could be prevented in 20 out of 21 procedures by using this technique regardless of the thickness of the brain mantle, the application of mixture of fibrin glue and hemostatic agents seems to be safe, and we consider this technique effective in reducing the risk of this potential complication.
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Affiliation(s)
- Senta Kurschel
- Division of Pediatric Neurosurgery, Department of Neurosurgery, School of Medicine, Jikei University, 3-25-8 Nishi-Shinbashi, Minato-ku, 105-8461, Tokyo, Japan
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Di Rocco C, Massimi L, Tamburrini G. Shunts vs endoscopic third ventriculostomy in infants: are there different types and/or rates of complications? A review. Childs Nerv Syst 2006; 22:1573-89. [PMID: 17053941 DOI: 10.1007/s00381-006-0194-4] [Citation(s) in RCA: 126] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 10/28/2005] [Indexed: 10/24/2022]
Abstract
INTRODUCTION The decision-making process when we compare endoscopic third ventriculostomy (ETV) with shunts as surgical options for the treatment of hydrocephalus in infants is conditioned by the incidence of specific and shared complications of the two surgical procedures. REVIEW Our literature review shows that the advantages of ETV in terms of complications are almost all related to two factors: (a) the avoidance of a foreign body implantation and (b) the establishment of a 'physiological' cerebrospinal fluid (CSF) circulation. Both these kinds of achievements are particularly important in infants because of the relative high rate of some intraoperative (i.e. abdominal) and late (secondary craniosynostosis, slit-ventricle syndrome) shunt complications in this specific subset of patients. On the other side, the main factor which is claimed against ETV is the relatively high risk of immediate mortality and neurological complications. Clinical manifestations of neurological structure damage seem to be more frequent in infants, probably due to the more relevant effect of parenchymal and vascular damage in this age group; however, both the immediate mortality and neurological damage risk of ETV procedures should be weighted against the long-term mortality and the late neurological damage which is not infrequently described as a consequence of shunt malfunction and proximal shunt revision procedures. Infections are possible in both ETV and extrathecal CSF procedures, especially in infants. However, the incidence of infective complications is significantly lower in case of ETV (1-5% vs 1-20%). Moreover, different from shunting procedures, infections in children with third ventriculostomy have a more benign course, being generally controlled by antibiotic treatment alone.
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Affiliation(s)
- C Di Rocco
- Pediatric Neurosurgical Unit, Catholic University, Largo A. Gemelli, Rome, Italy.
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Kamel MH, Murphy M, Aquilina K, Marks C. Subdural haemorrhage following endoscopic third ventriculostomy. A rare complication. Acta Neurochir (Wien) 2006; 148:591-3. [PMID: 16475020 DOI: 10.1007/s00701-005-0715-z] [Citation(s) in RCA: 10] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/25/2022]
Abstract
Subdural collections or hematomas are frequently observed after shunt placement [7-9, 13], but rarely after ETV [6]. A review of literature revealed 7 cases [1, 5, 6, 10, 12], of which only 1 was symptomatic [5]. We will discuss the causes, management, and methods of prevention of this complication and we will present a case of symptomatic subdural haematoma, following endoscopic third ventriculostomy for illustration.
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Affiliation(s)
- M H Kamel
- The National Department of Neurosurgery, Beaumont Hospital, and Neurosurgery Department, Cork University Hospital, Republic of Ireland.
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Kadrian D, van Gelder J, Florida D, Jones R, Vonau M, Teo C, Stening W, Kwok B. Long-term Reliability of Endoscopic Third Ventriculostomy. Neurosurgery 2005; 56:1271-8; discussion 1278. [PMID: 15918943 DOI: 10.1227/01.neu.0000159712.48093.ad] [Citation(s) in RCA: 97] [Impact Index Per Article: 5.1] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/18/2004] [Accepted: 02/07/2005] [Indexed: 11/19/2022] Open
Abstract
Abstract
OBJECTIVE:
To describe the short-term operative success and the long-term reliability of endoscopic third ventriculostomy (ETV) for treatment of hydrocephalus and to examine the influence of diagnosis, age, and previous shunt history on these outcomes.
METHODS:
We retrospectively analyzed 203 consecutive patients from a single institution who had ETV as long as 22.6 years earlier. Patients with hydrocephalus from aqueduct stenosis, myelomeningocele, tumors, arachnoid cysts, previous infection, or hemorrhage were included.
RESULTS:
The overall probability of successfully performing an ETV was 89% (84–93%). There was support for an association between the surgical success and the individual operating surgeon (odds ratios for success, 0.44–1.47 relative to the mean of 1.0, P = 0.08). We observed infections in 4.9%, transient major complications in 7.2%, and major and permanent complications in 1.1% of 203 procedures. Age was strongly associated with long-term reliability. The longest observed reliability for the 13 patients 0 to 1 month old was 3.5 years. The statistical model predicted the following reliability at 1 year after insertion: at 0 to 1 month of age, 31% (14–53%); at 1 to 6 months of age, 50% (32–68%); at 6 to 24 months of age, 71% (55–85%); and more than 24 months of age, 84% (79–89%). There was no support for an association between reliability and the diagnostic group (n = 181, P = 0.168) or a previous shunt. Sixteen patients had ETV repeated, but only 9 were repeated after at least 6 months. Of these, 4 procedures failed within a few weeks, and 2 patients were available for long-term follow-up.
CONCLUSION:
Age was the only factor statistically associated with the long-term reliability of ETV. Patients less than 6 months old had poor reliability.
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Affiliation(s)
- David Kadrian
- Department of Neurosurgery, Prince of Wales Hospital, Sydney, Australia
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14
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Abstract
In 10% of adult patients with hydrocephalus, the cause is because of aqueductal stenosis (AS), causing enlargement of the lateral and third ventricles. There are currently two alternate forms of surgical treatment for AS; shunt surgery and ventriculostomy. Shunt surgery is associated with high complication rates and many patients need revisions, but the effectiveness is high. Endoscopic third ventriculostomy (ETV), re-establishing a physiological route of CSF dynamics, has become the treatment of choice for AS in most neurosurgical centers. ETV has fewer complications and revisions are rare, but some patients need shunt surgery to improve despite a patent ventriculostomy. There are today no common criteria for patient selection to either ETV or ventriculo-peritoneal shunt surgery.
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Affiliation(s)
- M Tisell
- Institute of Clinical Neuroscience, Sahlgrenska University Hospital, Göteborg University, Sweden.
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15
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Kim BS, Jallo GI, Kothbauer K, Abbott IR. Chronic subdural hematoma as a complication of endoscopic third ventriculostomy. ACTA ACUST UNITED AC 2004; 62:64-8; discussion 68. [PMID: 15226075 DOI: 10.1016/j.surneu.2003.07.001] [Citation(s) in RCA: 22] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/15/2002] [Accepted: 07/16/2003] [Indexed: 11/23/2022]
Abstract
BACKGROUND Endoscopic third ventriculostomy has become a popular alternative to ventricular shunts for noncommunicating hydrocephalus. Although endoscopic third ventriculostomy is a safe procedure, several complications related to this procedure have been reported in the literature. The authors present a rare case of symptomatic bilateral subdural hematomas after an uneventful endoscopic third ventriculostomy. CASE DESCRIPTION A 51-year-old male patient presented with symptoms of obstructive hydrocephalus, headaches and memory disturbance. Magnetic resonance imaging demonstrated hydrocephalus secondary to aqueductal stenosis. An endoscopic third ventriculostomy was performed. The patient was discharged home in several days without complication. He then presented with headaches 3 weeks following surgery. A computed tomography study demonstrated bilateral subdural hematomas. These were treated with burr hole evacuation and drainage. Postoperatively, his headaches improved. At last follow-up he remains symptom-free and has radiographic evidence of a patent ventriculostomy. CONCLUSION This case confirms chronic subdural hematoma formation is a possible complication following third ventriculostomy. Patients should be followed closely for possible subdural hematoma formation.
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Affiliation(s)
- Bong-Soo Kim
- Division of Pediatric Neurosurgery, Institute for Neurology and Neurosurgery, Beth Israel Medical Center, New York, New York, USA
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Freudenstein D, Wagner A, Ernemann U, Duffner F. Subdural hygroma as a complication of endoscopic neurosurgery--two case reports. Neurol Med Chir (Tokyo) 2002; 42:554-9. [PMID: 12513028 DOI: 10.2176/nmc.42.554] [Citation(s) in RCA: 25] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/20/2022] Open
Abstract
Two cases of subdural hygroma occurred in a series of 77 neuroendoscopic procedures. An 8-year-old boy underwent neuroendoscopic cysto-cisternostomy of a left temporal arachnoid cyst. Routine postoperative magnetic resonance imaging 7 days later showed a large left-sided subdural hygroma without clinical symptoms. During the following 3 months, the subdural hygroma did not resolve spontaneously, so it was drained through a burr hole. A 3-month-old boy with aqueductal stenosis developed bilateral subdural hygromas after third ventriculostomy. Several punctures through the open anterior fontanelle relieved the hygromas but increasing head circumference required ventriculoperitoneal shunting 12 months later. Complications of neuroendoscopic procedures are increasingly reported, including various kinds of bleeding, infections, or damage of neuronal tissue. Only three previous cases of subdural hygroma or hematoma after neuroendoscopic interventions have been reported. The possible etiologies and clinical consequences of this rare complication have to be considered before selecting neuroendoscopy treatment.
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Affiliation(s)
- Dirk Freudenstein
- Department of Neurosurgery, University Hospital-Eberhard-Karls-University Tübingen, Tübingen, Germany.
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