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Docherty C, Page C, Wilson J, Ross P, Garrity K, Quasim T, Shaw M, McPeake J. Association between inflammation and post-intensive care syndrome: a systematic review. Anaesthesia 2024; 79:748-758. [PMID: 38508699 DOI: 10.1111/anae.16258] [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] [Accepted: 12/19/2023] [Indexed: 03/22/2024]
Abstract
Post-intensive care syndrome describes the physical, cognitive and emotional symptoms which persist following critical illness. At present there is limited understanding of the pathological mechanisms contributing to the development of post-intensive care syndrome. The aim of this systematic review was to synthesise current evidence exploring the association between inflammation and features of post-intensive care syndrome in survivors of critical illness. Relevant databases were systematically searched for studies of human participants exposed to critical illness. We sought studies that reported results for biomarkers with an identified role in the pathophysiology of inflammation obtained at any time-point in the patient journey and an outcome measure of any feature of post-intensive care syndrome at any point following hospital discharge. We included 32 studies, with 23 in the primary analysis and nine in a brain injury subgroup analysis. In the primary analysis, 47 different biomarkers were sampled and 44 different outcome measures were employed. Of the biomarkers which were sampled in five or more studies, interleukin-8, C-reactive protein and interleukin-10 most frequently showed associations with post-intensive care syndrome outcomes in 71%, 62% and 60% of studies, respectively. There was variability in terms of which biomarkers were sampled, time-points of sampling and outcome measures reported. Overall, there was mixed evidence of a potential association between an inflammatory process and long-term patient outcomes following critical illness. Further high-quality research is required to develop a longitudinal inflammatory profile of survivors of critical illness over the recovery period and evaluate the association with outcomes.
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Affiliation(s)
- C Docherty
- Academic Unit of Anaesthesia, Critical Care and Peri-operative Medicine, School of Medicine, Dentistry and Nursing, University of Glasgow, Glasgow, UK
| | - C Page
- Department of Anaesthesia, Queen Elizabeth University Hospital, Glasgow, UK
| | - J Wilson
- Departments of Emergency Medicine and Intensive Care Medicine, Queen Elizabeth University Hospital, Glasgow, UK
| | - P Ross
- Department of Intensive Care Medicine, Glasgow Royal Infirmary, Glasgow, UK
| | - K Garrity
- Academic Unit of Anaesthesia, Critical Care and Peri-operative Medicine, School of Medicine, Dentistry and Nursing, University of Glasgow, Glasgow, UK
| | - T Quasim
- Academic Unit of Anaesthesia, Critical Care and Peri-operative Medicine, School of Medicine, Dentistry and Nursing, University of Glasgow, Glasgow, UK
- Department of Intensive Care Medicine, Glasgow Royal Infirmary, Glasgow, UK
| | - M Shaw
- Academic Unit of Anaesthesia, Critical Care and Peri-operative Medicine, School of Medicine, Dentistry and Nursing, University of Glasgow, Glasgow, UK
- NHS Greater Glasgow and Clyde, Glasgow, UK
| | - J McPeake
- The Healthcare Improvement Studies Institute, University of Cambridge, Cambridge, UK
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Yu T, Wang Z. Utility of the Systemic Inflammation Response Index as a Predictor of Pneumonia After Spontaneous Intracerebral Hemorrhage. Neurologist 2024; 29:205-211. [PMID: 38042171 DOI: 10.1097/nrl.0000000000000538] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/04/2023]
Abstract
OBJECTIVE We sought to determine whether the initial Systemic Inflammatory Response Index (SIRI) was associated with pneumonia after spontaneous intracerebral hemorrhage (SICH) in hospitalized patients. PATIENTS AND METHODS Patients with SICH admitted to Taizhou People's Hospital between January 2019 and December 2021 were retrospectively analyzed. Baseline variables were compared between stroke-associated pneumonia (SAP) and non-SAP groups. Multivariable logistic regression analyses were utilized to calculate the relationship between SIRI and SAP risk. RESULTS Of 495 patients included in this research, 192 (38.79%) developed SAP ultimately. The SIRI values exhibited the highest area under the curve value for SAP incidence (area under the curve = 0.736, 95% CI: 0.692-0.781), with respective sensitivity and specificity values of 0.646 and 0.749 at the optimal cutoff threshold of 2.53. In multivariate analysis, high SIRI (≥2.53) was a significant independent predictor of post-SICH SAP even after controlling for other possible confounding variables (odds ratio: 5.11, 95% CI: 2.89-9.04, P < 0.001). According to the restricted cubic splines model, SAP risk increases as SIRI increases. CONCLUSIONS We observed that SIRI values may offer high diagnostic utility as a predictor of SAP risk among patients with SICH during the early stages of the disease.
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Affiliation(s)
- Tingting Yu
- Department of Neurology, Taizhou People's Hospital, Taizhou, Jiangsu Province
| | - Zhengyang Wang
- Department of Neurology, The First Affiliated Hospital of Chongqing Medical University, Chongqing, China
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Zhong P, Lu Z, Li Z, Li T, Lan Q, Liu J, Chen S, Wang Z, Huang Q. Impact of premorbid hypertension and renin-angiotensin-aldosterone system inhibitors on the severity of aneurysmal subarachnoid haemorrhage: a multicentre study. Stroke Vasc Neurol 2024:svn-2023-003052. [PMID: 38889918 DOI: 10.1136/svn-2023-003052] [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: 12/19/2023] [Accepted: 05/28/2024] [Indexed: 06/20/2024] Open
Abstract
BACKGROUND Hypertension is widely acknowledged as a significant contributory factor to the heightened risk of intracranial aneurysm rupture. Nevertheless, the impact of hypertension management on the outcomes subsequent to aneurysmal subarachnoid haemorrhage (aSAH), particularly concerning the severity of aSAH, remains an underexplored area. METHODS We conducted a retrospective analysis using data from a prospectively multicentre cohort of 4545 patients with aSAH in China. Premorbid hypertension status and the utilisation of antihypertensive medications prior to admission were set as key exposure factors. The primary outcomes encompassed unfavourable clinical grading scales observed on admission. Employing multivariable logistic regression, we explored the association between premorbid hypertension status, preadmission use of renin-angiotensin-aldosterone system (RAAS) inhibitors and unfavourable clinical grading scales. RESULTS In comparison to patients with normal blood pressure, only uncontrolled hypertension demonstrated a significant and independent association with an elevated risk of poor outcomes on the Hunt-Hess scale (OR=1.799, 95% CI 1.413 to 2.291, p<0.001) and the World Federation of Neurological Surgeons (WFNS) scale (OR=1.721, 95% CI 1.425 to 2.079, p<0.001). Furthermore, the antecedent use of RAAS inhibitors before admission was markedly and independently linked to a diminished risk of adverse outcomes on the Hunt-Hess scale (OR=0.653, 95% CI 0.430 to 0.992, p=0.046) and the WFNS scale (OR=0.656, 95% CI 0.469 to 0.918, p=0.014). CONCLUSIONS Uncontrolled hypertension markedly elevates the risk of adverse clinical outcomes following an aSAH. Conversely, the preadmission utilisation of RAAS inhibitors demonstrates a noteworthy association with a favourable clinical outcome after aSAH.
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Affiliation(s)
- Ping Zhong
- Department of Neurosurgery and Department of Neuroscience, Fujian Key Laboratory of Brain Tumors Diagnosis and Precision Treatment, Xiamen Key Laboratory of Brain Center, The First Affiliated Hospital of Xiamen University, School of Medicine, Xiamen University, Xiamen, Fujian, China
- Department of Neuroscience, Institute of Neurosurgery, School of Medicine, Xiamen University, Xiamen, Fujian, China
- Department of Neurosurgery, The First Affiliated Hospital of Xiamen University, School of Medicine, Xiamen University, Xiamen, Fujian, China
| | - Zhiwen Lu
- Neurovascular Center, Changhai Hospital, Second Military Medical University, Shanghai, China
| | - Zhangyu Li
- Department of Neurosurgery, The First Affiliated Hospital of Xiamen University, School of Medicine, Xiamen University, Xiamen, Fujian, China
| | - Tianxiao Li
- Neurovascular Center, Henan Provincial People's Hospital, Zhengzhou, Henan Province, China
| | - Qing Lan
- Department of Neurosurgery, Second Affiliated Hospital of Soochow University, Suzhou, China
| | - Jianmin Liu
- Neurovascular Center, Changhai Hospital, Second Military Medical University, Shanghai, China
| | - Sifang Chen
- Department of Neurosurgery, The First Affiliated Hospital of Xiamen University, School of Medicine, Xiamen University, Xiamen, Fujian, China
| | - Zhanxiang Wang
- Department of Neurosurgery and Department of Neuroscience, Fujian Key Laboratory of Brain Tumors Diagnosis and Precision Treatment, Xiamen Key Laboratory of Brain Center, The First Affiliated Hospital of Xiamen University, School of Medicine, Xiamen University, Xiamen, Fujian, China
- Department of Neuroscience, Institute of Neurosurgery, School of Medicine, Xiamen University, Xiamen, Fujian, China
- Department of Neurosurgery, The First Affiliated Hospital of Xiamen University, School of Medicine, Xiamen University, Xiamen, Fujian, China
| | - Qinghai Huang
- Neurovascular Center, Changhai Hospital, Second Military Medical University, Shanghai, China
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Li T, Li R, Lin F, Chen X. A Mediation Analysis of the Association Between Systemic Inflammation Response Index, in-Hospital Complications, and Poor Long-Term Functional Outcomes in Patients with Aneurysmal Subarachnoid Hemorrhage: Insights from a Large Prospective Cohort Study. J Inflamm Res 2024; 17:3697-3708. [PMID: 38882185 PMCID: PMC11178086 DOI: 10.2147/jir.s460364] [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: 01/19/2024] [Accepted: 06/05/2024] [Indexed: 06/18/2024] Open
Abstract
Purpose Early systemic inflammatory changes are increasingly recognized as factors influencing outcomes after aneurysmal subarachnoid hemorrhage (aSAH). Systemic inflammation response index (SIRI), an inflammation biomarker, was thought to be associated with adverse outcomes in many other diseases. However, in aSAH, research on SIRI remains limited. Thus, our objective was to investigate the association between SIRI and poor long-term functional outcomes while evaluating the mediating role of in-hospital complications in this association. Patients and Methods SIRI was defined as neutrophil count × monocyte count/lymphocyte count. Patients were categorized according to SIRI quartiles. Stabilized inverse probability of treatment weighting (sIPTW) was utilized to minimize group differences. The association between SIRI and in-hospital complications as well as poor 90-day functional outcomes (mRS 3-6) was estimated by multivariable logistic regression analyses. Mediation analysis was performed to investigate the relationship between SIRI and poor functional outcomes mediated by in-hospital complications. Results A total of 650 patients were prospectively included. After sIPTW, compared to the lowest quartile, an elevated SIRI was associated with delayed cerebral ischemia (DCI) (OR 2.12, 95% CI 1.20-3.74), post-operative pneumonia (POP) (OR 2.16, 95% CI 1.29-3.62) and poor 90-day functional outcomes (OR 3.03, 95% CI 1.55-5.91). In-hospital complications including DCI (mediation proportion, 18.18% before sIPTW and 20.0% after sIPTW) and POP (mediation proportion, 18.18% before sIPTW and 26.7% after sIPTW) partially mediated the association between SIRI and poor 90-day functional outcomes. Mediation analysis yielded comparable results in subgroups stratified by age and sex. Conclusion In this study, SIRI was associated with poor long-term functional outcomes in aSAH, which was partially mediated by DCI and POP with a mediation proportion exceeding 18%. Our findings might underscore the potential utility of SIRI in prompting physicians to address systemic inflammatory status timely to prevent in-hospital complications, including DCI and POP, and ultimately improve long-term functional outcomes.
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Affiliation(s)
- Tu Li
- Department of Neurosurgery, Beijing Tiantan Hospital, Beijing, People's Republic of China
| | - Runting Li
- Department of Neurosurgery, Beijing Tiantan Hospital, Beijing, People's Republic of China
| | - Fa Lin
- Department of Neurosurgery, Beijing Tiantan Hospital, Beijing, People's Republic of China
| | - Xiaolin Chen
- Department of Neurosurgery, Beijing Tiantan Hospital, Beijing, People's Republic of China
- Stroke Center, Beijing Institute for Brain Disorders, Beijing, People's Republic of China
- Beijing Key Laboratory of Translational Medicine for Cerebrovascular Disease, Capital Medical University, Beijing, People's Republic of China
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Peng L, Gan Q, Xiao Y, He J, Cheng X, Wang P, Chen L, Li T, He Y, Chong W, Hai Y, You C, Fang F, Zhang Y. Postoperative systemic inflammatory response syndrome predicts increased mortality in patients after elective craniotomy. Front Surg 2024; 10:1331073. [PMID: 38239666 PMCID: PMC10794578 DOI: 10.3389/fsurg.2023.1331073] [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: 11/01/2023] [Accepted: 12/05/2023] [Indexed: 01/22/2024] Open
Abstract
Introduction Patients undergoing craniotomy are at high risk of perioperative morbidity and mortality due to excessive inflammatory responses. The purpose of the present study is to evaluate the prognostic utility of postoperative systemic inflammatory response syndrome (SIRS) in patients undergoing craniotomy. Methods We performed a retrospective cohort study of patients who underwent craniotomy between January 2011 and March 2021. SIRS was diagnosed based on two or more criteria (hypo-/hyperthermia, tachypnea, leukopenia/leukocytosis, tachycardia). We used univariate and multivariate analysis for the development of SIRS with postoperative 30-day mortality. Results Of 12,887 patients who underwent craniotomy, more than half of the patients (n = 6,725; 52.2%) developed SIRS within the first 7 days after surgery, and 157 (1.22%) patients died within 30 days after surgery. In multivariable analyses, SIRS (OR, 1.57; 95% CI, 1.12-2.21) was associated with 30-day mortality. Early SIRS was not predictive of 30-day mortality, whereas delayed SIRS was predictive of 30-day mortality. Abnormal white blood cell (WBC) counts contributed the most to the SIRS score, followed by abnormal body temperature, respiratory rate, and heart rate. Conclusion Postoperative SIRS commonly occurs after craniotomy and is an independent predictor of postoperative 30-day mortality. This association was seen only in delayed SIRS but not early SIRS. Moreover, increased WBC counts contributed the most to the SIRS score.
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Affiliation(s)
- Liyuan Peng
- Department of Critical Care Medicine, Affiliated Hospital of Chengdu University, Chengdu, Sichuan, China
| | - Qi Gan
- Department of Neurosurgery, West China Hospital, Sichuan University, Chengdu, Sichuan, China
| | - Yangchun Xiao
- Department of Neurosurgery, Affiliated Hospital of Chengdu University, Chengdu, Sichuan, China
| | - Jialing He
- Department of Neurosurgery, West China Hospital, Sichuan University, Chengdu, Sichuan, China
| | - Xin Cheng
- Department of Neurosurgery, West China Hospital, Sichuan University, Chengdu, Sichuan, China
| | - Peng Wang
- Department of Neurosurgery, West China Hospital, Sichuan University, Chengdu, Sichuan, China
| | - Lvlin Chen
- Department of Critical Care Medicine, Affiliated Hospital of Chengdu University, Chengdu, Sichuan, China
| | - Tiangui Li
- Department of Neurosurgery, West China Hospital, Sichuan University, Chengdu, Sichuan, China
| | - Yan He
- Department of Critical Care Medicine, Affiliated Hospital of Chengdu University, Chengdu, Sichuan, China
| | - Weelic Chong
- Department of Medical Oncology, Thomas Jefferson University, Philadelphia, PA, United States
| | - Yang Hai
- Department of Radiology, Thomas Jefferson University, Philadelphia, PA, United States
| | - Chao You
- Department of Neurosurgery, West China Hospital, Sichuan University, Chengdu, Sichuan, China
| | - Fang Fang
- Department of Neurosurgery, West China Hospital, Sichuan University, Chengdu, Sichuan, China
| | - Yu Zhang
- Center for Evidence Based Medical, Affiliated Hospital of Chengdu University, Chengdu, Sichuan, China
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Wang L, Chen L, Jin Y, Cao X, Xue L, Cheng Q. Clinical value of the low-grade inflammation score in aneurysmal subarachnoid hemorrhage. BMC Neurol 2023; 23:436. [PMID: 38082254 PMCID: PMC10712030 DOI: 10.1186/s12883-023-03490-2] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/07/2023] [Accepted: 12/05/2023] [Indexed: 12/18/2023] Open
Abstract
BACKGROUND AND PURPOSE Multiple inflammatory biomarkers have been shown to predict symptomatic cerebral vasospasm (SCVS) and poor functional outcome in patients with aneurysmal subarachnoid hemorrhage. However, the impact of the low-grade inflammation (LGI) score, which can reflect the synergistic effects of five individual inflammatory biomarkers on SCVS and poor functional outcome on aneurysmal subarachnoid hemorrhage (aSAH), has not yet been well established. The aim of this study was to evaluate the impact of the LGI score on SCVS and poor functional outcome in aSAH patients. METHODS The LGI score was calculated as the sum of 10 quantiles of each individual inflammatory biomarker. The association of the LGI score with the risk of SCVS and poor functional outcome was analyzed with multivariate logistical regression. RESULTS A total of 270 eligible aSAH patients were included in this study: 74 (27.4%) had SCVS, and 79 (29.3%) had poor functional outcomes. After adjusting for confounders, a higher LGI score was revealed to independently predict SCVS (OR, 1.083; 95% CI, 1.011-1.161; P = 0.024) and poor functional outcome (OR, 1.132; 95% CI, 1.023-1.252; P = 0.016), and the second and third tertile group had higher risk of SCVS than lowest tertile group (OR, 2.826; 95% CI, 1.090-7.327; P = 0.033) (OR, 3.243; 95% CI, 1.258-8.358; P = 0.015). The receiver operating characteristic (ROC) curve uncovered the ability of the LGI score to distinguish patients with and without SCVS (area under the curve [AUC] = 0.746; 95% CI, 0.690-0.797; P < 0.001) and poor functional outcomes (area under the curve [AUC] = 0.799; 95% CI, 0.746-0.845; P < 0.001), the predictive value of LGI on SCVS and poor functional outcome is superior than PLT, NLR and WBC, but there was no statistical difference between LGI and CRP for predicting SCVS (P = 0.567) and poor functional outcome (P = 0.171). CONCLUSIONS A higher LGI which represents severe low grade inflammation status is associated with SCVS and poor functional outcome at 3 months after aSAH.
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Affiliation(s)
- Ling Wang
- Department of Neurology, Changhai Hospital, Second Military Medical University, Shanghai, China
| | - Ling Chen
- Department of Neurology, The First Affiliated Hospital of Anhui Medical University, Hefei, China
| | - Yang Jin
- Department of Neurology, The Affiliated Huai'an Hospital of Xuzhou Medical University, Huaian, Jiangsu, China
| | - Xiangyang Cao
- Department of Neurology, The Affiliated Huai'an Hospital of Xuzhou Medical University, Huaian, Jiangsu, China
| | - Liujun Xue
- Department of Neurology, The Affiliated Huai'an No.1 People's Hospital of Nanjing Medical University, Huaian, Jiangsu, China
| | - Qiantao Cheng
- Department of Neurology, Huai' an 82 hospital, Huaian, Jiangsu, China.
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Zhang P, Li Y, Zhang H, Wang X, Dong L, Yan Z, She L, Wang X, Wei M, Tang C. Prognostic value of the systemic inflammation response index in patients with aneurismal subarachnoid hemorrhage and a Nomogram model construction. Br J Neurosurg 2023; 37:1560-1566. [PMID: 33044089 DOI: 10.1080/02688697.2020.1831438] [Citation(s) in RCA: 20] [Impact Index Per Article: 20.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/24/2020] [Accepted: 09/29/2020] [Indexed: 12/16/2022]
Abstract
OBJECTIVE To investigate the prognostic value of inflammatory markers, including neutrophil/lymphocyte ratio (NLR), derived neutrophil/lymphocyte ratio (dNLR), platelet/lymphocyte ratio (PLR), monocyte/lymphocyte ratio (MLR), prognostic nutritional index (PNI), and systemic inflammation response index (SIRI) in patients with aneurismal subarachnoid hemorrhage (aSAH), and then develop a Nomogram prognostic model. METHODS We analysed 178 aSAH patients who underwent surgery at Subei People's Hospital of Jiangsu province from January 2015 to December 2017. Patients were divided into two groups according to Glasgow outcome scale (GOS) score at 3 months. Univariate and multivariate analysis were used to identify the association between inflammatory markers and prognosis. Subsequently, we identified the best cutoff of SIRI for unfavorable outcome using receiver operating characteristic (ROC) curve analysis and compared the clinical data between high and low SIRI levels. We further evaluated the additive value of SIRI by comparing prognostic nomogram models with and without it. RESULTS A total of 47 (26.4%) patients had a poor outcome. Multivariate logistic regression analysis showed that SIRI was an independent risk factor of poor outcome. The SIRI of 4.105 × 109/L was identified as the optimal cutoff value, patients with high SIRI levels had worse clinical status and higher rates of unfavorable outcome. ROC analysis showed that a nomogram model combining the SIRI and other conventional factors showed more favorable predictive ability than the model without the SIRI. CONCLUSIONS SIRI was independently correlated with unfavorable outcome in SAH patients, and the nomogram model combining the SIRI had more favorable discrimination ability.
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Affiliation(s)
- Peng Zhang
- Department of Neurosurgery, The Third Hospital of Mianyang, Sichuan Mental Health Center, Mianyang, China
| | - Yuping Li
- Department of Neurosurgery, Clinical Medical College of Yangzhou University, Yangzhou, China
| | - Hengzhu Zhang
- Department of Neurosurgery, Clinical Medical College of Yangzhou University, Yangzhou, China
| | - Xiaodong Wang
- Department of Neurosurgery, Clinical Medical College of Yangzhou University, Yangzhou, China
| | - Lun Dong
- Department of Neurosurgery, Clinical Medical College of Yangzhou University, Yangzhou, China
| | - Zhengcun Yan
- Department of Neurosurgery, Clinical Medical College of Yangzhou University, Yangzhou, China
| | - Lei She
- Department of Neurosurgery, Clinical Medical College of Yangzhou University, Yangzhou, China
| | - Xingdong Wang
- Department of Neurosurgery, Clinical Medical College of Yangzhou University, Yangzhou, China
| | - Min Wei
- Department of Neurosurgery, Clinical Medical College of Yangzhou University, Yangzhou, China
| | - Can Tang
- Department of Neurosurgery, Clinical Medical College of Yangzhou University, Yangzhou, China
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Qin Y, Liu L, Zhao S, Wang W, Han M, Dong S, Miao Y, Zhao S, Tang S, Wu Z, Zhang B, Liu A. Blood inflammatory biomarkers predict in-hospital pneumonia after endovascular treatment of aneurysm in patients with aneurysmal subarachoid hemorrhage. Neurosurg Rev 2023; 46:171. [PMID: 37436536 DOI: 10.1007/s10143-023-02082-5] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/27/2023] [Revised: 06/25/2023] [Accepted: 07/04/2023] [Indexed: 07/13/2023]
Abstract
The systemic inflammatory response index (SIRI) is a well-known marker of systemic inflammation reflecting the body's inflammatory/immune state. The study aimed to evaluate the relationship between the SIRI on admission and aneurysmal subarachnoid hemorrhage (aSAH)-associated pneumonia and compare with other currently used bio-markers. We reviewed 562 successive patients with aneurysmal SAH who underwent endovascular treatment between January 2019 and September 2021. ASAH-associated pneumonia was diagnosed using the modified Centers for Disease Control and Prevention criteria. The SIRI on admission was calculated as monocyte count × neutrophil count / lymphocyte count. Multiple logistic regression models were used for data analysis. A total of 158 (28.11%) patients developed aSAH-associated pneumonia. Using the Multiple logistic regression analysis, a notable dose-response association was found between the elevated SIRI (fourth quartile) and aSAH-associated pneumonia (adjusted odds ratio = 6.759; 95% confidence interval [CI], 3.280-13.930; p < 0.001 [p for trend < 0.001]). The SIRI (0.701, 95% CI: 0.653-0.749) presented a higher area under the curve (AUC) than systemic immune- inflammation index (SII) (0.669, 95% CI: 0.620-0.718) (p = 0.089); neutrophil-to-lymphocyte ratio (NLR) (0.665, 95% CI: 0.616-0.714) (p = 0.035) and platelet-lymphocyte ratio (PLR) (0.587, 95% CI: 0.534-0.641) (p < 0.001). A higher SIRI on admission was associated with aSAH-associated pneumonia, which may guide further clinical trials of prophylactic antibiotic therapy.
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Affiliation(s)
- Yongkai Qin
- Department of Neurosurgery, The Third Xiangya Hospital, Central South University, Changsha, 410011, Hunan, China
| | - Lang Liu
- Department of Neurosurgery, The Third Xiangya Hospital, Central South University, Changsha, 410011, Hunan, China
| | - Shangfeng Zhao
- Department of Neurosurgery, Beijing Tongren Hospital, Capital Medical University, Beijing, 100730, China
| | - Wei Wang
- Department of Neurosurgery, Beijing Tongren Hospital, Capital Medical University, Beijing, 100730, China
| | - Mingyang Han
- Department of Neurosurgery, The Third Xiangya Hospital, Central South University, Changsha, 410011, Hunan, China
| | - Siyuan Dong
- Department of Neurosurgery, The Third Xiangya Hospital, Central South University, Changsha, 410011, Hunan, China
| | - Yan Miao
- Department of Neurology, The Third Xiangya Hospital, Central South University, Changsha, 410011, Hunan, China
| | - Songfeng Zhao
- Department of Neurosurgery, The Third Xiangya Hospital, Central South University, Changsha, 410011, Hunan, China
| | - Shenkun Tang
- Department of Neurosurgery, The Third Xiangya Hospital, Central South University, Changsha, 410011, Hunan, China
| | - Zhongxue Wu
- Beijing Neurosurgical Institute, Beijing Tiantan Hospital, Capital Medical University, Beijing, 100070, China
| | - Baorui Zhang
- Department of Neurosurgery, Beijing Tongren Hospital, Capital Medical University, Beijing, 100730, China.
| | - Aihua Liu
- Beijing Neurosurgical Institute, Beijing Tiantan Hospital, Capital Medical University, Beijing, 100070, China.
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Chai CZ, Ho UC, Kuo LT. Systemic Inflammation after Aneurysmal Subarachnoid Hemorrhage. Int J Mol Sci 2023; 24:10943. [PMID: 37446118 DOI: 10.3390/ijms241310943] [Citation(s) in RCA: 10] [Impact Index Per Article: 10.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/06/2023] [Revised: 06/16/2023] [Accepted: 06/18/2023] [Indexed: 07/15/2023] Open
Abstract
Aneurysmal subarachnoid hemorrhage (aSAH) is one of the most severe neurological disorders, with a high mortality rate and severe disabling functional sequelae. Systemic inflammation following hemorrhagic stroke may play an important role in mediating intracranial and extracranial tissue damage. Previous studies showed that various systemic inflammatory biomarkers might be useful in predicting clinical outcomes. Anti-inflammatory treatment might be a promising therapeutic approach for improving the prognosis of patients with aSAH. This review summarizes the complicated interactions between the nervous system and the immune system.
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Affiliation(s)
- Chang-Zhang Chai
- Department of Medical Education, National Taiwan University, School of Medicine, Taipei 100, Taiwan
| | - Ue-Cheung Ho
- Division of Neurosurgery, Department of Surgery, National Taiwan University Hospital Yunlin Branch, Yunlin 640, Taiwan
| | - Lu-Ting Kuo
- Division of Neurosurgery, Department of Surgery, National Taiwan University Hospital Yunlin Branch, Yunlin 640, Taiwan
- Division of Neurosurgery, Department of Surgery, National Taiwan University Hospital, Taipei 100, Taiwan
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Wang R, Zhang J, He M, Chen H, Xu J. Procalcitonin as a biomarker of nosocomial pneumonia in aneurysmal subarachnoid hemorrhage patients treated in neuro-ICU. Clin Neurol Neurosurg 2023; 231:107870. [PMID: 37421741 DOI: 10.1016/j.clineuro.2023.107870] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/16/2023] [Revised: 06/19/2023] [Accepted: 06/28/2023] [Indexed: 07/10/2023]
Abstract
BACKGROUND Nosocomial pneumonia commonly develops in aneurysmal subarachnoid hemorrhage (aSAH) patients and is associated with poor prognosis of these patients. This study is designed to verify the predictive value of procalcitonin (PCT) on nosocomial pneumonia in aSAH patients. METHODS 298 aSAH patients received treatments in the neuro-intensive care unit (NICU) of West China hospital were included. Logistic regression was conducted to verify the association between PCT level and nosocomial pneumonia and to construct a model for predicting pneumonia. Area under the receiver operating characteristic curve (AUC) were calculated to evaluate the accuracy of the single PCT and the constructed model. RESULTS 90 (30.2%) patients developed pneumonia during hospitalizations among included aSAH patients. Pneumonia group had higher procalcitonin level (p < 0.001) than non-pneumonia group. The mortality (p < 0.001), mRS (p < 0.001), length of ICU stay (p < 0.001), length of hospital stay (p < 0.001) were both higher or longer in pneumonia group. Multivariate logistic regression indicated WFNS (p = 0.001), acute hydrocephalus (p = 0.007), WBC (p = 0.021), PCT (p = 0.046) and C-reactive protein (CRP) (p = 0.031) were independently associated with the development of pneumonia in included patients. The AUC value of procalcitonin for predicting nosocomial pneumonia was 0.764. Composed of WFNS, acute hydrocephalus, WBC, PCT and CRP, the predictive model for pneumonia has higher AUC of 0.811. CONCLUSIONS PCT is an available and effective predictive marker of nosocomial pneumonia in aSAH patients. Composed of WFNS, acute hydrocephalus, WBC, PCT and CRP, our constructed predictive model is helpful for clinicians to evaluate the risk of nosocomial pneumonia and guide therapeutics in aSAH patients.
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Affiliation(s)
- Ruoran Wang
- Department of Neurosurgery, West China Hospital, Sichuan University, Chengdu, Sichuan Province, China
| | - Jing Zhang
- Department of Neurosurgery, West China Hospital, Sichuan University, Chengdu, Sichuan Province, China
| | - Min He
- Department of Critical Care Medicine, West China Hospital, Sichuan University, Chengdu, Sichuan Province, China
| | - Hongxu Chen
- Department of Neurosurgery, West China Hospital, Sichuan University, Chengdu, Sichuan Province, China.
| | - Jianguo Xu
- Department of Neurosurgery, West China Hospital, Sichuan University, Chengdu, Sichuan Province, China.
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Rostgaard N, Olsen MH, Capion T, MacAulay N, Juhler M. Inflammatory Markers as Predictors of Shunt Dependency and Functional Outcome in Patients with Aneurysmal Subarachnoid Hemorrhage. Biomedicines 2023; 11:biomedicines11040997. [PMID: 37189615 DOI: 10.3390/biomedicines11040997] [Citation(s) in RCA: 5] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/24/2023] [Revised: 03/16/2023] [Accepted: 03/20/2023] [Indexed: 03/28/2023] Open
Abstract
The mechanisms underlying post-hemorrhagic hydrocephalus (PHH) development following subarachnoid hemorrhage (SAH) are not fully understood, which complicates informed clinical decisions regarding the duration of external ventricular drain (EVD) treatment and prevents the prediction of shunt-dependency in the individual patient. The aim of this study was to identify potential inflammatory cerebrospinal fluid (CSF) biomarkers of PHH and, thus, shunt-dependency and functional outcome in patients with SAH. This study was a prospective observational study designed to evaluate inflammatory markers in ventricular CSF. In total, 31 Patients with SAH who required an EVD between June 2019 and September 2021 at the Department of Neurosurgery, Rigshospitalet, Copenhagen, Denmark, were included. CSF samples were collected twice from each patient and analyzed for 92 inflammatory markers via proximity extension assay (PEA), and the prognostic ability of the markers was investigated. In total, 12 patients developed PHH, while 19 were weaned from their EVD. Their 6-month functional outcome was determined with the modified Rankin Scale. Of the 92 analyzed inflammatory biomarkers, 79 were identified in the samples. Seven markers (SCF, OPG, LAP TGFβ1, Flt3L, FGF19, CST5, and CSF1) were found to be predictors of shunt dependency, and four markers (TNFα, CXCL5, CCL20, and IL8) were found to be predictors of functional outcome. In this study, we identified promising inflammatory biomarkers that are able to predict (i) the functional outcome in patients with SAH and (ii) the development of PHH and, thus, the shunt dependency of the individual patients. These inflammatory markers may have the potential to be employed as predictive biomarkers of shunt dependency and functional outcome following SAH and could, as such, be applied in the clinic.
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Dynamics of immune responses are inconsistent when trauma patients are grouped by injury severity score and clinical outcomes. Sci Rep 2023; 13:1391. [PMID: 36697474 PMCID: PMC9876923 DOI: 10.1038/s41598-023-27969-7] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/18/2022] [Accepted: 01/10/2023] [Indexed: 01/27/2023] Open
Abstract
The injury severity score (ISS) is used in daily practice to evaluate the severity of trauma patients; however, the score is not always consistent with the prognosis. After injury, systemic inflammatory response syndrome (SIRS) and compensatory anti-inflammatory response syndrome (CARS) are related to the prognosis of trauma patients. We aimed to evaluate the associations between the immune response and prognosis in trauma patients. Patients who admitted to the Trauma Intensive Care Unit (ICU) were eligible. Whole blood samples were collected at admission, and then 6, 12, 24, 48 and 72 h after admission. Natural killer (NK) cells, lymphocyte subset population and cytokines release were identified using flow cytometry. We grouped patients by their ISS (≤ 25 and > 25 as very severe injury) and ICU stay (≤ 10 days as a short ICU stay and > 10 days as a long ICU stay) for evaluation. Fifty-three patients were enrolled. ICU stay but not ISS was close correlated with activity daily living (ADL) at discharge. Patients with a long ICU stay had an immediate increase in NK cells followed by lymphopenia which persisted for 48 h. Immediate activation of CD8+ T cells and then exhaustion with a higher programmed cell death-1 (PD-1) expression and suppression of CD4+ T cells with a shift to an anti-inflammatory Th2 phenotype were also observed in the patients with a long ICU stay. When the patients were grouped by ISS, the dynamics of immune responses were inconsistent to those when the patients were grouped by ICU stay. Immune responses are associated with the prognosis of trauma patients, however the currently used clinical parameters may not accurately reflect immune responses. Further investigations are needed to identify accurate predictors of prognosis in trauma patients.
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Hou Y, Fan J, Yuan H, Zheng H, Yang H, Li H, Chen R, Yu J. Prognostic capacity of the systemic inflammation response index for functional outcome in patients with aneurysmal subarachnoid hemorrhage. Front Neurol 2023; 14:1054315. [PMID: 36937535 PMCID: PMC10017774 DOI: 10.3389/fneur.2023.1054315] [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: 09/26/2022] [Accepted: 02/08/2023] [Indexed: 03/06/2023] Open
Abstract
Objective We aimed to investigate the relationship between systemic inflammatory response index (SIRI) and functional outcome after aneurysmal subarachnoid hemorrhage (aSAH). Methods A retrospective cohort study was performed involving all consecutive aSAH patients admitted to our institution. The modified Rankin Scale (mRS) score was performed to determine the functional outcomes of all patients at 3 months after aSAH. Results were categorized as favorable (mRS score 0-2) and unfavorable (mRS score 3-6). Univariate and multivariate logistic regressive analyses were utilized to identify the prognostic significance of SIRI. To minimize the effects of confounding factors, patients were stratified according to the optimal cut-off value of SIRI with propensity score matching (PSM). Further subgroup analysis was conducted to verify the consistency of our findings and Pearson's correlation analysis was used to assess the relationship between SIRI and the severity of aSAH. Results In this study, 350 patients were enrolled and 126 (36.0%) of them suffered unfavorable outcomes. The SIRI of 5.36 × 109/L was identified as the optimal cut-off value. Two score-matched cohorts (n = 100 in each group) obtained from PSM with low SIRI and high SIRI were used for analysis. A significantly higher unfavorable functional outcome rate was observed in patients with high SIRI before and after PSM (p < 0.001 and 0.017, respectively). Multivariate logistic regression analysis demonstrated that SIRI value ≥ 5.36 × 109/L was an independent risk factor for poor outcomes (OR 3.05 95% CI 1.37-6.78, p = 0.006) after adjusting for possible confounders. A identical result was discovered in the PSM cohort. In ROC analysis, the area under the curve (AUC) of SIRI was 0.774 which shown a better predictive value than other inflammatory markers observed in previous similar studies. Pearson's correlation analysis proved the positive association between SIRI and aSAH severity. Conclusions Elevated SIRI at admission is associated with worse clinical status and poorer functional outcomes among patients with aSAH. SIRI is a useful inflammatory marker with prognostic value for functional outcomes after aSAH.
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Affiliation(s)
- Yuyang Hou
- Department of Neurosurgery, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, Hubei, China
| | - Jingxin Fan
- Department of Neurosurgery, Hubei Provincial Hospital of Integrated Traditional Chinese and Western Medicine, Wuhan, Hubei, China
| | - Huisheng Yuan
- Department of Neurosurgery, Hubei Provincial Hospital of Integrated Traditional Chinese and Western Medicine, Wuhan, Hubei, China
| | - Hu Zheng
- Department of Neurosurgery, Hubei Provincial Hospital of Integrated Traditional Chinese and Western Medicine, Wuhan, Hubei, China
| | - Hongkuan Yang
- Department of Neurosurgery, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, Hubei, China
| | - Hua Li
- Department of Neurosurgery, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, Hubei, China
| | - Rudong Chen
- Department of Neurosurgery, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, Hubei, China
- *Correspondence: Rudong Chen
| | - Jiasheng Yu
- Department of Neurosurgery, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, Hubei, China
- Jiasheng Yu
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Use of A Systemic Inflammatory Response Index to Predict Non-Traumatic Non-Aneurysmal Subarachnoid Hemorrhage Patient Outcomes. J Stroke Cerebrovasc Dis 2022; 31:106863. [DOI: 10.1016/j.jstrokecerebrovasdis.2022.106863] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/31/2022] [Revised: 10/10/2022] [Accepted: 10/24/2022] [Indexed: 11/21/2022] Open
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Li R, Lin F, Chen Y, Lu J, Han H, Yan D, Li R, Yang J, Li Z, Zhang H, Yuan K, Jin Y, Hao Q, Li H, Zhang L, Shi G, Zhou J, Zhao Y, Zhang Y, Li Y, Wang S, Chen X, Zhao Y. In-hospital complication-related risk factors for discharge and 90-day outcomes in patients with aneurysmal subarachnoid hemorrhage after surgical clipping and endovascular coiling: a propensity score-matched analysis. J Neurosurg 2022; 137:381-392. [PMID: 34972088 DOI: 10.3171/2021.10.jns211484] [Citation(s) in RCA: 13] [Impact Index Per Article: 6.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/16/2021] [Accepted: 10/06/2021] [Indexed: 11/06/2022]
Abstract
OBJECTIVE More than 10 years have passed since the two best-known clinical trials of ruptured aneurysms (International Subarachnoid Aneurysm Trial [ISAT] and Barrow Ruptured Aneurysm Trial [BRAT]) indicated that endovascular coiling (EC) was superior to surgical clipping (SC). However, in recent years, the development of surgical techniques has greatly improved; thus, it is necessary to reanalyze the impact of the differences in treatment modalities on the prognosis of patients with aneurysmal subarachnoid hemorrhage (aSAH). METHODS The authors retrospectively reviewed all aSAH patients admitted to their institution between January 2015 and December 2020. The functional outcomes at discharge and 90 days after discharge were assessed using the modified Rankin Scale (mRS). In-hospital complications, hospital charges, and risk factors derived from multivariate logistic regression were analyzed in the SC and EC groups after 1:1 propensity score matching (PSM). The area under the receiver operating characteristic curve was used to calculate each independent predictor's prediction ability between treatment groups. RESULTS A total of 844 aSAH patients were included. After PSM to control for sex, aneurysm location, Hunt and Hess grade, World Federation of Neurosurgical Societies (WFNS) grade, modified Fisher Scale grade, and current smoking and alcohol abuse status, 329 patients who underwent SC were compared with 329 patients who underwent EC. Patients who underwent SC had higher incidences of unfavorable discharge and 90-day outcomes (46.5% vs 33.1%, p < 0.001; and 19.6% vs 13.8%, p = 0.046, respectively), delayed cerebral ischemia (DCI) (31.3% vs 20.1%, p = 0.001), intracranial infection (20.1% vs 1.2%, p < 0.001), anemia (42.2% vs 17.6%, p < 0.001), hypoproteinemia (46.2% vs 21.6%, p < 0.001), and pneumonia (33.4% vs 24.9%, p = 0.016); but a lower incidence of urinary tract infection (1.2% vs 5.2%, p = 0.004) and lower median hospital charges ($12,285 [IQR $10,399-$15,569] vs $23,656 [IQR $18,816-$30,025], p < 0.001). A positive correlation between the number of in-hospital complications and total hospital charges was indicated in the SC (r = 0.498, p < 0.001) and EC (r = 0.411, p < 0.001) groups. The occurrence of pneumonia and DCI, WFNS grade IV or V, and age were common independent risk factors for unfavorable outcomes at discharge and 90 days after discharge in both treatment modalities. CONCLUSIONS EC shows advantages in discharge and 90-day outcomes, in-hospital complications, and the number of risk factors but increases the economic cost on patients during their hospital stay. Severe in-hospital complications such as pneumonia and DCI may have a long-lasting impact on the prognosis of patients.
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Affiliation(s)
- Runting Li
- 1Department of Neurosurgery, Beijing Tiantan Hospital, Capital Medical University, Beijing, China
| | - Fa Lin
- 1Department of Neurosurgery, Beijing Tiantan Hospital, Capital Medical University, Beijing, China
| | - Yu Chen
- 1Department of Neurosurgery, Beijing Tiantan Hospital, Capital Medical University, Beijing, China
| | - Junlin Lu
- 1Department of Neurosurgery, Beijing Tiantan Hospital, Capital Medical University, Beijing, China
| | - Heze Han
- 1Department of Neurosurgery, Beijing Tiantan Hospital, Capital Medical University, Beijing, China
| | - Debin Yan
- 1Department of Neurosurgery, Beijing Tiantan Hospital, Capital Medical University, Beijing, China
| | - Ruinan Li
- 1Department of Neurosurgery, Beijing Tiantan Hospital, Capital Medical University, Beijing, China
| | - Jun Yang
- 1Department of Neurosurgery, Beijing Tiantan Hospital, Capital Medical University, Beijing, China
| | - Zhipeng Li
- 1Department of Neurosurgery, Beijing Tiantan Hospital, Capital Medical University, Beijing, China
| | - Haibin Zhang
- 1Department of Neurosurgery, Beijing Tiantan Hospital, Capital Medical University, Beijing, China
| | - Kexin Yuan
- 1Department of Neurosurgery, Beijing Tiantan Hospital, Capital Medical University, Beijing, China
| | - Yongchen Jin
- 1Department of Neurosurgery, Beijing Tiantan Hospital, Capital Medical University, Beijing, China
| | - Qiang Hao
- 1Department of Neurosurgery, Beijing Tiantan Hospital, Capital Medical University, Beijing, China
| | - Hongliang Li
- 2Department of Critical Care Medicine, Beijing Tiantan Hospital, Capital Medical University, Beijing, China
| | - Linlin Zhang
- 2Department of Critical Care Medicine, Beijing Tiantan Hospital, Capital Medical University, Beijing, China
| | - Guangzhi Shi
- 2Department of Critical Care Medicine, Beijing Tiantan Hospital, Capital Medical University, Beijing, China
| | - Jianxin Zhou
- 2Department of Critical Care Medicine, Beijing Tiantan Hospital, Capital Medical University, Beijing, China
| | - Yang Zhao
- 3Department of Neurosurgery, Peking University International Hospital, Beijing, China
| | - Yukun Zhang
- 3Department of Neurosurgery, Peking University International Hospital, Beijing, China
| | - Youxiang Li
- 4Department of Interventional Neuroradiology, Beijing Tiantan Hospital, Capital Medical University, Beijing, China; and
| | - Shuo Wang
- 1Department of Neurosurgery, Beijing Tiantan Hospital, Capital Medical University, Beijing, China
- 5China National Clinical Research Center for Neurological Diseases, Beijing, China
| | - Xiaolin Chen
- 1Department of Neurosurgery, Beijing Tiantan Hospital, Capital Medical University, Beijing, China
| | - Yuanli Zhao
- 1Department of Neurosurgery, Beijing Tiantan Hospital, Capital Medical University, Beijing, China
- 3Department of Neurosurgery, Peking University International Hospital, Beijing, China
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Wang R, Zhang J, He M, Xu J. A novel risk score for predicting hospital acquired pneumonia in aneurysmal subarachnoid hemorrhage patients. Int Immunopharmacol 2022; 108:108845. [DOI: 10.1016/j.intimp.2022.108845] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/02/2022] [Revised: 05/04/2022] [Accepted: 05/05/2022] [Indexed: 11/05/2022]
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Zhang X, Zhang S, Wang C, Liu R, Li A. High Neutrophil-to-Albumin Ratio Predicts Postoperative Pneumonia in Aneurysmal Subarachnoid Hemorrhage. Front Neurol 2022; 13:840858. [PMID: 35463142 PMCID: PMC9021997 DOI: 10.3389/fneur.2022.840858] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/04/2022] [Accepted: 03/14/2022] [Indexed: 11/13/2022] Open
Abstract
Background and AimThere is still an absence of objective and easily accessible biomarkers despite the variety of risk factors associated with postoperative pneumonia (POP) in patients with aneurysmal subarachnoid hemorrhage (aSAH). In the present study, we have thus evaluated the relationship between the neutrophil-to-albumin ratio (NAR) and POP in patients with aSAH.MethodsSeveral consecutive patients (n = 395) who had undergone clipping or coiling of the aneurism were retrospectively assessed, of which we were able to analyze the existing population data and the related baseline variables. The patients were divided into POP and revealed not to occur. To identify independent predictors, we used the recipient operation feature (receiver operating characteristic, ROC) curve and a logic regression analysis.ResultsThis cohort was based on POP that occurred in 78 out of the 395 patients (19.7%), and these revealed a significantly higher NAR than those without (0.31 [0.25–0.39] vs. 0.23 [0.18–0.28]; p < 0.001). On the other hand, a multivariate logistic regression analysis showed that NAR (odds ratio = 1.907; 95% confidence interval, 1.232–2.953; p = 0.004) was independently associated with a POP after due adjustment for confounders. Moreover, the predictive performances of NAR for POP were also significant (area under the ROC curve [95% CI] 0.775 [0.717–0.832]; p < 0.001).ConclusionThe elevation of NAR at admission in patients with aSAH might help predict POP.
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Affiliation(s)
- Xin Zhang
- Lianyungang Clinical College, Nanjing Medical University, Lianyungang, China
| | - Sheng Zhang
- Qingpu Branch, Zhongshan Hospital Affiliated to Fudan University, Shanghai, China
| | - Congkai Wang
- Lianyungang Clinical College, Nanjing Medical University, Lianyungang, China
| | - Ran Liu
- The First Affiliated Hospital, Nanchang University, Nanchang, China
| | - Aimin Li
- Lianyungang Clinical College, Nanjing Medical University, Lianyungang, China
- *Correspondence: Aimin Li
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PHOSPHATASE ALKALINE LEVELS ARE NOT ASSOCIATED WITH POOR OUTCOMES IN SUBARACHNOID HEMORRHAGE PATIENTS. Clin Neurol Neurosurg 2022; 215:107185. [DOI: 10.1016/j.clineuro.2022.107185] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/21/2022] [Revised: 02/21/2022] [Accepted: 02/22/2022] [Indexed: 11/17/2022]
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Ground truth labels challenge the validity of sepsis consensus definitions in critical illness. J Transl Med 2022; 20:27. [PMID: 35033120 PMCID: PMC8760797 DOI: 10.1186/s12967-022-03228-7] [Citation(s) in RCA: 6] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/16/2021] [Accepted: 12/31/2021] [Indexed: 12/24/2022] Open
Abstract
BACKGROUND Sepsis is the leading cause of death in the intensive care unit (ICU). Expediting its diagnosis, largely determined by clinical assessment, improves survival. Predictive and explanatory modelling of sepsis in the critically ill commonly bases both outcome definition and predictions on clinical criteria for consensus definitions of sepsis, leading to circularity. As a remedy, we collected ground truth labels for sepsis. METHODS In the Ground Truth for Sepsis Questionnaire (GTSQ), senior attending physicians in the ICU documented daily their opinion on each patient's condition regarding sepsis as a five-category working diagnosis and nine related items. Working diagnosis groups were described and compared and their SOFA-scores analyzed with a generalized linear mixed model. Agreement and discriminatory performance measures for clinical criteria of sepsis and GTSQ labels as reference class were derived. RESULTS We analyzed 7291 questionnaires and 761 complete encounters from the first survey year. Editing rates for all items were > 90%, and responses were consistent with current understanding of critical illness pathophysiology, including sepsis pathogenesis. Interrater agreement for presence and absence of sepsis was almost perfect but only slight for suspected infection. ICU mortality was 19.5% in encounters with SIRS as the "worst" working diagnosis compared to 5.9% with sepsis and 5.9% with severe sepsis without differences in admission and maximum SOFA. Compared to sepsis, proportions of GTSQs with SIRS plus acute organ dysfunction were equal and macrocirculatory abnormalities higher (p < 0.0001). SIRS proportionally ranked above sepsis in daily assessment of illness severity (p < 0.0001). Separate analyses of neurosurgical referrals revealed similar differences. Discriminatory performance of Sepsis-1/2 and Sepsis-3 compared to GTSQ labels was similar with sensitivities around 70% and specificities 92%. Essentially no difference between the prevalence of SIRS and SOFA ≥ 2 yielded sensitivities and specificities for detecting sepsis onset close to 55% and 83%, respectively. CONCLUSIONS GTSQ labels are a valid measure of sepsis in the ICU. They reveal suspicion of infection as an unclear clinical concept and refute an illness severity hierarchy in the SIRS-sepsis-severe sepsis spectrum. Ground truth challenges the accuracy of Sepsis-1/2 and Sepsis-3 in detecting sepsis onset. It is an indispensable intermediate step towards advancing diagnosis and therapy in the ICU and, potentially, other health care settings.
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Shi JQ, Huan X, Lv ZG, Zhou ZR, Wu ST, Zhong HH, Yan C, Song J, Zhou L, Xu YF, Lin J, Zhu WH, Xi JY, Luo SS, Zhao CB. Pneumonia and systemic inflammatory response syndrome as predictors for difficult-/prolonged-weaning after invasive ventilation in myasthenic crisis: A retrospective analysis of a Chinese cohort. Neuromuscul Disord 2021; 32:220-229. [DOI: 10.1016/j.nmd.2021.12.001] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/24/2021] [Revised: 11/29/2021] [Accepted: 12/03/2021] [Indexed: 10/19/2022]
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Hasegawa Y, Uchikawa H, Kajiwara S, Morioka M. Central sympathetic nerve activation in subarachnoid hemorrhage. J Neurochem 2021; 160:34-50. [PMID: 34525222 DOI: 10.1111/jnc.15511] [Citation(s) in RCA: 17] [Impact Index Per Article: 5.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/26/2021] [Revised: 09/04/2021] [Accepted: 09/07/2021] [Indexed: 12/12/2022]
Abstract
Subarachnoid hemorrhage (SAH) is a life-threatening condition, and although its two main complications-cerebral vasospasm (CVS)/delayed cerebral ischemia (DCI) and early brain injury (EBI)-have been widely studied, prognosis has not improved over time. The sympathetic nerve (SN) system is important for the regulation of cardiovascular function and is closely associated with cerebral vessels and the regulation of cerebral blood flow and cerebrovascular function; thus, excessive SN activation leads to a rapid breakdown of homeostasis in the brain. In the hyperacute phase, patients with SAH can experience possibly lethal conditions that are thought to be associated with SN activation (catecholamine surge)-related arrhythmia, neurogenic pulmonary edema, and irreversible injury to the hypothalamus and brainstem. Although the role of the SN system in SAH has long been investigated and considerable evidence has been collected, the exact pathophysiology remains undetermined, mainly because the relationships between the SN system and SAH are complicated, and many SN-modulating factors are involved. Thus, research concerning these relationships needs to explore novel findings that correlate with the relevant concepts based on past reliable evidence. Here, we explore the role of the central SN (CSN) system in SAH pathophysiology and provide a comprehensive review of the functional CSN network; brain injury in hyperacute phase involving the CSN system; pathophysiological overlap between the CSN system and the two major SAH complications, CVS/DCI and EBI; CSN-modulating factors; and SAH-related extracerebral organ injury. Further studies are warranted to determine the specific roles of the CSN system in the brain injuries associated with SAH.
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Affiliation(s)
- Yu Hasegawa
- Department of Pharmaceutical Science, School of Pharmacy at Fukuoka, International University of Health and Welfare, Okawa, Fukuoka, Japan.,Department of Neurosurgery, Kurume University School of Medicine, Kurume, Fukuoka, Japan
| | - Hiroki Uchikawa
- Department of Neurosurgery, Kumamoto University School of Medicine, Kumamoto, Kumamoto, Japan
| | - Sosho Kajiwara
- Department of Neurosurgery, Kurume University School of Medicine, Kurume, Fukuoka, Japan
| | - Motohiro Morioka
- Department of Neurosurgery, Kurume University School of Medicine, Kurume, Fukuoka, Japan
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Ding C, Hu T. Development and External Verification of a Nomogram for Patients with Persistent Acute Kidney Injury in the Intensive Care Unit. Int J Gen Med 2021; 14:5005-5015. [PMID: 34511984 PMCID: PMC8412828 DOI: 10.2147/ijgm.s325904] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/25/2021] [Accepted: 08/12/2021] [Indexed: 12/25/2022] Open
Abstract
Background We aimed to identify the affecting features of persistent acute kidney injury (pAKI) for patients in intensive care units (ICU). Methods The Medical Information Mart for Intensive Care IV (MIMIC-IV) database and eICU Collaborative Research Database (eICU-CRD) were used to identify AKI patients with and without duration of more than 48 hours. Least absolute shrinkage and selection operator (LASSO) regression and support vector machine (SVM-RFE) were utilized to screen for the significant clinical indexes associated with pAKI. Predictive nomogram was created based on the above informative parameters to predict the probability of pAKI. Results LASSO regression and SVM-RFE revealed that serum albumin, chronic kidney disease, AKI stage, sequential organ failure assessment score, lactate and renal replacement therapy during the first day were significantly associated with pAKI in the training cohort. The predictive nomogram based on the six predictors exhibited good predictive performance as calculated by C-index 0.730 (95% CI 0.710-0.749) in the training group, 0.702 (95% CI 0.672-0.722) in the internal validation set and 0.704 (0.677-0.731) in the external validation cohort for the prediction of pAKI. Moreover, the predictive nomogram exhibited not only encouraging calibration ability, but also great clinical utility in the training group, in the internal validation group as well as in the external validation cohort. Conclusion Serum albumin, CKD, AKI stage, SOFA score, lactate, RRT during the first day were closely associated with pAKI in patients in ICU. The predictive nomogram for pAKI manifested good predictive ability for the identification of ICU patients with pAKI.
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Affiliation(s)
- Chao Ding
- Department of Hematology, Suining Central Hospital, An Affiliated Hospital of Chongqing Medical University, Suining, Sichuan Province, People's Republic of China
| | - Tianyang Hu
- Department of Cardiology, The Second Affiliated Hospital of Chongqing Medical University, Chongqing, People's Republic of China
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Cai L, Zeng H, Tan X, Wu X, Qian C, Chen G. The Role of the Blood Neutrophil-to-Lymphocyte Ratio in Aneurysmal Subarachnoid Hemorrhage. Front Neurol 2021; 12:671098. [PMID: 34149601 PMCID: PMC8209292 DOI: 10.3389/fneur.2021.671098] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/23/2021] [Accepted: 04/13/2021] [Indexed: 12/18/2022] Open
Abstract
Aneurysmal subarachnoid hemorrhage (aSAH) is an important type of stroke with the highest rates of mortality and disability. Recent evidence indicates that neuroinflammation plays a critical role in both early brain injury and delayed neural deterioration after aSAH, contributing to unfavorable outcomes. The neutrophil-to-lymphocyte ratio (NLR) is a peripheral biomarker that conveys information about the inflammatory burden in terms of both innate and adaptive immunity. This review summarizes relevant studies that associate the NLR with aSAH to evaluate whether the NLR can predict outcomes and serve as an effective biomarker for clinical management. We found that increased NLR is valuable in predicting the clinical outcome of aSAH patients and is related to the risk of complications such as delayed cerebral ischemia (DCI) or rebleeding. Combined with other indicators, the NLR provides improved accuracy for predicting prognosis to stratify patients into different risk categories. The underlying pathophysiology is highlighted to identify new potential targets for neuroprotection and to develop novel therapeutic strategies.
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Affiliation(s)
- Lingxin Cai
- Department of Neurological Surgery, The Second Affiliated Hospital of Zhejiang University School of Medicine, Hangzhou, China
| | - Hanhai Zeng
- Department of Neurological Surgery, The Second Affiliated Hospital of Zhejiang University School of Medicine, Hangzhou, China
| | - Xiaoxiao Tan
- Department of Neurological Surgery, The Second Affiliated Hospital of Zhejiang University School of Medicine, Hangzhou, China
| | - Xinyan Wu
- Department of Neurological Surgery, The Second Affiliated Hospital of Zhejiang University School of Medicine, Hangzhou, China
| | - Cong Qian
- Department of Neurological Surgery, The Second Affiliated Hospital of Zhejiang University School of Medicine, Hangzhou, China
| | - Gao Chen
- Department of Neurological Surgery, The Second Affiliated Hospital of Zhejiang University School of Medicine, Hangzhou, China
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Hu Y, Zhou J, Cao Q, Wang H, Yang Y, Xiong Y, Zhou Q. Utilization of Echocardiography After Acute Kidney Injury Was Associated with Improved Outcomes in Patients in Intensive Care Unit. Int J Gen Med 2021; 14:2205-2213. [PMID: 34113152 PMCID: PMC8183456 DOI: 10.2147/ijgm.s310445] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/10/2021] [Accepted: 04/30/2021] [Indexed: 12/13/2022] Open
Abstract
Background We aimed to investigate the association between usage of transthoracic echocardiography (TTE) within 24 hours after acute kidney injury (AKI) and the prognosis of patients in intensive care unit (ICU). Methods The Medical Information Mart for Intensive Care III (MIMIC-III) database was used to identify AKI patients with and without TTE administration. The primary outcome was 28-day mortality. Multivariable regression was used to clarify the association between TTE and clinical outcomes and propensity score matching (PSM) and inverse probability of treatment weighting (IPTW) were utilized to validate our findings. Results Among 23,945 eligible AKI patients, 3361 patients who received TTE and 3361 who did not conduct TTE had similar propensity scores which were included in this study. After matching, the TTE group had a significantly lower 28-day mortality (OR 0.80, 95% CI 0.72–0.88, P<0.001). Patients in the TTE group received more fluid on day 1 and day 2 and had a more urine volume on day 1 and day 3, and the reduction in serum creatinine was greater than that in the no TTE group. The mediating effect of creatinine reduction was remarkable for the whole cohort (P=0.02 for the average causal mediation effect). Conclusion TTE utilization was associated with decreased risk-adjusted 28-day mortality for AKI patients in ICU and was proportionally mediated through creatinine reduction.
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Affiliation(s)
- Yugang Hu
- Department of Ultrasound Imaging, Renmin Hospital of Wuhan University, Wuhan, 430061, People's Republic of China
| | - Jia Zhou
- Department of Ultrasound Imaging, Renmin Hospital of Wuhan University, Wuhan, 430061, People's Republic of China
| | - Quan Cao
- Department of Ultrasound Imaging, Renmin Hospital of Wuhan University, Wuhan, 430061, People's Republic of China
| | - Hao Wang
- Department of Ultrasound Imaging, Renmin Hospital of Wuhan University, Wuhan, 430061, People's Republic of China
| | - Yuanting Yang
- Department of Ultrasound Imaging, Renmin Hospital of Wuhan University, Wuhan, 430061, People's Republic of China
| | - Ye Xiong
- Department of Ultrasound Imaging, Renmin Hospital of Wuhan University, Wuhan, 430061, People's Republic of China
| | - Qing Zhou
- Department of Ultrasound Imaging, Renmin Hospital of Wuhan University, Wuhan, 430061, People's Republic of China
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25
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Yun S, Yi HJ, Lee DH, Sung JH. Systemic Inflammation Response Index and Systemic Immune-inflammation Index for Predicting the Prognosis of Patients with Aneurysmal Subarachnoid Hemorrhage. J Stroke Cerebrovasc Dis 2021; 30:105861. [PMID: 34034125 DOI: 10.1016/j.jstrokecerebrovasdis.2021.105861] [Citation(s) in RCA: 50] [Impact Index Per Article: 16.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/12/2021] [Accepted: 04/28/2021] [Indexed: 12/24/2022] Open
Abstract
OBJECTIVES Inflammatory response plays a pivotal role in the progress of aneurysmal subarachnoid hemorrhage (aSAH). As novel inflammatory markers, systemic inflammation response index (SIRI) and systemic immune-inflammation (SII) index could reflect clinical outcomes of patients with various diseases. The aim of this study was to ascertain whether initial SIRI and SII index were associated with prognosis of aSAH patients. METHODS A total of 680 patients with aSAH were enrolled. Their prognosis was evaluated with modified Rankin Scale (mRS) at 3 months, and unfavorable clinical outcome was defined as mRS score of 3-6. Receiver operating characteristic (ROC) curve analysis was performed to identify cutoff values of SIRI and SII index for predicting clinical outcomes. Univariate and multivariate regression analyses were performed to explore relationships of SIRI and SII index with prognosis of patients. RESULTS Optimal cutoff values of SIRI and SII index to discriminate between favorable and unfavorable clinical outcomes were 3.2 × 109/L and 960 × 109/L, respectively (P < 0.001 and 0.004, respectively). In multivariate analysis, SIRI value ≥ 3.2 × 109/L (odds ratio [OR]: 1.82, 95% CI: 1.46-3.24; P = 0.021) and SII index value ≥ 960 × 109/L (OR: 1.68, 95% CI: 1.24-2.74; P = 0.040) were independent predicting factors for poor prognosis after aSAH. CONCLUSIONS SIRI and SII index values are associated with clinical outcomes of patients with aSAH. Elevated SIRI and SII index could be independent predicting factors for a poor prognosis after aSAH.
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Affiliation(s)
- Seonyong Yun
- Department of Neurosurgery, Bucheon St. Mary's Hospital, College of Medicine, The Catholic University of Korea, Bucheon, Republic of Korea
| | - Ho Jun Yi
- Department of Neurosurgery, Soonchunhyang University Bucheon Hospital, Bucheon, Republic of Korea.
| | - Dong Hoon Lee
- Department of Neurosurgery, St. Vincent's Hospital, College of Medicine, The Catholic University of Korea, Suwon, Republic of Korea
| | - Jae Hoon Sung
- Department of Neurosurgery, St. Vincent's Hospital, College of Medicine, The Catholic University of Korea, Suwon, Republic of Korea
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26
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Hanhai Z, Bin Q, Shengjun Z, Jingbo L, Yinghan G, Lingxin C, Shenglong C, Hang Z, Huaijun C, Jianfeng Z, Yucong P, Xiongjie F, Xiaobo Y, Xiaoxiao T, Jianru L, Chi G, Feng Y, Gao C. Neutrophil extracellular traps, released from neutrophil, promote microglia inflammation and contribute to poor outcome in subarachnoid hemorrhage. Aging (Albany NY) 2021; 13:13108-13123. [PMID: 33971624 PMCID: PMC8148446 DOI: 10.18632/aging.202993] [Citation(s) in RCA: 20] [Impact Index Per Article: 6.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/19/2021] [Accepted: 04/05/2021] [Indexed: 02/07/2023]
Abstract
Evidence indicates that neutrophil has promoted inflammation in several central nervous system diseases. However, whether the peripheral blood levels of neutrophils are associated with the functional outcome after subarachnoid hemorrhage and its potential mechanism remain unclear. In this study, we showed that neutrophil levels in peripheral blood were higher in patients with subarachnoid hemorrhage (P < 0.001) than in healthy subjects. Neutrophil levels were positively associated with Hunt and Hess grade (P < 0.001) and modified Rankin Scale scores at 3 months after SAH (P = 0.008). In terms of the mechanism, neutrophil extracellular traps markedly increased the proinflammatory subtype transition of microglia. After treatment with DNAse I, the proinflammatory subtype transition of microglia involving CD16 positive and IL-1β positive microglia was limited (P < 0.05). This mechanism was also verified in vitro. These results indicate that the existence of neutrophil extracellular traps, released from neutrophils after subarachnoid hemorrhage, can shift microglia toward a more proinflammatory phenotype and contribute to neuroinflammation and poor outcome in subarachnoid hemorrhage.
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Affiliation(s)
- Zeng Hanhai
- Department of Neurological Surgery, The Second Affiliated Hospital, Zhejiang University School of Medicine, Hangzhou, China
| | - Qin Bin
- Department of Neurological Surgery, The Second Affiliated Hospital, Zhejiang University School of Medicine, Hangzhou, China
| | - Zhou Shengjun
- Department of Neurological Surgery, The Second Affiliated Hospital, Zhejiang University School of Medicine, Hangzhou, China.,Department of Neurological Surgery, Ningbo First Hospital, Ningbo, China
| | - Li Jingbo
- Department of Neurological Surgery, The Second Affiliated Hospital, Zhejiang University School of Medicine, Hangzhou, China.,Neurosurgerical Intensive Care Unit, The Second Affiliated Hospital of Zhejiang University School of Medicine, Hangzhou, China
| | - Guo Yinghan
- Department of Neurological Surgery, The Second Affiliated Hospital, Zhejiang University School of Medicine, Hangzhou, China
| | - Cai Lingxin
- Department of Neurological Surgery, The Second Affiliated Hospital, Zhejiang University School of Medicine, Hangzhou, China
| | - Cao Shenglong
- Department of Neurological Surgery, The Second Affiliated Hospital, Zhejiang University School of Medicine, Hangzhou, China
| | - Zhou Hang
- Department of Neurological Surgery, The Second Affiliated Hospital, Zhejiang University School of Medicine, Hangzhou, China
| | - Chen Huaijun
- Department of Neurological Surgery, The Second Affiliated Hospital, Zhejiang University School of Medicine, Hangzhou, China
| | - Zhuang Jianfeng
- Department of Neurological Surgery, The Second Affiliated Hospital, Zhejiang University School of Medicine, Hangzhou, China
| | - Peng Yucong
- Department of Neurological Surgery, The Second Affiliated Hospital, Zhejiang University School of Medicine, Hangzhou, China
| | - Fu Xiongjie
- Department of Neurological Surgery, The Second Affiliated Hospital, Zhejiang University School of Medicine, Hangzhou, China
| | - Yu Xiaobo
- Department of Neurological Surgery, The Second Affiliated Hospital, Zhejiang University School of Medicine, Hangzhou, China
| | - Tan Xiaoxiao
- Department of Neurological Surgery, The Second Affiliated Hospital, Zhejiang University School of Medicine, Hangzhou, China
| | - Li Jianru
- Department of Neurological Surgery, The Second Affiliated Hospital, Zhejiang University School of Medicine, Hangzhou, China
| | - Gu Chi
- Department of Neurological Surgery, The Second Affiliated Hospital, Zhejiang University School of Medicine, Hangzhou, China
| | - Yan Feng
- Department of Neurological Surgery, The Second Affiliated Hospital, Zhejiang University School of Medicine, Hangzhou, China
| | - Chen Gao
- Department of Neurological Surgery, The Second Affiliated Hospital, Zhejiang University School of Medicine, Hangzhou, China
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27
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Association of Early White Blood Cell Trend with Outcomes in Aneurysmal Subarachnoid Hemorrhage. World Neurosurg 2021; 151:e803-e809. [PMID: 33964501 DOI: 10.1016/j.wneu.2021.04.124] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/09/2020] [Revised: 04/26/2021] [Accepted: 04/27/2021] [Indexed: 02/08/2023]
Abstract
BACKGROUND An increasing white blood cell (WBC) count in early course of aneurysmal subarachnoid hemorrhage (SAH) can indicate a systemic inflammatory state triggered by the initial insult. We sought to determine the significance of the early WBC trend as a potential predictor of outcomes. METHODS We analyzed a cohort of consecutive patients with aneurysmal SAH. The WBC values in first 5 days of admission, plus relevant clinical and imaging data, and modified Rankin Scale (mRS) at 3 months after hospital discharge were retrieved and analyzed. Favorable outcome was defined as mRS 0-3. The association between WBC counts and outcomes including mRS and delayed cerebral ischemia (DCI) was determined using binary logistic regression models. We used receiver operating characteristic curve analysis to assess accuracy of WBC in predicting outcomes. RESULTS We included 167 patients in final analysis. Mean age was 56.4 (standard deviation [SD] 14.8) years, and 65% (109) of patients were female. Peak WBC was greater in patients with poor functional outcome (mean 17 × 109 cells/L, SD 6.4 vs. 13.5 × 109 cells/L SD 4.7). Combining peak WBC with modified Fisher scale slightly increased accuracy in predicting DCI (area under the curve 0.670, 95% confidence interval 0.586-0.755) compared with each component alone. CONCLUSIONS WBC count in the early course of SAH may have prognostic values in predicting DCI and functional outcome. WBC count monitoring may be used in conjunction with other clinical and radiographic tools to stratify patients with SAH into high- and low-risk groups to tailor neuromonitoring and treatment strategies.
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28
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Chen Y, Lian BQ, Peng L, Ding CY, Lin YX, Yu LH, Wang DL, Kang DZ. Neutrophil to lymphocyte ratio is a prognosis factor for post-operative pneumonia in aneurysmal subarachnoid hemorrhage patients. Chin Med J (Engl) 2020; 134:682-689. [PMID: 33394700 PMCID: PMC7989986 DOI: 10.1097/cm9.0000000000001304] [Citation(s) in RCA: 12] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/22/2023] Open
Abstract
Background: Although a variety of risk factors of pneumonia after clipping or coiling of the aneurysm (post-operative pneumonia [POP]) in patients with aneurysmal subarachnoid hemorrhage (aSAH) have been studied, the predictive model of POP after aSAH has still not been well established. Thus, the aim of this study was to assess the feasibility of using admission neutrophil to lymphocyte ratio (NLR) to predict the occurrence of POP in aSAH patients. Methods: We evaluated 711 aSAH patients who were enrolled in a prospective observational study and collected admission blood cell counts data. We analyzed available demographics and baseline variables for these patients and analyzed the correlation of these factors with POP using Cox regression. After screening out the prognosis-related factors, the predictive value of these factors for POP was further assessed. Results: POP occurred in 219 patients (30.4%) in this cohort. Patients with POP had significantly higher NLR than those without (14.11 ± 8.90 vs. 8.80 ± 5.82, P < 0.001). Multivariate analysis revealed that NLR remained a significant factor independently associated with POP following aSAH after adjusting for possible confounding factors, including the age, World Federation of Neurosurgical Societies (WFNS) grade, endovascular treatment, and ventilator use. And the predictive value of NLR was significantly increased after WFNS grade was combined with NLR (NLR vs. WFNS grade × NLR, P = 0.011). Conclusions: Regardless of good or poor WNFS grade, patients having NLR >10 had significantly worse POP survival rate than patients having NLR ≤10. NLR at admission might be helpful as a predictor of POP in aSAH patients.
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Affiliation(s)
- Yue Chen
- The Graduate School of Fujian Medical University, Fuzhou, Fujian 350001, China
| | - Bao-Qiang Lian
- Department of Neurosurgery, The First Affiliated Hospital of Fujian Medical University, Fuzhou, Fujian 350001, China
| | - Lei Peng
- Department of Neurosurgery, The People's Hospital of China Three Gorges University, The First People's Hospital of Yichang, Yichang, Hubei 443000, China
| | - Chen-Yu Ding
- Department of Neurosurgery, The First Affiliated Hospital of Fujian Medical University, Fuzhou, Fujian 350001, China
| | - Yuan-Xiang Lin
- Department of Neurosurgery, The First Affiliated Hospital of Fujian Medical University, Fuzhou, Fujian 350001, China
| | - Liang-Hong Yu
- Department of Neurosurgery, The First Affiliated Hospital of Fujian Medical University, Fuzhou, Fujian 350001, China
| | - Deng-Liang Wang
- Department of Neurosurgery, The First Affiliated Hospital of Fujian Medical University, Fuzhou, Fujian 350001, China
| | - De-Zhi Kang
- Department of Neurosurgery, The First Affiliated Hospital of Fujian Medical University, Fuzhou, Fujian 350001, China
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29
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Kurtz P, Taccone FS, Bozza FA, Bastos LSL, Righy C, Gonçalves B, Turon R, Machado MM, Maia M, Ferez MA, Nassif C, Soares M, Salluh JIF. Systemic Severity and Organ Dysfunction in Subarachnoid Hemorrhage: A Large Retrospective Multicenter Cohort Study. Neurocrit Care 2020; 35:56-61. [PMID: 33150574 DOI: 10.1007/s12028-020-01139-3] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/08/2020] [Accepted: 10/20/2020] [Indexed: 10/23/2022]
Abstract
BACKGROUND AND PURPOSE Acute physiologic derangements and multiple organ dysfunction are common after subarachnoid hemorrhage. We aimed to evaluate the simplified acute physiology score 3 (SAPS-3) and the sequential organ failure assessment (SOFA) scores for the prediction of in-hospital mortality in a large multicenter cohort of SAH patients. METHODS This was a retrospective analysis of prospectively collected data from 45 ICUs in Brazil, during 2014 and 2015. Patients admitted with non-traumatic subarachnoid hemorrhage (SAH) were included. Clinical and outcome data were retrieved from an electronic ICU quality registry. SAPS-3 and SOFA scores, without the neurological components (i.e., nSAPS-3 and nSOFA, respectively) were recorded, as well as the World Federation of Neurological Surgeons (WFNS) scale. We used multilevel logistic regression analysis to identify factors associated with in-hospital mortality. We evaluated performance using the area under the receiver operating characteristic curve (AUROC), as well as calibration belts and precision-recall plots. RESULTS The study included 997 patients, from which 426 (43%) had poor clinical grade (WFNS 4 or 5) and in-hospital mortality was 34%. Median nSAPS-3 and nSOFA score at admission were 46 (IQR: 38-55) and 2 (0-5), respectively. Non-survivors were older, had higher nSAPS-3 and nSOFA, and more often poor grade. After adjustment for age, poor grade and withdrawal of life sustaining therapies, multivariable analysis identified nSAPS-3 and nSOFA score as independent clinical predictors of in-hospital mortality. The AUROC curve that included nSAPS-3 and nSOFA scores significantly improved the already good discrimination and calibration of age and WFNS to predict in-hospital mortality (AUROC: 0.89 for the full final model vs. 0.85 for age and WFNS; P < 0.0001). CONCLUSIONS nSAPS-3 and nSOFA scores were independently associated with in-hospital mortality after SAH. The addition of these scores improved early prediction of hospital mortality in our cohort and should be integrated to other specific prognostic indices in the early assessment of SAH.
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Affiliation(s)
- Pedro Kurtz
- Instituto Estadual do Cérebro Paulo Niemeyer, Rio de Janeiro, Brazil. .,D ́Or Institute for Research and Education, Rio de Janeiro, Brazil. .,Hospital Copa Star, Rio de Janeiro, Brazil.
| | - Fabio Silvio Taccone
- Dpt of Intensive Care, Hôpital Erasme, Université Libre de Bruxelles (ULB), Brussels, Belgium
| | - Fernando A Bozza
- D ́Or Institute for Research and Education, Rio de Janeiro, Brazil.,National Institute of Infection, Fundação Oswaldo Cruz, Rio de Janeiro, Brazil
| | - Leonardo S L Bastos
- Pontifical Catholic University of Rio de Janeiro (PUC-Rio), Rio de Janeiro, Brazil
| | - Cassia Righy
- Instituto Estadual do Cérebro Paulo Niemeyer, Rio de Janeiro, Brazil
| | - Bruno Gonçalves
- Instituto Estadual do Cérebro Paulo Niemeyer, Rio de Janeiro, Brazil
| | - Ricardo Turon
- Instituto Estadual do Cérebro Paulo Niemeyer, Rio de Janeiro, Brazil
| | | | | | | | | | - Marcio Soares
- D ́Or Institute for Research and Education, Rio de Janeiro, Brazil
| | - Jorge I F Salluh
- D ́Or Institute for Research and Education, Rio de Janeiro, Brazil.,Postgraduate Program, Internal Medicine, Federal University of Rio de Janeiro, Rio de Janeiro, Brazil
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30
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Maher M, Schweizer TA, Macdonald RL. Treatment of Spontaneous Subarachnoid Hemorrhage: Guidelines and Gaps. Stroke 2020; 51:1326-1332. [PMID: 31964292 DOI: 10.1161/strokeaha.119.025997] [Citation(s) in RCA: 73] [Impact Index Per Article: 18.3] [Reference Citation Analysis] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022]
Affiliation(s)
| | - Tom A Schweizer
- Neuroscience Research Program, Li Ka Shing Knowledge Institute, Institute of Medical Science (T.A.S.)
| | - R Loch Macdonald
- Division of Neurosurgery, Departments of Surgery and Physiology, Keenan Research Centre for Biomedical Science, St Michael's Hospital, University of Toronto, Ontario, Canada (R.L.M.)
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31
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Ding CY, Lian BQ, Ge HL, He Q, Li A, Chen XY, Xu JH, Lin FX, Lin YX, Kang DZ. Predictive factors of postoperative infection-related complications in adult patients with cerebral cavernous malformations. Sci Rep 2020; 10:863. [PMID: 31964974 PMCID: PMC6972745 DOI: 10.1038/s41598-020-57681-9] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/02/2019] [Accepted: 12/30/2019] [Indexed: 11/20/2022] Open
Abstract
Postoperative infection is an important factor contributing to poor prognosis after surgical treatment of cerebral cavernous malformations (CCM). However, the predictive factors of postoperative infection-related complications in adult patients with CCM have still not been well established. To identify possible predictive factors of postoperative infection after CCM surgery, we retrospectively evaluated the data of CCM patients who were enrolled into our prospective registry database. The relationship between preoperative characteristics of patients and postoperative infection-related complications was analyzed. A total of 167 CCM patients were included in this study. The average age was 39.69 ± 15.27 years old, and 21 of them had postoperative infection. For patients with postoperative infection, the Glasgow Coma Scale (GCS), Modified Rankin Scale (mRS), white blood cell (WBC) count, and neutrophil (NEU) count were all significantly higher than those of the group without infection. Our preliminary results showed that NEU count might have significant predictive value of intracranial infection, and GCS, mRS and CCM presenting with hemorrhage were all factors significantly related to postoperative pneumonia. Preoperative GCS, mRS and CCM presenting with hemorrhage might be used as predictive factors for postoperative pneumonia after CCM surgery, while preoperative NEU count can be used as an important predictive factor for postoperative intracranial infection after CCM surgery. Further large-scale studies are still needed to confirm this finding.
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Affiliation(s)
- Chen-Yu Ding
- Department of Neurosurgery, The First Affiliated Hospital of Fujian Medical University, Fuzhou, 350001, Fujian, People's Republic of China
| | - Bao-Qiang Lian
- Department of Neurosurgery, The First Affiliated Hospital of Fujian Medical University, Fuzhou, 350001, Fujian, People's Republic of China
| | - Hong-Liang Ge
- Department of Neurosurgery, The First Affiliated Hospital of Fujian Medical University, Fuzhou, 350001, Fujian, People's Republic of China
| | - Qiu He
- Department of Neurosurgery, The First Affiliated Hospital of Fujian Medical University, Fuzhou, 350001, Fujian, People's Republic of China
| | - Ang Li
- Department of Neurosurgery, The First Affiliated Hospital of Fujian Medical University, Fuzhou, 350001, Fujian, People's Republic of China
| | - Xiao-Yong Chen
- Department of Neurosurgery, The First Affiliated Hospital of Fujian Medical University, Fuzhou, 350001, Fujian, People's Republic of China
| | - Jia-Heng Xu
- Department of Neurosurgery, The First Affiliated Hospital of Fujian Medical University, Fuzhou, 350001, Fujian, People's Republic of China
| | - Fu-Xin Lin
- Department of Neurosurgery, The First Affiliated Hospital of Fujian Medical University, Fuzhou, 350001, Fujian, People's Republic of China
| | - Yuan-Xiang Lin
- Department of Neurosurgery, The First Affiliated Hospital of Fujian Medical University, Fuzhou, 350001, Fujian, People's Republic of China
| | - De-Zhi Kang
- Department of Neurosurgery, The First Affiliated Hospital of Fujian Medical University, Fuzhou, 350001, Fujian, People's Republic of China.
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32
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Elevated Lactate Dehydrogenase Level Predicts Postoperative Pneumonia in Patients with Aneurysmal Subarachnoid Hemorrhage. World Neurosurg 2019; 129:e821-e830. [DOI: 10.1016/j.wneu.2019.06.041] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/01/2019] [Revised: 06/02/2019] [Accepted: 06/03/2019] [Indexed: 12/11/2022]
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Abstract
PURPOSE OF REVIEW Over the last years, the focus of clinical and animal research in subarachnoid hemorrhage (SAH) shifted towards the early phase after the bleeding based on the association of the early injury pattern (first 72 h) with secondary complications and poor outcome. This phase is commonly referenced as early brain injury (EBI). In this clinical review, we intended to overview commonly used definitions of EBI, underlying mechanisms, and potential treatment implications. RECENT FINDINGS We found a large heterogeneity in the definition used for EBI comprising clinical symptoms, neuroimaging parameters, and advanced neuromonitoring techniques. Although specific treatments are currently not available, therapeutic interventions are aimed at ameliorating EBI by improving the energy/supply mismatch in the early phase after SAH. Future research integrating brain-derived biomarkers is warranted to improve our pathophysiologic understanding of EBI in order to ameliorate early injury patterns and improve patients' outcomes.
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Affiliation(s)
- Verena Rass
- Department of Neurology, Medical University of Innsbruck, Anichstrasse 35, 6020, Innsbruck, Austria
| | - Raimund Helbok
- Department of Neurology, Medical University of Innsbruck, Anichstrasse 35, 6020, Innsbruck, Austria.
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34
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Incidence and impact of sepsis on long-term outcomes after subarachnoid hemorrhage: a prospective observational study. Ann Intensive Care 2019; 9:94. [PMID: 31432283 PMCID: PMC6702247 DOI: 10.1186/s13613-019-0562-3] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/17/2019] [Accepted: 07/30/2019] [Indexed: 12/21/2022] Open
Abstract
Background Aneurysmal subarachnoid hemorrhage (SAH) is an acute cerebrovascular disease associated with high mortality and long-term functional impairment among survivors. Systemic inflammatory responses after acute injury and nosocomial infections are frequent complications, making the management of these patients challenging. Here, we hypothesized that sepsis might be associated with early and long-term mortality and functional outcomes. Our objective was to define the incidence of sepsis, diagnosed prospectively with the Sepsis-3 criteria, and to determine its impact on mortality and functional outcomes of patients with SAH. Methods We prospectively included all adult patients with aneurysmal SAH admitted to the intensive care unit (ICU) of a reference center between April 2016 and May 2018. Daily clinical and laboratory follow-up data were analyzed during the first 14 days, with data collected on sepsis according to the Sepsis-3 criteria. The main outcome was the functional outcome using the Modified Rankin Scale (mRS), which was assessed at hospital discharge and 3, 6 and 12 months post-discharge. Results In total, 149 patients were enrolled. The incidence of sepsis was 28%. Multivariable logistic regression analysis revealed that death or functional dependence (defined as an mRS score of 4 to 6) at hospital discharge was independently associated with sepsis (OR 3.4, 95% CI 1.16–9.96, p = 0.026) even after controlling for World Federation of Neurological Surgeons (WFNS) Scale (OR 4.66, 95% CI 1.69–12.88, p = 0.003), hydrocephalus (OR 4.55, 95% CI 1.61–12.85, p = 0.004) and DCI (OR 3.86, 95% CI 1.39–10.74, p = 0.01). Long-term follow-up mortality rates were significantly different in the septic and nonseptic groups (log-rank test p < 0.0001). The mortality rate of septic patients was 52.5%, and that of nonseptic patients was 16%. Conclusion Sepsis plays a significant role in the outcomes of patients with SAH, affecting both mortality and long-term functional outcomes. Combining high-level neurocritical care management of neurological complications and the optimal diagnosis and management of sepsis may effectively reduce secondary brain injury and improve patients’ outcomes after SAH.
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Saand AR, Yu F, Chen J, Chou SHY. Systemic inflammation in hemorrhagic strokes - A novel neurological sign and therapeutic target? J Cereb Blood Flow Metab 2019; 39:959-988. [PMID: 30961425 PMCID: PMC6547186 DOI: 10.1177/0271678x19841443] [Citation(s) in RCA: 106] [Impact Index Per Article: 21.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/21/2022]
Abstract
Growing evidences suggest that stroke is a systemic disease affecting many organ systems beyond the brain. Stroke-related systemic inflammatory response and immune dysregulations may play an important role in brain injury, recovery, and stroke outcome. The two main phenomena in stroke-related peripheral immune dysregulations are systemic inflammation and post-stroke immunosuppression. There is emerging evidence suggesting that the spleen contracts following ischemic stroke, activates peripheral immune response and this may further potentiate brain injury. Whether similar brain-immune crosstalk occurs in hemorrhagic strokes such as intracerebral hemorrhage (ICH) and subarachnoid hemorrhage (SAH) is not established. In this review, we systematically examined animal and human evidence to date on peripheral immune responses associated with hemorrhagic strokes. Specifically, we reviewed the impact of clinical systemic inflammatory response syndrome (SIRS), inflammation- and immune-associated biomarkers, the brain-spleen interaction, and cellular mediators of peripheral immune responses to ICH and SAH including regulatory T cells (Tregs). While there is growing data suggesting that peripheral immune dysregulation following hemorrhagic strokes may be important in brain injury pathogenesis and outcome, details of this brain-immune system cross-talk remain insufficiently understood. This is an important unmet scientific need that may lead to novel therapeutic strategies in this highly morbid condition.
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Affiliation(s)
- Aisha R Saand
- 1 Department of Critical Care Medicine, School of Medicine, University of Pittsburgh, Pittsburgh, PA, USA
| | - Fang Yu
- 2 Department of Neurology, School of Medicine, University of Pittsburgh, Pittsburgh, PA, USA
| | - Jun Chen
- 2 Department of Neurology, School of Medicine, University of Pittsburgh, Pittsburgh, PA, USA
| | - Sherry H-Y Chou
- 1 Department of Critical Care Medicine, School of Medicine, University of Pittsburgh, Pittsburgh, PA, USA.,2 Department of Neurology, School of Medicine, University of Pittsburgh, Pittsburgh, PA, USA.,3 Department of Neurosurgery, School of Medicine, University of Pittsburgh, PA, USA
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