Your browser doesn't support javascript.
loading
Show: 20 | 50 | 100
Results 1 - 9 de 9
Filter
Add more filters










Database
Language
Publication year range
1.
J Clin Aesthet Dermatol ; 17(4): 18-22, 2024 Apr.
Article in English | MEDLINE | ID: mdl-38638189

ABSTRACT

Objective: There are clinical differences in healthy skin requirements and skin-aging features by race and ethnicity. However, individuals of color are underrepresented in dermatology-related medical information. We sought to gather information from women of color regarding their attitudes about the importance of the prevention of skin aging, available information, and perception of representation in skin-aging prevention information. Methods: This study involved an observational, cross-sectional, online survey of women aged 18 to 70 years residing in the United States. Participants were placed into one of seven cohorts based on self-reported race/ethnicity. Relative frequencies of responses were compared across cohorts; adjusted logistic regression was used to assess perception of representation in skin-aging prevention information. Results: The mean age of the 1,646 participants was 44.4 years. The mean (standard deviation) rating (from 0, "not at all important" to 10, "extremely important") of the importance of the prevention of skin aging ranged from 7.3 to 8.2 across the seven cohorts. All cohorts reported the most trusted source of information for skin-aging prevention products and treatments was a skin-care professional, but not all cohorts believed they are well represented in available sources of information. Older age, lower median household income, and a race/ethnicity of Black, Asian, "Other," and "More Than One Race" were less likely to report being well represented. Limitations: People without internet access could not participate, potentially excluding some older and lower-income groups. Conclusion: Women of color are less likely to feel represented in available information on the prevention of skin aging.

2.
Aesthet Surg J ; 37(2): 203-208, 2017 Feb.
Article in English | MEDLINE | ID: mdl-27530765

ABSTRACT

BACKGROUND: Embolia cutis medicamentosa (ECM) is a rare phenomenon attributed to intra-arterial drug injection. Glabellar filler injections can result in potentially devastating visual loss from inadvertent retrograde arteriolar embolization due to the extensive vasculature within the upper face. The minimum amount of filler necessary to potentiate this complication has not yet been reported. OBJECTIVES: We aim to determine the volume of filler necessary to occupy the supratrochlear artery from the glabella to the bifurcation of the ophthalmic and central retinal arteries. We specifically examine the volume of the supratrochlear artery from the glabella to orbital apex. METHODS: The study was approved by Duke University Institutional Review Board and involved surgical dissection of six fresh tissue cadaver heads (12 hemifaces). The arterial system in each cadaver head was injected with latex for visualization. The supratrochlear arteries were isolated anteriorly from the glabella to the orbital apex posteriorly. Intra-orbital vessel radius and length were measured. The vessel volume was calculated by water displacement of the intra-arterial latex. RESULTS: The vessel volumes ranged from 0.04 to 0.12 mL. The average vessel volume was calculated as 0.085 mL, the average length as 51.75 mm, and the average radius as 0.72 mm. CONCLUSIONS: Vascular occlusion from filler injections can lead to devastating visual consequences due to inadvertent retrograde intra-arterial embolization. Our findings indicate that the average entire volume of the supratrochlear artery from the glabella to the orbital apex is 0.085 mL. Injectors should be aware that a bolus of this critical volume may lead to a significant adverse outcome.


Subject(s)
Arterial Occlusive Diseases/prevention & control , Blindness/prevention & control , Cosmetic Techniques , Dermal Fillers/administration & dosage , Face/blood supply , Nicolau Syndrome/prevention & control , Ophthalmic Artery/anatomy & histology , Retinal Artery/anatomy & histology , Arterial Occlusive Diseases/etiology , Blindness/etiology , Cadaver , Cosmetic Techniques/adverse effects , Dermal Fillers/adverse effects , Dissection , Female , Humans , Injections , Male , Nicolau Syndrome/etiology , North Carolina , Risk Factors , Treatment Outcome
3.
Ophthalmic Plast Reconstr Surg ; 32(6): e129-e130, 2016.
Article in English | MEDLINE | ID: mdl-25226094

ABSTRACT

Minocycline is a tetracycline antibiotic commonly used to treat acne and rosacea. Although pigmentation of the skin, nails, teeth, oral mucosa, and sclera is a well-recognized adverse outcome associated with minocycline, ocular pigmentation may be missed on routine examination. The authors present a case of a 43-year-old white woman who demonstrated bilateral pigmented palpebral conjunctival cysts after 12 months of minocycline therapy for cystic acne. To date, only 5 cases of minocycline-induced conjunctival pigmentation have been reported. After drug discontinuation, the patient's examination remained stable and no new ocular lesions were noted.


Subject(s)
Conjunctiva/diagnostic imaging , Conjunctival Diseases/chemically induced , Minocycline/adverse effects , Pigmentation Disorders/chemically induced , Adult , Anti-Bacterial Agents/adverse effects , Biopsy , Conjunctival Diseases/diagnosis , Female , Humans , Pigmentation Disorders/diagnosis
5.
Orbit ; 33(4): 276-9, 2014 Aug.
Article in English | MEDLINE | ID: mdl-24831933

ABSTRACT

PURPOSE: Benign essential blepharospasm (BEB) and hemifacial spasm (HFS) belong to a spectrum of focal movement disorders that cause involuntary, spasmodic contractions of the eyelid and facial muscles. In our clinical experience, we have observed an increased prevalence of rosacea in patients who present with BEB and HFS. We investigate our clinical findings with a review of disease pathophysiology and treatment. METHODS: Retrospective study approved by the Ochsner Institutional Review Board and literature review. A total of 140 charts dated from 1990 to 2013 were reviewed, including 87 patients with BEB and 53 patients with HFS. Rosacea, BEB, and HFS were defined by standard diagnostic criteria. RESULTS: Within our BEB and HFS patient cohort, approximately 15% of patients presented with rosacea, compared to the general American population prevalence rate of 1.34% (p < 0.001). Of the 140 patients reviewed, a total of 21 patients (13 with BEB and 8 with HFS) exhibited rosacea (p = 0.995). CONCLUSIONS: Dry eye and tear instability often co-exist in patients with facial dystonias and rosacea, which may provide the initial drive towards tonic eyelid contractions and simultaneously exacerbate rosacea. Studies suggest that neurogenic inflammation and altered vasoregulation jointly contribute to the pathogenesis of rosacea. From our preliminary observations, we suggest the possibility of shared immune-inflammatory pathways involved in both facial dystonias and rosacea. Identification of common inflammatory mediators involved in both disease processes may facilitate a more targeted approach in drug treatment. Further biochemical analysis will likely be necessary to elucidate this potential association.


Subject(s)
Blepharospasm/complications , Hemifacial Spasm/complications , Rosacea/etiology , Blepharospasm/physiopathology , Dry Eye Syndromes/complications , Dry Eye Syndromes/physiopathology , Hemifacial Spasm/physiopathology , Humans , Lacrimal Apparatus Diseases/complications , Lacrimal Apparatus Diseases/physiopathology , Prevalence , Retrospective Studies , Rosacea/physiopathology , Tears/physiology
6.
Ocul Immunol Inflamm ; 21(3): 220-4, 2013 Jun.
Article in English | MEDLINE | ID: mdl-23480602

ABSTRACT

PURPOSE: We report an unusual case of orbital IgG4-related disease and discuss the distinguishing characteristics of the ophthalmic disease subtype. DESIGN: Case report. METHODS: Literature review and case description. RESULTS: Although lacrimal gland involvement has always been reported and elevated serum IgG4 is commonly observed, our case demonstrated neither in light of biopsy-proven IgG4 orbital involvement. A course of systemic steroids resolved our patient's periorbital abnormalities. CONCLUSIONS: IgG4-related orbital disease mandates a high index of suspicion, and should be confirmed by tissue biopsy. Possible progression to MALT lymphoma necessitates close surveillance and may require repeat biopsy.


Subject(s)
Immunoglobulin G/metabolism , Lacrimal Apparatus/metabolism , Lymphoma, B-Cell, Marginal Zone/diagnosis , Orbital Neoplasms/metabolism , Biopsy , Diagnosis, Differential , Female , Humans , Immunoglobulin G/immunology , Lacrimal Apparatus/pathology , Lymphoma, B-Cell, Marginal Zone/immunology , Lymphoma, B-Cell, Marginal Zone/metabolism , Orbital Neoplasms/diagnosis , Orbital Neoplasms/immunology , Tomography, X-Ray Computed , Young Adult
7.
Orbit ; 32(3): 178-80, 2013 Jun.
Article in English | MEDLINE | ID: mdl-23480777

ABSTRACT

Orbital varix is a rare venous malformation within the orbit that is especially susceptible to thrombosis and hemorrhage. We report a unique case of vision-threatening orbital varix thrombosis resulting from prolonged prone positioning during an orthopedic spine procedure.


Subject(s)
Decompression, Surgical , Orbit/blood supply , Orbital Diseases/etiology , Postoperative Complications/etiology , Prone Position , Thrombosis/etiology , Female , Glucocorticoids/therapeutic use , Humans , Magnetic Resonance Imaging , Methylprednisolone/therapeutic use , Middle Aged , Ophthalmic Solutions/therapeutic use , Orbital Diseases/diagnosis , Orbital Diseases/drug therapy , Postoperative Complications/diagnosis , Postoperative Complications/drug therapy , Thrombosis/diagnosis , Thrombosis/drug therapy
8.
Dermatol Surg ; 39(1 Pt 1): 24-9, 2013 Jan.
Article in English | MEDLINE | ID: mdl-23252719

ABSTRACT

BACKGROUND: The effect of perceived facial blanching with neurotoxin therapy has been described in the literature and has been used to treat the undesirable facial flushing of Frey's syndrome. Patients rarely report it as a complication after cosmetic injection, but it can be distressing. OBJECTIVES: To elucidate the proposed mechanism(s) of this unusual vasculocutaneous phenomenon, we reviewed normal physiologic responses to heat stress and the role of cholinergic neurotransmission in modulating cutaneous vascular tone in the context of the literature. MATERIALS/METHODS: We report a case of a 32-year-old woman who complained of white patches on her forehead at sites of abobotulinumtoxinA injections administered 2 weeks before presentation. RESULTS: Acetylcholine is a primary mediator of cutaneous vasodilatation; certain co-transmitters modulate its effect. Chemical denervation by botulinum toxin (BoNT) appears to interfere with these normal signaling pathways and can provide symptomatic relief to patients with undesirable facial flushing. Conversely, it may create an unwanted cosmetic effect in patients who desire isolated muscle paresis. CONCLUSIONS: Skin sites injected with BoNT type A may not experience the expected decrease in cutaneous vessel tone associated with higher body temperature. The exact mechanism remains unclear.


Subject(s)
Botulinum Toxins, Type A/pharmacology , Neurotoxins/pharmacology , Pallor/chemically induced , Vasoconstriction/drug effects , Adult , Botulinum Toxins, Type A/adverse effects , Botulinum Toxins, Type A/metabolism , Erythema/drug therapy , Face/blood supply , Female , Humans , Neurotoxins/adverse effects , Neurotoxins/metabolism , Signal Transduction/drug effects , Skin/blood supply , Sweating, Gustatory/drug therapy
9.
Mol Vis ; 16: 2236-41, 2010 Nov 02.
Article in English | MEDLINE | ID: mdl-21139690

ABSTRACT

PURPOSE: To study lysyl oxidase-like 1 (LOXL1) expression in freshly collected lens capsules from pseudoexfoliation syndrome (XFS), pseudoexfoliation glaucoma (XFG), and normal cataract control individuals. We also investigated the effects of four glaucoma drug medications on LOXL1 expression in primary human lens epithelial cell cultures to see if they could affect LOXL1 expression. METHODS: Lens capsules were collected at the time of cataract surgery. Controls were matched to age, sex, and ethnicity. Total RNA was isolated from individual lens capsule samples and real-time PCR was performed on each sample using primers flanking the sixth exon of the LOXL1 gene. Cell cultures were grown to confluence in four separate six-well plates at 37 °C in 5% CO2. Each plate was then treated with one of four different glaucoma drugs (brinzolamide 1%, brimonidine tartrate 0.1%, timolol maleate 0.5%, and latanoprost 0.005%) once daily for seven days (at both 1:1,000 and 1:100 concentrations relative to media). Controls were not treated with any drug but media was changed in the same manner. After one week of treatment, cells were harvested and total RNA isolated. Real-time PCR was performed on each group of cells. RESULTS: Seven XFS, seven XFG, and ten cataract control specimens were analyzed. LOXL1 expression was detected in the lens capsule specimens from each of the four groups. Significant expression differences were found between the control and XFG groups and XFS and XFG groups. No significant difference was observed between the control and XFS group. No significant decrease in LOXL1 expression was seen with drug incubation of the four medications (Brinzolamide, Timolol, Latanoprost, and Brimonidine) at the 1:1,000 drug:media concentrations versus controls. At 10-fold higher concentrations (1:100 drug:media), brinzolamide, timolol maleate, and latanoprost showed small increases in LOXL1 expression relative to controls. This effect was not observed with brimonidine tartrate. CONCLUSIONS: These results establish that LOXL1 expression is reduced in lens capsule specimens from XFG individuals but not XFS. The drug treatment incubation studies suggest that the change in LOXL1 expression observed in XFG is not attributable to glaucoma drug therapy. If a causative functional relationship can be validated, modification of LOXL1 expression in affected tissues may represent a novel treatment strategy for this disorder.


Subject(s)
Amino Acid Oxidoreductases/metabolism , Exfoliation Syndrome/complications , Exfoliation Syndrome/enzymology , Glaucoma/complications , Glaucoma/enzymology , Lens Capsule, Crystalline/enzymology , Lens Capsule, Crystalline/pathology , Adult , Amino Acid Oxidoreductases/genetics , Epithelial Cells/enzymology , Epithelial Cells/pathology , Exfoliation Syndrome/genetics , Female , Gene Expression Regulation, Enzymologic , Glaucoma/genetics , Humans , Male , Middle Aged
SELECTION OF CITATIONS
SEARCH DETAIL
...