Journal of Otolaryngology and Ophthalmology of Shandong University ›› 2020, Vol. 34 ›› Issue (4): 16-22.doi: 10.6040/j.issn.1673-3770.1.2020.053

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The application of arterial spin labeling in ischemic diseasesZHOU Zhuohua Overview LI Hongyang, HUANG Yingxiang, WANG Yanling Guidance Department of Ophthalmology, Beijing Friendship Hospital affiliated to Capital Medical University, Beijing 100050, ChinaAbstract:

Arterial spin labeling(ASL)is a non-invasive imaging technique that permits the quantitative analysis of tissue perfusion without contrast agents, and it has been widely used in ischemic disease research. This paper introduces the application of ASL in the assessment of ischemic ophthalmopathy and encephalopathy and compares it with other common examination techniques of the eye and brain. ASL can be used to monitor changes in cerebral blood flow and predict ischemic events, and it has been widely used in the study of ischemic encephalopathy. It can directly reflect the dynamics of blood flow through the chorioretinal vasculature, and it can be used as a reliable method for quantifying ocular blood perfusion. ASL is also relevant for the pathophysiological studies of chorioretinal diseases, which may contribute to the early diagnosis of ischemic ophthalmopathies. Currently, the application of ASL in ophthalmology is still limited, and further studies are needed to establish the utility of ASL in assessing ischemic ophthalmopathy.   

  1. Key words: Ischemic ophthalmopathy;
    Arterial spin labeling;
    Ischemic encephalopathy;
    Diagnosis;
    Magnetic resonance imaging缺血性疾病(如缺血性眼病、缺血性脑病)具有高发病率的特点, 且部分早期症状不典型, 早期发现、早期诊断可使患者得到及时治疗, 对于降低致残率和死亡率具有重要意义。随着影像学技术的发展, 该类疾病的检查手段多种多样, 磁共振动脉自旋标记(arterial spin labeling, ASL)技术作为一项新的成像技术应用于缺血性疾病的早期诊断, 在有些方面已经取得了可见的成效。现就ASL在缺血性疾病中的临床应用进行综述。
  • Received:2020-05-29 Online:2020-07-20 Published:2020-08-28

Abstract: Arterial spin labeling(ASL)is a non-invasive imaging technique that permits the quantitative analysis of tissue perfusion without contrast agents, and it has been widely used in ischemic disease research. This paper introduces the application of ASL in the assessment of ischemic ophthalmopathy and encephalopathy and compares it with other common examination techniques of the eye and brain. ASL can be used to monitor changes in cerebral blood flow and predict ischemic events, and it has been widely used in the study of ischemic encephalopathy. It can directly reflect the dynamics of blood flow through the chorioretinal vasculature, and it can be used as a reliable method for quantifying ocular blood perfusion. ASL is also relevant for the pathophysiological studies of chorioretinal diseases, which may contribute to the early diagnosis of ischemic ophthalmopathies. Currently, the application of ASL in ophthalmology is still limited, and further studies are needed to establish the utility of ASL in assessing ischemic ophthalmopathy.

Key words: Ischemic ophthalmopathy, Arterial spin labeling, Ischemic encephalopathy, Diagnosis, Magnetic resonance imaging

CLC Number: 

  • R77
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[1] To explore the genesis, clinical diagnosis, treatment, and prevention mechanisms of the formation of stones within the nasal cavity and sinus as well as measures toreduce the rate of clinical misdiagnosis. MethodsA comprehensive analysis was conducted on six patients with nasal and sinus calculi who visited the hospital between April 2012 and November 2017. The etiology, pathology, clinical diagnosis, differential diagnosis, treatment, prevention, and complication management of the disease were summarized for each patient. ResultFive patients underwent surgery for the removal of stones from the nasal cavity and sinus under general anesthesia. Nasal endoscopy was also performed for the assessment of the related sinus passages. One patient recovered upon nasal irrigation and anti-inflammation treatment. All the patients were followed up for six months and the mucosal layer within the operation area that was epithelialized, recovered well. The symptoms disappeared without any additional complications. ConclusionNasal endoscopy in combination with the assessment of clinical manifestation and imaging are conducive to the diagnosis of the disease. Together, these could develop into an effective treatment regimen for nasal cavity and sinusoidal lithiasis.. Clinical experience in diagnosis and treatment of stone in nasal cavity and sinusZHAI Xingyou1, HOU Junsheng2, LI Xinjian1, WANG Xin1, XIE Yingli1, WANG Wenjia1 1. Department of Otorhinolaryngology Head and Neck Surgery, Hainan Hospital, General Hospital of PLA, Hainan Province Otorhinolaryngology Head and Neck Surgery Clinical Medical Research Center, Sanya 572013, Hainan, China; 2. Department of Otorhinolaryngology Head and Neck Surgery, the First Affiliated Hospital of Henan University, Kaifeng 475001, Henan, ChinaAbstract:Objective [J]. Journal of Otolaryngology and Ophthalmology of Shandong University, 2020, 34(4): 92-96.
[2] ObjectiveTo discuss the early diagnosis and multidisciplinary diagnosis and treatment of neovascular glaucoma in ocular ischemic syndrome. MethodsThe medical records of a 54-year-old male patient with cerebral infarction who presented with right-eye vision loss that had persisted for a week were reviewed. After slit-lamp examination and fluorescence angiography, he was diagnosed with ocular ischemic syndrome(OIS)complicated by neovascular glaucoma in the right eye and treated with intravitreal injection of anti-VEGF drugs and panretinal photocoagulation. ResultsAfter three months of treatment, the right-eye iris neovascularization subsided, and the intraocular pressure was controlled within normal limits. ConclusionOcular ischemia is often missed or misdiagnosed by ophthalmologists, neurologists, cardiologists, and vascular surgeons due to its insidious onset and complex clinical manifestations. Therefore, the establishment of multidisciplinary diagnosis and treatment can improve the prognosis of OIS patients.. Neovascular glaucoma in ocular ischemic syndrome: a case report and literature reviewQIN Shuqi1, WANG Luping1, JIANG Bin2, WANG Yanling1 1. Department of Ophthalmology, Beijing Friendship Hospital, Capital Medical University, Beijing 10050, China; 2. Department of Neurology, Beijing Friendship Hospital, Capital Medical University, Beijing 10050, ChinaAbstract: [J]. Journal of Otolaryngology and Ophthalmology of Shandong University, 2020, 34(4): 53-55.
[3] Rhinogenic headache is caused by rhinosinusitis or abnormal nasal anatomy. Currently, there are clear classifications and pain grading standards to diagnose the same. Further, its mechanism of action is now understood to involve trigeminal nerve stimulation and sensory neuropeptide substance P. Functional endoscopic surgery(FESS)is prioritized as a treatment modality. During surgery, it is imperative to restore the normal anatomy of the nasal cavity. Several clinical studies have reported that FESS was significantly effective in treating rhinogenic headache, with an overall effective rate of 90% and cure rate of 78%. Additionally, one report indicates that postoperative endoscopic examination and dressing change can effectively reduce the occurrence of complications and ensure safety of the treatment.. Dynamic analysis of rhinogenic headacheZHOU Fangming1, XIE Yan2, LIU Yang2 Overview JIANG Luyun2Guidance 1. Chengdu University of Traditional Chinese Medicine, Chengdu 610075, Sichuan, China 2. Department of Otorhinolaryngology, Hospital of Chengdu University of Traditional Chinese Medicine, Chengdu 610075, Sichuan, ChinaAbstract: [J]. Journal of Otolaryngology and Ophthalmology of Shandong University, 2020, 34(4): 130-133.
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