Phanette Gir

University of Texas Southwestern Medical Center, Dallas, TX, United States

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Publications (3)6.49 Total impact

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    ABSTRACT: Over the past 20 years, there has been a dramatic increase in the use of autologous fat grafting to treat volume and contour defects in aesthetic and reconstructive surgery. It is generally accepted that fat grafting is safe, with good patient satisfaction. However, there are many procedural variations, and in terms of objective clinical effectiveness, the major disadvantage of this technique remains the unpredictable fat resorption rates and subsequent adverse events. Because of the rapidly evolving nature of this procedure, this review article provides an update on previous reviews by looking at the current evidence base regarding fat graft techniques and their effect on clinical outcome. A systematic review of the scientific literature listed on PubMed was performed using 20 search terms focused on harvesting, processing, reinjection, and conservation of fat grafting. An evidence-based system was used to determine eligibility for clinical and preclinical studies. Thirty-seven articles were selected based on inclusion and exclusion criteria: five articles were clinical trials and 32 were experimental comparative studies examining human fat grafting. This systematic review revealed a lack of high-quality data despite the increase in fat grafting over the past 20 years. At present, there is no evidence that supports specific procedural standardization. Evidence-based studies that incorporate randomized controlled, prospective, multicenter trials are required to understand which factors influence positive fat grafting clinical outcomes.
    Plastic and reconstructive surgery 07/2012; 130(1):249-58. · 2.74 Impact Factor
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    ABSTRACT: Pedicled-perforator (propeller) flaps for lower extremity reconstruction have gained popularity due to minimal donor site morbidity, relatively simple surgical technique, and replacement of tissue using "like-by-like" principles. We reviewed and analyzed the clinical use of these flaps in regards to patient age and gender, etiology and location of the defect, size and type of flap, arc of rotation, and complications to determine the reliability of this technique. A systematic review of the PubMed database using search terms to include perforator, pedicled, and propeller flaps in the lower extremity. Data from 15 case series provided 186 cases of pedicled-perforator (propeller) flaps for analysis using Chi-square tests. The Peroneal Artery Perforator (PAP) flaps and Posterior Tibial Artery Perforator (PTAP) flaps were the most frequently used flaps. The overall complication rate was 25.8% and the failure rate was 1.1%. No significant differences were found in complication rate related to age, gender, etiology or location of the defect, type or size of the flap. The most common complications were partial flap loss and venous congestion (11.3 and 8.1%). Pedicled-perforator flaps appear to be a reliable and safe procedure for the coverage soft tissue defects of the lower extremity based on favorable results reported in the literature.
    Journal of Reconstructive Microsurgery 06/2012; 28(9):595-602. · 1.00 Impact Factor
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    ABSTRACT: Adipose-derived stem cells are multipotent cells that can easily be extracted from adipose tissue, are capable of expansion in vitro, and have the capacity to differentiate into multiple cell lineages, which have the potential for use in regenerative medicine. However, several issues need to be studied to determine safe human use. For example, there are questions related to isolation and purification of adipose-derived stem cells, their effect on tumor growth, and the enforcement of U.S. Food and Drug Administration regulations. Numerous studies have been published, with the interest in the potential for regenerative medicine continually growing. Several clinical trials using human adipose stem cell therapy are currently being performed around the world, and there has been a rapid evolution and expansion of their number. The purpose of this article was to review the current published basic science evidence and ongoing clinical trials involving the use of adipose-derived stem cells in plastic surgery and in regenerative medicine in general. The results of the studies and clinical trials using adipose-derived stem cells reported in this review seem to be promising not only in plastic surgery but also in a wide variety of other specialties. Nevertheless, those reported showed disparity in the way adipose-derived stem cells were used. Further basic science experimental studies with standardized protocols and larger randomized trials need to be performed to ensure safety and efficacy of adipose-derived stem cells use in accordance with U.S. Food and Drug Administration guidelines.
    Plastic and reconstructive surgery 06/2012; 129(6):1277-90. · 2.74 Impact Factor