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Zhang W, Gu X, Zhao Q, Wang C, Liu X, Chen Y, Zhao X. Causal effects of gut microbiota on chalazion: a two-sample Mendelian randomization study. Front Med (Lausanne) 2024; 11:1411271. [PMID: 38895185 PMCID: PMC11183106 DOI: 10.3389/fmed.2024.1411271] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/02/2024] [Accepted: 05/21/2024] [Indexed: 06/21/2024] Open
Abstract
Purpose To investigate the causal relationship between gut microbiota (GM) and chalazion through Mendelian randomization (MR) analysis. Methods GM-related genome-wide association studies (GWAS) were obtained from the International Consortium MiBioGen. Genetic data for chalazion were sourced from the MRC Integrative Epidemiology Unit (IEU) Open GWAS database. Five MR methods, including inverse variance weighted (IVW), were employed to estimate causal relationships. Cochran's Q test was used to detect heterogeneity, the MR-Egger intercept test and MR-PRESSO regression were utilized to detect horizontal pleiotropy, and the leave-one-out method was employed to validate data stability. Results We identified 1,509 single nucleotide polymorphisms (SNPs) across 119 genera as instrumental variables (IVs) (p < 1 × 10-5). According to the inverse variance weighted (IVW) estimate, the Family XIII AD3011 group (OR = 1.0018, 95% CI 1.0002-1.0035, p = 0.030) and Catenibacterium (OR = 1.0013, 95% CI 1.0002-1.0025, p = 0.022) were potentially associated with increased risk of chalazion. Conversely, Veillonella (OR = 0.9986, 95% CI 0.9974-0.9999, p = 0.036) appeared to provide protection against chalazion. There was no evidence of heterogeneity or pleiotropy. Conclusion This study uncovered the causal relationship between GM and chalazion, pinpointing Catenibacterium and Family XIII AD3011 group as potential risk contributors, while highlighting Veillonella as a protective factor. In-depth investigation into the potential mechanisms of specific bacteria in chalazion was essential for providing novel therapeutic and preventive strategies in the future.
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Affiliation(s)
- Wenfei Zhang
- Department of Ophthalmology, Peking Union Medical College Hospital, Chinese Academy of Medical Sciences & Peking Union Medical College, Beijing, China
- Key Laboratory of Ocular Fundus Diseases, Chinese Academy of Medical Sciences, Beijing, China
| | - Xingwang Gu
- Department of Ophthalmology, Peking Union Medical College Hospital, Chinese Academy of Medical Sciences & Peking Union Medical College, Beijing, China
- Key Laboratory of Ocular Fundus Diseases, Chinese Academy of Medical Sciences, Beijing, China
| | - Qing Zhao
- Department of Ophthalmology, Peking Union Medical College Hospital, Chinese Academy of Medical Sciences & Peking Union Medical College, Beijing, China
- Key Laboratory of Ocular Fundus Diseases, Chinese Academy of Medical Sciences, Beijing, China
| | - Chuting Wang
- Department of Ophthalmology, Peking Union Medical College Hospital, Chinese Academy of Medical Sciences & Peking Union Medical College, Beijing, China
- Key Laboratory of Ocular Fundus Diseases, Chinese Academy of Medical Sciences, Beijing, China
| | - Xinyu Liu
- Department of Ophthalmology, Peking Union Medical College Hospital, Chinese Academy of Medical Sciences & Peking Union Medical College, Beijing, China
- Key Laboratory of Ocular Fundus Diseases, Chinese Academy of Medical Sciences, Beijing, China
| | - Youxin Chen
- Department of Ophthalmology, Peking Union Medical College Hospital, Chinese Academy of Medical Sciences & Peking Union Medical College, Beijing, China
- Key Laboratory of Ocular Fundus Diseases, Chinese Academy of Medical Sciences, Beijing, China
| | - Xinyu Zhao
- Department of Ophthalmology, Peking Union Medical College Hospital, Chinese Academy of Medical Sciences & Peking Union Medical College, Beijing, China
- Key Laboratory of Ocular Fundus Diseases, Chinese Academy of Medical Sciences, Beijing, China
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Zhang X, Cai Y, Jiang Y, Du W, An W, Fu Q, Chen Y. Genetic correlation between circulating metabolites and chalazion: a two-sample Mendelian randomization study. Front Mol Biosci 2024; 11:1368669. [PMID: 38577173 PMCID: PMC10991826 DOI: 10.3389/fmolb.2024.1368669] [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: 01/19/2024] [Accepted: 03/06/2024] [Indexed: 04/06/2024] Open
Abstract
Background: Lipid metabolism disorders were observationally associated with chalazion, but the causality of the related circulating metabolites on chalazion remained unknown. Here, we investigated the potential causal relationship between circulating metabolites and chalazion using two-sample Mendelian randomization (MR) analysis. Methods: For the primary analysis, 249 metabolic biomarkers were obtained from the UK Biobank, and 123 circulating metabolites were obtained from the publication by Kuttunen et al. for the secondary analysis. Chalazion summary data were obtained from the FinnGen database. Inverse variance weighted (IVW) is the main MR analysis method, and the MR assumptions were evaluated in sensitivity and colocalization analyses. Results: Two MR analyses results showed that the common metabolite, alanine, exhibited a genetic protective effect against chalazion (primary analysis: odds ratio [OR] = 0.680; 95% confidence interval [CI], 0.507-0.912; p = 0.010; secondary analysis: OR = 0.578; 95% CI, 0.439-0.759; p = 0.00008). The robustness of the findings was supported by heterogeneity and horizontal pleiotropy analysis. Two colocalization analyses showed that alanine did not share a region of genetic variation with chalazion (primary analysis: PPH4 = 1.95%; secondary analysis: PPH4 = 25.3%). Moreover, previous studies have suggested that an increase in the degree of unsaturation is associated with an elevated risk of chalazion (OR = 1.216; 95% CI, 1.055-1.401; p = 0.007), with omega-3 fatty acids (OR = 1.204; 95% CI, 1.054-1.377; p = 0.006) appearing to be the major contributing factor, as opposed to omega-6 fatty acids (OR = 0.850; 95% CI, 0.735-0.982; p = 0.027). Conclusion: This study suggests that alanine and several unsaturated fatty acids are candidate molecules for mechanistic exploration and drug target selection in chalazion.
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Affiliation(s)
- Xin Zhang
- Department of Ophthalmology, Yangpu Hospital, School of Medicine, Tongji University, Shanghai, China
| | - Yuying Cai
- Department of Ophthalmology, Yangpu Hospital, School of Medicine, Tongji University, Shanghai, China
| | - Yaping Jiang
- Department of Ophthalmology, Yangpu Hospital, School of Medicine, Tongji University, Shanghai, China
| | - Wei Du
- Department of Ophthalmology, Yangpu Hospital, School of Medicine, Tongji University, Shanghai, China
| | - Weishu An
- Department of Oncology, Shanghai Ninth People’s Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai, China
| | - Qiangqiang Fu
- Department of General Practice, Clinical Research Center for General Practice, Yangpu Hospital, School of Medicine, Tongji University, Shanghai, China
| | - Yihui Chen
- Department of Ophthalmology, Yangpu Hospital, School of Medicine, Tongji University, Shanghai, China
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Kim DH, Briceño CA, McGeehan B, VanderBeek BL. Risk Factors for Chalazion Diagnosis and Subsequent Surgical Excision. Ophthalmic Epidemiol 2024; 31:84-90. [PMID: 37032590 PMCID: PMC10560700 DOI: 10.1080/09286586.2023.2199838] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/06/2023] [Revised: 03/22/2023] [Accepted: 04/01/2023] [Indexed: 04/11/2023]
Abstract
PURPOSE To identify factors associated with chalazion diagnosis and surgical excision. METHODS Patients with an incident chalazion diagnosis from 2002 to 2019 were compared 1:5 with matched controls. Multivariable logistic regression was performed to identify variables associated with diagnosis and surgical excision. RESULTS Chalazion patients (n = 134,959) and controls (678,160) were analyzed. Risk factors for diagnosis included female sex, non-white race, northeast location, conditions affecting periocular skin and tear film (blepharitis, meibomian gland dysfunction, rosacea, pterygium), non-ocular inflammatory conditions (gastritis, inflammatory bowel disease, sarcoidosis, seborrheic dermatitis, Graves' disease), and smoking (p < .001 for all comparisons). Thirteen percent of patients with chalazion underwent subsequent surgical excision. Diabetes and systemic sclerosis diagnoses decreased odds of diagnosis (p < .001). Male sex, rosacea diagnosis, Black and Hispanic race, antibiotic use, and doxycycline use increased odds of surgery (p < .001). CONCLUSION Female sex, non-white race, conditions affecting periocular skin and the tear film, several non-ocular inflammatory conditions, and smoking were risk factors for chalazion diagnosis. Male sex, rosacea diagnosis, Black and Hispanic race, antibiotic use, and doxycycline use were risk factors for surgical intervention for chalazion. Our results prompt further study of these variables and their relationship to chalazion diagnosis to understand physiology and improve clinical outcomes. Furthermore, the results of this study suggest early recognition and treatment of concomitant rosacea may serve an important role in the management of chalazion and in the prevention of surgical intervention.
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Affiliation(s)
- Diana H. Kim
- Scheie Eye Institute, Perelman School of Medicine, University of Pennsylvania, Philadelphia, PA, USA
| | - César A. Briceño
- Scheie Eye Institute, Perelman School of Medicine, University of Pennsylvania, Philadelphia, PA, USA
| | - Brendan McGeehan
- Scheie Eye Institute, Perelman School of Medicine, University of Pennsylvania, Philadelphia, PA, USA
- Center for Preventative Ophthalmology and Biostatistics, University of Pennsylvania, Philadelphia PA
| | - Brian L. VanderBeek
- Scheie Eye Institute, Perelman School of Medicine, University of Pennsylvania, Philadelphia, PA, USA
- Center for Pharmacoepidemiology Research and Training, Perelman School of Medicine, University of Pennsylvania, Philadelphia, PA, USA
- Leonard Davis Institute, Perelman School of Medicine, University of Pennsylvania, Philadelphia, PA, USA
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Tashbayev B, Chen X, Utheim TP. Chalazion Treatment: A Concise Review of Clinical Trials. Curr Eye Res 2024; 49:109-118. [PMID: 37937798 DOI: 10.1080/02713683.2023.2279014] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/21/2023] [Accepted: 10/30/2023] [Indexed: 11/09/2023]
Abstract
A chalazion is one of the most common eye conditions presenting as a mass lesion of the eyelids. It is seen in all age groups. Chalazion is a non-inflammatory process and develops due to retained secretion of the meibomian or Zeis glands. Treatment of choice differs among clinicians and may include application of warm compress onto eyelids, lid hygiene, using local antibiotic ointment with or without steroids, injecting steroid solution (triamcinolone acetonide) into the lesion and surgical removal of the lesion by incision and curettage. In addition, there are some other experimented methods such as injection of botulinum toxin A, tarsal trephination, removal of chalazion by application of CO2 laser or cryogenic action. However, there is currently no commonly agreed treatment of choice. In this review, we aimed to summarize findings from clinical trials and hopefully, identify a treatment of choice in chalazion.
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Affiliation(s)
- Behzod Tashbayev
- Department of Plastic and Reconstructive Surgery, Oslo University Hospital, Oslo, Norway
- Department of Medical Biochemistry, Oslo University Hospital, Oslo, Norway
- The Norwegian Dry Eye Clinic, Oslo, Norway
| | - Xiangjun Chen
- Department of Medical Biochemistry, Oslo University Hospital, Oslo, Norway
- The Norwegian Dry Eye Clinic, Oslo, Norway
- Department of Ophthalmology, Vestre Viken Hospital Trust, Drammen, Norway
- Department of Ophthalmology, Sørlandet Hospital Arendal, Arendal, Norway
| | - Tor Paaske Utheim
- Department of Plastic and Reconstructive Surgery, Oslo University Hospital, Oslo, Norway
- Department of Medical Biochemistry, Oslo University Hospital, Oslo, Norway
- The Norwegian Dry Eye Clinic, Oslo, Norway
- Department of Ophthalmology, Vestre Viken Hospital Trust, Drammen, Norway
- Department of Ophthalmology, Sørlandet Hospital Arendal, Arendal, Norway
- Department of Ophthalmology, Oslo University Hospital, Oslo, Norway
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Tajima A, Sassa Y, Ishio D, Yamashita S, Sadashima E, Arai R, Iwanaga K, Yoshida S, Sonoda KH, Enaida H. Clinical features of 26 cases of COVID-19-associated conjunctivitis. Jpn J Ophthalmol 2024; 68:57-63. [PMID: 38017339 DOI: 10.1007/s10384-023-01033-3] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/17/2023] [Accepted: 08/25/2023] [Indexed: 11/30/2023]
Abstract
PURPOSE To explore the clinical features of COVID-19-associated conjunctivitis with the objective of preventing the spread of infection. STUDY DESIGN Retrospective cohort study. METHODS From March 2020 to March 2021, we retrospectively reviewed 26 (9.8%) consecutive COVID-19 patients with conjunctivitis among 282 COVID-19 cases admitted to our hospital. Clinical symptoms, onset date of conjunctivitis, time to patient recovery, and eye drop intervention were investigated. In addition, risk factors for developing conjunctivitis were statistically examined among 206 inpatients available for within 5 days of the onset. A multivariate analysis of conjunctivitis risk factors was performed. RESULTS Among the 282 COVID-19 patients, 4 (1.4%) had conjunctival hyperemia as the primary symptom. The median time of onset was 4 days after the COVID-19 onset. Hyperemia was observed in all cases, but other ocular symptoms were rare. The median duration of hyperemia was 3 days. A multiple logistic regression analysis revealed that a young age (p=0.005) and current smoking habit (p=0.027) were independent risk factors for conjunctivitis after COVID-19. CONCLUSIONS COVID-19-associated conjunctivitis is rare in the elderly and strongly associated with a history of smoking. It often occurs in the early stages of infection, and while hyperemia is recognized as a clinical symptom, other ocular symptoms are rare or non-existent. Many cases recover within a short time.
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Affiliation(s)
- Asahi Tajima
- Department of Ophthalmology, Saga Medical Centre Koseikan, 400 Nakahara Kase Town, Saga City, 840-8571, Japan
- Department of Ophthalmology, Graduate School of Medicine, Saga University, Saga City, Japan
| | - Yukio Sassa
- Department of Ophthalmology, Saga Medical Centre Koseikan, 400 Nakahara Kase Town, Saga City, 840-8571, Japan.
| | - Daiki Ishio
- Department of Ophthalmology, Graduate School of Medicine, Kurume University, Kurume City, Japan
| | - Shota Yamashita
- Department of Ophthalmology, Saga Medical Centre Koseikan, 400 Nakahara Kase Town, Saga City, 840-8571, Japan
- Department of Ophthalmology, Graduate School of Medicine, Saga University, Saga City, Japan
| | - Eiji Sadashima
- Department of Medical Research Institute, Saga Prefectural Medical Centre Koseikan, Saga City, Japan
| | - Rikki Arai
- Department of Ophthalmology, Graduate School of Medicine, Kurume University, Kurume City, Japan
| | - Kentaro Iwanaga
- Department of Respiratory Medicine, Saga Prefectural Medical Centre Koseikan, Saga City, Japan
| | - Shigeo Yoshida
- Department of Ophthalmology, Graduate School of Medicine, Kurume University, Kurume City, Japan
| | - Koh-Hei Sonoda
- Department of Ophthalmology, Graduate School of Medicine, Kyushu University, Fukuoka City, Japan
| | - Hiroshi Enaida
- Department of Ophthalmology, Graduate School of Medicine, Saga University, Saga City, Japan
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Srivastav S, Singh S. Chalazion and refractive errors: Cause or effect relationship. Indian J Ophthalmol 2023; 71:2299-2300. [PMID: 37202983 PMCID: PMC10391417 DOI: 10.4103/ijo.ijo_3344_22] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 05/20/2023] Open
Affiliation(s)
- Saumya Srivastav
- Ophthalmic Plastic Surgery Services, L. V. Prasad Eye Institute, Hyderabad, Telangana, India
| | - Swati Singh
- Ophthalmic Plastic Surgery Services, L. V. Prasad Eye Institute, Hyderabad, Telangana, India
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Karimi S, Nouri H, Mahmoudinejad-Azar S, Abtahi SH. Smoking and environmental tobacco smoke exposure: implications in ocular disorders. Cutan Ocul Toxicol 2023; 42:1-7. [PMID: 36369835 DOI: 10.1080/15569527.2022.2144874] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/14/2022]
Abstract
PURPOSE This article aims to gather and review the available knowledge on several implications of smoking and environmental tobacco smoke (ETS) exposure in ocular disorders and provides pathomechanistic insights where applicable. MATERIALS AND METHODS PubMed and Scopus databases were searched for relevant studies on the association of smoking and ETS exposure with various ocular disorders. Studies with different evidence levels, e.g., in-vivo, case-control, cohort, and meta-analysis, were included. RESULTS Smoking is an established, modifiable risk factor in several ocular diseases, including cataract, age-related macular degeneration, and Graves' ophthalmopathy; smokers are subject to more severe disease courses and less favorable treatment outcomes. Uveitis is twice as likely in smokers; smoking may also delay its resolution. Smoking and ETS exposure are major risk factors for diseases of other organs, with associated ocular complications as well, such as diabetes mellitus. ETS exposure is also associated with ocular surface pathologies, including dry eye syndrome. In children, early-life ETS exposure and maternal smoking during pregnancy are strongly associated with refractive errors and strabismus. Currently, available data on potential risks attributable to ETS exposure regarding ocular diseases are scarce and, in some instances, controversial. CONCLUSION In addition to smoking, ETS exposure is also a significant public health concern with possible links to several ocular diseases. However, the level of education of at-risk populations in this regard does not match the strength of the evidence.
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Affiliation(s)
- Saeed Karimi
- Ophthalmic Research Center, Research Institute for Ophthalmology and Vision Science, Shahid Beheshti University of Medical Sciences, Tehran, Iran
- Department of Ophthalmology, Torfe Medical Center, Shahid Beheshti University of Medical Sciences, Tehran, Iran
- Clinical Research Development Unit of Torfe Medical Center, Shahid Beheshti University of Medical Sciences, Tehran, Iran
| | - Hosein Nouri
- Ophthalmic Research Center, Research Institute for Ophthalmology and Vision Science, Shahid Beheshti University of Medical Sciences, Tehran, Iran
- School of Medicine, Isfahan University of Medical Sciences, Isfahan, Iran
- Network of Immunity in Infection, Malignancy, and Autoimmunity (NIIMA), Universal Scientific Education and Research Network (USERN), Isfahan, Iran
| | - Sahar Mahmoudinejad-Azar
- Ophthalmic Research Center, Research Institute for Ophthalmology and Vision Science, Shahid Beheshti University of Medical Sciences, Tehran, Iran
- Clinical Research Development Unit of Torfe Medical Center, Shahid Beheshti University of Medical Sciences, Tehran, Iran
| | - Seyed-Hossein Abtahi
- Ophthalmic Research Center, Research Institute for Ophthalmology and Vision Science, Shahid Beheshti University of Medical Sciences, Tehran, Iran
- Department of Ophthalmology, Torfe Medical Center, Shahid Beheshti University of Medical Sciences, Tehran, Iran
- Clinical Research Development Unit of Torfe Medical Center, Shahid Beheshti University of Medical Sciences, Tehran, Iran
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Therapeutic Efficacy and Safety of Intense Pulsed Light for Refractive Multiple Recurrent Chalazia. J Clin Med 2022; 11:jcm11185338. [PMID: 36142985 PMCID: PMC9504361 DOI: 10.3390/jcm11185338] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/27/2022] [Revised: 09/02/2022] [Accepted: 09/07/2022] [Indexed: 11/28/2022] Open
Abstract
To evaluate the efficacy and safety of intense pulsed light (IPL) combined with meibomian gland expression (MGX) for the treatment of refractory multiple and recurrent chalazia without surgery or curettage. This was a retrospective controlled study. Patients with multiple and recurrent chalazia, who had performed the conventional treatment at least 2 months without any surgery or curettage, were enrolled in this study. Twenty-nine consecutive multiple recurrent chalazia (12 patients) were assigned to receive either the combination of IPL and MGX or MGX alone as a control. Each eye underwent one to four treatment sessions with 2-week intervals. Parameters were evaluated before and 1 month after the final treatment session. Clinical assessments included symptom, size of each chalazion, lid margin abnormalities, corneal and conjunctival fluorescein staining, meibum grade, the number of Demodex mites, the Schirmer value and meiboscore. All parameters except meiboscore and the Schirmer value were significantly improved with IPL-MGX therapy, whereas only meibum grade was significantly improved with MGX alone. There were no adverse events which occurred in either group. IPL-MGX was safe and effective for multiple and recurrent chalazia without surgery or curettage by reducing the size of chalazion and improving lid margin abnormalities and meibum grade.
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