- Indocyanine green angiography (ICGA) is useful for the study of occult CNV (OCNV), and particularly in identifying the characteristic patterns of idiopathic polypoidal choroidal vasculopathy (IPCV) and retinal angiomatous proliferation (RAP). (amdbook.org)
- Indocyanine green angiography (ICGA) is a diagnostic procedure used to examine choroidal blood flow and associated pathology. (wikipedia.org)
- Indocyanine green angiography is widely used to study choroidal neovascularization in patients with exudative age-related macular degeneration. (wikipedia.org)
- Fundus camera-based indocyanine green angiography techniques and scanning laser ophthalmoscope-based indocyanine green angiography techniques are there. (wikipedia.org)
- Indocyanine green angiography has many advantages over commonly used fundus fluorescein angiography (FFA). (wikipedia.org)
- Choroidal neovascularization is better visualized by ICGA, than fluorescein angiography. (wikipedia.org)
- Indocyanine green angiography was developed by Kodak Research Laboratories for determining cardiac output. (wikipedia.org)
- performed intra-arterial choroidal absorption angiography using indocyanine green dye in monkeys. (wikipedia.org)
- 4 He interpreted this feature as a substantial delay in retinal arteriovenous circulation, an explanation that was later shown to be inexact, thanks to the use of dual FA/indocyanine green angiography (ICGA) (see below). (bmj.com)
- Indocyanine green angiography (ICGA) is an effective tool for identifying hypoperfused areas. (thieme-connect.de)
- Optimizing Indocyanine Green Fluorescence Angiography in Reconstructive Flap Surgery: A Systematic Review and Ex Vivo Experiments. (thieme-connect.de)
- Indocyanine green angiography (ICGA) was used to re-evaluate eyes for PCV. (bmj.com)
- 5 , 7 , 8 Why some patients have a poor response to ranibizumab is not well understood, but use of indocyanine green angiography (ICGA) has revealed the presence of polypoidal choroidal vasculopathy (PCV) in several patients with neovascular AMD who did not respond to repeated injections of anti-VEGF agents. (bmj.com)
- In addition to opto map color rg (red/green), sensory red-free, choroidal, autofluorescence (AF), fluorescein angiography (FAF) and indocyanine green angiography (ICGA) modalities, the company is pleased to announce the first ultra-widefield color rgb (red/green/blue) image. (optos.com)
- Indocyanine green angiography (ICG) - a test that examines the blood vessels of the choroid using dye. (belmarrahealth.com)
- Indocyanine green angiography (ICGA) showed sharply marginated hypofluorescent dots of various sizes throughout the mid-venous and late phases OU. (bvsalud.org)
- A consecutive case series of supraclavicular artery island flaps was designed using indocyanine green angiography (IcG-A) in head and neck reconstruction to demonstrate its utilization in supraclavicular artery island flap (SCAIF) head and neck reconstruction. (diagnosticgreen.com)
- Among these, indocyanine green (ICG) fluorescence video-angiography (ICG-VA) represents an innovative tool whose adoption in flap surgery is still at its early days. (diagnosticgreen.com)
- All patients underwent a complete ophthalmic examination, including fluorescein and indocyanine green angiography (ICGA). (elsevierpure.com)
- Indocyanine green angiography (ICGA) uncovered multiple patchy hypofluorescence and non-perfusion areas (Fig. 1D). (cancerhugs.com)
- B) Indocyanine green angiography (ICGA) also demonstrated multiple patchy hypofluorescence indicators relating to the posterior pole. (cancerhugs.com)
- Indocyanine green angiography (ICGA) and/or optical coherence tomography (OCT) should be examined if needed. (sdu.edu.cn)
- Fluorescein angiography remains a vital tool for assessing the activity of neovascular lesions, while indocyanine green angiography is the preferred option for choroidal vessel imaging in neovascular AMD. (marcorispoli.it)
- Indocyanine green angiography ICGA findings in CMM may vary depending on the tumor pigmentation level, tumor thickness, and vascularity. (czxinfang.cn)
- Persistent hypofluorescent lesions on indocyanine green angiography (ICGA) were unchanged after one year of Iluvein insertion in all cases. (uk.com)
- Postoperative indocyanine green angiography (ICGA) of the lesion showed hypofluorescence and no leakage or altered morphology during the whole imaging process. (biomedcentral.com)
- SPECTRALIS® FA can be combined with ICG angiography (ICGA), allowing the clinician to view both retinal and choroidal blood flow simultaneously. (rpofnwa.com)
- (8) described chorioretinal anastomosis in eyes with pigment epithelial detachment (PED) and indocyanine green angiography (ICG-A) hot spots but it was Yannuzzi et al. (amdbook.org)
- To analyze choroidal changes associated with reticular pseudodrusen by indocyanine green angiography (ICGA) and enhanced depth imaging spectral-domain optical coherence tomography (EDI SD-OCT). METHODS. (unisr.it)
- PURPOSE: To determine prevalence of probable polypoidal choroidal vasculopathy (PCV) among White patients with neovascular age-related macular degeneration (nAMD) using non−indocyanine green angiography (ICGA) criteria DESIGN: Multicenter, multinational, retrospective, cross-sectional study. (tau.ac.il)
- Purpose:To examine the characteristics of polypoidal choroidal vasculopathy using B-scan optical coherence tomography angiography (OCTA), and determine the diagnostic criteria of polypoidal choroidal vasculopathy based on OCTA.Methods:This retrospective case series included patients diagnosed with treatment-naïve polypoidal choroidal vasculopathy who underwent indocyanine green angiography (ICGA) and swept-source OCTA at baseline. (fujita-hu.ac.jp)
- The patients who could not be diagnosed by fundus photography and FFA underwent indocyanine green angiography (ICGA) and spectral-domain optical coherence tomography (SD-OCT) examinations.The visual acuity of the three types of retinal arterial macroaneurysms and the diameters of retinal arterial macroaneurysms based on FFA images was analyzed. (cjeo-journal.org)
- The study was done to analyse the peripheral extent of choroidal circulation using UWF indocyanine green angiography (ICGA) in healthy eyes. (physiciansweekly.com)
- Intraoperative assessment of mastectomy flaps and nipple-areola complex (NAC) with indocyanine green angiography (ICGA) for decision-making in delayed breast reconstruction after nipple-sparing mastectomy (NSM) remains to be fully elucidated. (diagnosticgreen.com)
- The optical coherence tomography (OCT) and indocyanine green angiography (ICGA) findings of a 58-year-old male with acute syphilitic posterior placoid chorioretinitis are reported herein. (unifesp.br)
- ICGA allows better visualization of lesions in serpiginous chorioretinopathy, punctate inner chorioretinopathy, acute zonal occult outer retinopathy etc. (wikipedia.org)
- It was shown that the reticular patterns appeared as hypofluorescent lesions on ICGA, closely abutting, but not overlying the large choroidal vessels. (unisr.it)
- Using B-scan OCTA, 94.7% of the polypoidal lesions were detected by an independent evaluator with an overall accuracy of 92.6% for counting the polypoidal lesions per eye relative to ICGA and a Kappa value of 0.82.Conclusion:Polyp detection on B-scan OCTA demonstrates high accuracy and is comparable to that obtained on ICGA. (fujita-hu.ac.jp)
- The incidence of flap necrosis in cases where management relied on ICGA findings was significantly lower than that of cases where management did not rely on ICGA findings. (thieme-connect.de)
- Methods Patients who underwent pre-expanded e-LTMC flap surgery with perfusion assessment using ICGA between June 2016 and January 2022 were identified. (thieme-connect.de)
- Twenty-two consecutive patients (22 eyes) with reticular pseudodrusen, and without medium/large drusen, underwent ICGA and EDI OCT. Twenty-one age-and sex-matched subjects (21 eyes) with early age-related macular degeneration (AMD), and without pseudodrusen, also underwent EDI OCT. RESULTS. (unisr.it)
- The near infrared light used in ICGA penetrates ocular pigments such as melanin and xanthophyll, as well as exudates and thin layers of sub-retinal vessels. (wikipedia.org)
- Pigmented epithelial detachment Retinal angiomatous proliferation (RAP) Chorioretinal atrophy: ICGA help evaluating different stages of chorioretinal atrophy. (wikipedia.org)
- Most retinal arterial macroaneurysms can be diagnosed by FFA, moreover, both ICGA and OCT can provide necessary supplement for the concealed retinal arterial macroaneurysms.The larger the diameter of the normal artery is, the larger the diameter of the corresponding retinal arterial macroaneurysms is.The typing of retinal arterial macroaneurysms can offer basis for the evaluation of management. (cjeo-journal.org)
- Idiopathic polypoidal choroidal vasculopathy (IPCV) Pigmented choroidal melanomas Choroidal haemangioma: ICGA can be used to differentiate choroidal haemangioma from other intraocular tumors. (wikipedia.org)
- B-scan OCTA could replace ICGA for the diagnosis of polypoidal choroidal vasculopathy. (fujita-hu.ac.jp)
- In VKH, delay in filling of the choriocapillaris along with larger choroidal vessel perfusion and multiple hypofluorescent spots are visible with ICGA. (wikipedia.org)
- Single-institution retrospective study of delayed implant-based breast reconstructions following NSM due to poor perfusion analysis on ICGA. (diagnosticgreen.com)
- Intraoperative ICGA perfusion values and fluorescence patterns during the delayed and subsequent reconstruction operations were analysed. (diagnosticgreen.com)
- Distinct patterns of ischaemia and low perfusion values with ICGA may be used in the decision to delay reconstruction. (diagnosticgreen.com)
- Conclusion The proposed standard strategy effectively reduced the necrosis rate of the pre-expanded e-LTMC flap, thus it is sensible to act on the ICGA findings. (thieme-connect.de)
- We compared the characteristics of the polyps detected using B-scan OCTA and ICGA. (fujita-hu.ac.jp)
- Then, the diagnostic concordance of each polypoidal lesion between ICGA and OCTA was evaluated.Results:Among 54 eyes of 52 patients, all 54 eyes showed flow signals indicating polyps on both ICGA and B-scan OCTA. (fujita-hu.ac.jp)
- ICGA revealed a hypofluorescent spot corresponding to the lesion in OD and confluent small dots extending to periphery, without any correspondence in fundus examination. (unifesp.br)
- I consent to allow the Diagnostic Green Team to use my data to inform me of details concerning Diagnostic Green via email. (diagnosticgreen.com)
- Indocyanine green (ICG) is a water soluble cyanine dye which shows fluorescence in near-infrared (790-805 nm) range, with peak spectral absorption of 800-810 nm in blood. (wikipedia.org)
- In nonexudative AMD, ICGA is used in classification of drusen and associated subretinal deposits. (wikipedia.org)
- Delaying breast reconstruction for NSM with ischaemia predicted by ICGA may allow blood supply to the flap and NAC to improve, reducing risk for necrosis. (diagnosticgreen.com)
- I) Panoramic ICGA displays no indicators of any significant leakage from choroidal vessels, but multiple patchy choroidal filling up defects stay. (cancerhugs.com)
- On ICGA, reticular patterns appeared as hypofluorescent, not overlying the large choroidal vessels. (unisr.it)
- The present chapter analyses the information that we can obtain from ICGA in application to the diagnosis and follow-up of AMD, and defines the current most precise indications of the technique, and its usefulness in daily clinical practice. (amdbook.org)
- Thus, an analysis is made of the characteristic ICGA images found in patients with AMD, the precise indications of the technique, and the situations in which ICGA proves essential for establishing a correct diagnosis to ensure adequate treatment of this complex disease. (amdbook.org)
- This retrospective study proposes a standardized strategy for managing the hypoperfused areas identified by ICGA in pre-expanded extended lower trapezius myocutaneous (e-LTMC) flaps. (thieme-connect.de)
- Indocyanine green dye was developed for near-infrared (NIR) photography by the Kodak Research Laboratories in 1955 and was approved for clinical use already in 1956. (merkel.co.il)
- In the past due stage, perivascular leakage along the CA is usually obvious and multiple blot hyperfluorescence on FA and pinpoint hyperfluorescence on ICGA are mentioned. (cancerhugs.com)
- Chorioretinopathy: In Central serous chorioretinopathy, using ICGA multifocal areas of choroidal hyperpermiability can be visualized. (wikipedia.org)
- A standardized protocol was applied, and patients were divided into four groups according to different management options for hypoperfused areas detected by ICGA. (thieme-connect.de)
- Areas of iso/hyperfluorescence on ICGA, occurring adjacently to reticular patterns, appeared on OCT as subretinal deposits. (unisr.it)
- In multiple evanescent white dot syndrome, numerous hypoflourescent spots can be visualized using ICGA. (wikipedia.org)
- Stargardt disease: Numerous hypoflourescent spots are seen in ICGA. (wikipedia.org)
- In sympathetic ophthalmia, numerous dark spots may be visible during the intermediate phase of ICGA. (wikipedia.org)
- UWF ICGA images of 55 eyes of 36 healthy subjects were captured using Optos California in this prospective observational study. (physiciansweekly.com)
- However, interpretation of the ICGA images is complex, and in some cases requires contrasting with the data obtained by means of other techniques such as FA or OCT, and with correct biomicroscopic assessment of the macula. (amdbook.org)
- All that is required to prepare an ICGA device are a few filters (to prevent mixing of the excitation and fluorescing rays), camera and light source. (merkel.co.il)
- The study concluded that the peripheral choroidal boundary may be defined using UWF ICGA. (physiciansweekly.com)
- ICGA exposed that multiple patchy choroidal filling up defects continued to be (Fig. 1I and 1J). (cancerhugs.com)
- D) Panoramic ICGA displaying multiple hypofluorescence indicators with multiple patchy choroidal filling up problems. (cancerhugs.com)