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PREVALENCE AND RISK FACTORS OF AGE-RELATED MACULAR DEGENERATION FEATURES AMONG PILOTS. Retina 2024; 44:475-486. [PMID: 37973043 DOI: 10.1097/iae.0000000000003976] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/24/2022] [Accepted: 10/21/2023] [Indexed: 11/19/2023]
Abstract
PURPOSE To investigate the prevalence and risk factors of age-related macular degeneration features among pilots of Republic of Korea Air Force. METHODS This retrospective, cross-sectional study was performed with a total of 2781 Republic of Korea Air Force pilots who underwent regular medical examinations between 2020 and 2021. Age-related macular degeneration features were determined and graded by fundus photographs. Risk factors were identified with logistic regression analysis in odds ratio (OR) and 95% confidence interval (CI). RESULTS The prevalence was 12.9% in the Republic of Korea Air Force pilots and 35.2% in those older than 50 years. Pilots with age-related macular degeneration features were positively associated with age (OR: 1.082, CI: 1.067-1.096, P < 0.001), male sex (OR: 0.229, CI: 0.056-0.939, P = 0.041), smoking (OR: 1.027, CI: 1.008-1.047, P = 0.006), flight time (OR: 1.004, CI: 1.003-1.005, P < 0.001), total cholesterol (OR: 1.004, CI: 1.000-1.007, P = 0.033), and low-density lipoprotein (OR: 1.005, CI: 1.001-1.008, P = 0.011). Aircraft type was also identified as a risk factor (OR: 0.617, CI: 0.460-0.827 for carrier, OR: 0.572, CI: 0.348-0.940 for helicopter, P = 0.002), with fighter pilots having a higher risk than carrier and helicopter pilots. The results were similar for pilots older than 50 years. CONCLUSION The prevalence of age-related macular degeneration features in Republic of Korea Air Force pilots was higher than in other general populations studied. Identified risk factors such as flight time and aircraft type suggest potential occupational risk of age-related macular degeneration in aviators.
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Comparison of the Incidence of Nd:YAG Laser Capsulotomy Based on the Type of Intraocular Lens. MEDICINA (KAUNAS, LITHUANIA) 2023; 59:2173. [PMID: 38138276 PMCID: PMC10744545 DOI: 10.3390/medicina59122173] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/20/2023] [Revised: 12/07/2023] [Accepted: 12/13/2023] [Indexed: 12/24/2023]
Abstract
Background and Objectives: Posterior capsular opacification (PCO) is the most common long-term complication of successful cataract surgery and can cause visual impairment. We aimed to investigate the effects of intraocular lens (IOL) characteristics on PCO by comparing the incidence of neodymium-doped yttrium aluminum garnet (Nd:YAG) laser capsulotomy for different types of intraocular lenses. Materials and Methods: A retrospective analysis was performed on 2866 eyes that underwent cataract surgery between January 2010 and December 2017, with at least 5 years of follow-up. The IOLs used for surgery were the hydrophobic lenses SN60WF (Alcon, Fort Worth, TX, USA), ZCB00 (Johnson & Johnson Vision, Santa Ana, CA, USA), and MX60 (Bausch & Lomb, Rochester, NY, USA), and the hydrophilic lens MI60 (Bausch & Lomb, Rochester, NY, USA). We analyzed the incidence of Nd:YAG laser capsulotomy according to the type of IOL used. Results: The incidence of Nd:YAG laser capsulotomy was significantly higher with MI60 lenses (31.70%, 175/552 eyes) compared to SN60WF (7.90%, 113/1431 eyes), ZCB00 (10.06%, 64/636 eyes), and MX60 (10.57%, 13/123 eyes; p < 0.001) lenses. The incidence of Nd:YAG laser capsulotomy was significantly lower with the hydrophobic IOLs (8.68%, 190/2190 eyes) than with the hydrophilic IOL (31.70%, 175/552 eyes; p < 0.001). Over time, the rate of increase in the cumulative number of Nd:YAG laser capsulotomy cases was the highest with MI60. The cumulative rate of Nd:YAG laser capsulotomy during the first 3 years was 4.90% with SN60WF (70/1431 eyes), 6.76% with ZCB00 (43/636 eyes), 8.94% with MX60 (11/123 eyes), and 26.10% with MI60 (144/552 eyes) lenses. Conclusions: The incidence of PCO is influenced by the material of the IOLs. The hydrophilic IOL was associated with a higher rate of Nd:YAG laser capsulotomy than the hydrophobic IOLs, with a shorter time to Nd:YAG laser capsulotomy.
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Menopausal hormone therapy and the risk of cataracts in postmenopausal women in South Korea. Ophthalmic Physiol Opt 2023; 43:254-262. [PMID: 36609995 DOI: 10.1111/opo.13089] [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: 07/18/2022] [Revised: 12/23/2022] [Accepted: 12/26/2022] [Indexed: 01/09/2023]
Abstract
PURPOSE Postmenopausal women have a higher prevalence of cataracts than men of a similar age. This study aimed to evaluate the effects of menopausal hormone therapy (MHT) on lens opacities in postmenopausal women. METHODS This retrospective cohort study analysed population-based health insurance data in South Korea collected from 2002 to 2019. To determine the risk factors associated with cataract, postmenopausal women (N = 2,506,271) were grouped according to post-MHT use. The treatment group was further divided into the following subgroups: tibolone, combined oestrogen plus progestin by manufacturer, oral oestrogen, combined oestrogen plus progestin by physician and topical oestrogen groups. The main outcome measure was the prevalence of cataracts. RESULTS The control group comprised 463,151 postmenopausal women who had never used MHT after menopause, while the treatment group included 228,033 postmenopausal women who had used MHT continuously for at least 6 months. The treatment group had a higher incidence of cataracts than the control group based on Cox proportional hazards ratio analysis. Low socioeconomic status and high parity were identified as risk factors for cataracts, and reduced risk of cataracts was associated with living in rural areas and drinking alcohol. CONCLUSIONS Women undergoing post-MHT, including tibolone, had a higher incidence of cataracts. Cataract development should be a concern when examining postmenopausal patients using MHT.
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Corneal Graft Rejection after Vaccination against COVID-19: A Case Report. KOREAN JOURNAL OF OPHTHALMOLOGY 2023; 37:85-87. [PMID: 36281573 PMCID: PMC9935065 DOI: 10.3341/kjo.2022.0105] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/10/2022] [Accepted: 10/13/2022] [Indexed: 11/23/2022] Open
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Hyperacute iris neovascularization following cataract surgery. Medicine (Baltimore) 2022; 101:e29356. [PMID: 35801772 PMCID: PMC9259162 DOI: 10.1097/md.0000000000029356] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 01/04/2023] Open
Abstract
RATIONALE We describe a case of acute neovascularization of the iris after uneventful cataract surgery. PATIENT CONCERNS A 78-year-old man visited our clinic for cataract surgery and glaucoma management. DIAGNOSES The patient underwent bilateral laser iridotomy 4 years ago. On ocular examination, the best-corrected visual acuity was no light perception in the right eye and 20/100 in the left eye. We observed pseudophakic bullous keratopathy in the right eye and cataracts and hemicentral retinal vein occlusion (CRVO) in the left eye. INTERVENTIONS The patient underwent cataract surgery in the left eye without complications. OUTCOMES The day after surgery we observed 360° of neovascularization in the iris and aggravated hemi-CRVO with macular edema. Therefore, we administered intravitreal bevacizumab in the left eye, after which the iris neovascularization and macular edema improved. LESSONS Cataract surgery can rapidly aggravate hemi-CRVO and cause iris neovascularization, which is responsive to bevacizumab.
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Atypical Cogan’s Syndrome with Choroidal Effusion: A Case Report. Case Rep Ophthalmol 2022; 13:336-340. [PMID: 35702655 PMCID: PMC9149549 DOI: 10.1159/000524540] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/19/2022] [Accepted: 04/07/2022] [Indexed: 11/21/2022] Open
Abstract
Cogan's syndrome is a rare form of autoimmune vasculitis that manifests with ocular and audiovestibular symptoms. The clinical presentations of Cogan's syndrome can be classified as typical and atypical, and the auditory symptoms are classically similar to those seen in cases of Meniere's syndrome. Without treatment, Cogan's syndrome could become severe, resulting in sensorineural hearing loss in over 50% of patients. This report describes a rare case of uncontrolled intraocular pressure and choroidal effusion in a patient with atypical Cogan's syndrome. A 51-year-old woman was referred to our clinic on account of bilateral distortion of visual acuity and ocular pain following admission to the internal medicine department for bilateral hearing loss, acute renal failure, and fever. Upon ocular examination, we observed bilateral 2–3+ cells in the anterior chamber and closed-angle glaucoma, and choroidal effusion in the right eye. The intraocular pressure could not be controlled with topical and systemic medications, and a bilateral valve implant surgery was performed subsequently. Two weeks later, after systemic corticosteroid therapy, the choroidal effusion resolved. Cogan's syndrome can provoke angle-closure glaucoma with choroidal effusion in patients with a short axial length and shallow anterior chamber.
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Menopause and the Risk of Developing Age-Related Macular Degeneration in Korean Women. J Clin Med 2022; 11:jcm11071899. [PMID: 35407510 PMCID: PMC8999594 DOI: 10.3390/jcm11071899] [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: 02/28/2022] [Revised: 03/21/2022] [Accepted: 03/28/2022] [Indexed: 12/02/2022] Open
Abstract
Previous studies have shown that menopausal hormone therapy in postmenopausal women results in a higher prevalence of age-related macular degeneration. This study aimed to evaluate the effects of menopause and patient factors on the development of age-related macular degeneration in Korean women. Data between 2011 and 2014 were collected from the Korean National Health Insurance database. In this retrospective cohort study, 97,651 participants were premenopausal and 33,598 were menopausal. Participants were divided into menopausal and premenopausal groups to analyze the risk factors associated with the development of age-related macular degeneration. The prevalence of age-related macular degeneration was compared between the two groups. Other patient factors were also analyzed. Using a 1:1 propensity score matching method and adjusting for variables, the incidence of age-related macular degeneration was not significantly different between the two groups. Age and diabetes mellitus were associated with an increased risk of developing age-related macular degeneration, regardless of menopause. Menopause was not a risk factor for age-related macular degeneration. These findings may help physicians identify women with diabetes who are at a greater risk of developing age-related macular degeneration.
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Choroidal Effusion following Intravitreal Brolucizumab Injection: A Case Report. Case Rep Ophthalmol 2022; 13:166-171. [PMID: 35611023 PMCID: PMC9082156 DOI: 10.1159/000522531] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/13/2022] [Accepted: 02/05/2022] [Indexed: 11/19/2022] Open
Abstract
This report describes a case of choroidal effusion after intravitreal brolucizumab injection for wet age-related macular degeneration (AMD). A 71-year-old Korean man with a history of wet AMD visited our clinic. On examination, the best-corrected distance visual acuity (BCVA) was 20/200 in the right eye. Fundus photography and optical coherence tomography showed wet AMD in the right eye. The patient showed no improvement while undergoing treatment with anti-vascular endothelial growth factor therapy (aflibercept, 6 times; ranibizumab, 5 times; and bevacizumab 3 times). We administered intravitreal brolucizumab injections in the right eye of the patient. After first brolucizumab injection, the BCVA improved from 20/200 to 20/63 in the right eye. Two months after the intravitreal brolucizumab injection, recurrence of wet AMD and deterioration of the BCVA to 20/200 was observed on the right eye. The patient underwent a second intravitreal brolucizumab injection in the right eye in the same manner. Three days after the second brolucizumab injection, choroidal effusion was observed in the right eye. The choroidal effusion resolved completely 12 days after the injection, without any additional treatment. Intravitreal brolucizumab injection may provoke choroidal effusion. Although it may resolve promptly, short-term follow-up fundus examinations may be necessary for the early diagnosis and treatment of this complication.
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Uveitis after COVID-19 Vaccination. Case Rep Ophthalmol 2022; 13:124-127. [PMID: 35431883 PMCID: PMC8958598 DOI: 10.1159/000521785] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/23/2021] [Accepted: 12/30/2021] [Indexed: 12/01/2022] Open
Abstract
This report describes a case of acute uveitis following COVID-19 vaccination. A 21-year-old patient was referred to our department for decreased visual acuity and injection of the left eye. Two days prior, the patient received her second dose of the severe acute respiratory syndrome coronavirus 2 vaccine (BNT162b2, Pfizer-BioNTech). On ocular examination, her left eye's best-corrected visual acuity was 20/250, and its intraocular pressure was 16 mm Hg on a noncontact tonometer. Hypopyon, 4+ cells, and flares were observed in the anterior chamber. The patient was diagnosed with acute uveitis. She received topical dexamethasone (0.1%) hourly and systemic prednisone (50 mg/day). After 7 days, her inflammatory symptoms were mostly resolved. COVID-19 vaccination can cause acute anterior uveitis, which is responsive to steroids.
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Massive Serous Retinal Detachment and Acute Intraoperative Rock-hard Eye Syndrome after Cataract Surgery: A Case Report. KOREAN JOURNAL OF OPHTHALMOLOGY 2022; 36:83-85. [PMID: 35172084 PMCID: PMC8849994 DOI: 10.3341/kjo.2021.0056] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/15/2021] [Accepted: 11/29/2021] [Indexed: 11/23/2022] Open
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Scheimpflug Topography Oriented Adequate Repositioning of a Misaligned Free Flap after Laser in situ Keratomileusis. Case Rep Ophthalmol 2021; 12:889-893. [PMID: 34950016 PMCID: PMC8647135 DOI: 10.1159/000519052] [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: 05/25/2021] [Accepted: 08/10/2021] [Indexed: 11/19/2022] Open
Abstract
This report describes a case of Scheimpflug topography oriented adequate repositioning of a misaligned thick free flap after laser in situ keratomileusis (LASIK). A 24-year-old patient consulted for irregular astigmatism and disoriented free right eye flap. The patient previously underwent binocular LASIK at a private clinic. During the right eye surgery, the flap was repositioned after laser ablation due to the free flap. The free flap was not repositioned to its original configuration due to insufficient preoperative corneal marking. On examination, the uncorrected visual acuity was 0.4, and refractive power was +2.00 Dsph with −4.25 Dcyl axis 66 in the right eye. Scheimpflug topography revealed irregular right eye astigmatism. The sagittal curvature of topography showed a 40° counterclockwise misalignment of the steep axis of the cornea. The free flap was repositioned by 40° clockwise rotation. After this, the refractive corneal power improved to −1.00 Dsph with −1.00 Dcyl Axis 19 in the right eye. The uncorrected and best-corrected visual acuity improved to 20/30 and 20/25 (x − 0.25Dsph −1.25 Dcyl A20), respectively. This is the first report on free flap repositioning using Scheimpflug topography. As proper flap positioning was compromised because of the free LASIK flap with no preoperative corneal marking, the flap was effectively repositioned using Scheimpflug topography.
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Changes in Retinal Circulation Time after Panretinal Photocoagulation in Patients with Nonproliferative and Proliferative Diabetic Retinopathy. JOURNAL OF THE KOREAN OPHTHALMOLOGICAL SOCIETY 2021. [DOI: 10.3341/jkos.2021.62.4.507] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/23/2022]
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Low-dose CT angiography of the lower extremities: a comparison study of image quality and radiation dose. Clin Radiol 2020; 76:156.e19-156.e26. [PMID: 33256975 DOI: 10.1016/j.crad.2020.10.013] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/23/2020] [Accepted: 10/28/2020] [Indexed: 01/22/2023]
Abstract
AIM To investigate the image quality and radiation dose of ultralow-dose (ULD) and low-dose (LD) lower-extremity computed tomography (CT) angiography (LE-CTA) using the advanced modelled iterative reconstruction (ADMIRE) algorithm to detect peripheral arterial disease (PAD) in comparison with standard-dose (SD) CT. MATERIALS AND METHODS One hundred and seven consecutive patients were examined using LE-CTA at 70 kVp and a dual-source scanner to achieve three image sets using 30% (ULD), 70% (LD), and 100% (SD) tube loads. Qualitative analysis was conducted by examining the three image sets for overall quality. The image quality of arterial segments was analysed by two independent readers. In addition, the CT dose index (CTDIvol) was measured in the three image sets. RESULTS The mean overall quality scores were 3.4±0.6 for ULD CT, 3.9±0.3 for LD CT, and 3.9±0.2 for SD CT. Both readers scored the arterial segments as 2-4 (adequate-excellent) in the three image sets. In addition, 89.4% (93/104) and 54.8% (57/104) segments of PAD with calcified plaques were scored 4 between SD and LD CT and between SD and ULD CT, respectively, and 45.2% (47/104) segments had a lower score by one point in ULD CT compared with SD CT. The mean CTDIvol was 4.1±1.1 mGy for SD CT, 2.9±0.8 mGy for LD CT, and 1.2±0.3 mGy for ULD CT. CONCLUSIONS LD/ULD CT at 70 kVp using ADMIRE reconstruction enables a reduction in the radiation dose while enabling adequate evaluation or follow-up of PAD based on LE-CTA.
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Intravitreal Voriconazole for Treatment of Bilateral Endogenous Candida Chorioretinitis. Case Rep Ophthalmol 2020; 11:402-410. [PMID: 32999668 PMCID: PMC7506273 DOI: 10.1159/000508912] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/01/2020] [Accepted: 05/25/2020] [Indexed: 11/19/2022] Open
Abstract
This report describes a patient with bilateral endogenous candida chorioretinitis. The patient had a 2-day history of bilateral blurred vision. Fundus photography revealed multiple chorioretinal infiltrations in both eyes and a parafoveal hemorrhage in the left eye. After 2 days, fundus examination showed an increased number of infiltrations and hemorrhages in both eyes and worsening vitreous inflammation. A large infiltrative intraretinal lesion and a retinal hemorrhage of the left eye were discovered on optical coherence tomography. <i>Candida albicans</i> was diagnosed from blood culture. The bilateral candida chorioretinitis had not responded to systemic or topical antifungal medication. The chorioretinitis was refractory to intravitreal amphotericin B as well. Intravitreal voriconazole injection in both eyes and intravitreal bevacizumab injection in the left eye were performed thereafter. The chorioretinal infiltrations and hemorrhages decreased in both eyes. Intravitreal voriconazole injection was effective in the treatment of intractable candida chorioretinitis.
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Intravitreal Bevacizumab for Inflammatory Neovascularization of the Lens after Traumatic Open Globe Injury. Ocul Immunol Inflamm 2020; 28:699-702. [PMID: 31268802 DOI: 10.1080/09273948.2019.1609048] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/26/2022]
Abstract
To describe a case of inflammatory neovascularization of the lens after open globe injury. Case report. A 57-year-old man presented with severe inflammation, posterior synechiae with traumatic cataract, and thick neovascularization of the intralenticular and anterior lens capsule after open globe injury in the left eye. We administered an intravitreal bevacizumab injection and performed cataract surgery with synechiolysis 1 month later. Inflammation after open globe injury may present as intralenticular neovascularization. Before cataract surgery for traumatic cataract with intralenticular neovascularization, the use of intravitreal bevacizumab injection was ineffective.
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Clinical Efficacy of the Spot Vision Screener for Measuring Refraction andDetecting Strabismus in Children. JOURNAL OF THE KOREAN OPHTHALMOLOGICAL SOCIETY 2020. [DOI: 10.3341/jkos.2020.61.4.412] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/23/2022]
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Changes in inner retinal layer thickness in patients with exudative age-related macular degeneration during treatment with anti-vascular endothelial growth factor. Medicine (Baltimore) 2020; 99:e19955. [PMID: 32332680 PMCID: PMC7220743 DOI: 10.1097/md.0000000000019955] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/26/2022] Open
Abstract
The aim of this study was to identify any changes that occur in the retinal nerve fiber layer (RNFL) and ganglion cell-inner plexiform layer (GC-IPL) in patients with exudative age-related macular degeneration (AMD) during treatment with anti-vascular endothelial growth factor (VEGF) injections.Patients were enrolled in this retrospective study if they had exudative AMD, had received at least 3 injections of ranibizumab or aflibercept, and had a minimum of 12 months of follow-up. We analyzed the changes in the RNFL and GC-IPL using spectral-domain optical coherence tomography in rescan mode.Fifty-two eyes of 52 patients who had been treated with repeated anti-VEGF injections for exudative AMD were included. At the final visit, there was no significant between-group difference in best-corrected visual acuity or intraocular pressure. There was a significant decrease in central macular thickness in all groups (P < .05). There was a decrease in RNFL thickness that was only statistically significant in the ranibizumab group and when the ranibizumab or aflibercept groups were combined (P = .036 and .044, respectively). The thickness of the GC-IPL layer was significantly decreased in the aflibercept and total group (P = .035 and P = .048, respectively).The thicknesses of the RNFL and GC-IPL decreased in patients with exudative AMD who underwent repeated anti-VEGF injections.
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Assessment of Choroidal Thickness Inside and Outside of Vascular Arcade in Diabetic Retinopathy Eyes Using Spectral-Domain Optical Coherence Tomography. Sci Rep 2019; 9:10780. [PMID: 31346253 PMCID: PMC6658487 DOI: 10.1038/s41598-019-47351-w] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/07/2019] [Accepted: 07/16/2019] [Indexed: 11/25/2022] Open
Abstract
This study aimed to characterise the distribution of choroidal thickness (CT) in diabetic retinopathy eyes, inside and outside of the vascular arcade, as well as at the fovea, using spectral-domain optical coherence tomography (OCT). Forty-nine healthy eyes, 80 diabetic retinopathy (DR) eyes (59 non-proliferative diabetic retinopathy (NPDR) eyes and 21 proliferative diabetic retinopathy (PDR) eyes) were examined with OCT to obtain nine horizontal lines (far superotemporal, near superotemporal, central, near inferotemporal, far inferotemporal, far superonasal, near superonasal, near inferonasal, far inferonasal) inside and outside of the vascular arcade. Nine points were chosen in 0.5-mm intervals to calculate CT, which was measured at 81 points in each patient. In the DR group, CT decreased significantly, compared with the control group, in all nine horizontal lines except central and near inferotemporal (−29.74 to −36.97 μm, p < 0.05 for all). In the PDR group, CT decreased compared with the NPDR group, in all nine horizontal lines (−6.18 μm to −34.58 μm), but this difference was not significant. In DR eyes, an overall significant reduction of CT was observed inside and outside of the vascular arcade; CT showed a non-significant decrease in PDR eyes, compared with NPDR eyes.
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Haptic fracture and dislocation of polyimide intraocular lens after neodymium: YAG laser capsulotomy: A case report. Medicine (Baltimore) 2019; 98:e15720. [PMID: 31096526 PMCID: PMC6531260 DOI: 10.1097/md.0000000000015720] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/03/2022] Open
Abstract
RATIONALE We report a case of haptic fracture of polyimide intraocular lens (IOL) and its dislocation after neodymium:YAG (Nd:YAG) laser capsulotomy. To the best of our knowledge, this is the first report of both the fracture and dislocation of the IOL after laser posterior capsulotomy. PATIENT CONCERNS A 78-year-old male was referred to our clinic with a history of decreased visual acuity after Nd:YAG laser posterior capsulotomy in the right eye. A dislocated IOL was observed on slit lamp examination. DIAGNOSIS On slit-lamp examination, dislocated IOL with intact anterior capsulorrhexis margin was observed in the right eye. INTERVENTIONS We removed the dislocated IOL and fixed a 3-piece IOL (Acrysof MN60AC, Alcon Laboratories, Inc) in the ciliary sulcus under retrobulbar anesthesia. OUTCOMES After the operation, the observed uncorrected distance visual acuity (UCVA) was 20/20 and the measured intraocular pressure (IOP) was 18 mmHg; the IOL was fixed in the ciliary sulcus. LESSONS Three-piece, silicone-polyimide haptics in IOLs can get fractured after Nd:YAG laser capsulotomy. Thus, it is suggested that sufficient haptic dilation should be ensured while performing Nd:YAG laser capsulotomy in patients with polyimide haptics. Moreover, a small-sized capsulotomy is likely to be helpful in such patients.
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Comparison of electroretinographic measurements between tabletop and handheld stimulators in healthy subjects. Doc Ophthalmol 2019; 139:1-9. [PMID: 30887263 DOI: 10.1007/s10633-019-09686-7] [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: 01/03/2019] [Accepted: 03/12/2019] [Indexed: 10/27/2022]
Abstract
PURPOSE To compare full-field electroretinography (ffERG) parameters obtained from handheld and tabletop electroretinography (ERG) devices in normal subjects. METHODS Twenty volunteers underwent ffERG using a tabletop and handheld stimulator. The responses obtained from the right eyes were compared. The coefficient of variation and intraclass correlation coefficient (ICC) were derived to assess inter- and intra-individual reliability. RESULTS The b-wave in the rod response, a- and b-waves in the maximal combined response, a-wave in the cone response, and the 30-Hz flicker response showed significantly greater amplitudes when recorded with the tabletop stimulator than with the handheld stimulator. The implicit time of response (ITR) in the 30-Hz flicker response was longer when recorded with the handheld stimulator than when recorded with the tabletop stimulator. With regard to amplitude, the ICC indicated moderate-to-high reliability in the measurement of the b-wave in the rod response, and a- and b-waves in the maximal combined response. With regard to ITR, measurement of the b-wave in the rod response and a-wave in the maximal combined response showed moderate-to-high reliability. CONCLUSION Despite the significantly lower ERG amplitude measurements recorded by the handheld stimulator, there were no significant differences in variability between the two stimulators.
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Rapid progression of cataract to mature stage after intravitreal dexamethasone implant injection: a case report. BMC Ophthalmol 2019; 19:1. [PMID: 30606142 PMCID: PMC6318997 DOI: 10.1186/s12886-018-1008-7] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/22/2018] [Accepted: 12/10/2018] [Indexed: 11/19/2022] Open
Abstract
Background This study aims to report a case of rapid progression of cataract to mature stage after intravitreal dexamethasone implantation for macular edema due to branch retinal vein occlusion. Case presentation A 59-year-old Korean male with complaints of sudden metamorphopsia and reduced visual acuity for three days in the left eye was referred to our clinic. Ophthalmological investigations included fundus photography, fluorescein angiography, and optical coherence tomography. In the left eye, branch retinal vein occlusion with macular edema was observed. We performed intravitreal dexamethasone implantation in the left eye three times within a period of one year. One week after the third intravitreal dexamethasone implantation, grade 1 posterior subcapsular opacity and raised intraocular pressure were observed in the left eye. Three weeks later, mature cataract was observed in the left eye. We performed cataract surgery along with intravitreal ranibizumab injection in the left eye. The procedure was uneventful, and the visual acuity improved postoperatively. Conclusions Posterior subcapsular cataract developed due to intravitreal dexamethasone implantation can progress rapidly to mature stage. Therefore, short-term follow-up examinations may be necessary for early diagnosis and treatment of this complication.
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Matrix Metalloproteinase 9 Point-of-Care Immunoassay Result Predicts Response to Topical Cyclosporine Treatment in Dry Eye Disease. Transl Vis Sci Technol 2018; 7:31. [PMID: 30386683 PMCID: PMC6205558 DOI: 10.1167/tvst.7.5.31] [Citation(s) in RCA: 36] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/11/2018] [Accepted: 09/09/2018] [Indexed: 12/12/2022] Open
Abstract
Purpose We evaluate a matrix metalloproteinase-9 (MMP-9) point-of-care immunoassay (InflammaDry) as a prognostic tool for topical cyclosporine treatment. Methods A total of 20 healthy subjects and 40 patients meeting >3 dry eye disease (DED) criteria (ocular surface disease index [OSDI] score ≥ 12, tear film breakup time [TBUT] ≤10 seconds, Schirmer I test result ≤10 mm/5 minutes, corneal staining ≥1) were included. DED patients were treated with topical cyclosporine ophthalmic emulsion 0.05% twice daily for 1 month. The InflammaDry test was used to grade MMP-9 levels in the tear film. Treatment response was monitored using the OSDI score, TBUT, and Schirmer, corneal staining, and InflammaDry tests. Results Of the eyes, 18 (22.5%) were negative, 29 (36.3%) trace-positive, 16 (20.0%) weak-positive, 11 (13.8%) positive, and six (7.5%) strong-positive for MMP-9 at baseline. MMP-9 levels correlated with OSDI (P = 0.049), TBUT (P = 0.001), corneal staining (P = 0.002), and Schirmer test (P = 0.027) results. MMP-9–positive patients displayed decreased post-treatment MMP-9 levels (P = 0.001) and corneal staining score (P < 0.001), improved OSDI score (P < 0.001), and increased TBUT (P < 0.001) and Schirmer (P = 0.009) test values. Conclusions Semiquantitative MMP-9 grading correlated well with DED symptoms and signs, and could be used to predict patient status and monitor treatment response. MMP-9–positive patients responded more favorably to topical cyclosporine than did MMP-9–negative patients. Thus, the InflammaDry test may inform decisions regarding initiating topical cyclosporine treatment. Translational Relevance Semiquantitative MMP-9 could be used to predict patient status and monitor treatment response.
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Assoziation von muskuloskelettaler Einschränkung mit Betazell-Dysfunktion bei Patienten mit Typ-2-Diabetes und Arthrose. DIABETOL STOFFWECHS 2018. [DOI: 10.1055/s-0038-1641874] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/28/2022]
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Reduzierte Stearoyl-CoA-Desaturase-1 und hormonsensitive Lipase-Genexpression im oberflächlichen subkutanen Fettgewebe bei männlichen, aber nicht weiblichen Patienten mit Typ-2-Diabetes. DIABETOL STOFFWECHS 2018. [DOI: 10.1055/s-0038-1641829] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/28/2022]
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The association between serum uric acid and asymptomatic intracranial arterial stenosis in middle-aged Koreans. Nutr Metab Cardiovasc Dis 2018; 28:14-22. [PMID: 29191476 DOI: 10.1016/j.numecd.2017.10.019] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 07/05/2017] [Revised: 09/07/2017] [Accepted: 10/17/2017] [Indexed: 12/27/2022]
Abstract
BACKGROUND AND AIMS Intracranial arterial stenosis (ICAS) is one of the most common causes of stroke, especially in Asians. Hyperuricemia has been associated with an increased risk of comorbidities such as metabolic syndrome or cardiovascular diseases. However, there are few studies focusing on the association between serum uric acid (SUA) levels and asymptomatic ICAS. The aim of this study was to explore the association between SUA and the prevalence of ICAS in middle-aged Korean health screening examinees. METHODS AND RESULTS A cross-sectional study was performed on 9417 males and 7755 females who underwent a comprehensive health examination including transcranial Doppler (TCD) ultrasonography. The association of SUA and ICAS was analyzed using multivariate logistic regression. The prevalence of ICAS among the total examinee population was 3.55%. In females, the multivariate-adjusted odds ratio for ICAS was 1.52 (confidence interval 1.13-2.04) in the 3rd quartile of SUA and 1.45 (1.05-2.00) in the highest quartile, compared to the reference (P for trend 0.008). This trend was evident in all clinically relevant subgroups evaluated, including women with low inflammation status. SUA was not significantly associated with the prevalence of ICAS among males. In a sensitivity analysis, the multivariate-adjusted odds ratio of middle cerebral artery stenosis in females was 1.60 (1.09-2.37) in the highest quartile compared to the reference (P for trend 0.023). CONCLUSIONS Higher SUA level was associated with increased risk of ICAS among middle-aged females but not males. A further cohort study is warranted to elucidate the effect of SUA on asymptomatic ICAS.
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Choroidal Thickness In and Outside of Vascular Arcade in Healthy Eyes Using Spectral-Domain Optical Coherence Tomography. Invest Ophthalmol Vis Sci 2017; 58:5827-5837. [PMID: 29131902 DOI: 10.1167/iovs.17-22581] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/24/2022] Open
Abstract
Purpose To study the distribution of choroidal thickness (CT) in and outside of the vascular arcade, as well as at the fovea in healthy eyes using spectral-domain optical coherence tomography (OCT). Methods Seventy healthy eyes were examined with OCT to obtain nine horizontal lines in and outside of the vascular arcade. Nine points including the central point of the line were chosen in 0.5-mm intervals to calculate CT. CT was measured at a total of 81 points in each patient to construct a map of CT distribution. Results Average subfoveal CT showed a significant relationship with age (P < 0.001) and axial length (P = 0.001). In all nine horizontal lines, CT showed a rough trend of being thickest at a particular point and decreasing thereafter. The aspect of CT distribution was different among the nine horizontal lines (P < 0.001), and the near superotemporal line displayed the thickest choroid among the lines. The difference of the trend between temporal vertical lines was significant as well (P < 0.001). Conclusions The CT generally decreased with age, but it decreased much faster in old age than in relatively younger people. CT displayed large variations among different points in and outside of the vascular arcade. The thickest choroid was located at the point superior to the fovea, not the fovea itself. Such physiological variations should be considered when interpreting pathologic changes of the choroid.
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Outbreak of Burkholderia cepacia pseudobacteraemia caused by intrinsically contaminated commercial 0.5% chlorhexidine solution in neonatal intensive care units. J Hosp Infect 2017; 98:295-299. [PMID: 28935523 DOI: 10.1016/j.jhin.2017.09.012] [Citation(s) in RCA: 26] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/27/2017] [Accepted: 09/13/2017] [Indexed: 12/20/2022]
Abstract
BACKGROUND Burkholderia cepacia is intrinsically resistant to certain antiseptics. The authors noted a sudden increase in the frequency of isolation of B. cepacia from blood cultures in a neonatal intensive care unit (NICU) of a university-affiliated hospital. AIM To identify the source and intervene in the ongoing infections. METHODS The cases were defined as patients with positive blood cultures for B. cepacia in an NICU between November 2014 and January 2015. Medical records were reviewed and NICU healthcare workers were interviewed. Samples of suspected antiseptics, blood culture bottles, cotton balls, gauze and a needle used in the NICU were analysed microbiologically. FINDINGS During the outbreak period, B. cepacia was identified in 25 blood cultures obtained from 21 patients. The clinical features of the patients were suggestive of pseudobacteraemia. Regarding environmental samples, B. cepacia was cultured from 0.5% chlorhexidine gluconate (CHG) solution products that had been used as a skin antiseptic during blood drawing in the NICU. The clinical B. cepacia isolate and two strains obtained from 0.5% CHG exhibited identical pulsed-field gel electrophoresis patterns. After the CHG products were withdrawn, the outbreak was resolved. CONCLUSIONS The pseudobacteraemia cases were caused by contaminated 0.5% CHG produced by a single manufacturer. Stricter government regulation is needed to prevent contamination of disinfectants during manufacturing. In addition, microbial contamination of antiseptics and disinfectants should be suspected when a B. cepacia outbreak occurs in hospitalized patients.
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Effects of cell death-inducing DFF45-like effector B on meat quality traits in Berkshire pigs. GENETICS AND MOLECULAR RESEARCH 2017; 16:gmr-16-02-gmr.16029408. [PMID: 28549200 DOI: 10.4238/gmr16029408] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/03/2022]
Abstract
Cell death-inducing DFF45-like effector (CIDE) B is a member of the CIDE family of apoptosis-inducing factors. In the present study, we detected a single nucleotide polymorphism (SNP), c.414G>A, which corresponds to the synonymous SNP 414Arg, in CIDE-B in the Berkshire pigs. We also analyzed the relationships between the CIDE-B SNP and various meat quality traits. The SNP was significantly associated with post-mortem pH24h, water-holding capacity (WHC), fat content, protein content, drip loss, post-mortem temperature at 12 h (T12) and 24 h (T24) in a co-dominant model (P < 0.05). A significant association was detected between the SNP and post-mortem pH24h, fat content, protein content, drip loss, shear force, and T24 in gilts; and color parameter b*, WHC, and T24 in barrows (P < 0.05). The SNP was significantly correlated with the fat content, and CIDE-B mRNA expression was significantly upregulated during the early stage of adipogenesis, suggesting that CIDE-B may contribute towards initiation of adipogenesis (P < 0.05). Furthermore, CIDE-B mRNA was strongly expressed in the liver, kidney, large intestine, and small intestine, and weakly expressed in the stomach, lung, spleen, and white adipose tissue. These results indicate that the CIDE-B SNP is closely associated with meat quality traits and may be a useful DNA marker for improving pork quality.
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Effekte der Inkretin- und Glukagon-Sekretion auf den hepatischen Energiestoffwechsel bei Adipositas und Typ-2-Diabetes. DIABETOL STOFFWECHS 2017. [DOI: 10.1055/s-0037-1601613] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/19/2022]
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Method of breast reconstruction and the development of lymphoedema. Br J Surg 2016; 104:230-237. [DOI: 10.1002/bjs.10397] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/15/2016] [Revised: 05/07/2016] [Accepted: 09/06/2016] [Indexed: 11/11/2022]
Abstract
Abstract
Background
Several studies have demonstrated an association between immediate autologous or implant-based breast reconstruction and a reduced incidence of lymphoedema. However, few of these have ocused specifically on whether the reconstruction method affects the development of lymphoedema. The study evaluated the potential impact of breast reconstruction modality on the incidence of lymphoedema.
Methods
Outcomes of women with breast cancer who underwent mastectomy and immediate reconstruction using an autologous flap or a tissue expander/implant between 2008 and 2013 were reviewed. Arm or hand swelling with pertinent clinical signs of lymphoedema and excess volume compared with those of the contralateral side was diagnosed as lymphoedema. The cumulative incidence of lymphoedema was estimated by the Kaplan–Meier method. Clinicopathological factors associated with the development of lymphoedema were investigated by Cox regression analysis.
Results
A total of 429 reconstructions (214 autologous and 215 tissue expander/implant) were analysed; the mean follow-up of patients was 45·3 months. The two groups had similar characteristics, except that women in the autologous group were older, had a higher BMI, and more often had preoperative radiotherapy than women in the tissue expander/implant group. Overall, the 2-year cumulative incidence of lymphoedema was 6·8 per cent (autologous 4·2 per cent, tissue expander/implant 9·3 per cent). Multivariable analysis demonstrated that autologous reconstruction was associated with a significantly reduced risk of lymphoedema compared with that for tissue expander/implant reconstruction. Axillary dissection, a greater number of dissected lymph nodes and postoperative chemotherapy were also independent risk factors for lymphoedema.
Conclusion
The method of breast reconstruction may affect subsequent development of lymphoedema.
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Association between a non-synonymous HSD17B4 single nucleotide polymorphism and meat-quality traits in Berkshire pigs. GENETICS AND MOLECULAR RESEARCH 2016; 15:gmr-15-gmr15048970. [PMID: 27819726 DOI: 10.4238/gmr15048970] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/03/2022]
Abstract
Single nucleotide polymorphisms (SNPs) are useful genetic markers that allow correlation of genetic sequences with phenotypic traits. It is shown here that HSD17B4, a bifunctional enzyme mediating dehydrogenation and anhydration during β-oxidation of long-chain fatty acids, contains a non-synonymous SNP (nsSNP) of chr2:128,825,976A>G, c.2137A>G, I690V, within the sterol carrier protein-2 domain of the HSD17B4 gene, by RNA-Seq of liver RNA. The HSD17B4 mRNA was highly expressed in the kidney and liver among various other tissues in four pig breeds, namely, Berkshire, Duroc, Landrace, and Yorkshire. The nsSNP was significantly associated with carcass weight, backfat thickness, and drip loss (P < 0.05). Furthermore, HSD17B4 may play a crucial role during the early stages of myogenesis when expression of its mRNA was significantly high. In conclusion, HSD17B4 may serve as a possible regulator of muscle development, and its identification should help to select for improved economic traits of Berkshire pigs such as carcass weight, backfat thickness, and drip loss.
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Abstract
A lymphatic malformation (LM) is the most common form of congenital vascular malformation (CVM). The new Hamburg classification of CVM distinguishes the truncular (T) form from the extratruncular (ET) form of LMs. Both are consequences of a developmental arrest at the different stages of lymphangiogenesis as a result of defective genes. The purpose of this review was to evaluate the current management results of both forms of LMs. A retrospective review of the clinical data of 315 patients with a diagnosis of LMs treated between September 1994 and December 2001 was performed. Lymphoscintigraphy was the most frequent diagnostic test. The patients with the ET form were treated with sclerotherapy with OK-432 and/or ethanol. Combinations of CDP (complex decongestive physiotherapy) and/or compressotherapy were used to treat all the T-form patients. In addition, surgery, either reconstructive or ablative, was offered to patients with the T form who failed to respond to the proper CDP. A multidisciplinary team performed the management of LM, and the results were evaluated every 6 months. Among 797 patients with CVM, 315 were confirmed to have LMs, either as the T form (226) or the ET form (89). Another 66 LMs were diagnosed with hemolymphatic malformations (HLM). Most of the ET forms (89/315) were the cystic type (70/89), while the T forms included aplasia and/or an obstruction (204/226). The ET form was most frequent in the head, neck, and thorax (69/89). The T form was located most frequently to the extremities (202/226), mostly to the lower limb (180/202). Two hundred and twenty-six T forms belonged to the various clinical stages: stages I-32, II-104, III-48, IV-18, and an unclear stage-24. The ET form was treated with sclerotherapy using OK-432 (108/120) and absolute ethanol (12/120). Among the 11 patients with the multiple ET form, 7 patients underwent perioperative sclerotherapy with OK-432 and a subsequent surgical excision. The clinical response of the T form at the extremity to CDP was excellent to good in a majority of clinical stages I to II (121/136) but decreased to a good to fair degree in stages III to IV (31/66). The additional surgical therapy, either reconstructive (10/19) or ablative (9/19), provided limited success in improving CDP efficacy, owing mainly to poor compliance. The long-term outcome of the initial success through self-motivated home-maintenance care during the follow-up period of up to 48 months was totally dependent on patient compliance. OK-432 sclerotherapy to 51 ET forms has shown excellent results on 88.9% of the cystic type (40/45) and 50% (3/6) of the cavernous type (minimum follow-up for 24 months). Seventeen ET forms in 7 patients were treated with a preoperative OK-432 sclerotherapy and a subsequent surgical excision, which provided good to excellent results in 14 for a minimum of 24 months. Primary lymphedema, which is the T form of LMs, can be managed safely by a combination of CDP with compressotherapy. Patients with good compliance can benefit from additional surgical therapy, either reconstructive or ablative. The ET form, particularly the cystic type, can be treated with various scleroagents that are preferably less toxic as the primary therapy. A surgical excision with or without perioperative sclerotherapy provides good results for patients with the localized cavernous type of the ET form. A multidisciplinary team approach is essential for the proper care of LM.
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Abstract
UNLABELLED The aims of this study were to report functional outcomes of salvage procedures for patients with cerebral palsy (CP) who have chronic dislocation of the hip using validated scoring systems, and to compare the results of three surgical techniques. We reviewed 37 patients retrospectively. The mean age at the time of surgery was 12.2 years (8 to 22) and the mean follow-up was 56 months (24 to 114). Patients were divided into three groups: 14 who underwent proximal femoral resection arthroplasty (PFRA group 1), ten who underwent subtrochanteric valgus osteotomy (SVO group 2), and 13 who underwent subtrochanteric valgus osteotomy with resection of the femoral head (SVO with FHR group 3). All patients were evaluated using the Caregiver Priorities and Child Health Index of Life with Disabilities (CPCHILD) and the Pediatric Quality of Life Inventory (PedsQL). Significant improvements occurred in most CPCHILD and PedsQL subsection scores following surgery in all patients, without significant differences between the groups. There were 12 post-operative complications. Less severe complications were seen in group 1 than in groups 2 and 3. Salvage surgery appears to provide pain relief in patients with CP who have painful chronic dislocation of the hip. The three salvage procedures produced similar results, however, we recommend the use of PFRA as the complications are less severe. TAKE HOME MESSAGE Salvage surgery can be of benefit to patients with CP with chronic painful hip dislocation, but should be limited to selected patients considering complications.
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Belching during gastroscopy and its association with gastroesophageal reflux disease. Dis Esophagus 2016; 29:342-9. [PMID: 25708811 DOI: 10.1111/dote.12326] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/11/2022]
Abstract
Belching may result from transient lower esophageal sphincter relaxation; therefore, it has been proposed that belching may be a manifestation of gastroesophageal reflux disease (GERD). This study was conducted to investigate the frequency of belching during esophagogastroduodenoscopy (EGD) and its association with GERD. A retrospective review was performed on prospectively collected clinical and endoscopic data from 404 subjects who underwent EGD without sedation from December 2012 to May 2013 in a training hospital in Korea. All detectable belching events during endoscopy were counted. Frequency and severity of belching events were compared between the group with and without GERD using an ordinal logistic regression model. There were 145 GERD patients (26 erosive reflux disease and 119 nonerosive reflux disease [NERD]). In the multivariable analysis, GERD was significantly associated with a higher frequency of belching events (odds ratio = 6.59, P < 0.001). Central obesity, female, and younger age were also risk factors for frequent belching during EGD. Subgroup analyses were performed in subjects without erosive reflux disease (n = 378) and NERD (n = 293). NERD was also a predictive factor for frequent belching during EGD (odds ratio = 6.61, P < 0.001), and the frequency of belching was significantly correlated with GERD severity according to the Los Angeles classification (P < 0.05). Frequent belching during EGD was associated with GERD, including NERD. Future research should focus on its adjuvant role in the diagnosis of GERD/NERD and the necessity for applying differentiated endoscopy strategies for GERD patients, leading to less discomfort during EGD in patients at risk for intolerability.
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Clinical importance of inflammatory facet joints of the spine in ankylosing spondylitis: a magnetic resonance imaging study. Scand J Rheumatol 2016; 45:491-498. [PMID: 27098409 DOI: 10.3109/03009742.2016.1150506] [Citation(s) in RCA: 16] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/17/2022]
Abstract
OBJECTIVES The aims of this study were to assess the reliability of a novel magnetic resonance imaging (MRI) scoring system for inflammatory lesions of facet joints and to clarify the clinical significance of facet joint inflammation in ankylosing spondylitis (AS). METHOD A total of 53 AS patients (45 males, 84.9%) were assessed for active inflammatory lesions involving the facet joints, as indicated by bone marrow oedema, at 23 discovertebral units (DVUs) between C2 and S1 using a novel scale, the AS Activity of the Facet joint (ASAFacet). The reliability of the ASAFacet was evaluated using intraclass correlation coefficients (ICCs) and Bland-Altman plots. RESULTS ICC values for the ASAFacet scores were 0.857 [95% confidence interval (CI) 0.741-0.919] for inter-observer and 0.941 (95% CI 0.873-0.969) for intra-observer reliability. Inflammatory activity scores in facet joints were evenly distributed at all spine levels (p = 0.294 for ASAFacet), whereas vertebral body inflammation was more prominent in the thoracic spine than in the cervical and lumbar spine [p < 0.001 for the AS spine MRI activity (ASspiMRI-a) score, p = 0.002 for the Berlin method, and p < 0.001 for the Spondyloarthritis Research Consortium of Canada (SPARCC) MRI index]. ASAFacet scores were closely associated with erythrocyte sediment rate (ESR) and C-reactive protein (CRP) levels (p < 0.05, respectively). Patients with peripheral arthritis had fewer lesions involving the vertebral bodies or facet joints than patients without peripheral arthritis (p < 0.001 for the four different MRI activity indexes). CONCLUSIONS This study suggests that recognition of facet joint inflammation has the potential to contribute to our understanding of clinical outcomes in AS.
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Relationship between Pain and Injection Site during Intravitreal Injection. JOURNAL OF THE KOREAN OPHTHALMOLOGICAL SOCIETY 2016. [DOI: 10.3341/jkos.2016.57.6.930] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/23/2022]
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One-stage rotational osteotomy for congenital radioulnar synostosis. J Hand Surg Eur Vol 2015; 40:855-61. [PMID: 25827142 DOI: 10.1177/1753193415580066] [Citation(s) in RCA: 18] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 12/10/2014] [Accepted: 03/10/2015] [Indexed: 02/03/2023]
Abstract
We report the results of a one-stage rotational osteotomy of the proximal third of the ulna and distal third of the radius with segmental bone resection for treating congenital radioulnar synostosis. We retrospectively reviewed 25 patients (28 forearms) treated by operation. Patients were divided into two groups according to the method of internal fixation at the osteotomy sites. In Group 1 the ulnar osteotomy was stabilized with an intramedullary pin and in Group 2 no fixation was used. The average forearm position improved from 47° pronation before surgery, to 27° supination after surgery. There were no statistically significant differences between the two groups in surgical outcomes. One-stage rotational osteotomy of the proximal third of the ulna and distal third of the radius with segmental bone resection is a simple and safe treatment for patients with congenital radioulnar synostosis. Internal fixation at the osteotomy site seems to be unnecessary. Level of evidence: Level 4.
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Introduction of lens-angle reconstruction surgery in rabbit eyes. KOREAN JOURNAL OF OPHTHALMOLOGY 2014; 28:486-92. [PMID: 25435752 PMCID: PMC4239468 DOI: 10.3341/kjo.2014.28.6.486] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/07/2013] [Accepted: 08/07/2014] [Indexed: 11/30/2022] Open
Abstract
Purpose In this study, we examined the stability of the lens-angle supporter (LAS) for accommodation restoration by comparing intraocular lens (IOL) location, after-cataract and ciliary body damage after cataract surgery in rabbits. Methods Eight rabbits were divided into experimental and control groups of four rabbits each. Phacoemulsification and irrigation and aspiration were performed in all rabbits. This was followed by an LAS and IOL insertion in the four experimental rabbits. In the four control rabbits, only an IOL insertion was performed. Six months after the surgery, the location of the IOL, the conditions of the lens capsule and ciliary body were evaluated using a slitl-amp examination and Miyake-Apple view. Results For the experimental group, the ultrasound biomicroscope results showed normal LAS and IOL positioning in all four cases. According to the slitlamp examination and Miyake-Apple view, the IOL was positioned at the center, with less after-cataract and damage to the ciliary body. For the control group, ultrasound biomicroscope results indicated a higher IOL position than normal, as well as a single case of IOL decentering. According to the slit-lamp examination and Miyake-Apple view, the IOL was decentered with more severe after-cataract and ciliary body damage. Conclusions The LAS has the potential to maintain a stable IOL position while producing less after-cataract when used in lens-angle reconstruction for correction of presbyopia. Moreover, LAS implantation incurs less damage to the ciliary body.
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Effect of Medium-chain Triglyceride (MCT) on Growth Performance, Nutrient Digestibility, Blood Characteristics in Weanling Pigs. ASIAN-AUSTRALASIAN JOURNAL OF ANIMAL SCIENCES 2014; 25:1003-8. [PMID: 25049656 PMCID: PMC4092986 DOI: 10.5713/ajas.2011.11402] [Citation(s) in RCA: 25] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Subscribe] [Scholar Register] [Received: 11/02/2011] [Revised: 02/06/2012] [Accepted: 01/31/2012] [Indexed: 11/27/2022]
Abstract
One hundred and twenty weanling pigs in experiment 1 (Exp. 1) (6.91±0.99 kg; 21 d of age) and Exp. 2 (10.20±1.09 kg; 28 d of age) were used in two 42-d and 35-d experiments to evaluate the effect of medium-chain-triglyceride (MCT) on growth performance, apparent total tract digestibility (ATTD) of nutrients and blood profile. In both of Exp. 1 and Exp. 2, the same dietary treatments were utilized as follows : i) negative control (NC), ii) positive control (PC), NC+antibiotics (40 mg/kg Tiamulin, 110 mg/kg Tylosin, and 10 mg/kg Enramycin, iii) MCT3, NC+0.32% (phase 1, 2 and 3) MCT, and iv) MCT5, NC+0.55% (phase 1), 0.32% (phase 2 and 3) MCT. In Exp. 1, the pigs fed MCT5 diets had higher (p<0.05) ADG compared to NC treatment during the first 2 wk. From d 15 to 28, the ATTD of energy was improved (p<0.05) by MCT3 compared to the PC treatment. No effect has been observed on the blood profiles [red blood cell (RBC), white blood cell (WBC), immunoglobulin-G (IgG), lymphocyte concentration] measured in this study. In Exp. 2, the ADG were increased (p<0.05) by the MCT5 treatment than the PC treatment from d 0 to 14. Pigs fed PC treatment diet had lower ADFI (p<0.05) and better FCR (p<0.05) than NC treatment, whereas no differences were shown between MCT treatments and NC or PC treatment from d 15 to 35 and overall phase. The ATTD of DM and nitrogen were improved (p<0.05) by the effect of MCT5 related to the NC and PC treatment at the end of 2nd and 5th wk. The pigs fed MCT3 had higher (p<0.05) energy digestibility than PC treatment. No effects were seen in the blood profiles we measured (WBC, RBC, lymphocyte and immunoglobulin-G). In conclusion, the addition of MCT in the weanling pigs diet can improve the ADG and digestibility during the earlier period (first 2 wks), but had little effect on the blood characteristics.
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Effect of Oral Administration of Intact Casein on Gastrointestinal Hormone Secretion and Pancreatic α-Amylase Activity in Korean Native Steer. ASIAN-AUSTRALASIAN JOURNAL OF ANIMAL SCIENCES 2014; 26:654-60. [PMID: 25049835 PMCID: PMC4093330 DOI: 10.5713/ajas.2012.12510] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 09/18/2012] [Revised: 02/14/2013] [Accepted: 11/15/2012] [Indexed: 11/27/2022]
Abstract
Three Korean native steers (779±24 kg) fitted with duodenal cannulas were used in a 3×3 Latin square design to investigate the influence of oral administration of soluble proteins, intact casein (IC) and acid hydrolyzed casein (AHC), on gastrointestinal hormone (GIH) secretion in the blood and pancreatic α-amylase activity in the duodenum. Oral treatment consisted of a basic diet (control), IC (C+100% protein), or AHC (C+80% amino acid, 20% peptide) for 21 d. Blood and duodenum samples were collected for measurement of serum GI hormones, and pancreatic α-amylase activity was determined at 900, 1030, 1330, 1630, and 1930 h after feeding on d 21 of treatment. The levels of serum cholecystokinin (CCK) and secretin in the IC treatment group were higher compared to the other treatment groups (p<0.05). In addition to the changes in CCK and secretin levels upon IC treatment, the pancreatic α-amylase activity in the duodenum was higher in the IC group compared to the control diet group (p<0.05). The response of serum ghrelin to IC and AHC treatment was in accordance with the response of serum secretin. The level of peptide fragments flowing in the duodenum was higher in the IC treatment group than the other treatment groups (p<0.05). In conclusion, this study demonstrated that an increase in duodenal CCK and secretin upon IC oral administration increased pancreatic α-amylase secretion. In addition, ghrelin may be associated with GI hormone secretion in Korean native steers.
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Evaluation of the effect of low dietary fermentable carbohydrate content on growth performance, nutrient digestibility, blood characteristics, and meat quality in finishing pigs. ASIAN-AUSTRALASIAN JOURNAL OF ANIMAL SCIENCES 2014; 25:1294-9. [PMID: 25049693 PMCID: PMC4092942 DOI: 10.5713/ajas.2011.11403] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Subscribe] [Scholar Register] [Received: 11/02/2011] [Revised: 06/01/2012] [Accepted: 02/29/2012] [Indexed: 11/27/2022]
Abstract
A total of 96 pigs (49.23±3.20 kg) were used in an 11 wk growth trial to evaluate the effect of fermentable carbohydrate (FC) content on growth performance, apparent total tract digestibility (ATTD) of nutrient, blood profile, and meat quality. The dietary treatments were: i) negative control (NC), basal diet, ii) positive control (PC), NC+antibiotics (positive control diet with 5 ppm flavomycin), iii) PCL, PC-13% lower FC, and iv) NCL, NC-13% lower FC. The growth performance (average daily gain, average daily feed intake, and gain/feed) didn’t differ among treatments through the whole experiment. These pigs fed the PCL diet had the greater (p<0.05) apparent total tract digestibility (ATTD) of dry matter than those from PC and NC treatment at the end of the experiment. No differences were observed in white blood cell (WBC), red blood cell (RBC), and lymphocyte concentration among different treatments. After the feeding period, meat samples were collected from the pigs at slaughter. The pigs in NCL and PCL treatments had greater (p<0.05) backfat thickness and lower lean percentage. The color value of loin was higher (p<0.05) in NCL treatment compared to PCL treatment. Also, the NCL treatment had higher (p<0.05) marbling value than PC treatment. The drip loss was depressed by PCL and NCL treatment comapared to NC treatments. The water holding capacity (WHC) was higher (p<0.05) in NC and PCL treatment. In conclusion, the low FC can improve digestibility and meat quality of finishing pigs.
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Management of traumatic labral tear in acetabular fractures with posterior wall component. Orthop Traumatol Surg Res 2014; 100:187-92. [PMID: 24568794 DOI: 10.1016/j.otsr.2013.12.016] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 07/04/2013] [Revised: 12/10/2013] [Accepted: 12/13/2013] [Indexed: 02/02/2023]
Abstract
BACKGROUND Posterior labral tear is frequently encountered in acetabular fractures with posterior wall component (AFPWC). However, there has been very little information in the literature on the type and management of traumatic labral tears in AFPWC. HYPOTHESIS Traumatic labral tear is a constant intracapsular injury in AFPWC and can be repaired using adequate methods according to its type and size. MATERIALS AND METHODS A retrospective study of 14 patients (mean age 38 years [16-58]) who underwent open surgery for AFPWC was conducted using prospectively collected data. The types of posterior labral tear were investigated at intraoperative examination through the ruptured joint capsule or its extension, and were concomitantly managed. Surgical outcomes were clinically assessed using Merle d'Aubigné (PMA) score and Visual Analog Scale (VAS), and radiologically evaluated at final follow-up. RESULTS Posterior labral tears were present in all 14 patients. The types of labral tear were osseous avulsion and posterior root avulsion tear (n=9), longitudinal peripheral tear and posterior root avulsion tear (n=2), longitudinal peripheral tear (n=2), and osseous avulsion tear (n=1). All unstable labra in 12 patients (86%) were repaired. All avulsion tears of the posterior root were repaired using a suture anchor, longitudinal peripheral tears using suture fixation or/and suture anchors, and osseous avulsion tears using a spring plate. The mean PMA score and VAS were 16.4 (14-18) and 1.7 (0-3) at final follow-up, respectively. The radiologic grades at last follow-up were good or excellent in all patients. DISCUSSION All AFPWC in this study consistently revealed posterior labral tear. Posterior root avulsion tears accompanied with osseous avulsion was the most common type. Torn labra should be repaired as much as possible if unstable, considering the important functions of a normal labrum; fixation using a suture anchor may be useful for an avulsion tear of the posterior root. LEVEL OF EVIDENCE Level IV, therapeutic case series.
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IL-15 controls T cell functions through its influence on CD30 and OX40 antigens in Celiac Disease. Cytokine 2014; 67:44-51. [PMID: 24680481 DOI: 10.1016/j.cyto.2014.01.004] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/12/2013] [Revised: 12/09/2013] [Accepted: 01/11/2014] [Indexed: 01/19/2023]
Abstract
AIM To evaluate the ability of interleukin (IL)-15 to control T cell functions through its influence on CD30 and OX40 expressing cells in Celiac Disease (CD). In peripheral blood (PB), by examining the expression of OX40 in conventional effectors cells and T cells with a phenotypic specialization of regulatory cells [CD4+CD25high forkhead box protein 3 (Foxp3)+], and the co stimulation of IFN-γ and IL-4 production within CD30 and OX40 positive subsets of T cells. At the duodenal mucosa, by assessing the expression of CD30 and OX40 in intraepithelial (IE) and lamina propria (LP) lymphocytes (IEL, LPL). PATIENTS AND METHODS PB and duodenal mucosal biopsies were obtained from 38 patients with classic CD (Cel) and 38 healthy controls (HC). Analysis of cell surface and/or intracellular antigens was performed in anti-CD3-treated PB mononuclear cells (PBMC) before and after treatment with recombinant IL-15 (rIL-15), and in IE and LP cellular suspensions prepared from duodenal biopsies pre-treated with/without rIL-15. RESULTS A subpopulation of CD3+OX40+ T blasts was induced in Cel and HC by a 3days treatment of PBMC with anti-CD3 and decreased its size thereafter, regardless of the presence of rIL-15. However, the addition of rIL-15 to T blasts distinctively induced the survival of T cells with a regulatory phenotype that expresses OX40 antigen in Cel (p<0.05). Celiac patients showed higher frequencies of IFN-γ-producing CD3+CD30+ blasts before and after treatment with rIL-15 (p<0.05, vs. HC). IL-15 increased the frequencies of CD3+CD30+ LPL (HC: p<0.05, Cel: p<0.05) but not of CD3+OX40+ LPL, and CD30 or OX40 positive IEL. CONCLUSIONS The distinctive control of OX40+ cells with a T regulatory phenotype mediated by the influence of IL-15 comes out as new function of this cytokine in the context of CD. The higher production of IFN-γ by a subpopulation of peripheral CD3+CD30+ cells contributes to the type I biased immune response.
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Objective Clinical Evaluation of Ocular Optical Instrument According to the Type of Lens Opacity. JOURNAL OF THE KOREAN OPHTHALMOLOGICAL SOCIETY 2014. [DOI: 10.3341/jkos.2014.55.1.79] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/23/2022]
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A Case of Fungal Keratitis Caused by Paecilomyces lilacinusafter Penetrating Keratoplasty. JOURNAL OF THE KOREAN OPHTHALMOLOGICAL SOCIETY 2014. [DOI: 10.3341/jkos.2014.55.9.1384] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/23/2022]
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Endocrine and metabolic effects of dietary intake of probiotics in glucose tolerant humans. Exp Clin Endocrinol Diabetes 2013. [DOI: 10.1055/s-0033-1336673] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 10/27/2022]
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Importance of liver fat indices for diagnosis of hepatic steatosis. Exp Clin Endocrinol Diabetes 2013. [DOI: 10.1055/s-0033-1336728] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 10/27/2022]
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High control rate for lymph nodes in cervical cancer treated with high-dose radiotherapy using helical tomotherapy. Technol Cancer Res Treat 2012; 12:45-51. [PMID: 22905806 DOI: 10.7785/tcrt.2012.500252] [Citation(s) in RCA: 8] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/06/2022] Open
Abstract
The purpose of this study was to evaluate whether bulky lymphadenopathy located in the abdominopelvic cavity in cervical cancer can be controlled without severe toxicity by increasing radiation dose using helical tomotherapy. From January 2007 to December 2010, 26 patients with cervical cancer with metastatic lymph nodes (LNs) having at least one short diameter > 1.5 cm were treated with helical tomotherapy. A total of 58 LN sites were treated and the largest LN of each site was evaluated for response. Median follow-up time was 28 months (4-50 months). Median short diameter of the LNs was 1.7 cm (0.7-4.2 cm) with median radiation dose of 62.6 Gy(10) in 2 Gy equivalent dose (53.3-77.9 Gy(10)). Initial LN response was evaluated on imaging obtained within 4 months after radiotherapy. Initial complete response (CR), partial response (PR), and stable disease (SD) were observed in 54, 2 and 2 lesions, respectively. Recurrence occurred in two with CR and progression in one with PR. Therefore, final CR, PR, SD, and progression of disease were observed in 52, 1, 2, and 3, respectively. Actuarial 3-year LN progression-free survival and overall survival (OS) were 63% and 65%, respectively. Multivariate analysis revealed final LN response (CR vs. non-CR) as a strong prognostic factor for OS (p = 0.016). Radiation Therapy Oncology Group grade 2 or more acute and late toxicity was observed in 8 and 1 patients, respectively. The treatment of bulky lymphadenopathy using helical tomotherapy in advanced cervical cancer is highly effective and has acceptable toxicity.
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