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Roethlisberger M, Eberhard NE, Rychen J, Al-Zahid S, Jayapalan RR, Zweifel C, Karuppiah R, Waran V. Supratentorial cerebrospinal fluid diversion using image-guided trigonal ventriculostomy during retrosigmoid craniotomy for cerebellopontine angle tumors. Front Surg 2023; 10:1198837. [PMID: 37288135 PMCID: PMC10242017 DOI: 10.3389/fsurg.2023.1198837] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/02/2023] [Accepted: 04/24/2023] [Indexed: 06/09/2023] Open
Abstract
Background Cerebellar contusion, swelling and herniation is frequently encoutered upon durotomy in patients undergoing retrosigmoid craniotomy for cerebellopontine angle (CPA) tumors, despite using standard methods to obtain adequate cerebellar relaxation. Objective The aim of this study is to report an alternative cerebrospinal fluid (CSF)-diversion method using image-guided ipsilateral trigonal ventriculostomy. Methods Single-center retro- and prospective cohort study of n = 62 patients undergoing above-mentioned technique. Prior durotomy, CSF-diversion was performed to the point where the posterior fossa dura was visibly pulsatile. Outcome assessment consisted of the surgeon's intra- and postoperative clinical observations, and postoperative radiological imaging. Results Fifty-two out of n = 62 (84%) cases were eligible for analysis. The surgeons consistently reported successful ventricular puncture and a pulsatile dura prior durotomy without cerebellar contusion, swelling or herniation through the dural incision in n = 51/52 (98%) cases. Forty-nine out of n = 52 (94%) catheters were placed correctly within the first attempt, with the majority of catheter tips (n = 50, 96%) located intraventricularly (grade 1 or 2). In n = 4/52 (8%) patients, postoperative imaging revealed evidence of a ventriculostomy-related hemorrhage (VRH) associated with an intracerebral hemorrhage [n = 2/52 (4%)] or an isolated intraventricular hemorrhage [n = 2/52 (4%)]. However, these hemorrhagic complications were not associated with neurological symptoms, surgical interventions or postoperative hydrocephalus. None of the evaluated patients demonstrated radiological signs of upward transtentorial herniation. Conclusion The method described above efficiently allows CSF-diversion prior durotomy to reduce cerebellar pressure during retrosigmoid approach for CPA tumors. However, there is an inherent risk of subclinical supratentorial hemorrhagic complications.
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Affiliation(s)
- Michel Roethlisberger
- Department of Neurosurgery, University Hospital Basel, University of Basel, Basel, Switzerland
- Faculty of Medicine, University of Basel, Basel, Switzerland
- Department of Surgery, Division of Neurosurgery, University Malaya, Jalan Universiti, Kuala Lumpur, Malaysia
- Department of Otorhinolaryngology (ORL), University Malaya Specialist Centre, University of Malaya, Jalan Universiti, Kuala Lumpur, Malaysia
| | | | - Jonathan Rychen
- Department of Neurosurgery, University Hospital Basel, University of Basel, Basel, Switzerland
| | - Saif Al-Zahid
- Department of Otorhinolaryngology (ORL), University Malaya Specialist Centre, University of Malaya, Jalan Universiti, Kuala Lumpur, Malaysia
- Department of Otorhinolaryngology, Hereford County Hospital, Hereford, United Kingdom
| | - Ronie Romelean Jayapalan
- Department of Surgery, Division of Neurosurgery, University Malaya, Jalan Universiti, Kuala Lumpur, Malaysia
| | - Christian Zweifel
- Department of Neurosurgery, University Hospital Basel, University of Basel, Basel, Switzerland
- Faculty of Medicine, University of Basel, Basel, Switzerland
- Department of Neurosurgery, Cantonal Hospital Graubuenden, Chur, Graubuenden, Switzerland
| | - Ravindran Karuppiah
- Department of Surgery, Division of Neurosurgery, University Malaya, Jalan Universiti, Kuala Lumpur, Malaysia
| | - Vicknes Waran
- Department of Surgery, Division of Neurosurgery, University Malaya, Jalan Universiti, Kuala Lumpur, Malaysia
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Garg K, Gupta D, Singh M, Chandra PS, Kale SS. Comparison of a bolt-connected external ventricular drain with a tunneled external ventricular drain - a narrative review and meta-analysis. Neurosurg Rev 2021; 45:937-949. [PMID: 34490538 DOI: 10.1007/s10143-021-01639-6] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/22/2021] [Revised: 08/26/2021] [Accepted: 08/31/2021] [Indexed: 01/15/2023]
Abstract
External ventricular drain (EVD) is one of the most commonly performed neurosurgical procedures. EVD can be associated with high rates of complications like misplacement, iatrogenic hemorrhage, and CSF infection. Several modifications have been proposed in the EVD insertion techniques to decrease the risk of these complications. Bolt-connected EVD, one of these modifications which involves insertion of a bolt in the burr hole, has been proposed to have better chances of optimal placement of EVD tip, lesser risk of CSF infection, and accidental pullout. A comprehensive search of different databases was performed to retrieve studies comparing the bolt-connected EVD with tunneled EVD and meta-analysis was done. Seven studies met inclusion criteria and were included in the meta-analysis. Our analysis revealed that bolt-connected EVD is associated with significantly better chances of optimal placement than traditional tunneled EVD (MH OR-1.65, 95% CI 1.14 to 2.40, p = 0.008). We also observed that bolt-connected EVD is associated with significantly decreased risk of CSF infection (MH OR-0.60, 95% CI 0.39 to 0.94, p = 0.026), EVD malfunction (MH OR-0.31, 95% CI 0.16 to 0.58, p = 0.0003), and accidental disconnection (MH OR-0.09, 95% CI 0.03 to 0.26, p < 0.0001) as compared to traditional tunneled EVD. The difference between the two techniques was not statistically significant for complications, multiple punctures done for insertion of EVD, iatrogenic intracranial, and need of reoperation. Bolt-connected external ventricular drain is associated with significantly more chances of optimal placement and lesser chances of accidental discontinuation and CSF infection than tunneled EVD. There was no statistically significant difference noted between the two techniques for multiple punctures done for insertion of EVD, iatrogenic intracranial hemorrhage and need of reoperation. However, most of the included studies were retrospective. Thus, the results from the meta-analysis should be interpreted with caution as further prospective high-quality studies are needed.
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Affiliation(s)
- Kanwaljeet Garg
- Department of Neurosurgery, All India Institute of Medical Sciences, New Delhi, India.
| | - Deepak Gupta
- Department of Neurosurgery, All India Institute of Medical Sciences, New Delhi, India
| | - Manmohan Singh
- Department of Neurosurgery, All India Institute of Medical Sciences, New Delhi, India
| | - P Sarat Chandra
- Department of Neurosurgery, All India Institute of Medical Sciences, New Delhi, India
| | - Shashank Sharad Kale
- Department of Neurosurgery, All India Institute of Medical Sciences, New Delhi, India
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