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Shimbo K, Kawamoto H, Koshima I. Use of Muscle Flaps for Salvage of Groin Wound Infection Following Vascular Surgery: A Systematic Review and Meta-Analysis. Vasc Endovascular Surg 2022; 56:401-407. [PMID: 35050812 DOI: 10.1177/15385744211068342] [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: 11/15/2022]
Abstract
BACKGROUND Groin wound infections in vascular surgery are still a common complication and challenging problem. This systematic review aimed to establish a complete view of patient characteristics and clinical outcomes for infected groin wounds following vascular surgery reconstruction using muscle flaps and to evaluate the differences in outcomes between the sartorius muscle flap (SMF), rectus femoris muscle flap (RFF), and gracilis muscle flap (GMF). METHODS PubMed, Scopus, and Web of Science were systematically searched from inception to April 2021. Random-effects meta-analysis for comorbidities and outcomes and subgroup analyses for outcomes were performed. RESULTS Thirty studies were included in qualitative and quantitative syntheses. Overall pooled data showed the following outcome rates: 4.5% muscle flap necrosis (95% confidence interval [CI], -3.4-12.3%; I2 = 0%), 21.8% overall complications (95% CI, 15.8-27.7%; I2 = 0%), 8.0% limb loss (95% CI, 1.9-14.1%; I2 = 0%), 15.4% graft loss (95% CI, 5.0-25.3%; I2 = 37.9%), and 7.4% 30-day mortality (95% CI, -.9-15.6%; I2 = 0%). The rates of overall complications were 20.3% (95% CI, 12.1-28.2%; I2 = 0%), 23.2% (95% CI, 11.2-34.5%; I2 = 10.2%), and 18.0% (95% CI, -3.537.8%; I2 = 0%) for the SMF, RFF, and GMF, respectively. The rate of limb loss was highest for the GMF (17.2%; 95% CI, -4.237.2%; I2 = 0%). The rate of graft loss for the RFF was the highest (20.7%; 95% CI, .6-39.1%; I2 = 53.9%). The rate of 30-day mortality was the lowest for the SMF (5.3%; 95% CI, -6.1-16.6%; I2 = 0%). CONCLUSIONS The effectiveness and safety of muscle flap reconstruction for infected groin wounds following vascular surgery are clearly positive. This review indicated a tendency for lower complication rates with the SMF than with other muscle flaps.
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Affiliation(s)
- Keisuke Shimbo
- Department of Plastic and Reconstructive Surgery, 37102Hiroshima Prefectural Hospital, Hiroshima, Japan
| | - Haruka Kawamoto
- Department of Plastic and Reconstructive Surgery, 37102Hiroshima Prefectural Hospital, Hiroshima, Japan
| | - Isao Koshima
- Department of Plastic and Reconstructive Surgery, 37102Hiroshima Prefectural Hospital, Hiroshima, Japan.,International Center for Lymphedema, 68272Hiroshima University Hospital, Hiroshima, Japan
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Shimbo K, Kuraoka M, Okuhara Y, Yokota K. Salvage of Prosthetic Vascular Graft Infection in the Distal Thigh Using Free Latissimus Dorsi Musculocutaneous Flap: A Case Report. Ann Vasc Surg 2021; 80:394.e1-394.e5. [PMID: 34780955 DOI: 10.1016/j.avsg.2021.09.038] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/12/2021] [Revised: 07/06/2021] [Accepted: 09/27/2021] [Indexed: 11/01/2022]
Abstract
BACKGROUND Prosthetic vascular graft infection (PVGI) in the distal thigh is a rare wound; thus, little is known about which muscle flaps are the most useful and cause less lower extremity morbidity in such cases. Moreover, very few reliable muscle flaps are available around the distal thigh. CASE REPORT We report the case of a 72-year-old woman suffering from a distal thigh wound with PVGI. The graft was successfully preserved after coverage with a free latissimus dorsi musculocutaneous (LDM) flap. CONCLUSIONS The free LDM flap procedure is more challenging than local muscle flaps; however, a free LDM flap can be a feasible option for a distal thigh wound with PVGI with the advantage of the maintenance of walking capability by preserving the lower-limb muscles.
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Affiliation(s)
- Keisuke Shimbo
- Department of Plastic and Reconstructive Surgery, Hiroshima Prefectural Hospital, Hiroshima, Japan.
| | - Masatsugu Kuraoka
- Department of Cardiovascular Surgery, Hiroshima Prefectural Hospital, Hiroshimha, Japan
| | - Yukako Okuhara
- Department of Plastic and Reconstructive Surgery, Hiroshima Prefectural Hospital, Hiroshima, Japan
| | - Kazunori Yokota
- Department of Plastic and Reconstructive Surgery, Hiroshima University Hospital, Hiroshima, Japan
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Tarola CL, Young-Speirs M, Speirs JW, Iannicello CM. Remote endarterectomy to remove infected Viabahn stent-graft. JOURNAL OF VASCULAR SURGERY CASES INNOVATIONS AND TECHNIQUES 2021; 7:474-477. [PMID: 34278086 PMCID: PMC8267432 DOI: 10.1016/j.jvscit.2021.04.020] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 01/10/2021] [Accepted: 04/26/2021] [Indexed: 12/04/2022]
Abstract
Infection of peripheral arterial vascular grafts and stent-grafts represents a complex surgical scenario, with a number of proposed management strategies. Surgical removal of infected material with adjunctive arterial reconstruction is often required. However, surgical removal is often difficult and complex. This case study demonstrates an infected Viabahn stent-graft between the external iliac artery and the superficial femoral artery, with arterial autolysis of the common femoral artery and proximal superficial femoral artery, in which a hybrid technique combining remote endarterectomy and surgical debridement was used to remove the infected stent-graft.
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Affiliation(s)
- Christopher L. Tarola
- Division of Cardiac Surgery, Department of Surgery, University Hospital, London Health Sciences Center, London, Ontario
| | - Morgan Young-Speirs
- Cumming School of Medicine, University of Calgary, Calgary, Alberta
- Correspondence: Morgan Young-Speirs, Medical Student, Cumming School of Medicine, 310 12th Ave SW, Unit 2008, Calgary, Alberta T2R 1B5, Canada
| | - John W.D. Speirs
- Department of Diagnostic Imaging, Ouellette Campus, Windsor Regional Hospital, Windsor, Ontario, Canada
| | - Carman M. Iannicello
- Division of Vascular Surgery, Department of Surgery, Ouellette Campus, Windsor Regional Hospital, Windsor, Ontario, Canada
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Rasheed H, Diab K, Singh T, Chauhan Y, Haddad P, Zubair MM, Vowels T, Androas E, Rojo M, Auyang P, McFall R, Gomez LF, Mohamed A, Peden E, Rahimi M. Contemporary Review to Reduce Groin Surgical Site Infections in Vascular Surgery. Ann Vasc Surg 2020; 72:578-588. [PMID: 33157243 DOI: 10.1016/j.avsg.2020.09.046] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/16/2020] [Revised: 09/20/2020] [Accepted: 09/22/2020] [Indexed: 12/20/2022]
Abstract
Surgical site infection (SSIs) in lower extremity vascular procedures is a major contributor to patient morbidity and mortality. Despite previous advancements in preoperative and postoperative care, the surgical infection rate in vascular surgery remains high, particularly when groin incisions are involved. However, successfully targeting modifiable risk factors reduces the surgical site infection incidence in vascular surgery patients. We conducted an extensive literature review to evaluate the efficacy of various preventive strategies for groin surgical site infections. We discuss the role of preoperative showers, preoperative and postoperative antibiotics, collagen gentamicin implants, iodine impregnated drapes, types of skin incisions, negative pressure wound therapy, and prophylactic muscle flap transposition in preventing surgical site infection in the groin after vascular surgical procedures.
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Affiliation(s)
- Haroon Rasheed
- Methodist DeBakey Heart and Vascular Center, Houston Methodist Hospital, Houston, TX
| | - Kaled Diab
- Methodist DeBakey Heart and Vascular Center, Houston Methodist Hospital, Houston, TX
| | - Tarundeep Singh
- Methodist DeBakey Heart and Vascular Center, Houston Methodist Hospital, Houston, TX
| | - Yusuf Chauhan
- Methodist DeBakey Heart and Vascular Center, Houston Methodist Hospital, Houston, TX
| | - Paul Haddad
- Methodist DeBakey Heart and Vascular Center, Houston Methodist Hospital, Houston, TX
| | - M Mujeeb Zubair
- Methodist DeBakey Heart and Vascular Center, Houston Methodist Hospital, Houston, TX
| | - Travis Vowels
- Methodist DeBakey Heart and Vascular Center, Houston Methodist Hospital, Houston, TX
| | - Edward Androas
- Methodist DeBakey Heart and Vascular Center, Houston Methodist Hospital, Houston, TX
| | - Manuel Rojo
- Methodist DeBakey Heart and Vascular Center, Houston Methodist Hospital, Houston, TX
| | - Phillip Auyang
- Methodist DeBakey Heart and Vascular Center, Houston Methodist Hospital, Houston, TX
| | - Ross McFall
- Methodist DeBakey Heart and Vascular Center, Houston Methodist Hospital, Houston, TX
| | - Luis Felipe Gomez
- Methodist DeBakey Heart and Vascular Center, Houston Methodist Hospital, Houston, TX
| | - Ahmed Mohamed
- Methodist DeBakey Heart and Vascular Center, Houston Methodist Hospital, Houston, TX
| | - Eric Peden
- Methodist DeBakey Heart and Vascular Center, Houston Methodist Hospital, Houston, TX
| | - Maham Rahimi
- Methodist DeBakey Heart and Vascular Center, Houston Methodist Hospital, Houston, TX.
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Wübbeke LF, Conings JZM, Elshof JW, Scheltinga MR, Daemen JWHC, Jacobs MJ, Mees BM. Outcome of rectus femoris muscle flaps for groin coverage after vascular surgery. J Vasc Surg 2020; 72:1050-1057.e2. [PMID: 32122734 DOI: 10.1016/j.jvs.2019.11.031] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/29/2019] [Accepted: 11/04/2019] [Indexed: 11/17/2022]
Abstract
OBJECTIVE The aim of this retrospective cohort study was to investigate the outcome of rectus femoris muscle flaps (RFFs) for deep groin wound complications in vascular surgery patients and to compare the outcome with a cohort of sartorius muscle flaps (SMFs) because the RFF is a promising alternative technique for groin coverage. METHODS All RFFs and SMFs performed by vascular surgeons in a regional collaboration in The Southern Netherlands were retrospectively reviewed. Primary outcomes were muscle flap survival, overall and secondary graft salvage, and limb salvage. Secondary outcomes were 30-day groin wound complications and mortality, donor site and vascular complications, 1-year amputation-free survival, overall patient survival, impaired knee extensor function, and length of hospital stay. RESULTS A total of 96 RFFs were performed in 88 patients (mean age, 68 years; 67% male) and compared with a cohort of 30 SMFs in 28 patients (mean age, 64 years; 77% male). At a mean follow-up of 29 months and 23 months, respectively, comparable flap survival (94% vs 90%), secondary graft salvage (80% vs 92%), and limb salvage (89% vs 90%) rates were found. The 30-day mortality rates were 12% and 17%, respectively, and the 1-year amputation-free survival was comparable between treatment groups (71% vs 68%). CONCLUSIONS This study presents a large series of RFFs for deep groin wound complications after vascular surgery. We demonstrate that muscle flap coverage using the rectus femoris muscle by vascular surgeons is an effective way to manage complex groin wound infections in a challenging group of patients, achieving similarly good results as the SMF.
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Affiliation(s)
- Lina F Wübbeke
- Department of Vascular Surgery, Maastricht University Medical Center, Maastricht, The Netherlands
| | - Jurek Z M Conings
- Department of Vascular Surgery, Maastricht University Medical Center, Maastricht, The Netherlands
| | | | - Marc R Scheltinga
- Department of Surgery, Maxima Medical Center, Veldhoven, The Netherlands
| | - Jan-Willem H C Daemen
- Department of Vascular Surgery, Maastricht University Medical Center, Maastricht, The Netherlands
| | - Michael J Jacobs
- Department of Vascular Surgery, Maastricht University Medical Center, Maastricht, The Netherlands; European Vascular Center Aachen-Maastricht, Aachen, Germany
| | - Barend M Mees
- Department of Vascular Surgery, Maastricht University Medical Center, Maastricht, The Netherlands; European Vascular Center Aachen-Maastricht, Aachen, Germany.
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Wübbeke LF, Elshof JW, Conings JZM, Scheltinga MR, Daemen JWHC, Mees BME. A systematic review on the use of muscle flaps for deep groin infection following vascular surgery. J Vasc Surg 2019; 71:693-700.e1. [PMID: 31630887 DOI: 10.1016/j.jvs.2019.07.073] [Citation(s) in RCA: 16] [Impact Index Per Article: 3.2] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/05/2019] [Accepted: 07/15/2019] [Indexed: 10/25/2022]
Abstract
OBJECTIVE The aim of this systematic review is to assess potential differences in effectiveness (graft loss and limb loss) between the sartorius muscle flap (SMF) and the rectus femoris muscle flap (RFF) coverage technique for deep groin wound infection following vascular surgery. Our hypothesis was that RFF reconstruction is more effective in groin coverage. METHODS The PubMed, Embase, and Medline databases were systematically searched by two independent researchers for articles reporting effectiveness of both muscle flaps in the treatment of groin infections following vascular surgery. After quality assessment using the Newcastle-Ottawa Scale and Methodological Index for NOn-Randomized studies (MINOR) scores and data extraction, individual results of the included studies were reviewed. Weighted pooled outcome estimates were calculated. RESULTS A total of 17 studies comprising 544 SMF reconstructions and 238 RFF reconstructions were included. The pooled flap survival rate was 100% in both groups, with a pooled amputation rate of 0% and 2%, respectively. In the RFF group, a pooled 30-day mortality rate of 0% was found, compared with 1% in the SMF group. Pooled graft loss rates were 2% in the RFF group and 21% in the SMF group. Only one head-to-head comparison between both muscle flaps was performed, finding no significant differences. CONCLUSIONS Deep groin infection after vascular surgery can be treated with debridement and local muscle flap coverage. In this systematic review, superiority of either muscle flap on amputation or mortality rates was not demonstrated; however, there was a lower rate of vascular graft loss after RFF reconstruction. These conclusions are based on low-quality evidence because of limited data. Local muscle flap reconstruction using both techniques is effective in the treatment of infected groin wounds, achieving good results in a fragile group of patients. Therefore, anatomical and patient characteristics, which were not assessed in this analysis, are critical in the decision-making process on which muscle flap reconstruction is the best treatment option for an individual patient.
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Affiliation(s)
- Lina F Wübbeke
- Department of Vascular Surgery, Maastricht University Medical Center, Maastricht, The Netherlands
| | | | - Jurek Z M Conings
- Department of Vascular Surgery, Maastricht University Medical Center, Maastricht, The Netherlands
| | - Marc R Scheltinga
- Department of Surgery, Maxima Medical Center, Veldhoven, The Netherlands
| | - Jan-Willem H C Daemen
- Department of Vascular Surgery, Maastricht University Medical Center, Maastricht, The Netherlands
| | - Barend M E Mees
- Department of Vascular Surgery, Maastricht University Medical Center, Maastricht, The Netherlands; European Vascular Center Aachen-Maastricht, Maastricht, The Netherlands.
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7
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Ryer EJ, Garvin RP, Kapadia RN, Jorgensen BD, Green JO, Fluck M, Orlova K, Cindric MC, Elmore JR. Outcome of rectus femoris muscle flaps performed by vascular surgeons for the management of complex groin wounds after femoral artery reconstructions. J Vasc Surg 2019; 71:905-911. [PMID: 31471237 DOI: 10.1016/j.jvs.2019.05.052] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/25/2019] [Accepted: 05/18/2019] [Indexed: 11/17/2022]
Abstract
OBJECTIVE Groin wound complications after femoral artery reconstructions are highly morbid and notoriously difficult to treat. Successful techniques include long-term antibiotic therapy, operative débridement, and muscle flap coverage. Historically, more complex muscle flap coverage, such as a rectus femoris muscle flap (RFF), has been performed by plastic and reconstructive surgeons. In this study, the experience of vascular surgeons performing RFF in the management of wound complications after femoral artery reconstructions is reported. METHODS Clinical data between 2012 and 2018 were retrospectively analyzed. Data were summarized, and standard statistical analysis was performed. RESULTS There were 23 patients who underwent 24 RFFs for coverage of complex groin wounds after femoral artery reconstructions. One of the 23 patients underwent bilateral RFFs. In this study cohort, patients had a median age of 67.5 years, and 79% (n = 19) were male. Median body mass index was 28.0 kg/m2, and 38% of patients were classified as obese on the basis of body mass index criteria. A history of tobacco use was present in 88%; however, only 29% were current smokers. Diabetes was present in 38% of patients and chronic kidney disease in 29%. Of the 24 RFFs, 14 (58%) were constructed in patients with reoperative groin surgery resulting in the need for muscle flap coverage. Femoral endarterectomy was the most common index procedure (46%), followed by infrainguinal leg bypass surgery (17%) and aortobifemoral bypass (17%). Grafts used during the original reconstruction included 12 bovine pericardial patches (50%), 6 Dacron grafts (25%), 4 PTFE grafts (17%), and 2 autogenous reconstructions (8%). Microbiology data identified 33% of patients (n = 8) to have gram-positive bacterial infections alone, 21% (n = 5) to have gram-negative infections alone, and 29% (n = 7) to have polymicrobial infections; 4 patients (13%) had negative intraoperative culture data. Median hospital stay after RFF was 8 days, and median follow-up time was 29.3 months. Major amputation was avoided in 20 of 24 limbs (83%) undergoing RFF. Eight patients underwent intentional graft or patch explantation (33%) before RFF, whereas 14 of the remaining 15 patients (93%) had successful salvage of the graft or patch after RFF. Two of the patients (13%) who underwent RFF with the intention of salvaging a prosthetic graft or patch required later graft excision. After RFF, 30-day and 1-year survival was 96% and 87%, respectively. CONCLUSIONS RFF coverage of complex groin wounds after femoral artery reconstructions may safely be performed by vascular surgeons with excellent outcomes.
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Affiliation(s)
- Evan J Ryer
- Department of Endovascular and Vascular Surgery, Geisinger Medical Center, Danville, Pa.
| | - Robert P Garvin
- Department of Endovascular and Vascular Surgery, Geisinger Medical Center, Danville, Pa
| | - Ravi N Kapadia
- Department of Endovascular and Vascular Surgery, Geisinger Medical Center, Danville, Pa
| | - Benjamin D Jorgensen
- Department of Endovascular and Vascular Surgery, Geisinger Medical Center, Danville, Pa
| | - Jessica O Green
- Department of Endovascular and Vascular Surgery, Geisinger Medical Center, Danville, Pa
| | - Marcus Fluck
- Department of Endovascular and Vascular Surgery, Geisinger Medical Center, Danville, Pa
| | - Ksenia Orlova
- Department of Endovascular and Vascular Surgery, Geisinger Medical Center, Danville, Pa
| | - Matthew C Cindric
- Department of Endovascular and Vascular Surgery, Geisinger Medical Center, Danville, Pa
| | - James R Elmore
- Department of Endovascular and Vascular Surgery, Geisinger Medical Center, Danville, Pa
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The Marriage of Sartorius and Tensor Fasciae Latae in Treating Vascular Prosthetic Graft Infections. PLASTIC AND RECONSTRUCTIVE SURGERY-GLOBAL OPEN 2017; 5:e1274. [PMID: 28507848 PMCID: PMC5426867 DOI: 10.1097/gox.0000000000001274] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/29/2016] [Accepted: 02/01/2017] [Indexed: 12/19/2022]
Abstract
Background: Vascular prosthetic graft infection in the groin is associated with high morbidity and mortality. This article presents a case series on the use of 2 flaps in the treatment of this condition. Methods: Five patients, mean age 65 years (range, 49–74 years), with significant comorbidity were treated for an exposed and infected vascular prosthetic graft in the groin with a combination of sartorius muscle (SM) flap and tensor fascia lata (TFL) myocutaneous flap after debridement and start of microbiologic culture–guided antibiotic treatment. The SM flap was used to cover the exposed graft. To obtain stable wound coverage, the SM and remaining groin defect were closed with a pedicle TFL flap. Results: All flaps survived, with only 1 TFL flap suffering a small tip necrosis. All patients obtained stable wound coverage. Donor-site morbidity was minimal. During the follow-up, mean 46 months (range, 15–79 months), 1 patient had a recurrence after 15 months due to a kink in the elongated prosthetic graft that protruded through the skin alongside the SM and TFL flaps. Conclusions: The combination of SM and TFL flaps could be a new treatment option for patients who have an exposed and infected vascular prosthetic graft in the groin. This flap combination could also be used as a prophylactic procedure for those patients with a high risk to develop such a serious complication.
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9
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Managing Groin Wounds after Infrainguinal Vascular Procedures: Examining the Reoperative Events and Complication Profile of Muscle Flap Reconstruction. Ann Vasc Surg 2017; 43:232-241. [PMID: 28478163 DOI: 10.1016/j.avsg.2017.02.010] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/25/2016] [Accepted: 02/06/2017] [Indexed: 11/20/2022]
Abstract
BACKGROUND The literature has been void of large outcome studies detailing the efficacy and complication profile of muscle flap reconstruction of complex groin wounds. Furthermore, a first-line choice for muscle flap selection remains unclear. The aim of this study is 2-fold: (1) to examine the complication profile and associated risk factors following muscle flap coverage and (2) to provide a compared efficacy analysis of the sartorius muscle flap (SMF) versus the rectus femoris flap (RFF) in the treatment of wounds following an infrainguinal vascular procedure. METHODS A retrospective review of records was performed on all patients undergoing complex groin wound reconstruction from January 2005 to September 2014. RESULTS A total of 201 flaps were performed on 184 patients. There were no sentinel bleeding events through the course of graft salvage or perioperative morbidity beyond local wound complications. Coronary artery disease (P = 0.049), dyslipidemia (P < 0.001), diabetes (P = 0.047), and history of multiple prior infrainguinal procedures (P = 0.029) were associated with increased complications following groin wound reconstruction. There was no statistically significant difference in complications in comparing the RFF versus the SMF (27.9% vs. 38.9% respectively; P = 0.109). There was no significant difference in the rates of graft salvage in comparing the RFF versus the SMF (21.6% vs. 16.1%, respectively; P = 0.459). CONCLUSIONS Muscle flap coverage can be safely employed for vascular graft salvage. Medical comorbidities and multiple prior infrainguinal procedures are predictive of perioperative complications. The SMF and RFF demonstrated equivocal rates of complications and graft salvage. Given that the RFF risks increased functional morbidity and necessitates a second donor site, the SMF may be considered as an effective first-line approach for reconstruction of complex groin wounds.
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Ali AT, Rueda M, Desikan S, Moursi MM, An R, Spencer H, Rueda S, Eidt JF. Outcomes after retroflexed gracilis muscle flap for vascular infections in the groin. J Vasc Surg 2016; 64:452-457. [PMID: 27189769 DOI: 10.1016/j.jvs.2016.03.010] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/19/2015] [Accepted: 03/01/2016] [Indexed: 11/19/2022]
Abstract
OBJECTIVE Multiple catheterizations and procedures on the femoral arteries can increase the risk of infection and eventual destruction of the overlying skin and subcutaneous tissue. Without adequate tissue coverage, vascular structures are exposed and, thus, vulnerable to disruption. This can lead to loss of limb and/or life and carries a significant mortality. We hypothesized that gracilis muscle flap (GMF) was a reliable adjunct in providing healthy tissue coverage for a complex surgical problem. METHODS Retrospective review of charts was performed on all patients who had undergone GMF for groin infections at a tertiary care medical center. RESULTS From 1997 to 2012, GMF was performed in 68 limbs (64 patients) by vascular surgeons for infectious etiology to cover the common femoral artery. At the time the GMF was placed, the femoral artery had synthetic graft/patch in 14 limbs, whereas 54 limbs had procedures with autologous conduit. Complete healing was achieved in 58 (85%) limbs. Treatment was deemed not successful in 10 limbs where patients continued to have persistent infection. Six out of 10 limbs had anastomosis disruption requiring emergent ligation of the common femoral artery. Nine patients died during the perioperative period (30-day). There were a total of 13 amputations in 12 patients. Limb salvage was achieved in 55 limbs (81%). Univariate analysis suggested that patients that had revascularization procedures with synthetic graft had a higher complication rate compared with autologous/vein reconstruction (24% vs 5%; P = .021). This group also has a higher rate of persistent infection compared with the autologous group (24% vs 2%; P = .006). Patients older than 75 years at the time of GMF had a higher incidence of GMF-related complications (57% vs 5%; P = .04). Multivariate analysis confirmed that presence of prosthesis led to higher incidence treatment failures and muscle flap complications at the surgical site (odds ratio, 6.6; P = .04; and odds ratio, 13.3; P = .03, respectively). CONCLUSIONS GMF is technically simple to perform and provides durable soft tissue coverage with a high rate of healing for complex groin wounds even in the presence of synthetic conduit.
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Affiliation(s)
- Ahsan T Ali
- Division of Vascular Surgery, Department of Surgery, University of Arkansas for Medical Sciences, Little Rock, Ark.
| | - Mario Rueda
- Department of Surgery, Johns Hopkins University School of Medicine, Baltimore, Md
| | - Sarasijhaa Desikan
- Division of Vascular Surgery, Department of Surgery, University of Arkansas for Medical Sciences, Little Rock, Ark
| | - Mohammed M Moursi
- Division of Vascular Surgery, Department of Surgery, University of Arkansas for Medical Sciences, Little Rock, Ark
| | - Ruosu An
- Division of Vascular Surgery, Department of Surgery, University of Arkansas for Medical Sciences, Little Rock, Ark
| | - Horace Spencer
- Division of Vascular Surgery, Department of Surgery, University of Arkansas for Medical Sciences, Little Rock, Ark
| | - Steven Rueda
- Department of Plastic Surgery, Cleveland Clinic Foundation, Cleveland, Ohio
| | - John F Eidt
- Department of Surgery, Baylor Heart and Vascular Hospital, Dallas, Tex
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Thorbjørnsen K, Djavani Gidlund K, Björck M, Kragsterman B, Wanhainen A. Editor's Choice – Long-term Outcome After EndoVAC Hybrid Repair of Infected Vascular Reconstructions. Eur J Vasc Endovasc Surg 2016; 51:724-32. [DOI: 10.1016/j.ejvs.2016.01.011] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/13/2015] [Accepted: 01/19/2016] [Indexed: 11/27/2022]
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12
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Ryu DY, Jung HJ, Ramaiah VG, Rodriguez-Lopez JA, Lee SS. Infected Groin (Graft/Patch): Managed with Sartorious Muscle Flap. Vasc Specialist Int 2016; 32:11-6. [PMID: 27051655 PMCID: PMC4816020 DOI: 10.5758/vsi.2016.32.1.11] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/14/2015] [Revised: 12/07/2015] [Accepted: 12/14/2015] [Indexed: 11/20/2022] Open
Abstract
PURPOSE The purpose of this study was to review the natural history, clinical outcome and safety in patients undergoing sartorius muscle flap (SMF) for groin infection, including lymphocele. MATERIALS AND METHODS We retrospectively reviewed the records of patients who underwent SMF in a single center between 2000 and 2009. RESULTS Thirty patients (17 male, 13 female) underwent SMF for groin infection, which included infections of 22 artificial femoral bypass grafts (including 2 cryoveins) and 5 common femoral patch grafts, and 3 lymphocele infections (2 cardiac catheterizations and 1 penile cancer lymph node dissection). Wound isolates were most commonly Gram-positive organisms (n=22) with Gram-negative isolates and mixed infections accounting for 4 and 3 cases, respectively. In 9 patients there was no growth of organisms. Adjunctive wound vacuum-asssisted wound closure therapy was performed in 18 patients. Follow-up duration ranged from 8 days to 56 months (mean 14.1 months) after SMF. Reoperation was performed in 3 patients due to wound bleeding (n=1) and reinfection (n=1). One patient underwent graft excision with external bypass operation. There was 1 mortality case due to sepsis during the study period. CONCLUSION We found that muscle flap surgery provides successful single-intervention therapy for groin infections including lymphocele. Graft ligation or aggressive excision with bypass surgery should be reserved for patients requiring rapid control of sepsis for lifesaving.
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Affiliation(s)
- Dong Yeon Ryu
- Division of Vascular and Endovascular, Department of Surgery, Pusan National University Yangsan Hospital, Yangsan, Korea
| | - Hyuk Jae Jung
- Division of Vascular and Endovascular, Department of Surgery, Pusan National University Yangsan Hospital, Yangsan, Korea
| | | | | | - Sang Su Lee
- Division of Vascular and Endovascular, Department of Surgery, Pusan National University Yangsan Hospital, Yangsan, Korea
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Cost-Utility Analysis: Sartorius Flap versus Negative Pressure Therapy for Infected Vascular Groin Graft Managment. PLASTIC AND RECONSTRUCTIVE SURGERY-GLOBAL OPEN 2016; 3:e566. [PMID: 26893991 PMCID: PMC4727718 DOI: 10.1097/gox.0000000000000551] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/28/2015] [Accepted: 10/06/2015] [Indexed: 11/26/2022]
Abstract
Background: Sartorius flap coverage and adjunctive negative pressure wound therapy (NPWT) have been described in managing infected vascular groin grafts with varying cost and clinical success. We performed a cost–utility analysis comparing sartorius flap with NPWT in managing an infected vascular groin graft. Methods: A literature review compiling outcomes for sartorius flap and NPWT interventions was conducted from peer-reviewed journals in MEDLINE (PubMed) and EMBASE. Utility scores were derived from expert opinion and used to estimate quality-adjusted life years (QALYs). Medicare current procedure terminology and diagnosis-related groups codes were used to assess the costs for successful graft salvage with the associated complications. Incremental cost-effectiveness was assessed at $50,000/QALY, and both univariate and probabilistic sensitivity analyses were conducted to assess robustness of the conclusions. Results: Thirty-two studies were used pooling 384 patients (234 sartorius flaps and 150 NPWT). NPWT had better clinical outcomes (86.7% success rate, 0.9% minor complication rate, and 13.3% major complication rate) than sartorius flap (81.6% success rate, 8.0% minor complication rate, and 18.4% major complication rate). NPWT was less costly ($12,366 versus $23,516) and slightly more effective (12.06 QALY versus 12.05 QALY) compared with sartorius flap. Sensitivity analyses confirmed the robustness of the base case findings; NPWT was either cost-effective at $50,000/QALY or dominated sartorius flap in 81.6% of all probabilistic sensitivity analyses. Conclusion: In our cost–utility analysis, use of adjunctive NPWT, along with debridement and antibiotic treatment, for managing infected vascular groin graft wounds was found to be a more cost-effective option when compared with sartorius flaps.
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Brewer MB, Ochoa CJ, Woo K, Wartman SM, Nikolian V, Han S, Weaver FA, Rowe VL. Sartorius Muscle Flaps for Vascular Groin Wound Complications. Am Surg 2015. [DOI: 10.1177/000313481508101130] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022]
Abstract
Sartorius myoplasty (SM) has been used as an adjunct for soft tissue coverage in vascular groin wound complications. However, the reliability of SM as a primary muscle flap has been questioned. The purpose of this study is to determine the reliability of SM performed by vascular surgeons in the management of vascular groin wound complications. A retrospective review was performed on all patients who underwent SM from 1997 to 2012. The three indications for SM were prophylactic, infection, and noninfectious wound complication. Failure of SM was defined as operative reintervention for bleeding, persistent wound drainage, or infection. A total of 99 patients underwent 103 SM procedures. The patients were 43 per cent male and 57 per cent female; the mean age was 69 years. The indication for SM was infectious in 62 cases (60%), prophylactic in 21 cases (20%), and noninfectious in the remaining 20 cases. Failure of SM occurred in 11 cases (11%). Of these, salvage bypass and/or salvage muscle flap was required in eight cases (73%). When salvage bypass was required, extra-anatomic obturator bypass was performed in 80 per cent of cases. Salvage wound coverage included rectus abdominus flap (60%), rotational flap (20%), and skin grafting (20%). Seventy-three per cent of failures came from the infectious wound group. The most common reason for SM failure was hemorrhage (45%). In 82 per cent of the cases, the sartorius muscle was still viable at reoperation and was used for continued muscle coverage. SM performed by the vascular surgeon provides reliable soft tissue coverage for vascular groin wound complications and should be used as the primary muscle flap in the majority of patients. In cases of SM failure, the vascular surgeon should consider other more extensive muscle flap options.
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Affiliation(s)
- Michael B. Brewer
- Division of Vascular Surgery, Department of Surgery, Los Angeles, California
| | - Christian J. Ochoa
- Division of Vascular Surgery, Department of Surgery, Los Angeles, California
| | - Karen Woo
- Department of Surgery; University of Southern California, Los Angeles, California
| | - Sarah M. Wartman
- Department of Surgery; University of Southern California, Los Angeles, California
| | - Vahagn Nikolian
- Keck School of Medicine at the University of Southern California, Los Angeles, California
| | - Sukgu Han
- Department of Surgery; University of Southern California, Los Angeles, California
| | - Fred A. Weaver
- Division of Vascular Surgery, Department of Surgery, Los Angeles, California
| | - Vincent L. Rowe
- Division of Vascular Surgery, Department of Surgery, Los Angeles, California
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Salvage of Exposed Groin Vascular Grafts with Early Intervention Using Local Muscle Flaps. PLASTIC AND RECONSTRUCTIVE SURGERY-GLOBAL OPEN 2015; 3:e514. [PMID: 26495227 PMCID: PMC4596439 DOI: 10.1097/gox.0000000000000480] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/11/2014] [Accepted: 07/13/2015] [Indexed: 11/25/2022]
Abstract
Background: Peripheral vascular surgery may be complicated by wound infection and potential graft exposure in the groin area. Muscle flap coverage of the graft has been promoted to address these wound complications. The authors present their findings regarding graft salvage rates and patient outcomes using local muscle flaps to address vascular graft complications of the groin. Methods: Data were obtained by retrospective cohort study of patients who underwent a local muscle flap procedure by a single surgeon following vascular graft complication in the groin. Results: Seventeen patients undergoing local muscle flap coverage of a vascular graft were reviewed. Six men and 9 women, 51–80 years old, were included in the study. Wound complications in the groin occurred anywhere from 3 days to 3.5 years following graft placement. Graft exposure was the most common presenting complication (14 of 17 patients). Muscle flap coverage occurred within 15 days of complication presentation in all patients (average, 6.4 days). Seven of the 15 patients experienced postoperative complications within 6 months of the procedure, most commonly wound dehiscence. However, analysis demonstrated that vascular grafts were successfully salvaged in 10 of the 17 patients (59%) over the course of follow-up (range, 104–1748 days). Average time to muscle flap coverage was 4.2 days in patients who retained the graft and 9.6 days in patients who ultimately lost their vascular graft. Conclusion: The authors demonstrate improved vascular graft salvage rate when local muscle flap procedure is performed early after initial wound complication presentation.
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16
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Jaffer U, Najefi A, Nott D. Management of infected femoral artery pseudoaneurysm repair: rectus abdominis flap as second-line management after sartorius flap failure. Surg Infect (Larchmt) 2014; 15:647-50. [PMID: 24818798 DOI: 10.1089/sur.2012.187] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/12/2022] Open
Abstract
BACKGROUND The incidence of infected femoral artery pseudoaneurysms is likely to increase with increasing numbers of femoral artery interventions. METHODS Case report and review of literature. RESULTS We present a case of dehiscence of a vein patch repair of an infected femoral pseutoaneurysm treated with ligation of vessels and coverage by rectus abdominis muscle flap. CONCLUSION We consider the use of this flap as a good second line option for the coverage of exposed femoral vessels, in the presence of sepsis, particularly when the external iliac artery has been ligated.
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Affiliation(s)
- Usman Jaffer
- Department of Vascular Surgery, Imperial College NHS Trust, Saint Mary's Hospital , London, United Kingdom
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17
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Wimmers EG, Lifchez SD. Intercostal artery-based rectus abdominis muscle flap for groin reconstruction. J Plast Reconstr Aesthet Surg 2014; 67:e118-9. [PMID: 24387816 DOI: 10.1016/j.bjps.2013.11.015] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/05/2013] [Revised: 11/04/2013] [Accepted: 11/24/2013] [Indexed: 11/25/2022]
Affiliation(s)
- Eric G Wimmers
- Department of Plastic and Reconstructive Surgery, Johns Hopkins University, Baltimore, MD, USA
| | - Scott D Lifchez
- Department of Plastic and Reconstructive Surgery, Johns Hopkins University, Baltimore, MD, USA; Johns Hopkins/University of Maryland Plastic Surgery Residency, USA; Johns Hopkins Bayview Medical Center, 4940 Eastern Avenue, Room A518, Baltimore, MD 21224, USA.
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18
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Bastos R, Noronha C, Andrade M, Fraga ZB. The anterolateral thigh pedicled perforator flap for closure of a groin defect with lymphorrhea following vascular surgery in a peripheral vascular disease patient—case report. EUROPEAN JOURNAL OF PLASTIC SURGERY 2012. [DOI: 10.1007/s00238-011-0596-8] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
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19
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Fischer JP, Nelson JA, Mirzabeigi MN, Wang GJ, Foley PJ, Wu LC, Woo EY, Kanchwala S. Prophylactic muscle flaps in vascular surgery. J Vasc Surg 2012; 55:1081-6. [DOI: 10.1016/j.jvs.2011.10.110] [Citation(s) in RCA: 34] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/12/2011] [Revised: 10/12/2011] [Accepted: 10/19/2011] [Indexed: 10/14/2022]
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20
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Reiffel AJ, Henderson PW, Karwowski JK, Spector JA. An interdisciplinary approach to the prevention and treatment of groin wound complications after lower extremity revascularization. Ann Vasc Surg 2011; 26:365-72. [PMID: 22055159 DOI: 10.1016/j.avsg.2011.08.002] [Citation(s) in RCA: 9] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/05/2011] [Revised: 07/04/2011] [Accepted: 08/08/2011] [Indexed: 11/18/2022]
Abstract
BACKGROUND If not effectively treated, groin wound infections following lower extremity revascularization (LER) may result in graft or limb loss. METHODS A retrospective review was performed of all patients who underwent muscle flap transposition by a single surgeon after LER between 2006 and 2010. RESULTS Twenty-nine muscle transposition flaps were performed in 24 patients (21 sartorius, 6 rectus femoris, and 2 gracilis). Nineteen were for treatment of groin wound infections, two for treatment of lymphocele, one for coverage of exposed graft in the setting of pyoderma gangrenosum, and seven for infection prophylaxis. Two graft losses followed flap placement. The limb loss rate was 4%. When performed for therapeutic purposes, graft salvage rates were 100% for autogenous and 92% for synthetic grafts. CONCLUSIONS Muscle transposition flaps are an effective means of graft salvage in the setting of groin wound complications following LER and should be considered for infection prophylaxis in high-risk patients.
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Affiliation(s)
- Alyssa J Reiffel
- Division of Plastic Surgery, Weill Cornell Medical College, New York, NY 10065, USA
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21
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Kragsterman B, Björck M, Wanhainen A. EndoVAC, a Novel Hybrid Technique to Treat Infected Vascular Reconstructions With an Endograft and Vacuum-Assisted Wound Closure. J Endovasc Ther 2011; 18:666-73. [DOI: 10.1583/11-3465.1] [Citation(s) in RCA: 10] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/16/2022]
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22
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Herrera FA, Kohanzadeh S, Nasseri Y, Kansal N, Owens EL, Bodor R. Management of vascular graft infections with soft tissue flap coverage: improving limb salvage rates--a veterans affairs experience. Am Surg 2009; 75:877-81. [PMID: 19886126 DOI: 10.1177/000313480907501003] [Citation(s) in RCA: 44] [Impact Index Per Article: 2.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/15/2022]
Abstract
Graft infections are one of the most challenging issues in surgery with an incidence of 0.7 to 7 per cent, with femoral site infections being the most common (13% incidence). The gold standard treatment has been graft removal, wide débridement, and extra-anatomical bypass. Routine excision of infected peripheral arterial grafts and vascular reconstruction with extraanatomic conduits are associated with mortality rates ranging from 10 to 30 per cent and amputation rates of up to 70 per cent. As a result of the high morbidity and mortality associated with this approach, selective graft preservation techniques have been developed. Newer treatment plans discuss preservation of the graft with débridement and coverage of the infected region. Better wound care, nutrition optimization, and robust flap coverage have led to significantly improved graft salvage, lower amputation rates, and improved outcomes. The objective of this study was to evaluate the Veterans Affairs (VA) experience with flap coverage for femoral vascular graft infections. A retrospective review was conducted of all VA data from 1997 to 2008 with inclusion criteria of patients with deep groin wound infections requiring flap coverage after femoral bypass surgery. Eleven such patients were identified with a mean age of 73 years and with multiple comorbidities (hypertension, malnutrition, diabetes mellitus, chronic obstructive pulmonary disease, coronary artery disease, chronic renal insufficiency). Patients presented with wound drainage, exposed graft, hematoma, perigraft fluid collection, and pseudoaneurysm. Treatment protocol included: 1) aggressive débridement of the wound bed; 2) early soft tissue (flap) coverage; 3) wound vacuum assisted closure device or frequent dressing changes; and 4) skin graft once the bed was prepared. Eighty-two per cent of wounds had positive cultures with equal numbers of patients with Staphylococcus epidermidis, Pseudomonas, Escherichia coli (22%), and higher methicillin-resistant Staphylococcus aureus (33%), whereas in the literature Staphylococcus is the most common (greater than 50%). Average hospital length of stay was 94 days with average follow up at 10 months. Fifty-five per cent graft salvage (one Dacron [50%], two polytetrafluoroethylene [33%], two saphenous vein graft [100%], one cryovein [100%]) was achieved with 91 per cent limb salvage. Complications included graft blowout (two) requiring partial flap loss (one), retroperitoneal hematoma (one), limb loss (one), sepsis (one), and death (one). Infected vascular grafts remain a challenging problem requiring multidisciplinary care. Careful débridement and aggressive wound care followed by selective flap coverage appears to decrease morbidity and increase graft and limb salvage.
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23
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Cyrochristos DJ, Papadopoulos O, Liapis C, Felekouras EL, Giannopoulos AM, Bastounis E. Coverage Strategies in Exposed Implants. Am Surg 2009. [DOI: 10.1177/000313480907501122] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022]
Abstract
Implants are widely used and are not without complications. The most serious complication is infection with consequent exposure of the implant and is characterized by increased morbidity and mortality. Until recently, infected implants were removed and replaced with another one. These operations are accompanied by increased morbidity and might result in permanent disability. Coverage of the implant with a flap is an alternative solution. The objective of this article is to study the effectiveness of muscle or myocutaneous flaps in covering infected and exposed implants. A series of 17 patients with infected implants, which were treated with coverage of the implant with muscle or myocutaneous flap, is presented. Eight patients had an orthopedic implant, seven a vascular implant, and two had a pacemaker. The flaps ensured immediate coverage of the implant and the biologic ability of eliminating the infectious process with the increased concentration of antibiotics resulting from increased blood flow of the muscle. In all the patients, the implants were preserved and the infectious process was eliminated. The use of muscle and myocutaneous flaps in the treatment of infected implants is therefore effective and in some cases it is superior to other methods because of lower morbidity and cost.
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Affiliation(s)
- Dimitris J. Cyrochristos
- From the First Department of Surgery of the National and Kapodistrian University of Athens, Laikon Hospital, Athens, Greece
| | - Othon Papadopoulos
- From the First Department of Surgery of the National and Kapodistrian University of Athens, Laikon Hospital, Athens, Greece
| | - Christos Liapis
- From the First Department of Surgery of the National and Kapodistrian University of Athens, Laikon Hospital, Athens, Greece
| | - Evagelos L. Felekouras
- From the First Department of Surgery of the National and Kapodistrian University of Athens, Laikon Hospital, Athens, Greece
| | - Athanasios M. Giannopoulos
- From the First Department of Surgery of the National and Kapodistrian University of Athens, Laikon Hospital, Athens, Greece
| | - Elias Bastounis
- From the First Department of Surgery of the National and Kapodistrian University of Athens, Laikon Hospital, Athens, Greece
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24
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The sartorius muscle flap: an important adjunct for complicated femoral wounds involving vascular grafts. Am J Surg 2009; 197:655-9; discussion 659. [DOI: 10.1016/j.amjsurg.2008.12.020] [Citation(s) in RCA: 32] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/10/2008] [Revised: 12/29/2008] [Accepted: 12/29/2008] [Indexed: 11/20/2022]
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Stone PA, Back MR, Armstrong PA, Brumberg RS, Flaherty SK, Johnson BL, Shames ML, Bandyk DF. Evolving Microbiology and Treatment of Extracavitary Prosthetic Graft Infections. Vasc Endovascular Surg 2008; 42:537-44. [DOI: 10.1177/1538574408322658] [Citation(s) in RCA: 20] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/15/2022]
Abstract
The authors report the microbiology and outcomes following an individualized treatment algorithm for extracavitary (EC) prosthetic graft infection, including the use of graft preservation and in situ graft replacement techniques. A retrospective 8-year review of 87 patients treated for EC prosthetic graft infections was carried out. The treatment algorithm included culture-specific antibiotic therapy, surgical site debridement with antibiotic bead placement, selected graft preservation with muscle flap coverage, or graft excision with in situ conduit replacement. Outcomes measured included death, limb loss, and recurrent infection. It was found that present-day management of EC prosthetic graft infections is associated with lower mortality and morbidity despite changes in microbiology and the increased application of graft preservation and in situ grafting treatments.
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Affiliation(s)
- Patrick A. Stone
- Department of Vascular Surgery, West Virginia University, Charleston,
| | - Martin R. Back
- Department of Vascular Surgery, the University of South Florida, Tampa, Florida
| | - Paul A. Armstrong
- Department of Vascular Surgery, the University of South Florida, Tampa, Florida
| | - Robert S. Brumberg
- Department of Vascular Surgery, the University of South Florida, Tampa, Florida
| | | | - Brad L. Johnson
- Department of Vascular Surgery, the University of South Florida, Tampa, Florida
| | - Murray L. Shames
- Department of Vascular Surgery, the University of South Florida, Tampa, Florida
| | - Dennis F. Bandyk
- Department of Vascular Surgery, the University of South Florida, Tampa, Florida
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26
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Herrera FA, Easter D, Dobke M. Management of vascular graft infections with soft tissue coverage. JOURNAL OF SURGICAL EDUCATION 2008; 65:176-181. [PMID: 18571129 DOI: 10.1016/j.jsurg.2007.12.003] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/08/2007] [Revised: 12/16/2007] [Accepted: 12/17/2007] [Indexed: 05/26/2023]
Affiliation(s)
- Fernando A Herrera
- Department of Surgery, Division of Plastic Surgery, University of California-San Diego Medical Center, San Diego, CA, USA
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27
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Chun JK, Schulman MR. The Infected Breast Prosthesis after Mastectomy Reconstruction: Successful Salvage of Nine Implants in Eight Consecutive Patients. Plast Reconstr Surg 2007; 120:581-589. [PMID: 17700107 DOI: 10.1097/01.prs.0000270296.61765.28] [Citation(s) in RCA: 45] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/26/2022]
Abstract
BACKGROUND The use of tissue expanders and permanent implants has an established role in breast reconstruction after mastectomy. Periprosthetic infection, however, represents a known complication. The most conservative approach to severe or recalcitrant prosthetic infection remains removal of the device. However, removal makes subsequent reinsertion and reexpansion more difficult, with less predictable cosmetic results. The authors believe that timely surgical intervention directed toward salvage of infected breast prostheses can be successful, without demonstrating increased capsular contracture. METHODS The authors present nine consecutive cases of infected breast implants (nine implants in eight patients). All patients had previously undergone mastectomy for malignancy and immediate expander/implant reconstruction. Six patients had localized infections that failed to respond to oral antibiotics and two women initially presented with systemic infection. All patients were placed on intravenous antibiotics followed by drainage of fluid, manual debridement and curettage of the infected pocket, device exchange, and postoperative antibiotics. RESULTS All nine infected breast prostheses responded to this approach and currently remain intact and without recurrent infection. Mean time to follow-up for all patients was 14.6 months (range, 10 to 25 months). CONCLUSIONS In patients with severely infected breast prostheses, timely operative intervention can salvage the previously "unsalvageable" implant; in addition, the surgically replaced implants did not develop severe capsular contractures. Surgical salvage of severely infected breast prostheses after mastectomy is a treatment option that should be considered when dealing with severe or recalcitrant infection in a suitable patient.
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Affiliation(s)
- Jin K Chun
- New York, N.Y. From the Division of Plastic and Reconstructive Surgery, Mount Sinai Medical Center
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28
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Armstrong PA, Back MR, Bandyk DF, Johnson BL, Shames ML. Selective application of sartorius muscle flaps and aggressive staged surgical debridement can influence long-term outcomes of complex prosthetic graft infections. J Vasc Surg 2007; 46:71-8. [PMID: 17606124 DOI: 10.1016/j.jvs.2007.02.058] [Citation(s) in RCA: 47] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/12/2006] [Accepted: 02/21/2007] [Indexed: 01/10/2023]
Abstract
BACKGROUND The complexity of variables associated with vascular surgical site infections (VSSI) often contribute adversely to reinfection, limb salvage, and mortality rates. This report details our experience with the selective use of a sartorius muscle flaps (SMF) as part of an overall treatment strategy focused on staged surgical debridement (SSD) to control prosthetic graft bed infection prior to a graft preservation or revision plan. METHODS From our vascular registry, we identified 422 VSSI of which 89 (21%) had SMF for 24 aorto-bifemoral (ABF), 19 extra-anatomic bypasses (EAB), 34 infrainguinal bypasses, and 12 combined inflow/outflow reconstructions. All 86 patients had Szilagyi grade III prosthetic (Dacron-36, polytetrafluoroethylene [PTFE]-50) graft infections. The treatment algorithm included: SSD, culture-directed parenteral antibiotics, graft preservation (n = 3), or reconstruction (graft excision/EAB, n = 4; rifampin-bonded PTFE, n = 22; autologous conduit, n = 57) based on microbiology and consideration for SMF for extensive soft tissue defects (n = 43) or non-sterilized graft beds (n = 40). Analysis of microbiology, recurrent infection, vascular reconstruction, limb salvage, and mortality was completed over a mean follow-up of 52 months (range: 12 to 132 months). RESULTS Thirty-day mortality was 2% with two aortic graft infections dying from sepsis. Survival by life table analysis at 1, 3, and 5 years was 94%, 92%, and 90%, respectively. Wound isolates were most commonly gram positive organisms (n = 58, 65%), with gram negative isolates and mixed infections accounting for 19% and 10%, respectively. A single recurrent groin infection was documented at 30 days. Freedom from recurrent infection (n = 6) at 1 and 5 years was 98% and 92% by life tables. Methicillin-resistant Staphylococcus aureus (MRSA) was involved for 50% of reinfections. No amputations were attributable to uncontrolled VSSI and graft patency was 100% in surveillance monitored patients. CONCLUSION These results suggest that selective utilization of SMF as part of SSD treatment plan in an attempt to achieve graft bed sterilization can effectively control the complex infectious process allowing for potentially improved outcomes for in situ or preservation graft salvage techniques. Lifelong graft surveillance is recommended.
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Affiliation(s)
- Paul A Armstrong
- Division of Vascular and Endovascular Surgery, University of South Florida School of Medicine, 4 Columbia Drive, Tampa, FL 33606, USA.
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29
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Zetrenne E, Wirth GA, McIntosh BC, Evans GRD, Narayan D. Managing extracavitary prosthetic vascular graft infections: a pathway to success. Ann Plast Surg 2007; 57:677-82. [PMID: 17122558 DOI: 10.1097/01.sap.0000226928.10734.ae] [Citation(s) in RCA: 10] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/06/2023]
Abstract
Prosthetic vascular graft infections portend grave consequences if not treated expediently. Despite the low incidence of infection, the potential for limb loss or death greatly magnifies this complication. The surgical management of prosthetic graft infections has evolved over the last 2 decades. With the myriad therapeutic options now available, an algorithm is necessary to provide the optimal surgical treatment of Samson groups 1 through 5 extracavitary infected vascular prostheses. An extensive review of the literature was undertaken to evaluate the most effective management schemes. The authors found that 3 factors--Samson classification, bacteriology, and patient vascular anatomy--are vital to the surgical strategy. These 3 criteria were examined, and an algorithm was developed based on successful clinical and experimental results. This review provides a step-by-step rationale for the surgical management of extracavitary prosthetic graft infections according to the most successful reported outcomes.
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Affiliation(s)
- Eleonore Zetrenne
- Aesthetic and Plastic Surgery Institute, University of California, Irvine, Orange, CA, USA
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30
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Pu LLQ, Jahania MS, Mentzer RM. Successful management of recalcitrant groin lymphorrhoea with the combination of intraoperative lymphatic mapping and muscle flap. J Plast Reconstr Aesthet Surg 2006; 59:1363-6. [PMID: 17113520 DOI: 10.1016/j.bjps.2005.10.029] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/24/2005] [Revised: 10/04/2005] [Accepted: 10/04/2005] [Indexed: 11/17/2022]
Abstract
Recalcitrant groin lymphorrhoea in high-risk patients remains a problem. In this report, a cardiac transplant patient with recalcitrant groin lymphorrhoea was successfully treated with a combination of intraoperative lymphatic mapping and sartorius muscle flap. We believe that the combined use of these two treatment options offers a more effective approach for surgical treatment of recalcitrant groin lymphorrhoea and should be considered when managing this difficult clinical problem, especially in high-risk patients.
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Affiliation(s)
- Lee L Q Pu
- Division of Plastic Surgery, University of Kentucky College of Medicine, Kentucky Clinic, K454, Lexington, KY 40536-0284, USA.
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31
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Seify H, Moyer HR, Jones GE, Busquets A, Brown K, Salam A, Losken A, Culbertson J, Hester TR. The role of muscle flaps in wound salvage after vascular graft infections: the Emory experience. Plast Reconstr Surg 2006; 117:1325-33. [PMID: 16582808 DOI: 10.1097/01.prs.0000204961.32022.ab] [Citation(s) in RCA: 49] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/30/2022]
Abstract
BACKGROUND The incidence of prosthetic graft infection is 1 to 6 percent, and the mortality rate of infected aortoiliac or aortofemoral bypass is 25 to 75 percent. The goal of this study was to report the use of muscle flaps in the management of patients presenting with infected vascular grafts. METHODS A total of 22 patients required 26 muscle flaps to cover 24 infected vascular grafts. Muscle flaps were used for local wound control in all patients regardless of the fate of the graft. The vascular surgeons elected for graft salvage in eight of the 24 grafts. All of the muscle flaps survived. RESULTS The average time interval between the bypass and infection was 371 days. One-month follow-up revealed an 88 percent salvage rate, but this decreased to 50 percent during the mean follow-up of 23 months. None of the patients originally managed with a salvaged graft lost a limb, and overall, 14 of 22 limbs in this series remained viable (64.0 percent). The mortality rate during the index hospitalization was 9 percent. In this series, suprainguinal grafts had a higher mortality rate. In addition, infection occurring more than 1 month postoperatively, culture-positive Pseudomonas and methicillin-resistant species, and exposure of the arterial-graft anastomosis were poor prognostic indicators of graft preservation. CONCLUSIONS Management of infected vascular grafts remains a challenging problem. Muscle flap coverage should have a high priority, as the chance of a good outcome is highly favorable in early infections.
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Affiliation(s)
- Hisham Seify
- Division of Plastic and Vascular Surgery, Joseph B. Whitehead Department of Surgery, Emory University, Atlanta, GA 30327, USA.
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Wu LC, Djohan RS, Liu TS, Chao AH, Lohman RF, Song DH. Proximal Vascular Pedicle Preservation for Sartorius Muscle Flap Transposition. Plast Reconstr Surg 2006; 117:253-8. [PMID: 16404276 DOI: 10.1097/01.prs.0000185670.15531.50] [Citation(s) in RCA: 25] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/26/2022]
Abstract
BACKGROUND A variety of muscle flaps have been described to treat complex groin wounds associated with infected and/or exposed femoral vessels or vascular grafts and persistent lymphatic leaks, and for prophylaxis against wound breakdown following inguinal lymphadenectomy. The sartorius muscle flap has several advantages over other muscle flaps: it is immediately adjacent to the groin, it is easy to prepare, and the harvest causes no functional morbidity. Despite these advantages, the flap's reliability has been questioned because of the segmental blood supply to the muscle and the flap's limited arc of rotation. To improve the reliability of the flap, the authors defined the proximal vascular anatomy of the sartorius muscle in 20 human cadavers and assessed the correlation with 20 clinical cases. They describe a technique for the harvest of the sartorius muscle transposition flap that preserves the most proximal pedicle. METHODS From July of 2000 to January of 2004, 40 sartorius muscles were dissected in 20 human preserved cadavers. During the same time period, 21 sartorius muscle transposition flap procedures were performed in 19 patients for a variety of complex groin wound complications, including infection (n = 10), lymphadenectomy (n = 4), lymphatic leak (n = 3), exposed femoral vessels (n = 3), and high-risk wound (n = 1). The location of the most proximal vascular pedicle with respect to the anterior superior iliac spine was measured in each cadaveric dissection as well as in each clinical case. Outcomes were assessed in the clinical cases with respect to wound healing. RESULTS The distance between the anterior superior iliac spine and the proximal vessels in the cadaver specimens was 6.6 +/- 1.3 cm (range, 5.0 to 9.5 cm). The distance between the anterior superior iliac spine and the proximal vessels in the clinical patients was 6.2 +/- 0.6 cm (range, 5.5 to 7.5 cm). Patients were followed for an average period of 30 months (range, 5 to 45 months). There were no incidences of partial or total flap necrosis. All wounds healed to completion. CONCLUSIONS The proximal pedicle of the sartorius muscle is consistently located at 6.5 cm from the anterior superior iliac spine. Preservation of the proximal pedicle during dissection ensures the viability of the sartorius muscle transposition flap for the treatment of complex groin wounds.
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Affiliation(s)
- Liza C Wu
- Section of Plastic and Reconstructive Surgery, University of Chicago Hospitals, Chicago, IL 60637, USA
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Alkon JD, Smith A, Losee JE, Illig KA, Green RM, Serletti JM. Management of Complex Groin Wounds: Preferred Use of the Rectus Femoris Muscle Flap. Plast Reconstr Surg 2005; 115:776-83; discussion 784-5. [PMID: 15731678 DOI: 10.1097/01.prs.0000152436.50604.04] [Citation(s) in RCA: 52] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/25/2022]
Abstract
This study reviews our experience with the rectus femoris muscle flap for complex groin wound reconstruction. Over the past 5 years, the rectus femoris has become our routine method of groin wound reconstruction. The rectus femoris is harvested through a midanterior incision extending over the distal two-thirds of the thigh. The muscle is elevated on its pedicle and transposed into the groin wound defect either directly or through an intervening skin bridge. Hospital and outpatient records were reviewed for all patients undergoing groin wound reconstruction with this technique from 1999 through 2003. Thirty-seven rectus femoris muscle flaps were performed in 33 patients. The mean patient age was 65.3 years (range, 25 to 88 years). Thirty groin wounds (81.1 percent) occurred after infrainguinal revascularization, 23 (76.7 percent) of which contained prosthetic material. Five (21.7 percent) of these wounds had their prosthetic material removed at the time of reconstruction. The remaining seven groin wounds (18.9 percent) occurred after femoral vessel cannulation for either cardiac or transplant surgery. There were no intraoperative mortalities and no anastomotic hemorrhages. There were no flap losses. Thirty-five of the 37 treated wounds healed (94.6 percent), 26 primarily (70.3 percent) and nine (24.3 percent) after delayed healing and contracture. Reoperation was performed in one patient for flap readvancement and in three patients for prosthetic graft removal after initial flap reconstruction. Two patients (6.1 percent) died during their hospitalization with persistent open groin wounds after flap reconstruction. All muscle flap donor incisions healed, with only two (5.4 percent) experiencing minimal delayed healing. There were no donor-site wound infections and no donor sites required reoperation. Thirty-three groin wounds (89.2 percent) demonstrated culture-positive microbial infection, 15 (45.5 percent) of which were polymicrobial. The 30-day mortality rate was 15.2 percent and the 6-month mortality rate increased to 27.2 percent, with multisystem organ failure as the most common cause. The rectus femoris muscle flap is an effective and reliable means of complex groin wound reconstruction. The muscle flap is dependable and the donor site is not problematic, even in the presence of peripheral vascular disease. On the basis of our clinical results, we believe that the rectus femoris muscle flap is the flap of choice for groin wound reconstruction.
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Affiliation(s)
- Joseph D Alkon
- Division of Plastic Surgery, Strong Memorial Hospital, University of Rochester, Rochester, NY, USA
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Morasch MD, Sam AD, Kibbe MR, Hijjawi J, Dumanian GA. Early results with use of gracilis muscle flap coverage of infected groin wounds after vascular surgery. J Vasc Surg 2004; 39:1277-83. [PMID: 15192569 DOI: 10.1016/j.jvs.2004.02.011] [Citation(s) in RCA: 74] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Abstract
INTRODUCTION Management of a nonhealing femoral wound after vascular surgery can pose a challenging problem, particularly when there is prosthetic material involved. We prefer to use pedicled gracilis muscle flaps (PGMFs) to cover problematic groin wounds when more conventional management is not possible. METHODS We describe the technique for using PGMFs to provide groin coverage, report a summary of our short-term and long-term results, and describe why we prefer this reconstructive technique. RESULTS Twenty PGMFs were placed in 18 patients to treat nonhealing and infected groin wounds. Exposed prosthetic vascular reconstructions were covered with the PGMF in 14 wounds, and in situ autogenous vascular reconstructions were covered in four. Seven wound infections were polymicrobial, 10 had a single gram-positive organism, and one had a single gram-negative organism. Pseudomonas cultured out in four wounds, and Candida in one wound. Two patients had a virulent combination of methicillin-resistant Staphylococcus aureus and vancomycin-resistant enterococcus. Complete healing was initially achieved in all wounds, and no patient died within 30 days of surgery. Two PGMFs failed, at 2 weeks and 2 months, respectively, one from tension on the flap pedicle and one from acute inflow occlusion. Underlying prosthetic reconstruction was salvaged in 12 of 14 wounds; the remaining wounds with autogenous reconstructions or exposed femoral vessels all closed successfully. At a mean follow-up of 40 +/- 10 months there were no recurrent groin infections. Seven patients died, at 2.5, 3, 8, 12, 14, 22, and 28 months, respectively. CONCLUSION PGMF transposition is an effective option to cover infected or exposed femoral vessels or salvage prosthetic graft material in the groin. In appropriately selected patients, when complete graft removal and extra-anatomic bypass is not an acceptable option, gracilis muscle flap coverage is a viable alternative. The technique is relatively simple, and morbidity from PGMF harvest is minimal.
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Affiliation(s)
- Mark D Morasch
- Division of Vascular Surgery, Department of Surgery, Feinberg School of Medicine, Northwestern University, Northwestern Memorial Hospital, Suite 10-105, 201 E. Huron Street, Chicago, IL 60611, USA.
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Colwell AS, Donaldson MC, Belkin M, Orgill DP. Management of early groin vascular bypass graft infections with sartorius and rectus femoris flaps. Ann Plast Surg 2004; 52:49-53. [PMID: 14676699 DOI: 10.1097/01.sap.0000099960.68038.53] [Citation(s) in RCA: 53] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/19/2023]
Abstract
Groin infections adjacent to vascular bypass grafts continue to be a source of morbidity. The authors reviewed retrospectively 9 consecutive patients with early localized groin infections treated at their institution with sartorius or rectus femoris muscle flaps between 1998 and 2002. All wounds were initially opened and drained. Wounds with necrotic tissue were treated with serial surgical debridements, with a vacuum-assisted closure device, or with wet-to-dry dressing changes. Two bypass grafts were excised and replaced in the presence of marked exposure or pseudoaneurysm. Small wounds were closed with a turnover sartorius flap and larger wounds were closed with either a muscle or musculocutaneous rectus femoris flap. Groin wounds healed in all patients without subsequent graft exposure, rupture, or pseudoaneurysm. Local wound therapy with staged debridement and muscle flaps is effective for most early localized graft infections.
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Affiliation(s)
- Amy S Colwell
- Department of Surgery, Brigham and Women's Hospital, Boston, MA 02115, USA
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Baddour LM, Bettmann MA, Bolger AF, Epstein AE, Ferrieri P, Gerber MA, Gewitz MH, Jacobs AK, Levison ME, Newburger JW, Pallasch TJ, Wilson WR, Baltimore RS, Falace DA, Shulman ST, Tani LY, Taubert KA. Nonvalvular Cardiovascular Device–Related Infections. Circulation 2003; 108:2015-31. [PMID: 14568887 DOI: 10.1161/01.cir.0000093201.57771.47] [Citation(s) in RCA: 363] [Impact Index Per Article: 17.3] [Reference Citation Analysis] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/16/2022]
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Abstract
With the development of modern microsurgical reconstruction, there are several alternative methods for the complicated head and neck defect or injured extremity. The double-paddled flap, double flaps, and double flap with vascular flow-through linkage are good tools for extensive wide, composite, and three-dimensional defects. When faced with a difficult reconstruction, the expense, morbidity of the donor site, and operative time must be taken into consideration. Compared with other combined composite flaps and other methods, the chimeric flap has many advantages including: easy three-dimensional insetting, acceptable aesthetic appearance, reduced donor site morbidity, design with the least effort and operation time, and one pair of recipient vessel. The disadvantages of the chimeric flaps include: the variation of perforators, the requirement of a learning curve, and, sometimes, the need for a second venous drainage or shifting to double flaps. Overall, in selected cases, the chimeric flap is a good option for the reconstruction of extensive, composite, and three-dimensional defects.
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Affiliation(s)
- Wei-Chao Huang
- Department of Plastic and Reconstructive Surgery, Chang Gung Memorial Hospital, 199 Tung Hwa North Road, Taipei, Taiwan
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Abstract
Periprosthetic infection is a devastating complication following breast reconstruction with prostheses. Traditional surgical principles dictate removal of the prosthesis to control infection. Although successful salvage of prostheses in the presence of periprosthetic infections has been reported in the plastic and other surgical literature, salvage procedures remain seldom practiced. Reports in the plastic surgery literature have been limited to implant salvage following cosmetic breast augmentation and subcutaneous mastectomy with implants. Salvage of saline-filled expander prostheses used in breast reconstruction following mastectomy for cancer has not been previously reported. The authors review their experience with implant salvage in patients with periprosthetic infections following breast reconstruction for a 6-year period. Fourteen patients (13 with saline-filled expander prostheses and one with silicone prosthesis) underwent implant salvage. Salvage of the breast reconstruction was successful in nine patients. Staphylococcus aureus infection was associated with poorer salvage rate (p = 0.023). Previous radiotherapy to the chest wall did not affect the salvage outcome (p = 0.50). In selected patients, immediate salvage of a breast reconstruction in the presence of prosthesis-related infection remains an alternative to implant removal followed by delayed reconstruction.
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Affiliation(s)
- Ngi-Wieh Yii
- Division of Plastic Surgery, Wexham Park Hospital, Slough, Berkshire SL2 4HL, UK
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