Central retinal artery color Doppler monitoring versus transcranial Doppler monitoring in cardiac surgery

2000 ◽  
Vol 15 (1) ◽  
pp. 7-10 ◽  
Author(s):  
K. Kochi ◽  
Taijiro Sueda ◽  
Kazumasa Orihashi ◽  
Yuichiro Matsuura
Keyword(s):  
Cardiac Surgery ◽  
Transcranial Doppler ◽  
Color Doppler ◽  
Central Retinal Artery ◽  
Retinal Artery

scholarly journals Comparison of Color Doppler Imaging Criteria for the Ophthalmic Artery and Central Retinal Artery in Infants with Retinopathy of Prematurity with and Without Plus Disease

2021 ◽  
Vol 18 (2) ◽  
Author(s):  
Marzieh Soleimani ◽  
Seyed Ehsan Ghetmiri ◽  
Mohammad Hossein Ahrar Yazdi
Keyword(s):  
Retinopathy Of Prematurity ◽  
Ophthalmic Artery ◽  
Color Doppler ◽  
Resistance Index ◽  
Color Doppler Imaging ◽  
Central Retinal Artery ◽  
Doppler Imaging ◽  
Significant Difference ◽  
Retinal Artery ◽  
The Mean

Background: Color Doppler imaging (CDI) is a non-aggressive and safe technique for the clinical management of retinal diseases. Recently, the number of infants with retinopathy of prematurity (ROP) has increased due to the incidence of premature births. Objectives: This study aimed to compare the CDI criteria for the ophthalmic artery (OA) and central retinal artery (CRA) in ROP infants with and without plus disease. Patients and Methods: In this case-control study, 42 premature infants (21 infants with plus disease and 21 infants without plus disease) underwent CDI. The arterial CDI parameters, including end-diastolic velocity (EDV), pulsatility index (PI), resistance index (RI), and peak systolic velocity (PSV), were measured in these patients. After collecting the data, t-test and chi-square tests were used for data analysis. P < 0.05 was considered to be statistically significant. Results: The mean EDV of CRA in patients with and without plus disease was 4.35 ± 1.00 and 5.27 ± 1.02 cm/sec, respectively (P = 0.005). The mean PSV of CRA in patients with and without plus disease was 15.65 ± 3.35 and 18.39 ± 4.39 cm/sec, respectively (P = 0.029). However, no significant difference was found between the two groups in terms of PSV or EDV of OA (P > 0.05). Also, no significant difference was observed between the two groups considering the RI and PI of CRA and OA (P > 0.05). Conclusion: According to the findings of this study, CDI criteria, such as EDV and PSV of CRA, were significantly lower in infants with plus disease as compared to those without plus disease. Since detecting the early stages of plus disease is a challenge for ophthalmologists, assessment of these criteria can be helpful for differentiation of these two subgroups of patients. However, further studies with a larger sample size are needed to determine the cutoff value.

Comparision of the effects of subtenon’s and subconjunctival anesthesia on retroorbital hemodynamics

Open Medicine ◽  
2009 ◽  
Vol 4 (1) ◽  
pp. 84-90
Author(s):  
Hasan Cakmak ◽  
Mehmet Coskun ◽  
Huseyin Simavli ◽  
Mehmet Gumus ◽  
Ali Ipek ◽  
...  
Keyword(s):  
Blood Flow ◽  
Pulsatility Index ◽  
Ophthalmic Artery ◽  
Color Doppler ◽  
Central Retinal Artery ◽  
Doppler Imaging ◽  
Cataract Operation ◽  
Anesthesia Group ◽  
Ciliary Arteries ◽  
Retinal Artery

AbstractThe aim of the study was to compare retroorbital blood flow hemodynamics between subconjunctival and sub-Tenon’s anesthesia. This was a prospective, blinded study and included 80 cases. Patients were monitored and treated in the First Ophthalmology Clinic, Ataturk Training and Research Hospital, Turkey. Sub-Tenon’s anesthesia was performed in 42 cases, and subconjunctival anesthesia was performed in 38 cases. Color Doppler imaging to measure ocular blood flow parameters was performed preoperatively and 21 days after cataract operation in each case. Preoperative and postoperative values of resistivity and pulsatility indices in the ophthalmic, central retinal, and short posterior ciliary arteries were compared. Postoperative mean blood flow velocity measurements of ophthalmic artery were not statistically different between the subconjunctival anesthesia group and the sub-Tenon’s anesthesia group (49.63 ± 14.00 vs. 45.85 ± 13.41; P=0.389). Postoperative RI values were higher in the Subtenon’s anesthesia group than in the subconjunctival anesthesia group, but the difference between two groups was not statistically significant (0.81 ± 0.14 vs. 0.74 ± 0.08; P=0.079). The postoperative pulsatility index of the ophthalmic artery, RI of ophthalmic artery, pulsatility index of the central retinal artery, RI of the central retinal artery, and pulsatility index of the posterior ciliary arteries were not significantly different between the subconjunctival and sub-Tenon’s anesthesia groups. In conclusion, the study suggests that postoperative retroorbital blood flow hemodynamics are the same following sub-Tenon’s and subconjunctival anesthesia.

Predictive value of color Doppler imaging of central retinal artery in outcome of corneal graft

2014 ◽  
Vol 92 ◽  
pp. 0-0
Author(s):  
N AMAOUCHE ◽  
P KOSKAS ◽  
A FADLALLAH ◽  
I COCHEREAU ◽  
O BERGES ◽  
...  
Keyword(s):  
Predictive Value ◽  
Color Doppler ◽  
Color Doppler Imaging ◽  
Central Retinal Artery ◽  
Corneal Graft ◽  
Doppler Imaging ◽  
Retinal Artery

Variability in measurement of central retinal artery velocity using color Doppler imaging.

1995 ◽  
Vol 14 (6) ◽  
pp. 463-466 ◽  
Author(s):  
K J Dennis ◽  
R D Dixon ◽  
F Winsberg ◽  
J T Ernest ◽  
T K Goldstick
Keyword(s):  
Color Doppler ◽  
Color Doppler Imaging ◽  
Central Retinal Artery ◽  
Doppler Imaging ◽  
Retinal Artery

scholarly journals Color Doppler imaging features in patients presenting central retinal artery occlusion with and without giant cell arteritis

2016 ◽  
Vol 73 (4) ◽  
pp. 397-401
Author(s):  
Jianu Catalin ◽  
Silviana Jianu ◽  
Mihnea Munteanu ◽  
Daliborca Vlad ◽  
Cosmin Rosca ◽  
...  
Keyword(s):  
Color Doppler ◽  
Central Retinal Artery Occlusion ◽  
Color Doppler Imaging ◽  
Retinal Artery Occlusion ◽  
Artery Occlusion ◽  
Central Retinal Artery ◽  
Doppler Imaging ◽  
Retinal Artery ◽  
The Right ◽  
Retrobulbar Vessels

Introduction. Central retinal artery obstruction (CRAO) represents an abrupt diminution of blood flow through the CRA that is severe enough to cause ischemia of the inner retina with permanent unilateral visual loss. We presented the role of color Doppler imaging (CDI) of orbital vessels and of extracranial duplex sonography (EDS) in the etiological diagnosis of CRAO in two patients with clinical suspicion of unilateral CRAO. Case report. Patients were examined following the protocol which included CDI of orbital vessels and EDS. Both patients had no emboli visible on ophthalmoscopy. The B-scan ultrasound evaluation of the first patient found a small round, moderately reflective echo within the right optic nerve, 1.5 mm behind the optic disc (emboli of cholesterol). CDI of retrobulbar vessels revealed the normal right ophthalmic artery (OA) hemodynamic parameters, but the first patient had no arterial flow signal on CDI at the distance of 1.5 mm behind the right optic disc. In contrast, the left eye had the normal aspect on CDI of retrobulbar vessels. The right internal carotid artery EDS identified a severe stenosis at its origin as CRA?s emboli source. The second patient had characteristic CDI findings for giant cell arteritis (GCA) with eye involvement: severe diminished blood flow velocities, especially end-diastolic velocities, in both CRAs. Less abnormalities were observed in the posterior ciliary arteries, and in the ophthalmic arteries. The second patient had no systemic symptoms or signs of GCA. Conclusion. In the presented cases, the ultrasound investigation enabled prompt differentiation between central retinal artery occlusion of embolic mechanism and CRAO caused by GCA.

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