Your browser doesn't support javascript.
loading
Mostrar: 20 | 50 | 100
Resultados 1 - 20 de 52
Filtrar
1.
Aesthet Surg J ; 40(7): 767-777, 2020 06 15.
Artículo en Inglés | MEDLINE | ID: mdl-31346621

RESUMEN

BACKGROUND: Juvéderm Vollure XC (VYC-17.5L; Allergan plc, Dublin, Ireland) belongs to a family of hyaluronic acid gels based on the Vycross technology platform. OBJECTIVES: The authors sought to evaluate the safety and effectiveness of Vollure for correction of moderate to severe nasolabial folds (NLFs) over 18 months and after repeat treatment. METHODS: In this prospective, randomized study, patients (N = 123) received initial/touch-up treatment with Vollure in 1 NLF and control filler in the contralateral NLF. Patients received optional repeat treatment with Vollure after month 12, 15, or 18. Assessments included investigator-rated NLF Severity Scale responder rates (≥1-point improvement vs baseline), patient-assessed Appraisal of Nasolabial Folds scale of the FACE-Q questionnaire, and patient satisfaction (11-point scale). RESULTS: Median volume of Vollure injected was 1.7 mL for initial/touch-up treatment combined and 0.6 mL for repeat treatment. The NLF Severity Scale responder rates were 93%, 85%, and 59% at months 6, 9, and 18 after initial/touch-up treatment and increased to 94% at 1 month after repeat treatment. Mean patient-reported FACE-Q scores significantly improved from baseline at all timepoints. Most patients were very satisfied with treatment at all timepoints from day 3 (75%) through month 18 (68%) and at 1 month after repeat treatment (94%). Common injection site responses after initial/touch-up and repeat treatment were firmness, swelling, and tenderness to touch; most were mild/moderate. CONCLUSIONS: Vollure was safe and effective for correction of moderate to severe NLFs, with results lasting 18 months in 59% of NLFs. Repeat treatment required one-third of the injection volume to achieve similar improvement in NLF severity as initial/touch-up treatment.


Asunto(s)
Técnicas Cosméticas , Ácido Hialurónico , Envejecimiento de la Piel , Técnicas Cosméticas/efectos adversos , Humanos , Surco Nasolabial , Satisfacción del Paciente , Estudios Prospectivos , Resultado del Tratamiento
2.
Aesthet Surg J ; 39(4): 413-422, 2019 03 14.
Artículo en Inglés | MEDLINE | ID: mdl-29506034

RESUMEN

BACKGROUND: VYC-15L (Juvéderm Volbella XC) is a nonanimal crosslinked hyaluronic acid (HA) gel with lidocaine. OBJECTIVES: To evaluate safety and effectiveness of repeat treatment with VYC-15L administered 1 year after treatment for lip and perioral enhancement. METHODS: In this prospective multicenter study, 124 subjects with minimal, mild, or moderate lip fullness on the validated 5-point Allergan Lip Fullness Scale (LFS) who received initial/touch-up treatment with VYC-15L received repeat treatment with VYC-15L 1 year after initial treatment. Effectiveness endpoints included LFS responder rates (≥1-point improvement from baseline) and scores on the FACE-Q Satisfaction With Lips and Appraisal of Lip Lines scales at 1 month after repeat treatment. Subjects completed safety diaries for 30 days after repeat treatment. RESULTS: LFS responder rates were 86.2%, 80.3%, and 65.3% at months 1 and 3 and 1 year, respectively, after initial/touch-up treatment. The responder rate improved to 94.3% 1 month after repeat treatment with VYC-15L and required less median volume vs initial/touch-up treatment (1.5 vs 2.6 mL). FACE-Q scores doubled from baseline at 3 months, remained high through 1 year, and doubled from baseline after repeat treatment. At 1 month after repeat treatment, 96.7% and 89.3% of subjects showed improvement over baseline in FACE-Q Satisfaction With Lips and Appraisal of Lip Lines, respectively. Severe injection site responses were less frequent after repeat treatment than initial/touch-up treatment. CONCLUSIONS: Repeat treatment with VYC-15L at 1 year was safe and effective for lip and perioral enhancement, and required less product volume to achieve similar effectiveness to initial/touch-up treatment.


Asunto(s)
Técnicas Cosméticas , Rellenos Dérmicos/administración & dosificación , Ácido Hialurónico/administración & dosificación , Labio , Adulto , Anciano , Técnicas Cosméticas/efectos adversos , Rellenos Dérmicos/efectos adversos , Femenino , Estudios de Seguimiento , Humanos , Lidocaína/administración & dosificación , Masculino , Persona de Mediana Edad , Satisfacción del Paciente , Estudios Prospectivos , Adulto Joven
3.
Aesthet Surg J ; 39(8): 875-883, 2019 07 12.
Artículo en Inglés | MEDLINE | ID: mdl-30165661

RESUMEN

BACKGROUND: Women with breast implants may have concerns about their ability to successfully breast-feed. The Breast Implant Follow-up Study (BIFS-001) is a large, 10-year observational study evaluating the performance and safety of Natrelle round silicone gel-filled breast implants. OBJECTIVES: This analysis compared lactation outcomes in women enrolled in BIFS-001 who gave birth after they underwent primary augmentation with Natrelle round silicone implants or saline implants. METHODS: At baseline and annually after surgery (>5-year visit window), patients completed questionnaires regarding pregnancy and lactation. Comparisons were made using summary statistics and odds ratios with 90% confidence intervals (OR [90% CI]). RESULTS: A total of 4679 subjects gave birth at least once after primary augmentation for a total of 5736 live births during the study (silicone, 3695 births; saline, 2041 births). Of these, 3715 (79.4%) women breast-fed at least 1 child, resulting in 80.0% (silicone) and 75.9% (saline) of babies being breast-fed. The most common complication was insufficient milk production, which was reported for 19.6% (silicone) and 19.8% (saline) of single births (OR, 0.94 [0.83, 1.06]). Complications occurred at similar rates in each group when evaluated by incision type, implant size, pocket location, and age. CONCLUSIONS: In this large group of women who gave birth after primary breast augmentation with Natrelle round silicone implants or saline implants, most were able to breast-feed their infants without complications. Lactation complications were comparable between the silicone and saline cohorts, and the incidence was comparable to reports in the general population of women who breast-feed.


Asunto(s)
Lactancia Materna/estadística & datos numéricos , Implantación de Mama/efectos adversos , Implantes de Mama/efectos adversos , Lactancia , Adulto , Implantación de Mama/instrumentación , Femenino , Estudios de Seguimiento , Humanos , Recién Nacido , Edad Materna , Geles de Silicona/efectos adversos , Encuestas y Cuestionarios/estadística & datos numéricos , Adulto Joven
4.
Stat Med ; 37(18): 2734-2752, 2018 08 15.
Artículo en Inglés | MEDLINE | ID: mdl-29707825

RESUMEN

Many published scale validation studies determine inter-rater reliability using the intra-class correlation coefficient (ICC). However, the use of this statistic must consider its advantages, limitations, and applicability. This paper evaluates how interaction of subject distribution, sample size, and levels of rater disagreement affects ICC and provides an approach for obtaining relevant ICC estimates under suboptimal conditions. Simulation results suggest that for a fixed number of subjects, ICC from the convex distribution is smaller than ICC for the uniform distribution, which in turn is smaller than ICC for the concave distribution. The variance component estimates also show that the dissimilarity of ICC among distributions is attributed to the study design (ie, distribution of subjects) component of subject variability and not the scale quality component of rater error variability. The dependency of ICC on the distribution of subjects makes it difficult to compare results across reliability studies. Hence, it is proposed that reliability studies should be designed using a uniform distribution of subjects because of the standardization it provides for representing objective disagreement. In the absence of uniform distribution, a sampling method is proposed to reduce the non-uniformity. In addition, as expected, high levels of disagreement result in low ICC, and when the type of distribution is fixed, any increase in the number of subjects beyond a moderately large specification such as n = 80 does not have a major impact on ICC.


Asunto(s)
Variaciones Dependientes del Observador , Reproducibilidad de los Resultados , Sesgo , Simulación por Computador , Humanos , Tamaño de la Muestra
5.
Dermatol Surg ; 44(5): 670-678, 2018 May.
Artículo en Inglés | MEDLINE | ID: mdl-29701621

RESUMEN

BACKGROUND: Juvéderm Vollure XC (VYC-17.5L) belongs to a family of nonanimal hyaluronic acid (HA) gels based on the Vycross technology platform. OBJECTIVE: To evaluate the safety and effectiveness of VYC-17.5L for correction of moderate to severe nasolabial folds (NLFs) compared with a control HA dermal filler. METHODS: In this double-blind study, 123 adults with 2 moderate or severe NLFs as measured on the 5-point photonumeric NLF severity scale (NLFSS) were randomized to VYC-17.5L in 1 NLF and control in the contralateral NLF. The coprimary effectiveness end points at Month 6 were difference in improvement in mean NLFSS score for VYC-17.5L versus control and NLFSS responder rate (≥1-point improvement) for VYC-17.5L. RESULTS: The coprimary effectiveness end points were met. NLFSS scores improved by 1.4 with VYC-17.5L and by 1.3 with control; NLFSS responder rate with VYC-17.5L was 93.2%. More than three-quarters of subjects (82%) treated with VYC-17.5L were very satisfied at Month 6. Investigators reported that VYC-17.5L was smoother and more natural looking and easier to inject and mold than control. VYC-17.5L resulted in significantly fewer severe injection site responses than control. CONCLUSION: VYC-17.5L was safe and effective for correcting moderate to severe NLFs, with results lasting through 6 months in 93% of subjects.


Asunto(s)
Rellenos Dérmicos/administración & dosificación , Ácido Hialurónico/administración & dosificación , Surco Nasolabial , Satisfacción del Paciente , Envejecimiento de la Piel/efectos de los fármacos , Adulto , Anciano , Anciano de 80 o más Años , Estudios de Casos y Controles , Técnicas Cosméticas , Rellenos Dérmicos/efectos adversos , Método Doble Ciego , Femenino , Estudios de Seguimiento , Geles/administración & dosificación , Humanos , Ácido Hialurónico/efectos adversos , Inyecciones Intralesiones/métodos , Masculino , Persona de Mediana Edad , Resultado del Tratamiento
6.
Plast Reconstr Surg ; 140(4): 666-679, 2017 Oct.
Artículo en Inglés | MEDLINE | ID: mdl-28953716

RESUMEN

BACKGROUND: The U.S. Food and Drug Administration has required postapproval studies of silicone breast implants to evaluate the incidence of rare adverse events over 10 years after implantation. METHODS: The Breast Implant Follow-Up Study is a large 10-year study (>1000 U.S. sites) evaluating long-term safety following primary augmentation, revision-augmentation, primary reconstruction, or revision-reconstruction with Natrelle round silicone breast implants compared with national norms and outcomes with saline implants. Targeted adverse events in subjects followed for 5 to 8 years included connective tissue diseases, neurologic diseases, cancer, and suicide. RESULTS: The safety population comprised 55,279 women (primary augmentation, n = 42,873; revision-augmentation, n = 6837; primary reconstruction, n = 4828; and revision-reconstruction, n = 741). No targeted adverse events occurred at significantly greater rates in silicone implant groups versus national norms across all indications. The standardized incidence rate (observed/national norm) for all indications combined was 1.4 for cervical/vulvar cancer, 0.8 for brain cancer, 0.3 for multiple sclerosis, and 0.1 for lupus/lupus-like syndrome. Silicone implants did not significantly increase the risk for any targeted adverse events compared with saline implants. The risk of death was similar with silicone versus saline implants across all indications. The suicide rate (10.6 events per 100,000 person-years) was not significantly higher than the national norm. No implant-related deaths occurred. CONCLUSIONS: Results from 5 to 8 years of follow-up for a large number of subjects confirmed the safety of Natrelle round silicone implants, with no increased risk of systemic disease or suicide versus national norms or saline implants. CLINICAL QUESTION/LEVEL OF EVIDENCE: Therapeutic, II.


Asunto(s)
Implantes de Mama/efectos adversos , Predicción , Contractura Capsular en Implantes/epidemiología , Geles de Silicona/efectos adversos , Adulto , Femenino , Estudios de Seguimiento , Humanos , Incidencia , Persona de Mediana Edad , Satisfacción del Paciente , Diseño de Prótesis , Falla de Prótesis , Reoperación , Estudios Retrospectivos , Estados Unidos/epidemiología
7.
Plast Reconstr Surg Glob Open ; 5(5): e1327, 2017 May.
Artículo en Inglés | MEDLINE | ID: mdl-28607855

RESUMEN

BACKGROUND: Soft-tissue support devices are used during breast reconstruction. This study investigated long-term clinical data following SERI Surgical Scaffold (SERI) implantation, a bioresorbable, silk-derived scaffold for soft-tissue support. METHODS: This was a prospective, multicenter study in 103 subjects who received SERI during stage 1 of 2-stage breast reconstruction with subpectoral tissue expander placement (Natrelle Style 133V; Allergan plc, Dublin, Ireland) followed by subpectoral breast implant placement. Investigator satisfaction (11-point scale: 0, very dissatisfied and 10, very satisfied) at 6 months was the primary endpoint. Ease of use, satisfaction, scaffold palpability/visibility, breast anatomy measurements via 3D images, SERI integration, histology, and safety were also assessed through 2 years after stage 1 surgery. RESULTS: Analyses were performed on the per-protocol population (103 subjects; 161 breasts) with no protocol deviations that could affect outcomes. Ease of use and subject and investigator satisfaction with SERI were high throughout 2 years. Breast anatomy measurements with 3D images demonstrated long-term soft-tissue stability of the lower breast mound. Key complication rates per breast were tissue/skin necrosis and wrinkling/rippling (8.1% each) and seroma, wound dehiscence, and breast redness (5.0% each). Over 2 years, 4 breasts in 4 subjects underwent reoperation with explantation of any device; 2 breasts required SERI explantation. SERI was retained in 98.8% of breasts (159/161) at 2 years. CONCLUSIONS: SERI was associated with high and consistent levels of investigator and subject satisfaction and demonstrated soft-tissue stability in the lower breast through 2 years. SERI provides a safe, long-term benefit for soft-tissue support in 2-stage breast reconstruction.

8.
Plast Reconstr Surg ; 139(6): 1250e-1259e, 2017 Jun.
Artículo en Inglés | MEDLINE | ID: mdl-28538556

RESUMEN

BACKGROUND: Hyaluronic acid gels are used to restore volume to the midface, but there are few data published on this use in Asian subjects. METHODS: This study evaluated the safety and effectiveness in Chinese subjects of Juvéderm Voluma, a 20-mg/ml hyaluronic acid gel formulated for midface volumizing. This prospective, multicenter study randomized 119 subjects aged 18 years or older to a treatment group and 27 subjects to a no-treatment control group. The primary effectiveness endpoint was the objectively measured magnitude of change from baseline in volume of the midface area (right and left combined) calculated by digital analysis at month 6 using three-dimensional images for all subjects in both groups. Effectiveness was protocol-defined as a mean change for the treatment group that was significantly greater than that for the control group at month 6 using a one-side two-group t test performed at the 5 percent level. RESULTS: With a median volume of 2 ml of Voluma injected, the primary effectiveness endpoint was met, with the mean change from baseline to 6 months in malar volume for the treatment group (1.83 ml) being significantly greater than that for the control group (0.11 ml; p < 0.001). The secondary effectiveness endpoints of responder rate (malar volumization rated improved or much improved) using the Global Aesthetic Improvement Scale as assessed at month 6 by the investigator and by the subject were 98.2 and 93.8 percent, respectively. The most common treatment-related adverse events were mild injection-site swelling and bruising. CONCLUSION: Juvéderm Voluma is effective and well tolerated for midface augmentation in Chinese subjects. CLINICAL QUESTION/LEVEL OF EVIDENCE: Therapeutic, II.


Asunto(s)
Mejilla , Técnicas Cosméticas , Ácido Hialurónico/farmacología , Seguridad del Paciente/estadística & datos numéricos , Adulto , Pueblo Asiatico/estadística & datos numéricos , China , Estética , Femenino , Humanos , Inyecciones Subcutáneas , Masculino , Persona de Mediana Edad , Satisfacción del Paciente/estadística & datos numéricos , Estudios Prospectivos , Valores de Referencia , Rejuvenecimiento , Adulto Joven
9.
Plast Reconstr Surg Glob Open ; 5(1): e1133, 2017 Jan.
Artículo en Inglés | MEDLINE | ID: mdl-28203492

RESUMEN

BACKGROUND: Hyaluronic acid dermal fillers are effective in correcting severe nasolabial folds (NLFs) in non-Asian populations. We assessed safety and effectiveness of Juvéderm Ultra Plus in a Chinese population. METHODS: This double-blind study randomized Chinese subjects with severe NLFs to Juvéderm Ultra Plus (24 mg/mL) in 1 NLF and Restylane injectable gel (20 mg/mL) in the other NLF. NLFs were evaluated using the validated 5-point photonumeric Allergan NLF Severity Scale (0 is "no wrinkle" and 4 is "very deep wrinkle"). Investigator-assessed responder rates (primary outcome at 6 months), NLF mean improvements, and subject-assessed responder rates and preference were assessed. RESULTS: Of 124 subjects randomized, 122 completed the 6-month visit. NLFs treated with Juvéderm Ultra Plus required less volume than those treated with Restylane (median [range]: 0.80 [0.3-2.0] vs 1.00 [0.3-1.9]; P<0.001). Investigator-assessed responder rates were 90.4% for Juvéderm Ultra Plus and 89.6% for Restylane, establishing noninferiority of Juvéderm Ultra Plus. Mean (SD) improvements in NLF Severity Scale scores from baseline at 6 months were 1.5 (0.75) for Juvéderm Ultra Plus and 1.6 (0.73) for Restylane. Subject-assessed responder rates were similar to investigator-assessed rates (87.3%, Juvéderm Ultra Plus; 83.9%, Restylane). Of subjects reporting a preference, 62.1% preferred Juvéderm Ultra Plus. The most common treatment site responses were swelling and tenderness; most were mild or moderate in severity and resolved without intervention. Juvéderm Ultra Plus had fewer severe treatment site responses than Restylane. CONCLUSION: In this study in Chinese subjects, Juvéderm Ultra Plus was safe and effective for correcting severe NLFs.

10.
Dermatol Surg ; 43(3): 396-404, 2017 Mar.
Artículo en Inglés | MEDLINE | ID: mdl-28157728

RESUMEN

BACKGROUND: VYC-15L (Juvéderm Volbella XC) is a nonanimal crosslinked hyaluronic acid (HA) gel with lidocaine. OBJECTIVE: To evaluate the safety and effectiveness of VYC-15L for lip and perioral enhancement versus a nonanimal stabilized HA with lidocaine (Restylane-L; NASHA). METHODS: This prospective multicenter study randomized 225 adults with minimal, mild, or moderate lip fullness on the validated 5-point Allergan Lip Fullness Scale (LFS) to treatment with VYC-15L or NASHA; optional touch-up was administered 30 days later. Subjects were followed for 1 year. The primary effectiveness end point was noninferiority of VYC-15L versus NASHA by mean change in LFS score from baseline to Month 3. RESULTS: The primary end point was met. At Month 3, LFS responder rates were 80.3% for VYC-15L versus 70.8% for NASHA. LFS responder rates exceeded 60% through 1 year with VYC-15L. Perioral lines severity improved for 65.4% and 66.2% of VYC-15L subjects at Month 3 and Year 1, respectively. At Month 3, 96.1% and 88.2% of subjects reported improvement in FACE-Q Satisfaction With Lips and Satisfaction With Lip Lines, respectively. Severe injection site responses were reported less frequently with VYC-15L than NASHA. CONCLUSION: VYC-15L was safe and effective for lip and perioral enhancement, with treatment effects lasting through 1 year.


Asunto(s)
Cara , Ácido Hialurónico/administración & dosificación , Rejuvenecimiento , Envejecimiento de la Piel/efectos de los fármacos , Viscosuplementos/administración & dosificación , Adulto , Anciano , Método Doble Ciego , Femenino , Estudios de Seguimiento , Humanos , Inyecciones Intradérmicas , Labio/efectos de los fármacos , Masculino , Persona de Mediana Edad , Estudios Prospectivos , Resultado del Tratamiento , Estados Unidos
SELECCIÓN DE REFERENCIAS
DETALLE DE LA BÚSQUEDA