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Yoo H, Hong KY, Min S, Lee HS, Park DJ, Kim YS, Kong SH, Chang H. Distribution of Perigastric Station 4d Lymph Nodes in Vascularized Gastroepiploic Lymph Node Transfer: An Anatomic Study and Case Series. Ann Surg Oncol 2024; 31:3694-3704. [PMID: 38530528 DOI: 10.1245/s10434-024-15113-2] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/27/2023] [Accepted: 02/12/2024] [Indexed: 03/28/2024]
Abstract
BACKGROUND Vascularized gastroepiploic lymph node transfer (VGLNT) is a well-accepted surgical treatment for restoring physiological function in chronic lymphedema. However, the inclusion of substantial lymph nodes (LNs) in the flap remains uncertain. This study aimed to identify the anatomical basis for reliable flap harvest for VGLNT. PATIENTS AND METHODS The anatomy of perigastric station 4d LNs was studied in healthy cadavers (n = 15) and patients with early gastric cancer (EGC) (n = 27). The omentum was divided into three segments: proximal, middle, and distal from the origin of the right gastroepiploic vessels. The flap dimension, number, location, size of LNs, and caliber of the vessels were reviewed. Eight patients underwent VGLNT for upper/lower limb lymphedema. RESULTS The mean numbers of LNs in the proximal, middle, and distal segment were 2.5, 1.4, 0.5 in the cadavers, and 4.9, 2.7, 0.7 in the gastrectomy specimens, respectively. The proximal third included a significantly greater number of LNs than the distal third in the cadaveric (p = 0.024) and ECG (p = 0.016) specimens. A total of 95% of the LNs were located within proximal two-thirds of the flap from the vessel origin both in the cadavers (21.0 × 5.0 cm) and in the gastrectomy specimens (20 × 3.5 cm). In VGLNT, the transferred flap was 25.5 ± 6.9 × 4.1 + 0.7 cm in dimension, containing a mean number of 6.5 ± 1.9 LNs. At postoperative 6 months, the volumetric difference was significantly reduced by 22.8 ± 9.2% (p < 0.001). CONCLUSIONS This study provides a distinct distribution pattern of station 4d LNs. Inclusion of the proximal two-thirds of the flap, which carries majority of the LNs, is recommended for VGLNT.
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Affiliation(s)
- Hyokyung Yoo
- Department of Plastic and Reconstructive Surgery, Seoul National University Hospital, Seoul National University College of Medicine, Seoul, Republic of Korea
| | - Ki Yong Hong
- Department of Plastic and Reconstructive Surgery, Seoul National University Hospital, Seoul National University College of Medicine, Seoul, Republic of Korea
| | - Sally Min
- Department of Plastic and Reconstructive Surgery, Seoul National University Hospital, Seoul National University College of Medicine, Seoul, Republic of Korea
| | - Hye Seung Lee
- Department of Pathology, Seoul National University Hospital, Seoul, Republic of Korea
| | - Do-Joong Park
- Department of Surgery, Seoul National University Hospital, Seoul, Republic of Korea
| | - Yi-Suk Kim
- Department of Anatomy, Catholic Institute for Applied Anatomy, College of Medicine, Catholic University of Korea, Seoul, South Korea
| | - Seong-Ho Kong
- Department of Surgery, Seoul National University Hospital, Seoul, Republic of Korea
| | - Hak Chang
- Department of Plastic and Reconstructive Surgery, Seoul National University Hospital, Seoul National University College of Medicine, Seoul, Republic of Korea.
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Finkelstein ER, Clark M, Ha M, Singh D, Xu KY, Mella-Catinchi J, Rasko Y. Lymphedema Surgical Education and Faculty Demographics in United States Plastic Surgery Residency Programs. J Reconstr Microsurg 2024; 40:348-356. [PMID: 37751881 DOI: 10.1055/a-2182-1315] [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: 09/28/2023]
Abstract
BACKGROUND Recent advancements in supermicrosurgery and promising preliminary outcomes have led to a surge in physiologic lymphedema surgery. This study is the first to evaluate lymphedema surgical education among U.S. plastic surgery residency programs, along with the background and experience of plastic surgeons subspecializing in the field. METHODS Cross-sectional evaluation of 103 accredited U.S. plastic surgery residency programs was performed in January 2023. Web-based searches of program curricula, faculty profiles, and main institutional pages indicated whether a program provided nonclinical or clinical exposure to lymphedema surgery. Review of online faculty profiles, surname searches, Doximity, and Scopus determined the perceived demographics, academic productivity, and procedures performed by lymphedema surgeons. RESULTS Compared with the 11 programs that incorporated lymphedema surgery into their online curriculum, 67 programs had a rotation site with a surgeon performing lymphedema procedures. Of the 33 programs without evidence of clinical exposure, 76% (n = 25) did not provide or specify providing elective time. Faculty perceived to be female or a race underrepresented in plastic surgery had significantly more assistant professor titles (p < 0.0214) and significantly fewer years of experience (p < 0.0293) than their counterparts. CONCLUSION Great variation in lymphedema surgical education exists among U.S. plastic surgery residency programs. While few programs incorporate lymphedema surgery into their advertised curriculum, programs without clinical exposure frequently did not provide elective time to obtain it. Faculty that were female or a race underrepresented in plastic surgery were most often early in their career, suggesting lymphedema surgeons may grow increasingly diverse in years to come.
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Affiliation(s)
- Emily R Finkelstein
- Division of Plastic and Reconstructive Surgery, Department of Surgery, University of Miami Miller School of Medicine, Miami, Florida
| | - Meaghan Clark
- Division of Plastic and Reconstructive Surgery, Department of Surgery, University of Miami Miller School of Medicine, Miami, Florida
| | - Michael Ha
- Division of Plastic and Reconstructive Surgery, Department of Surgery, University of Maryland Medical Center, Baltimore, Maryland
| | - Devinder Singh
- Division of Plastic and Reconstructive Surgery, Department of Surgery, University of Miami Miller School of Medicine, Miami, Florida
| | - Kyle Y Xu
- Division of Plastic and Reconstructive Surgery, Department of Surgery, University of Miami Miller School of Medicine, Miami, Florida
| | - Juan Mella-Catinchi
- Division of Plastic and Reconstructive Surgery, Department of Surgery, University of Miami Miller School of Medicine, Miami, Florida
| | - Yvonne Rasko
- Division of Plastic and Reconstructive Surgery, Department of Surgery, University of Maryland Medical Center, Baltimore, Maryland
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Attalla P, Becker M, Clark RC, Reid CM, Brazio PS. We Are Not Speaking the Same Language: Current Procedural Terminology Coding and Provision of Care in Lymphatic Reconstruction. Ann Plast Surg 2024; 92:S310-S314. [PMID: 38689411 DOI: 10.1097/sap.0000000000003823] [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: 05/02/2024]
Abstract
INTRODUCTION Current Procedural Terminology (CPT) codes provide a uniform language for medical billing, but specific codes have not been assigned for lymphatic reconstruction techniques. The authors hypothesized that inadequate codes would contribute to heterogeneous coding practices and reimbursement challenges, ultimately limiting surgeons' ability to treat patients. METHODS A 22-item virtual questionnaire was offered to 959 members of the American Society of Reconstructive Microsurgeons to assess the volume of lymphatic reconstruction procedures performed, CPT codes used for each procedure, and challenges related to coding and providing care. RESULTS The survey was completed by 66 board-certified/board-eligible plastic surgeons (6.9%), who unanimously agreed that lymphatic surgery is integral to cancer care, with 86.4% indicating that immediate lymphatic reconstruction should be offered after lymphadenectomy. Most performed lymphovenous bypass, immediate lymphatic reconstruction, liposuction, and vascularized lymph node transfer.Respondents reported that available CPT codes failed to reflect procedural scope. A wide variety of CPT codes was used to report each type of procedure. Insurance coverage problems led to 69.7% of respondents forgoing operations and 32% reducing treatment offerings. Insurance coverage and CPT codes were identified as significant barriers to care by 98.5% and 95.5% of respondents, respectively. CONCLUSIONS Respondents unanimously agreed on the importance of lymphatic reconstruction in cancer care, and most identified inadequate CPT codes as causing billing issues, which hindered their ability to offer surgical treatment. Appropriate and specific CPT codes are necessary to ensure accuracy and consistency of reporting and ultimately to improve patient access to care.
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Affiliation(s)
| | - Miriam Becker
- UC San Diego School of Medicine, Division of Plastic Surgery, La Jolla
| | | | - Chris M Reid
- UC San Diego School of Medicine, Division of Plastic Surgery, La Jolla
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Meroni M, Scaglioni MF. The use of superficial circumflex iliac perforator (SCIP) pedicle vein for lymphovenous anastomosis to treat inguinal lymphatic fistula: A case report. Microsurgery 2024; 44:e31181. [PMID: 38651643 DOI: 10.1002/micr.31181] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/03/2024] [Revised: 02/23/2024] [Accepted: 04/09/2024] [Indexed: 04/25/2024]
Abstract
The management of lymphatic fistulas following surgical procedures, in particular after inguinal lymphadenectomy, represents a significant clinical challenge. The current case report shows the novel use of the superficial circumflex iliac perforator (SCIP) pedicle vein for lymphovenous anastomosis (LVA) to treat a chronic inguinal lymphatic fistula in a 58-year-old male patient. This patient had developed a persistent lymphorrhea and wound dehiscence after a right inguinal lymph node biopsy performed for oncological reasons 1.5 months before. Pre-operative assessment with indocyanine green (ICG) lymphography confirmed a substantial lymphatic contribution to the wound discharge, thus guiding the surgical strategy. During the procedure, a pedicled tissue segment containing the SCIV was dissected and utilized to fill the wound's dead space and facilitate LVA with the leaking lymphatic vessel. Notably, a coupler device was employed for the anastomosis due to the large caliber of the lymphatic vessel involved, a technique not commonly reported in lymphatic surgeries. The result of the procedure was successful, with intra-operative ICG imaging confirming the patency of the anastomosis. After surgery the wound healed without complications. This case illustrates the potential of SCIV employment in lymphatic fistula repair in the inguinal region. While further research is needed to validate these findings, this report provides an unconventional approach to a relatively common problem in clinical practice.
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Affiliation(s)
- Matteo Meroni
- Department of Health Sciences and Medicine, University of Lucerne, Lucerne, Switzerland
| | - Mario F Scaglioni
- Department of Health Sciences and Medicine, University of Lucerne, Lucerne, Switzerland
- Department of Hand- and Plastic Surgery, Luzerner Kantonsspital, Lucerne, Switzerland
- Zentrum für Plastische Chirurgie, Pyramid Clinic, Zurich, Switzerland
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Seidenstuecker K, Fertsch S, Ghazaleh AA, Fabi A, Stoffel J, Bukowiecki J, Wolter A, Aghlmandi S, Nadella A, Halbeisen FS, Andree C, Haug MD, Schaefer DJ, Handschin TM, Kappos EA. Improving quality of life after breast cancer: a comparison of two microsurgical treatment options for breast cancer-related lymphedema (BCRL). Clin Exp Med 2024; 24:82. [PMID: 38653874 DOI: 10.1007/s10238-024-01344-w] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/02/2024] [Accepted: 04/02/2024] [Indexed: 04/25/2024]
Abstract
PURPOSE Vascularized lymph node transfer (VLNT) entails the autologous relocation of lymph nodes to a lymphedematous region of the body, whereas lymphaticovenous anastomosis (LVA) creates a direct bypass between the lymphatic and venous system. Both techniques are meant to lastingly bolster the local lymphatic drainage capacity. This study compared safety and effectiveness of VLNT and LVA in patients with chronic breast cancer related lymphedema (BCRL). METHODS A retrospective cohort study was conducted using data from our encrypted database composed of patients with chronic BCRL who were treated with either VLNT or LVA and had a minimum follow-up of two years. Patient-specific variables analyzed included pre- and postoperative arm circumferences, lymphedema stages and postoperative complications. RESULTS A total of 105 patients met the inclusion criteria, of which 96 patients demonstrated a complete follow-up period of two years. The VLNT group displayed larger preoperative circumferential measurements, evident in both in the isolated examination of the affected arm, as well as when adjusted for the contralateral unaffected arm. Significant reduction in arm volume was achieved by both groups. However, VLNT demonstrated superior relative reduction rates than LVA, neutralizing any significant arm size disparities after 24 months. Surgery duration was slightly longer for VLNT than LVA. Postoperative complications, predominantly minor, were exclusively observed in the VLNT group. CONCLUSIONS Both VLNT and LVA offer significant improvement for patients suffering from chronic BCRL. VLNT shows an even greater potential for improvement in more severe cases of BCRL, but involves a higher risk for (mostly minor) complications.
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Affiliation(s)
- Katrin Seidenstuecker
- Department of Plastic, Reconstructive and Aesthetic Surgery, Sana Hospital Düsseldorf, Düsseldorf, Germany
- Breast Center, University Hospital Düsseldorf, Düsseldorf, Germany
| | - Sonia Fertsch
- Department of Plastic, Reconstructive and Aesthetic Surgery, Sana Hospital Düsseldorf, Düsseldorf, Germany
- Faculty of Health, University Witten-Herdecke, Witten, Germany
| | - Alina A Ghazaleh
- Department of Plastic, Reconstructive and Aesthetic Surgery, Sana Hospital Düsseldorf, Düsseldorf, Germany
| | - Adriano Fabi
- Department of Plastic, Reconstructive, Aesthetic and Hand Surgery, University Hospital of Basel, Spitalstrasse 21, 4031, Basel, Switzerland
- Faculty of Medicine, University of Zurich, Zurich, Switzerland
| | - Julia Stoffel
- Department of Plastic, Reconstructive, Aesthetic and Hand Surgery, University Hospital of Basel, Spitalstrasse 21, 4031, Basel, Switzerland
- Faculty of Medicine, University of Basel, Basel, Switzerland
| | - Julia Bukowiecki
- Department of Plastic, Reconstructive and Aesthetic Surgery, Sana Hospital Düsseldorf, Düsseldorf, Germany
| | - Andreas Wolter
- Department of Plastic, Reconstructive and Aesthetic Surgery, Sana Hospital Düsseldorf, Düsseldorf, Germany
- Faculty of Health, University Witten-Herdecke, Witten, Germany
| | - Soheila Aghlmandi
- Surgical Outcome Research Center, Department of Clinical Research, University Hospital Basel and University of Basel, Basel, Switzerland
| | - Anshoo Nadella
- Surgical Outcome Research Center, Department of Clinical Research, University Hospital Basel and University of Basel, Basel, Switzerland
| | - Florian S Halbeisen
- Surgical Outcome Research Center, Department of Clinical Research, University Hospital Basel and University of Basel, Basel, Switzerland
| | - Christoph Andree
- Department of Plastic, Reconstructive and Aesthetic Surgery, Sana Hospital Düsseldorf, Düsseldorf, Germany
| | - Martin D Haug
- Department of Plastic, Reconstructive, Aesthetic and Hand Surgery, University Hospital of Basel, Spitalstrasse 21, 4031, Basel, Switzerland
- Faculty of Medicine, University of Basel, Basel, Switzerland
| | - Dirk J Schaefer
- Department of Plastic, Reconstructive, Aesthetic and Hand Surgery, University Hospital of Basel, Spitalstrasse 21, 4031, Basel, Switzerland
- Faculty of Medicine, University of Basel, Basel, Switzerland
| | - Tristan M Handschin
- Department of Plastic, Reconstructive, Aesthetic and Hand Surgery, University Hospital of Basel, Spitalstrasse 21, 4031, Basel, Switzerland
- Faculty of Medicine, University of Basel, Basel, Switzerland
| | - Elisabeth A Kappos
- Department of Plastic, Reconstructive, Aesthetic and Hand Surgery, University Hospital of Basel, Spitalstrasse 21, 4031, Basel, Switzerland.
- Faculty of Medicine, University of Basel, Basel, Switzerland.
- Breast Center, University Hospital of Basel, Basel, Switzerland.
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Poskevicius A, Meroni M, Fuchs B, Scaglioni MF. Combined perforator flaps and lymphatic procedures in reconstructions after sarcoma resection. Microsurgery 2024; 44:e31119. [PMID: 37743714 DOI: 10.1002/micr.31119] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/03/2023] [Revised: 08/28/2023] [Accepted: 09/14/2023] [Indexed: 09/26/2023]
Abstract
BACKGROUND Soft tissue sarcomas are a subtle category of tumors that often require an extensive surgical resection for definitive treatment. This kind of intervention inevitably leads to large tissue damage and, when regions with rich lymphatic network are involved, postoperative complications such as lymphocele or lymphedema are quite common. In this report we present our experience with the combination of lymphatic procedures with perforator flaps for defects reconstruction and lymphatic complications preventions after sarcoma resection throughout the body. METHODS Between 2019 and 2021, 15 patients underwent a surgical resection of soft tissue sarcoma, also including bone tissue in 2 cases, requiring soft tissue reconstruction. A perforator flap reconstruction surgery was performed in all cases. The median age was 59.8 years old (ranging 23-84), 8 patients were females and 7 were males. The lymphovenous anastomosis (LVA) surgery concept was applied to all cases, while other additional lymphatic procedures were chosen individually for every patient. RESULTS All patients were successfully treated without any perioperative complications. In 3 cases infected seroma was encountered in the acceptor site and then successfully treated by means of debridement and vacuum assisted closure (VAC) therapy. 2 patients experienced postoperative lymphedema in the acceptor site which was managed by secondary procedures. Good functional and aesthetic outcomes were achieved in all cases. The mean follow-up was 19.6 months (range 10-33 months). CONCLUSIONS Different combinations of modern lymphatic procedures can be created to find the best solution and tailor the treatment to the patient's needs. Preventative measures regarding lymphatic complications can be highly effective and should be taken into consideration in every reconstructive approach following large soft tissue defects with impairment of the lymphatic network.
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Affiliation(s)
- Audrius Poskevicius
- Department of Hand- and Plastic Surgery, Luzerner Kantonsspital, Lucerne, Switzerland
- Department of Health Sciences and Medicine, University of Lucerne, Lucerne, Switzerland
| | - Matteo Meroni
- Department of Hand- and Plastic Surgery, Luzerner Kantonsspital, Lucerne, Switzerland
| | - Bruno Fuchs
- Department of Orthopedic Surgery, Luzerner Kantonsspital, Lucerne, Switzerland
| | - Mario F Scaglioni
- Department of Hand- and Plastic Surgery, Luzerner Kantonsspital, Lucerne, Switzerland
- Department of Health Sciences and Medicine, University of Lucerne, Lucerne, Switzerland
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Donahue PMC, MacKenzie A, Filipovic A, Koelmeyer L. Advances in the prevention and treatment of breast cancer-related lymphedema. Breast Cancer Res Treat 2023; 200:1-14. [PMID: 37103598 DOI: 10.1007/s10549-023-06947-7] [Citation(s) in RCA: 11] [Impact Index Per Article: 11.0] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/30/2023] [Accepted: 04/06/2023] [Indexed: 04/28/2023]
Abstract
PURPOSE Breast cancer-related lymphedema (BCRL) represents a lifelong risk for breast cancer survivors and once acquired becomes a lifelong burden. This review summarizes current BCRL prevention and treatment strategies. FINDINGS Risk factors for BCRL have been extensively studied and their identification has affected breast cancer treatment practice, with sentinel lymph node removal now standard of care for patients with early stage breast cancer without sentinel lymph node metastases. Early surveillance and timely management aim to reduce BCRL incidence and progression, and are further facilitated by patient education, which many breast cancer survivors report not having adequately received. Surgical approaches to BCRL prevention include axillary reverse mapping, lymphatic microsurgical preventative healing (LYMPHA) and Simplified LYMPHA (SLYMPHA). Complete decongestive therapy (CDT) remains the standard of care for patients with BCRL. Among CDT components, facilitating manual lymphatic drainage (MLD) using indocyanine green fluorescence lymphography has been proposed. Intermittent pneumatic compression, nonpneumatic active compression devices, and low-level laser therapy appear promising in lymphedema management. Reconstructive microsurgical techniques such as lymphovenous anastomosis and vascular lymph node transfer are growing surgical considerations for patients as well as liposuction-based procedures for addressing fatty fibrosis formation from chronic lymphedema. Long-term self-management adherence remains problematic, and lack of diagnosis and measurement consensus precludes a comparison of outcomes. Currently, no pharmacological approaches have proven successful. CONCLUSION Progress in prevention and treatment of BCRL continues, requiring advances in early diagnosis, patient education, expert consensus and novel treatments designed for lymphatic rehabilitation following insults.
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Affiliation(s)
- Paula M C Donahue
- Physical Medicine and Rehabilitation, Vanderbilt University Medical Center, 2201 21St Children's Way, Suite 1218, Nashville, TN, 37212, USA.
- Dayani Center for Health and Wellness, Vanderbilt University Medical Center, Nashville, TN, USA.
| | - Adrien MacKenzie
- Osher Center for Integrative Health, Vanderbilt University Medical Center, Nashville, TN, USA
| | | | - Louise Koelmeyer
- Faculty of Medicine, Health, and Human Sciences, Australian Lymphoedema Education, Research, and Treatment (ALERT), Macquarie University, Sydney, Australia
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Di Taranto G, Coleman GJ, Hardwicke J, Wallis KL, Skillman J. A comparative study between deep inferior epigastric artery perforator flap breast reconstruction and DIEP flap breast reconstruction coupled with vascularized lymph node transfer: Improving the quality of life of patients with breast cancer related lymphedema without affecting donor site outcomes. Microsurgery 2023; 43:213-221. [PMID: 35635124 DOI: 10.1002/micr.30924] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/18/2021] [Revised: 03/15/2022] [Accepted: 05/06/2022] [Indexed: 11/06/2022]
Abstract
BACKGROUND Despite simultaneous microvascular breast reconstruction (MBR) and vascularized lymph node transfer (VLNT) gaining wide popularity as a potential treatment for breast cancer related lymphedema (BCRL), there is a lack of evidence supporting the procedure. There are few reports in the literature, and no study has compared simple deep inferior epigastric artery perforator (DIEP) to simultaneous DIEP flap and VLNT. PATIENTS AND METHODS A retrospective analysis of our series of DIEP flaps was conducted. Patients presenting with BCRL who had delayed MBR and simultaneous VLNT were selected. Thirty-two patients were included and compared with a control group of delayed MBR with DIEP flap alone. Clinical evaluation, circumference reduction rate, and LYMQOL questionnaire were used to compare preoperative and postoperative findings in the study group. A digital version of BREAST Q questionnaire was administered to all patients. RESULTS Thirty-two patients were enrolled in the study group, with a mean follow-up of 42.5 ± 25.7 months and mean age of 54.1 ± 7.8 years. The mean circumference reduction rate was 46.1 ± 52.3, 39 ± 42.3, 47.5 ± 53.5, 39.2 ± 52.4, 33.6 ± 50.1 at the deltoid insertion, above the elbow, below the elbow, at the mid-forearm and wrist respectively. Postoperative LYMQOL scores significantly improved (function 1.21, appearance 1.15, symptoms 1.34, mood 1.33, overall QOLscore 8.6) from preoperative baseline (p < .001). There was no significant difference in term of outcomes and complications rate of the donor site between the study and control groups. CONCLUSIONS Simultaneous DIEPandVLNT improves the HRQOL of patients with lymphedema. Coupling VLNT with abdominal flap does not increase the morbidity of donor site.
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Affiliation(s)
- Giuseppe Di Taranto
- Department of Plastic Surgery, University Hospitals of Coventry and Warwickshire, Coventry, UK.,Department of Surgery "P Valdoni", Sapienza University, Rome, Italy
| | - Grant J Coleman
- Department of Plastic Surgery, University Hospitals of Coventry and Warwickshire, Coventry, UK
| | - Joseph Hardwicke
- Department of Plastic Surgery, University Hospitals of Coventry and Warwickshire, Coventry, UK.,Honorary Professor, Warwick Medical School, University of Warwick, Coventry, UK
| | - Katy L Wallis
- Department of Plastic Surgery, University Hospitals of Coventry and Warwickshire, Coventry, UK
| | - Joanna Skillman
- Department of Plastic Surgery, University Hospitals of Coventry and Warwickshire, Coventry, UK
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Combining reconstructive and ablative surgical treatment of chronic breast cancer-related lymphedema (BCRL): safe and effective. Breast Cancer Res Treat 2023; 197:83-92. [PMID: 36287309 PMCID: PMC9823021 DOI: 10.1007/s10549-022-06778-y] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/15/2022] [Accepted: 10/13/2022] [Indexed: 01/11/2023]
Abstract
PURPOSE We investigated whether a one-stage combination of vascularized lymph node transfer (VLNT) with water jet-assisted liposuction (WAL) can be safely performed and results in improved patient outcomes such as a greater reduction in arm volume when treating chronic breast cancer-related lymphedema (BCRL). METHODS In this retrospective cohort study, we included all patients from our encrypted lymphedema database treated for chronic BCRL with VLNT or VLNT + WAL who had a minimum follow-up of two years. We analyzed patient-specific variables including arm circumferences as well as patient-reported outcomes before and after surgery as well as surgery time, surgery-related complications and patient satisfaction. RESULTS Only the mean preoperative differences of the circumferences between the lymphedematous and the unaffected arm in individual patients showed a statistically significant difference between treatment groups (p < 0.05). Indeed, patients treated with VLNT + WAL had consistently larger differences in individual sets of arms and therefore more pronounced chronic BCRL. The mean surgery time was significantly longer in the VLNT + WAL group (p < 0.05). Complications were seldom and similar in both groups. Using a numeric rating scale, the level of patient satisfaction following treatment did not differ significantly between groups (p = 0.323). CONCLUSIONS Our findings suggest that a one-stage combination of VLNT with WAL does not result in more complications even though it also entails a longer surgery time. This is acceptable as secondary interventions resulting in overall longer surgery times and higher costs can be avoided. A one-stage combination might be especially favourable for patients suffering from more severe chronic BCRL.
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Manrique OJ, Bustos SS, Ciudad P, Adabi K, Chen WF, Forte AJ, Cheville AL, Jakub JW, McLaughlin SA, Chen HC. Overview of Lymphedema for Physicians and Other Clinicians: A Review of Fundamental Concepts. Mayo Clin Proc 2022; 97:1920-1935. [PMID: 32829905 DOI: 10.1016/j.mayocp.2020.01.006] [Citation(s) in RCA: 13] [Impact Index Per Article: 6.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 06/13/2019] [Revised: 10/17/2019] [Accepted: 01/06/2020] [Indexed: 12/16/2022]
Abstract
Lymphedema has historically been underrated in clinical practice, education, and scholarship to the detriment of many patients with this chronic, debilitating condition. The mechanical insufficiency of the lymphatic system causes the abnormal accumulation of protein-rich fluid in the interstitium, which triggers a cascade of adverse consequences such as fat deposition and fibrosis. As the condition progresses, patients present with extremity heaviness, itchiness, skin infections, and, in later stages, dermal fibrosis, skin papillomas, acanthosis, and other trophic skin changes. Correspondingly, lymphedema results in psychological morbidity, including anxiety, depression, social avoidance, and a decreased quality of life, encompassing emotional, functional, physical, and social domains. For this review, we conducted a literature search using PubMed and EMBASE and herein summarize the evidence related to the fundamental concepts of lymphedema. This article aims to raise awareness of this serious condition and outline and review the fundamental concepts of lymphedema.
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Affiliation(s)
- Oscar J Manrique
- Division of Plastic and Reconstructive Surgery, Mayo Clinic, Rochester, MN.
| | - Samyd S Bustos
- Division of Plastic and Reconstructive Surgery, Mayo Clinic, Rochester, MN
| | - Pedro Ciudad
- Department of Plastic, Reconstructive and Burn Surgery, Arzobispo Loayza National Hospital, Lima, Peru
| | - Kian Adabi
- Division of Plastic and Reconstructive Surgery, Mayo Clinic, Rochester, MN
| | - Wei F Chen
- Division of Plastic and Reconstructive Surgery, University of Iowa, Iowa City
| | | | - Andrea L Cheville
- Department of Physical Medicine and Rehabilitation, Mayo Clinic, Rochester, MN
| | | | | | - Hung-Chi Chen
- Department of Plastic and Reconstructive Surgery, China Medical University Hospital, Taichung, Taiwan
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11
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Brown S, Mehrara BJ, Coriddi M, McGrath L, Cavalli M, Dayan JH. A Prospective Study on the Safety and Efficacy of Vascularized Lymph Node Transplant. Ann Surg 2022; 276:635-653. [PMID: 35837897 PMCID: PMC9463125 DOI: 10.1097/sla.0000000000005591] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/26/2022]
Abstract
PURPOSE While vascularized lymph node transplant (VLNT) has gained popularity, there are a lack of prospective long-term studies and standardized outcomes. The purpose of this study was to evaluate the safety and efficacy of VLNT using all available outcome measures. METHODS This was a prospective study on all consecutive patients who underwent VLNT. Outcomes were assessed with 2 patient-reported outcome metrics, limb volume, bioimpedance, need for compression, and incidence of cellulitis. RESULTS There were 89 patients with the following donor sites: omentum (73%), axilla (13%), supraclavicular (7%), groin (3.5%). The mean follow-up was 23.7±12 months. There was a significant improvement at 2 years postoperatively across all outcome measures: 28.4% improvement in the Lymphedema Life Impact Scale, 20% average reduction in limb volume, 27.5% improvement in bioimpedance score, 93% reduction in cellulitis, and 34% of patients no longer required compression. Complications were transient and low without any donor site lymphedema. CONCLUSIONS VLNT is a safe and effective treatment for lymphedema with significant benefits fully manifesting at 2 years postoperatively. Omentum does not have any donor site lymphedema risk making it an attractive first choice.
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Affiliation(s)
- Stav Brown
- Division of Plastic & Reconstructive Surgery, Department of Surgery, Memorial Sloan Kettering Cancer Center, New York, NY
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12
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Leppäpuska IM, Hartiala P, Suominen S, Suominen E, Kaartinen I, Mäki M, Seppänen M, Kiiski J, Viitanen T, Lahdenperä O, Vuolanto A, Alitalo K, Saarikko AM. Phase 1 Lymfactin® Study: 24-month Efficacy and Safety Results of Combined Adenoviral VEGF-C and Lymph Node Transfer Treatment for Upper Extremity Lymphedema. J Plast Reconstr Aesthet Surg 2022; 75:3938-3945. [DOI: 10.1016/j.bjps.2022.08.011] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/06/2022] [Accepted: 08/01/2022] [Indexed: 11/16/2022]
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13
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Physical and Functional Outcomes of Simultaneous Vascularized Lymph Node Transplant and Lymphovenous Bypass in the Treatment of Lymphedema. Plast Reconstr Surg 2022; 150:169-180. [PMID: 35583944 DOI: 10.1097/prs.0000000000009247] [Citation(s) in RCA: 7] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/26/2022]
Abstract
BACKGROUND The authors analyze the outcomes of simultaneous vascularized lymph node transplant and lymphovenous bypass for treatment of primary and secondary lymphedema. To the best of their knowledge, this is the largest study to date with long-term outcome data of this novel approach. METHODS Three hundred twenty-eight patients who underwent physiologic surgical treatment over a 5.5-year period were evaluated using a prospective database and chart review. Preoperative characteristics, operative details, and postoperative outcomes (volume difference change, Lymphedema Life Impact Scale score) were assessed. Statistical analysis including multivariate regression was performed. RESULTS Two hundred twenty patients (67.1 percent) underwent simultaneous vascularized lymph node transplant and lymphovenous bypass. Mean body mass index was 26.9 ± 4.7 kg/m 2 . Ninety-two patients (41.8 percent) had lymphedema of the lower extremity, 121 (55.0 percent) had upper extremity involvement, and seven had lymphedema of upper and lower extremities (3.2 percent). Average duration of lymphedema was 95.4 ± 103.6 months. Thirty patients (13.6 percent) had primary lymphedema and 190 patients (86.4 percent) had secondary lymphedema. The majority improved and experienced volume reduction of an average 21.4 percent at 1 year ( p < 0.0001), 36.2 percent at 2 years ( p < 0.0001), 25.5 percent at 3 years ( p = 0.1), and 19.6 percent at 4 years. Median Lymphedema Life Impact Scale scores were 7.0 points lower ( p < 0.0001) at 3 months and improved progressively over time to 27.5 points lower at 3 years postoperatively ( p < 0.005). CONCLUSIONS Simultaneous vascularized lymph node transplant and lymphovenous bypass is an appropriate and effective approach for both early and advanced stages of primary and secondary lymphedema, with significant objective and subjective improvements. Volume reduction in the affected limb was observed at all time points postoperatively, with significant improvement in Lymphedema Life Impact Scale scores. CLINICAL QUESTION/LEVEL OF EVIDENCE Therapeutic, III.
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14
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Jt S, M H, Wam B, Ac B, Sa N. Adenoviral vectors for cardiovascular gene therapy applications: a clinical and industry perspective. J Mol Med (Berl) 2022; 100:875-901. [PMID: 35606652 PMCID: PMC9126699 DOI: 10.1007/s00109-022-02208-0] [Citation(s) in RCA: 5] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/01/2021] [Revised: 04/29/2022] [Accepted: 05/10/2022] [Indexed: 11/29/2022]
Abstract
Abstract Despite the development of novel pharmacological treatments, cardiovascular disease morbidity and mortality remain high indicating an unmet clinical need. Viral gene therapy enables targeted delivery of therapeutic transgenes and represents an attractive platform for tackling acquired and inherited cardiovascular diseases in the future. Current cardiovascular gene therapy trials in humans mainly focus on improving cardiac angiogenesis and function. Encouragingly, local delivery of therapeutic transgenes utilising first-generation human adenovirus serotype (HAd)-5 is safe in the short term and has shown some efficacy in drug refractory angina pectoris and heart failure with reduced ejection fraction. Despite this success, systemic delivery of therapeutic HAd-5 vectors targeting cardiovascular tissues and internal organs is limited by negligible gene transfer to target cells, elimination by the immune system, liver sequestration, off-target effects, and episomal degradation. To circumvent these barriers, cardiovascular gene therapy research has focused on determining the safety and efficacy of rare alternative serotypes and/or genetically engineered adenoviral capsid protein-modified vectors following local or systemic delivery. Pre-clinical studies have identified several vectors including HAd-11, HAd-35, and HAd-20–42-42 as promising platforms for local and systemic targeting of vascular endothelial and smooth muscle cells. In the past, clinical gene therapy trials were often restricted by limited scale-up capabilities of gene therapy medicinal products (GTMPs) and lack of regulatory guidance. However, significant improvement of industrial GTMP scale-up and purification, development of novel producer cell lines, and issuing of GTMP regulatory guidance by national regulatory health agencies have addressed many of these challenges, creating a more robust framework for future adenoviral-based cardiovascular gene therapy. In addition, this has enabled the mass roll out of adenovirus vector-based COVID-19 vaccines. Key messages First-generation HAd-5 vectors are widely used in cardiovascular gene therapy. HAd-5-based gene therapy was shown to lead to cardiac angiogenesis and improved function. Novel HAd vectors may represent promising transgene carriers for systemic delivery. Novel methods allow industrial scale-up of rare/genetically altered Ad serotypes. National regulatory health agencies have issued guidance on GMP for GTMPs.
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Affiliation(s)
- Schwartze Jt
- Institute of Cardiovascular and Medical Sciences, University of Glasgow, Glasgow, UK.
| | - Havenga M
- Batavia Biosciences B.V., Bioscience Park Leiden, Zernikedreef 16, 2333, CL, Leiden, The Netherlands
| | - Bakker Wam
- Batavia Biosciences B.V., Bioscience Park Leiden, Zernikedreef 16, 2333, CL, Leiden, The Netherlands
| | - Bradshaw Ac
- Institute of Cardiovascular and Medical Sciences, University of Glasgow, Glasgow, UK
| | - Nicklin Sa
- Institute of Cardiovascular and Medical Sciences, University of Glasgow, Glasgow, UK
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Hooks JST, Bernard FC, Cruz-Acuña R, Nepiyushchikh Z, Gonzalez-Vargas Y, García AJ, Dixon JB. Synthetic hydrogels engineered to promote collecting lymphatic vessel sprouting. Biomaterials 2022; 284:121483. [PMID: 35428014 PMCID: PMC9134840 DOI: 10.1016/j.biomaterials.2022.121483] [Citation(s) in RCA: 8] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/30/2021] [Revised: 03/14/2022] [Accepted: 03/21/2022] [Indexed: 12/16/2022]
Abstract
The lymphatic vasculature is an essential component of the body's circulation providing a network of vessels to return fluid and proteins from the tissue space to the blood, to facilitate immune ce-ll and antigen transport to lymph nodes, and to take up dietary lipid from the intestine. The development of biomaterial-based strategies to facilitate the growth of lymphatics either for regenerative purposes or as model system to study lymphatic biology is still in its nascent stages. In particular, platforms that encourage the sprouting and formation of lymphatic networks from collecting vessels are particularly underdeveloped. Through implementation of a modular, poly(ethylene glycol) (PEG)-based hydrogel, we explored the independent contributions of matrix elasticity, degradability, and adhesive peptide presentation on sprouting of implanted segments of rat lymphatic collecting vessels. An engineered hydrogel with 680 Pa elasticity, 2.0 mM RGD adhesive peptide, and full susceptibility to protease degradability produced the highest levels of sprouting relative to other physicochemical matrix properties. This engineered hydrogel was then utilized as a scaffold to facilitate the implantation of a donor vessel that functionally grafted into the host vasculature. This hydrogel provides a promising platform for facilitating lymphangiogenesis in vivo or as a means to understand the cellular mechanisms involved in the sprout process during collecting lymphatic vessel collateralization.
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Affiliation(s)
- Joshua S T Hooks
- Parker H. Petit Institute for Bioengineering and Bioscience, Georgia Institute of Technology, 315 Ferst Dr. Atlanta, GA, 30332, USA; George W. Woodruff School of Mechanical Engineering, Georgia Institute of Technology, 801 Ferst Dr. Atlanta, GA, 30313, USA
| | - Fabrice C Bernard
- Parker H. Petit Institute for Bioengineering and Bioscience, Georgia Institute of Technology, 315 Ferst Dr. Atlanta, GA, 30332, USA; Wallace H. Coulter Department of Biomedical Engineering, Georgia Institute of Technology, 313 Ferst Dr NW, Atlanta, GA, 30332, USA
| | - Ricardo Cruz-Acuña
- Parker H. Petit Institute for Bioengineering and Bioscience, Georgia Institute of Technology, 315 Ferst Dr. Atlanta, GA, 30332, USA; Wallace H. Coulter Department of Biomedical Engineering, Georgia Institute of Technology, 313 Ferst Dr NW, Atlanta, GA, 30332, USA
| | - Zhanna Nepiyushchikh
- Parker H. Petit Institute for Bioengineering and Bioscience, Georgia Institute of Technology, 315 Ferst Dr. Atlanta, GA, 30332, USA; George W. Woodruff School of Mechanical Engineering, Georgia Institute of Technology, 801 Ferst Dr. Atlanta, GA, 30313, USA
| | - Yarelis Gonzalez-Vargas
- Parker H. Petit Institute for Bioengineering and Bioscience, Georgia Institute of Technology, 315 Ferst Dr. Atlanta, GA, 30332, USA; George W. Woodruff School of Mechanical Engineering, Georgia Institute of Technology, 801 Ferst Dr. Atlanta, GA, 30313, USA
| | - Andrés J García
- Parker H. Petit Institute for Bioengineering and Bioscience, Georgia Institute of Technology, 315 Ferst Dr. Atlanta, GA, 30332, USA; George W. Woodruff School of Mechanical Engineering, Georgia Institute of Technology, 801 Ferst Dr. Atlanta, GA, 30313, USA; Wallace H. Coulter Department of Biomedical Engineering, Georgia Institute of Technology, 313 Ferst Dr NW, Atlanta, GA, 30332, USA
| | - J Brandon Dixon
- Parker H. Petit Institute for Bioengineering and Bioscience, Georgia Institute of Technology, 315 Ferst Dr. Atlanta, GA, 30332, USA; George W. Woodruff School of Mechanical Engineering, Georgia Institute of Technology, 801 Ferst Dr. Atlanta, GA, 30313, USA; Wallace H. Coulter Department of Biomedical Engineering, Georgia Institute of Technology, 313 Ferst Dr NW, Atlanta, GA, 30332, USA.
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16
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Weber E, Aglianò M, Bertelli E, Gabriele G, Gennaro P, Barone V. Lymphatic Collecting Vessels in Health and Disease: A Review of Histopathological Modifications in Lymphedema. Lymphat Res Biol 2022; 20:468-477. [PMID: 35041535 PMCID: PMC9603277 DOI: 10.1089/lrb.2021.0090] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/02/2022] Open
Abstract
Secondary lymphedema of the extremities affects millions of people in the world as a common side effect of oncological treatments with heavy impact on every day life of patients and on the health care system. One of the surgical techniques for lymphedema treatment is the creation of a local connection between lymphatic vessels and veins, facilitating drainage of lymphatic fluid into the circulatory system. Successful results, however, rely on using a functional vessel for the anastomosis, and vessel function, in turn, depends on its structure. The structure of lymphatic collecting vessels changes with the progression of lymphedema. They appear initially dilated by excess interstitial fluid entered at capillary level. The number of lymphatic smooth muscle cells in their media then increases in the attempt to overcome the impaired drainage. When lymphatic muscle cells hyperplasia occurs at the expenses of the lumen, vessel patency decreases hampering lymph flow. Finally, collagen fiber accumulation leads to complete occlusion of the lumen rendering the vessel unfit to conduct lymph. Different types of vessels may coexist in the same patient but usually the distal part of the limb contains less affected vessels that are more likely to perform efficient lymphatic–venular anastomosis. Here we review the structure of the lymphatic collecting vessels in health and in lymphedema, focusing on the histopathological changes of the lymphatic vessel wall based on the observations on segments of the vessels used for lymphatic–venular anastomoses.
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Affiliation(s)
- Elisabetta Weber
- Department of Molecular and Developmental Medicine and Surgical and Neurological Sciences, University of Siena, Siena, Italy
| | - Margherita Aglianò
- Department of Clinical, Surgical and Neurological Sciences, University of Siena, Siena, Italy
| | - Eugenio Bertelli
- Department of Molecular and Developmental Medicine and Surgical and Neurological Sciences, University of Siena, Siena, Italy
| | - Guido Gabriele
- Department of Medical Biotechnologies, University of Siena, Azienda Ospedaliera Universitaria Senese AOUS, Siena, Italy
| | - Paolo Gennaro
- Department of Medical Biotechnologies, University of Siena, Azienda Ospedaliera Universitaria Senese AOUS, Siena, Italy
| | - Virginia Barone
- Department of Molecular and Developmental Medicine and Surgical and Neurological Sciences, University of Siena, Siena, Italy
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17
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Bolletta A, di Taranto G, Losco L, Elia R, Sert G, Ribuffo D, Cigna E, Chen HC. Combined lymph node transfer and suction-assisted lipectomy in lymphedema treatment: A prospective study. Microsurgery 2022; 42:433-440. [PMID: 34994481 DOI: 10.1002/micr.30855] [Citation(s) in RCA: 14] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/15/2021] [Revised: 09/22/2021] [Accepted: 11/29/2021] [Indexed: 12/16/2022]
Abstract
BACKGROUND Recent studies have analyzed the combination of suction-assisted lipectomy (SAL) and vascularized lymph node transfer (VLNT) in lymphedema treatment, reporting positive outcomes. However, it is difficult to draw conclusions due to the heterogeneity of the studies. Aim of this prospective study is to evaluate the effectiveness of the combination of VLNT and SAL in lymphedema treatment. PATIENTS AND METHODS Between January 2016 and May 2019, 94 patients with upper or lower limb stage IIb-III lymphedema were enrolled and treated with the gastroepiploic VLNT followed by SAL. Patients were prospectively evaluated through circumference measurement and clinical examination, including number of episodes of cellulitis. RESULTS Among patients enrolled in the study 83 were affected by lower limb lymphedema (LLL) and 11 were affected by upper limb lymphedema (ULL). Average follow-up was 3 ± 0.8 years. In the LLL group, the mean circumference reduction rates (CRR) were 60.4, 56.9, 29.6, and 55.4% above and below the knee, above the ankle, and at the foot level, respectively. A statistically significant difference was noted at all the levels (p < .05), but above the ankle (p = .059). Regarding the ULL group, the mean CRR were 80.7, 60.7, 65.0 and 49.6% above and below the elbow, at wrist and at mid-hand, respectively. CRR were reported at all the levels but no statistical difference was noted. The number of episodes of cellulitis dropped significantly (p < .05). CONCLUSION This study supports the use of VLNT+SAL in lymphedema grades IIb-III, with important implications for the clinical practice.
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Affiliation(s)
- Alberto Bolletta
- Department of Plastic Surgery, China Medical University Hospital, Taichung, Taiwan.,Plastic Surgery Unit, Department of Translational Research and New Technologies in Medicine and Surgery, University of Pisa, Pisa, Italy
| | - Giuseppe di Taranto
- Department of Plastic Surgery, China Medical University Hospital, Taichung, Taiwan.,Plastic Surgery Unit, Department of surgery, Sapienza University of Rome, Italy
| | - Luigi Losco
- Department of Plastic Surgery, China Medical University Hospital, Taichung, Taiwan.,Plastic Surgery Unit, Department of Translational Research and New Technologies in Medicine and Surgery, University of Pisa, Pisa, Italy
| | - Rossella Elia
- Department of Plastic Surgery, China Medical University Hospital, Taichung, Taiwan.,Unit of Plastic and Reconstructive Surgery, Department of Emergency and Organ Transplantation, University of Bari, Bari, Italy
| | - Gokhan Sert
- Department of Plastic Surgery, China Medical University Hospital, Taichung, Taiwan
| | - Diego Ribuffo
- Plastic Surgery Unit, Department of surgery, Sapienza University of Rome, Italy
| | - Emanuele Cigna
- Plastic Surgery Unit, Department of Translational Research and New Technologies in Medicine and Surgery, University of Pisa, Pisa, Italy
| | - Hung-Chi Chen
- Department of Plastic Surgery, China Medical University Hospital, Taichung, Taiwan
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18
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Freyne A, Donoghue NO, Shahabuddin Y, Baker R, Murtagh C, Gleeson N. Severe lymphoedema in gynaecological cancers: Impact of pneumatic compression on quality of life. Gynecol Oncol Rep 2022; 39:100902. [PMID: 34977316 PMCID: PMC8683719 DOI: 10.1016/j.gore.2021.100902] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 08/31/2021] [Revised: 10/27/2021] [Accepted: 12/01/2021] [Indexed: 11/25/2022] Open
Abstract
Lower limb lymphoedema adversely affects quality of life in gynaecological cancer patients. Pneumatic compression devices facilitate home self-management of severe lymphoedema. Significant improvement across all quality of life domains except sexual function was achieved.
Objective Good survival rates from gynaecological cancers focus our attention on the quality of survivorship. Lymphoedema is a common complication that affects many aspects of quality of life (QOL). We undertook a prospective audit of QOL of patients with higher grade lymphoedema using home compression pneumatic devices. The aim of this study was to assess QOL in a mixed gynaecological cancer cohort before and after at least eight weeks of home compression treatment. Methods Thirteen patients with the most severely disabling lower limb lymphoedema based on routinely collected QOL scores or a history of hospital admissions with related infection were invited to participate. QOL was assessed using the EORTC QLQ-C30 Version 3.0 and a supplementary gynaecological cancer-specific lymphoedema questionnaire. Home compression therapy was introduced not sooner than 3 months after primary cancer treatment. All patients applied compression treatment for at least one hour per day. Descriptive statistics and Wilcoxon signed-rank test were applied. A p-value < 0.05 was considered statistically significant. Results All participants’ functional and symptom scores improved with compression therapy with the exception of sexual function. Conclusions Self-management with pneumatic compression devices at home is a useful adjunct in the management of severe lymphoedema. Our preliminary experience showed a substantial improvement in most QOL parameters. We cannot say if domiciliary treatment with this compression device would have broader application or a role in primary or secondary prevention of lymphoedema if introduced at an earlier stage.
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Affiliation(s)
- Aoife Freyne
- Department of Gynaecology, St James's Hospital, Dublin, Ireland
| | - Niamh O Donoghue
- Department of Gynaecology, St James's Hospital, Dublin, Ireland.,School of Medicine, Trinity College Dublin, Dublin, Ireland
| | | | - Roisin Baker
- Royal College of Surgeons, St Stephen's Green, Dublin 2, Ireland
| | - Claire Murtagh
- Department of Gynaecology, St James's Hospital, Dublin, Ireland
| | - Noreen Gleeson
- Department of Gynaecology, St James's Hospital, Dublin, Ireland.,School of Medicine, Trinity College Dublin, Dublin, Ireland
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Kitamura K, Iwase S, Komoike Y, Ogawa Y, Utsugi K, Yamamoto D, Odagiri H. Evidence-Based Practice Guideline for the Management of Lymphedema Proposed by the Japanese Lymphedema Society. Lymphat Res Biol 2022; 20:539-547. [PMID: 34981970 DOI: 10.1089/lrb.2021.0032] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/12/2022] Open
Abstract
Background: Secondary lymphedema mostly occurs as an aftereffect of cancer treatment, and it is estimated that 100,000-150,000 patients are affected in Japan. An estimated 3500 patients, develop lymphedema of the lower and upper extremities each year secondary to uterine and breast cancer treatment. Medical reimbursement was first instituted in April 2008 by the Ministry of Health, Labour and Welfare in Japan. Since 2008, we have developed guidelines regarding treatment options for patients with lymphedema based on scientific evidence. This is the third edition of the guidelines established by the Japanese Lymphedema Society (JLES), published in 2018. The JLES Practice Guideline-Making Committee (PGMC) developed 21 clinical questions (CQs). Methods and Results: A review of these 15 CQs was performed in accordance with the methodology for establishing clinical guidelines. The 15 recommendations for each of these CQs were developed and discussed until consensus by the PGMC was reached. Moreover, outside members who had no involvement in these guidelines evaluated the contents using the Appraisal of Guidelines for Research and Evaluation (AGREE) II reporting checklist. Conclusion: These guidelines have been produced for the adequate management of lymphedema by doctors and other medical staff on the lymphedema management team of medical institutes, including nurses, physical technicians, and occupational therapists.
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Affiliation(s)
- Kaoru Kitamura
- Medical Corporation, Department of Breast Surgery, Fukuoka, Japan
| | - Satoru Iwase
- Department of Emergency and Palliative Medicine, Saitama Medical University, Moroyama, Japan
| | - Yoshifumi Komoike
- Department of Surgery, Kindai University Faculty of Medicine, Osaka, Japan
| | - Yoshinari Ogawa
- Department of Breast Surgical Oncology, Osaka City General Hospital, Osaka, Japan
| | - Kuniko Utsugi
- Cancer Screening Center, Cancer Institute Hospital of Japanese Foundation for Cancer Research, Koto, Japan
| | | | - Hiroki Odagiri
- Division of Breast Surgery, National Hirosaki Hospital, Hirosaki, Japan
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20
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Li Y, Dong R, Li Z, Wang L, Long X. Intra-abdominal vascularized lymph node transfer for treatment of lymphedema: A systematic literature review and meta-analysis. Microsurgery 2021; 41:802-815. [PMID: 34562039 DOI: 10.1002/micr.30812] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/31/2021] [Revised: 07/27/2021] [Accepted: 09/10/2021] [Indexed: 11/09/2022]
Abstract
BACKGROUND As a promising treatment for lymphedema, vascularized lymph node transfer (VLNT) is associated with a risk of iatrogenic lymphedema. Intra-abdominal vascularized lymph node flap has been increasingly applied to minimize complication. METHODS PubMed, EMBASE, Web of Sciences, and Cochrane databases were searched systematically. Clinical articles describing the application of intra-abdominal flaps to treat lymphedema were included. Study characteristics, patient demographics, and operative details were recorded. Primary outcomes were recorded as circumference/volume reduction, episodes of cellulitis reduction and lymph flow assessment. Secondary outcomes were recorded as donor-site complication and recipient-site complication. RESULTS Twenty-one studies met the inclusion criteria with 594 patients in total. Donor-sites of flaps were omental/gastroepiploic, jejunal, ileocecal, and appendicular. The mean reduction rate ranged from 0.38% to 70.8%. Significant reduction in infectious episodes was reported in 10 studies. The pooled donor-site complication rate was 1.4% (95% CI, 0%-4.1%; I2 = 40%). The pooled recipient-site complication rate was 3.2% (95% CI, 1.4%-5.5%; I2 = 39%). The most common donor-site complication was minor ileus requiring prolonged nasogastric tube replacement. No donor site lymph disfunction occurred. CONCLUSION Intra-abdominal VLNT is an effective technique for patients with lymphedema with no obvious impairment to donor-site lymph function, as long as the operation is properly performed.
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Affiliation(s)
- Yunzhu Li
- Department of Plastic and Reconstructive Surgery, Peking Union Medical College Hospital, Peking Union Medical College and Chinese Academy of Medical Sciences, Beijing, China
| | - Ruijia Dong
- Department of Plastic Surgery, Beijing Tsinghua Changgung Hospital, School of Clinical Medicine, Tsinghua University, Beijing, China
| | - Zhujun Li
- Department of Plastic and Reconstructive Surgery, Peking Union Medical College Hospital, Peking Union Medical College and Chinese Academy of Medical Sciences, Beijing, China
| | - Liquan Wang
- Department of Plastic and Reconstructive Surgery, Peking Union Medical College Hospital, Peking Union Medical College and Chinese Academy of Medical Sciences, Beijing, China
| | - Xiao Long
- Department of Plastic and Reconstructive Surgery, Peking Union Medical College Hospital, Peking Union Medical College and Chinese Academy of Medical Sciences, Beijing, China
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21
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Al-Hilli Z, Wilkerson A. Breast Surgery: Management of Postoperative Complications Following Operations for Breast Cancer. Surg Clin North Am 2021; 101:845-863. [PMID: 34537147 DOI: 10.1016/j.suc.2021.06.014] [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] [Indexed: 10/20/2022]
Abstract
Breast cancer surgery is associated with low rates of surgical morbidity. Postoperative complications related to breast surgery include seroma, infection, hematoma, mastectomy flap necrosis, wound dehiscence, persistent postsurgical pain, Mondor disease, fat necrosis, reduced tactile sensation after mastectomy, and venous thromboembolism. Postoperative complications related to axillary surgery include seroma, infection, lymphedema, nerve injury, and reduced shoulder/arm mobility. The overall rate of complication related to axilla surgery may be confounded by the type of breast surgery performed. The management of postoperative complications related to oncologic breast and axillary surgery independent of reconstruction is reviewed here.
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Affiliation(s)
- Zahraa Al-Hilli
- Department of General Surgery, Digestive Diseases and Surgery Institute, Cleveland Clinic, 9500 Euclid Avenue /A80, Cleveland, OH 44195, USA.
| | - Avia Wilkerson
- Department of General Surgery, Digestive Diseases and Surgery Institute, Cleveland Clinic, 9500 Euclid Avenue /A80, Cleveland, OH 44195, USA
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22
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Stritt S, Koltowska K, Mäkinen T. Homeostatic maintenance of the lymphatic vasculature. Trends Mol Med 2021; 27:955-970. [PMID: 34332911 DOI: 10.1016/j.molmed.2021.07.003] [Citation(s) in RCA: 32] [Impact Index Per Article: 10.7] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/11/2021] [Revised: 06/30/2021] [Accepted: 07/06/2021] [Indexed: 12/24/2022]
Abstract
The lymphatic vasculature is emerging as a multifaceted regulator of tissue homeostasis and regeneration. Lymphatic vessels drain fluid, macromolecules, and immune cells from peripheral tissues to lymph nodes (LNs) and the systemic circulation. Their recently uncovered functions extend beyond drainage and include direct modulation of adaptive immunity and paracrine regulation of organ growth. The developmental mechanisms controlling lymphatic vessel growth have been described with increasing precision. It is less clear how the essential functional features of lymphatic vessels are established and maintained. We discuss the mechanisms that maintain lymphatic vessel integrity in adult tissues and control vessel repair and regeneration. This knowledge is crucial for understanding the pathological vessel changes that contribute to disease, and provides an opportunity for therapy development.
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Affiliation(s)
- Simon Stritt
- Uppsala University, Department of Immunology, Genetics, and Pathology, 751 85 Uppsala, Sweden
| | - Katarzyna Koltowska
- Uppsala University, Department of Immunology, Genetics, and Pathology, 751 85 Uppsala, Sweden
| | - Taija Mäkinen
- Uppsala University, Department of Immunology, Genetics, and Pathology, 751 85 Uppsala, Sweden.
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23
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Yang JCS, Wu SC, Hayashi A, Lin WC, Huang GK, Tsai PY, Chien PC, Hsieh CH. Lower Limb Lymphedema Patients Can Still Benefit from Supermicrosurgical Lymphaticovenous Anastomosis (LVA) after Vascularized Lymph Node Flap Transfer (VLNT) as Delayed Lymphatic Reconstruction-A Retrospective Cohort Study. J Clin Med 2021; 10:jcm10143121. [PMID: 34300287 PMCID: PMC8305302 DOI: 10.3390/jcm10143121] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/17/2021] [Revised: 07/12/2021] [Accepted: 07/13/2021] [Indexed: 12/17/2022] Open
Abstract
Background: For lymphedema patients who received a vascularized lymph node flap transfer (VLNT) as their primary treatment, what are the treatment options when they seek further improvement? With recent publications supporting the use of lymphaticovenous anastomosis (LVA) for treating severe lymphedema, we examined whether LVA could benefit post-VLNT patients seeking further improvement. Methods: This retrospective cohort study enrolled eight lymphedema patients with nine lymphedematous limbs (one patient suffered from bilateral lower limb lymphedema) who had received VLNT as their primary surgery. Patients with previous LVA, liposuction, excisional therapy, or incomplete data were excluded. LVA was performed on nine lower lymphedematous limbs. Demographic data and intraoperative findings were recorded. Preoperative and postoperative limb volumes were measured with magnetic resonance volumetry. The primary outcome was the limb volume measured 6 months post-LVA. Results: The median duration of lymphedema before LVA was 10.5 (4.9–15.3) years. The median waiting time between VLNT and LVA was 41.4 (22.3–97.9) months. The median volume gained in the lymphedematous limb was 3836 (2505–4584) milliliters (mL). The median post-LVA follow-up period was 18 (6–30) months. Significant 6-month and 1-year post-LVA percentage volume reductions were found compared to pre-LVA volume (both p < 0.001). Conclusion: Based on the results from this study, the authors recommend the use of LVA as a secondary procedure for post-VLNT patients seeking further improvement.
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Affiliation(s)
- Johnson Chia-Shen Yang
- Division of Plastic and Reconstructive Surgery, Department of Surgery, Kaohsiung Chang Gung Memorial Hospital, Kaohsiung 833253, Taiwan; (P.-Y.T.); (P.-C.C.); (C.-H.H.)
- Graduate Institute of Clinical Medical Sciences, College of Medicine, Chang Gung University, Taoyuan 33302, Taiwan
- Correspondence: ; Tel.: +886-7-7317123 (ext. 8002)
| | - Shao-Chun Wu
- Department of Anesthesiology, Kaohsiung Chang Gung Memorial Hospital, Kaohsiung 833253, Taiwan;
- College of Medicine, Chang Gung University, Taoyuan 33302, Taiwan; (W.-C.L.); (G.-K.H.)
| | - Akitatsu Hayashi
- Department of Lymphedema Center, Kameda General Hospital, Chiba 296-0041, Japan;
| | - Wei-Che Lin
- College of Medicine, Chang Gung University, Taoyuan 33302, Taiwan; (W.-C.L.); (G.-K.H.)
- Department of Diagnostic Radiology, Kaohsiung Chang Gung Memorial Hospital, Kaohsiung 833253, Taiwan
| | - Gong-Kai Huang
- College of Medicine, Chang Gung University, Taoyuan 33302, Taiwan; (W.-C.L.); (G.-K.H.)
- Department of Pathology, Kaohsiung Chang Gung Memorial Hospital, Kaohsiung 833253, Taiwan
| | - Pei-Yu Tsai
- Division of Plastic and Reconstructive Surgery, Department of Surgery, Kaohsiung Chang Gung Memorial Hospital, Kaohsiung 833253, Taiwan; (P.-Y.T.); (P.-C.C.); (C.-H.H.)
- College of Medicine, Chang Gung University, Taoyuan 33302, Taiwan; (W.-C.L.); (G.-K.H.)
| | - Peng-Chen Chien
- Division of Plastic and Reconstructive Surgery, Department of Surgery, Kaohsiung Chang Gung Memorial Hospital, Kaohsiung 833253, Taiwan; (P.-Y.T.); (P.-C.C.); (C.-H.H.)
- College of Medicine, Chang Gung University, Taoyuan 33302, Taiwan; (W.-C.L.); (G.-K.H.)
| | - Ching-Hua Hsieh
- Division of Plastic and Reconstructive Surgery, Department of Surgery, Kaohsiung Chang Gung Memorial Hospital, Kaohsiung 833253, Taiwan; (P.-Y.T.); (P.-C.C.); (C.-H.H.)
- College of Medicine, Chang Gung University, Taoyuan 33302, Taiwan; (W.-C.L.); (G.-K.H.)
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Ward J, King I, Monroy-Iglesias M, Russell B, van Hemelrijck M, Ramsey K, Khan AA. A meta-analysis of the efficacy of vascularised lymph node transfer in reducing limb volume and cellulitis episodes in patients with cancer treatment-related lymphoedema. Eur J Cancer 2021; 151:233-244. [PMID: 34092349 DOI: 10.1016/j.ejca.2021.02.043] [Citation(s) in RCA: 13] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/13/2021] [Accepted: 02/22/2021] [Indexed: 01/06/2023]
Abstract
BACKGROUND Lymphoedema after cancer treatment is a chronic and disabling complication that presents a significant health care burden during survivorship with limited treatment options. Vascularised lymph node transfer (VLNT) can reconstruct lymphatic flow to reduce limb volumes, but limited higher-order evidence exists to support its effectiveness. AIM The aim of the study was to systematically review and meta-analyse the effectiveness of VLNT in reducing upper limb (UL) or lower limb (LL) volume and cellulitis episodes in patients with cancer treatment-related lymphoedema (CTRL). METHODS PubMed, Medline (Ovid) and Embase databases were searched between January 1974 and December 2019. Full-length articles where VLNT was the sole therapeutic procedure for CTRL, reporting volumetric limb, frequency of infection episodes and/or lymphoedema-specific quality-of-life data, were included in a random-effects meta-analysis of circumferential reduction rate (CRR). Methodological quality was assessed using STROBE/CONSORT, and a novel, lymphoedema-specific scoring tool was used to assess lymphoedema-specific methodological reporting. Sensitivity analyses on the site of VLNT harvest and recipient location were performed. RESULTS Thirty-one studies (581 patients) were eligible for inclusion. VLNT led to significant limb volume reductions in UL (above elbow pooled CRRs [CRRP] = 42.7% [95% confidence interval (CI): 36.5-48.8]; below elbow CRRP = 34.1% [95% CI: 33.0-35.1]) and LL (above knee CRRP = 46.8% [95% CI: 43.2-50.4]; below knee CRRP = 54.6% [95% CI: 39.0-70.2]) CTRL. VLNT flaps from extra-abdominal donor sites were associated with greater volume reductions (CRRP = 49.5% [95% CI: 46.5-52.5]) than those from intra-abdominal donor sites (CRRP = 39.6% [95% CI: 37.2-42.0]) and synchronous autologous breast reconstruction/VLNT flaps (CRRP = 32.7% [95% CI: 11.1-54.4]) (p < 0.05). VLNT was also found to reduce the mean number of cellulitis episodes by 2.1 episodes per year (95% CI: -2.7- -1.4) and increased lymphoedema-specific quality-of-life scores (mean difference in Lymphoedema-Specific Quality of Life (LYMQOL) "overall domain" = +4.26). CONCLUSIONS VLNT is effective in reducing excess limb volume and cellulitis episodes in both UL and LL lymphoedema after cancer treatment. However, significant heterogeneity exists in outcome reporting, and standardisation of reporting processes is recommended.
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Affiliation(s)
- Joseph Ward
- Department of Plastic Surgery, The Royal Marsden NHS Foundation Trust, London, UK
| | - Ian King
- Department of Plastic Surgery, The Royal Marsden NHS Foundation Trust, London, UK
| | - Maria Monroy-Iglesias
- Department of Translational Oncology and Urology Research, King's College London, London, UK
| | - Beth Russell
- Department of Translational Oncology and Urology Research, King's College London, London, UK
| | - Mieke van Hemelrijck
- Department of Translational Oncology and Urology Research, King's College London, London, UK
| | - Kelvin Ramsey
- Department of Plastic Surgery, The Royal Marsden NHS Foundation Trust, London, UK
| | - Aadil A Khan
- Department of Plastic Surgery, The Royal Marsden NHS Foundation Trust, London, UK.
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Gastroepiploic Lymph Node Flap Harvest for Patients With Lymphedema: Minimally Invasive Versus Open Approach. Ann Plast Surg 2021; 85:S87-S91. [PMID: 32530851 DOI: 10.1097/sap.0000000000002460] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/30/2022]
Abstract
BACKGROUND Vascularized gastroepiploic lymph node flaps have become a popular option to treat patients with extremity lymphedema. Overall, 2 surgical approaches to harvest this flap have been described: laparoscopic and open. In this study, we analyzed complications, harvesting time, and patient satisfaction scores, comparing these 2 techniques. METHODS Between 2012- and 2018, all patients with extremity lymphedema and candidates for the gastroepiploic flap harvest were included. Two groups were compared: open and laparoscopic approaches. Flap harvest time, postoperative pain, complications, return of gastrointestinal motility, time to discharge, and patient satisfaction scores were assessed. RESULTS A total of 177 patients were included, of which 126 underwent laparoscopic harvest and 51 patients underwent open approach. Only 2 patients in the laparoscopic group had prior abdominal surgery not related to cancer treatment compared with 7 patients in the open approach (P < 0.01). Average surgical completion time for the laparoscopic versus open approach was 136 and 102 minutes, respectively (P < 0.02). Postoperative complications for the laparoscopic versus open were as follows: 1 patient developed pancreatitis and 2 developed ileus in the laparoscopic approach, whereas 3 patients developed ileus, 1 developed small bowel obstruction, 2 developed superficial site infection, and 1 developed minor wound dehiscence in the open approach. No patient required further surgical intervention. Average return of gastrointestinal function was 1 day (laparoscopic) and 2 days (open), respectively. On a pain scale, pain scores at postoperative day 1 and upon discharge were on average 3 versus 7 and 2 versus 5, respectively (P < 0.05). Lengths of hospital stay were on average 2 days in the laparoscopic group and 5 days in the open group (P < 0.001). Patient satisfaction scores based on pain and scars were significantly better in the laparoscopic group versus open group (P < 0.03). CONCLUSIONS These data support that a minimal invasive approach is ideal and efficient when resources are available. In addition, the lower complication rate and high patient satisfaction scores give promising feedback to continue offering this technique.
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Long-term Results of Microvascular Lymph Node Transfer: Correlation of Preoperative Factors and Operation Outcome. PLASTIC AND RECONSTRUCTIVE SURGERY-GLOBAL OPEN 2021; 9:e3354. [PMID: 33564584 PMCID: PMC7858578 DOI: 10.1097/gox.0000000000003354] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/16/2020] [Accepted: 11/16/2020] [Indexed: 11/26/2022]
Abstract
Our objective was to analyze whether a correlation could be observed between preoperative factors and microvascular lymph node transfer outcome after long-term follow-up.
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Schaverien MV, Chang EI. Combined deep inferior epigastric artery perforator flap with vascularized groin lymph node transplant for treatment of breast cancer-related lymphedema. Gland Surg 2021; 10:460-468. [PMID: 33634003 DOI: 10.21037/gs.2020.02.14] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/06/2022]
Abstract
For survivors of breast cancer lymphedema is their greatest survivorship burden. Modern surgical techniques to treat lymphedema are effective at reducing limb volume, symptoms of lymphedema, episodes of cellulitis, and improving patient quality of life. Physiologic procedures, including lymphovenous bypass (LVB) and vascularized lymph node transplant (VLNT), restore physiological lymphatic function within the affected extremity. In patients with post-mastectomy breast cancer-related upper extremity lymphedema that desire breast reconstruction, microvascular abdominal flap breast reconstruction can be combined with superficial inguinal (groin) VLNT to provide breast reconstruction and treatment of lymphedema in a single operation. This article reviews the indications, preoperative assessment, surgical technique, outcomes, and tips and pearls for performing this procedure.
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Affiliation(s)
- Mark V Schaverien
- Division of Surgery, Department of Plastic Surgery, The University of Texas MD Anderson Cancer Center, Houston, TX, USA
| | - Edward I Chang
- Division of Surgery, Department of Plastic Surgery, The University of Texas MD Anderson Cancer Center, Houston, TX, USA
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Technical Challenges in "Micro" Lymph Node Identification during Vascularized Submental Lymph Node Flap Harvesting. PLASTIC AND RECONSTRUCTIVE SURGERY-GLOBAL OPEN 2020; 8:e3330. [PMID: 33425628 PMCID: PMC7787339 DOI: 10.1097/gox.0000000000003330] [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: 07/13/2020] [Accepted: 10/21/2020] [Indexed: 11/26/2022]
Abstract
Background: The outcome of autologous lymph node (LN) transfer has depended on the number of LNs in the donor site. Unknown accuracy of the LN counting method has thrown some doubts on the reliability of the previous statistics. This study aimed to assess the accuracy of naked eye (NK) and stereo microscopy (SM) as tools for LN count. Methods: In total, 40 vascularized submental LN flaps were harvested from 23 fresh cadavers. The colored polymer was injected into the external carotid arteries before the harvest. LNs in each flap were counted by NK, SM, and histology in sequential order. Results: An estimated 175 LNs were confirmed, 4.4 ± 1.8 per flap. NK sensitivity was 33.7% compared with that of SM at 63.5%. Both methods missed all micro-lymph nodes (micro-LNs), contributing to 5.1% (9 nodes) of all LNs. Non-LN structures (647 negative counts) were composed of fat lobules, salivary gland lobules, and muscle fibers. NK specificity was 98.0%, compared with that of SM at 96.1%. SM showed a higher false positive rate at 14.3%, compared with NK at 7.4%. False positive counts were located mostly in Ib sublevel. Conclusions: NK and SM are imperfect tools for LN count due to poor sensitivity. If the method needs to be applied, points of considerations are (1) undetectable micro-LNs, (2) interposition of LNs with the digastric muscle and submandibular salivary gland, (3) confusion of LNs with lobules of salivary gland supplied by glandular artery or fat lobules supplied by lobular artery.
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McLaughlin SA, Stout NL, Schaverien MV. Avoiding the Swell: Advances in Lymphedema Prevention, Detection, and Management. Am Soc Clin Oncol Educ Book 2020; 40:1-10. [PMID: 32315238 DOI: 10.1200/edbk_280471] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/27/2022]
Abstract
Lymphedema is a feared complication of cancer treatments that negatively affects survivors' quality of life. The true incidence of lymphedema is difficult to determine given its long latency period. As the number of survivors of cancer is increasing in the United States, lymphedema is poised to be a major health concern. The most noteworthy risk factor for lymphedema is comprehensive lymph node dissection. The last 2 decades have witnessed a dramatic shift in cancer treatment in an attempt to systematically de-escalate therapeutic interventions, specifically seeking to shift treatment away from routine lymph node dissection in favor of sentinel node biopsy or radiation strategies, thereby reducing the risk for lymphedema while maintaining survival outcomes. A growing body of robust evidence supports prospective screening and thereby a prospective surveillance model (PSM) for early diagnosis and intervention for the prevention and treatment of lymphedema. Finally, investigators are actively evaluating the effectiveness of contemporary surgical procedures in ameliorating the symptoms and disability of patients with lymphedema and reducing the risk of future episodes of cellulitis, with outcomes of surgery significantly better than with conservative therapy alone. In this article, we review the current data surrounding these initiatives.
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Affiliation(s)
| | - Nicole L Stout
- Department of Hematology Oncology, West Virginia University Cancer Institute, Morgantown, WV
| | - Mark V Schaverien
- Department of Plastic Surgery, The University of Texas MD Anderson Cancer Center, Houston, TX
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Phan R, Seifman MA, Dhillon R, Lim P, Hunter-Smith DJ, Rozen WM. Use of submental and submandibular free vascularized lymph node transfer for treatment of scrotal lymphedema: Report of two cases. Microsurgery 2020; 40:808-813. [PMID: 32985738 DOI: 10.1002/micr.30651] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/09/2020] [Revised: 08/02/2020] [Accepted: 08/28/2020] [Indexed: 02/05/2023]
Abstract
Genital lymphedema is a rare condition in males that can lead to difficulty in voiding, sexual function, hygiene, and mobility. Only several methods of treatment have been developed and studied, primarily focusing on restoring patency of diseased lymph channels or resection of affected tissue. We are the first to describe the surgical technique and our experience of using free submental and submandibular arterio-venous vascularized lymph node transfer specifically for the treatment of scrotal edema. We report on two patients who have undergone selective neck dissection of submental and submandibular lymph nodes based off the facial artery and vein. These vascularized lymph nodes were then transferred to the groin, with anastomosis to the deep inferior epigastric perforator artery and vein. The first patient, a 63 year old had initial pretreatment measurement of the anal verge to base of penis was 18 cm in length, and maximum circumference of scrotum 27 cm for the first patient, and 31-42 cm, respectively, for the second patient, a 66 year old. At 9-month review for the first patient and 6-month review for the second patient, both donor and recipient site wounds had healed. The anal verge to base of penis length had decreased to 16 cm, while maximum circumference of scrotum had decreased to 23 cm, and 25-38 cm, respectively, for the second patient. We have had good success with reducing the burden on patients using this novel technique, and hence it should be considered as a viable treatment methodology in appropriately selected patients.
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Affiliation(s)
- Robert Phan
- Peninsula Clinical School, Central Clinical School, Faculty of Medicine, Monash University, Frankston, Victoria, Australia
| | - Marc A Seifman
- Peninsula Clinical School, Central Clinical School, Faculty of Medicine, Monash University, Frankston, Victoria, Australia
| | - Raminder Dhillon
- Peninsula Clinical School, Central Clinical School, Faculty of Medicine, Monash University, Frankston, Victoria, Australia
| | - Pelicia Lim
- Peninsula Clinical School, Central Clinical School, Faculty of Medicine, Monash University, Frankston, Victoria, Australia
| | - David J Hunter-Smith
- Peninsula Clinical School, Central Clinical School, Faculty of Medicine, Monash University, Frankston, Victoria, Australia
| | - Warren M Rozen
- Peninsula Clinical School, Central Clinical School, Faculty of Medicine, Monash University, Frankston, Victoria, Australia
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Ramachandran S, Chew KY, Tan BK, Kuo YR. Current operative management and therapeutic algorithm of lymphedema in the lower extremities. Asian J Surg 2020; 44:46-53. [PMID: 32950353 DOI: 10.1016/j.asjsur.2020.08.010] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/31/2020] [Revised: 08/16/2020] [Accepted: 08/19/2020] [Indexed: 10/23/2022] Open
Abstract
Lymphedema is defined as the abnormal accumulation of interstitial fluid in subcutaneous tissues resulting from cancer, cancer treatment (surgery and/or radiotherapy), infection, inflammatory disorders, obesity, and hereditary syndromes. Surgical management of lymphedema can be broadly classified into two categories, reductive surgical techniques such as direct excision, suction assisted protein lipectomy (SAPL) or radical reduction with perforator preservation (RRPP); and physiological surgical procedures such as lymphaticovenous anastomosis (LVA) and vascularised lymph node transfer (VLNT). These techniques and their various combinations were evaluated. The results revealed patients with reversible lymphedema (ISL stage I, mild severity) benefit most from physiological procedures (LVA or VLNT) which can reduce the chance of disease progression to the chronic, solid phase. Reductive techniques such as SAPL, RPPP, or direct excision procedures should be reserved for patients with advanced - severe lymphedema (ISL stages II and especially stage III) as the surgical treatment of choice. In this study, current literature on the surgical treatment of lower extremity lymphedema is reviewed and discussed in conjunction with authors' clinical experiences. An algorithm is presented, based on clinical evidence and experience which aims to provide a structured approach to managing lower limb lymphedema.
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Affiliation(s)
- Savitha Ramachandran
- Department of Plastic and Reconstructive Surgery, Singapore General Hospital, Singapore
| | - Khong-Yik Chew
- Department of Plastic and Reconstructive Surgery, Singapore General Hospital, Singapore
| | - Bien-Keem Tan
- Department of Plastic and Reconstructive Surgery, Singapore General Hospital, Singapore
| | - Yur-Ren Kuo
- Division of Plastic and Reconstructive Surgery, Department of Surgery, Kaohsiung Medical University Hospital, Kaohsiung, Taiwan; Faculty of Medicine, College of Medicine, Kaohsiung Medical University, Kaohsiung, Taiwan; Department of Biological Sciences, National Sun Yat-sen University, Kaohsiung, Taiwan; SingHealth Duke-NUS Musculoskeletal Sciences Academic Clinical Programme, Singapore.
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Hartiala P, Suominen S, Suominen E, Kaartinen I, Kiiski J, Viitanen T, Alitalo K, Saarikko AM. Phase 1 LymfactinⓇ Study: Short-term Safety of Combined Adenoviral VEGF-C and Lymph Node Transfer Treatment for Upper Extremity Lymphedema. J Plast Reconstr Aesthet Surg 2020; 73:1612-1621. [DOI: 10.1016/j.bjps.2020.05.009] [Citation(s) in RCA: 22] [Impact Index Per Article: 5.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/17/2019] [Revised: 04/01/2020] [Accepted: 05/09/2020] [Indexed: 11/24/2022]
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Yabuki Y, Maegawa J, Shibukawa N, Kagimoto S, Kitayama S, Matsubara S, Mikami T. A Novel Approach to Subcutaneous Collecting Lymph Ducts Using a Small Diameter Wire in Animal Experiments and Clinical Trials. Lymphat Res Biol 2020; 19:73-79. [PMID: 32721266 DOI: 10.1089/lrb.2019.0047] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/13/2022] Open
Abstract
Background: While performing microsurgery, including lymphaticovenous anastomosis (LVA) for chronic limb lymphedema, it is a common procedure to identify the subcutaneous collecting lymph ducts with near-infrared fluorescence lymphangiography (NIR) using indocyanine green. However, due to limitations such as minimum observable depth, only a few lymphatic ducts can be identified with this procedure. Hence, we developed a new smaller-diameter "lymphatic wire" (LW) that could be inserted directly into lymphatic collecting ducts of the limbs, enabling accurate identification and localization. Methods and Results: First, used the LW on the hind limbs of 6 swine, and 36 porcine lymphatic collecting ducts were identified, the outer diameter of which varied from 0.3-0.7 mm (mean 0.41 ± 0.11 mm). We could insert the LW after creating a side opening in 30 of these ducts. We encountered no difficulties during the procedure. In the pathological examination, adverse events such as valve dysfunction and perforation were not identified. Based on the results, a clinical evaluation of the LW was performed in two patients with lower extremity lymphedema, and the LW helped us identify lymphatic ducts in the subcutaneous layer, even at the sites where the NIR had proved ineffective. Conclusion: Based on our results, we suggest that the procedure for identifying lymphatic vessels using the newly developed LW is a useful technique that can be utilized before performing a LVA for lymphedema. However, further clinical study is required to develop this device and technique, for wider clinical application in the future.
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Affiliation(s)
- Yuichiro Yabuki
- Department of Plastic and Reconstructive Surgery, Yokohama City University School of Medicine, Yokohama, Kanagawa, Japan
| | - Jiro Maegawa
- Department of Plastic and Reconstructive Surgery, Yokohama City University School of Medicine, Yokohama, Kanagawa, Japan
| | - Naohiko Shibukawa
- Department of Plastic and Reconstructive Surgery, Yokohama City University School of Medicine, Yokohama, Kanagawa, Japan
| | - Shintaro Kagimoto
- Department of Plastic and Reconstructive Surgery, Yokohama City University School of Medicine, Yokohama, Kanagawa, Japan
| | - Shinya Kitayama
- Department of Plastic and Reconstructive Surgery, Yokohama City University School of Medicine, Yokohama, Kanagawa, Japan
| | - Shinobu Matsubara
- Department of Plastic and Reconstructive Surgery, Yokohama City University School of Medicine, Yokohama, Kanagawa, Japan
| | - Taro Mikami
- Department of Plastic and Reconstructive Surgery, Yokohama City University School of Medicine, Yokohama, Kanagawa, Japan
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Surgical Approaches to the Prevention and Management of Breast Cancer–Related Lymphedema. CURRENT BREAST CANCER REPORTS 2020. [DOI: 10.1007/s12609-020-00372-1] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/19/2023]
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Combining vascularized lymph node transfer with autologous breast reconstruction: A Surveillance, Epidemiology and End Results (SEER) Database cost-utility analysis. J Plast Reconstr Aesthet Surg 2020; 73:1879-1888. [PMID: 32536463 DOI: 10.1016/j.bjps.2020.05.027] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/20/2019] [Revised: 04/07/2020] [Accepted: 05/09/2020] [Indexed: 11/23/2022]
Abstract
BACKGROUND The cost effectiveness of combining vascularized lymph node transfer (VLNT) with autologous breast reconstruction has not been established. Herein we describe the use of Markov modeling to evaluate the cost utility of VLNT with delayed autologous breast reconstruction for patients with breast cancer related lymphedema (BCRL). METHODS We conducted a cost effectiveness analysis using a Markov model with microsimulation. The characteristics and associated life expectancy of the hypothetical patients were derived from the Surveillance, Epidemiology, and End Results database. Costs of were derived from the publicly available sources and health economics literature. The utilities were based on the best available literature. The relative effectiveness of VLNT was derived from a meta-analysis of the literature. A specific strategy is considered attractive if the estimate of incremental cost effectiveness ratio (ICER) is less than the amount decision makers are willing to pay for an additional quality-adjusted life-year (QALY) gain. A baseline willingness to pay of $50,000 USD per additional QALY was used for analysis. RESULTS The base case situation demonstrated an overall ICER of $13898.76/QALY for adding VLNT to delayed autologous abdominally based breast reconstruction in the situation where lymphedema is already present, which suggests it is cost-effective at the chosen willingness to pay. DISCUSSION This cost-utility simulation demonstrates that it is cost effective to combine delayed breast reconstruction with VLNT in patients with existing lymphedema. This could have implications for the application of the evolving technique of VLNT in the treatment of different subpopulations of breast cancer patients, and future clinical research.
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Abstract
Lymphedema is a chronic, progressive disease caused by primary or secondary reasons. It is currently uncurable and conservative compression therapy is generally applied. Lymphovenous anastomosis and vascularized lymph node transfer (VLNT) are two main surgical treatment that are used in addition to conservative therapy. Lymphovenous anastomosis involves the anastomosing remaining functional lymphatic vessels to vein. When the lymphatic vessels are greatly damaged and in no case can they be used for anastomosis, VLNT provide the affected area with lymph nodes from elsewhere to restore the drainage function. During all these procedures, a clear image to identify related lymphatic structures and venous vessels can be greatly useful for preoperative planning, intraoperative navigation, and postoperative evaluation. Lymphoscintigraphy used to be the gold standard in evaluating lymphedema and mapping lymphatic systems. But due to the downside of radiation, invasive operation and complication, other modalities are gaining attention. In this article, we reviewed the application of Indocyanine green (ICG) lymphography, ultrasound, magnetic resonance lymphography (MRL), and single-photon emission computed tomography-computed tomography (SPECT-CT) in the field of surgical therapy in lymphedema.
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Affiliation(s)
- Xingyi Du
- Plastic Surgery Hospital (Institute), Chinese Academy of Medical Sciences, Peking Union Medical College, Beijing 100043, China
| | - Chunjun Liu
- Plastic Surgery Hospital (Institute), Chinese Academy of Medical Sciences, Peking Union Medical College, Beijing 100043, China
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Abu-Rustum NR, Angioli R, Bailey AE, Broach V, Buda A, Coriddi MR, Dayan JH, Frumovitz M, Kim YM, Kimmig R, Leitao MM, Muallem MZ, McKittrick M, Mehrara B, Montera R, Moukarzel LA, Naik R, Pedra Nobre S, Plante M, Plotti F, Zivanovic O. IGCS Intraoperative Technology Taskforce. Update on near infrared imaging technology: beyond white light and the naked eye, indocyanine green and near infrared technology in the treatment of gynecologic cancers. Int J Gynecol Cancer 2020; 30:670-683. [PMID: 32234846 DOI: 10.1136/ijgc-2019-001127] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/03/2019] [Revised: 01/29/2020] [Accepted: 02/04/2020] [Indexed: 12/11/2022] Open
Affiliation(s)
- Nadeem R Abu-Rustum
- Department of Surgery, Memorial Sloan-Kettering Cancer Center, New York, New York, USA
| | | | - Arthur E Bailey
- Research and Development, Stryker Endoscopy, San Jose, California, USA
| | - Vance Broach
- Department of Surgery, Memorial Sloan-Kettering Cancer Center, New York, New York, USA
| | - Alessandro Buda
- Department of Obstetrics and Gynecology, Azienda Ospedaliera San Gerardo, Monza, Italy
| | - Michelle R Coriddi
- Department of Surgery, Memorial Sloan-Kettering Cancer Center, New York, New York, USA
| | - Joseph H Dayan
- Department of Surgery, Memorial Sloan-Kettering Cancer Center, New York, New York, USA
| | - Michael Frumovitz
- Gynecologic Oncology, University of Texas MD Anderson Cancer Center, Houston, Texas, USA
| | - Yong Man Kim
- Obstetrics and Gynecology, Asan Medical Center, University of Ulsan College of Medicine, Seoul, Republic of Korea
| | - Rainer Kimmig
- Gynecology and Obstetrics, University Hospital of Duisburg-Essen, Essen, Germany
| | - Mario M Leitao
- Department of Surgery, Memorial Sloan-Kettering Cancer Center, New York, New York, USA
| | - Mustafa Zelal Muallem
- Department of Gynecology with Center for Oncological Surgery, Charité, Universitätsmedizin Berlin, corporate member of Freie Universität Berlin, Humboldt-Universität zu Berlin, and Berlin Institute of Health, Berlin, Virchow Campus Clinic, Charité Medical University, Berlin, Germany
| | - Matt McKittrick
- Research and Development, Stryker Endoscopy, San Jose, California, USA
| | - Babak Mehrara
- Department of Surgery, Memorial Sloan-Kettering Cancer Center, New York, New York, USA
| | - Roberto Montera
- Universita Campus Bio-Medico di Roma Facolta di Medicina e Chirurgia, Roma, Lazio, Italy
| | - Lea A Moukarzel
- Gynecology Service, Department of Surgery, Memorial Sloan-Kettering Cancer Center, New York, New York, USA
| | - Raj Naik
- Northern Gynaecological Oncology Centre, Queen Elizabeth Hospital, Gateshead, UK
| | - Silvana Pedra Nobre
- Department of Surgery, Memorial Sloan-Kettering Cancer Center, New York, New York, USA
| | - Marie Plante
- Obstetrics and Gynecology, Centre Hospitalier Universitaire de Quebec, Quebec, Quebec, Canada
| | - Francesco Plotti
- Universita Campus Bio-Medico di Roma Facolta di Medicina e Chirurgia, Roma, Lazio, Italy
| | - Oliver Zivanovic
- Department of Surgery, Memorial Sloan-Kettering Cancer Center, New York, New York, USA
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Schaverien MV, Baumann DP, Selber JC, Chang EI, Hanasono MM, Chu C, Hanson SE, Butler CE. Building a Multidisciplinary Comprehensive Academic Lymphedema Program. PLASTIC AND RECONSTRUCTIVE SURGERY-GLOBAL OPEN 2020; 8:e2670. [PMID: 32537334 PMCID: PMC7253282 DOI: 10.1097/gox.0000000000002670] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/01/2019] [Accepted: 01/06/2020] [Indexed: 12/29/2022]
Abstract
Lymphedema is a debilitating clinical condition predominantly affecting survivors of cancer. It adversely affects patients' quality of life and results in substantial cost burdens to both patients and the healthcare system. Specialist lymphedema care is optimally provided within integrated clinical programs that align the necessary specialties to provide patient-focused, multidisciplinary, structured, and coordinated care. This article examines our experience building a specialist lymphedema academic program. METHODS We describe the critical components necessary for constructing a multidisciplinary comprehensive academic lymphedema program. Furthermore, lessons learned from our experience building a successful lymphedema program are discussed. RESULTS Building a comprehensive academic lymphedema program requires institutional support and engagement of stakeholders to establish the necessary infrastructure for comprehensive patient care. This includes the infrastructure for outpatient clinical assessment, diagnostic investigations, radiological imaging, collection of outcomes metrics, non-surgical treatment delivered by lymphedema-specialist therapists, surgical procedures using specialized equipment, and integration of an outpatient framework for comprehensive patient evaluation during follow-up at standardized time intervals. CONCLUSIONS This article examines our experience building a multidisciplinary comprehensive academic lymphedema program and provides a structured roadmap to benefit others that are embarking on this mission.
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Affiliation(s)
- Mark V. Schaverien
- Division of Surgery, Department of Plastic Surgery, The University of Texas MD Anderson Cancer Center, Houston, Tex
| | - Donald P. Baumann
- Division of Surgery, Department of Plastic Surgery, The University of Texas MD Anderson Cancer Center, Houston, Tex
| | - Jesse C. Selber
- Division of Surgery, Department of Plastic Surgery, The University of Texas MD Anderson Cancer Center, Houston, Tex
| | - Edward I. Chang
- Division of Surgery, Department of Plastic Surgery, The University of Texas MD Anderson Cancer Center, Houston, Tex
| | - Matthew M. Hanasono
- Division of Surgery, Department of Plastic Surgery, The University of Texas MD Anderson Cancer Center, Houston, Tex
| | - Carrie Chu
- Division of Surgery, Department of Plastic Surgery, The University of Texas MD Anderson Cancer Center, Houston, Tex
| | - Summer E. Hanson
- Division of Surgery, Department of Plastic Surgery, The University of Texas MD Anderson Cancer Center, Houston, Tex
| | - Charles E. Butler
- Division of Surgery, Department of Plastic Surgery, The University of Texas MD Anderson Cancer Center, Houston, Tex
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Ciudad P, Manrique OJ, Bustos SS, Coca JJP, Chang C, Shih P, Nicoli F, Lo Torto F, Agko M, Huang TC, Maruccia M, Chen H. Comparisons in long‐term clinical outcomes among patients with upper or lower extremity lymphedema treated with diverse vascularized lymph node transfer. Microsurgery 2020; 40:130-136. [DOI: 10.1002/micr.30508] [Citation(s) in RCA: 21] [Impact Index Per Article: 5.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/07/2019] [Revised: 08/08/2019] [Accepted: 08/16/2019] [Indexed: 11/09/2022]
Affiliation(s)
- Pedro Ciudad
- Department of Plastic, Reconstructive and Burn SurgeryArzobispo Loayza National Hospital Lima Peru
- Department of Plastic and Reconstructive SurgeryChina Medical University Taichung Taiwan
| | - Oscar J. Manrique
- Department of Plastic and Reconstructive SurgeryMayo Clinic Rochester Minnesota
| | - Samyd S. Bustos
- Department of Plastic and Reconstructive SurgeryMayo Clinic Rochester Minnesota
| | - John J. P. Coca
- Department of Plastic, Reconstructive and Burn SurgeryArzobispo Loayza National Hospital Lima Peru
| | - Chang‐Cheng Chang
- Department of Plastic and Reconstructive SurgeryChina Medical University Taichung Taiwan
| | - Pin‐Keng Shih
- Department of Plastic and Reconstructive SurgeryChina Medical University Taichung Taiwan
| | - Fabio Nicoli
- Department of Plastic and Reconstructive SurgeryUniversity of Rome “Tor Vergata” Rome Italy
| | - Federico Lo Torto
- Sapienza Università di Roma, Policlinico Umberto I, Department of Surgery “P. Valdoni”Unit of Plastic Reconstructive and Aesthetic Surgery Rome Italy
| | - Mouchammed Agko
- Section of Plastic Surgery, Medical College of GeorgiaAugusta University Augusta Georgia
| | - Tony C.‐T. Huang
- Department of Plastic and Reconstructive SurgeryMayo Clinic Rochester Minnesota
| | - Michele Maruccia
- Division of Plastic and Reconstructive Surgery, Department of Emergency and Organ TransplantationUniversity of Bari Bari Italy
| | - Hung‐Chi Chen
- Department of Plastic and Reconstructive SurgeryChina Medical University Taichung Taiwan
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Dessources K, Aviki E, Leitao MM. Lower extremity lymphedema in patients with gynecologic malignancies. Int J Gynecol Cancer 2020; 30:252-260. [PMID: 31915136 PMCID: PMC7425841 DOI: 10.1136/ijgc-2019-001032] [Citation(s) in RCA: 44] [Impact Index Per Article: 11.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/23/2019] [Revised: 11/21/2019] [Accepted: 11/27/2019] [Indexed: 02/06/2023] Open
Abstract
Lower extremity lymphedema is a chronic, often irreversible condition that affects many patients treated for gynecologic malignancies, with published rates as high as 70% in select populations. It has consistently been shown to affect multiple quality of life metrics. This review focuses on the pathophysiology, incidence, trends, and risk factors associated with lower extremity lymphedema secondary to the treatment of cervical, endometrial, ovarian, and vulvar cancers in the era of sentinel lymph node mapping. We review traditional and contemporary approaches to diagnosis and staging, and discuss new technologies and imaging modalities. Finally, we review the data-based treatment of lower extremity lymphedema and discuss experimental treatments currently being developed. This review highlights the need for more prospective studies and objective metrics, so that we may better evaluate and serve these patients.
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Affiliation(s)
- Kimberly Dessources
- Department of Surgery, Memorial Sloan Kettering Cancer Center, New York City, New York, USA
| | - Emeline Aviki
- Department of Surgery, Memorial Sloan Kettering Cancer Center, New York City, New York, USA
| | - Mario M Leitao
- Department of Surgery, Memorial Sloan Kettering Cancer Center, New York City, New York, USA
- Weill Cornell Medical College, New York City, New York, USA
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Ngo QD, Munot S, Mackie H, Czerniec S, Koelmeyer LA, Lam T, Heydon-White A, Suami H, Boyages J. Vascularized Lymph Node Transfer for Patients with Breast Cancer-Related Lymphedema Can Potentially Reduce the Burden of Ongoing Conservative Management. Lymphat Res Biol 2020; 18:357-364. [PMID: 31944882 DOI: 10.1089/lrb.2019.0048] [Citation(s) in RCA: 9] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/12/2022] Open
Abstract
Background: Vascularized lymph node transfer (VLNT) microsurgery is conducted in selected specialist lymphatic programs as a surgical treatment option for breast cancer-related lymphedema (BCRL) with variation in treatment outcomes. Methods and Results: Ten patients with BCRL underwent VLNT from 2012 to 2015. Donor sites were the inguinal (n = 6) or supraclavicular fossa/neck (n = 4) regions and recipient sites were the axilla (n = 6) or elbow regions (n = 4). Outcomes included changes in limb volume and extracellular fluid ratios, postoperative garment use, number of cellulitis episodes, and self-reported symptom improvement. At a mean follow-up of 46 months from surgery (range: 28-66 months), the excess volume in the affected arm had reduced (n = 4) or remained stable (n = 1) for 5 of 10 patients (50%) (mean change: -106.4 mL, range: -515.5 to +69.6 mL). Four of these five patients had also reduced (n = 3) or discontinued (n = 1) wearing compression garments and three reported a reduction in episodes of cellulitis. The remaining five patients had an increase of over 100 mL in postoperative excess volume (mean change: 295.8 mL, range: 142.1-382.8 mL). Three of these five patients reported noncompliance with compression garments. Despite the increase in limb volume, some patients reported softness in swelling (n = 3) and better response to conservative treatment (n = 1). Conclusion: Our results warrant continuation of VLNT as a surgical treatment option for patients with BCRL and show that the burden of conservative management such as wearing garments can be reduced over time for some patients. Longer term follow-up with standardized measures across all centers is required to further investigate VLNT.
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Affiliation(s)
- Quan D Ngo
- Australian Lymphoedema Education Research and Treatment (ALERT), Macquarie University Faculty of Medicine and Health Sciences, Sydney, Australia
| | - Sonali Munot
- Australian Lymphoedema Education Research and Treatment (ALERT), Macquarie University Faculty of Medicine and Health Sciences, Sydney, Australia
| | - Helen Mackie
- Australian Lymphoedema Education Research and Treatment (ALERT), Macquarie University Faculty of Medicine and Health Sciences, Sydney, Australia.,Mt. Wilga Rehabilitation Hospital, Hornsby, Australia
| | - Sharon Czerniec
- Australian Lymphoedema Education Research and Treatment (ALERT), Macquarie University Faculty of Medicine and Health Sciences, Sydney, Australia
| | - Louise A Koelmeyer
- Australian Lymphoedema Education Research and Treatment (ALERT), Macquarie University Faculty of Medicine and Health Sciences, Sydney, Australia
| | - Thomas Lam
- Australian Lymphoedema Education Research and Treatment (ALERT), Macquarie University Faculty of Medicine and Health Sciences, Sydney, Australia
| | - Asha Heydon-White
- Australian Lymphoedema Education Research and Treatment (ALERT), Macquarie University Faculty of Medicine and Health Sciences, Sydney, Australia
| | - Hiroo Suami
- Australian Lymphoedema Education Research and Treatment (ALERT), Macquarie University Faculty of Medicine and Health Sciences, Sydney, Australia
| | - John Boyages
- Australian Lymphoedema Education Research and Treatment (ALERT), Macquarie University Faculty of Medicine and Health Sciences, Sydney, Australia
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Perrault DP, Lee GK, Bouz A, Sung C, Yu R, Pourmoussa AJ, Park SY, Kim GH, Jiao W, Patel KM, Hong YK, Wong AK. Ischemia and reperfusion injury in superficial inferior epigastric artery-based vascularized lymph node flaps. PLoS One 2020; 15:e0227599. [PMID: 31923917 PMCID: PMC6954070 DOI: 10.1371/journal.pone.0227599] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/14/2019] [Accepted: 12/23/2019] [Indexed: 01/17/2023] Open
Abstract
Vascularized lymph node transfer (VLNT) is a promising treatment modality for lymphedema; however, how lymphatic tissue responds to ischemia has not been well defined. This study investigates the cellular changes that occur in lymph nodes in response to ischemia and reperfusion. Lymph node containing superficial epigastric artery-based groin flaps were isolated in Prox-1 EGFP rats which permits real time identification of lymphatic tissue by green fluorescence during flap dissection. Flaps were subjected to ischemia for either 1, 2, 4, or 8 hours, by temporarily occluding the vascular pedicle. Flaps were harvested after 0 hours, 24 hours, or 5 days of reperfusion. Using EGFP signal guidance, lymph nodes were isolated from the flaps and tissue morphology, cell apoptosis, and inflammatory cytokines were quantified and analyzed via histology, immunostaining, and rtPCR. There was a significant increase in collagen deposition and tissue fibrosis in lymph nodes after 4 and 8 hours of ischemia compared to 1 and 2 hours, as assessed by picrosirius red staining. Cell apoptosis significantly increased after 4 hours of ischemia in all harvest times. In tissue subject to 4 hours of ischemia, longer reperfusion periods were associated with increased rates of CD3+ and CD45+ cell apoptosis. rtPCR analysis demonstrated significantly increased expression of CXCL1/GRO-α with 2 hours of ischemia and increased PECAM-1 and TNF-α expression with 1 hour of ischemia. Significant cell death and changes in tissue morphology do not occur until after 4 hours of ischemia; however, analysis of inflammatory biomarkers suggests that ischemia reperfusion injury can occur with as little as 2 hours of ischemia.
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Affiliation(s)
- David P. Perrault
- Division of Plastic and Reconstructive Surgery and Department of Surgery, Keck School of Medicine of USC, Los Angeles, California, United States of America
| | - Gene K. Lee
- Division of Plastic and Reconstructive Surgery and Department of Surgery, Keck School of Medicine of USC, Los Angeles, California, United States of America
| | - Antoun Bouz
- Division of Plastic and Reconstructive Surgery and Department of Surgery, Keck School of Medicine of USC, Los Angeles, California, United States of America
| | - Cynthia Sung
- Division of Plastic and Reconstructive Surgery and Department of Surgery, Keck School of Medicine of USC, Los Angeles, California, United States of America
| | - Roy Yu
- Division of Plastic and Reconstructive Surgery and Department of Surgery, Keck School of Medicine of USC, Los Angeles, California, United States of America
| | - Austin J. Pourmoussa
- Division of Plastic and Reconstructive Surgery and Department of Surgery, Keck School of Medicine of USC, Los Angeles, California, United States of America
| | - Sun Young Park
- Division of Plastic and Reconstructive Surgery and Department of Surgery, Keck School of Medicine of USC, Los Angeles, California, United States of America
| | - Gene H. Kim
- Departments of Pathology and Dermatology, Keck School of Medicine of USC, Los Angeles, California, United States of America
| | - Wan Jiao
- Division of Plastic and Reconstructive Surgery and Department of Surgery, Keck School of Medicine of USC, Los Angeles, California, United States of America
| | - Ketan M. Patel
- Division of Plastic and Reconstructive Surgery and Department of Surgery, Keck School of Medicine of USC, Los Angeles, California, United States of America
| | - Young-Kwon Hong
- Division of Plastic and Reconstructive Surgery and Department of Surgery, Keck School of Medicine of USC, Los Angeles, California, United States of America
| | - Alex K. Wong
- Division of Plastic and Reconstructive Surgery and Department of Surgery, Keck School of Medicine of USC, Los Angeles, California, United States of America
- * E-mail:
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Piyaman P, Patchanee K, Oonjitti T, Ratanalekha R, Yodrabum N. Surgical anatomy of vascularized submental lymph node flap: Sharing arterial supply of lymph nodes with the skin and topographic relationship with anterior belly of digastric muscle. J Surg Oncol 2019; 121:144-152. [PMID: 31638275 DOI: 10.1002/jso.25734] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/06/2019] [Accepted: 09/29/2019] [Indexed: 11/06/2022]
Abstract
BACKGROUND AND OBJECTIVES Development of vascularized submental lymph node (VSLN) flap has encountered dilemmas; (a) whether to include skin paddle, (b) how to reduce the harvest area while gaining most lymph nodes. To answer, these structures were studied; submental perforator, lymph nodes in neck-level I and anterior belly of digastric muscle (ABDM). METHODS Forty VSLN flaps were harvested from 23 cadavers. The lymph nodes and arterial supply were studied macro- and microscopically. The nodes were classified by arterial supplies, location along the longitudinal axis and relationship with ABDM. RESULTS VSLN flap had 4.4 lymph nodes by average (range 1-8) predominantly located in the posterior three-quarter of the flap. Half of the submental perforators were originated deep to ABDM. they circumvent the muscle, supplied much of the nodes in neck sublevel Ia before reaching the skin. While sublevel Ib located the most surgically accessible submental nodes. Most of their arterial supply was branched from submental perforator lateral to ABDM, not directly from the submental artery. CONCLUSION The flap could be reduced to the posterior three-quarter of the original area. Skin paddle should be included to serve as an indirect lymph node monitor. If Ia lymph nodes are to be included, ABDM should be sacrified.
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Affiliation(s)
- Parkpoom Piyaman
- Department of Anatomy, Faculty of Medicine Siriraj Hospital, Mahidol University, Bangkok, Thailand
| | - Krittayot Patchanee
- Department of Anatomy, Faculty of Medicine Siriraj Hospital, Mahidol University, Bangkok, Thailand
| | - Thanaphorn Oonjitti
- Department of Anatomy, Faculty of Medicine Siriraj Hospital, Mahidol University, Bangkok, Thailand
| | - Rosarin Ratanalekha
- Department of Anatomy, Faculty of Medicine Siriraj Hospital, Mahidol University, Bangkok, Thailand
| | - Nutcha Yodrabum
- Division of Plastic and Reconstructive Surgery, Department of Surgery, Faculty of Medicine Siriraj Hospital, Mahidol University, Bangkok, Thailand
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Watanabe Y, Koshiyama M, Seki K, Nakagawa M, Ikuta E, Oowaki M, Sakamoto SI. Development and Themes of Diagnostic and Treatment Procedures for Secondary Leg Lymphedema in Patients with Gynecologic Cancers. Healthcare (Basel) 2019; 7:healthcare7030101. [PMID: 31461980 PMCID: PMC6787693 DOI: 10.3390/healthcare7030101] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/02/2019] [Revised: 08/22/2019] [Accepted: 08/23/2019] [Indexed: 12/23/2022] Open
Abstract
Patients with leg lymphedema sometimes suffer under constraint feeling leg heaviness and pain, requiring lifelong treatment and psychosocial support after surgeries or radiation therapies for gynecologic cancers. We herein review the current issues (a review of the relevant literature) associated with recently developed diagnostic procedures and treatments for secondary leg lymphedema, and discuss how to better manage leg lymphedema. Among the currently available diagnostic tools, indocyanine green lymphography (ICG-LG) can detect dermal lymph backflow in asymptomatic legs at stage 0. Therefore, ICG-LG is considered the most sensitive and useful tool. At symptomatic stage ≥1, ultrasonography, magnetic resonance imaging-lymphography/computed tomography-lymphography (MRI-LG/CT-LG) and lymphosintiography are also useful. For the treatment of lymphedema, complex decongestive physiotherapy (CDP) including manual lymphatic drainage (MLD), compression therapy, exercise and skin care, is generally performed. In recent years, CDP has often required effective multi-layer lymph edema bandaging (MLLB) or advanced pneumatic compression devices (APCDs). If CDP is not effective, microsurgical procedures can be performed. At stage 1–2, when lymphaticovenous anastomosis (LVA) is performed, lymphaticovenous side-to-side anastomosis (LVSEA) is principally recommended. At stage 2–3, vascularized lymph node transfer (VLNT) is useful. These ingenious procedures can help maintain the patient’s quality of life (QOL) but unfortunately cannot cure lymphedema. The most important concern is the prevention of secondary lymphedema, which is achieved through approaches such as skin care, weight control, gentle limb exercises, avoiding sun and heat, and elevation of the affected leg.
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Affiliation(s)
- Yumiko Watanabe
- Department of Women's Health, Graduate School of Human Nursing, The University of Shiga Prefecture, Shiga 522-8533, Japan
| | - Masafumi Koshiyama
- Department of Women's Health, Graduate School of Human Nursing, The University of Shiga Prefecture, Shiga 522-8533, Japan.
| | - Keiko Seki
- School of Human Nursing, The University of Shiga Prefecture, Shiga 522-8533, Japan
| | - Miwa Nakagawa
- School of Human Nursing, The University of Shiga Prefecture, Shiga 522-8533, Japan
| | - Eri Ikuta
- School of Human Nursing, The University of Shiga Prefecture, Shiga 522-8533, Japan
| | - Makiko Oowaki
- Department of Women's Health, Graduate School of Human Nursing, The University of Shiga Prefecture, Shiga 522-8533, Japan
| | - Shin-Ichi Sakamoto
- School of Engineering, Department of Electronic Systems Engineering, The University of Shiga Prefecture, Shiga 522-8533, Japan
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Proximal ligation after the side-to-end anastomosis recovery technique for lymphaticovenous anastomosis. Arch Plast Surg 2019; 46:344-349. [PMID: 31336423 PMCID: PMC6657183 DOI: 10.5999/aps.2018.01382] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/20/2018] [Accepted: 06/21/2019] [Indexed: 11/29/2022] Open
Abstract
Background Lymphaticovenous anastomosis is an important surgical treatment for lymphedema, with lymphaticovenous side-to-end anastomosis (LVSEA) and lymphaticovenous end-to-end anastomosis being the most frequently performed procedures. However, LVSEA can cause lymphatic flow obstruction because of regurgitation and tension in the anastomosis. In this study, we introduce a novel and simple procedure to overcome this problem. Methods Thirty-five female patients with lower extremity lymphedema who underwent lymphaticovenous anastomosis at our hospital were included in this study. Eighty-five LVSEA procedures were performed, of which 12 resulted in insufficient venous blood flow. For these 12 anastomoses, the proximal lymphatic vessel underwent clipping after the anastomotic procedure and the venous inflow was monitored. Subsequently, the proximal ligation after side-to-end anastomosis recovery (PLASTER) technique, which involves ligating the proximal side of the lymphatic vessel, was applied. A postoperative evaluation was performed using indocyanine green 6 months after surgery. Results Despite the clipping procedure, three of the 12 anastomoses still showed poor venous inflow. Therefore, it was not possible to apply the PLASTER technique in those cases. Among the nine remaining anastomoses in which the PLASTER technique was applied, three (33%) were patent. Conclusions Our findings show that achieving patent anastomosis is challenging when postoperative venous inflow is poor. We achieved good results by performing proximal ligation after LVSEA. Thus, the PLASTER technique is a particularly useful recovery technique when LVSEA does not result in good run-off.
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Koide S, Lin CY, Cheng MH. Delayed primary retention suture for inset of vascularized submental lymph node flap for lower extremity lymphedema. J Surg Oncol 2019; 121:138-143. [PMID: 31276208 DOI: 10.1002/jso.25520] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/05/2019] [Revised: 05/13/2019] [Accepted: 05/13/2019] [Indexed: 11/09/2022]
Abstract
BACKGROUND Vascularized lymph node transfer (VLNT) has become one of the effective surgical treatments for extremity lymphedema. This study was to evaluate the re-exploration and total complication rates of VLNT for lower extremity lymphedema between two different flap inset techniques. METHODS Sixty-nine patients who underwent 74 submental VLNT transfers between 2008 and 2018 were retrospectively studied. Fifty-six flaps were inset using a new delayed primary retention suture (DPRS) technique and other 18 flaps using conventional interrupted sutures as the non-DPRS group. RESULTS The overall flap success rate was 100%. The DPRS group was released at a mean of 1.7 ± 0.7 times and took a mean of 10.3 ± 3.3 days for wound closure. There were no statistical differences in demographics, mean symptom duration, and mean Cheng's Lymphedema Grading between two groups. Mean frequency of cellulitis of 2.5 ± 1.5 times/year in non-DPRS group was significantly greater than 1.4 ± 1.6 times/year in DPRS group (P = .01). The re-exploration and total complication rates were 5.4% and 7.1% in DPRS group, and 27.8% and 33.3% in non-DPRS group, respectively (P = .02 and .02, respectively). CONCLUSIONS The DPRS technique is a safe, simple, and reliable method for insetting the submental VLNT, which statistically decreased the re-exploration and total complication rates.
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Affiliation(s)
- Satomi Koide
- Department of Plastic and Reconstrucitve Surgery, Chang Gung Memorial Hospital, Taipei, Taiwan
| | - Chia-Yu Lin
- Department of Plastic and Reconstrucitve Surgery, Chang Gung Memorial Hospital, Taipei, Taiwan
| | - Ming-Huei Cheng
- Department of Plastic and Reconstrucitve Surgery, Chang Gung Memorial Hospital, Taipei, Taiwan
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Suzuki Y, Sakuma H, Yamazaki S. Comparison of patency rates of lymphaticovenous anastomoses at different sites for lower extremity lymphedema. J Vasc Surg Venous Lymphat Disord 2019; 7:222-227. [DOI: 10.1016/j.jvsv.2018.10.022] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/12/2018] [Accepted: 10/22/2018] [Indexed: 10/27/2022]
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Ishikawa K, Funayama E, Maeda T, Hayashi T, Murao N, Osawa M, Ito R, Furukawa H, Oyama A, Yamamoto Y. Changes in high endothelial venules in lymph nodes after vascularized and nonvascularized lymph node transfer in a murine autograft model. J Surg Oncol 2019; 119:700-707. [PMID: 30636050 DOI: 10.1002/jso.25365] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/05/2018] [Accepted: 12/26/2018] [Indexed: 12/13/2022]
Abstract
BACKGROUND AND OBJECTIVES Vascularized lymph node transfer (LNT) is gaining popularity in the treatment of lymphedema. However, it is unclear whether the vascularization of transferred lymph nodes (LNs) contributes to functional improvement. High endothelial venules (HEVs) are specialized vessels that allow lymphocytes to enter LNs. In this study, we compared the numbers of HEVs and lymphocytes in LNs after vascularized and nonvascularized LNT. METHODS Fifty mice were divided into three groups (group 1, pedicled vascularized LNT; group 2, pedicled nonvascularized LNT; group 3, free nonvascularized LNT). Afferent lymphatic reconnection was confirmed by patent blue staining. The transferred LNs were harvested 4 weeks after surgery. HEVs, B-cells, and T-cells were subjected to immunohistochemical staining and quantified. RESULTS Afferent lymphatic reconnection was observed in 13 of 20 transferred LNs in group 1, 11 of 15 in group 2, and 7 of 15 in group 3. The ratio of dilated/total HEVs in transferred LNs with afferent lymphatic reconnection was significantly higher in group 1 than in groups 2 and 3. No significant differences in numbers of B-cells and T-cells were found in the transferred LNs. CONCLUSIONS We found that more functional HEVs were preserved in cases with successful afferent lymphatic reconnection after vascularized LNT than after nonvascularized LNT.
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Affiliation(s)
- Kosuke Ishikawa
- Department of Plastic and Reconstructive Surgery, Faculty of Medicine and Graduate School of Medicine, Hokkaido University, Sapporo, Japan
| | - Emi Funayama
- Department of Plastic and Reconstructive Surgery, Faculty of Medicine and Graduate School of Medicine, Hokkaido University, Sapporo, Japan
| | - Taku Maeda
- Department of Plastic and Reconstructive Surgery, Faculty of Medicine and Graduate School of Medicine, Hokkaido University, Sapporo, Japan
| | - Toshihiko Hayashi
- Department of Plastic and Reconstructive Surgery, Faculty of Medicine and Graduate School of Medicine, Hokkaido University, Sapporo, Japan
| | - Naoki Murao
- Department of Plastic and Reconstructive Surgery, Faculty of Medicine and Graduate School of Medicine, Hokkaido University, Sapporo, Japan
| | - Masayuki Osawa
- Department of Plastic and Reconstructive Surgery, Faculty of Medicine and Graduate School of Medicine, Hokkaido University, Sapporo, Japan
| | - Riri Ito
- Department of Plastic and Reconstructive Surgery, Faculty of Medicine and Graduate School of Medicine, Hokkaido University, Sapporo, Japan
| | - Hiroshi Furukawa
- Department of Plastic and Reconstructive Surgery, Aichi Medical University, Nagakute, Japan
| | - Akihiko Oyama
- Department of Plastic and Reconstructive Surgery, Fukushima Medical University, Fukushima, Japan
| | - Yuhei Yamamoto
- Department of Plastic and Reconstructive Surgery, Faculty of Medicine and Graduate School of Medicine, Hokkaido University, Sapporo, Japan
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