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pvd
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Book Chapter
Published: 29 October 2024
10.1159/000540178
EISBN: 978-3-318-07284-6
... or destruction of joints and bones. Additionally, in the diabetic population peripheral vascular disease (PVD) is the main risk factor for amputation. If PVD is not diagnosed, treatment of the ulcer cannot be successful. In diabetic patients PVD is distal, but often fully involves the femoral, popliteal...
Book Chapter
Series: Developments in Ophthalmology
Volume: 44
Published: 19 June 2009
10.1159/000223943
EISBN: 978-3-8055-9030-3
... Abstract Several enzymatic agents, such as autologous plasmin enzyme and recombinant microplasmin, are able to cause vitreous liquefaction and a complete posterior vitreous detachment (PVD). Advancements in research have helped to explain the complex interactions that occur in the vitreous...
Book Chapter
Series: Developments in Ophthalmology
Volume: 55
Published: 27 October 2015
10.1159/000438962
EISBN: 978-3-318-05565-8
..., ocriplasmin has been approved for symptomatic vitreomacular adhesion and others appear to be promising for pharmacologic manipulation of the vitreous. The ability to induce vitreous liquefaction and a complete posterior vitreous detachment (PVD) with a single intravitreal injection has potential implications...
Book Chapter
Book: Diabetic Retinopathy
Series: Developments in Ophthalmology
Volume: 39
Published: 22 January 2007
10.1159/000098505
EISBN: 978-3-318-01439-6
... Abstract At present, surgical separation of the vitreous from the retina (posterior vitreousdetachment, PVD) is achieved by mechanical means only. However, with this technique,complete removal of the cortical vitreous from the internal limiting membrane of the retina isnot feasible...
Book Chapter
Series: Developments in Ophthalmology
Volume: 60
Published: 24 April 2017
10.1159/000460275
EISBN: 978-3-318-06042-3
... macular edema. Undoubtedly the vitreous play a role in the pathogenesis of some cases of DME. In fact DME may improve with spontaneous posterior vitreous detachment (PVD) [ 2 ], and the incidence of DME is lower in eyes with PVD compared to those without PVD [ 3 ]. Many studies indicate...
Book Chapter
Series: Developments in Ophthalmology
Volume: 44
Published: 19 June 2009
10.1159/000223938
EISBN: 978-3-8055-9030-3
... Abstract The goal of pharmacologic vitreolysis is to cleave the vitreoretinal junction, thereby inducing posterior vitreous detachment (PVD), and to liquefy the vitreous gel. There are several reasons to pursue a pharmacologic approach: (1) Mechanical vitrectomy is incomplete. Both...
Book Chapter
Series: Developments in Ophthalmology
Volume: 42
Published: 17 June 2008
10.1159/000139004
EISBN: 978-3-8055-8552-1
... Abstract Complete separation of the vitreous from the retina is a major goal of vitrectomy. Mechanical vitrectomy,however, is not able to meet this need because remnants of the vitreous cortex are left behind atthe retinal surface, resulting in incomplete posterior vitreous detachment (PVD...
Book Chapter
Series: ESASO Course Series
Volume: 2
Published: 15 August 2012
10.1159/000337893
EISBN: 978-3-318-02159-2
... according to whether a posterior vitreous detachment (PVD) is present. In PVD-related detachments, the vitreous peels away from the retina potentially causing a retinal tear at sites of abnormal vitreoretinal adhesion, such as lattice degeneration ( fig. 1 ). Unfortunately, the vast majority of patients...
Book Chapter
Series: Advances in Psychosomatic Medicine
Volume: 31
Published: 11 October 2011
10.1159/000328810
EISBN: 978-3-8055-9825-5
... in the 1800s [ 1 , 2 ]. Since the 1990s, there has been an astronomical increase in research examining these conditions and their treatment. A sizeable portion of recent research has focused on provoked vestibulodynia (PVD; formerly termed ‘vulvar vestibulitis syndrome’), a prevalent vulvar pain condition...
Book Chapter
Series: Progress in Respiratory Research
Volume: 41
Published: 10 April 2012
10.1159/000334373
EISBN: 978-3-8055-9915-3
... to address pulmonary vascular lesions. The best prevention of pulmonary vascular disease (PVD) in patients with CHD is early closure of the shunt. However, when a certain degree of PVD is present, there are no good preoperative parameters to indicate if surgical repair is safe and will b e successful, even...
Book Chapter
Series: ESASO Course Series
Volume: 9
Published: 07 June 2017
10.1159/000471834
EISBN: 978-3-318-06068-3
... as early as at 4 years of age, and advances throughout life [ 2 ]. Posterior vitreous detachment (PVD) is defined as a complete separation of the vitreous material from the retinal surface. This process typically begins in the perifoveal region where vitreous is more loosely attached, and then extends...
Book Chapter
Series: Developments in Ophthalmology
Volume: 44
Published: 19 June 2009
10.1159/000223942
EISBN: 978-3-8055-9030-3
... like human plasmin, but it is much more stable compared to plasmin. It has been shown previously that both plasmin and microplasmin are capable of inducing PVD. This chapter focuses on one of the most promising current concepts of pharmacologic vitreolysis, i.e. microplasmin-assisted vitrectomy. We...
Book Chapter
Series: ESASO Course Series
Volume: 2
Published: 15 August 2012
EISBN: 978-3-318-02159-2
.... Chauhan DS, Downie JA, Eckstein M, Aylward GW: Failure of prophylactic retinopexy in fellow eyes without a PVD. Arch Ophthalmol 2006;124:968-971 4. Byer NE: Long-term natural history of lattice degeneration of the retina. Ophthalmol 1989;96:1396-1401 5. Folk JC, Arrindell EL, Klugman MR...
Book Chapter
Series: Developments in Ophthalmology
Volume: 54
Published: 27 August 2014
10.1159/000360464
EISBN: 978-3-318-02661-0
... surgery with valved trocar systems. The next step is induction of posterior vitreous detachment (PVD). Although most patients with retinal detachment already have PVD, many times they may only have partial PVD. Young and highly myopic patients usually do not have PVD upon presentation. PVD...
Book Chapter
Series: Developments in Ophthalmology
Volume: 54
Published: 27 August 2014
10.1159/000360458
EISBN: 978-3-318-02661-0
... to progressive vitreous liquefaction. These changes are associated with a concurrent weakening of vitreoretinal adhesion and may progress to partial or complete posterior vitreous detachment (PVD) characterized by the collapse of the vitreous body and separation from the retina [ 4 ]. Anomalous PVD results from...
Book
Series: Developments in Ophthalmology
Volume: 44
Published: 19 June 2009
10.1159/isbn.978-3-8055-9030-3
EISBN: 978-3-8055-9030-3
Book Chapter
Series: ESASO Course Series
Volume: 2
Published: 15 August 2012
10.1159/000337895
EISBN: 978-3-318-02159-2
... survey [2 ] Table 1. Results of the PAT survey [ 2 ] Vitrectomy A vitrectomy is carried out in the normal way using the system and gauge of your choice. In the vast majority of eyes, there is already a posterior vitreous detachment (PVD...
Book Chapter
Series: Developments in Ophthalmology
Volume: 47
Published: 18 August 2010
10.1159/000320081
EISBN: 978-3-8055-9435-6
... attachment of the vitreous to the macula with incomplete posterior vitreous detachment (PVD) is responsible for the thickening of the macular area (Smiddy et al. 1989) 23 . Many studies have found a clear visual improvement after vitreomacular traction removal (Smiddy et al., 1989; Smiddy et al., 1990...
Book Chapter
Series: Developments in Ophthalmology
Volume: 60
Published: 24 April 2017
10.1159/000459702
EISBN: 978-3-318-06042-3
.... It is particularly useful in case of vitreoschisis, when remnants of the cortical vitreous are attached to the retina despite the apparent induction of a posterior vitreous detachment (PVD). Trypan blue is an anionic hydrophilic azole dye that selectively stains ERMs. Brilliant blue selectively stains the ILM...
Book Chapter
Series: Developments in Ophthalmology
Volume: 54
Published: 27 August 2014
10.1159/000360461
EISBN: 978-3-318-02661-0
... to show the presence of localized vitreomacular adhesion at the central fovea in stage 1 and stage 2 macular holes [ 5 , 6 ]. The adhesion is surrounded by a shallow posterior hyaloid separation [called perifoveal posterior vitreous detachment (PVD)] [ 5 , 7 ], and its existence has convinced observers...
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