Document Detail

Correlation between ocular pulse amplitude measured by dynamic contour tonometer and colour Doppler flow imaging of the arteric retrobulbar vessels.
MedLine Citation:
PMID:  22069989     Owner:  NLM     Status:  In-Process    
INTRODUCTION: An altered perfusion of the optic nerve head has been proposed as a pathogenic factor in glaucoma.
OBJECTIVE: The aim of this study was to evaluate the correlation between ocular pulse amplitude (OPA), measured by Dynamic contour tonometer (DCT) and colour Doppler imaging (CDI) of the arteric retrobulbar vessels.
METHODS: Twenty patients older than 50 years were examined, and divided into two equal groups. The first group comprised of patients with normal tension glaucoma treated with topical antiglaucomatous therapy, and the second group included patients with ocular hypertension and glaucoma suspicious without any antiglaucomatous therapy. Ocular pulse amplitude (OPA) was measured with DCT. CDI was also performed. We measured haemodynamic parameters of the internal carotid artery (ICA), ophthalmic artery (OA), central retinal artery (CRA), and posterior ciliary arteries (PCA). Peak systolic (PSV), end-diastolic (EDV) velocities were measured, and resistance index (RI) and pulsatility index (PI) were calculated.
RESULTS: Correlation with OPA showed indirect servitude in the RI of the ICA, RI and PI of the CRA, in the first group; and in the PSV and EDV of the ICA, in the RI and PI of the OA, EDV and RI of the CRA, and RI of the PCA, in the second group
CONCLUSION: Increase of OPA was mostly followed by the increase of the parameters (PSV, EDV, RI, and PI) of the arteric retrobulbar vessels in the first group; in the second group, increase of OPA was in almost 50% of parameters followed by their decrease.
Ivan Marjanović; Milija Mijajlović; Nadezda Covicković-Sternić; Djordje Kontić; Paraskeva Hentova-Senćanić; Vujica Marković; Marija Bozić
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Publication Detail:
Type:  Journal Article    
Journal Detail:
Title:  Srpski arhiv za celokupno lekarstvo     Volume:  139     ISSN:  0370-8179     ISO Abbreviation:  Srp Arh Celok Lek     Publication Date:    2011 Sep-Oct
Date Detail:
Created Date:  2011-11-10     Completed Date:  -     Revised Date:  -    
Medline Journal Info:
Nlm Unique ID:  0027440     Medline TA:  Srp Arh Celok Lek     Country:  Serbia    
Other Details:
Languages:  eng     Pagination:  572-8     Citation Subset:  IM    
Clinic of Eye Diseases, Clinical Centre of Serbia, Belgrade, Serbia.
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