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Tiongco RFP, Puthumana JS, Khan IF, Aravind P, Cheah MA, Sacks JM, Manahan M, Cooney CM, Rosson GD. The Use of Alloderm® Coverage to Reinforce Tissues in Two-Stage Tissue Expansion Placement in the Subcutaneous (Prepectoral) Plane: A Prospective Pilot Study. Cureus 2022; 14:e27680. [PMID: 36072166 PMCID: PMC9440738 DOI: 10.7759/cureus.27680] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 07/31/2022] [Indexed: 11/17/2022] Open
Abstract
Purpose: Two-stage tissue expander (TE) to implant breast reconstruction is commonly performed by plastic surgeons. Prepectoral implant placement with acellular dermal matrix (ADM, e.g., AlloDerm®) reinforcement is evidenced by minimal postoperative pain. However, the same is not known for TE-based reconstruction. We performed this study to explore the use of complete AlloDerm® reinforcement of breast pocket tissues in women undergoing unilateral or bilateral mastectomies followed by immediate, two-stage tissue expansion in the prepectoral plane. Methods: Patients (n = 20) aged 18-75 years were followed prospectively from their preoperative consult to 60 days post-TE insertion. The pain visual analog scale (VAS), Patient Pain Assessment Questionnaire, Subjective Pain Survey, Brief Pain Inventory-Short Form (BPI-SF), postoperative nausea and vomiting (PONV) survey, BREAST-Q Reconstruction Module, and short-form 36 (SF-36) questionnaires were administered. Demographic, intraoperative, and 30- and 60-day complications data were abstracted from medical records. After TE-to-implant exchange, patients were followed until 60 days postoperatively to assess for complications. Results: Pain VAS and BPI-SF pain interference scores returned to preoperative values by 30 days post-TE insertion. Static and moving pain scores from the Patient Pain Assessment Questionnaire returned to preoperative baseline values by day 60. The mean subjective pain score was 3.0 (0.5 standard deviation) with seven patients scoring outside the standard deviation; none of these seven patients had a history of anxiety or depression. Median PONV scores remained at 0 from postoperative day 0 to day 7. Patient-reported opioid use dropped from 89.5% to 10.5% by postoperative day 30. BREAST-Q: Sexual well-being scores significantly increased from preoperative baseline to day 60 post-TE insertion. Changes in SF-36 physical functioning, physician limitations, emotional well-being, social functioning, and pain scores were significantly different from preoperative baseline to day 60 post-TE insertion. Five participants had complications within 60 days post-TE insertion. One participant experienced a complication within 60 days after TE-to-implant exchange. Conclusions: We describe pain scores, opioid usage, patient-reported outcomes data, and complication profiles of 20 consecutive patients undergoing mastectomy followed by immediate, two-stage tissue expansion in the prepectoral plane. We hope this study serves as a baseline for future research.
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Long C, Kraenzlin F, Aravind P, Kokosis G, Yesantharao P, Sacks JM, Rosson GD. Prepectoral breast reconstruction is safe in the setting of post-mastectomy radiation therapy. J Plast Reconstr Aesthet Surg 2022; 75:3041-3047. [PMID: 35599219 DOI: 10.1016/j.bjps.2022.04.030] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/29/2021] [Revised: 03/06/2022] [Accepted: 04/12/2022] [Indexed: 10/18/2022]
Abstract
BACKGROUND Many breast reconstruction patients undergo post-mastectomy radiation therapy (PMRT), which is well known to increase the risk of complications. There is limited data on outcomes and safety of prepectoral breast reconstruction in this setting. The purpose of this study was to compare the outcomes of prepectoral versus subpectoral two-stage breast reconstruction in patients undergoing PMRT. METHODS We conducted a retrospective cohort study of two-stage breast reconstructions performed at our institution during a 22-month period. Patients who received PMRT were identified, and two cohorts were created: those who underwent prepectoral versus subpectoral reconstruction. We collected data including patient characteristics, operative variables, and clinical outcomes. Bivariate analyses and multivariable logistic regressions were conducted. RESULTS We captured 313 patients (492 breasts) that had undergone two-stage reconstruction. A total of 69 breasts received PMRT; 28 were reconstructed prepectorally, and 41 breasts subpectorally. The two cohorts were well matched. We detected no differences in clinical outcomes between the two groups after a median follow-up time of 24 months. There, however, were differences in perioperative variables. Prepectoral reconstruction was associated with a shorter operative time, shorter length of hospital stay, higher cost, and shorter time to final reconstruction. Multivariable logistic regression demonstrated that prepectoral reconstruction is not an independent predictor of adverse events. CONCLUSIONS Although radiation is a known risk factor for many complications following breast reconstruction, prepectoral device placement is safe in this high-risk population. Although the rate of capsular contracture is reported to be higher in the general prepectoral population, this was not found in our radiated prepectoral population.
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Chiang SN, Finnan MJ, Skolnick GB, Sacks JM, Christensen JM. The impact of the COVID-19 pandemic on alloplastic breast reconstruction: An analysis of national outcomes. J Surg Oncol 2022; 126:195-204. [PMID: 35389527 PMCID: PMC9088498 DOI: 10.1002/jso.26883] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/24/2022] [Revised: 03/22/2022] [Accepted: 03/27/2022] [Indexed: 11/16/2022]
Abstract
Background Immediate alloplastic breast reconstruction shifted to the outpatient setting during the COVID‐19 pandemic to conserve inpatient hospital beds while providing timely oncologic care. We examine the National Surgical Quality Improvement Program (NSQIP) database for trends in and safety of outpatient breast reconstruction during the pandemic. Methods NSQIP data were filtered for immediate alloplastic breast reconstructions between April and December of 2019 (before‐COVID) and 2020 (during‐COVID); the proportion of outpatient procedures was compared. Thirty‐day complications were compared for noninferiority between propensity‐matched outpatients and inpatients utilizing a 1% risk difference margin. Results During COVID, immediate alloplastic breast reconstruction cases decreased (4083 vs. 4677) and were more frequently outpatient (31% vs. 10%, p < 0.001). Outpatients had lower rates of smoking (6.8% vs. 8.4%, p = 0.03) and obesity (26% vs. 33%, p < 0.001). Surgical complication rates of outpatient procedures were noninferior to propensity‐matched inpatients (5.0% vs. 5.5%, p = 0.03 noninferiority). Reoperation rates were lower in propensity‐matched outpatients (5.2% vs. 8.0%, p = 0.003). Conclusion Immediate alloplastic breast reconstruction shifted towards outpatient procedures during the COVID‐19 pandemic with noninferior complication rates. Therefore, a paradigm shift towards outpatient reconstruction for certain patients may be safe. However, decreased reoperations in outpatients may represent undiagnosed complications and warrant further investigation.
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Moritz WR, Raman S, Pessin S, Martin C, Li X, Westman A, Sacks JM. The History and Innovations of Blood Vessel Anastomosis. Bioengineering (Basel) 2022; 9:bioengineering9020075. [PMID: 35200428 PMCID: PMC8869402 DOI: 10.3390/bioengineering9020075] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/10/2022] [Revised: 02/07/2022] [Accepted: 02/09/2022] [Indexed: 11/16/2022] Open
Abstract
Surgical technique and technology frequently coevolve. The brief history of blood vessel anastomosis is full of famous names. While the techniques pioneered by these surgeons have been well described, the technology that facilitated their advancements and their inventors deserve recognition. The mass production of laboratory microscopes in the mid-1800s allowed for an explosion of interest in tissue histology. This improved understanding of vascular physiology and thrombosis laid the groundwork for Carrel and Guthrie to report some of the first successful vascular anastomoses. In 1916, McLean discovered heparin. Twenty-four years later, Gordon Murray found that it could prevent thrombosis when performing end-to-end anastomosis. These discoveries paved the way for the first-in-human kidney transplantations. Otolaryngologists Nylen and Holmgren were the first to bring the laboratory microscope into the operating room, but Jacobson was the first to apply these techniques to microvascular anastomosis. His first successful attempt in 1960 and the subsequent development of microsurgical tools allowed for an explosion of interest in microsurgery, and several decades of innovation followed. Today, new advancements promise to make microvascular and vascular surgery faster, cheaper, and safer for patients. The future of surgery will always be inextricably tied to the creativity and vision of its innovators.
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Chiang SN, Skolnick GB, Westman AM, Sacks JM, Christensen JM. National Outcomes of Prophylactic Lymphovenous Bypass during Axillary Lymph Node Dissection. J Reconstr Microsurg 2022; 38:613-620. [PMID: 35158396 DOI: 10.1055/s-0042-1742730] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/19/2022]
Abstract
BACKGROUND Breast cancer treatment, including axillary lymph node excision, radiation, and chemotherapy, can cause upper extremity lymphedema, increasing morbidity and health care costs. Institutions increasingly perform prophylactic lymphovenous bypass (LVB) at the time of axillary lymph node dissection (ALND) to reduce the risk of lymphedema but reports of complications are lacking. We examine records from the American College of Surgeons (ACS) National Surgery Quality Improvement Program (NSQIP) database to examine the safety of these procedures. METHODS Procedures involving ALND from 2013 to 2019 were extracted from the NSQIP database. Patients who simultaneously underwent procedures with the Current Procedural Terminology (CPT) codes 38999 (other procedures of the lymphatic system), 35201 (repair of blood vessel), or 38308 (lymphangiotomy) formed the prophylactic LVB group. Patients in the LVB and non-LVB groups were compared for differences in demographics and 30-day postoperative complications including unplanned reoperation, deep vein thrombosis (DVT), wound dehiscence, and surgical site infection. Subgroup analysis was performed, controlling for extent of breast surgery and reconstruction. Multivariate logistic regression was performed to identify predictors of reoperation. RESULTS The ALND without LVB group contained 45,057 patients, and the ALND with LVB group contained 255 (0.6%). Overall, the LVB group was associated with increased operative time (288 vs. 147 minutes, p < 0.001) and length of stay (1.7 vs. 1.3 days, p < 0.001). In patients with concurrent mastectomy without immediate reconstruction, the LVB group had a higher rate of DVTs (3.0 vs. 0.2%, p = 0.009). Reoperation, wound infection, and dehiscence rates did not differ across subgroups. Multivariate logistic regression showed that LVB was not a predictor of reoperations. CONCLUSION Prophylactic LVB at time of ALND is a generally safe and well-tolerated procedure and is not associated with increased reoperations or wound complications. Although only four patients in the LVB group had DVTs, this was a significantly higher rate than in the non-LVB group and warrants further investigation.
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Seu M, Bhat D, Wong A, Wong M, Nojoomi M, Padula W, Sacks JM. The Effect of Padded Adhesive Dressing and Static Body Position on Sacral Interface Pressure. J Patient Saf 2021; 17:e1851-e1854. [PMID: 32569097 DOI: 10.1097/pts.0000000000000728] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/26/2022]
Abstract
OBJECTIVES Padded adhesive bandages are frequently used in the inpatient setting for sacral pressure injury prevention, but it is unclear whether they truly decrease interface pressure. We hypothesized such devices reduce sacral peak interface pressure in the supine position, which would be further reduced in 30-degree reclined and upright seated positions. METHODS Study participants rested with their sacrum on a pressure-sensing mat, in 3 positions, for 30 seconds each: (1) sitting upright; (2) supine; and (3) supine against 30-degree wedge. Measurements were made with and without a padded adhesive bandage overlying the sacrum. Age, sex, and body mass index (BMI) were collected. These variables were entered sequentially, in an a priori order to construct a linear mixed-effects model. RESULTS Forty healthy adults participated. After controlling for by-subject variation, age, and sex, BMI did not influence peak sacral pressure (P = 0.22), although the effect of body position was significant (P < 0.01). Subsequent addition of padded adhesive dressing was nonsignificant (P = 0.17); sacral peak pressure was similar with a padded adhesive dressing (247.8 ± 147.3 mm Hg) or without (mean ± standard deviation = 229.8 ± 127.7 mm Hg). Lastly, there was no significant interaction between BMI and body position (P = 0.11). CONCLUSIONS Padded adhesive bandages did not reduce interface pressure in any position. Sacral pressure was highest in the supine position and was not specifically affected by BMI. If padded bandages provide clinically significant reduction in pressure injury incidence, it is not simply through the reduction of interface pressure.
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Xun H, Fadavi D, Darrach H, Fischer N, Yesantharao P, Kraenzlin F, Nickles Fader A, Segars JH, Sacks JM. Recognizing the Vulnerable: Perspectives, Attitudes, and Interests of Women With Uterine Factor Infertility Towards Uterus Allotransplantation. Cureus 2021; 13:e18891. [PMID: 34804735 PMCID: PMC8599396 DOI: 10.7759/cureus.18891] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 10/19/2021] [Indexed: 12/04/2022] Open
Abstract
BACKGROUND Uterine allotransplantation (UTx) is a novel therapy to allow women with uterine factor infertility (UFI) to bear their own children. To date, over 60 UTx have been performed, resulting in 15 live births. Our study investigates the attitudes, perspectives, and interests of women with UFI towards UTx. METHODS Anonymous questionnaires were distributed electronically to women diagnosed with UFI at Johns Hopkins Hospital between the years 2003 and 2018. RESULTS Thirty-one women with UFI were identified, resulting in 10 completed surveys. The average age was 31.7 ± 6.31 years, and the average age of diagnosis was 20 years (range 14-31); all 10 surveyed women had congenital UFI. Of note, 80% of women agreed that UTx should be an option for women with UFI, and 90% would consider receiving a UTx. The majority of the nine (90%) women who had previously heard of UTx learned about it from the news (5, 50%). When asked to rank the risks related to UTx in order of personal importance, only two women ranked themselves most important; the other woman ranked fetus and donor as more important. All women had health insurance (70% had private insurance), and 90% believed that UTx should be covered by health insurance. CONCLUSIONS We surveyed women with UFI and found that the majority are willing to have UTx, despite the associated risks of the procedure. Taking into consideration the responses for ranking the importance of risks of the procedure, women with UFI should be considered a vulnerable population, requiring special considerations for UTx informed consents.
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Chen J, Xun H, Abousy M, Long C, Sacks JM. No Microscope? No Problem: A Systematic Review of Microscope-Free Microsurgery Training Models. J Reconstr Microsurg 2021; 38:106-114. [PMID: 34425592 DOI: 10.1055/s-0041-1731761] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/20/2022]
Abstract
BACKGROUND Benchtop microsurgical training models that use digital tools (smartphones, tablets, and virtual reality [VR]) for magnification are allowing trainees to practice without operating microscopes. This systematic review identifies existing microscope-free training models, compares models in their ability to enhance microsurgical skills, and presents a step-by-step protocol for surgeons seeking to assemble their own microsurgery training model. METHODS We queried PubMed, Embase, and Web of Science databases through November 2020 for microsurgery training models and performed a systematic review following the Preferred Reporting Items for Systematic Reviews and Meta-Analyses (PRISMA) guidelines. We collected data including training model characteristics (cost, magnification, and components) and outcomes (trainee satisfaction, image resolution, and faster suturing speed). We also conducted a complimentary Google search to identify commercially available microscope-free microsurgical training models or kits not reported in peer-reviewed literature. RESULTS Literature search identified 1,805 publications; 24 of these met inclusion criteria. Magnification tools most commonly included smartphones (n = 10), VR simulators (n = 4), and tablets (n = 3), with magnification ranging up to ×250 magnification on digital microscopy, ×50 on smartphones, and ×5 on tablets. Average cost of training models ranged from $13 (magnification lens) to $15,000 (augmented reality model). Model were formally assessed using workshops with trainees or attendings (n = 10), surveys to end-users (n = 5), and single-user training (n = 4); users-reported satisfaction with training models and demonstrated faster suturing speed and increased suturing quality with model training. Five commercially available microsurgery training models were identified through Google search. CONCLUSION Benchtop microsurgery trainers using digital magnification successfully provide trainees with increased ease of microsurgery training. Low-cost yet high magnification setups using digital microscopes and smartphones are optimal for trainees to improve microsurgical skills. Our assembly protocol, "1, 2, 3, Microsurgery," provides instructions for training model set up to fit the unique needs of any microsurgery trainee.
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Lee E, Sacks JM. Reply: Public Perceptions on Breast Implant-Associated Anaplastic Large Cell Lymphoma. Plast Reconstr Surg 2021; 148:300e-301e. [PMID: 34228026 DOI: 10.1097/prs.0000000000008106] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/27/2022]
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Xun H, Clarke S, Baker N, Shallal C, Lee E, Fadavi D, Wong A, Brandacher G, Kang SH, Sacks JM. Method, Material, and Machine: A Review for the Surgeon Using Three-Dimensional Printing for Accelerated Device Production. J Am Coll Surg 2021; 232:726-737.e19. [PMID: 33896478 DOI: 10.1016/j.jamcollsurg.2021.01.020] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/15/2020] [Revised: 12/23/2020] [Accepted: 01/13/2021] [Indexed: 12/25/2022]
Abstract
BACKGROUND Physicians are at the forefront of identifying innovative targets to address current medical needs. 3D printing technology has emerged as a state-of-the-art method of prototyping medical devices or producing patient-specific models that is more cost-efficient, with faster turnaround time, in comparison to traditional prototype manufacturing. However, initiating 3D printing projects can be daunting due to the engineering learning curve, including the number of methodologies, variables, and techniques for printing from which to choose. To help address these challenges, we sought to create a guide for physicians interested in venturing into 3D printing. STUDY DESIGN All commercially available, plug-and-play, material and stereolithography printers costing less than $15,000 were identified via web search. Companies were contacted to obtain quotes and information sheets for all printer models. The qualifying printers' manufacturer specification sheets were reviewed, and pertinent variables were extracted. RESULTS We reviewed 309 commercially available printers and materials and identified 118 printers appropriate for clinicians desiring plug-and-play models for accelerated device production. We synthesized this information into a decision-making tool to choose the appropriate parameters based on project goals. CONCLUSIONS There is a growing clinical need for medical devices to reduce costs of care and increase access to personalized treatments; however, the learning curve may be daunting for surgeons. In this review paper, we introduce the "3Ms of 3D printing" for medical professionals and provide tools and data sheets for selection of commercially available, affordable, plug-and-play 3D printers appropriate for surgeons interested in innovation.
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Khetpal S, Reátegui A, Lopez J, Sacks JM, Prsic A. Pushing the Needle of Entrepreneurship and Innovation: Where Do Plastic and Reconstructive Surgeons Stand? PLASTIC AND RECONSTRUCTIVE SURGERY-GLOBAL OPEN 2021; 9:e3557. [PMID: 33936918 PMCID: PMC8081470 DOI: 10.1097/gox.0000000000003557] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/25/2021] [Accepted: 03/03/2021] [Indexed: 11/25/2022]
Abstract
Background: Plastic and reconstructive surgery has a well-recognized history of disruption and innovation. It remains unclear, however, how the specialty’s priority on innovation materializes into commercialization or bench to bedside led by plastic surgeons. Methods: Our analysis utilized Pitchbook (Seattle, Wash.), a market database of companies and investors, for ventures that have designed innovations related to plastic and reconstructive surgery. Companies were categorized into 5 focus areas: provider (outpatient surgical or hospital entity), aesthetics (cosmetics/injectables), devices (instrumentation, lasers, implants), regenerative medicine (tissue engineering/wound healing), and software (digital solutions). Company websites, LinkedIn (Sunnyvale, Calif.) profiles, and Crunchbase (San Francisco, Calif.) were reviewed to determine the leadership roles of plastic surgeons. Results: Plastic surgeons primarily serve as advisors, as opposed to founders or chief executive officers (CEOs). Our analysis additionally found that provider and software solutions had a greater degree of plastic surgeon-led leadership, whereas regenerative medicine and device innovation remains less frequented. There was a relatively balanced representation of academic and private plastic surgeons in entrepreneurial pursuits. Conclusions: Plastic surgeons typically serve as board advisors, as opposed to founders and CEOs. Reasons for disengagement from leadership roles may include satisfaction with clinical work, time constraint, lack of business knowledge, financial constraint, and opportunity cost associated with starting a venture. To promote participation in innovation, future studies should explore tangible ways to engage in such opportunities. In doing so, plastic surgeons can own the “organ” of innovation, and continue to contribute to the legacy and the advancement of the specialty.
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Anolik RA, Sacks JM. Advances and innovations in Breast Microsurgery. MISSOURI MEDICINE 2021; 118:153-155. [PMID: 33840859 PMCID: PMC8029616] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 06/12/2023]
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Skladman R, Anolik RA, Sacks JM. State-of-the-Art Lymphedema Surgery Treatment Program. MISSOURI MEDICINE 2021; 118:134-140. [PMID: 33840856 PMCID: PMC8029635] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 06/12/2023]
Abstract
The purpose of this article is to describe the multidisciplinary lymphedema surgery treatment program at Washington University in St. Louis. In this article, we discuss our collaboration with colleagues in medicine and therapy for conservative management and lymphedema staging. We describe our preferred imaging modalities for diagnosis, staging, and surgical treatment. Finally, we provide an overview of the surgical procedures we perform and our surgical treatment algorithm.
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Parikh RP, Sacks JM. Lower Extremity Reconstruction After Soft Tissue Sarcoma Resection. Clin Plast Surg 2021; 48:307-319. [PMID: 33674052 DOI: 10.1016/j.cps.2021.01.007] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/22/2022]
Abstract
Surgical resection with wide margins and perioperative radiation therapy is the standard treatment of extremity soft tissue sarcomas. This combination often results in complex wounds and functional compromise. Reconstructive surgery is integral to limb salvage after sarcoma resection. Advances in adjuvant therapy and reconstructive surgical techniques have made functional limb salvage, instead of amputation, possible for most patients. This article reviews key concepts in the multidisciplinary care of patients with extremity soft tissue sarcomas and details reconstructive surgical techniques, including locoregional and free tissue transfer, free functional muscle transfer, and vascularized bone transfer, to optimize functional limb restoration after sarcoma resection.
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Spörlein A, Will PA, Kilian K, Gazyakan E, Sacks JM, Kneser U, Hirche C. Lymphatic Tissue Engineering: A Further Step for Successful Lymphedema Treatment. J Reconstr Microsurg 2021; 37:465-474. [PMID: 33517571 DOI: 10.1055/s-0040-1722760] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/13/2022]
Abstract
BACKGROUND Secondary lymphedema, caused by oncologic surgery, radiation, and chemotherapy, is one of the most relevant, nononcological complications affecting cancer survivors. Severe functional deficits can result in impairing quality of life and a societal burden related to increased treatment costs. Often, conservative treatments are not sufficient to alleviate lymphedema or to prevent stage progression of the disease, as they do not address the underlying etiology that is the disruption of lymphatic pathways. In recent years, lymphatic surgery approaches were revolutionized by advances in microsurgical technique. Currently, lymphedema can effectively be treated by procedures such as lymphovenous anastomosis (LVA) and lymph node transfer (LNT). However, not all patients have suitable lymphatic vessels, and lymph node harvesting is associated with risks. In addition, some data have revealed nonresponders to the microsurgical techniques. METHODS A literature review was performed to evaluate the value of lymphatic tissue engineering for plastic surgeons and to give an overview of the achievements, challenges, and goals of the field. RESULTS While certain challenges exist, including cell harvesting, nutrient supply, biocompatibility, and hydrostatic properties, it is possible and desirable to engineer lymph nodes and lymphatic vessels. The path toward clinical translation is considered more complex for LNTs secondary to the complex microarchitecture and pending final mechanistic clarification, while LVA is more straight forward. CONCLUSION Lymphatic tissue engineering has the potential to be the next step for microsurgical treatment of secondary lymphedema. Current and future researches are necessary to optimize this clinical paradigm shift for improved surgical treatment of lymphedema.
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Darrach H, Kraenzlin FS, Khavanin N, He W, Lee E, Sacks JM. Pectoral placement of tissue expanders affects inpatient opioid use. Breast J 2021; 27:126-133. [PMID: 33438303 DOI: 10.1111/tbj.14149] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/27/2020] [Revised: 12/10/2020] [Accepted: 12/11/2020] [Indexed: 11/27/2022]
Abstract
Prepectoral breast reconstruction promises to minimize breast animation deformity and decrease pain associated with subpectoral dissection and tissue expansion. This latter benefit is particularly timely given the ongoing opioid epidemic; however, this theoretical benefit remains to be demonstrated clinically. As such, this study aimed to compare inpatient opioid use and prescription practices following prepectoral and subpectoral expander-based breast reconstruction. A retrospective review was performed of patients undergoing immediate tissue expander placement between January 2017 and April 2018. Medical records were reviewed for surgical details, 24-hour inpatient PRN opioid usage (oral morphine equivalents [OME]), and discharge prescriptions. Comparisons were made using chi-squared and student's t tests where appropriate. Two hundred and thirty-one patients were identified, (mean age 48.8 years), 222 of which met inclusion criteria. 89 underwent subpectoral and 133 prepectoral tissue expander placements. All but two subpectoral patients and two prepectoral patients were opioid-naïve. The rate of bilateral procedures did not differ between cohorts (P = .194). Overall, 94% of patients were discharged within 24 hours, and length of stay did not differ between cohorts (P = .0753). Two subpectoral and two prepectoral patients required prolonged admission due to postoperative pain. All patients were ordered standing acetaminophen, celecoxib, and gabapentin, and subpectoral patients cyclobenzaprine. Narcotic pain medication was offered on an "as needed" (PRN) basis. Opioid usage within the first 24-hours was halved in the prepectoral cohort (22.2 vs 44.5 OME, P = .0003), which was not associated with bi/unilaterality of procedure or the presence of any psychiatric conditions. The amount of opioids prescribed on discharge was not significantly different between cohorts (308.42 OME prepectoral vs 336.99 subpectoral, P = .3197). Prepectoral expander placement appears to be associated with decreased inpatient opioid use postoperatively. This may represent an opportunity to improve patient satisfaction and safety by decreasing outpatient opioid prescriptions.
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Kraenzlin F, Darrach H, Khavanin N, Kokosis G, Aliu O, Broderick K, Rosson GD, Manahan MA, Sacks JM. Tissue Expander-Based Breast Reconstruction in the Prepectoral Versus Subpectoral Plane: An Analysis of Short-Term Outcomes. Ann Plast Surg 2021; 86:19-23. [PMID: 32568752 DOI: 10.1097/sap.0000000000002415] [Citation(s) in RCA: 10] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/26/2022]
Abstract
BACKGROUND Breast reconstruction is becoming an increasingly important and accessible component of breast cancer care. We hypothesize that prepectoral patients benefit from lower short-term complications and shorter periods to second-stage reconstruction compared with individuals receiving reconstruction in the subpectoral plane. METHODS An institutional review board-approved retrospective review of all adult postmastectomy patients receiving tissue expanders (TEs) was completed for a 21-month period (n = 286). RESULTS A total of 286 patients underwent mastectomy followed by TE placement, with 59.1% receiving prepectoral TEs and 40.9% receiving subpectoral TEs. Participants receiving prepectoral TEs required fewer clinic visits before definitive reconstruction (6.4 vs 8.8, P <0.01) and underwent definitive reconstruction 71.6 days earlier than individuals with subpectoral TE placement (170.8 vs 242.4 days, P < 0.01). Anesthesia time was significantly less for prepectoral TE placement, whether bilateral (68.0 less minutes, P < 0.01) or unilateral (20.7 minutes less, P < 0.01). Operating room charges were higher in the prepectoral subgroup ($31,276.8 vs $22,231.8, P < 0.01). Partial necrosis rates were higher in the prepectoral group (21.7% vs 10.9%, P < 0.01). CONCLUSIONS Patients undergoing breast reconstruction using prepectoral TE-based reconstruction benefit from less anesthesia time, fewer postoprative clinic visits, and shorter time to definitive reconstruction, at the compromise of higher operating room charges.
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Fadavi D, He W, Kraenzlin F, Darrach H, Shetty P, Xun H, Sacks JM. Risk and Reward: Public Perception of Gluteal Fat Grafting Safety. Aesthetic Plast Surg 2020; 44:1628-1638. [PMID: 32346781 DOI: 10.1007/s00266-020-01728-9] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/20/2020] [Accepted: 04/09/2020] [Indexed: 10/24/2022]
Abstract
BACKGROUND This study aims to understand how sociodemographic factors influence perceptions of "Brazilian Butt Lift" (BBL), the cosmetic procedure with the highest reported mortality rate, among adult women. We also investigate whether education about risks changes willingness to receive this procedure. METHODS A Qualtrics© survey including education about BBL was administered on Amazon Mechanical Turk, with inclusion criteria of female sex. RESULTS Survey data from 489 female participants were included. 78.1% of participants found the BBL mortality rate to be higher than expected. 70.1% of the original 177 willing or neutral participants became unwilling to undergo a BBL after education. Multivariate logistic regression indicated that individuals who were more willing to undergo BBL after education were individuals who have a diagnosis of body dysmorphic disorder (OR 60.5, p = 0.02) or have an acquaintance who received a BBL (OR 230.2, p < 0.01). CONCLUSIONS Overall, survey participants were less willing to undergo BBL after learning its risks, indicating the critical role of patient education during informed consent. Additionally, individuals who are unhappy with their body shape, or who feel cultural or social pressure to attain a certain body shape, may accept higher levels of risk to improve their looks, suggesting patient motivation for the procedure may limit even the most effective informed consent process. In light of these findings, the surgical community may consider regulating the BBL procedure and improving safety using evidence-based risk reduction techniques. Ensuring that patients fully understand the risks associated with the BBL procedure is critical for both surgeon and patient. LEVEL OF EVIDENCE V This journal requires that authors assign a level of evidence to each article. For a full description of these Evidence-Based Medicine ratings, please refer to the Table of Contents or the online Instructions to Authors www.springer.com/00266 .
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Sacks JM. Commentary on: Practice Management Knowledge Amongst Plastic Surgery Residents in Canada: A National Survey. Aesthet Surg J Open Forum 2020; 2:ojaa042. [PMID: 33791659 PMCID: PMC7671256 DOI: 10.1093/asjof/ojaa042] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/04/2022] Open
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Chi D, Chen AD, Dorante MI, Lee BT, Sacks JM. Plastic Surgery in the Time of COVID-19. J Reconstr Microsurg 2020; 37:124-131. [PMID: 32693423 DOI: 10.1055/s-0040-1714378] [Citation(s) in RCA: 16] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/29/2023]
Abstract
BACKGROUND The novel coronavirus disease 2019 (COVID-19) has swept the world in the last several months, causing massive disruption to existing social, economic, and health care systems. As with all medical fields, plastic and reconstructive surgery has been profoundly impacted across the entire spectrum of practice from academic medical centers to solo private practice. The decision to preserve vital life-saving equipment and cancel elective procedures to protect patients and medical staff has been extremely challenging on multiple levels. Frequent and inconsistent messaging disseminated by many voices on the national stage often conflicts and serves only to exacerbate an already difficult decision-making process. METHODS A survey of relevant COVID-19 literature is presented, and bioethical principles are utilized to generate guidelines for plastic surgeons in patient care through this pandemic. RESULTS A cohesive framework based upon core bioethical values is presented here to assist plastic surgeons in navigating this rapidly evolving global pandemic. CONCLUSION Plastic surgeons around the world have been affected by COVID-19 and will adapt to continue serving their patients. The lessons learned in this present pandemic will undoubtedly prove useful in future challenges to come.
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Darrach H, Yesantharao PS, Persing S, Kokosis G, Carl HM, Bridgham K, Seu M, Stifler S, Sacks JM. Surgical versus Nonsurgical Management of Postmastectomy Lymphedema: A Prospective Quality of Life Investigation. J Reconstr Microsurg 2020; 36:606-615. [DOI: 10.1055/s-0040-1713667] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/23/2022]
Abstract
Abstract
Background Postmastectomy secondary lymphedema can cause substantial morbidity. However, few studies have investigated longitudinal quality of life (QoL) outcomes in patients with postmastectomy lymphedema, especially with regard to surgical versus nonoperative management. This study prospectively investigated QoL in surgically versus nonsurgically managed patients with postmastectomy upper extremity lymphedema.
Methods This was a longitudinal cohort study of breast cancer-related lymphedema patients at a single institution, between February 2017 and January 2020. Lymphedema Quality of Life Instrument (LyQLI) and RAND-36 QoL instrument were used. Mann–Whitney U and Fisher's exact tests were used for descriptive statistics. Wilcoxon's signed-rank testing and linear modeling were used to analyze longitudinal changes in QoL.
Results Thirty-two lymphedema patients were recruited to the study (20 surgical and 12 nonsurgical). Surgical and nonsurgical cohorts did not significantly differ in clinical/demographic characteristics or baseline QoL scores, but at the 12-month time point surgical patients had significantly greater LyQLI overall health scores than nonsurgical patients (79.3 vs. 58.3, p = 0.02), as well as higher composite RAND-36 physical (68.5 vs. 38.3, p = 0.04), and mental (77.0 vs. 52.7, p = 0.02) scores. Furthermore, LyQLI overall health scores significantly improved over time in surgical patients (60.0 at baseline vs. 79.3 at 12 months, p = 0.04). Besides surgical treatment, race, and age were also found to significantly impact QoL on multivariable analysis.
Conclusion Our results suggest that when compared with nonoperative management, surgery improved QoL for chronic, secondary upper extremity lymphedema patients within 12-month postoperatively. Our results also suggested that insurance status may have influenced decisions to undergo lymphedema surgery. Further study is needed to investigate the various sociodemographic factors that were also found to impact QoL outcomes in these lymphedema patients.
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Henn D, Chen K, Fischer K, Rauh A, Barrera JA, Kim YJ, Martin RA, Hannig M, Niedoba P, Reddy SK, Mao HQ, Kneser U, Gurtner GC, Sacks JM, Schmidt VJ. Tissue Engineering of Axially Vascularized Soft-Tissue Flaps with a Poly-(ɛ-Caprolactone) Nanofiber-Hydrogel Composite. Adv Wound Care (New Rochelle) 2020; 9:365-377. [PMID: 32587789 DOI: 10.1089/wound.2019.0975] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/24/2019] [Accepted: 12/18/2019] [Indexed: 11/12/2022] Open
Abstract
Objective: To develop a novel approach for tissue engineering of soft-tissue flaps suitable for free microsurgical transfer, using an injectable nanofiber hydrogel composite (NHC) vascularized by an arteriovenous (AV) loop. Approach: A rat AV loop model was used for tissue engineering of vascularized soft-tissue flaps. NHC or collagen-elastin (CE) scaffolds were implanted into isolation chambers together with an AV loop and explanted after 15 days. Saphenous veins were implanted into the scaffolds as controls. Neoangiogenesis, ultrastructure, and protein expression of SYNJ2BP, EPHA2, and FOXC1 were analyzed by immunohistochemistry and compared between the groups. Rheological properties were compared between the two scaffolds and native human adipose tissue. Results: A functional neovascularization was evident in NHC flaps with its amount being comparable with CE flaps. Scanning electron microscopy revealed a strong mononuclear cell infiltration along the nanofibers in NHC flaps and a trend toward higher fiber alignment compared with CE flaps. SYNJ2BP and EPHA2 expression in endothelial cells (ECs) was lower in NHC flaps compared with CE flaps, whereas FOXC1 expression was increased in NHC flaps. Compared with the stiffer CE flaps, the NHC flaps showed similar rheological properties to native human adipose tissue. Innovation: This is the first study to demonstrate the feasibility of tissue engineering of soft-tissue flaps with similar rheological properties as human fat, suitable for microsurgical transfer using an injectable nanofiber hydrogel composite. Conclusions: The injectable NHC scaffold is suitable for tissue engineering of axially vascularized soft-tissue flaps with a solid neovascularization, strong cellular infiltration, and biomechanical properties similar to human fat. Our data indicate that SYNJ2BP, EPHA2, and FOXC1 are involved in AV loop-associated angiogenesis and that the scaffold material has an impact on protein expression in ECs.
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Li X, Cho B, Martin R, Seu M, Zhang C, Zhou Z, Choi JS, Jiang X, Chen L, Walia G, Yan J, Callanan M, Liu H, Colbert K, Morrissette-McAlmon J, Grayson W, Reddy S, Sacks JM, Mao HQ. Nanofiber-hydrogel composite-mediated angiogenesis for soft tissue reconstruction. Sci Transl Med 2020; 11:11/490/eaau6210. [PMID: 31043572 DOI: 10.1126/scitranslmed.aau6210] [Citation(s) in RCA: 144] [Impact Index Per Article: 36.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/29/2018] [Accepted: 03/15/2019] [Indexed: 12/22/2022]
Abstract
Soft tissue losses from tumor removal, trauma, aging, and congenital malformation affect millions of people each year. Existing options for soft tissue restoration have several drawbacks: Surgical options such as the use of autologous tissue flaps lead to donor site defects, prosthetic implants are prone to foreign body response leading to fibrosis, and fat grafting and dermal fillers are limited to small-volume defects and only provide transient volume restoration. In addition, large-volume fat grafting and other tissue-engineering attempts are hampered by poor vascular ingrowth. Currently, there are no off-the-shelf materials that can fill the volume lost in soft tissue defects while promoting early angiogenesis. Here, we report a nanofiber-hydrogel composite that addresses these issues. By incorporating interfacial bonding between electrospun poly(ε-caprolactone) fibers and a hyaluronic acid hydrogel network, we generated a composite that mimics the microarchitecture and mechanical properties of soft tissue extracellular matrix. Upon subcutaneous injection in a rat model, this composite permitted infiltration of host macrophages and conditioned them into the pro-regenerative phenotype. By secreting pro-angiogenic cytokines and growth factors, these polarized macrophages enabled gradual remodeling and replacement of the composite with vascularized soft tissue. Such host cell infiltration and angiogenesis were also observed in a rabbit model for repairing a soft tissue defect filled with the composite. This injectable nanofiber-hydrogel composite augments native tissue regenerative responses, thus enabling durable soft tissue restoration outcomes.
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Khavanin N, Almaazmi H, Darrach H, Kraenzlin F, Safar B, Sacks JM. Comparison of the ViOptix Intra.Ox Near Infrared Tissue Spectrometer and Indocyanine Green Angiography in a Porcine Bowel Model. J Reconstr Microsurg 2020; 36:426-431. [PMID: 32088921 DOI: 10.1055/s-0040-1702163] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/24/2022]
Abstract
BACKGROUND This study aims to directly compare measurements of tissue oxygenation obtained using the Intra.Ox (Vioptix Inc., Fremont, CA) near infrared spectrometer with the perfusion assessment of the indocyanine green (ICG)-based SPY Elite imaging system (Stryker Co., Kalamazoo, MI) in a porcine bowel model. METHODS Two live minipigs underwent laparotomy and isolation of a 30-cm segment of a large bowel. Standardized oximetry measurements were taken along the segment of bowel immediately before, after, and serially for 30 minutes following transection. A 0.5 mg/kg dose of ICG was then injected intravenously and the SPY Elite system was used to visualize and quantify tissue perfusion. Pearson's correlation coefficients were calculated using the outcomes. RESULTS Transected and ligated bowel yielded mean Intra.Ox measurements of 61% oxygenation at the proximal base of the limb and 27.8% at the distal edges. Analysis of the relative ICG fluorescence using the SPY Elite's proprietary software yielded perfusion estimates of 64.8% proximally and 6.8% distally. Intra.Ox and SPY Elite measurements demonstrate a Pearson product-moment correlation of 0.929. Repeat measurements at 15-mm intervals along the tissue yielded decreasing Intra.Ox measurements along the length of the flap that correlate to SPY Elite measurements (r = 0.645). CONCLUSION Both the Intra.Ox and the SPY detected clinically relevant changes in bowel oxygenation following transection and ligation. The use of intravenous ICG dye did not appear to affect measurements of tissue oxygenation obtained using the Intra.Ox.
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Fadavi D, Haley A, Khavanin N, Kraenzlin F, Bos TJ, Cho BH, Carl HM, Bhat D, Ostrander BT, Manahan MA, Rosson GD, Sacks JM. Postoperative Free Flap Breast Protocol Optimizing Resources and Patient Safety. J Reconstr Microsurg 2020; 36:379-385. [DOI: 10.1055/s-0040-1701698] [Citation(s) in RCA: 9] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/24/2022]
Abstract
Abstract
Background As deep inferior epigastric artery perforator (DIEP) flaps have gained popularity in breast reconstruction, the postoperative care of these patients, including the appropriate hospital length-of-stay and the need for intensive care unit (ICU) admission, has become a topic of debate. At our institution, we have adopted a pathway that aims for discharge on postoperative day 3, utilizing continuous tissue oximetry without ICU admission. This study aims to evaluate outcomes with this pathway to assess its safety and feasibility in clinical practice.
Methods A retrospective review was performed of patients undergoing DIEP flap breast reconstruction between January 2013 and August 2014. Data of interest included patient demographics and medical history as well as complication rates and date of hospital discharge.
Results In total, 153 patients were identified undergoing 239 DIEP flaps. The mean age was 50 years (standard deviation [SD] = 10.2) and body mass index (BMI) 29.4 kg/m2 (SD = 5.2). Over the study period, the flap failure rate was 1.3% and reoperation rate 3.9%. Seventy-one percent of patients were discharged on postoperative day 3. Nine patients required hospitalization beyond 5 days. Theoretical cost savings from avoiding ICU admissions were $1,053 per patient.
Conclusion A pathway aiming for hospital discharge on postoperative day 3 without ICU admission following DIEP flap breast reconstruction can be feasibly implemented with an acceptable reoperation and flap failure rate.
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