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Asserson DB, Kassicieh AJ, Ghatalia DV, Kassicieh CS, Shah SP, Kazim SF, Cole KL, Schmidt MH, Bowers CA. Novel Case of Streptococcus Mitis-infected Chronic Subdural Hematoma. ACTA NEUROLOGICA TAIWANICA 2024; 33(3):134-137. [PMID: 37968845] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 11/17/2023]
Abstract
PURPOSE Subdural hematoma (SDH) is a common pathology found in neurosurgery. Infected SDH, however, is less common, and reports have typically identified Escherichia coli as the causative organism. CASE REPORT We present here a case of an infected chronic SDH caused by Streptococcus mitis, likely for the first time, following a burn injury in a 40-year-old male patient. CONCLUSION The workup for infected SDH should now include S. mitis as a possible culprit.
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Cohen-Cohen S, Jabal MS, Rinaldo L, Savastano LE, Lanzino G, Cloft H, Brinjikji W. Middle meningeal artery embolization for chronic subdural hematoma: A single-center experience and predictive modeling of outcomes. Neuroradiol J 2024; 37:192-198. [PMID: 38147825 DOI: 10.1177/19714009231224431] [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] [Indexed: 12/28/2023] Open
Abstract
BACKGROUND Remarkable interest is rising around middle meningeal artery embolization (MMAE) as an emerging alternative therapy for chronic subdural hematoma (cSDH). The study aims to highlight a large center experience and the variables associated with treatment failure and build experimental machine learning (ML) models for outcome prediction. MATERIAL AND METHODS A 2-year experience in MMAE for managing patients with chronic subdural hematoma was analyzed. Descriptive statistical analysis was conducted using imaging and clinical features of the patients and cSDH, which were subsequently used to build predictive models for the procedure outcome. The modeling evaluation metrics were the area under the ROC curve and F1-score. RESULTS A total of 100 cSDH of 76 patients who underwent MMAE were included with an average follow-up of 6 months. The intervention had a per procedure success rate of 92%. Thrombocytopenia had a highly significant association with treatment failure. Two patients suffered a complication related to the procedure. The best performing machine learning models in predicting MMAE failure achieved an ROC-AUC of 70%, and an F1-score of 67%, including all patients with or without surgical intervention prior to embolization, and an ROC-AUC of 82% and an F1-score of 69% when only patients who underwent upfront MMAE were included. CONCLUSION MMAE is a safe and minimally invasive procedure with great potential in transforming the management of cSDH and reducing the risk of surgical complications in selected patients. An ML approach with larger sample size might help better predict outcomes and highlight important predictors following MMAE in patients with cSDH.
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Stienen MN, Jehli E, Bozinov O, Regli L, Germans MR. Burr Hole Covers or Not? The Relevance of Aesthetic Outcome in Patients with Chronic Subdural Hematoma. World Neurosurg 2024; 184:337-338. [PMID: 38368154 DOI: 10.1016/j.wneu.2024.01.116] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/19/2024]
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Schmolling ÁH, Pérez-García C, Trejo C, López-Frías A, Jaroenngarmsamer T, Rosati S, Arrazola J, Moreu M. Middle Meningeal Artery Embolization for Management of Chronic Subdural Hematoma. Radiographics 2024; 44:e230158. [PMID: 38451847 DOI: 10.1148/rg.230158] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 03/09/2024]
Abstract
Chronic subdural hematoma (CSDH) is a prevalent medical condition with potentially severe consequences if left untreated. While surgical removal has traditionally been the standard approach for treatment, middle meningeal artery (MMA) embolization has emerged as a promising minimally invasive alternative to reduce recurrences. This comprehensive review provides the general radiology community with an overview of MMA embolization as a therapeutic option for managing CSDH. The authors base their insights on existing evidence and their institutional experience. This overview encompasses the pathophysiology of CSDH as well as the potential advantages and limitations, safety profile, and potential complications of MMA embolization as compared with surgical treatment. The imaging findings seen before and after MMA, as well as insights into the procedural techniques used at the authors' institution, are described. On the basis of reports in the current literature, MMA embolization appears to be a safe and effective therapeutic option for managing CSDH, especially in patients who are unsuitable for surgery or at risk for recurrence. Nonetheless, further research is needed to validate these findings. Results from ongoing clinical trials hold promise for future validation and the establishment of scientific evidence. ©RSNA, 2024 Test Your Knowledge questions for this article are available in the supplemental material. See the invited commentary by Chatterjee in this issue.
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Vargas J, Pease M, Snyder MH, Blalock J, Wu S, Nwachuku E, Mittal A, Okonkwo DO, Kellogg RT. Automated Preoperative and Postoperative Volume Estimates Risk of Retreatment in Chronic Subdural Hematoma: A Retrospective, Multicenter Study. Neurosurgery 2024; 94:317-324. [PMID: 37747231 DOI: 10.1227/neu.0000000000002667] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/13/2023] [Accepted: 07/17/2023] [Indexed: 09/26/2023] Open
Abstract
BACKGROUND AND OBJECTIVES Several neurosurgical pathologies, ranging from glioblastoma to hemorrhagic stroke, use volume thresholds to guide treatment decisions. For chronic subdural hematoma (cSDH), with a risk of retreatment of 10%-30%, the relationship between preoperative and postoperative cSDH volume and retreatment is not well understood. We investigated the potential link between preoperative and postoperative cSDH volumes and retreatment. METHODS We performed a retrospective chart review of patients operated for unilateral cSDH from 4 level 1 trauma centers, February 2009-August 2021. We used a 3-dimensional deep learning, automated segmentation pipeline to calculate preoperative and postoperative cSDH volumes. To identify volume thresholds, we constructed a receiver operating curve with preoperative and postoperative volumes to predict cSDH retreatment rates and selected the threshold with the highest Youden index. Then, we developed a light gradient boosting machine to predict the risk of cSDH recurrence. RESULTS We identified 538 patients with unilateral cSDH, of whom 62 (12%) underwent surgical retreatment within 6 months of the index surgery. cSDH retreatment was associated with higher preoperative (122 vs 103 mL; P < .001) and postoperative (62 vs 35 mL; P < .001) volumes. Patients with >140 mL preoperative volume had nearly triple the risk of cSDH recurrence compared with those below 140 mL, while a postoperative volume >46 mL led to an increased risk for retreatment (22% vs 6%; P < .001). On multivariate modeling, our model had an area under the receiver operating curve of 0.76 (95% CI: 0.60-0.93) for predicting retreatment. The most important features were preoperative and postoperative volume, platelet count, and age. CONCLUSION Larger preoperative and postoperative cSDH volumes increase the risk of retreatment. Volume thresholds may allow identification of patients at high risk of cSDH retreatment who would benefit from adjunct treatments. Machine learning algorithm can quickly provide accurate estimates of preoperative and postoperative volumes.
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Wang C, Liu C. Clinical Characteristics and Prognoses of Chronic Subdural Hematoma Patients with and without Head Trauma: A Retrospective Comparative Study. World Neurosurg 2024; 182:e837-e846. [PMID: 38101546 DOI: 10.1016/j.wneu.2023.12.055] [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: 10/20/2023] [Revised: 12/09/2023] [Accepted: 12/10/2023] [Indexed: 12/17/2023]
Abstract
OBJECTIVE Head trauma is considered as the main cause of chronic subdural hematoma (CSDH). However, many patients develop CSDH with no identified cause. Herein, we conduct a comparative study to investigate the differences in clinical characteristics and surgical outcomes of CSDH patients with and without a history of head trauma. METHODS We retrospectively reviewed CSDH patients who underwent surgical treatment in our hospital between January 2013 and December 2021. Patients were categorized into a with head trauma (WHT) group and a without head trauma (WOHT) group for comparative analysis. RESULTS A total of 219 patients were included, 119 (54.3%) cases in the WHT group and 100 (45.7%) cases in the WOHT group. More cancer patients were found in the WOHT group than in the WHT group (P = 0.045). Both at discharge and 6-month follow-up, patients in the WOHT group achieved better clinical outcomes than the WHT group cases (P = 0.025 and 0.034, respectively). Furthermore, ordered multiclass logistic regression analyses indicated that a history of head trauma (odds ratio 2.151, 95% confidence interval 1.052-4.386; P = 0.036) was a risk factor significantly related to the unfavorable outcomes at 6-month follow-ups of CSDH. However, we did not find significant differences between the 2 groups in clinical manifestations, radiological characteristics, postoperative complications, mortality, and recurrence rates. CONCLUSIONS CSDH patients with a history of head trauma may be more susceptible to unfavorable outcomes; thus, they should be carefully evaluated and given more attention during hospitalization and after discharge.
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Yang C, Lin G, Zhang J, Xie J, Yang J. Granuloma formation as a late complication of burr-hole surgery for chronic subdural hematoma. Brain Inj 2024; 38:3-6. [PMID: 38225760 DOI: 10.1080/02699052.2024.2304860] [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: 12/29/2021] [Accepted: 01/09/2024] [Indexed: 01/17/2024]
Abstract
BACKGROUND Surgical treatment remains the mainstream therapeutic regimen for chronic subdural hematoma (CSDH), and burr-hole craniostomy with subdural drainage is the preferable approach. Herein, we reported a case of intracranial granuloma formation as a late complication of burr-hole surgery for CSDH. CASE PRESENTATION A 31-year-old man presented with a 1-month history of headache. Head computed tomography (CT) showed a subdural hematoma in the left frontal-temporal-parietal region with significant midline shifting. A burr-hole evacuation of the hematoma with closed-system drainage was performed. CT obtained immediately after the surgery demonstrated that the hematoma was mostly evacuated. Nine months later, he presented to us again due to intermittent headache in the left temporoparietal region. Brain magnetic resonance imaging revealed a space-occupying mass at the site of the original hematoma. A bone-flap craniotomy was performed for resecting the mass. Histopathological examination revealed a granuloma. The microbial cultivation of the resected specimen was negative. The postoperative course was uneventful, and the headache was relieved. CONCLUSION Granuloma formation is an extremely rare late complication of burr-hole surgery for CSDH. Physicians involved in the perioperative management of CSDH should be aware of this condition, and bone-flap craniotomy may be warranted.
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Li J, Zhao J, Sun S, Shen S, Zhong B, Dong X. Peptidomics insights: neutrophil extracellular traps (NETs) related to the chronic subdural hemorrhage. PeerJ 2023; 11:e16676. [PMID: 38144176 PMCID: PMC10749094 DOI: 10.7717/peerj.16676] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/21/2023] [Accepted: 11/23/2023] [Indexed: 12/26/2023] Open
Abstract
Chronic subdural hemorrhage (CSDH) refers to a hematoma with an envelope between the dura mater and the arachnoid membrane and is more common among the elderly. It was reported that the dura mater, which is highly vascularized with capillary beds, precapillary arterioles and postcapillary venules play an important role in the protection of the central nervous system (CNS). Numerous evidences suggests that peptides play an important role in neuroprotection of CNS. However, whether dura mater derived endogenous peptides participate in the pathogenesis of CSDH remains undetermined. In the current study, the peptidomic profiles were performed in human dura of CSDH (three patients) and the relative control group (three non-CSDH samples) by LC-MS (liquid chromatography-mass spectrometry). The results suggested that a total of 569 peptides were differentially expressed in the dura matter of CSDH compared with relative controls, including 217 up-regulated peptides and 352 down-regulated peptides. Gene Ontology (GO) analysis demonstrated that the precursor proteins of those differentially expressed peptides were involved in the various biological processes. Interestingly, Kyoto Encyclopedia of Genes and Genomes (KEGG) analysis suggested that NETs participated in the pathogenies of CSDH. Further investigate showed that H3Cit was significantly elevated in the dural and hematoma membranes of patients with CSDH compared to patients without CSDH. Taken together, our results showed the differentially expressed peptides in human dura mater of CSDH and demonstrated that NETs formation in the dural and hematoma membranes might be involved in the pathogenesis of CSDH. It is worth noting that pharmacological inhibition of NETs may have potential therapeutic implications for CSDH.
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Shi XY, Zhang JX, Tang ZX, Sun H, Shen Z. Severe spontaneous acute arterial subdural hematoma as an initial symptom of chronic myeloid leukemia. Br J Neurosurg 2023; 37:1721-1724. [PMID: 33605812 DOI: 10.1080/02688697.2021.1885625] [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: 08/18/2020] [Accepted: 02/01/2021] [Indexed: 10/22/2022]
Abstract
Acute subdural hematoma (SDH) is a rare occurrence in chronic myeloid leukemia (CML) patients with only two cases reported in literature. However, sudden severe acute SDH caused by CML has not been reported on. Our patient was admitted for 'sudden unconsciousness for more than 1 hour'. Computed tomography (CT) angiography revealed a large amount of acute SDH on the left side. Physical exam showed the patient's left pupil was dilated and signs of cerebral herniation were present. The preoperative coagulation profile was normal. Emergency craniotomy for hematoma clearance and decompression was performed. During the surgery, a ruptured cerebral artery was located in the perisylvian region and hemostasis was achieved through electrocautery. Pre-operative white blood count was 58,100 cell/µl, with post-operative bone marrow examination、cytogenetic analysis and RT-PCR detection revealing a diagnosis of CML, for which hydroxyurea chemotherapy was initiated. Leukocyte count of the patient gradually returned to normal. After 24 days, the patient regained consciousness and on day 30, repeat CT scan showed no SDH recurrence. The patient recovered with no neurological deficits and achieved a good prognosis.
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MESH Headings
- Humans
- Hematoma, Subdural, Acute/surgery
- Arteries
- Leukemia, Myelogenous, Chronic, BCR-ABL Positive/complications
- Leukemia, Myelogenous, Chronic, BCR-ABL Positive/diagnosis
- Leukemia, Myelogenous, Chronic, BCR-ABL Positive/surgery
- Tomography, X-Ray Computed/adverse effects
- Computed Tomography Angiography
- Hematoma, Subdural, Chronic/diagnostic imaging
- Hematoma, Subdural, Chronic/etiology
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Wasfie T, Young C, Naisan M, Senger B, Brimmeier A, Sobell FA, Stanbaugh C, Hille J, Hella J, Barber K. Acute Traumatic Subdural Hematoma in the Elderly and Associated Factors that May Influence Chronicity. Am Surg 2023; 89:6298-6300. [PMID: 36802907 DOI: 10.1177/00031348231157856] [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] [Indexed: 02/20/2023]
Abstract
Traumatic acute subdural hematomas (TASDH) is by far the most common traumatic brain injury in adult patients with blunt trauma, who presented to the Emergency Department (ED). One of the serious sequale of TASDH is the development of Chronic Subdural Hematomas (CSD) with associated deterioration in mental status and convulsion.1,2 Studies to identify the risk factors that favors development of chronicity of TASDH are few and inconclusive. As seen in our prior initial study, there were few factors which were common in those who developed chronicity of their TASDH, and we elected to expand our pool of patients to include those admitted between the years of 2015 and 2021 with ATSDH and identify the common factors associated with development of CSD.
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MESH Headings
- Adult
- Humans
- Aged
- Hematoma, Subdural, Acute/diagnostic imaging
- Hematoma, Subdural, Acute/etiology
- Hematoma, Subdural, Acute/surgery
- Brain Injuries/complications
- Brain Injuries, Traumatic/complications
- Hematoma, Subdural, Chronic/diagnostic imaging
- Hematoma, Subdural, Chronic/etiology
- Hematoma, Subdural, Chronic/surgery
- Risk Factors
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Maroufi SF, Farahbakhsh F, Macdonald RL, Khoshnevisan A. Risk factors for recurrence of chronic subdural hematoma after surgical evacuation: a systematic review and meta-analysis. Neurosurg Rev 2023; 46:270. [PMID: 37843688 DOI: 10.1007/s10143-023-02175-1] [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: 07/10/2023] [Revised: 09/20/2023] [Accepted: 10/02/2023] [Indexed: 10/17/2023]
Abstract
Chronic subdural hematoma (CSDH) is a common neurosurgical condition. Surgical evacuation has remained the primary treatment despite many advancements in the endovascular field. Regardless, recurrence requiring reoperation is commonly observed during the postoperative follow-up. Herein, we aimed to investigate risk factors for recurrence after surgical evacuation. A review of MEDLINE, EMBASE, Web of Science, and Scopus was conducted using the designed search string. Studies were reviewed based on the predefined eligibility criteria. Data regarding sixty potential risk factors along with operational information were extracted for analysis. A meta-analysis using the random-effect model was conducted, and each risk factor affecting the postoperative recurrence of CSDH was then evaluated and graded. A total of 198 records met the eligibility criteria. A total number of 8523 patients with recurrent CSDH and 56,096 with non-recurrent CSDH were included in the study. The recurrence rate after surgical evacuation was 12%. Fifteen preoperative, nine radiologic, four hematoma-related, and three operative and postoperative factors were associated with recurrence. Risk factors associated with recurrence after surgical evacuation are important in neurosurgical decision-making and treatment planning. Found risk factors in this study may be used as the basis for pre-operative risk assessment to choose patients who would benefit the most from surgical evacuation.
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Morales-Gómez JA, Garcia-Estrada E, Garza-Báez A, Mercado-Flores M, de León AMP. Subdural open drains as an effective and low-cost modality for the treatment of chronic subdural hematomas. Br J Neurosurg 2023; 37:1078-1081. [PMID: 33322934 DOI: 10.1080/02688697.2020.1858024] [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: 03/30/2020] [Accepted: 11/26/2020] [Indexed: 10/22/2022]
Abstract
PURPOSE We present a series that describes the presenting features and clinical outcomes in patients with CSDH treated with a standardised technique and an open-drain placement. METHODS We reviewed the medical records of 155 consecutive patients at a single centre who underwent CSDH evacuation by placing burr holes, accompanied by intraoperative irrigation and a subdural Penrose drain between 2014 and 2018. RESULTS The mean age was 65.9 years, 81.9% were males. The most common clinical characteristics were an altered mental state (21.9%) and headache (12.9%). It was necessary to perform a second surgical intervention due to the evidence in the postoperative tomography of a residual hematoma in 10.3% of the cases; there were 2 cases of recurrence in 6 months (1.3%). Pneumonia (6.5%) and seizures (5.8%) were the most frequent medical complications. Intracranial infections accounted for 1.9%, and the mortality rate was 6.4% of cases. CONCLUSIONS We provided our experience with a low-cost and less-commonly used technique in the management of CSDH. This technique showed similar recurrence, mortality and intracranial infection rates to those reported in the literature for closed drainage systems. Additional studies will be required to assess this technique.
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Mowla A, Abdollahifard S, Farrokhi A, Yousefi O, Valibeygi A, Azami P. Middle Meningeal Artery Embolization with Liquid Embolic Agents for Chronic Subdural Hematoma: A Systematic Review and Meta-analysis. J Vasc Interv Radiol 2023; 34:1493-1500.e7. [PMID: 37182671 DOI: 10.1016/j.jvir.2023.05.010] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/09/2022] [Revised: 04/03/2023] [Accepted: 05/04/2023] [Indexed: 05/16/2023] Open
Abstract
PURPOSE To assess the efficacy and safety of middle meningeal artery (MMA) embolization with liquid embolic agents and the outcomes of patients following this procedure. MATERIALS AND METHODS A review of the literature was conducted to identify studies investigating the efficacy and safety of MMA embolization with liquid embolic agents in patients with chronic subdural hematoma (cSDH) in PubMed, Scopus, Embase, and Web of Science. The keywords "liquid embolic agent," "middle meningeal artery," "cSDH," and "embolization" as well as their synonyms were used to build up the search strategy. The R statistical software and random-effects model were used for analysis. Heterogeneity was reported as I2, and publication bias was calculated using the Egger test. RESULTS Of 628 articles retrieved, 14 studies were eligible to be included in this study. Data of 276 patients were analyzed. n-Butyl cyanoacrylate and ethylene vinyl alcohol copolymer were the most commonly used embolic agents. This study revealed a pooled mortality rate of 0% (95% confidence interval [CI], 0.00%-100%), recurrence and failure rate of 3% (95% CI, 1%-10%), reoperation/reintervention rate of 4% (95% CI, 2%-12%), rate of size decrease of 94% (95% CI, 79%-98%), technical success rate of 100% (95% CI, 76%-100%), and adverse event rate of 1% (95% CI, 0.00%-4%). CONCLUSIONS With low mortality, recurrence, reoperation, and adverse event rates and a remarkable decrease in the size of hematomas, MMA embolization with liquid embolic agents may be considered a safe and effective treatment option in patients in whom surgical intervention has previously failed and as an alternative to conventional treatments.
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Sioutas GS, Mannam SS, Corral Tarbay A, Nia AM, Salem MM, Vivanco-Suarez J, Burkhardt JK, Jankowitz BT, Srinivasan VM. Dexamethasone and Statins in Patients Undergoing Primary Middle Meningeal Artery Embolization for Chronic Subdural Hematoma: A Propensity-Matched Study in the TriNetX Research Network. World Neurosurg 2023; 176:e83-e90. [PMID: 37164211 DOI: 10.1016/j.wneu.2023.04.127] [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: 03/10/2023] [Revised: 04/28/2023] [Accepted: 04/29/2023] [Indexed: 05/12/2023]
Abstract
OBJECTIVE Middle meningeal artery embolization (MMAE) is an effective minimally invasive option for chronic subdural hematoma (cSDH). Dexamethasone and statins have been reported to improve the resolution of cSDH and reduce its recurrence. However, only 1 study has investigated the role of statins in patients treated with MMAE, and there is no such study on dexamethasone. Thus, we used the TriNetX research network to determine whether adding dexamethasone or statin along with primary MMAE is associated with a benefit in outcomes. METHODS We queried all primary MMAE cases for cSDH between January 1st, 2012, and July 1st, 2022, in the TriNetX research network. We included patients greater than or equal to 18 years old and separated them regarding statin and dexamethasone use around the time of MMAE. Outcomes were evaluated within 6 months and 3 years after MMAE, and analyses were performed before and after propensity score matching. RESULTS The study included 372 patients with chronic subdural hematoma who underwent MMAE and were on dexamethasone, 339 not on dexamethasone, 391 on statins, and 278 not on statins. After propensity score matching, the dexamethasone cohorts included 250 patients each and only headache remained more prevalent in the dexamethasone cohort at both 6 months (21.2% vs. 10.0%, P = 0.001) and 3 years (23.6% vs. 12.4%, P = 0.001). After propensity score matching, the statin cohorts included 150 patients each and no differences in outcomes were found at both 6 months and 3 months after MMAE. CONCLUSIONS Patients treated with primary MMAE and were on dexamethasone or statins had no differences in mortality and functional/provider dependence compared to those who were not on dexamethasone or statins. Patients on dexamethasone had a higher prevalence of headaches.
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Ferber A, Zhou Y, Greenwald B. Persistent facial nerve palsy after middle meningeal artery embolization for subdural hematoma: a case report. Brain Inj 2023; 37:457-460. [PMID: 36625004 DOI: 10.1080/02699052.2023.2166116] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/11/2023]
Abstract
OBJECTIVE To describe a case of persistent facial nerve palsy after middle meningeal artery (MMA) embolization for chronic subdural hematoma (cSDH). METHODS A literature search was conducted for publications within the last 10 years of facial nerve palsy following cerebral circulation embolization procedures. RESULTS With inconsistencies between previously believed pathophysiology and clinical features, other mechanisms causing cSDH such as angiogenesis and capillary formation have been proposed. MMA embolization has evolved as a therapeutic approach to reduce recurrence of subdural hematoma; however, postoperative neural complications such as cranial nerve palsies are poorly described in the literature. CONCLUSIONS cSDH is increasingly more common and is on trajectory to become the most prevalent cranial neurosurgical condition. MMA embolization is described as a safe and minimally invasive procedure; however, as a relatively new procedure further research is needed to elucidate associated complications.
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Salih M, Khorasanizadeh M, McMillan N, Gomez-Paz S, Thomas AJ, Ogilvy CS, Moore JM. Cost Comparison for Open Surgery versus Middle Meningeal Artery Embolization in Patients with Chronic Subdural Hematomas: A Propensity Score-Matched Analysis. World Neurosurg 2023; 172:e94-e99. [PMID: 36549437 DOI: 10.1016/j.wneu.2022.12.042] [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: 12/03/2022] [Accepted: 12/09/2022] [Indexed: 12/24/2022]
Abstract
BACKGROUND Chronic subdural hematoma (cSDH) can be treated with conventional surgery or middle meningeal artery embolization (MMAE). The cost profiles of open surgery versus MMAE have never been studied. Therefore, we sought to compare the costs of surgical and MMAE treatment of cSDH. METHODS Patients treated with open surgery (2006-2019) and MMAE (2018-2020) were identified from the institutional database. Propensity score matching analysis was used to assemble a balanced group of subjects. Detailed hospitalization costs in each group were collected and compared. RESULTS A total of 341 conventionally treated and 52 MMAE cases were identified. After propensity score matching, 33 patients were included in each group, for a total of 66 patients for analysis. Direct procedural cost was significantly greater in the MMAE group compared with the open surgery group ($38,255 ± $11,859 vs. $11,206 ± $7888; P < 0.001). Medication cost also was greater in the MMAE group ($6888 ± $6525 vs. $4291 ± $3547; P = 0.048). No significant difference was found in costs for intensive care unit care, pharmacy, therapy, laboratory values, and the emergency department. Imaging costs and other miscellaneous costs (e.g., wound care, preoperative, and postanesthesia care unit) were greater in the open surgery group (P < 0.05). Total hospitalization cost was not significantly different between the 2 groups ($60,598 ± 61,315 vs. $71,569 ± $37,813 for open surgery and MMAE respectively, P = 0.385). No significant differences in number of follow ups or total costs for follow up were found (P > 0.05). CONCLUSIONS Open surgery and MMAE offer an overall equivalent cost-profile for cSDH treatment when matching for potential cost confounders. Direct procedural costs are greater in MMAE; however, total hospitalization costs and follow up costs are not significantly different.
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Karibe H, Narisawa A, Nagai A, Yamanouchi S, Kameyama M, Nakagawa A, Tominaga T. Incidence of Chronic Subdural Hematoma after Mild Head Trauma in Elderly Patients with or without Pre-traumatic Conditioning of Anti-thrombotic Drugs. Neurol Med Chir (Tokyo) 2023; 63:91-96. [PMID: 36682795 PMCID: PMC10072887 DOI: 10.2176/jns-nmc.2022-0327] [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] [Indexed: 01/20/2023] Open
Abstract
Anti-thrombotic drugs may increase the risk for chronic subdural hematoma (CSDH). However, whether to continue or discontinue/counteract these drugs has not been investigated in patients with mild head trauma. CSDH incidence after mild head trauma, as well as the risk for CSDH in patients with anti-thrombotic drugs, were investigated in this study. The study included 765 consecutive elderly (>65 y.o.) patients with mild head trauma and an initial Glasgow Coma Scale (GCS) score of 14 or 15. All patients received initial CT within 24 hours after trauma and were re-examined 30 days after trauma to detect CSDH formation, repeating for every 30 days to examine symptomatic CSDH progression. Patients were divided into two groups, with anti-thrombotic drugs (n = 195) or without them (n = 263), to investigate the influence of pre-traumatic conditioning with anti-thrombotic drugs on CSDH. The whole sample was 458 out of 765 cases. The incidence of CSDH formation was 91 out of 458 cases (19.9%) after mild head trauma, with no significant difference between with and without anti-thrombotic drugs. CSDH progressed as symptomatic in 21 out of 458 cases (4.6%), with no significant difference between with and without anti-thrombotic drugs. Pre-traumatic conditioning with anti-thrombotic drugs and its continuation after trauma did not affect the incidence of formation or symptomatic progression of CSDH. This finding suggests that discontinuing and/or counteracting anti-thrombotic drugs may be unnecessary in patients with mild head trauma.
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Erwood A, Wheelus J, Nguyen K, Reisner A, Chern JJ. Case Series on Removal of Subdural to Peritoneal Shunt After Resolution of Subdural Collection in the First 2 Years of Life. Oper Neurosurg (Hagerstown) 2022; 23:8-13. [PMID: 35726924 DOI: 10.1227/ons.0000000000000182] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/03/2021] [Accepted: 01/03/2022] [Indexed: 11/19/2022] Open
Abstract
BACKGROUND Subdural to peritoneal shunt (SPS) placement is an established treatment option for chronic subdural hematoma (SDH) in the pediatric population. Practice patterns vary between institutions, with some advocating shunt removal while others leave the SPS in place after SDH resolution. There remain a paucity of data to document the safety and outcomes after removal of SPS. OBJECTIVE To support the safety and efficacy of SPS placement and subsequent removal for chronic SDH in children younger than 2 years. METHODS A total of 26 patients younger than 2 years underwent SPS removal procedures over a 5-year period from 2015 to 2019 at a single institution. Patient characteristics, hospital course, and outcomes were prospectively recorded in the hospital electronic medical record. Attention was given to change in head circumference, size of subdural collection, need for reoperation, or complications because of shunt removal. RESULTS Patients who underwent SPS placement presented with macrocephaly, signs and symptoms of increased intracranial pressure, and radiographical evidence of subdural collections. The most common etiology of chronic SDH was nonaccidental head trauma (18 of 26 patients). SDS was kept in place for an average of 10 months. Resolution of SDH was demonstrated on imaging for all 26 patients. One patient did require reinsertion of SPS 2 weeks after SPS removal. CONCLUSION Removal of SPS remains controversial, and careful consideration of patient, family, and provider preferences and potential risks associated with SPS removal must be taken into consideration.
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Hamou H, Alzaiyani M, Pjontek R, Kremer B, Albanna W, Ridwan H, Clusmann H, Hoellig A, Veldeman M. Risk factors of recurrence in chronic subdural hematoma and a proposed extended classification of internal architecture as a predictor of recurrence. Neurosurg Rev 2022; 45:2777-2786. [PMID: 35461433 PMCID: PMC9349063 DOI: 10.1007/s10143-022-01790-8] [Citation(s) in RCA: 7] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/31/2021] [Revised: 03/30/2022] [Accepted: 04/12/2022] [Indexed: 12/03/2022]
Abstract
Chronic subdural hematomas (cSDHs) constitute one of the most prevalent intracranial disease entities requiring surgical treatment. Although mostly taking a benign course, recurrence after treatment is common and associated with additional morbidity and costs. Aim of this study was to develop hematoma-specific characteristics associated with risk of recurrence. All consecutive patients treated for cSDH in a single university hospital between 2015 and 2019 were retrospectively considered for inclusion. Size, volume, and midline shift were noted alongside relevant patient-specific factors. We applied an extended morphological classification system based on internal architecture in CT imaging consisting of eight hematoma subtypes. A logistic regression model was used to assess the classification’s performance on predicting hematoma recurrence. Recurrence was observed in 122 (32.0%) of 381 included patients. Apart from postoperative depressed brain volume (OR 1.005; 95% CI 1.000 to 1.010; p = 0.048), neither demographic nor factors related to patient comorbidity affected recurrence. The extended hematoma classification was identified as a significant predictor of recurrence (OR 1.518; 95% CI 1.275 to 1.808; p < 0.001). The highest recurrence rates were observed in hematomas of the homogenous (isodense: 41.4%; hypodense: 45.0%) and sedimented (50.0%) types. Our results support that internal architecture subtypes might represent stages in the natural history of chronic subdural hematoma. Detection and treatment at a later stage of spontaneous repair can result in a reduced risk of recurrence. Based on their high risk of recurrence, we advocate follow-up after treatment of sedimented and homogenous hematomas.
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Yamaguchi I, Kanematsu Y, Mizobuchi Y, Tada Y, Miyamoto T, Sogabe S, Ishihara M, Kagusa H, Yamamoto Y, Matsuda T, Kitazato KT, Okayama Y, Takagi Y. Chronic subdural hematoma associated with dural metastasis leads to early recurrence and death: A single-institute, retrospective cohort study. J Clin Neurosci 2021; 94:244-249. [PMID: 34863446 DOI: 10.1016/j.jocn.2021.10.037] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/21/2021] [Revised: 10/18/2021] [Accepted: 10/26/2021] [Indexed: 11/19/2022]
Abstract
The prevalence of chronic subdural hematoma (CSDH) associated with dural metastasis is uncertain, and appropriate treatment strategies have not been established. This study aimed to investigate the characteristics of and appropriate treatment strategies for CSDH associated with dural metastasis. We retrospectively reviewed the charts of 214 patients who underwent surgery for CSDH. The patients were divided into the dural metastasis group (DMG; n = 5, 2.3%) and no dural metastasis group (No-DMG; n = 209, 97.3%). Patient characteristics, treatment, and outcomes were compared between the two groups. Active cancer was detected in 31 out of 214 patients, 5 of whom (16.1%) had dural metastasis. In-hospital death (80.0% vs. 0%; p < 0.001) and recurrence within 14 days (80.0% vs. 2.9%; p < 0.001) and 60 days (80.0% vs. 13.9%; p = 0.002) were significantly prevalent in the DMG. All patients in the DMG developed subdural hematoma re-accumulation requiring emergent surgery because of brain herniation, and patients in the DMG had significantly worse recurrence-free survival (p < 0.001). This relationship remained significant (p < 0.001) even when the analysis was limited to the active cancer cohort (n = 31). CSDH associated with dural metastasis leads to early recurrence and death because of the difficulty in controlling subdural hematoma re-accumulation by common drainage procedures. Depending on the primary cancer status, withdrawal of active treatment and change to palliative care should be discussed after diagnosing CSDH associated with dural metastasis.
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Erdogan B, Is M, Tural Emon S, Ceman D, Orakdogen M, Engin T. Retrospective analysis of 195 surgically treated cases of chronic subdural hematoma. Int J Clin Pract 2021; 75:e15014. [PMID: 34808025 DOI: 10.1111/ijcp.15014] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 01/03/2021] [Revised: 04/17/2021] [Accepted: 11/19/2021] [Indexed: 11/29/2022] Open
Abstract
INTRODUCTION The incidence of chronic subdural hematoma (CSDH) is increasing. This study evaluates the etiologic causes and findings of CSDH and compared unilateral CSDH with bilateral CSDH. This study aims to draw attention to this increasingly prevalent condition. METHODS We retrospectively analysed 195 surgically treated cases of CSDH in our clinic between 2008 and 2018. RESULTS The average age of the patients was 65.7 ± 19.6 years. The most common symptom was headache (53.3%). The case background was the use of anticoagulant (37.9%), head trauma (34.3%). The hematomas were 28.7% right side, 44.6% left side, and 26.7% bilateral. The mean Glasgow Coma Score (GCS) was 13.4 ± 2.9, early postop 13.8 ± 2.5, and late postop was 14.6 ± 1.1. Postoperative complications included acute subdural hematoma (5.1%), cerebral infarction (1.5%), wound infection (0.5%) and others (13.3%). Re-expansion of the brain were statistically significantly less frequent and impaired consciousness, anticoagulant use, early and late postop thickness were statistically significantly more frequent in patients with bilateral CSDH. CONCLUSIONS CSDH is seen more patients of advanced age, those who use anticoagulants, patients with hypertension and diabetes and in patients with a history of head trauma. Prognosis is worse in bilateral CSDH. We estimate that the incidence of CSDH will go up in the future.
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Yang L, Li N, Yang L, Wang D, Qiang S, Zhao Z. Atorvastatin-Induced Absorption of Chronic Subdural Hematoma Is Partially Attributed to the Polarization of Macrophages. J Mol Neurosci 2021; 72:565-573. [PMID: 34569007 DOI: 10.1007/s12031-021-01910-x] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/03/2021] [Accepted: 09/02/2021] [Indexed: 11/25/2022]
Abstract
As one of the main types of secondary craniocerebral injury, the onset, progression, and prognosis of chronic subdural hematoma (CSDH) are closely related to the local inflammation of intracranial hematoma. Atorvastatin is reported to be effective in the conservative treatment of CSDH. This study aimed to clarify whether atorvastatin regulated the inflammatory responses in CSDH by interfering with the function of macrophages. The rat CSDH model was prepared by repeated intracranial blood injection with velocity gradient, and MRI was applied to calculate the intracranial hematoma volume. Changes in rat nerve functions were evaluated by foot-fault and Morris water maze tests. Flow cytometry was applied to detect the number of total macrophages and the percentage of M1 or M2 macrophages. The expression of inflammatory factors was examined by ELISA and western blot. Western bolt was applied to detect the expression of proteins involved in the colony-stimulating factor 1 receptor (CSF-1R) signaling pathway. Our results showed that atorvastatin significantly accelerated the absorption of hematoma and improved the nerve functions of CSDH rats. In addition, atorvastatin treatment effectively suppressed the expression of TNF-α, IL-6, and IL-8 and promoted the expression of IL-10. The total number of macrophages was decreased, and the percentage of M2 macrophages was increased in the intracranial hematoma following atorvastatin treatment. Furthermore, atorvastatin increased the levels of M2-related genes and surface markers in BMDMs stimulated by lipopolysaccharides and IFNγ, and activated the CSF-1R signaling pathway. In conclusion, our study shows that atorvastatin could alleviate the symptoms of CSDH and promote hematoma ablation by polarizing macrophages to M2 type and regulating the inflammatory responses.
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Edlmann E, Whitfield PC, Kolias A, Hutchinson PJ. Pathogenesis of Chronic Subdural Hematoma: A Cohort Evidencing De Novo and Transformational Origins. J Neurotrauma 2021; 38:2580-2589. [PMID: 33787358 DOI: 10.1089/neu.2020.7574] [Citation(s) in RCA: 9] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/30/2022] Open
Abstract
Chronic subdural hematoma (CSDH) is a common neurosurgical pathology, yet conflicting opinions exist concerning the pathophysiological processes involved. Many consider CSDH a product of an aged acute subdural hematoma (ASDH) secondary to trauma. Serial imaging, however, has demonstrated CSDH formation in patients without any initial ASDH. To understand the relevance of acute hemorrhage in a cohort of patients with CSDH, transformation from an ASDH were categorized as CSDH-acute transformed (CSDH-AT) and those without any acute hemorrhage at the outset as CSDH-de-novo (CSDH-DN). A cohort of 41 eligible patients with CSDH were included, with baseline imaging after trauma (or spontaneous ASDH) available for assessment of acute hemorrhage. Volumetric analysis of all subdural collections and measurements of baseline atrophy were performed. In 37% of cases, there was an ASDH present on baseline imaging (CSDH-AT), whereas 63% had no acute hemorrhage at baseline (CSDH-DN). The CSDH-ATs developed more rapidly (mean 16 days from baseline to diagnosis) and were smaller in volume than the CSDH-DNs, which developed at a mean delay of 57 days. In 54% of the CSDH-DNs, a subdural hygroma was present on baseline imaging, and there was a wide range of baseline cerebral atrophy. This study provides radiological evidence for two distinct pathways in the formation of CSDH, with CSDH-DN occurring more commonly and often involving subdural hygroma. Further work is needed to understand whether the pathological origin has implications for patient outcome.
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Gregori F, Colistra D, Mancarella C, Chiarella V, Marotta N, Domenicucci M. Arachnoid cyst in young soccer players complicated by chronic subdural hematoma: personal experience and review of the literature. Acta Neurol Belg 2020; 120:235-246. [PMID: 31654391 DOI: 10.1007/s13760-019-01224-1] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/09/2019] [Accepted: 10/10/2019] [Indexed: 11/28/2022]
Abstract
Arachnoid cysts (ACs) are congenital intracranial benign cavities originating from the meninges during embryological development. Several studies have shown the existence of a relationship between AC and a higher risk to develop ipsilateral chronic subdural hematoma (CSH) especially in a young population. In the presence of an AC, the practice of sport activities may expose young patients to minor head trauma and to an increased risk of developing CSH. We describe three cases of young soccer players with AC associated with CSH. Then, we performed a literature review of all the reported cases in the literature of patients younger than 18 years with AC-associated CSH related to sport practice. A total of 33 cases, including the three cases reported by us, are analyzed. Soccer is the most represented sport activity in this association (39% of cases). The treatment of choice is surgical in all patients, with burr hole or craniotomy in similar proportions. In one-third of patients, the AC has been fenestrated. Outcome is good in all the reported cases. We reviewed the main pathogenic theories, the main surgical strategies described in literature, as well as recurrence rate of CSH, the association of AC and cranial deformities, and the clinical outcome. AC might be associated with skull deformities, but their real incidence remains unclear. The clinical detection of such anomalies should suggest performing further radiological investigations. If the presence of AC is confirmed, the practice of sport activities should not be avoided, as the real incidence of AC-associated CSH is not clear yet and the reported outcomes in literature are good. Surgical treatment of AC-associated CSH should be hematoma removal through burr hole, reserving AC fenestration only for cases with intracystic bleeding or recurrences. The surgeon should adequately advise and inform the young patients and their families that they could have an increased risk of developing CSH given by the presence of the AC, and that they should be referred to a neurosurgical center if they become symptomatic.
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Zahl SM, Wester K, Gabaeff S. Examining perinatal subdural haematoma as an aetiology of extra-axial hygroma and chronic subdural haematoma. Acta Paediatr 2020; 109:659-666. [PMID: 31637736 PMCID: PMC7154632 DOI: 10.1111/apa.15072] [Citation(s) in RCA: 9] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 05/22/2019] [Revised: 09/29/2019] [Accepted: 10/21/2019] [Indexed: 11/30/2022]
Abstract
AIM Benign external hydrocephalus (BEH), hygroma and chronic subdural haematoma are extra-axial fluid collections in infants. MRI studies have shown that almost half of all new-borns have perinatal subdural blood, generally referred to as subdural haematoma (SDH) or perinatal SDH. Epidemiologically there are striking similarities between chronic SDH and BEH in infants. METHODS Discussion of pathophysiological mechanisms for BEH and chronic SDH, based on existing literature. RESULTS Perinatal SDH is common, and we hypothesise that this condition in some infants develop into extra-axial fluid collections, known as hygroma, BEH or chronic subdural haematoma. The mechanism seems to be an intradural bleeding that creates an obstructive layer preventing normal CSF absorption. The site where the bleeding originates from and those areas enveloped in blood from the primary damaged area are prone to later rebleeds, seen as 'acute on chronic' haematomas. With steady production of CSF and the blockage, increased intracranial pressure drives the accelerated skull growth seen in many of these children. CONCLUSION Perinatal SDH hampers CSF absorption, possibly leading to BEH and chronic SDH, with a high risk of false accusations of abuse. Close monitoring of head circumference could prove vital in detecting children with this condition.
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