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Recent Updates in Neurosurgical Interventions for Spontaneous Intracerebral Hemorrhage: Minimally Invasive Surgery to Improve Surgical Performance.

ABSTRACT: The efficacy and safety of surgical treatment for intracerebral hemorrhage (ICH) have long been subjects of investigation and debate. The recent results of the minimally invasive surgery plus alteplase for intracerebral hemorrhage evacuation (MISTIE) III trial demonstrated the safety of the procedure and a reduction in mortality compared to medical treatment. Although no improvement in functional outcomes was shown, the trial elucidated that benefits of intervention depend on surgical performance: a greater ICH reduction, defined as ≤ 15 mL end of treatment ICH volume or ≥70% volume reduction, correlated with significant functional improvement. Recent meta-analyses suggested the benefits of neurosurgical hematoma evacuation, especially when performed earlier and done using minimally invasive procedures. In MISTIE III, to confirm hemostasis and reduce the risk of rebleeding, the mean time from onset to surgery and treatment completion took 47 and 123 h, respectively. Theoretically, the earlier the hematoma is removed, the better the outcome. Therefore, a higher rate of hematoma reduction within an earlier time course may be beneficial. Neuroendoscopic surgery enables less invasive removal of ICH under direct visualization. Minimally invasive procedures have continued to evolve with the support of advanced guidance systems and devices in favor of better surgical performance. Ongoing randomized controlled trials utilizing emerging minimally invasive techniques, such as the Early Minimally Invasive Removal of Intra Cerebral Hemorrhage (ENRICH) trial, Minimally Invasive Endoscopic Surgical Treatment with Apollo/Artemis in Patients with Brain Hemorrhage (INVEST) trial, and the Dutch Intracerebral Hemorrhage Surgery Trial (DIST), may provide significant information on the optimal treatment for ICH.

SUBMITTER: Kobata H

PROVIDER: S-EPMC8326326 | biostudies-literature |

REPOSITORIES: biostudies-literature

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Project description:BackgroundMinimally invasive surgery (MIS) for evacuation of spontaneous intracerebral hemorrhage (ICH) has shown promise but there remains a need for intraoperative performance assessment considering the wide range of evacuation effectiveness. In this feasibility study, we analyzed the benefit of intraoperative 3-dimensional imaging during navigated endoscopy-assisted ICH evacuation by mechanical clot fragmentation and aspiration.Methods18 patients with superficial or deep supratentorial ICH underwent MIS for clot evacuation followed by intraoperative computerized tomography (iCT) or cone-beam CT (CBCT) imaging. Eligibility for MIS required (a) availability of intraoperative iCT or CBCT, (b) spontaneous lobar or deep ICH without vascular pathology, (c) a stable ICH volume (20-90 ml), (d) a reduced level of consciousness (GCS 5-14), and (e) a premorbid mRS ≤ 1. Demographic, clinical, and radiographic patient data were analyzed by two independent observers.ResultsNine female and 9 male patients with a median age of 76 years (42-85) presented with an ICH score of 3 (1-4), GCS of 10 (5-14) and ICH volume of 54 ± 26 ml. Clot fragmentation and aspiration was feasible in all cases and intraoperative imaging determined an overall evacuation rate of 80 ± 19% (residual hematoma volume: 13 ± 17 ml; p < 0.0001 vs. Pre-OP). Based on the intraoperative imaging results, 1/3rd of all patients underwent an immediate re-aspiration attempt. No patient experienced hemorrhagic complications or required conversion to open craniotomy. However, routine postoperative CT imaging revealed early hematoma re-expansion with an adjusted evacuation rate of 59 ± 30% (residual hematoma volume: 26 ± 37 ml; p < 0.001 vs. Pre-OP).ConclusionsRoutine utilization of iCT or CBCT imaging in MIS for ICH permits direct surgical performance assessment and the chance for immediate re-aspiration, which may optimize targeting of an ideal residual hematoma volume and reduce secondary revision rates.

Project description:ObjectiveThe effect of surgical treatment for supratentorial spontaneous intracerebral hemorrhage (ICH) and whether it is modified by key baseline characteristics and timing remains uncertain.MethodsWe performed a systematic review and meta-analysis of randomized controlled trials of surgical treatment of supratentorial spontaneous ICH aimed at clot removal. We searched MEDLINE, Embase, and Cochrane databases up to February 21, 2019. Primary outcome was good functional outcome at follow-up; secondary outcomes were death and serious adverse events. We analyzed all types of surgery combined and minimally invasive approaches separately. We pooled risk ratios with 95% confidence intervals and assessed the modifying effect of age, Glasgow Coma Scale, hematoma volume, and timing of surgery with meta-regression analysis.ResultsWe included 21 studies with 4,145 patients; 4 (19%) were of the highest quality. Risk ratio of good functional outcome after any type of surgery was 1.40 (95% confidence interval [CI] = 1.22-1.60, I2 = 46%, 20 studies), and after minimally invasive surgery it was 1.47 (95% CI = 1.26-1.72, I2 = 47%, 12 studies). For death, the risk ratio for any type of surgery was 0.77 (95% CI = 0.68-0.85, I2 = 23%, 21 studies), and for minimally invasive surgery it was 0.68 (95% CI = 0.56-0.83, I2 = 14%, 13 studies). Serious adverse events were reported infrequently. Surgery seemed more effective when performed sooner after symptom onset (p = 0.04, 12 studies). Age, Glasgow Coma Scale, and hematoma volume did not modify the effect of surgery.InterpretationSurgical treatment of supratentorial spontaneous ICH may be beneficial, in particular with minimally invasive procedures and when performed soon after symptom onset. Further well-designed randomized trials are needed to demonstrate whether (minimally invasive) surgery improves functional outcome after ICH and to determine the optimal time window of the treatment after symptom onset. ANN NEUROL 2020;88:239-250.

Project description:OBJECTIVE:Despite no clear evidence from randomized trials, surgical intervention of spontaneous intracerebral hemorrhage (ICH) still occurs. We sought to describe the characteristics of patients undergoing surgical intervention in ICH. METHODS:Data from the ERICH (ERICH Ethnic/Racial Variations of Intracerebral Hemorrhage) study were analyzed, and patients with ICH were categorized into surgical intervention or nonoperative management groups. Patients with primary intraventricular hemorrhage and those without data regarding the use of surgical intervention were excluded. RESULTS:The study cohort comprised 2947 patients, and surgical intervention was performed in 289 (10%). Younger age (odds ratio [OR], 0.967; P < 0.001), lower baseline modified Rankin Scale score (OR, 0.728; P < 0.001), higher admission Glasgow Coma Scale score (OR, 1.059; P = 0.007), larger ICH volume (OR, 1.037; P < 0.001), infratentorial ICH location (OR, 5.966; P < 0.001), lobar ICH location (OR, 1.906; P = 0.001), lack of intraventricular hemorrhage (OR, 0.567; P = 0.001), intracranial pressure (ICP) monitoring (OR, 5.022; P < 0.001), and mannitol use (OR, 2.389; P < 0.001) were independent predictors of surgical intervention. Younger age (OR, 0.953; P < 0.001), lower baseline modified Rankin Scale score (OR, 0.713; P = 0.002), larger ICH volume (OR, 1.033; P < 0.001), lobar ICH location (OR, 2.467; P < 0.001), ICP monitoring (OR, 3.477; P < 0.001), and mannitol use (OR, 2.139; P < 0.001) were independent predictors of surgical interventions in supratentorial ICHs. Larger ICH volume (OR, 1.078; P < 0.001), ICP monitoring (OR, 6.099; P < 0.001), and mannitol use (OR, 2.952; P = 0.005) were independent predictors of surgical interventions in infratentorial ICHs. CONCLUSIONS:We identified multiple factors associated with surgical intervention for patients with ICH. Younger age, good neurologic function at baseline, large ICH volume on presentation, and lobar or infratentorial hematomas were independently associated with surgical intervention in patients with ICH .

Project description:ObjectiveWe compared the safety and effectiveness of minimally invasive parafascicular surgery (MIPS) as a frontline treatment for spontaneous supratentorial ICH to medical management. Patients. The sample consisted of 17 patients who underwent MIPS from January 2014 to December 2016 and a comparison group of 23 patients who were medically managed from June 2012 to December 2013. All had an International Classification of Disease (ICD) diagnosis of 431 and were treated at Grady Memorial Hospital, an urban, public, safety-net hospital.MethodsThe primary endpoint was risk of inpatient mortality. Secondary endpoints were rates of inpatient infection and favorable discharge status, defined as discharge to home or rehabilitation facility. Demographics and pre- and postclinical outcomes were compared using t-tests, the Mann-Whitney test, and chi-squared tests for continuous, ordinal and categorical measures, respectively. Cox proportional hazard models were used to estimate the time to inpatient death. Logistic regression analyses were used to determine treatment effects on secondary outcomes. We also conducted exploratory subgroup analyses which compared MIPS to two medical management subgroups: those who had surgery during their hospitalization and those that did not.ResultsTwo patients (12%) died in the MIPS group compared to three (12%) in the medical management group. MIPS did not increase the risk of inpatient mortality relative to medical management. Rates of inpatient infection did not differ significantly between the two groups; eight MIPS patients (47%) and 13 medically managed patients (50%) contracted infections. MIPS significantly increased the likelihood of favorable discharge status (odds ratio (OR) 1.77; 95% CI, 1.12-21.9) compared to medical management. No outcome measures were significantly different between MIPS and the medical management subgroup without surgery, while rates of favorable discharge were higher among the MIPS patients compared to the medical management group with surgery.ConclusionsThese data suggest that MIPS, as a frontline treatment for spontaneous ICH, versus medical management for spontaneous ICH warrants further investigation.

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Recent Updates in Neurosurgical Interventions for Spontaneous Intracerebral Hemorrhage: Minimally Invasive Surgery to Improve Surgical Performance.

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