Journal of Otolaryngology and Ophthalmology of Shandong University ›› 2020, Vol. 34 ›› Issue (4): 35-40.doi: 10.6040/j.issn.1673-3770.1.2020.044

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Analysis of the literature on ocular ischemic syndrome at home and abroadMENG Bo, HUANG Yingxiang, WANG Kang, ZHAO Lu, WANG Yanling Department of Ophthalmology, Beijing Friendship Hospital, Capital Medical University, Beijing 100050, ChinaAbstract:

ObjectiveObjectiveTo analyze the literature on ocular ischemic syndrome published between January 1, 2014 and December 31, 2019. MethodPapers on OIS that were published between January 1, 2014 and December 31, 2019, were screened and retrieved from the CNKI and WOS databases, and those that were relevant were searched and analyzed. ResultsIn this analysis, 35 Chinese papers on OIS were cited for 41 times with an h-index of 2, while 48 foreign papers were cited for 115 times with an h-index of 6. Of the organizations that published the highest number of papers and had the highest h-indexes, the Capital Medical University and the Polish Medical University of Pomerania were the leading institutions. The Chinese Journal of Ophthalmology was the leading domestic journal, and the Journal of Ophthalmology and Plos One were the leading foreign journals. China published the highest number of papers abroad; China and South Korea had the highest h-indexes. China′s National Natural Science Foundation provided the most support to the field of OIS, accounting for 20.8% of the total domestic literature. The most frequently cited article in the WOS database was by Hayreh, SS, which was on the prevalence and pathogenesis of ocular vascular occlusive disease and melanosis; it was also part of the top ten studies that focused on the utility of OCT in providing insights into OIS and the mechanisms of ischemia and hypoxia. ConclusionThe utility of OCT in providing insights into OIS and the mechanisms of hypoxia and ischemia represents a modern focus of researchers.   

  1. Key words:Ocular ischemic syndrome;
    Eye;
    H factor;
    Citation眼缺血综合征(ocular ischemic syndrome, OIS)是由颈动脉狭窄或闭塞引起的眼部血液循环障碍或灌注不足性疾病。患者就诊时常主诉视力下降及眼球或眼眶疼痛。该病主要见于50岁以上老年人, 发病原因包括动脉粥样硬化、炎症、外伤、手术等, 发病危险因素包括高血压、糖尿病、高脂血症等[1-3]。本文从文献计量学的角度, 在前期引文分析的基础上[4], 对国内外数据库中2014~2019年发表的OIS领域相关文献进行了特征分析, 旨在揭示近些年该领域研究在作者、机构、期刊、国家、国内基金资助情况等层面的数量分布特征和发展趋势。希望学者们通过本文的分析能对OIS的发展动态有所掌握, 便于开展OIS相关研究。
  • Received:2020-05-22 Online:2020-07-20 Published:2020-08-28

Abstract: Objective Objective To analyze the literature on ocular ischemic syndrome published between January 1, 2014 and December 31, 2019. Method Papers on OIS that were published between January 1, 2014 and December 31, 2019, were screened and retrieved from the CNKI and WOS databases, and those that were relevant were searched and analyzed. Results In this analysis, 35 Chinese papers on OIS were cited for 41 times with an h-index of 2, while 48 foreign papers were cited for 115 times with an h-index of 6. Of the organizations that published the highest number of papers and had the highest h-indexes, the Capital Medical University and the Polish Medical University of Pomerania were the leading institutions. The Chinese Journal of Ophthalmology was the leading domestic journal, and the Journal of Ophthalmology and Plos One were the leading foreign journals. China published the highest number of papers abroad; China and South Korea had the highest h-indexes. China's National Natural Science Foundation provided the most support to the field of OIS, accounting for 20.8% of the total domestic literature. The most frequently cited article in the WOS database was by Hayreh, SS, which was on the prevalence and pathogenesis of ocular vascular occlusive disease and melanosis; it was also part of the top ten studies that focused on the utility of OCT in providing insights into OIS and the mechanisms of ischemia and hypoxia. Conclusion The utility of OCT in providing insights into OIS and the mechanisms of hypoxia and ischemia represents a modern focus of researchers.

Key words: Ocular ischemic syndrome, Eye, H factor, Citation

CLC Number: 

  • R774.5
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[1] Ocular ischemic syndrome(OIS)is a severe ophthalmic disease caused by ocular hypoperfusion, which occurs due to stenosis or occlusion of the common or internal carotid arteries. The clinical presentations and signs of OIS are complex, incidental, and different. OIS is easily misdiagnosed or remains undiagnosed because of its asymptomatic onset and complicated ocular manifestations. Therefore, it is crucial to trace the etiology of OIS. Presently, different imaging modalities can evaluate the carotid artery blood supply, collateral circulation, and brain perfusion. Thus, appropriate modalities must be selected for OIS diagnosis based on their advantages and disadvantages. Furthermore, the auxiliary examination results should be accurately and promptly considered and interpreted when establishing a diagnosis of OIS. Thus, the management of OIS requires cooperation with ophthalmologists, cardiologists, and neurologists.. Correct interpretation of the predictors of ocular ischemic syndrome to improve diagnostic performance HUANG Yingxiang, WANG Yanling Department of Ophthalmology, Beijing Friendship Hospital, Capital Medical University, Beijing 100050, China Abstract: [J]. Journal of Otolaryngology and Ophthalmology of Shandong University, 2020, 34(4): 1-4.
[2] Carotid artery stenosis is a common clinical disorder. Its main clinical symptoms are transient ischemic attacks and cerebral infarction, ocular ischemic syndrome(OIS)is rare. Its diagnostic imaging modalities include doppler ultrasound imaging, CTA, and MRA. Medical therapy, including risk factor management of atherosclerosis, is necessary for all patients with carotid artery stenosis. Carotid revascularization techniques, including carotid endarterectomy or carotid artery stenting, should be performed for asymptomatic patients with severe carotid artery stenosis and symptomatic patients with moderate carotid stenosis. Patients with carotid artery stenosis need early interventions to prevent stroke, improve ocular artery perfusion, and, ultimately, prevent further vision loss.. Advances in the diagnosis and treatment of carotid artery stenosisXU Zeqin Overview GUO Lianrui Guidance Department of Vascular Surgery, Xuan Wu Hospital and Institute of Vascular Surgery, Capital Medical University, Beijing 100053, ChinaAbstract: [J]. Journal of Otolaryngology and Ophthalmology of Shandong University, 2020, 34(4): 11-15.
[3] Ocular ischemic syndrome(OIS)is usually undiagnosed or misdiagnosed due to its asymptomatic onset, complicated ocular manifestations, and the lack of awareness, and patients with OIS have a higher mortality. Improving the understanding, diagnosis, and treatment of OIS through multidisciplinary collaboration is key to investigating and preventing systemic vascular events as well as decreasing blindness and mortality. This review summarizes the recent advances in the epidemiology, clinical diagnosis, and management of OIS.. Recent ocular ischemic syndrome advancesWANG Luping Overview HUANG Yingxiang, WANG Yanling Guidance Department of Ophthalmology, Beijing Friendship Hospital, Capital Medical University, Beijing 100050, ChinaAbstract: [J]. Journal of Otolaryngology and Ophthalmology of Shandong University, 2020, 34(4): 23-27.
[4] ObjectiveTo discuss the causes and appropriate treatment for iris neovascularization following the analysis of 25 cases(28 eyes). MethodsIt was a retrospective case series study involving 25 patients(28 eyes)with iris neovascularization diagnosed between September 2014 and July 2016. All the patients underwent ophthalmic examination, and all the examination findings and treatments were recorded. The causes, correlative factors, and treatment outcomes of iris neovascularization were analyzed. ResultsOf the patients, 17(20 eyes, 71.4%)had retinal ischemic signs, including vitreous hemorrhage and retinal vascularization on fundus fluorescein angiography; 8(8 eyes, 28.6%)did not have retinal ischemic signs. After 3 months of treatment, retinal vascularization resolved in all the cases, and iris neovascularization resolved completely in 20 patients(23 eyes, 82.1%), iris neovascularization was still found in 5 patients(5 eyes, 17.9%). ConclusionsAnterior segment ischemia may also lead to iris vascularization, although retinal ischemia was the main cause. Additionally, iris neovascularization may not always resolve with treatment for retinal ischemia. Finally, anti-VEGF drug injection was an effective treatment for iris neovascularization.. Case analysis of 25 cases of iris neovascularizationLI Xuan1,2, HUANG Yingxiang2 1. Department of Ophthalmology, Beijing Friendship Hospital, Capital Medical University, Beijing 100050, China; 2. Department of Fundus Disease and Eye Trauma, Eye Hospital China Academy of Chinese Medicine Sciences, Beijing 100040, ChinaAbstract: [J]. Journal of Otolaryngology and Ophthalmology of Shandong University, 2020, 34(4): 41-47.
[5] 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.
[6] Spectral-domain optical coherence tomography(SD-OCT)was used to measure and observe the characteristics of the subfoveal choroidal thickness(SFCT)in patients with ocular ischemic syndrome(OIS)as well as explore the indicators for early evaluation of OIS. MethodsThis was a retrospective case-control study. Forty-eight patients(48 eyes)were included between January 2017 and January 2020. The patients were divided into two groups: the OIS and the control groups, with each consisting of 24 patients(24 eyes). Their basic information, including age, gender, body mass index(BMI), and the history of diabetes, hypertension, and hyperlipidemia, was collected. SFCT was measured using SD-OCT in EDI mode. The basic data and SFCTs of the two groups were compared. ResultsThere were no significant differences between the ages, gender, BMIs, and the prevalence of diabetes, hypertension, and hyperlipidemia of the two groups(all P>0.05). The mean SFCT of the OIS group was 204.83±27.34 μm, and that of the control group was 226.58±33.49 μm. The differences between the two groups were statistically significant(t=2.464, P=0.018). ConclusionsSFCT was thinner in patients with OIS. SFCT can be used as an indicator for early assessment of OIS.. Analysis of choroidal thickness in patients with ocular ischemic syndromeFU Qiang, WANG Hongxing Department of Ophthalmology, Beijing Chuiyangliu Hospital, Beijing 100022, ChinaAbstract: Objective〓 [J]. Journal of Otolaryngology and Ophthalmology of Shandong University, 2020, 34(4): 60-63.
[7] Tao ZHANG,Kaiwei CAO,Lina LIU,Ting LIU,Ji BAI. Comparative study of the effects of different protective measures of the non-operative eye during SMILE surgery on tear film stability [J]. Journal of Otolaryngology and Ophthalmology of Shandong University, 2020, 34(2): 32-35.
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[9] HAO Peixia, LIU Xiuzheng, ZHANG Xiaolin, FAN Yiyan, DONG Hongliang, REN Jizhen, YIN Jingjing, MA Xiufang. Expression of the alternative splice forms of Col2a1 in mice eyes, ears and cartilage at various development stages [J]. Journal of Otolaryngology and Ophthalmology of Shandong University, 2020, 34(1): 78-84.
[10] WEN Feng, WANG Bingjie, HU Xihao, ZHAO Enmin. Mantle cell lymphoma involving the Waldeyer's ring: a case series and literature review [J]. Journal of Otolaryngology and Ophthalmology of Shandong University, 2020, 34(1): 115-120.
[11] YANG Xiufen, LI Hongyang, ZHAO Lu,WEI Ying, HU Xiangdong, CHEN Jun, WANG Yanling. Clinical and imaging characteristics in patients with ocular ischemic syndrome [J]. Journal of Otolaryngology and Ophthalmology of Shandong University, 2019, 33(4): 119-123.
[12] SUN Ziwen, CUI Hongwei, SUN Xiling, CHEN Chen, ZHANG Lu, HU Zhulin. SUN Ziwen1, CUI Hongwei2, SUN XilingEtiology, pathogenesis, and management of dry eye [J]. Journal of Otolaryngology and Ophthalmology of Shandong University, 2019, 33(2): 159-166.
[13] LIU Hongxia, WANG Shaopeng, LU Hui, GAO Lifen. A case of traumatic eyeball removal into the maxillary sinus [J]. Journal of Otolaryngology and Ophthalmology of Shandong University, 2019, 33(2): 169-170.
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[15] TU Xuefeng. Clinical effect of combination therapy of sodium hyaluronate and recombinant bovine basic fibroblast growth factor on dry eye after phacoemulsification [J]. Journal of Otolaryngology and Ophthalmology of Shandong University, 2018, 32(6): 84-87.
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