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Bassetto F, Brambullo T, Biffoli B, Baldan N, Rastrelli M, Mocellin S, Vindigni V. Highly biocompatible material for enhanced abdominal wall repair: a retrospective study with EGIS ® porcine dermal matrix. Case Reports Plast Surg Hand Surg 2023; 10:2285054. [PMID: 38229698 PMCID: PMC10790804 DOI: 10.1080/23320885.2023.2285054] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/01/2023] [Accepted: 11/14/2023] [Indexed: 01/18/2024]
Abstract
In the early 2000s, medical devices based on acellular matrices multiplied in number. Nowadays, the use of porcine ADMs is to be considered a well-established technology, commonly applied in different surgical specialties. In this retrospective analysis of 110 cases, the use of non-crosslinked porcine ADM EGIS® results a safe and effective tool in many procedures and specialties.
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Affiliation(s)
- Franco Bassetto
- Department of Neuroscience: Neurological, Psychiatric, Sensorial, Reconstructive, and Rehabilitative Sciences, University of Padua, Padua, Italy
| | - Tito Brambullo
- Department of Neuroscience: Neurological, Psychiatric, Sensorial, Reconstructive, and Rehabilitative Sciences, University of Padua, Padua, Italy
| | - Bernardo Biffoli
- Department of Neuroscience: Neurological, Psychiatric, Sensorial, Reconstructive, and Rehabilitative Sciences, University of Padua, Padua, Italy
| | - Nicola Baldan
- Department of Surgical, Oncological and Gastroenterological Sciences, University of Padua, Padua, Italy
| | - Marco Rastrelli
- Surgical Oncology Unit, Veneto Institute of Oncology, IOV-IRCCS, Padua, Italy
| | - Simone Mocellin
- Surgical Oncology Unit, Veneto Institute of Oncology, IOV-IRCCS, Padua, Italy
| | - Vincenzo Vindigni
- Department of Neuroscience: Neurological, Psychiatric, Sensorial, Reconstructive, and Rehabilitative Sciences, University of Padua, Padua, Italy
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Bustos SS, Kuruoglu D, Truty MJ, Sharaf BA. Surgical and Patient-Reported Outcomes of Open Perforator-Preserving Anterior Component Separation for Ventral Hernia Repair. J Reconstr Microsurg 2023; 39:743-750. [PMID: 37186097 DOI: 10.1055/s-0043-1768217] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 05/17/2023]
Abstract
BACKGROUND Abdominal wall reconstruction is challenging for surgeons and may be life altering for patients. There are scant high-quality studies on patient-reported outcomes following abdominal wall reconstruction. We assess long-term surgical and patient-reported outcomes of perforator-preserving open anterior component separation (OPP-ACS) following large ventral hernia repair. METHODS A retrospective review of patients with large ventral hernia defects who underwent OPP-ACS performed by the authors (B.A.S., M.J.T.) was conducted between 2015 and 2019. Demographics, surgical history, operative details, outcomes, and complications were extracted. A validated questionnaire, Carolinas Comfort Scale (CCS), was used to assess postoperative quality of life. RESULTS Twenty-two patients (12 males and 10 females) with a mean age and BMI of 60.9 ± 10 years and 28.9 ± 4.8 kg/m2, respectively, were included. Mean follow-up was 28.5 ± 16.3 months. All had prior abdominal surgery; 15 (68%) for abdominopelvic malignancy, 3 (14%) for previous failed hernia repair, and 8 (36%) had history of abdominopelvic radiation. Overall, 16 (73%) hernias were in the midline, 4 (18%) in the right lower quadrant, 1 (4.5%) in the right upper quadrant, and 1 (4.5%) in the left lower quadrant. Mean hernia defect surface area was 145 ± 112 cm2. A total of 9 patients (40.9%) underwent bilateral component separation, whereas 13 (59.1%) had unilateral. Bioprosthetic mesh was used in all patients as underlay. Mean mesh size and thickness were 545.6 ± 207.7 cm2 and 3.4 ± 0.5 mm, respectively. One patient presented with a minor wound dehiscence, and two presented with seromas not requiring aspiration/evacuation. One patient had hernia recurrence 22 months after surgery. One patient was readmitted for partial small bowel obstruction and one required wound revision. A total of 14 (65%) patients responded to the CCS questionnaire. At 12 months, mean score for all 23 items was 0.29 ± 0.21 (0.08-0.62), which corresponds to absence or minimal symptoms. CONCLUSION The OPP-ACS is a safe surgical option for large, complex ventral hernias. Our cases showed minimal complication rate and hernia recurrence, and our patients reported significant improvement in life quality.
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Affiliation(s)
- Samyd S Bustos
- Division of Plastic and Reconstructive Surgery, Mayo Clinic, Rochester, Minnesota
| | - Doga Kuruoglu
- Division of Plastic and Reconstructive Surgery, Mayo Clinic, Rochester, Minnesota
| | - Mark J Truty
- Division of Hepato-Pancreatico-Biliary Surgery, Department of Surgery, Mayo Clinic, Rochester, Minnesota
| | - Basel A Sharaf
- Division of Plastic and Reconstructive Surgery, Mayo Clinic, Rochester, Minnesota
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Hassan AM, Asaad M, Brook DS, Shah NR, Kumar SC, Liu J, Adelman DM, Clemens MW, Selber JC, Butler CE. Outcomes of Abdominal Wall Reconstruction with a Bovine versus a Porcine Acellular Dermal Matrix: A Propensity Score-Matched Analysis. Plast Reconstr Surg 2023; 152:872-881. [PMID: 36780366 DOI: 10.1097/prs.0000000000010292] [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: 02/14/2023]
Abstract
BACKGROUND Abdominal wall reconstruction (AWR) is one of the most commonly performed procedures, yet large comparative studies comparing outcomes of AWR using bovine acellular dermal matrix (BADM) and porcine acellular dermal matrix (PADM) are lacking. METHODS In this retrospective cohort study of patients who underwent AWR from March of 2005 to June of 2019, the primary comparative outcome measure was hernia recurrence with BADM versus PADM. The secondary outcome was the incidence of surgical-site occurrence (SSO) and surgical-site infection. A propensity score matching approach was applied to compare the clinical outcomes between the two study groups. RESULTS The authors identified 725 patients who underwent AWR using BADM (50.5%) or PADM (49.5%). Their mean ± SD age was 59.8 ± 11.5 years, mean body mass index was 31.4 ± 6.7 kg/m 2 , and mean follow-up time was 42 ± 29 months. With propensity score matching, 219 matched pairs were identified. Hernia recurrence rates in BADM (11.4%) and PADM (13.7%) groups did not differ significantly ( P = 0.793). SSO (26.5% versus 29.2%; P = 0.518) and SSI (13.2% versus 11%; P = 0.456) rates did not differ significantly in the PADM and BADM groups, respectively. Conditional logistic regression model and marginal Cox proportional hazards regression model determined that type of acellular dermal matrix was not significantly associated with SSOs (adjusted OR, 1.11; 95% CI, 0.74 to 1.70; P = 0.589) or hernia recurrence (adjusted hazard ratio, 0.85; 95% CI, 0.50 to 1.42; P = 0.52). CONCLUSIONS Both BADMs and PADMs provide durable, long-term outcomes. The hernia recurrence and postoperative surgical complication rates were not significantly different between BADM and PADM. CLINICAL QUESTION/LEVEL OF EVIDENCE Therapeutic, III.
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Affiliation(s)
- Abbas M Hassan
- From the Department of Plastic Surgery, The University of Texas M. D. Anderson Cancer Center
| | - Malke Asaad
- From the Department of Plastic Surgery, The University of Texas M. D. Anderson Cancer Center
| | - Derek S Brook
- From the Department of Plastic Surgery, The University of Texas M. D. Anderson Cancer Center
| | - Nikhil R Shah
- From the Department of Plastic Surgery, The University of Texas M. D. Anderson Cancer Center
| | - Saloni C Kumar
- From the Department of Plastic Surgery, The University of Texas M. D. Anderson Cancer Center
| | - Jun Liu
- From the Department of Plastic Surgery, The University of Texas M. D. Anderson Cancer Center
| | - David M Adelman
- From the Department of Plastic Surgery, The University of Texas M. D. Anderson Cancer Center
| | - Mark W Clemens
- From the Department of Plastic Surgery, The University of Texas M. D. Anderson Cancer Center
| | - Jesse C Selber
- From the Department of Plastic Surgery, The University of Texas M. D. Anderson Cancer Center
| | - Charles E Butler
- From the Department of Plastic Surgery, The University of Texas M. D. Anderson Cancer Center
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Mansour RN, Karimizade A, Enderami SE, Abasi M, Talebpour Amiri F, Jafarirad A, Mellati A. The effect of source animal age, decellularization protocol, and sterilization method on bovine acellular dermal matrix as a scaffold for wound healing and skin regeneration. Artif Organs 2023; 47:302-316. [PMID: 36161305 DOI: 10.1111/aor.14415] [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: 06/09/2022] [Revised: 09/12/2022] [Accepted: 09/13/2022] [Indexed: 02/03/2023]
Abstract
BACKGROUND Healing the full-thickness skin wounds has remained a challenge. One of the most frequently used grafts for skin regeneration is xenogeneic acellular dermal matrices (ADMs), including bovine ADMs. This study investigated the effect of the source animal age, enzymatic versus non-enzymatic decellularization protocols, and gamma irradiation versus ethylene oxide (EO) sterilization on the scaffold. METHODS ADMs were prepared using the dermises of fetal bovine or calf skins. All groups were decellularized through chemical and mechanical methods, unless T-FADM samples, in which an enzymatic step was added to the decellularization protocol. All groups were sterilized with ethylene oxide (EO), except G-FADM which was sterilized using gamma irradiation. The scaffolds were characterized through scanning electron microscopy, differential scanning calorimetry, tensile test, MTT assay, DNA quantification, and real-time PCR. The performance of the ADMs in wound treatment was also evaluated macroscopically and histologically. RESULTS All ADMs were effectively decellularized. In comparison to FADM (EO-sterilized fetal ADM), morphological, and mechanical properties of G-FADM, T-FADM, and CADM (EOsterilized calf ADM) were changed to different extents. In addition, the CADM and G-FADM were thermally more stable than the FADM and T-FADM. Although all ADMs were noncytotoxic, the wounds of the FADM, T-FADM, and G-FADM groups were contracted to almost 30.0% of the original area on day 7, significantly faster than the CADM (17.5% ± 1.7) and control (12.2% ± 1.59) groups. However, by day 21, all ADMs were mostly closed except for the untreated group (60.1 ± 1.8). CONCLUSION Altogether, fetal source and EO-sterilized samples performed better than calf source and gamma-sterilized samples unless in some mechanical properties. There was no added value in using enzymatic treatment during the decellularization process. Our results suggest that the age, decellularization, and sterilization methods of animal source should be selected based on the clinical requirements.
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Affiliation(s)
- Reyhaneh Nassiri Mansour
- Department of Tissue Engineering and Regenerative Medicine, School of Advanced Technologies in Medicine, Mazandaran University of Medical Sciences, Sari, Iran.,Student Research Committee, Mazandaran University of Medical Sciences, Sari, Iran
| | - Ayoob Karimizade
- Department of Tissue Engineering and Regenerative Medicine, School of Advanced Technologies in Medicine, Mazandaran University of Medical Sciences, Sari, Iran
| | - Seyed Ehsan Enderami
- Immunogenetics Research Center, Department of Medical Biotechnology, School of Advanced Technologies in Medicine, Mazandaran University of Medical Sciences, Sari, Iran
| | - Mozhgan Abasi
- Department of Tissue Engineering and Regenerative Medicine, School of Advanced Technologies in Medicine, Mazandaran University of Medical Sciences, Sari, Iran
| | | | - Abdolreza Jafarirad
- Department of Surgery, Zare Psychiatry and Burn Hospital, Mazandaran University of Medical Sciences, Sari, Iran
| | - Amir Mellati
- Department of Tissue Engineering and Regenerative Medicine, School of Advanced Technologies in Medicine, Mazandaran University of Medical Sciences, Sari, Iran.,Molecular and Cell Biology Research Center, Faculty of Medicine, Mazandaran University of Medical Sciences, Sari, Iran
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Hassan AM, Franco CM, Shah NR, Netherton TJ, Mericli AF, Garvey PP, Schaverien MV, Chang EI, Hanasono MM, Selber JC, Butler CE. Outcomes of Complex Abdominal Wall Reconstruction After Oncologic Resection: 14-Year Experience at an NCI-Designated Cancer Center. Ann Surg Oncol 2023; 30:3712-3720. [PMID: 36662331 DOI: 10.1245/s10434-023-13098-y] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/10/2022] [Accepted: 12/29/2022] [Indexed: 01/21/2023]
Abstract
BACKGROUND Outcomes studies for abdominal wall reconstruction (AWR) in the setting of previous oncologic extirpation are lacking. We sought to evaluate long-term outcomes of AWR using acellular dermal matrix (ADM) after extirpative resection, compare them to primary herniorrhaphy, and report the rates and predictors of postoperative complications. METHODS We conducted a retrospective cohort study of patients who underwent AWR after oncologic resection from March 2005 to June 2019 at a tertiary cancer center. The primary outcome was hernia recurrence (HR). Secondary outcomes included surgical site occurrences (SSOs), surgical site infection (SSIs), length of hospital stay (LOS), reoperation, and 30-day readmission. RESULTS Of 720 consecutive patients who underwent AWR during the study period, 194 (26.9%) underwent AWR following resection of abdominal wall tumors. In adjusted analyses, patients who had AWR after extirpative resection were more likely to have longer LOS (β, 2.57; 95%CI, 1.27 to 3.86, p < 0.001) than those with primary herniorrhaphy, but the risk of HR, SSO, SSI, 30-day readmission, and reoperation did not differ significantly. In the extirpative cohort, obesity (Hazard ratio, 6.48; p = 0.003), and bridged repair (Hazard ratio, 3.50; p = 0.004) were predictors of HR. Radiotherapy (OR, 2.23; p = 0.017) and diabetes mellites (OR, 3.70; p = 0.005) were predictors of SSOs. Defect width (OR, 2.30; p < 0.001) and mesh length (OR, 3.32; p = 0.046) were predictors of SSIs. Concomitant intra-abdominal surgery for active disease was not associated with worse outcomes. CONCLUSIONS AWR with ADM following extirpative resection demonstrated outcomes comparable with primary herniorrhaphy. Preoperative risk assessment and optimization are imperative for improving outcomes.
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Muacevic A, Adler JR, Eiró V, Nunes da Costa J. Dermal Matrices: Do We Always Know What Is Going On? Cureus 2022; 14:e31979. [PMID: 36582564 PMCID: PMC9795081 DOI: 10.7759/cureus.31979] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 11/28/2022] [Indexed: 11/29/2022] Open
Abstract
The use of dermal matrices in abdominal wall reconstruction has gained increased attention over time, particularly in contaminated fields. One of their advantages is the greater capacity to resist infection. We report a case of a 36-year-old man, with congenital bladder exstrophy and neobladder reconstruction during childhood. He presented to us with an abdominal hernia associated with a vesicocutaneous fistula. We used a bovine-derived dermal matrix (SurgiMend®, TEI Biosciences, MA, USA) for reinforcement of the abdominal repair considering its laboratory-proven mechanical superiority regarding strength. The early postoperative period was complicated by an infection that led to mesh disintegration and the need for surgical revision. We believe that matrix digestion by bacterial enzymes culminated in rapid breakdown of the product. Further investigations are warranted to determine optimal selection criteria and indications of bioprosthesis in contaminated wounds. Surgeons should be cautious when selecting a biologic mesh in these cases, favoring meshes with a better integration profile.
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Evaluation of Xenograft Efficacy in Immediate Prosthesis-based Breast Reconstruction. Plast Reconstr Surg Glob Open 2022; 10:e4534. [PMID: 36187275 PMCID: PMC9521749 DOI: 10.1097/gox.0000000000004534] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/18/2022] [Accepted: 07/18/2022] [Indexed: 12/03/2022]
Abstract
The advent of acellular dermal matrix (ADM) has revolutionized prosthesis-based breast reconstruction. However, paucity of human cadaveric tissue has resulted in limitation of supply and increased associated costs, prompting concerted effort to identify xenograft alternatives. Although studies have examined the safety of Artia, a porcine-derived ADM, few have evaluated its clinical efficacy as soft tissue reinforcement. This study uniquely evaluates the clinical efficacy of Artia in implant-based breast reconstruction.
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Zhou H, Shen Y, Zhang Z, Liu X, Zhang J, Chen J. Comparison of outcomes of ventral hernia repair using different meshes: a systematic review and network meta-analysis. Hernia 2022; 26:1561-1571. [PMID: 35925502 DOI: 10.1007/s10029-022-02652-4] [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: 04/22/2022] [Accepted: 07/14/2022] [Indexed: 11/30/2022]
Abstract
PURPOSE We conducted a network meta-analysis to evaluate potential differences in patient outcomes when different meshes, especially biological meshes, were used for ventral hernia repair. METHODS PubMed, Embase, Cochrane Library, and Clinical Trials.gov databases were searched for studies comparing biological meshes with biological or synthetic meshes for ventral hernia repair. The outcomes were hernia recurrence rate, surgical site infection, and seroma. We performed a two-step network meta-analysis to investigate the outcomes of several biological meshes: non-cross-linked human acellular dermal matrix (NCHADM), non-cross-linked porcine ADM (NCPADM), non-cross-linked bovine ADM (NCBADM), cross-linked porcine ADM (CPADM), and porcine small intestinal submucosa (PSIS). RESULTS From 6304 publications, 23 studies involving 2603 patients were finally included. We found no differences between meshes in recurrence at 1-year follow-up and in surgical site infection rate. NCBADM was associated with the lowest recurrence rate and the lowest surgical site infection rate. NCHADM implantation was associated with the lowest rate of seroma. PSIS was associated with a higher risk of seroma than NCHADM (pooled risk ratio 3.89, 95% confidence interval 1.13-13.39) and NCPADM (RR 3.42, 95% CI 1.29-9.06). CONCLUSIONS Our network meta-analysis found no differences in recurrence rate or surgical site infection among different biological meshes. The incidence of postoperative seroma was higher with PSIS than with acellular dermal matrices. We observed large heterogeneity in the studies of ventral hernia repair using biological meshes, and, therefore, well-designed randomized clinical trials are needed.
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Affiliation(s)
- H Zhou
- The Third Clinical Medical School of Capital Medical University, 8 Gongren Tiyuchang Nanlu, Chaoyang District, Beijing, 100020, China
| | - Y Shen
- Department of Hernia and Abdominal Wall Surgery, Beijing Chaoyang Hospital, Capital Medical University, 8 Gongren Tiyuchang Nanlu, Chaoyang District, Beijing, 100020, China
| | - Z Zhang
- The Third Clinical Medical School of Capital Medical University, 8 Gongren Tiyuchang Nanlu, Chaoyang District, Beijing, 100020, China
| | - X Liu
- Department of Hernia and Abdominal Wall Surgery, Beijing Chaoyang Hospital, Capital Medical University, 8 Gongren Tiyuchang Nanlu, Chaoyang District, Beijing, 100020, China
| | - J Zhang
- Department of General Surgery, Changzheng Hospital, Second Military Medical University, 415 Fengyang Road, Shanghai, 200003, China.
| | - J Chen
- Department of Hernia and Abdominal Wall Surgery, Beijing Chaoyang Hospital, Capital Medical University, 8 Gongren Tiyuchang Nanlu, Chaoyang District, Beijing, 100020, China.
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Van Orden K, Santos J, Stanfield B, Frost LS, Ruditsky A, Foster A, Brahmbhatt TS, Burke PA, Fernandez-Moure J, Haines K, Agarwal S, Kasotakis G. Bovine versus porcine acellular dermal matrix for abdominal wall herniorrhaphy or bridging. Eur J Trauma Emerg Surg 2022; 48:1993-2001. [PMID: 33712893 DOI: 10.1007/s00068-021-01641-z] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/10/2021] [Accepted: 03/03/2021] [Indexed: 10/21/2022]
Abstract
BACKGROUND The management of complicated ventral hernias (CVH), namely ventral hernias in actively or recently infected/contaminated operative fields, and open abdomens in which the native fascia cannot be primarily reapproximated, pose a surgical challenge. Fetal Bovine and Porcine Acellular Dermal Matrix (BADM and PADM) biologic meshes are being increasingly used in these scenarios. A comparison, however, of clinically relevant outcomes between the two is lacking. With this investigation, we aim to review and compare clinically relevant outcomes in patients that underwent abdominal wall herniorrhaphy with either BADM or PADM at a tertiary urban academic institution over a 5-year period. METHODS Patients who had a BADM or PADM implanted during CVH over a 5-year period at a tertiary urban academic hospital were identified. Baseline clinical and hernia characteristics, as well as postoperative outcomes were compared after a retrospective chart review. Phone interviews were also conducted to assess for recurrence, followed by in-person visits as indicated. Cox Proportional Hazard regression was fitted to identify risk factors for recurrence. RESULTS Of the 140 patients who underwent biologic mesh implantation for CVH, 109 were for ventral hernia repair and 31 for open abdomen bridging. Mean age was 52.7 ± 14.2 and males constituted 57.9% of our sample, while 25.1% had undergone > 5 prior abdominal operations. Thirty percent were active smokers, and another 30% required emergency surgery. Only immunosuppression was a risk factor for recurrence [HR 13.3 (1.04-169.2), p = 0.047] on Cox Proportional Hazard regression, while mesh selection had no effect. CONCLUSIONS Both BADM and PADM meshes perform well in CVH, with satisfactory recurrence rates, only slightly higher compared to traditional synthetic mesh repairs.
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Affiliation(s)
- Kathryn Van Orden
- Division of Trauma, Acute Care Surgery and Surgical Critical Care, Boston Medical Center, Boston University School of Medicine, Boston, MA, 02118, USA
| | - Jeffrey Santos
- Division of Trauma, Acute Care Surgery and Surgical Critical Care, Boston Medical Center, Boston University School of Medicine, Boston, MA, 02118, USA
| | - Brent Stanfield
- Department of Surgery, Division of Trauma, Acute Care Surgery and Surgical Critical Care, Duke University Medical Center, Duke University School of Medicine, 40 Duke Medicine Circle, Duke South, #1557A, Durham, NC, 27710, USA
| | | | - Alexander Ruditsky
- Division of Trauma, Acute Care Surgery and Surgical Critical Care, Boston Medical Center, Boston University School of Medicine, Boston, MA, 02118, USA
| | - Andrea Foster
- Division of Trauma, Acute Care Surgery and Surgical Critical Care, Boston Medical Center, Boston University School of Medicine, Boston, MA, 02118, USA
| | - Tejal S Brahmbhatt
- Division of Trauma, Acute Care Surgery and Surgical Critical Care, Boston Medical Center, Boston University School of Medicine, Boston, MA, 02118, USA
| | - Peter A Burke
- Division of Trauma, Acute Care Surgery and Surgical Critical Care, Boston Medical Center, Boston University School of Medicine, Boston, MA, 02118, USA
| | - Joseph Fernandez-Moure
- Department of Surgery, Division of Trauma, Acute Care Surgery and Surgical Critical Care, Duke University Medical Center, Duke University School of Medicine, 40 Duke Medicine Circle, Duke South, #1557A, Durham, NC, 27710, USA
| | - Krista Haines
- Department of Surgery, Division of Trauma, Acute Care Surgery and Surgical Critical Care, Duke University Medical Center, Duke University School of Medicine, 40 Duke Medicine Circle, Duke South, #1557A, Durham, NC, 27710, USA
| | - Suresh Agarwal
- Department of Surgery, Division of Trauma, Acute Care Surgery and Surgical Critical Care, Duke University Medical Center, Duke University School of Medicine, 40 Duke Medicine Circle, Duke South, #1557A, Durham, NC, 27710, USA
| | - George Kasotakis
- Department of Surgery, Division of Trauma, Acute Care Surgery and Surgical Critical Care, Duke University Medical Center, Duke University School of Medicine, 40 Duke Medicine Circle, Duke South, #1557A, Durham, NC, 27710, USA.
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Hassan AM, Asaad M, Shah NR, Egro FM, Liu J, Maricevich RS, Selber JC, Hanasono MM, Butler CE. Comparison of Outcomes of Abdominal Wall Reconstruction Performed by Surgical Fellows vs Faculty. JAMA Netw Open 2022; 5:e2212444. [PMID: 35579898 PMCID: PMC9115612 DOI: 10.1001/jamanetworkopen.2022.12444] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 01/23/2022] [Accepted: 03/22/2022] [Indexed: 11/14/2022] Open
Abstract
Importance Concern regarding surgical trainees' operative autonomy has increased in recent years, emphasizing patient safety and preparation for independent practice. Regarding abdominal wall reconstruction (AWR), long-term outcomes of fellow autonomy have yet to be delineated. Objectives To evaluate the long-term outcomes of AWRs performed by fellows and compare them with those of AWRs performed by assistant, associate, and senior-level professors. Design, Setting, and Participants This retrospective cohort study included patients who underwent AWR for ventral hernias or repair of tumor resection defects at a 710-bed tertiary cancer center between March 1, 2005, and June 30, 2019. The analysis was conducted between January 2020 and December 2021. Exposure Academic rank of primary surgeon. Main Outcomes and Measures The primary outcome was hernia recurrence. Secondary outcomes were surgical site occurrence, surgical site infection, length of hospital stay, unplanned return to the operating room, and 30-day readmission. Multivariable hierarchical models were constructed to identify predictive factors. Results Of 810 consecutive patients, 720 (mean [SD] age, 59.8 [11.5] years; 375 female [52.1%]) met the inclusion criteria. Mean (SD) body mass index was 31.4 (6.7), and mean (SD) follow-up time was 42 (29) months. Assistant professors performed the most AWRs (276 [38.3%]), followed by associate professors (169 [23.5%]), senior-level professors (157 [21.8%]), and microsurgical fellows (118 [16.4%]). Compared with fellows and more junior surgeons, senior-level professors tended to operate on significantly older patients (mean [SD] age, 59.9 [10.9] years; P = .03), more patients with obesity (103 [65.6%]; P = .003), and patients with larger defects (247.9 [216.0] cm; P < .001), parastomal hernias (27 [17.2%]; P = .001), or rectus muscle violation (53 [33.8%]; P = .03). No significant differences were found for hernia recurrence, surgical site occurrence, surgical site infection, 30-day readmission rates, or length of stay among the fellows and assistant, associate, and senior-level professors in adjusted models. Compared with fellows, assistant professors (OR, 0.22; 95% CI, 0.08-0.64) and senior-level professors (OR, 0.20; 95% CI, 0.06-0.69) had lower rates of unplanned return to the operating room. Conclusions and Relevance This cohort study provides evidence-based reassurance that providing fellows with autonomy in performing AWRs does not compromise long-term patient outcomes. These findings may incite efforts to increase appropriate surgical trainee autonomy, thereby empowering future generations of competent, independent surgeons.
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Affiliation(s)
- Abbas M. Hassan
- Department of Plastic and Reconstructive Surgery, The University of Texas MD Anderson Cancer Center, Houston
| | - Malke Asaad
- Department of Plastic and Reconstructive Surgery, The University of Texas MD Anderson Cancer Center, Houston
- Department of Plastic Surgery, University of Pittsburgh Medical Center, Pittsburgh, Pennsylvania
| | - Nikhil R. Shah
- Department of Surgery, The University of Texas Medical Branch, Galveston
| | - Francesco M. Egro
- Department of Plastic and Reconstructive Surgery, The University of Texas MD Anderson Cancer Center, Houston
- Department of Plastic Surgery, University of Pittsburgh Medical Center, Pittsburgh, Pennsylvania
| | - Jun Liu
- Department of Plastic and Reconstructive Surgery, The University of Texas MD Anderson Cancer Center, Houston
| | | | - Jesse C. Selber
- Department of Plastic and Reconstructive Surgery, The University of Texas MD Anderson Cancer Center, Houston
| | - Matthew M. Hanasono
- Department of Plastic and Reconstructive Surgery, The University of Texas MD Anderson Cancer Center, Houston
| | - Charles E. Butler
- Department of Plastic and Reconstructive Surgery, The University of Texas MD Anderson Cancer Center, Houston
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Petrie K, Cox CT, Becker BC, MacKay BJ. Clinical applications of acellular dermal matrices: A review. Scars Burn Heal 2022; 8:20595131211038313. [PMID: 35083065 PMCID: PMC8785275 DOI: 10.1177/20595131211038313] [Citation(s) in RCA: 18] [Impact Index Per Article: 9.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/13/2022] Open
Abstract
INTRODUCTION The extracellular matrix (ECM) plays an integral role in wound healing. It provides both structure and growth factors that allow for the organised cell proliferation. Large or complex tissue defects may compromise host ECM, creating an environment that is unfavourable for the recovery of anatomical function and appearance. Acellular dermal matrices (ADMs) have been developed from a variety of sources, including human (HADM), porcine (PADM) and bovine (BADM), with multiple different processing protocols. The objective of this report is to provide an overview of current literature assessing the clinical utility of ADMs across a broad spectrum of applications. METHODS PubMed, MEDLINE, EMBASE, Scopus, Cochrane and Web of Science were searched using keywords 'acellular dermal matrix', 'acellular dermal matrices' and brand names for commercially available ADMs. Our search was limited to English language articles published from 1999 to 2020 and focused on clinical data. RESULTS A total of 2443 records underwent screening. After removing non-clinical studies and correspondence, 222 were assessed for eligibility. Of these, 170 were included in our synthesis of the literature. While the earliest ADMs were used in severe burn injuries, usage has expanded to a number of surgical subspecialties and procedures, including orthopaedic surgery (e.g. tendon and ligament reconstructions), otolaryngology, oral surgery (e.g. treating gingival recession), abdominal wall surgery (e.g. hernia repair), plastic surgery (e.g. breast reconstruction and penile augmentation), and chronic wounds (e.g. diabetic ulcers). CONCLUSION Our understanding of ADM's clinical utility continues to evolve. More research is needed to determine which ADM has the best outcomes for each clinical scenario. LAY SUMMARY Large or complex wounds present unique reconstructive and healing challenges. In normal healing, the extracellular matrix (ECM) provides both structural and growth factors that allow tissue to regenerate in an organised fashion to close the wound. In difficult or large soft-tissue defects, however, the ECM is often compromised. Acellular dermal matrix (ADM) products have been developed to mimic the benefits of host ECM, allowing for improved outcomes in a variety of clinical scenarios. This review summarises the current clinical evidence regarding commercially available ADMs in a wide variety of clinical contexts.
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Affiliation(s)
- Kyla Petrie
- Texas Tech University Health Sciences Center, Lubbock, TX, USA
| | - Cameron T Cox
- Texas Tech University Health Sciences Center, Lubbock, TX, USA
| | | | - Brendan J MacKay
- Texas Tech University Health Sciences Center, Lubbock, TX, USA.,University Medical Center, Lubbock, TX, USA
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Asaad M, Selber JC, Adelman DM, Baumann DP, Hassid VJ, Crosby MA, Liu J, Butler CE, Clemens MW. Allograft vs Xenograft Bioprosthetic Mesh in Tissue Expander Breast Reconstruction: A Blinded Prospective Randomized Controlled Trial. Aesthet Surg J 2021; 41:NP1931-NP1939. [PMID: 33693461 DOI: 10.1093/asj/sjab115] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/12/2022] Open
Abstract
BACKGROUND With the increased use of acellular dermal matrix (ADM) in breast reconstruction, the number of available materials has increased. There is a relative paucity of high-quality outcomes data for use of different ADMs. OBJECTIVES The goal of this study was to compare the outcomes between a human (HADM) and a bovine ADM (BADM) in implant-based breast reconstruction. METHODS A prospective, single-blinded, randomized controlled trial was conducted to evaluate differences in outcomes between HADM and BADM for patients undergoing immediate tissue expander breast reconstruction. Patients with prior radiation to the index breast were excluded. Patient and surgical characteristics were collected and analyzed. RESULTS From April 2011 to June 2016, a total of 90 patients were randomized to a mesh group, with 68 patients (HADM, 36 patients/55 breasts; BADM, 32 patients/48 breasts) included in the final analysis. Baseline characteristics were similar between the 2 groups. No significant differences in overall complication rates were identified between HADM (n = 14, 25%) and BADM (n = 13, 27%) (P = 0.85). Similar trends were identified for major complications and complications requiring reoperation. Tissue expander loss was identified in 7% of HADM patients (n = 4) and 17% of BADM patients (n = 8) (P = 0.14). CONCLUSIONS Similar complication and implant loss rates were found among patients undergoing immediate tissue expander breast reconstruction with HADM or BADM. Regardless of what material is used, careful patient selection and counseling, and cost consideration, help to improve outcomes and sustainability in immediate breast reconstruction. LEVEL OF EVIDENCE: 2
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Affiliation(s)
- Malke Asaad
- Department of Plastic Surgery, The University of Texas MD Anderson Cancer Center, Houston, TX, USA
| | - Jesse C Selber
- Department of Plastic Surgery, The University of Texas MD Anderson Cancer Center, Houston, TX, USA
| | - David M Adelman
- Department of Plastic Surgery, The University of Texas MD Anderson Cancer Center, Houston, TX, USA
| | - Donald P Baumann
- Department of Plastic Surgery, The University of Texas MD Anderson Cancer Center, Houston, TX, USA
| | - Victor J Hassid
- Department of Plastic Surgery, The University of Texas MD Anderson Cancer Center, Houston, TX, USA
| | - Melissa A Crosby
- Department of Plastic Surgery, The University of Texas MD Anderson Cancer Center, Houston, TX, USA
| | - Jun Liu
- Department of Plastic Surgery, The University of Texas MD Anderson Cancer Center, Houston, TX, USA
| | - Charles E Butler
- Department of Plastic Surgery, The University of Texas MD Anderson Cancer Center, Houston, TX, USA
| | - Mark W Clemens
- Department of Plastic Surgery, The University of Texas MD Anderson Cancer Center, Houston, TX, USA
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Lightfoot RW, Thrash C, Thompson S, Richmond BK. A Comparison of Component Separation With Porcine Acellular Dermal Reinforcement to Bovine Acellular Dermal Matrix in the Repair of Significant Midline Ventral Hernia Defects. Am Surg 2021:31348211050844. [PMID: 34772290 DOI: 10.1177/00031348211050844] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/15/2022]
Abstract
BACKGROUND The optimal material for reinforcement of complex abdominal ventral hernia repair (VHR) remains controversial. Biologic prostheses such as porcine and bovine acellular dermal matrix (PADM/BADM) have shown favorable results, but few head-to-head comparisons between the two types exist. We sought to provide such a comparison. METHODS We performed a retrospective cohort study comparing 40 consecutive patients who underwent open component separation (CS/VHR) with PADM reinforcement to 39 consecutive patients who underwent open CS/VHR with BADM reinforcement at our institution. Patient characteristics, outcomes, complications, reoperations, and hernia recurrences were obtained by chart review. Fisher's exact and t-test analyses compared patient characteristics and outcomes between the 2 cohorts. Statistical significance was set as P < .05. RESULTS Patient groups did not differ significantly in race (P=.36), age (P=.8), BMI (P=.34), sex (P=.09), steroid usage (p-1.00), COPD (P=.43), number of previous abdominal operations (P=.66), and duration of follow-up (P=.65). There were significantly more smokers in the PADM group (37.5% vs 12.8%, P=.01). Mean defect size was significantly greater in the PADM group (372.5 cm2 vs 292. cm2 in the BADM group, P=.001) as was the number of Ventral Hernia Working Group (VHWG) grade III/IV hernias (65.0% vs 38.4%, P=.02). Recurrence rates were lower in the BADM group, (12.5% vs 5.1%, P=.26), as was recurrence or complications requiring reoperation (17.5% vs 5.1%, P=.15). Postoperative wound events were also significantly lower in the BADM group (30.0% vs 2.6%, P=.001). CONCLUSIONS In our series, CS/BADM was associated with significantly fewer wound complications. Recurrences and complications requiring reoperation were also fewer, which trended toward but did not reach statistical significance, presumably due to the small sample size. These findings indicating superiority of BADM over PADM are potentially confounded by the higher percentage of smokers, the larger mean defect size, and the higher number of VHWG III/IV patients in the PADM group. Further prospective study of these findings is warranted.
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Affiliation(s)
- Robert W Lightfoot
- Department of Surgery, 20205Charleston Area Medical Center, Charleston, WV, USA
| | - Caleb Thrash
- Department of Surgery, 20205Charleston Area Medical Center, Charleston, WV, USA
| | - Stephanie Thompson
- Charleston Area Medical Center - Health Education and Research Institute, 20205Charleston Area Medical Center, Charleston, WV, USA
| | - Bryan K Richmond
- Department of Surgery, 37297West Virginia University/Charleston Division and the CAMC Institute for Academic Medicine, Charleston, WV, USA
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Chen H, Yin B, Hu B, Zhang B, Liu J, Jing Y, Fan Z, Tian Y, Wei X, Zhang W. Acellular fish skin enhances wound healing by promoting angiogenesis and collagen deposition. Biomed Mater 2021; 16. [PMID: 33730695 DOI: 10.1088/1748-605x/abef7a] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/30/2020] [Accepted: 03/17/2021] [Indexed: 12/20/2022]
Abstract
Acellular matrix is a type of promising biomaterial for wound healing promotion. Although acellular bovine and porcine tissues have proven effective, religious restrictions and risks of disease transmission remain barriers to their clinical use. Acellular fish skin (AFS), given its similarity to human skin structure and without the aforementioned disadvantages, is thus seen as an attractive alternative. This study aims to fabricate AFS from the skin of black carp (Mylopharyngodon piceus), evaluate its physical and mechanical properties and assess its impact on wound healing. The results showed that AFS has a highly porous structure, along with high levels of hydrophilicity, water-absorption property and permeability. Furthermore, physical characterization showed the high tensile strength of AFS in dry and wet states, and high stitch tear resistance, indicating great potential in clinical applications. Cell Counting Kit-8 was used to test the viability of L929 cells when culturing in the extracts of AFS. Compared with the control group, there is no significant difference in optical density value when culturing in the extracts of AFS at days 1, 3 and 7 (*p> 0.05).In vivowound healing evaluation then highlighted its promotion of angiogenesis and collagen synthesis, its function in anti-inflammation and acceleration in wound healing. Therefore, this study suggests that AFS has potential as a promising alternative to mammal-derived or traditional wound dressing.
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Affiliation(s)
- Hongchi Chen
- Department of Orthopedic Surgery, Shanghai Jiao Tong University Affiliated Sixth People's Hospital, 600 Yishan Road, Shanghai 200233, People's Republic of China
| | - Bohao Yin
- Department of Orthopedic Surgery, Shanghai Jiao Tong University Affiliated Sixth People's Hospital, 600 Yishan Road, Shanghai 200233, People's Republic of China
| | - Bin Hu
- Institute of Microsurgery on Extremities, Shanghai Jiao Tong University Affiliated Sixth People's Hospital, 600 Yishan Road, Shanghai 200233, People's Republic of China
| | - Baokun Zhang
- Department of Orthopedic Surgery, Shanghai Jiao Tong University Affiliated Sixth People's Hospital, 600 Yishan Road, Shanghai 200233, People's Republic of China
| | - Jingwen Liu
- Wuxi 9th People's Hospital Affiliated to Soochow University, 999 Liangxi Road, Wuxi 214100, People's Republic of China
| | - Yingzhe Jing
- Department of Orthopedic Surgery, Shanghai Jiao Tong University Affiliated Sixth People's Hospital, 600 Yishan Road, Shanghai 200233, People's Republic of China
| | - Zhiyuan Fan
- Department of Orthopedic Surgery, Shanghai Jiao Tong University Affiliated Sixth People's Hospital, 600 Yishan Road, Shanghai 200233, People's Republic of China
| | - Yuchen Tian
- Department of Orthopedic Surgery, Shanghai Jiao Tong University Affiliated Sixth People's Hospital, 600 Yishan Road, Shanghai 200233, People's Republic of China
| | - Xiaojuan Wei
- Institute of Microsurgery on Extremities, Shanghai Jiao Tong University Affiliated Sixth People's Hospital, 600 Yishan Road, Shanghai 200233, People's Republic of China
| | - Wei Zhang
- Department of Orthopedic Surgery, Shanghai Jiao Tong University Affiliated Sixth People's Hospital, 600 Yishan Road, Shanghai 200233, People's Republic of China
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Samson DJ, Gachabayov M, Latifi R. Biologic Mesh in Surgery: A Comprehensive Review and Meta-Analysis of Selected Outcomes in 51 Studies and 6079 Patients. World J Surg 2021; 45:3524-3540. [PMID: 33416939 DOI: 10.1007/s00268-020-05887-3] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 11/14/2020] [Indexed: 12/14/2022]
Abstract
BACKGROUND In recent decades, biologic mesh (BM) has become an important adjunct to surgical practice. Recent evidence-based clinical applications of BM include but are not limited to: reconstruction of abdominal wall defects; breast reconstruction; face, head and neck surgery; periodontal surgery; other hernia repairs (diaphragmatic, hiatal/paraesophageal, inguinal and perineal); hand surgery; and shoulder arthroplasty. Prior systematic reviews of BM in complex abdominal wall hernia repair had several shortcomings that our comprehensive review seeks to address, including exclusion of laparoscopic repair, assessment of risk of bias, use of an acceptable meta-analytic method and review of risk factors identified in multivariable regression analyses. MATERIALS AND METHODS We sought articles of BM for open ventral hernia repair reporting on early complications, late complications or recurrences and included minimum of 50. We used the quality in prognostic studies risk of bias assessment tool. Random effects meta-analysis was applied. RESULTS This comprehensive review selected 62 articles from 51 studies that included 6,079 patients. Meta-analytic pooling found that early complications are present in about 50%, surgical site occurrences (SSOs) in 37%, surgical site infections (SSIs) in 18%, reoperation in 7%, readmission in 20% and mortality in 3%. Meta-analytic estimates of late outcomes included overall complications (42%), SSOs (40%) and SSIs (22%). Specific SSOs included seroma (14%), hematoma (4%), abscess (10%), necrosis (5%), dehiscence (8%) and fistula formation (5%). Reoperation occurred in about 17%, mesh explantation in 9% and recurrence in 36%. CONCLUSION Estimates of nearly all outcomes from individual studies were highly heterogeneous and sensitivity analyses and meta-regressions generally failed to explain this heterogeneity. Recurrence is the only outcome for which there are consistent findings for risk factors. Bridge placement of BM is associated with higher risk of recurrence. Prior hernia repair, history of reintervention and history of mesh removal were also risk factors for increased recurrence.
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Affiliation(s)
- David J Samson
- Department of Surgery, Westchester Medical Center, 100 Woods Road, Taylor Pavilion, Suite D-353, Valhalla, NY, 10595, USA
| | - Mahir Gachabayov
- Department of Surgery, New York Medical College, School of Medicine, Valhalla, NY, 10595, USA
| | - Rifat Latifi
- Department of Surgery, Westchester Medical Center, 100 Woods Road, Taylor Pavilion, Suite D-353, Valhalla, NY, 10595, USA. .,Department of Surgery, New York Medical College, School of Medicine, Valhalla, NY, 10595, USA.
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Development of an evidence-based approach to the use of acellular dermal matrix in immediate expander-implant-based breast reconstruction. J Plast Reconstr Aesthet Surg 2020; 74:30-40. [PMID: 33172826 DOI: 10.1016/j.bjps.2020.10.005] [Citation(s) in RCA: 19] [Impact Index Per Article: 4.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/29/2020] [Revised: 07/20/2020] [Accepted: 10/10/2020] [Indexed: 11/20/2022]
Abstract
BACKGROUND Although acellular dermal matrix (ADM) is widely used in expander-implant-based breast reconstructions, previous analyses have been unable to demonstrate improvements in patient-reported outcomes (PROs) with this approach over non-ADM procedures. This study aims to develop a more selective, evidence-based approach to the use of ADM in expander-implant-based breast reconstruction by identifying patient subgroups in which ADM improved clinical outcomes and PROs. STUDY DESIGN The Mastectomy Reconstruction Outcomes Consortium Study prospectively evaluated immediate expander-implant reconstructions at 11 centers from 2012 to 2015. Complications (any/overall and major), and PROs (satisfaction, physical, psychosocial, and sexual well-being) were assessed two years postoperatively using medical records and the BREAST-Q, respectively. Using mixed-models accounting for centers and with interaction terms, we analyzed for differential ADM effects across various clinical subgroups, including age, body mass index, radiation timing, and chemotherapy. RESULTS Expander-implant-based breast reconstruction was performed in 1451 patients, 738 with and 713 without ADM. Major complication risk was higher in ADM users vs. nonusers (22.9% vs. 16.4% and p = 0.04). Major complication risk with ADM increased with higher BMI (BMI=30, OR=1.70; BMI=35, OR=2.29, interaction p = 0.02). No significant ADM effects were observed for breast satisfaction, psychosocial, sexual, and physical well-being within any subgroups. CONCLUSION In immediate expander-implant-based breast reconstruction, ADM was associated with a greater risk of major complications, particularly in high-BMI patients. We were unable to identify patient subgroups where ADM was associated with significant improvements in PROs. Given these findings and the financial costs of ADM, a more critical approach to the use of ADM in expander-implant reconstruction may be warranted.
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Lindsey JT, Boyd CJ, Davis CB, Wilson JT, Kurapati S, de la Torre JI. Alloderm and Cortiva Have Similar Perioperative Wound Complications in Abdominal Wall Reconstruction. J Surg Res 2020; 255:255-260. [DOI: 10.1016/j.jss.2020.05.060] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/25/2020] [Revised: 05/13/2020] [Accepted: 05/18/2020] [Indexed: 11/26/2022]
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Post-Oncologic Abdominal Wall Reconstruction: Mesh Versus Autologous Tissue. CURRENT SURGERY REPORTS 2020. [DOI: 10.1007/s40137-020-00272-4] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/23/2022]
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Fundamentals of Extracellular Matrix Biomaterial Assimilation: Effect of Suture Type on Attachment Strength and Cell Repopulation. PLASTIC AND RECONSTRUCTIVE SURGERY-GLOBAL OPEN 2020; 8:e2635. [PMID: 32537327 PMCID: PMC7253251 DOI: 10.1097/gox.0000000000002635] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/16/2019] [Accepted: 12/04/2019] [Indexed: 01/10/2023]
Abstract
The clinical results with extracellular matrix biomaterials are confounded by expectations of material response based on years of experience with permanent or degradable synthetic polymers. However, the remodeling or assimilation of extracellular matrix biomaterials is dictated by cell-mediated processes rather than fibrous encapsulation or hydrolytic degradation. Previously, we found that tissue adherence and revascularization were dictated by proximity with de-epithelialized host tissue. We now investigate the effects of polymer and fixation type on attachment strength and rate of cell repopulation in an intra-abdominal implant model.
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Cornwell KG, Jessee CB, Adelman DM. Clinically available reinforcing materials for soft tissue reconstruction. Br J Hosp Med (Lond) 2020; 81:1-10. [PMID: 32240006 DOI: 10.12968/hmed.2018.0428b] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/29/2022]
Abstract
Navigating the rapidly evolving field of materials for soft tissue reinforcement is challenging given the volume of clinically available options. Additionally, the current generally accepted classifications of these mesh materials confound the understanding of their utility by grouping disparate materials that have attributes overlapping category boundaries and that do not fully consider their clinically functionality. This review article highlights, from a materials science perspective, the most important attributes of these materials to improve the clinical decision-making process in the selection of the most appropriate features and design for the patient, surgery and clinical need. These characteristics include the physical attributes that directly impact the surgical procedure and immediate postoperative mechanical requirements as well as the post-implantation properties such as an adequate reinforcement time, strength of the resulting tissue and infection risk profile.
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Affiliation(s)
| | | | - David M Adelman
- MD Anderson Cancer Center, University of Texas, Houston, Texas, USA
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Boukovalas S, Sisk G, Selber JC. Erratum: Addendum: Abdominal Wall Reconstruction: An Integrated Approach. Semin Plast Surg 2019; 32:199-202. [PMID: 31329738 DOI: 10.1055/s-0038-1673696] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/28/2022]
Abstract
[This corrects the article DOI: 10.1055/s-0038-1667062.].
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Affiliation(s)
- Stefanos Boukovalas
- Department of Plastic Surgery, University of Texas MD Anderson Cancer Center, Houston, Texas
| | - Geoffrey Sisk
- Department of Plastic Surgery, University of Texas MD Anderson Cancer Center, Houston, Texas
| | - Jesse C Selber
- Department of Plastic Surgery, University of Texas MD Anderson Cancer Center, Houston, Texas
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Choi EJ, Kim EK. Abdominal Wall Reconstruction with Component Separation. JOURNAL OF ACUTE CARE SURGERY 2018. [DOI: 10.17479/jacs.2018.8.2.43] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/08/2022] Open
Affiliation(s)
- Eun Jeong Choi
- Department of Plastic Surgery, Asan Medical Center, University of Ulsan College of Medicine, Seoul, Korea
| | - Eun Key Kim
- Department of Plastic Surgery, Asan Medical Center, University of Ulsan College of Medicine, Seoul, Korea
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Bioprosthetic Versus Synthetic Mesh: Analysis of Tissue Adherence and Revascularization in an Experimental Animal Model. PLASTIC AND RECONSTRUCTIVE SURGERY-GLOBAL OPEN 2018; 6:e1713. [PMID: 29922542 PMCID: PMC5999432 DOI: 10.1097/gox.0000000000001713] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/23/2017] [Accepted: 01/22/2018] [Indexed: 12/03/2022]
Abstract
Supplemental Digital Content is available in the text. Background: Both synthetic and bioprosthetic meshes play important roles in surgical procedures such as ventral hernia repair. Although sometimes used interchangeably, these devices have inherently different properties. We therefore sought to better understand how these materials interact with the host environment to optimize surgical techniques and to improve outcomes. Methods: Synthetic mesh (polypropylene, Prolene) or bioprosthetic mesh (acellular fetal/neonatal bovine dermis, SurgiMend) was implanted intraperitoneally into rats lateral to a ventral incision in a novel intra-abdominal implant model. Two variables were modified with each material: (1) tight or loose tissue apposition, altered by modifying suture placement; and (2) abdominal wall injury, altered by selective abrasion of the peritoneal lining. After 5 weeks, the meshes and abdominal wall were evaluated grossly and histologically. The analysis focused on the degree of inflammatory response, neovascularization, and mesh adherence to the surrounding tissues. Results: Synthetic mesh adhered to the abdominal wall and visceral organs, regardless of the degree of apposition or tissue injury, due to a foreign body–mediated inflammatory reaction. In areas of noninjured peritoneal lining, SurgiMend was adherent peri-suture. Neovascularization entered the mesh from these apposition points and spread outward. In areas of denuded peritoneal lining, the adherent and vascularized areas were significantly greater and not merely coincident with suture placement. Conclusions: The inflammatory and wound healing responses with bioprosthetic mesh seem fundamentally different from synthetic mesh. Understanding these differences may lead to varied outcomes in adherence and vascularization of the materials, and ultimately the efficacy of hernia repair. Additionally, these differences highlight the need for further basic research to optimize mesh selection for surgical technique.
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Köckerling F, Alam NN, Antoniou SA, Daniels IR, Famiglietti F, Fortelny RH, Heiss MM, Kallinowski F, Kyle-Leinhase I, Mayer F, Miserez M, Montgomery A, Morales-Conde S, Muysoms F, Narang SK, Petter-Puchner A, Reinpold W, Scheuerlein H, Smietanski M, Stechemesser B, Strey C, Woeste G, Smart NJ. What is the evidence for the use of biologic or biosynthetic meshes in abdominal wall reconstruction? Hernia 2018; 22:249-269. [PMID: 29388080 PMCID: PMC5978919 DOI: 10.1007/s10029-018-1735-y] [Citation(s) in RCA: 101] [Impact Index Per Article: 16.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/19/2017] [Accepted: 01/11/2018] [Indexed: 01/28/2023]
Abstract
INTRODUCTION Although many surgeons have adopted the use of biologic and biosynthetic meshes in complex abdominal wall hernia repair, others have questioned the use of these products. Criticism is addressed in several review articles on the poor standard of studies reporting on the use of biologic meshes for different abdominal wall repairs. The aim of this consensus review is to conduct an evidence-based analysis of the efficacy of biologic and biosynthetic meshes in predefined clinical situations. METHODS A European working group, "BioMesh Study Group", composed of invited surgeons with a special interest in surgical meshes, formulated key questions, and forwarded them for processing in subgroups. In January 2016, a workshop was held in Berlin where the findings were presented, discussed, and voted on for consensus. Findings were set out in writing by the subgroups followed by consensus being reached. For the review, 114 studies and background analyses were used. RESULTS The cumulative data regarding biologic mesh under contaminated conditions do not support the claim that it is better than synthetic mesh. Biologic mesh use should be avoided when bridging is needed. In inguinal hernia repair biologic and biosynthetic meshes do not have a clear advantage over the synthetic meshes. For prevention of incisional or parastomal hernias, there is no evidence to support the use of biologic/biosynthetic meshes. In complex abdominal wall hernia repairs (incarcerated hernia, parastomal hernia, infected mesh, open abdomen, enterocutaneous fistula, and component separation technique), biologic and biosynthetic meshes do not provide a superior alternative to synthetic meshes. CONCLUSION The routine use of biologic and biosynthetic meshes cannot be recommended.
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Affiliation(s)
- F Köckerling
- Department of Surgery and Center of Minimally Invasive Surgery, Vivantes Hospital, 13585, Berlin, Germany.
| | - N N Alam
- Department of General Surgery, Manchester Royal Infirmary, Manchester, UK
| | - S A Antoniou
- Department of General Surgery, University Hospital of Heraklion, Heraklion, Greece
| | - I R Daniels
- Exeter Surgical Health Services Research Unit, Royal Devon & Exeter Hospital, Exeter, UK
| | - F Famiglietti
- Department of Abdominal Surgery, University Hospital Gasthuisberg Campus, Louvain, Belgium
| | - R H Fortelny
- Department of General Surgery, Wilhelminenspital, Medical Faculty, Sigmund Freud University, Vienna, Austria
| | - M M Heiss
- Department of Visceral-, Vascular and Transplantation Surgery, Cologne Merheim Medical Center, University Witten/Herdecke, Cologne, Germany
| | - F Kallinowski
- Department of General and Visceral Surgery, Regional Hospital Bergstrasse GmbH, Heppenheim, Germany
| | | | - F Mayer
- Department of Surgery, Paracelsus Medical University, Salzburg, Austria
| | - M Miserez
- Department of Abdominal Surgery, University Hospital Gasthuisberg Campus, Louvain, Belgium
| | - A Montgomery
- Department of Surgery, Skåne University Hospital, Malmö, Sweden
| | - S Morales-Conde
- Unit of Innovation in Minimally Invasive Surgery, Department of General und Digestive Surgery, University Hospital "Virgen del Rocio", Seville, Spain
| | - F Muysoms
- Department of Surgery, AZ Maria Middelares, Ghent, Belgium
| | - S K Narang
- Exeter Surgical Health Services Research Unit, Royal Devon & Exeter Hospital, Exeter, UK
| | - A Petter-Puchner
- Austrian Cluster of Tissue Regeneration, Ludwig Boltzmann Institute for Experimental and Clinical Traumatology, Vienna, Austria
| | - W Reinpold
- Department of Surgery and Hernia Center, Wilhelmsburger Hospital "Gross Sand", Hamburg, Germany
| | - H Scheuerlein
- Department of General and Visceral Surgery, St. Vincenz Hospital, Paderborn, Germany
| | - M Smietanski
- Department of Surgery & Hernia Centre, District Hospital in Puck, Medical University of Gdansk, Gdansk, Poland
- Department of Radiology, Medical University of Gdansk, Gdansk, Poland
| | | | - C Strey
- Department of Surgery, Friederiken-Hospital, Hanover, Germany
| | - G Woeste
- Department of Surgery, University Hospital, Frankfurt/Main, Germany
| | - N J Smart
- Exeter Surgical Health Services Research Unit, Royal Devon & Exeter Hospital, Exeter, UK
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Wells HC, Sizeland KH, Kirby N, Hawley A, Mudie S, Haverkamp RG. Acellular dermal matrix collagen responds to strain by intermolecular spacing contraction with fibril extension and rearrangement. J Mech Behav Biomed Mater 2018; 79:1-8. [DOI: 10.1016/j.jmbbm.2017.12.009] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/21/2017] [Revised: 11/28/2017] [Accepted: 12/06/2017] [Indexed: 11/30/2022]
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Chan JCY, Burugapalli K, Huang YS, Kelly JL, Pandit A. Cross-Linked Cholecyst-Derived Extracellular Matrix for Abdominal Wall Repair. Tissue Eng Part A 2018; 24:1190-1206. [PMID: 29448888 DOI: 10.1089/ten.tea.2017.0379] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/05/2023] Open
Abstract
Abdominal wall repair frequently utilizes either nondegradable or biodegradable meshes, which are found to stimulate undesirable biological tissue responses or which possess suboptimal degradation rate. In this study, a biologic mesh prototype made from carbodiimide cross-linked cholecyst-derived extracellular matrix (EDCxCEM) was compared with small intestinal submucosa (Surgisis®), cross-linked bovine pericardium (Peri-Guard®), and polypropylene (Prolene®) meshes in an in vivo rabbit model. The macroscopic appearance and stereological parameters of the meshes were evaluated. Tailoring the degradation of the EDCxCEM mesh prevents untimely degradation, while allowing cellular infiltration and mesh remodeling to take place in a slower but predictable manner. The results suggest that the cross-linked biodegradable cholecyst-derived biologic mesh results in no seroma formation, low adhesion, and moderate stretching of the mesh. In contrast to Surgisis, Peri-Guard, and Prolene meshes, the EDCxCEM mesh showed a statistically significant increase in the volume fraction (Vv) of collagen (from 34% to 52.1%) in the central fibrous tissue region at both day 28 and 56. The statistically high length density (Lv), of blood vessels for the EDCxCEM mesh at 28 days was reflected also by the higher cellular activity (high Vv of fibroblast and moderate Vv of nuclei) indicating remodeling of this region in the vicinity of a slowly degrading EDCxCEM mesh. The lack of mesh area stretching/shrinkage in the EDCxCEM mesh showed that the remodeled tissue was adequate to prevent hernia formation. The stereo-histological assays suggest that the EDCxCEM delayed degradation profile supports host wound healing processes including collagen formation, cellular infiltration, and angiogenesis. The use of cross-linked CEM for abdominal wall repair is promising.
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Affiliation(s)
- Jeffrey C Y Chan
- 1 Department of Plastic, Reconstructive and Hand Surgery, University Hospital Galway , Galway, Ireland .,2 CÚRAM, Centre for Research in Medical Devices, National University of Ireland , Galway, Ireland
| | - Krishna Burugapalli
- 3 Biomedical Engineering Department, Institute for Environment Health and Societies, Brunel University , Middlesex, United Kingdom
| | - Yi-Shiang Huang
- 2 CÚRAM, Centre for Research in Medical Devices, National University of Ireland , Galway, Ireland
| | - John L Kelly
- 1 Department of Plastic, Reconstructive and Hand Surgery, University Hospital Galway , Galway, Ireland .,2 CÚRAM, Centre for Research in Medical Devices, National University of Ireland , Galway, Ireland
| | - Abhay Pandit
- 2 CÚRAM, Centre for Research in Medical Devices, National University of Ireland , Galway, Ireland
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Extracellular Matrix Applications in the Treatment of Open Fractures With Complex Wounds and Large Soft Tissue Defects. J Orthop Trauma 2018; 32:e76-e80. [PMID: 29240612 DOI: 10.1097/bot.0000000000001034] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 02/02/2023]
Abstract
Use of biologic scaffolds such as extracellular matrix (ECM) is a promising trend in the treatment of complex wounds in orthopedic trauma patients. In this clinical series we describe the technique of the successful application of porcine urinary bladder ECM products in the treatment of open fractures of the extremities with complex wounds and large soft tissue defects. The clinical outcomes demonstrated that even in challenging cases where local flap coverage of bone or neurovascular structures is not possible, sequential xenograft implantation allowed us to achieve a stable soft tissue envelope. Different forms of ECM products are easy to apply in the presence of orthopedic hardware. In certain wounds, complete closure can be achieved even without subsequent skin grafting. We recommend relatively earlier application of xenograft.
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Outcomes of Muscle Brachialis Transfer to Restore Finger Flexion in Brachial Plexus Palsy. Plast Reconstr Surg 2017; 140:307e-317e. [PMID: 28746282 DOI: 10.1097/prs.0000000000003563] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/19/2022]
Abstract
BACKGROUND In adults with lower trunk brachial plexus injury, proximal nerve surgery for restoration of prehension demonstrates poor outcomes secondary to long distances required for nerve regeneration and time-dependent degradation of motor endplates. Options for reconstruction are limited to distal tendon or nerve transfers and free-functioning muscle transfers. In this article, the authors describe the long-term outcomes of brachialis muscle-to-flexor digitorum profundus transfer to restore prehension in patients with traumatic lower trunk brachial plexus injuries. METHODS Eighteen adult patients with lower trunk brachial plexus palsy underwent brachialis muscle-to-flexor digitorum profundus transfer with the goal of restoring rudimentary prehensile function at a single institution. The patients were followed throughout their recovery with functional outcomes and patient satisfaction ratings. RESULTS Brachialis muscle transfer resulted in restoring modified British Medical Research Council grade 3 or better function in 11 of 18 patients and grade 4 function in eight of 18 patients. Eleven of the 18 patients demonstrated a postoperative functional grasp for assistance with activities of daily living. Overall patient satisfaction following brachialis muscle transfer was 56 percent. Patient preoperative wrist extension (p < 0.018) and finger extension (p < 0.029) strength correlated with improved outcomes, whereas concomitant upper extremity fracture (p < 0.023) was associated with poorer outcomes. CONCLUSIONS Brachialis muscle transfer is an option for reconstruction of prehensile function in patients with lower trunk brachial plexus palsy with preserved wrist extension. Brachialis muscle transfer is particularly useful in patients who are poor candidates for microsurgical free-functioning muscle transfer for grasp; however, its functional outcomes are not universally successful. CLINICAL QUESTION/LEVEL OF EVIDENCE Therapeutic, IV.
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Latifi R, Samson D, Haider A, Azim A, Iftikhar H, Joseph B, Tilley E, Con J, Gashi S, El-Menyar A. Risk-adjusted adverse outcomes in complex abdominal wall hernia repair with biologic mesh: A case series of 140 patients. Int J Surg 2017; 43:26-32. [PMID: 28526657 DOI: 10.1016/j.ijsu.2017.05.031] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/13/2017] [Revised: 04/17/2017] [Accepted: 05/14/2017] [Indexed: 01/14/2023]
Abstract
INTRODUCTION Biologic mesh is preferred for repair of complex abdominal wall hernias (CAWHs) in patients at high risk of wound infection. We aimed to identify predictors of adverse outcomes after complex abdominal wall hernia repair (CAWR) using biologic mesh with different placement techniques and under different surgical settings. METHODS A retrospective case series study was conducted on all patients who underwent CAWR with biologic mesh between 2010 and 2015 at a tertiary medical center. RESULTS the study population included 140 patients with a mean age of 54 ± 14 years and a median follow up period 8.8 months. Mesh size ranged from 50 to 1225 cm2. Ninety percent of patients had undergone previous surgery. Type of surgery was classified as elective in 50.7%, urgent in 24.3% and emergent in 25.0% and a porcine mesh was implanted in 82.9%. The most common mesh placement technique was underlay (70.7%), followed by onlay (16.4%) and bridge (12.9%). Complications included wound complications (30.7%), reoperation (25.9%), hernia recurrence (20.7%), and mesh removal (10.0%). Thirty-two patients (23.0%) were admitted to the ICU and the mean hospital length of stay was 10.8 ± 17.5 days. Age-sex adjusted predictors of recurrence were COPD (OR 4.2; 95%CI 1.003-17.867) and urgent surgery (OR 10.5; 95%CI 1.856-59.469), whereas for reoperation, mesh size (OR 6.8; 95%CI 1.344-34.495) and urgent surgery (OR 5.2; 95%CI 1.353-19.723) were the predictors. CONCLUSIONS Using biologic mesh, one-quarter and one-fifth of CAWR patients are complicated with reoperation or recurrence, respectively. The operation settings and comorbidity may play a role in these outcomes regardless of the mesh placement techniques.
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Affiliation(s)
- Rifat Latifi
- Department of Surgery, Westchester Medical Center and New York Medical College, Valhalla, NY, USA; Department of Surgery, The University of Arizona, Tucson, AZ, USA.
| | - David Samson
- Department of Surgery, Westchester Medical Center and New York Medical College, Valhalla, NY, USA
| | - Ansab Haider
- Department of Surgery, Westchester Medical Center and New York Medical College, Valhalla, NY, USA
| | - Asad Azim
- Department of Surgery, The University of Arizona, Tucson, AZ, USA
| | - Hajira Iftikhar
- Department of Surgery, The University of Arizona, Tucson, AZ, USA
| | - Bellal Joseph
- Department of Surgery, The University of Arizona, Tucson, AZ, USA
| | - Elizabeth Tilley
- Department of Surgery, Westchester Medical Center and New York Medical College, Valhalla, NY, USA
| | - Jorge Con
- Department of Surgery, Westchester Medical Center and New York Medical College, Valhalla, NY, USA
| | - Saranda Gashi
- Department of Surgery, Westchester Medical Center and New York Medical College, Valhalla, NY, USA
| | - Ayman El-Menyar
- Department of Surgery, Westchester Medical Center and New York Medical College, Valhalla, NY, USA
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Polytetrafluoroethylene or Acellular Dermal Matrix for Diaphragmatic Reconstruction? Ann Thorac Surg 2017; 103:1710-1714. [PMID: 28366460 DOI: 10.1016/j.athoracsur.2017.01.006] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 10/18/2016] [Revised: 12/22/2016] [Accepted: 01/03/2017] [Indexed: 11/21/2022]
Abstract
BACKGROUND We aimed to evaluate the impact of collagen matrix in the reconstruction of the diaphragm. METHODS We queried the electronic medical record for patients who had resection of the diaphragm and simultaneous pulmonary resection between 1999 and 2016. All reconstructions were performed with either polytetrafluoroethylene or acellular dermal matrix. We evaluated the rate of empyema and herniation in each group. RESULTS A total of 208 patients met inclusion criteria. Polytetrafluoroethylene was used in 168 cases (80.8%) and dermal matrix in 40 cases (19.2%). Dermal matrix was used in 8 extrapleural pneumonectomies (5.4%), in 26 pleurectomy decortications (55.3%), and in 6 other types of resections (40%). Follow-ups were for a median of 15.0 months in the polytetrafluoroethylene group and 11.6 months in the dermal matrix group. Patients in the dermal matrix group had a chest tube for a median of 2.5 days longer than patients with polytetrafluoroethylene (p = 0.006). Empyema occurred in 11 polytetrafluoroethylene reconstructions (6.5%) and 3 dermal matrix reconstructions (7.5%) (p = 0.735). Seven patients (63.6%) with polytetrafluoroethylene infection required removal of the graft, whereas none in the dermal matrix group needed removal (p = 0.351). There were nine herniations in the polytetrafluoroethylene group and four in the dermal matrix group (p = 0.281), all were acute and due to anchorage failure. CONCLUSIONS Although infection rates were similar between polytetrafluoroethylene and acellular dermal matrix, re-operation for removal was not necessary in the latter. The use of a thick acellular dermal matrix may be a reasonable option when diaphragmatic reconstruction is potentially associated with a higher risk of infection.
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Mericli AF, Garvey PB, Giordano S, Liu J, Baumann DP, Butler CE. Abdominal Wall Reconstruction with Concomitant Ostomy-Associated Hernia Repair: Outcomes and Propensity Score Analysis. J Am Coll Surg 2017; 224:351-361.e2. [DOI: 10.1016/j.jamcollsurg.2016.11.013] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/24/2016] [Revised: 11/21/2016] [Accepted: 11/22/2016] [Indexed: 11/30/2022]
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Abstract
BACKGROUND The rates of recurrent prolapse after perineal proctectomy vary widely in the literature, with incidences ranging between 0% and 50%. The Thiersch procedure, first described in 1891 for the treatment of rectal prolapse, involves encircling the anus with a foreign material with the goal of confining the prolapsing rectum above the anus. The Bio-Thiersch procedure uses biological mesh for anal encirclement and can be used as an adjunct to perineal proctectomy for rectal prolapse to reduce recurrence. OBJECTIVE The aim of this study was to evaluate the Bio-Thiersch procedure as an adjunct to perineal proctectomy and its impact on recurrence compared with perineal proctectomy alone. DESIGN A retrospective review of consecutive patients undergoing perineal proctectomy with and without Bio-Thiersch was performed. SETTINGS Procedures took place in the Division of Colon and Rectal Surgery at a tertiary academic teaching hospital. PATIENTS Patients who had undergone perineal proctectomy and those who received perineal proctectomy with Bio-Thiersch were evaluated and compared. INTERVENTIONS All of the patients with rectal prolapse received perineal proctectomy with levatorplasty, and a proportion of those patients had a Bio-Thiersch placed as an adjunct. MAIN OUTCOME MEASURES The incidence of recurrent rectal prolapse after perineal proctectomy alone or perineal proctectomy with Bio-Thiersch was documented. RESULTS Sixty-two patients underwent perineal proctectomy (8 had a previous prolapse procedure), and 25 patients underwent perineal proctectomy with Bio-Thiersch (12 had a previous prolapse procedure). Patients who received perineal proctectomy with Bio-Thiersch had a lower rate of recurrent rectal prolapse (p < 0.05) despite a higher proportion of them having had a previous prolapse procedure (p < 0.01). Perineal proctectomy with Bio-Thiersch had a lower recurrence over time versus perineal proctectomy alone (p < 0.05). LIMITATIONS This study was limited by nature of being a retrospective review. CONCLUSIONS Bio-Thiersch as an adjunct to perineal proctectomy may reduce the risk for recurrent rectal prolapse and can be particularly effective in patients with a history of previous failed prolapse procedures.
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Garvey PB, Giordano SA, Baumann DP, Liu J, Butler CE. Long-Term Outcomes after Abdominal Wall Reconstruction with Acellular Dermal Matrix. J Am Coll Surg 2016; 224:341-350. [PMID: 27993696 DOI: 10.1016/j.jamcollsurg.2016.11.017] [Citation(s) in RCA: 57] [Impact Index Per Article: 7.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/15/2016] [Revised: 11/04/2016] [Accepted: 11/15/2016] [Indexed: 11/26/2022]
Abstract
BACKGROUND Long-term outcomes data for hernia recurrence rates after abdominal wall reconstruction (AWR) with acellular dermal matrix (ADM) are lacking. The aim of this study was to assess the long-term durability of AWR using ADM. STUDY DESIGN We studied patients who underwent AWR with ADM at a single center in 2005 to 2015 with a minimum follow-up of 36 months. Hernia recurrence was the primary end point and surgical site occurrence (SSO) was a secondary end point. The recurrence-free survival curves were estimated by Kaplan-Meier product limit method. Univariate and multivariable Cox proportional hazards regression models and logistic regression models were used to evaluate the associations of risk factors at surgery with subsequent risks for hernia recurrence and SSO, respectively. RESULTS A total of 512 patients underwent AWR with ADM. After excluding those with follow-up less than 36 months, 191 patients were included, with a median follow-up of 52.9 months (range 36 to 104 months). Twenty-six of 191 patients had a hernia recurrence documented in the study. The cumulative recurrence rates were 11.5% at 3 years and 14.6% by 5 years. Factors significantly predictive of hernia recurrence developing included bridged repair, wound skin dehiscence, use of human cadaveric ADM, and coronary disease; component separation was protective. In a subset analysis excluding bridged repairs and human cadaveric ADM patients, cumulative hernia recurrence rates were 6.4% by 3 years and 8.3% by 5 years. The crude rate of SSO was 25.1% (48 of 191). Factors significantly predictive of the incidence of SSO included at least 1 comorbidity, BMI ≥30 kg/m2, and defect width >15 cm. CONCLUSIONS Use of ADM for AWR was associated with 11.5% and 14.6% hernia recurrence rates at 3- and 5-years follow-up, respectively. Avoiding bridged repairs and human cadaveric ADM can improve long-term AWR outcomes using ADM.
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Affiliation(s)
- Patrick B Garvey
- Department of Plastic Surgery, The University of Texas MD Anderson Cancer Center, Houston, TX
| | - Salvatore A Giordano
- Department of Plastic Surgery, The University of Texas MD Anderson Cancer Center, Houston, TX
| | - Donald P Baumann
- Department of Plastic Surgery, The University of Texas MD Anderson Cancer Center, Houston, TX
| | - Jun Liu
- Department of Plastic Surgery, The University of Texas MD Anderson Cancer Center, Houston, TX
| | - Charles E Butler
- Department of Plastic Surgery, The University of Texas MD Anderson Cancer Center, Houston, TX.
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Outcomes Analysis of Biologic Mesh Use for Abdominal Wall Reconstruction in Clean-Contaminated and Contaminated Ventral Hernia Repair. Ann Plast Surg 2016; 75:201-4. [PMID: 24317239 DOI: 10.1097/sap.0000000000000030] [Citation(s) in RCA: 40] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/26/2022]
Abstract
BACKGROUND Repair of grade 3 and grade 4 ventral hernias is a distinct challenge, given the potential for infection, and the comorbid nature of the patient population. This study evaluates our institutional outcomes when performing single-stage repair of these hernias, with biologic mesh for abdominal wall reinforcement. METHODS A prospectively maintained database was reviewed for all patients undergoing repair of grade 3 (potentially contaminated) or grade 4 (infected) hernias, as classified by the Ventral Hernia Working Group. All those patients undergoing repair with component separation techniques and biologic mesh reinforcement were included. Patient demographics, comorbidities, and postoperative complications were analyzed. Univariate analysis was performed to define factors predictive of hernia recurrence and wound complications. RESULTS A total of 41 patients underwent single-stage repair of grade 3 and grade 4 hernias during a 4-year period. The overall postoperative wound infection rate was 15%, and hernia recurrence rate was 12%. Almost all recurrences were seen in grade 4 hernia repairs, and in those patients undergoing bridging repair of the hernia. One patient required removal of the biologic mesh. Those factors predicting hernia recurrence were smoking (P = 0.023), increasing body mass index (P = 0.012), increasing defect size (P = 0.010), and bridging repair (P = 0.042). No mesh was removed due to perioperative infection. Mean follow-up time for this patient population was 25 months. CONCLUSIONS Single-stage repair of grade 3 hernias performed with component separation and biologic mesh reinforcement is effective and offers a low recurrence rate. Furthermore, the use of biologic mesh allows for avoidance of mesh explantation in instances of wound breakdown or infection. Bridging repairs are associated with a high recurrence rate, as is single-stage repair of grade 4 hernias.
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Rastegarpour A, Cheung M, Vardhan M, Ibrahim MM, Butler CE, Levinson H. Surgical mesh for ventral incisional hernia repairs: Understanding mesh design. Plast Surg (Oakv) 2016; 24:41-50. [PMID: 27054138 DOI: 10.4172/plastic-surgery.1000955] [Citation(s) in RCA: 16] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/25/2022] Open
Abstract
Surgical mesh has become an indispensable tool in hernia repair to improve outcomes and reduce costs; however, efforts are constantly being undertaken in mesh development to overcome postoperative complications. Common complications include infection, pain, adhesions, mesh extrusion and hernia recurrence. Reducing the complications of mesh implantation is of utmost importance given that hernias occur in hundreds of thousands of patients per year in the United States. In the present review, the authors present the different types of hernia meshes, discuss the key properties of mesh design, and demonstrate how each design element affects performance and complications. The present article will provide a basis for surgeons to understand which mesh to choose for patient care and why, and will explain the important technological aspects that will continue to evolve over the ensuing years.
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Affiliation(s)
- Ali Rastegarpour
- Division of Plastic and Reconstructive Surgery, Department of Surgery, Duke University Medical Center
| | - Michael Cheung
- Division of Plastic and Reconstructive Surgery, Department of Surgery, Duke University Medical Center
| | - Madhurima Vardhan
- Department of Biomedical Engineering, Duke University, Pratt School of Engineering, Durham, North Carolina
| | - Mohamed M Ibrahim
- Division of Plastic and Reconstructive Surgery, Department of Surgery, Duke University Medical Center
| | - Charles E Butler
- Department of Plastic Surgery, The University of Texas MD Anderson Cancer Center, Houston, Texas, USA
| | - Howard Levinson
- Division of Plastic and Reconstructive Surgery, Department of Surgery, Duke University Medical Center
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Rastegarpour A, Cheung M, Vardhan M, Ibrahim MM, Butler CE, Levinson H. Surgical mesh for ventral incisional hernia repairs: Understanding mesh design. Plast Surg (Oakv) 2016. [DOI: 10.1177/229255031602400110] [Citation(s) in RCA: 33] [Impact Index Per Article: 4.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022] Open
Abstract
Surgical mesh has become an indispensable tool in hernia repair to improve outcomes and reduce costs; however, efforts are constantly being undertaken in mesh development to overcome postoperative complications. Common complications include infection, pain, adhesions, mesh extrusion and hernia recurrence. Reducing the complications of mesh implantation is of utmost importance given that hernias occur in hundreds of thousands of patients per year in the United States. In the present review, the authors present the different types of hernia meshes, discuss the key properties of mesh design, and demonstrate how each design element affects performance and complications. The present article will provide a basis for surgeons to understand which mesh to choose for patient care and why, and will explain the important technological aspects that will continue to evolve over the ensuing years.
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Affiliation(s)
- Ali Rastegarpour
- Division of Plastic and Reconstructive Surgery, Department of Surgery, Duke University Medical Center, Durham, North Carolina
| | - Michael Cheung
- Division of Plastic and Reconstructive Surgery, Department of Surgery, Duke University Medical Center, Durham, North Carolina
| | - Madhurima Vardhan
- Department of Biomedical Engineering, Duke University, Pratt School of Engineering, Durham, North Carolina
| | - Mohamed M Ibrahim
- Division of Plastic and Reconstructive Surgery, Department of Surgery, Duke University Medical Center, Durham, North Carolina
| | - Charles E Butler
- Department of Plastic Surgery, The University of Texas MD Anderson Cancer Center, Houston, Texas, USA
| | - Howard Levinson
- Division of Plastic and Reconstructive Surgery, Department of Surgery, Duke University Medical Center, Durham, North Carolina
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Cornwell KG, Zhang F, Lineaweaver W. Bovine fetal collagen reinforcement in a small animal model of hernia with component repair. J Surg Res 2015; 201:416-24. [PMID: 27020827 DOI: 10.1016/j.jss.2015.10.049] [Citation(s) in RCA: 8] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/31/2015] [Revised: 10/02/2015] [Accepted: 10/30/2015] [Indexed: 11/25/2022]
Abstract
BACKGROUND Component separation is a surgical strategy used to achieve abdominal wall reconstruction for patients with significant ventral hernias. With an increasing number of variations in procedural techniques and materials, the development of a small animal model of this surgery would allow for the controlled evaluation of variables with analytics not available in human clinical studies. To test this model, we investigated the reinforcement of these component repairs in rats with a bovine fetal collagen (BFC) scaffold. METHODS Fifty Sprague Dawley rats were randomized into either component repair alone or BFC reinforced component repair. At time points up to 1 y, these groups were evaluated for hernia formation, strength of repair, strength of mesh-muscle interface, and histology of the repair site. RESULTS Anterior component separation was achievable and reproducible in this small animal model. Significantly fewer hernias were found in BFC reinforced repairs. The change in transverse abdominal length was lower for reinforced repairs indicating less external oblique retraction, and reinforced repairs were consistently stronger than controls through 1 y. BFC was revascularized and repopulated with host cells but not rapidly degraded. CONCLUSIONS This small animal model of hernia repair with anterior component separation was effective in evaluating the reinforcement of a hernia repair with mesh. It may be useful in future work for the controlled, comparative investigation of different repair techniques and mesh materials in anterior component separation hernia repairs. Additionally, bovine fetal collagen was found to effectively reinforce component repairs and undergo an assimilation process including rapid revascularization and repopulation with host cells followed by gradual extracellular matrix remodeling.
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Affiliation(s)
| | - Feng Zhang
- Division of Plastic Surgery, University of Mississippi Medical Center, Jackson, Mississippi
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Wells HC, Sizeland KH, Kirby N, Hawley A, Mudie S, Haverkamp RG. Collagen Fibril Structure and Strength in Acellular Dermal Matrix Materials of Bovine, Porcine, and Human Origin. ACS Biomater Sci Eng 2015; 1:1026-1038. [PMID: 33429533 DOI: 10.1021/acsbiomaterials.5b00310] [Citation(s) in RCA: 33] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Abstract
Strength is an important characteristic of acellular dermal matrix (ADM) materials used for surgical scaffolds. Strength depends on the material's structure, which may vary with the source from which the product is produced, including species and animal age. Here, variations in the physical properties and structures of ADM materials from three species are investigated: bovine (fetal and neonatal), porcine, and human materials. Thickness normalized, the bovine materials have a similar strength (tear strength of 75-124 N/m) to the human material (79 N/m), and these are both stronger than the porcine material (43 N/m). Thickness-normalized tensile strengths were similar among all species (18-34 N/mm2 for bovine although higher in fetal material, 18 N/mm2 for human and 21 N/mm2 for porcine). Structure is investigated with synchrotron-based small-angle X-ray scattering (SAXS) for collagen fibril orientation index (OI) and scanning electron microscopy (SEM). SEM reveals a more open structure in bovine ADM than in the porcine and human material. A correlation is found between OI and thickness-normalized tear strength in neonatal bovine material measured with the X-rays edge-on to the sample, but this relationship does not extend across species. The collagen fibril arrangement, viewed perpendicular to the surface, varies between species, with the human material having a unimodal distribution and rather isotropic (OI 0.08), the porcine being strongly bimodal and rather highly oriented (OI 0.61), the neonatal bovine between these two extremes with a bimodal distribution tending toward isotropic (OI 0.14-0.21) and the fetal bovine material being bimodal and less isotropic than neonatal (OI 0.24). The OI varies less through the thickness of the porcine and human materials than through the bovine materials. The similarities and differences in structure may inform the suitability of these materials for particular surgical applications.
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Affiliation(s)
- Hannah C Wells
- School of Engineering and Advanced Technology, Massey University, Private Bag 11222, Palmerston North, New Zealand
| | - Katie H Sizeland
- School of Engineering and Advanced Technology, Massey University, Private Bag 11222, Palmerston North, New Zealand
| | - Nigel Kirby
- Australian Synchrotron, 800 Blackburn Road, Clayton, Melbourne, Victoria, Australia
| | - Adrian Hawley
- Australian Synchrotron, 800 Blackburn Road, Clayton, Melbourne, Victoria, Australia
| | - Stephen Mudie
- Australian Synchrotron, 800 Blackburn Road, Clayton, Melbourne, Victoria, Australia
| | - Richard G Haverkamp
- School of Engineering and Advanced Technology, Massey University, Private Bag 11222, Palmerston North, New Zealand
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Hanson S, D'Souza RN, Hematti P. Biomaterial-mesenchymal stem cell constructs for immunomodulation in composite tissue engineering. Tissue Eng Part A 2015; 20:2162-8. [PMID: 25140989 DOI: 10.1089/ten.tea.2013.0359] [Citation(s) in RCA: 48] [Impact Index Per Article: 5.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/20/2022] Open
Abstract
Cell-based treatments are being developed as a novel approach for the treatment of many diseases in an effort to repair injured tissues and regenerate lost tissues. Interest in the potential use of multipotent progenitor or stem cells has grown significantly in recent years, specifically the use of mesenchymal stem cells (MSCs), for tissue engineering in combination with extracellular matrix-based scaffolds. An area that warrants further attention is the local or systemic host responses toward the implanted cell-biomaterial constructs. Such immunological responses could play a major role in determining the clinical efficacy of the therapeutic device or biomaterials used. MSCs, due to their unique immunomodulatory properties, hold great promise in tissue engineering as they not only directly participate in tissue repair and regeneration but also modulate the host foreign body response toward the engineered constructs. The purpose of this review was to summarize the current state of knowledge and applications of MSC-biomaterial constructs as a potential immunoregulatory tool in tissue engineering. Better understanding of the interactions between biomaterials and cells could translate to the development of clinically relevant and novel cell-based therapeutics for tissue reconstruction and regenerative medicine.
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Affiliation(s)
- Summer Hanson
- 1 Department of Plastic Surgery, The University of Texas MD Anderson Cancer Center , Houston, Texas
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Clinical application of a silk fibroin protein biologic scaffold for abdominal wall fascial reinforcement. PLASTIC AND RECONSTRUCTIVE SURGERY-GLOBAL OPEN 2014; 2:e246. [PMID: 25506529 PMCID: PMC4255889 DOI: 10.1097/gox.0000000000000217] [Citation(s) in RCA: 26] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/01/2014] [Accepted: 09/16/2014] [Indexed: 12/03/2022]
Abstract
Background: Preclinical studies have demonstrated that macroporous silk fibroin protein scaffolds are capable of promoting physiologically durable supportive tissue, which favors application of these engineered tissues for clinical implantation. The safety and effectiveness of a long-lasting, transitory, 510(k)-cleared purified silk fibroin biologic scaffold (SBS) are investigated for soft-tissue support and repair of the abdominal wall. Methods: We conducted a multicenter retrospective review of all consecutive patients who underwent abdominal wall soft-tissue reinforcement with an SBS device between 2011 and 2013. Indications, comorbid conditions, surgical technique, complications, and outcomes were evaluated. Results: We reviewed the records of 172 consecutive patients who received an SBS for soft-tissue support. Of those, 77 patients underwent abdominal wall fascial repair, with a mean follow-up of 18.4 ± 7.5 months. Procedures using an SBS included reinforcement of an abdominal-based flap donor site (31.2%), ventral hernia repair (53.2%), and abdominoplasty (15.6%). The overall complication rate was 6.5%, consisting of 2 wound dehiscences, 1 with device exposure, 1 seroma, 1 infection with explantation, and a perioperative bulge requiring reoperation. There were no reports of hernia. Conclusions: Postoperative complication rates after 18 months were low, and most surgical complications were managed nonoperatively on an outpatient basis without mesh removal. To our knowledge, this is the only series to report on a long-lasting, transitory SBS for abdominal wall repair and reinforcement. Procedure-specific outcome studies are warranted to delineate optimal patient selection and define potential device characteristic advantages.
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Bovine versus Porcine Acellular Dermal Matrix: A Comparison of Mechanical Properties. PLASTIC AND RECONSTRUCTIVE SURGERY-GLOBAL OPEN 2014; 2:e155. [PMID: 25289348 PMCID: PMC4174084 DOI: 10.1097/gox.0000000000000072] [Citation(s) in RCA: 34] [Impact Index Per Article: 3.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/04/2013] [Accepted: 01/30/2014] [Indexed: 11/26/2022]
Abstract
BACKGROUND Porcine and bovine acellular dermal matrices (PADM and BADM, respectively) are the most commonly used biologic meshes for ventral hernia repair. A previous study suggests a higher rate of intraoperative device failures using PADM than BADM. We hypothesize that this difference is, in part, related to intrinsic mechanical properties of the matrix substrate and source material. The following study directly compares these 2 matrices to identify any potential differences in mechanical properties that may relate to clinical outcomes. METHODS Sections of PADM (Strattice; Lifecell, Branchburg, N.J.) and BADM (SurgiMend; TEI Biosciences, Boston, Mass.) were subjected to a series of biomechanical tests, including suture retention, tear strength, and uniaxial tensile strength. Results were collected and compared statistically. RESULTS In all parameters, BADM exhibited a superior mechanical strength profile compared with PADM of similar thickness. Increased BADM thickness correlated with increased mechanical strength. In suture tear-through testing with steel wire, failure of the steel wire occurred in the 4-mm-thick BADM, whereas the matrix material failed in all other thicknesses of BADM and PADM. CONCLUSIONS Before implantation, BADM is inherently stronger than PADM at equivalent thicknesses and considerably stronger at increased thicknesses. These results corroborate clinical data from a previous study in which PADM was associated with a higher intraoperative device failure rate. Although numerous properties of acellular dermal matrix contribute to clinical outcomes, surgeons should consider initial mechanical strength properties when choosing acellular dermal matrices for load-bearing applications such as hernia repair.
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Reply: Autoderm: an alternative bioprosthetic for breast reconstruction. Plast Reconstr Surg 2014; 133:727e-728e. [PMID: 24776591 DOI: 10.1097/prs.0000000000000121] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/26/2022]
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Garvey PB, Booth JH, Baumann DP, Selber JC, Nguyen AT, Clemens MW, Liu J, Butler CE. Reply: To PMID 24083910. J Am Coll Surg 2014; 218:1081-3. [PMID: 24745578 DOI: 10.1016/j.jamcollsurg.2014.02.005] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/04/2014] [Accepted: 02/10/2014] [Indexed: 10/25/2022]
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The single fascial incision modification of the "open-book" component separation repair: a 15-year experience. Ann Plast Surg 2014; 71:203-8. [PMID: 23838757 DOI: 10.1097/sap.0b013e31829565ba] [Citation(s) in RCA: 9] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/27/2022]
Abstract
PURPOSE Complex abdominal wall hernias can be challenging for the reconstructive surgeon. The use of autologous tissue is preferable when possible. The authors review their 15-year experience regarding the "open-book" technique of ventral hernia repair. This repair entails a single fascial incision releasing the external oblique and concurrently incorporates the anterior rectus sheath as a turnover flap for abdominal wall reconstruction. This modification allows large defects to be closed with autologous tissue alone in a 2-layer fascial repair in a vest-over-pants fashion in a simple, straightforward surgical approach. METHODS A 15-year, single-surgeon retrospective review was conducted of 35 consecutive select patients who underwent component separation using the open-book variation. Hospital and office-based charts were reviewed. Complications were recorded as either major (hernia recurrence or any complication requiring readmission or reoperation) or minor (treated on an outpatient basis). Individual complications included hernia recurrence, infection, seroma, hematoma, and skin necrosis. RESULTS Sixty-three percent of the patients in the study had, at minimum, 1 recognized comorbidity before reconstructive surgery. Only 2 (6%) of 35 patients experienced hernia recurrence during the course of the 15 years. The minor complication rate was 8/35 (23%), including infection (5; 14%), skin necrosis (5; 14%), and hematoma (1; 3%). The major complication rate was 5/35 (14%), including hernia recurrence (2; 6%), infection (2; 6%), skin necrosis (2; 6%), and hematoma (1; 3%). Factors associated with a statistically significant increased rate of overall complications included chronic obstructive pulmonary disease (80%; P = 0.03) and hypertension (39%; P = 0.04). The average length of follow-up was 16 (3) months. CONCLUSIONS Our series suggests that with appropriate patient selection, this technique is associated with a low hernia recurrence rate when compared to the published literature. Additionally, the major complication rate is acceptable given these patients' many comorbidities and complicated surgical history. The presence of chronic obstructive pulmonary disease and/or hypertension was found to be statistically associated with an increased complication rate. The single fascial incision modification of the open-book component separation technique is an effective addition to the reconstructive surgeons' armamentarium in the management of these patients.
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Gurrado A, Franco IF, Lissidini G, Greco G, De Fazio M, Pasculli A, Girardi A, Piccinni G, Memeo V, Testini M. Impact of pericardium bovine patch (Tutomesh(®)) on incisional hernia treatment in contaminated or potentially contaminated fields: retrospective comparative study. Hernia 2014; 19:259-66. [PMID: 24584456 DOI: 10.1007/s10029-014-1228-6] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/16/2013] [Accepted: 02/09/2014] [Indexed: 10/25/2022]
Abstract
PURPOSE This retrospective comparative study analyzes the outcome of patients affected by incisional hernia in potentially contaminated or contaminated field, treated by three operative techniques. METHODS 152 patients (62 M:90 F; mean age 65 ± 14 years) underwent incisional hernia repair (January 2002-January 2012) in complicated settings. Criteria of inclusion in the study were represented by the following causes of admission: mesh rejection/infection, obstruction without gangrene but with possible peritoneal bacterial translocation, obstruction with gangrene, enterocutaneous fistula or simultaneous presence of ileo- or colostomy. The patients were divided into three groups: A (n = 76), treated with primary closure technique; B and C (n = 38 each), with reinforcement by synthetic or pericardium bovine mesh (Tutomesh(®)), respectively. The prosthetic groups were divided into Onlay and Sublay subgroups. RESULTS Significant decreases in C vs A were observed for wound infection (3 vs 37%) and recurrence (0 vs 14%), and in C vs B for wound infection (3 vs 53%), seroma (0 vs 34%) and recurrence (0 vs 16%). Patients with concomitant bowel resection (BR) (43%) showed (all P < 0.05) an increase of overall morbidity (55 vs 33%) and wound infection rate (42 vs 24%) compared to cases without BR. Morbidity presented no significant differences in C-Onlay or Sublay subgroups. B-Sublay subgroup has (all P < 0.05) lower overall morbidity (20 vs 75%), wound infection (10 vs 68%) and seroma (0 vs 46%) than B-Onlay. CONCLUSIONS The pericardium bovine patch seems to be safe and effective to successfully repair ventral hernia in potentially contaminated operative fields, especially in association with bowel resection.
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Affiliation(s)
- A Gurrado
- Unit of Endocrine, Digestive, and Emergency Surgery, Department of Biomedical Sciences and Human Oncology, University Medical School,"Aldo Moro" of Bari, Policlinico, P.zza G. Cesare,11, 70124, Bari, Italy,
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Sandor M, Scott N, Edwards M, Qi S, De Deyne PG. In vitro and in vivo characterization of a fully resorbable and composite surgical mesh. J BIOACT COMPAT POL 2014. [DOI: 10.1177/0883911513520382] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/26/2022]
Abstract
Fully resorbable and composite synthetic meshes are intended to provide advantages over nonabsorbable synthetic meshes, such as minimization of visceral adhesions and improved biocompatibility, but the inflammatory response to these materials has not previously been fully characterized. We compared resorbable and composite synthetic meshes using in vitro characterization and evaluated the host response in a nonhuman primate acute abdominal wall defect. After a 2-week in vitro incubation, resorbable synthetic mesh mechanical strength decreased to 0.12 ± 0.09 N (0.25% of initial strength), which preceded acidification and a fractured morphology at 1 month. The composite synthetic mesh strength decreased to 10.0 ± 3.2 N (41.1% of initial strength), coincident with morphological changes. In vivo, resorbable synthetic mesh elicited an intense yet transient foreign-body response, with macrophages and myofibroblasts persisting through 3 months of implantation. At 6 months, resorbable synthetic mesh was undetectable and the mesh–host tissue interface strength (14.7 ± 7.9 N) was equivalent to that of primary repair (21.4 ± 4.9 N). The composite synthetic mesh elicited a significant foreign-body response following 1 month of implantation. By 3 months, the composite synthetic mesh resorbable films had fully degraded, with foreign-body reaction localized to polypropylene fibers. By 6 months, macrophages had surrounded these polypropylene fibers, with a myofibroblast-positive capsule encircling a macrophage-rich layer. Resorbable and composite synthetic meshes may ultimately not be the most ideal biomaterials in situations where the biological response is expected to lead to a regeneration of host soft tissues.
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Affiliation(s)
| | | | | | - Shijie Qi
- Hôpital Notre-Dame, Department of Surgery, University of Montreal, Montreal, QC, Canada
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Bioprosthetic tissue matrices in complex abdominal wall reconstruction. PLASTIC AND RECONSTRUCTIVE SURGERY-GLOBAL OPEN 2014; 1:e91. [PMID: 25289285 PMCID: PMC4174111 DOI: 10.1097/gox.0000000000000036] [Citation(s) in RCA: 9] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/10/2013] [Accepted: 11/11/2013] [Indexed: 12/04/2022]
Abstract
Background: Complex abdominal defects are difficult problems encountered by surgeons in multiple specialties. Although current evidence supports the primary repair of these defects with mesh reinforcement, it is unclear which mesh is superior for any given clinical scenario. The purpose of this review was to explore the characteristics of and clinical relevance behind bioprosthetic tissue matrices in an effort to better clarify their role in abdominal wall reconstruction. Methods: We reviewed the peer-reviewed literature on the use of bioprosthetic mesh in human subjects. Basic science articles and large retrospective and prospective reviews were included in author’s analysis. The clinical performance and characteristics of 13 bioprosthetic tissue matrices were evaluated. Results: The majority of the products evaluated perform well in contaminated fields, where the risk of wound-healing difficulties is high. Clinical outcomes, which included infection, reherniation, and bulge formation, were variable, and the majority of the studies had a mean follow-up of less than 24 months. Conclusions: Although bioprosthetic matrix has a multitude of indications within the growing field of abdominal wall reconstruction, the functionality, regenerative capacity, and long-term fate of these products have yet to be fully established. Furthermore, the clinical performance, indications, and contraindications for each type of matrix need to be fully evaluated in long-term outcome studies.
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