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Patel A, Golub D, Guerrero Zuniga A, Kaufman B. Iatrogenic haemoperitoneum requiring transfusion after ventriculoperitoneal shunt placement: case report. Br J Neurosurg 2023; 37:1285-1288. [PMID: 33305645 DOI: 10.1080/02688697.2020.1858025] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/10/2019] [Accepted: 11/26/2020] [Indexed: 10/22/2022]
Abstract
Cerebrospinal fluid (CSF) diversion for hydrocephalus via ventriculoperitoneal (VP) shunting is one of the most commonly performed neurosurgical procedures. Unfortunately, VP shunting also carries a high complication rate. While long-term complications of VP shunting are generally well-described, the literature on more acute, iatrogenic injury during shunt placement is essentially limited to easily identifiable intracranial bleeds. Herein is presented the first reported case of iatrogenic abdominal wall vessel injury as a consequence of blind distal VP shunt catheter placement causing a critical haemoperitoneum that necessitated multiple transfusions. Presentation and recognition of this bleed was delayed as it occurred over a number of days. Injury to the inferior epigastric artery, or potentially a distal branch of the superficial epigastric artery, is suspected to have occurred during either blind subcutaneous tunnelling of the shunt catheter passage or during penetration of the peritoneum. Haemoperitoneum as a potential complication of procedures involving manipulation or penetration of the abdominal wall (i.e. paracentesis) is well-described in the medical and general surgical literature, and ultrasound-guidance has been widely adopted to mitigate bleeding in these cases. Familiarity with intra-abdominal haemorrhage as a potential complication of VP shunting and an understanding of its presentation is critical for timely identification of this phenomenon. Furthermore, the use of real-time ultrasound-guidance for tunnelling and distal shunt catheter placement may decrease the incidence of intrabdominal complications after shunt placement more generally and should be considered an area of future study.
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Hect JL, Sefcik RK, Nowicki KW, Katz J, Greene S. Serial Neuroendoscopic Lavage for the Treatment of Elevated Cerebrospinal Fluid Protein Levels in Infants with Gram-Negative Rod Ventriculitis. Pediatr Neurosurg 2023; 58:401-409. [PMID: 37703859 DOI: 10.1159/000534083] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 05/02/2023] [Accepted: 08/08/2023] [Indexed: 09/15/2023]
Abstract
INTRODUCTION Gram-negative rod (GNR) bacterial ventriculitis is a rare complication of shunt-dependent hydrocephalus, often requiring an extended and invasive treatment course. Accumulation of purulent material, as well as empyema and septation formation, limits circulation of antibiotics and infection clearance. Supplementation of standard care with neuroendoscopic-guided intraventricular lavage with lactated Ringer solution and fenestration of septations may facilitate infection clearance and simplify the eventual shunt construct required. Here, the utility of serial lavage for ventriculitis is described in a population of shunt-dependent neonates and infants at high risk for morbidity and mortality. METHODS Five infants with shunt-dependent hydrocephalus and subsequent GNR ventriculitis were treated with standard care measures with the addition of serial neuroendoscopic lavage. A retrospective chart review was performed to collect patient characteristics, shunt dependency, and shunt revisions within a year of ventriculitis resolution. RESULTS Patients demonstrated a mean 74% decrease in cerebrospinal fluid (CSF) protein following each neuroendoscopic lavage and trended toward a shorter time to infection clearance in comparison to previously published literature. Patients required 0-2 shunt revisions at 1-year follow-up following hospitalization for shunt-related ventriculitis (mean 0.8 +/- 0.8). CONCLUSIONS Serial neuroendoscopic lavage is an effective technique, used alone or in combination with fenestration of septations, to reduce the CSF protein and bacterial load in the treatment of ventriculitis, decreasing time until eradication of infection. Serial lavage may reduce the risk of future shunt malfunction, simplify the future shunt construct, and decrease duration of infection.
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Nergiz S, Aydin Ozturk P. Relationship between catheter related cerebrospinal fluid infections and systemic immune-inflammation index. PeerJ 2023; 11:e15905. [PMID: 37701835 PMCID: PMC10493082 DOI: 10.7717/peerj.15905] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/03/2023] [Accepted: 07/25/2023] [Indexed: 09/14/2023] Open
Abstract
Background This study investigated the relationship between the systemic immune inflammation index (SII) and catheter-related infections and their effects on prognosis in pediatric patients. Methods A total of 56 pediatric patients diagnosed with ventriculoperitoneal (V-P) shunt infection between January 2017 and October 2019 were included. V-P shunt infection diagnosis was made based on clinical findings. All cerebrospinal fluid (CSF) samples were subjected to direct microscopic examination and culture. Protein, glucose, and sodium levels in CSF, CSF leukocytes, and hematological and biochemical parameters were measured. Results Fifty-six patients with growth in CSF culture were included in this study. 55.4% of the cases were female and 44.6% male. V-P shunt was detected in 82.1% of the cases and external ventricular drainage (EVD) catheter-related infection in 17.9%. The CSF/blood glucose ratio was significantly lower (p = 0.046), and SII was significantly increased (p = 0.002) in non-coagulase-negative staphylococci. Conclusions Early and appropriate antibiotic therapy reduces morbidity and mortality in catheter-related infections. However, it is important to start empirical antibiotherapy until culture results are expected. Therefore, further research on the estimation of possible factors is needed.
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Morinaga T, Nakahara O, Tsuji A, Kuramoto K, Iizaka M, Hayashida S, Ohya Y, Hitoshi Y, Inomata Y. Laparoscopic intervention for late-onset perforating peritonitis due to a ventriculoperitoneal shunt: a case report and literature review. Surg Case Rep 2023; 9:154. [PMID: 37665490 PMCID: PMC10477156 DOI: 10.1186/s40792-023-01737-1] [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: 11/30/2022] [Accepted: 08/24/2023] [Indexed: 09/05/2023] Open
Abstract
BACKGROUND Ventriculoperitoneal (VP) shunt placement is commonly performed to treat hydrocephalus and complications are not uncommon. We report here a case of generalized peritonitis caused by migration of the abdominal end of a VP shunt catheter into the bowel after multiple VP shunt revisions over 30 years. Laparoscopic surgery was successfully performed for the peritonitis and the VP shunt system subsequently reconstructed without complications. CASE PRESENTATION The patient was a 49-year-old woman who had a VP shunt placed for obstructive hydrocephalus at the age of 13 years. The shunt system required seven revisions because of various malfunctions, including two occasions where a nonfunctioning shunt catheter was left inside the abdomen for safety reasons. Approximately 1 year after the seventh revision, she developed abdominal pain and fever. Abdominal computed tomography suggested that the shunt catheter had migrated into the small intestine and caused an intra-abdominal abscess. We performed emergency exploratory laparoscopy, which revealed perforation of the small intestine by the tip of a nonfunctioning shunt catheter. A growing abscess was found around the perforated intestinal wall, causing bacterial ascites. After the functioning shunt catheter was pulled out from the abdomen, the nonfunctioning catheter that had perforated the intestinal wall was removed. The functioning shunt catheter was then connected to the cerebrospinal fluid drainage system to manage her severe hydrocephalus. Finally, the contaminated abdominal cavity was copiously irrigated with saline solution and a peritoneal drain placed. Twenty-five days later, she underwent another VP shunt surgery in which a VP shunt catheter was placed. She was discharged 45 days after the surgery for peritonitis without complications. CONCLUSION In cases of peritonitis with a history of VP shunt placement, perforation by a VP shunt catheter is possible, though rare. A delay in treatment could lead to a potentially fatal complication, such as septic shock. Laparoscopic surgery enabled a faster, more hygienic, and minimally invasive operation for managing this rare but serious complication of VP shunt placement.
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Tillman LC, Truong WH, Morgan SJ, Guillaume TJ. An in vivo analysis of implanted programmable device interference during magnetically controlled growing rod lengthenings: a story of 129 lengthenings. Spine Deform 2023; 11:1283-1289. [PMID: 37277560 DOI: 10.1007/s43390-023-00709-7] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 10/25/2022] [Accepted: 05/20/2023] [Indexed: 06/07/2023]
Abstract
PURPOSE Early-onset scoliosis (EOS) is often treated with magnetically controlled growing rods (MCGR) which can be lengthened with a magnetic external remote control (ERC). Many individuals with EOS have concomitant medical conditions which are managed with other implanted programmable devices (IPD). Some providers are concerned that the magnetic field generated during MCGR lengthening may interfere with other IPD, such as ventriculoperitoneal shunts (VPS), intrathecal baclofen pumps (ITBP), vagal nerve stimulators (VNS), and cochlear implants (CI). The aim of this study was to evaluate the safety of MCGR lengthenings in patients with EOS and other IPD. METHODS This single-center, single-surgeon case series followed 12 patients with 13 IPD as they underwent treatment with MCGR. Post MCGR lengthening, monitoring of patient symptoms, and interrogation of IPD were conducted to evaluate for magnetic interference. RESULTS After 129 MCGR lengthenings, post-lengthening VPS interrogation found 2 instances of potential interference in settings (both in Medtronic Strata shunts); however, no pre-lengthening interrogation was completed to confirm if these changes occurred prior to or during the lengthening procedure. ITBP interrogation found no changes, and there were no patient-reported adverse effects related to VNS or CI function. CONCLUSION It is safe and effective to utilize MCGR in patients with IPD. However, the possibility of magnetic interference must be considered, particularly in individuals with VPS. We recommend approaching with the ERC from a caudal direction to minimize potential interference and all patients be monitored during treatment. If possible, IPD settings should be assessed pre-lengthening, confirmed afterwards and readjusted if necessary. LEVEL OF EVIDENCE Level IV.
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Lee G, Whang K, Cho S, Kim J, Kim B, Jang Y, Choi J. Case Report of a Post-Traumatic Hydrocephalus Patient: Ventriculo-Vesicle Shunt With a Review of the Literature. Korean J Neurotrauma 2023; 19:370-375. [PMID: 37840615 PMCID: PMC10567529 DOI: 10.13004/kjnt.2023.19.e52] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/21/2023] [Revised: 09/06/2023] [Accepted: 09/08/2023] [Indexed: 10/17/2023] Open
Abstract
Post-traumatic hydrocephalus (PTH) is treated through cerebrospinal fluid (CSF) diversion, typically through ventriculoperitoneal shunt (VPS) or other bypass techniques. As these shunts are associated with significant complications and high revision rates in certain populations, it is important to tailor a patient's shunt procedure according to their medical history and complications. Herein, we report the case of a 30-year-old man with PTH following a traffic accident on a motorcycle. VPS was chosen as the method of treatment but required multiple revisions and replacements due to persistent complications such as post-operative infection, shunt obstruction and abdominal problem. As the patient's heart failure and pleural effusion rendered both ventriculopleural and ventriculoatrial shunt not feasible, it was decided to move the shunt to the bladder (ventriculo-vesicle shunt [VVS]) in cooperation with a urologist. Follow-up examinations after about 3 months showed a decrease in ventricle size, improved hydrocephalus, and no complications such as urinary infection or bladder stone formation. In cases where the patient's underlying conditions, such as heart failure and pleural effusion, make it unsuitable to choose the pleural cavity or atrium as non-peritoneal spaces, VVS can be a suitable option for continuous CSF drainage when complications have occurred with the previous VPS.
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Cooper DJ, Begley S, Zamor C, Schulder M. Laparoscopic Versus Open Ventriculoperitoneal Shunt Placement: A Non-inferiority Study. J Clin Neurosci 2023; 115:24-28. [PMID: 37459828 DOI: 10.1016/j.jocn.2023.07.003] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/01/2023] [Accepted: 07/05/2023] [Indexed: 08/23/2023]
Abstract
Ventriculoperitoneal shunt (VPS) insertion into the abdominal cavity had been done for decades via an open approach. Recently, the laparoscopic insertion of the peritoneal portion of the shunt has become an option. The aim of this study is to compare outcomes between these two approaches. We performed a single institution retrospective review of 104 consecutive adult patients between 2015 and 2017. Patients had peritoneal catheters placed either via an open approach by the neurosurgical team, or laparoscopically by general surgeons. Patient demographics and outcomes were compared using a non-inferiority analysis. Independent variables in the analysis included patient age, gender, race, BMI, surgery performed, previous VPS placement, previous abdominal procedures, and VPS indication, while dependent variables included length of stay (LOS), estimated blood loss (EBL), occurrence of shunt failure, and postoperative complications. Cohort analysis included 62 open and 42 laparoscopic cases with similar baseline characteristics. In terms of patient outcomes, EBL and hospital stay duration were shown to be non-inferior in the open group as compared to the laparoscopic group. We could not prove non-inferiority based on risk for overall or distal shunt failure. Neurosurgeons may reasonably continue to place peritoneal shunt catheters using a "traditional" method.
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Unal TC, Dolas I, Sahin D, Gulsever CI, Dolen D, Aras Y, Aydoseli A, Sabanci PA, Sencer A. Intraoperative ultrasound-guided ventricular cannulation in patients with normal-sized ventricles. Neurochirurgie 2023; 69:101463. [PMID: 37393990 DOI: 10.1016/j.neuchi.2023.101463] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/14/2023] [Revised: 06/05/2023] [Accepted: 06/19/2023] [Indexed: 07/04/2023]
Abstract
INTRODUCTION Many pathologies require normal-sized ventricle cannulation, which may be technically challenging even with neuronavigation guidance. This study presents a series of ventricular cannulation of normal-sized ventricles using intraoperative ultrasound (iUS) guidance and the outcomes of patients treated by this technique, for the first time. METHODS The study included patients who underwent ultrasound-guided ventricular cannulation of normal-sized ventricles (either ventriculoperitoneal (VP) shunting or Ommaya reservoir) between January 2020 and June 2022. All patients underwent iUS-guided ventricular cannulation from the right Kocher's point. The inclusion criteria for normal-sized ventricles were as follows: (1) Evans index <30%, and (2) widest third ventricle diameter <6mm. Medical records and pre-, intra- and post-operative imaging were retrospectively analyzed. RESULTS Nine of the 18 included patients underwent VP shunt placement; 6 had idiopathic intracranial hypertension (IIH), 2 had resistant cerebrospinal fluid fistula following posterior fossa surgery, and 1 had iatrogenic intracranial pressure elevation following foramen magnum decompression. Nine patients underwent Ommaya reservoir implantation, 6 of whom had breast carcinoma and leptomeningeal metastases and 3 hematologic disease and leptomeningeal infiltration. All catheter tip positions were achieved in a single attempt, and none were placed suboptimally. Mean follow-up was 10 months. One IIH patient (5.5%) had early shunt infection which necessitated shunt removal. CONCLUSION iUS is a simple and safe method for accurate cannulation of normal-sized ventricles. It provides an effective real-time guidance option for challenging punctures.
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Ali A, Bastianon Santiago R, Isidor J, Mandel M, Adada M, Obrzut M, Adada B, Borghei-Razavi H. Debilitating trigeminal neuralgia secondary to idiopathic intracranial hypertension. Heliyon 2023; 9:e19756. [PMID: 37809543 PMCID: PMC10559059 DOI: 10.1016/j.heliyon.2023.e19756] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/23/2022] [Revised: 07/21/2023] [Accepted: 08/31/2023] [Indexed: 10/10/2023] Open
Abstract
Idiopathic intracranial hypertension (IIH) is characterized by raised intracranial pressure with unknown etiology. The most common neurological manifestations are headache and visual loss. Often, other cranial nerve impairments are also found, most commonly in the VI nerve. Trigeminal neuralgia (TN) is a debilitating condition that is most frequently caused by neurovascular pathology, but TN secondary to IIH is a rare and poorly described topic. Possible explanations of TN in these patients include the distortion of the local anatomy at CN entry zones and fluid displacement causing distortion of the Meckel's cave. In the case below we describe the clinical course of an obese female patient with TN-like pain who underwent a ventriculoperitoneal shunt to treat IIH and experienced complete resolution of both conditions.
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Ebel F, Lichter E, Mariani L, Guzman R, Soleman J. Rapid Versus Gradual Weaning of External Ventricular Drain: A Systematic Literature Review and Meta-analysis. Neurocrit Care 2023; 39:250-259. [PMID: 37308728 PMCID: PMC10499951 DOI: 10.1007/s12028-023-01766-6] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/10/2023] [Accepted: 05/19/2023] [Indexed: 06/14/2023]
Abstract
The insertion of an external ventricular drain (EVD) is one of the most common neurosurgical procedures. Whether the weaning method (gradual or rapid) influences the ventriculoperitoneal shunt (VPS) insertion rate has not been conclusively established. The aim of this study is to provide a systematic literature review and conduct a meta-analysis of studies comparing gradual with rapid EVD weaning regarding VPS insertion rate. Articles were identified by searching the Pubmed/Medline, Embase, and Web of Science databases throughout October 2022. Two independent researchers assessed the studies for inclusion and quality. We included randomized trials, prospective cohort studies, and retrospective cohort studies, which compared gradual and rapid EVD weaning. The primary outcome was VPS insertion rate, whereas secondary outcomes were EVD-associated infection (EVDAI) rate and length of stay in the hospital and intensive care unit (ICU). Four studies directly comparing rapid versus gradual EVD weaning, with 1337 patients suffering from subarachnoid hemorrhage, were identified and included in the meta-analysis. VPS insertion rate was 28.1% and 32.1% in patients with gradual and rapid EVD weaning, respectively (relative risk 0.85, 95% confidence interval 0.49-1.46, p = 0.56). Further, the EVDAI rate was comparable between the groups (gradual group 11.2%, rapid group 11.5%, relative risk 0.67, 95% confidence interval 0.24-1.89, p = 0.45), whereas length of stay in the ICU and hospital were significantly shorter in the rapid weaning group (2.7 and 3.6 days, respectively; p < 0.01). Rapid EVD weaning seems comparable to gradual EVD weaning concerning VPS insertion rates and EVDAI, whereas hospital and ICU length of stay is significantly reduced.
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Abraham BM, Zaazoue MA, Xu G, Ducis KA. Intraventricular hemorrhage in term infants: a single institutional experience between 2016 and 2020. Childs Nerv Syst 2023; 39:2123-2129. [PMID: 37004536 DOI: 10.1007/s00381-023-05939-8] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 08/04/2022] [Accepted: 03/23/2023] [Indexed: 04/04/2023]
Abstract
PURPOSE Intraventricular hemorrhage (IVH) of prematurity is a known complication of preterm birth. Intraventricular hemorrhage in term infants is much less commonly encountered. To address the lack of information in the current literature concerning this demographic, we offer demographic and image findings that demonstrate etiology and predict the need for permanent cerebrospinal fluid (CSF) diversion. METHODS A prospectively maintained database was queried for all patients with intraventricular hemorrhage from 2016 to 2020 treated at our institution. Demographic data and etiology were collected, along with need for and timing of surgical intervention. RESULTS A total of 150 IVH patients were identified. Of these patients, 138 were excluded due to prematurity. Twelve patients were born at term with IVH. All patients were followed for at least 8 months. Seven patients (58.3%) underwent ventriculoperitoneal (VP) shunt placement, performed between 4 days and 4 months of age. Superficial siderosis detected by MRI during in-patient stay or follow-up showed a sensitivity of 100% and specificity of 60% for the future development of post-hemorrhagic hydrocephalus (PHH) (p < 0.05). All full-term infants who developed PHH (n = 7, 58.3%) obtained a VP shunt. CONCLUSION IVH in term infants occurs infrequently when compared to IVH of prematurity. Etiology of IVH in term infants remains difficult to ascertain, but the majority of patients did demonstrate risk factors. The presence of superficial siderosis on MRI significantly predicted the development of PHH and eventual need for CSF diversion.
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Zanon N, da Costa Benalia VH, Hoesker T, Hayashi CY, Frigieri G, Coelho G. Noninvasive intracranial pressure monitoring throughout brain compliance guiding a ventriculoperitoneal shunt replacement in hydrocephalus-case report. Childs Nerv Syst 2023; 39:2215-2219. [PMID: 36976418 DOI: 10.1007/s00381-023-05922-3] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 08/03/2022] [Accepted: 03/12/2023] [Indexed: 03/29/2023]
Abstract
INTRODUCTION Ventriculoperitoneal (VP) shunt is the primary therapy for hydrocephalus in children; however, this technique is amenable to malfunctions, which could be detected through an assessment of clinical signs and imaging results. Furthermore, early detection can prevent patient deterioration and guide clinical and surgical treatment. CASE PRESENTATION A 5-year-old female with a premedical history of neonatal IVH, secondary hydrocephalus, multiple VP shunts revisions, and slit ventricle syndrome was evaluated using a noninvasive intracranial pressure monitor device at the early stages of the clinical symptoms, evidencing increased intracranial pressure and poor brain compliance. Serial MRI images demonstrated a slight ventricular enlargement, leading to the use of a gravitational VP shunt, promoting progressive improvement. On the follow-up visits, we used the noninvasive ICP monitoring device to guide the shunt adjustments until symptom resolution. Furthermore, the patient has been asymptomatic for the past 3 years without requiring new shunt revisions. DISCUSSION Slit ventricle syndrome and VP shunt dysfunctions are challenging diagnoses for the neurosurgeon. The noninvasive intracranial monitoring has allowed a closer follow-up assisting early assessment of brain compliance changes related to a patient's symptomatology. Furthermore, this technique has high sensitivity and specificity in detecting alterations in the intracranial pressure, serving as a guide for the adjustments of programmable VP shunts, which may improve the patient's quality of life. CONCLUSION Noninvasive ICP monitoring may lead to a less invasive assessment of patients with slit ventricle syndrome and could be used as a guide for adjustments of programmable shunts.
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Kim M, Kim BJ, Yoon SY, Kwak Y. Unexpected shunt-dependent hydrocephalus after unruptured aneurysm surgery-a case report. J Surg Case Rep 2023; 2023:rjad415. [PMID: 37489162 PMCID: PMC10363004 DOI: 10.1093/jscr/rjad415] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/14/2023] [Accepted: 06/24/2023] [Indexed: 07/26/2023] Open
Abstract
A chronic hydrocephalus after unruptured aneurysm surgery is an extremely rare condition. Its etiology and pathophysiology are also unclear. We report a case of chronic hydrocephalus in a patient who underwent permanent shunt placement after unruptured aneurysm clipping surgery. A 65-year-old man developed chronic hydrocephalus requiring shunt placement after clipping surgery of left anterior cerebral artery aneurysm and right middle cerebral artery aneurysm. This case shows that chronic hydrocephalus is a possible complication of unruptured aneurysm surgery, which can be resolved with an appropriate shunt operation.
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Kamatam S, Waqar A, Chatterjee T. Extreme Hypernatremia due to Dehydration. J Med Cases 2023; 14:232-236. [PMID: 37560549 PMCID: PMC10409538 DOI: 10.14740/jmc4124] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/01/2023] [Accepted: 07/03/2023] [Indexed: 08/11/2023] Open
Abstract
Hypernatremia is defined as having a serum sodium concentration exceeding 145 mmol/L (normal range is 136 - 145 mmol/L). When the serum sodium level surpasses 160 mmol/L and 190 mmol/L, it is classified as severe and extreme hypernatremia, respectively. Extreme hypernatremia is an uncommon occurrence and is associated with significant risks of mortality and morbidity. The most frequently reported causes of extreme hypernatremia are accidental or intentional salt ingestion and diabetes insipidus, while dehydration due to poor water intake as a trigger for extreme hypernatremia is rarely documented. Here, we present a case study of an elderly patient who experienced extreme hypernatremia with a serum sodium level of 191 mmol/L due to dehydration and had altered mental status and ventriculomegaly as a complication.
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Ahmed M, Naseer H, Farhan M, Arshad M, Ahmad A. Fixed versus Adjustable differential pressure valves in case of idiopathic normal pressure hydrocephalus treated with ventriculoperitoneal shunt. A systematic review and meta-analysis of proportion. Clin Neurol Neurosurg 2023; 230:107754. [PMID: 37209623 DOI: 10.1016/j.clineuro.2023.107754] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/18/2023] [Revised: 05/01/2023] [Accepted: 05/03/2023] [Indexed: 05/22/2023]
Abstract
INTRODUCTION Idiopathic normal pressure hydrocephalus is a common cause of communicating hydrocephalus in adult age, presenting with classic Hakim-Adam's triad. Ventriculoperitoneal shunting is the treatment of choice in these cases. The main objective of this study is to compare the complication rate of Adjustable differential pressure valves with fixed differential pressure valves in these cases. LITERATURE SEARCH We systematically searched PubMed/Medline, Embase, LILACS, and ClinicalTrials.gov from their date of inception to 30th Jan 2023. We included observational studies, Randomized Controlled Trials (RCTs), and comparative and noncomparative studies in the search. The literature search resulted in 1394 studies, and only 22 studies were eligible to be included in the meta-analysis. We performed the meta-analysis of proportion to compare incidence rates by performing a Freeman-turkey double arcsine transformation. RESULTS The summary of the proportions of the incidence rate of complications was less for Adjustable Differential Pressure Valves (ADPV) as compared to Fixed Differential Pressure Valves (FDVP) but the confidence intervals overlapped. The summary proportion of surgical revision of shunt in the case of ADPV was 0.081 (95% CI (0.047, 0.115)), and in the case of FDPV was 0.173 (95% CI (0.047, 0.299)). Similarly, the summary proportion of subdural fluid collection in the case of ADPV was 0.090 (0.058, 0.122), and in the case of FDPV was 0.204 (0.132, 0.277). The incidence of complication was low in population implanted with DPV along with gravitational or anti-siphon unit (GASU). CONCLUSION Complication rates in the case of ADPV plus GASU were the lowest. Though the summary proportion of complication rate in the case of ADPV was low as compared to FDPV, the statistical significance of this difference is doubted due to overlapping confidence intervals.
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Mancha GT, Kadakia S, Muñoz L, Seske LM. Ten-year review of neonatal neurosurgical outcomes and cost analysis. Surg Neurol Int 2023; 14:203. [PMID: 37404507 PMCID: PMC10316247 DOI: 10.25259/sni_59_2023] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/18/2023] [Accepted: 05/26/2023] [Indexed: 07/06/2023] Open
Abstract
Background Neurosurgical interventions in neonates may contribute to increased neonatal intensive care unit (NICU) stay. The impact of neurosurgical interventions on length of stay (LOS) and cost is not well-documented in the literature. In addition to LOS, other factors may impact overall resource utilization. Our objective was to perform a cost analysis of neonates who underwent neurosurgical procedures. Methods A retrospective chart review was performed on NICU patients who underwent ventriculoperitoneal and/or subgaleal shunt placement between January 1, 2010, and April 30, 2021. Postoperative outcomes were analyzed, including LOS, revisions, infections, emergency department (ED) visits following discharge, and readmissions accounting for health care utilization cost. Results Sixty-six neonates underwent shunt placement during our study period. Out of our 66 patients, 40% of infants had intraventricular hemorrhage (IVH). About 81% had hydrocephalus. Specific diagnoses for our patient population varied and included: 37.9% of patients had IVH complicated by posthemorrhagic hydrocephalus, 27.3% had Chiari II malformation, 9.1% had a cystic malformation leading to hydrocephalus, 7.5% had solely hydrocephalus or ventriculomegaly, 6.0% had myelomeningocele, 4.5% had Dandy-Walker malformation, 3.0% had aqueductal stenosis, and the remaining 4.5% had varying other pathologies. In our patient population, 11% of patients had an identified or suspected infection within 30 days after surgery. The average LOS was 59 days versus 67 days for patients with a postoperative infection. Number of patients who visited the ED within 30 days of discharge was 21%. Of these ED visits, 57% led to readmission. Complete cost analysis was available for 35 out of 66 patients. The average LOS was 63 days with average cost of admission of $209,703.43. Average cost for readmission was $25,757.02. Average daily cost for neurosurgical patients was $1,672.98 versus $1,298.17 for all NICU patients. Conclusion Neonates who underwent neurosurgical procedures had longer LOS as well as higher daily cost. LOS for infants with infections following procedures was increased by 10.6%. Further research is needed to optimize health-care utilization for these high-risk neonates.
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El-Ghandour NMF, Salama MM, Ghoneim MA, Attia AM. Endoscopic third ventriculostomy for management of hydrocephalus associated with Chiari malformation type II in children. Childs Nerv Syst 2023; 39:1565-1571. [PMID: 36700950 PMCID: PMC10227113 DOI: 10.1007/s00381-023-05832-4] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 11/22/2022] [Accepted: 01/06/2023] [Indexed: 01/27/2023]
Abstract
BACKGROUND Hydrocephalus is commonly associated with Chiari malformation (CM) particularly CM type II. The traditional treatment of hydrocephalus in these patients has been cerebrospinal fluid diversion by shunts. Endoscopic third ventriculostomy (ETV) has emerged as an alternative procedure in these patients. PURPOSE Assessment of the clinical and radiological outcomes of ETV in the management of hydrocephalus in children with CM II. METHODS This is a prospective study conducted on 18 patients with CM II associated with hydrocephalus admitted to Cairo University hospitals between January 2020 and June 2021. These patients had been managed surgically by ETV. Clinical outcome was assessed based on improvement of manifestations of increased intracranial pressure while radiological outcome was based on the findings of postoperative computed tomography. In cases with early failure, serial lumbar puncture (LP) was performed for 2 days. RESULTS ETV was performed as a secondary procedure in 4 cases. The overall success rate of the procedure was 72%, and its success rate as a secondary procedure was 100%. Serial LP was effective in decreasing early failure in 44.4% of cases. Radiological regression of hydrocephalic changes was detected in 50% of the cases. CONCLUSION ETV is an efficient and safe procedure in the treatment of hydrocephalus in children with Chiari malformation II, particularly when performed as a secondary procedure. Serial LP following the procedure increases the success rate in patients with early failure.
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Tian Q, Yi J, Wu Y, Wang S, Qu Y, Cai Q. Precise location of the ventricular catheter tip in ventriculoperitoneal shunt placement guided by 3D printed individualized guide. Clin Neurol Neurosurg 2023; 229:107730. [PMID: 37086587 DOI: 10.1016/j.clineuro.2023.107730] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/13/2023] [Accepted: 04/18/2023] [Indexed: 04/24/2023]
Abstract
OBJECTIVE Improper placement of the ventricular catheter tip is the most common cause of shunting disorders after ventriculoperitoneal shunt (VPS) placement surgery. Here, through two illustrative cases, we described a novel method of precise ventricular catheter tip location. METHODS Three-dimensional (3D) Slicer software was used to define the ventricle puncture path and determine the ventricle catheter tip location preoperatively, and the 3D individualized guide model was printed. RESULTS The ventricular puncture was performed under the guidance of the 3D guide to achieve precise ventricle catheter tip location intraoperatively. CONCLUSIONS This technique is safe, simple, efficient and cost-effective, which facilitates its clinical implementation and promotion.
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Yousaf MN, Naqvi HA, Kane S, Chaudhary FS, Hawksworth J, Nayar VV, Faust TW. Cerebrospinal fluid liver pseudocyst: A bizarre long-term complication of ventriculoperitoneal shunt: A case report. World J Hepatol 2023; 15:715-724. [PMID: 37305372 PMCID: PMC10251282 DOI: 10.4254/wjh.v15.i5.715] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 12/19/2022] [Revised: 03/02/2023] [Accepted: 04/10/2023] [Indexed: 05/24/2023] Open
Abstract
BACKGROUND Ventriculoperitoneal (VP) shunt placement has become a standard of care procedure in managing hydrocephalus for drainage and absorption of cerebrospinal fluid (CSF) into the peritoneum. Abdominal pseudocysts containing CSF are the common long-term complication of this frequently performed procedure, mainly because VP shunts have significantly prolonged survival. Of these, liver CSF pseudocysts are rare entities that may cause shunt dysfunction, affect normal organ function, and therefore pose therapeutic challenges.
CASE SUMMARY A 49-year-old man with history of congenital hydrocephalus status post bilateral VP shunt placement presented with progressively worsening dyspnea on exertion, abdominal discomfort/distention. Abdominal computed tomography (CT) scan revealed a large CSF pseudocyst in the right hepatic lobe with the tip of VP shunt catheter into the hepatic cyst cavity. Patient underwent robotic laparoscopic cyst fenestration with a partial hepatectomy, and repositioning of VP shunt catheter to the right lower quadrant of the abdomen. Follow-up CT demonstrated a significant reduction in hepatic CSF pseudocyst.
CONCLUSION A high index of clinical suspicion is required for early detection of liver CSF pseudocysts since their presentation is often asymptomatic and cunning early in the course. Late-stage liver CSF pseudocysts could have adverse outcomes on the treatment course of hydrocephalus as well as on hepatobiliary dysfunction. There is paucity of data to define the management of liver CSF pseudocyst in current guidelines due to rare nature of this entity. The reported occurrences have been managed by laparotomy with debridement, paracentesis, radiological imaging guided fluid aspiration and laparoscopic-associated cyst fenestration. Robotic surgery is an additional minimally invasive option in the management of hepatic CSF pseudocyst; however, its use is limited by lack of widespread availability and cost of surgery.
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Dewan MC, Isaacs AM, Cools MJ, Yengo-Kahn A, Naftel RP, Jensen H, Reeder RW, Holubkov R, Haizel-Cobbina J, Riva-Cambrin J, Jafrani RJ, Pindrik JA, Jackson EM, Judy BF, Kurudza E, Pollack IF, Mcdowell MM, Hankinson TC, Staulcup S, Hauptman J, Hall K, Tamber MS, Cheong A, Warsi NM, Rocque BG, Saccomano BW, Snyder RI, Kulkarni AV, Kestle JRW, Wellons JC. Treatment of hydrocephalus following posterior fossa tumor resection: a multicenter collaboration from the Hydrocephalus Clinical Research Network. J Neurooncol 2023; 163:123-132. [PMID: 37129738 DOI: 10.1007/s11060-023-04316-4] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/21/2023] [Accepted: 04/17/2023] [Indexed: 05/03/2023]
Abstract
OBJECTIVE Persistent hydrocephalus following posterior fossa brain tumor (PFBT) resection is a common cause of morbidity in pediatric brain tumor patients, for which the optimal treatment is debated. The purpose of this study was to compare treatment outcomes between VPS and ETV in patients with persistent hydrocephalus following surgical resection of a PFBT. METHODS A post-hoc analysis was performed of the Hydrocephalus Clinical Research Network (HCRN) prospective observational study evaluating VPS and ETV for pediatric patients. Children who experienced hydrocephalus secondary to PFBT from 2008 to 2021 were included. Primary outcomes were VPS/ETV treatment failure and time-to-failure (TTF). RESULTS Among 241 patients, the VPS (183) and ETV (58) groups were similar in age, extent of tumor resection, and preoperative ETV Success Score. There was no difference in overall treatment failure between VPS and ETV (33.9% vs 31.0%, p = 0.751). However, mean TTF was shorter for ETV than VPS (0.45 years vs 1.30 years, p = 0.001). While major complication profiles were similar, compared to VPS, ETV patients had relatively higher incidence of minor CSF leak (10.3% vs. 1.1%, p = 0.003) and pseudomeningocele (12.1% vs 3.3%, p = 0.02). No ETV failures were identified beyond 3 years, while shunt failures occurred beyond 5 years. Shunt infections occurred in 5.5% of the VPS cohort. CONCLUSIONS ETV and VPS offer similar overall success rates for PFBT-related postoperative hydrocephalus. ETV failure occurs earlier, while susceptibility to VPS failure persists beyond 5 years. Tumor histology and grade may be considered when selecting the optimal means of CSF diversion.
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Harada A. Permanent Surgical Treatment for Posthemorrhagic Hydrocephalus in Preterm Infants. J Korean Neurosurg Soc 2023; 66:281-288. [PMID: 37042172 PMCID: PMC10183261 DOI: 10.3340/jkns.2023.0044] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/25/2023] [Accepted: 04/10/2023] [Indexed: 04/13/2023] Open
Abstract
While the standard management for posthemorrhagic hydrocephalus (PHH) has not been determined, many patients initially receive temporary treatment such as a ventricular drainage, a ventricular reservoir, or a ventriculosubgaleal shunt. Subsequently, approximately 15% of patients with PHH will require permanent cerebrospinal fluid diversion. Shunt placement is most commonly performed for PHH as permanent treatment. However, shunting still has high complication rates. Since the development of the neuroendoscopic technique has progressed, and indication has been expanded, endoscopic third ventriculostomy with or without choroid plexus cauterization has performed more frequently in recent years in patients with PHH. In this paper, the permanent treatment for PHH will be reviewed based on the latest evidence.
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Ki S, Cho SB, Park S, Lee J. Management of unanticipated difficult airway in a patient with well-visualized vocal cords using video laryngoscopy - A case report. Anesth Pain Med (Seoul) 2023; 18:204-209. [PMID: 37183289 PMCID: PMC10183615 DOI: 10.17085/apm.23002] [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: 03/27/2023] [Accepted: 03/10/2023] [Indexed: 05/16/2023] Open
Abstract
BACKGROUND Difficult airway occurs due to anatomical abnormalities of the airway that can be predicted through airway assessments; however, abnormalities beyond the vocal cord can be clinically asymptomatic and undetected until intubation failure to advance the endotracheal tube. CASE We present a case of an unanticipated difficult airway in a stuporous 80-year-old female with a recent history of intracerebral hemorrhage and prolonged intubation. She required emergency ventriculo-peritoneal shunt surgery due to the progression of her hydrocephalus. Under anesthesia, facemask ventilation was easy and video laryngoscopy provided a full view of the glottis; however, endotracheal tube (ETT) entry failed. We suspected stenosis beyond the vocal cord, and a smaller diameter ETT was inserted and maintained for airway management during emergency surgery. Postoperative neck computed tomography findings revealed laryngotracheal stenosis (LTS). CONCLUSIONS Anesthesiologists should be aware that LTS may be asymptomatic and consider difficult airway guidelines in patients with history of prolonged endotracheal intubation.
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Schmid S, Bevot A, Neunhoeffer F, Michel J, Kumpf MU, Reimold M, Hofbeck M, Schuhmann MU. Chronic Pleural Effusion in Ventriculoperitoneal Shunt due to Diaphragmatic CSF Fistula: Report of a Case Treated by Endoscopic Choroid Plexus Coagulation and Literature Review. Pediatr Neurosurg 2023; 58:160-167. [PMID: 37004507 DOI: 10.1159/000530387] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 10/24/2022] [Accepted: 03/02/2023] [Indexed: 04/04/2023]
Abstract
INTRODUCTION Chronic pleural cerebrospinal fluid (CSF) effusion is a rare complication after ventriculoperitoneal (VP) shunt insertion and only 18 cases in children and adults have been described so far without catheter dislocation to the intrathoracic cavity. CASE PRESENTATION We report on a 4-year-old girl with a complex history of underlying neurogenetic disorder, a hypoxic-ischemic encephalopathy after influenza A infection with septic shock and severe acute respiratory distress syndrome, followed by meningitis at the age of 10 months. In consequence, she developed a severe cerebral atrophy and post-meningitic hydrocephalus requiring placement of a VP shunt. At age 4, she was admitted with community-acquired mycoplasma pneumonia and developed increasing pleural effusions leading to severe respiratory distress and requiring continuous chest tube drainage (up to 1,000-1,400 mL/day) that could not be weaned. β trace protein, in CSF present at concentrations >6 mg/L, was found in the pleural fluid at low concentrations of 2.7 mg/L. An abdomino-thoracic CSF fistula was finally proven by single photon emission computerized tomography combined with low-dose computer tomography. After shunt externalization, the pleural effusion stopped and the chest tube was removed. CSF production rate remains high above 500 mL/24 h. An atrial CSF shunt could not be placed, since a hemodynamically relevant atrial septum defect with frail circulatory balance would not have tolerated the large CSF volumes. Therefore, she underwent a total bilateral endoscopic choroid plexus laser coagulation (CPC) within the lateral ventricles via bi-occipital burr holes. Postoperatively CSF production rate went close to 0 mL and after external ventricular drain removal no signs and symptoms of hydrocephalus developed during a follow-up of now 2.5 years. CONCLUSION In summary, pleural effusions in patients with VP shunt can rarely be caused by an abdomino-thoracic fistula, with non-elevated β-trace protein in the pleural fluid. The majority of reported cases in literature were treated by ventriculoatrial shunt. This is the 2nd reported case, which has been successfully treated by radical CPC alone including the temporal horn choroid plexus, making the child shunt independent.
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Noiphithak R, Ratanavinitkul W, Yindeedej V, Nimmannitya P, Yodwisithsak P. Outcomes of Combined Endoscopic Surgery and Fibrinolytic Treatment Protocol for Intraventricular Hemorrhage: A Randomized Controlled Trial. World Neurosurg 2023; 172:e555-e564. [PMID: 36706982 DOI: 10.1016/j.wneu.2023.01.080] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/23/2022] [Revised: 01/18/2023] [Accepted: 01/19/2023] [Indexed: 01/26/2023]
Abstract
BACKGROUND Intraventricular fibrinolysis (IVF) and endoscopic surgery (ES) are the new promising treatment strategies to enhance the rate of hematoma clearance, which might improve functional outcome. This study investigated and compared the outcomes among these interventions. METHODS A randomized (1:1) double-blinded trial was carried out between August 2018 and December 2021. The intervention and control groups comprised patients receiving IVF and/or ES and external ventricular drainage (EVD), respectively. All participants had experienced primary or secondary intraventricular hemorrhage (IVH) from spontaneous intracerebral hemorrhage with obstructive hydrocephalus complications. The primary outcome was modified Rankin Scale score 180 days post treatment. Interim assessments were planned for every 50 participants enrolled to ensure safety and efficacy. RESULTS After enrollment of 110 participants (55 participants in each group), there was a difference in 30-day mortality (2 [3.6%] vs. 13 [32.7%] in the EVD group, P = 0.002), reaching the predetermined boundaries for termination of the trial. We demonstrated a better favorable outcome (modified Rankin Scale score 0-3) at 180 days in the intervention group, compared with the control group (35 [63.6%] vs. 24 [43.6%], P = 0.04). Participants in the intervention group experienced a higher IVH removal rate (91% [9.0] vs. 69.5% [38.0], P < 0.01) and had lower shunt conversion (1 [1.8%] vs. 16 [29.3%], P < 0.01). Treatment complications were comparable between the two groups. CONCLUSIONS This study demonstrated that combined ES and IVF is safe and effective for the treatment of IVH. In addition, it concluded that aggressive but safe procedures used to remove IVH could improve clinical outcome in patients with IVH.
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Gillespie CS, Stephanie Fang WY, Lee KS, Clynch AL, Alam AM, McMahon CJ. Long standing overt ventriculomegaly in adults (LOVA): a systematic review and meta-analysis of endoscopic third ventriculostomy vs ventriculoperitoneal shunt as first line treatment. World Neurosurg 2023:S1878-8750(23)00386-8. [PMID: 36958719 DOI: 10.1016/j.wneu.2023.03.064] [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: 02/02/2023] [Revised: 03/14/2023] [Accepted: 03/15/2023] [Indexed: 03/25/2023]
Abstract
BACKGROUND Long standing overt ventriculomegaly in adults (LOVA) is a heterogenous term describing forms of adult hydrocephalus. LOVA incidence is increasing, yet the optimal treatment strategy for symptomatic cases remains unclear. We compared the success and complication rates between Endoscopic Third Ventriculostomy (ETV) and Ventriculoperitoneal Shunt (VPS) as a first line treatment for LOVA. METHODS A systematic review and meta-analysis was conducted in accordance with PRISMA guidelines (PROSPEROID CRD42021277542). Three databases were searched, and articles published from 2000 to October 2022 included (last search date 30th September 2022). Success rates and complications of both ETV and VPS were compared using random effects models. RESULTS Of 895 articles identified, 22 studies were included in the analysis (556 patients- 346 treated with ETV, 210 VPS). Mean age was 44.8 years. The most common presenting symptoms were gait disturbance (N=178), headache (N=156), and cognitive decline (N=134). Combined success rates were 81.8% (N=283/346) in the ETV group and 86.7% (N=182/210) in the VPS group (median follow up 41 months). There was no difference in success rates between ETV and VPS groups (Odds Ratio [OR] 0.94, 95% CI 0.86-1.03, I2 = 0%). Combined complication rates were 4.6% (N=16/346) in the ETV group and 27.1% (N=57/210) in the VPS group. ETV had a lower rate of postoperative complications (OR 0.22, 95% CI 0.11-0.33, I2 = 0%). CONCLUSIONS Symptomatic LOVA can be successfully managed with surgical intervention. ETV and VPS have similar success rates when used as first line treatment. However, VPS has a higher complication rate.
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