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Tran DH, Rubarth C, Leeds SG, Fair L, McGowan T, Ramakrishnan S, Shabbir R, Ogola G, Ward MA, Aladegbami B. The use of poly-4-hydroxybutyrate (P4HB, Phasix™) mesh in ventral hernia repair: a systematic review and meta-analysis. Hernia 2024; 28:989-1004. [PMID: 38512507 DOI: 10.1007/s10029-024-02996-z] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/04/2023] [Accepted: 02/18/2024] [Indexed: 03/23/2024]
Abstract
PURPOSE/BACKGROUND Despite the growing use of bioabsorbable mesh in ventral hernia repairs (VHR), the evidence of its impact on patient outcomes remains limited. This study aims to investigate the efficacy and safety profile of poly-4-hydroxybutyrate (P4HB) mesh for ventral hernia repair through a systematic review and meta-analysis. METHODS A literature search of five databases (PubMed, Embase, Ovid, Medline, and Google Scholar) produced a list of publications that analyzed the use of P4HB mesh in ventral hernia repair in both clean and contaminated cases. The primary postoperative outcomes of hernia recurrence, surgical site infections (SSI), and any complications were analyzed through a pooled meta-analysis. RESULTS In our systematic review, 21 studies met the inclusion criteria with a total of 1858 patients (933 males and 925 females) and an average age of 56.8 years. The median follow-up ranged from 1.6 to 62.3 months. In our meta-analysis, the use of P4HB mesh in VHR in proportion of events demonstrated a recurrence rate of 9% [6%; 15%], SSI of 10% [6%; 16%] and 35% [9%; 42%] for rate of any complications. Sub-meta-analysis restricted to studies with follow up > 18 months continues to show low rates of recurrence of 9% (95%CI, 4-17%), SSI of 9% (95%CI, 4-16%), and 31% (95%CI, 23-41%) for any complications. CONCLUSION Our study demonstrates that the use of P4HB mesh is both safe and effective in ventral hernia repairs. When further analyzed past 18 months, the time where P4HB mesh fully resorbs, the rates of hernia recurrence, SSI, and any complications remain low of upwards of 5 years and comparable to the rates seen in synthetic and biologics in similar patient populations.
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Affiliation(s)
- Daniel H Tran
- Texas A&M College of Medicine, Bryan, TX, USA
- Research Institute, Baylor Scott and White Health, Dallas, TX, USA
| | - Charles Rubarth
- Research Institute, Baylor Scott and White Health, Dallas, TX, USA
| | - Steven G Leeds
- Texas A&M College of Medicine, Bryan, TX, USA
- Department of Minimally Invasive Surgery, Baylor University Medical Center, Dallas, TX, USA
- Center for Advanced Surgery, Baylor Scott and White Health, Dallas, TX, USA
| | - Luke Fair
- Research Institute, Baylor Scott and White Health, Dallas, TX, USA
- Department of Minimally Invasive Surgery, Baylor University Medical Center, Dallas, TX, USA
- Center for Advanced Surgery, Baylor Scott and White Health, Dallas, TX, USA
| | - Titus McGowan
- Research Institute, Baylor Scott and White Health, Dallas, TX, USA
| | | | - Rehma Shabbir
- Research Institute, Baylor Scott and White Health, Dallas, TX, USA
| | - Gerald Ogola
- Research Institute, Baylor Scott and White Health, Dallas, TX, USA
| | - Marc A Ward
- Department of Minimally Invasive Surgery, Baylor University Medical Center, Dallas, TX, USA
- Center for Advanced Surgery, Baylor Scott and White Health, Dallas, TX, USA
| | - Bola Aladegbami
- Texas A&M College of Medicine, Bryan, TX, USA.
- Department of Minimally Invasive Surgery, Baylor University Medical Center, Dallas, TX, USA.
- Center for Advanced Surgery, Baylor Scott and White Health, Dallas, TX, USA.
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Ahmed A, Gandhi S, Ganam S, Diab ARF, Mhaskar R, Sujka J, DuCoin C, Docimo S. Ventral hernia repair using bioresorbable poly-4-hydroxybutyrate mesh in clean and contaminated surgical fields: a systematic review and meta-analysis. Hernia 2024; 28:575-584. [PMID: 38345668 DOI: 10.1007/s10029-023-02951-4] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/30/2023] [Accepted: 12/16/2023] [Indexed: 04/06/2024]
Abstract
PURPOSE Use of biologic or synthetic mesh in hernia repair shifts is based on evolving evidence. Poly-4-hydroxybutyrate (P4HB) biosynthetic mesh is a potential alternative to biologic and synthetic mesh in ventral hernia repair (VHR). This meta-analysis assesses the efficacy of P4HB mesh in clean and contaminated surgical settings. METHODS Two authors searched literature on PubMed, reviewing titles and abstracts of all articles to determine inclusion eligibility. Post-operative data were compared via transformation method to convert the proportion of patients with the outcome of interest into a suitable quantity for random-effects synthesis using STATA software. RESULTS Initial search yielded 287 citations. Six studies were included and categorized on whether hernia repairs were conducted in clean (CDC class I) or contaminated cases (CDC class II-IV). The pooled proportion of surgical site infection (SSI), surgical site occurrence (SSO), hernia recurrence, total surgical complications, and reoperation were calculated in 391 clean and 81 contaminated cases. For clean vs. contaminated cases, the following pooled proportions were noted: SSI (2% (CI 0-7%) vs 9% (CI 0-025) (p = 0.03), SSO: 14% (CI 5-25%) vs 35% (CI 22-50%) (p = 0.006), hernia recurrence (8% (CI 1-19%) vs 4% (CI 0-12%) (p = 0.769); surgical complications (17% (CI 6-32%) vs 50% (CI 27-72%) (p = 0.009). Reoperation data were available in 298 clean cases across four studies: 5% (CI 0-15%). CONCLUSIONS P4HB biosynthetic mesh may be more effective than previously thought, particularly in clean wounds. P4HB may also be superior to biologic mesh when compared to clinical trial data. Further research is necessary for more direct comparison.
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Affiliation(s)
- A Ahmed
- University of South Florida Morsani College of Medicine, Tampa, FL, USA
| | - S Gandhi
- University of South Florida Morsani College of Medicine, Tampa, FL, USA
| | - S Ganam
- University of South Florida Morsani College of Medicine, Tampa, FL, USA
- Division of Gastrointestinal Surgery, Tampa General Hospital, Tampa, FL, USA
| | - A-R F Diab
- University of South Florida Morsani College of Medicine, Tampa, FL, USA
- Division of Gastrointestinal Surgery, Tampa General Hospital, Tampa, FL, USA
| | - R Mhaskar
- University of South Florida Morsani College of Medicine, Tampa, FL, USA
- Department of Internal Medicine, University of South Florida Morsani College of Medicine, Tampa, FL, USA
| | - J Sujka
- University of South Florida Morsani College of Medicine, Tampa, FL, USA
- Division of Gastrointestinal Surgery, Tampa General Hospital, Tampa, FL, USA
| | - C DuCoin
- University of South Florida Morsani College of Medicine, Tampa, FL, USA
- Division of Gastrointestinal Surgery, Tampa General Hospital, Tampa, FL, USA
| | - S Docimo
- University of South Florida Morsani College of Medicine, Tampa, FL, USA.
- Division of Gastrointestinal Surgery, Tampa General Hospital, Tampa, FL, USA.
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Rodriguez-Quintero JH, Romero-Velez G, Mandujano C, Huang LC, Sreeramoju P, Malcher F. Slowly absorbable mesh in sublay ventral hernia repair in contaminated fields. Surg Endosc 2023; 37:8080-8090. [PMID: 37670192 DOI: 10.1007/s00464-023-10362-w] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/27/2023] [Accepted: 07/30/2023] [Indexed: 09/07/2023]
Abstract
BACKGROUND In the past years, there has been increasing evidence that supports the use of permanent mesh in contaminated wounds. Given this increased evidence, the indications to opt for slowly absorbable "biosynthetic" prostheses have been questioned. To address this, we compared the outcomes of slowly absorbable mesh in contaminated cases in a well-matched multicentric cohort. METHODS The Abdominal Core Health Quality Collaborative (ACHQC) database was queried for patients undergoing elective ventral hernia repair in Centers for Disease Control (CDC)-III operations (2013-2022). We compared demographics, hernia characteristics, and postoperative outcomes among types of mesh. We used propensity score matching to adjust for sex, diabetes, body mass index, smoking status, and operative time between mesh groups. Patients within other CDC classes and those with mesh positioned elsewhere than retro-rectus/preperitoneal space were excluded. RESULTS A total of 760 patients were included in the analysis. Slowly absorbable synthetic mesh (SA) was utilized in only 7% of the cases, while permanent (P) and biologic (B) mesh in 77% and 16%, respectively. After matching, 255 patients were studied. There was no difference in surgical site occurrence (8% SA, 16% P, 10% B, p = 0.27), surgical site infection (20% SA, 17% P, 12% B p = 0.54), surgical site occurrence requiring intervention (18% SA, 13% P, 14% B p = 0.72), readmission (12% SA, 14% P, 12% B, p = 0.90), or reoperation (8% SA, 2% P, 4% B, p = 0.14) at 30 days. In patients with 1-year follow-up, there was no difference in recurrence among groups (20% SA, 26% P, 24% B p = 0.90). CONCLUSION Based on our findings, SA has comparable outcomes to other types of mesh, particularly when an optimal retro-rectus repair is performed.
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Affiliation(s)
| | | | - Camilo Mandujano
- Department of Surgery, Montefiore Medical Center, Bronx, NY, USA
| | - Li-Ching Huang
- Center of Quantitative Sciences, Vanderbilt University, Nashville, TN, USA
| | | | - Flavio Malcher
- Department of Surgery, New York University, 530 1st Ave, New York, NY, USA.
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Deeken CR, Chen DC, Lopez-Cano M, Martin DP, Badhwar A. Fully resorbable poly-4-hydroxybutyrate (P4HB) mesh for soft tissue repair and reconstruction: A scoping review. Front Surg 2023; 10:1157661. [PMID: 37123542 PMCID: PMC10130450 DOI: 10.3389/fsurg.2023.1157661] [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: 02/02/2023] [Accepted: 03/22/2023] [Indexed: 05/02/2023] Open
Abstract
Background Poly-4-hydroxybutyrate (P4HB) is a fully resorbable, biologically-produced polymer with a strength and flexibility comparable to permanent synthetic polymers. The objective was to identify/summarize all peer-reviewed publications involving P4HB mesh. Methods A scoping review was conducted within PubMed and included articles published through October 2022. Results A total of n = 79 studies were identified (n = 12 in vitro/bench; n = 14 preclinical; n = 6 commentaries; n = 50 clinical). Of the clinical studies, n = 40 reported results applicable to hernia and n = 10 to plastic/reconstructive surgery and involved patients of all Centers for Disease Control (CDC) wound classes and Ventral Hernia Working Group (VHWG) grades. Conclusion P4HB mesh provides long-term hernia repair strength and exhibits promising clinical outcomes beyond its resorption period. Future studies should include randomized controlled trials comparing P4HB to other biomaterials, as well as optimal patient selection, operative technique, long-term outcomes, minimization of potential mesh-related complications, and potential contraindications/complications for P4HB in hernia/abdominal wall reconstruction.
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Affiliation(s)
| | - David C. Chen
- Section of Minimally Invasive Surgery, David Geffen School of Medicine at University of California, Los Angeles, Santa Monica, CA, United States
| | - Manuel Lopez-Cano
- Hospital Universitario Vall d'Hebrón, Universidad Autónoma de Barcelona, Barcelona, Spain
| | | | - Amit Badhwar
- Becton, Dickinson and Company, Warwick, RI, United States
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Hope WW, El-Ghazzawy AG, Winterstein BA, Blatnik JA, Davis SS, Greenberg JA, Sanchez NC, Pauli EM, Tseng DM, LeBlanc KA, Roberts KE, Bower CE, Parra-Davila E, Roth JS, Deeken CR, Smith EF. A prospective, multicenter trial of a long-term bioabsorbable mesh with Sepra technology in cohort of challenging laparoscopic ventral or incisional hernia repairs (ATLAS trial). Ann Med Surg (Lond) 2022; 73:103156. [PMID: 34976385 PMCID: PMC8689054 DOI: 10.1016/j.amsu.2021.103156] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/15/2021] [Revised: 12/04/2021] [Accepted: 12/05/2021] [Indexed: 12/15/2022] Open
Abstract
BACKGROUND This prospective, multicenter, single-arm, open-label study evaluated P4HB-ST mesh in laparoscopic ventral or incisional hernia repair (LVIHR) in patients with Class I (clean) wounds at high risk for Surgical Site Occurrence (SSO). METHODS Primary endpoint was SSO requiring intervention <45 days. Secondary endpoints included: surgical procedure time, length of stay, SSO >45 days, hernia recurrence, device-related adverse events, reoperation, and Quality of Life at 1, 3, 6, 12, 18, and 24-months. RESULTS 120 patients (52.5% male), mean age of 55.0 ± 14.9 years, and BMI of 33.2 ± 4.5 kg/m2 received P4HB-ST mesh. Patient-reported comorbid conditions included: obesity (86.7%), active smoker (45.0%), COPD (5.0%), diabetes (16.7%), immunosuppression (2.5%), coronary artery disease (7.5%), chronic corticosteroid use (2.5%), hypoalbuminemia (0.8%), advanced age (10.0%), and renal insufficiency (0.8%). Hernia types were primary ventral (44.2%), primary incisional (37.5%), recurrent ventral (5.8%), and recurrent incisional (12.5%). Patients underwent LVIHR in laparoscopic (55.8%) or robotic-assisted cases (44.2%), mean defect size 15.7 ± 28.3 cm2, mean procedure time 85.9 ± 43.0 min, and mean length of stay 1.0 ± 1.4 days. There were no SSOs requiring intervention beyond 45 days, n = 38 (31.7%) recurrences, n = 22 (18.3%) reoperations, and n = 2 (1.7%) device-related adverse events (excluding recurrence). CONCLUSION P4HB-ST mesh demonstrated low rates of SSO and device-related complications, with improved quality of life scores, and reoperation rate comparable to other published studies. Recurrence rate was higher than expected at 31.7%. However, when analyzed by hernia defect size, recurrence was disproportionately high in defects ≥7.1 cm2 (43.3%) compared to defects <7.1 cm2 (18.6%). Thus, in LVIHR, P4HB-ST may be better suited for small defects. Caution is warranted when utilizing P4HB-ST in laparoscopic IPOM repair of larger defects until additional studies can further investigate outcomes.
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Affiliation(s)
- William W. Hope
- New Hanover Regional Medical Center, Department of Surgery, Wilmington, NC, United States
| | | | | | - Jeffrey A. Blatnik
- Washington University, Department of Surgery, St. Louis, MO, United States
| | - S. Scott Davis
- Emory University, Department of Surgery, Atlanta, GA, United States
| | - Jacob A. Greenberg
- University of Wisconsin, Department of Surgery, Madison, WI, United States
| | - Noel C. Sanchez
- Via-Christi Hospital, Department of Surgery, Wichita, KS, United States
| | - Eric M. Pauli
- Penn State Hershey Medical Center, Department of Surgery, Hershey, PA, United States
| | - Daniel M. Tseng
- Legacy Health, Department of Surgery, Portland, OR, United States
| | - Karl A. LeBlanc
- Our Lady of the Lake Regional Medical Center, Department of Surgery, Baton Rouge, LA, United States
| | - Kurt E. Roberts
- St. Francis Hospital, Department of Surgery, Hartford, CT, United States
| | - Curtis E. Bower
- Carilion Clinic, Department of Surgery, Roanoke, VA, United States
| | | | - J. Scott Roth
- University of Kentucky, Department of Surgery, Lexington, KY, United States
| | | | - Eric F. Smith
- Georgetown Community Hospital, Department of Surgery, Georgetown, KY, United States
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