16 research outputs found
Socioeconomic Impact of Ethnic Cosmetic Surgery: Trends and Potential Financial Impact the African American, Asian American, Latin American, and Middle Eastern Communities Have on Cosmetic Surgery
The popularity of cosmetic surgery has increased around the world, and whereas in the past, the patient base consisted of mainly Caucasian individuals, interest in this field has grown among persons of varying ethnic backgrounds. Growing interest enables ethnic populations to contribute to the economic growth of the cosmetic surgery industry and impact the direction of the field in the future. Minority populations accounted for 22% of the cosmetic procedures performed in 2007, with the most common being liposuction, Botox® generic botulinum toxin type A (Allergan, Inc., Irvine, CA), and chemical peels. Ultimately, changes in the population characteristics of the plastic surgery patient will alter the techniques of plastic surgeons that treat ethnic patients to cater to their physical differences. Factors such as increased cultural acceptance of plastic surgery, growing ethnic populations, and media emphasis on personal appearance have contributed to the increase in minorities seeking out cosmetic surgery. Escalating economic power within these populations has created an additional potentially lucrative market for interested plastic surgeons
Anatomic Considerations and Reconstruction of the Thumb Flexor Pulley System
Disruption to the flexor pulley system of the thumb is an infrequent but devastating injury that can lead to significant compromise in both strength and function. Acute rupture leads to pain, weakness, reduced range of motion (ROM), and potential bowstringing of the flexor tendons. Conservative treatment with a pulley ring should be considered in all patients. However, failure of conservative treatment and bowstringing of the thumb are indications for operative intervention. Reconstruction of the oblique pulley system can be performed either in situ or using a free palmaris longus graft. Care should be taken to identify the neurovascular bundles to avoid compression during the reconstruction. Conscious sedation protocols augmented by ultrasound-guided sheath blocks allow the patient to actively and strongly contract the flexor pollicis longus tendon intraoperatively to appropriately tension the construct for optimal results. Rehabilitation should be performed in a stepwise manner beginning with early passive ROM, active ROM, and finally strengthening at around 8 weeks postoperative
Preserving the Knee in the Setting of High Segmental Tibial Bone and Massive Soft-Tissue Loss Using Vascularized Distal Tibial Bone Docking and a Foot Fillet Flap: A Case Report
Case: We discuss our reconstructive approach to avoid an above-knee amputation in a 33-year-old man presenting after lower extremity crush injury. We used a vascularized tibial bone flap and a foot fillet flap to restore length and joint functionality to the residual limb. The patient ambulates with good prosthetic fit on durable heel pad skin and 100° active knee motion.
Conclusion: This pairing of intramedullary nail with vascularized bone flap and fillet flap to address soft-tissue coverage and retain limb length is a useful tool in traumatic lower extremity injury management, providing an alternative technique for tibial bone graft stabilization with robust, sensate tissue coverage
Adeno-Associated Virus 5 Transduces Adipose-Derived Stem Cells with Greater Efficacy Than Other Adeno- Associated Viral Serotypes
Adipose-derived stem cells (ASCs) have shown potential in the treatment of a myriad of diseases; however, infusion of cells alone is unlikely to provide the full range of potential therapeutic applications. Transient genetic manipulation of ASCs could increase their repair and regeneration characteristics in a disease-specific context, essentially transforming them into drug-eluting depots. The goal of this study was to determine the optimal parameters necessary to transduce ASCs with recombinant adeno-associated virus (rAAV), an approved gene therapy vector that has never been associated with disease. Transduction and duration of gene expression of the most common recombinant AAV vectors were tested in this study. Among all tested serotypes, rAAV5 resulted in both the highest and longest term expression. Furthermore, we determined the glycosylation profile of ASCs before and after neuraminidase treatment and demonstrate that rAAV5 transduction requires plasma membrane-associated sialic acid. Future studies will focus on the optimization of gene delivery to ASCs, using rAAV5 as the vector of choice, to drive biological drug delivery, engraftment, and disease correction
Preserving the Knee in the Setting of High Segmental Tibial Bone and Massive Soft-Tissue Loss Using Vascularized Distal Tibial Bone Docking and a Foot Fillet Flap: A Case Report
Case: We discuss our reconstructive approach to avoid an above-knee amputation in a 33-year-old man presenting after lower extremity crush injury. We used a vascularized tibial bone flap and a foot fillet flap to restore length and joint functionality to the residual limb. The patient ambulates with good prosthetic fit on durable heel pad skin and 100° active knee motion.
Conclusion: This pairing of intramedullary nail with vascularized bone flap and fillet flap to address soft-tissue coverage and retain limb length is a useful tool in traumatic lower extremity injury management, providing an alternative technique for tibial bone graft stabilization with robust, sensate tissue coverage
Adeno-Associated Virus 5 Transduces Adipose-Derived Stem Cells with Greater Efficacy Than Other Adeno-Associated Viral Serotypes
Adipose-derived stem cells (ASCs) have shown potential in the treatment of a myriad of diseases; however, infusion of cells alone is unlikely to provide the full range of potential therapeutic applications. Transient genetic manipulation of ASCs could increase their repair and regeneration characteristics in a disease-specific context, essentially transforming them into drug-eluting depots. The goal of this study was to determine the optimal parameters necessary to transduce ASCs with recombinant adeno-associated virus (rAAV), an approved gene therapy vector that has never been associated with disease. Transduction and duration of gene expression of the most common recombinant AAV vectors were tested in this study. Among all tested serotypes, rAAV5 resulted in both the highest and longest term expression. Furthermore, we determined the glycosylation profile of ASCs before and after neuraminidase treatment and demonstrate that rAAV5 transduction requires plasma membrane-associated sialic acid. Future studies will focus on the optimization of gene delivery to ASCs, using rAAV5 as the vector of choice, to drive biological drug delivery, engraftment, and disease correction
Anatomic Considerations and Reconstruction of the Thumb Flexor Pulley System
Disruption to the flexor pulley system of the thumb is an infrequent but devastating injury that can lead to significant compromise in both strength and function. Acute rupture leads to pain, weakness, reduced range of motion (ROM), and potential bowstringing of the flexor tendons. Conservative treatment with a pulley ring should be considered in all patients. However, failure of conservative treatment and bowstringing of the thumb are indications for operative intervention. Reconstruction of the oblique pulley system can be performed either in situ or using a free palmaris longus graft. Care should be taken to identify the neurovascular bundles to avoid compression during the reconstruction. Conscious sedation protocols augmented by ultrasound-guided sheath blocks allow the patient to actively and strongly contract the flexor pollicis longus tendon intraoperatively to appropriately tension the construct for optimal results. Rehabilitation should be performed in a stepwise manner beginning with early passive ROM, active ROM, and finally strengthening at around 8 weeks postoperative
Adeno-Associated Virus 5 Transduces Adipose-Derived Stem Cells with Greater Efficacy Than Other Adeno- Associated Viral Serotypes
Adipose-derived stem cells (ASCs) have shown potential in the treatment of a myriad of diseases; however, infusion of cells alone is unlikely to provide the full range of potential therapeutic applications. Transient genetic manipulation of ASCs could increase their repair and regeneration characteristics in a disease-specific context, essentially transforming them into drug-eluting depots. The goal of this study was to determine the optimal parameters necessary to transduce ASCs with recombinant adeno-associated virus (rAAV), an approved gene therapy vector that has never been associated with disease. Transduction and duration of gene expression of the most common recombinant AAV vectors were tested in this study. Among all tested serotypes, rAAV5 resulted in both the highest and longest term expression. Furthermore, we determined the glycosylation profile of ASCs before and after neuraminidase treatment and demonstrate that rAAV5 transduction requires plasma membrane-associated sialic acid. Future studies will focus on the optimization of gene delivery to ASCs, using rAAV5 as the vector of choice, to drive biological drug delivery, engraftment, and disease correction