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Keum BR, Kim HJ, Kim GH, Chang DG. Osteobiologies for Spinal Fusion from Biological Mechanisms to Clinical Applications: A Narrative Review. Int J Mol Sci 2023; 24:17365. [PMID: 38139194 PMCID: PMC10743675 DOI: 10.3390/ijms242417365] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/17/2023] [Revised: 12/01/2023] [Accepted: 12/03/2023] [Indexed: 12/24/2023] Open
Abstract
Degenerative lumbar spinal disease (DLSD), including spondylolisthesis and spinal stenosis, is increasing due to the aging population. Along with the disease severity, lumbar interbody fusion (LIF) is a mainstay of surgical treatment through decompression, the restoration of intervertebral heights, and the stabilization of motion segments. Currently, pseudoarthrosis after LIF is an important and unsolved issue, which is closely related to osteobiologies. Of the many signaling pathways, the bone morphogenetic protein (BMP) signaling pathway contributes to osteoblast differentiation, which is generally regulated by SMAD proteins as common in the TGF-β superfamily. BMP-2 and -4 are also inter-connected with Wnt/β-catenin, Notch, and FGF signaling pathways. With the potent potential for osteoinduction in BMP-2 and -4, the combination of allogenous bone and recombinant human BMPs (rhBMPs) is currently an ideal fusion material, which has equalized or improved fusion rates compared to traditional materials. However, safety issues in the dosage of BMP remain, so overcoming current limitations will provide significant advancement in spine surgery. In the future, translational research and the application of clinical study will be important to overcome the current limitations of spinal surgery.
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Affiliation(s)
- Byeong-Rak Keum
- Research Center for Bioconvergence Analysis, Korea Basic Science Institute, Cheongju 28119, Republic of Korea;
| | - Hong Jin Kim
- Department of Orthopedic Surgery, Inje University Sanggye Paik Hospital, College of Medicine, Inje University, Seoul 01757, Republic of Korea;
| | - Gun-Hwa Kim
- Research Center for Bioconvergence Analysis, Korea Basic Science Institute, Cheongju 28119, Republic of Korea;
| | - Dong-Gune Chang
- Department of Orthopedic Surgery, Inje University Sanggye Paik Hospital, College of Medicine, Inje University, Seoul 01757, Republic of Korea;
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Is there a variance in complication types associated with ALIF approaches? A systematic review. Acta Neurochir (Wien) 2021; 163:2991-3004. [PMID: 34546435 PMCID: PMC8520518 DOI: 10.1007/s00701-021-05000-0] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/23/2021] [Accepted: 09/08/2021] [Indexed: 12/27/2022]
Abstract
Purpose Anterior lumbar interbody fusion (ALIF) is a well-established alternative to posterior-based interbody fusion techniques, with approach variations, such as retroperitoneal, transperitoneal, open, and laparoscopic well described. Variable rates of complications for each approach have been enumerated in the literature. The purpose of this study was to elucidate the comparative rates of complications across approach type. Methods A systematic review of search databases PubMed, Google Scholar, and OVID Medline was made to identify studies related to complication-associated ALIF. PRISMA guidelines were utilised for this review. Meta-analysis was used to compare intraoperative and postoperative complications with ALIF for each approach. Results A total of 4575 studies were identified, with 5728 patients across 31 studies included for review following application of inclusion and exclusion criteria. Meta-analysis demonstrated the transperitoneal approach resulted in higher rates of retrograde ejaculation (RE) (p < 0.001; CI = 0.05–0.21) and overall rates of complications (p = 0.05; CI = 0.00–0.23). Rates of RE were higher at the L5/S1 intervertebral level. Rates of vessel injury were not significantly higher in either approach method (p = 0.89; CI = − 0.04–0.07). Rates of visceral injury did not appear to be related to approach method. Laparoscopic approaches resulted in shorter inpatient stays (p = 0.01). Conclusion Despite the transperitoneal approach being comparatively underpowered, its use appears to result in a significantly higher rate of intraoperative and postoperative complications, although confounders including use of bone morphogenetic protein (BMP) and spinal level should be considered. Laparoscopic approaches resulted in shorter hospital stays; however, its steep learning curve and longer operative time have deterred surgeons from its widespread adaptation.
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Huang R, Vi L, Zong X, Baht GS. Maresin 1 resolves aged-associated macrophage inflammation to improve bone regeneration. FASEB J 2020; 34:13521-13532. [PMID: 32794246 PMCID: PMC7719599 DOI: 10.1096/fj.202001145r] [Citation(s) in RCA: 23] [Impact Index Per Article: 5.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/09/2020] [Revised: 07/21/2020] [Accepted: 07/24/2020] [Indexed: 12/19/2022]
Abstract
Inflammaging is associated with poor tissue regeneration observed in advanced age. Specifically, protracted inflammation after acute injury has been associated with decreased bone fracture healing and increased rates of nonunion in elderly patients. Here, we investigated the efficacy of using Maresin 1 (MaR1), an omega-3 fatty acid-derived pro-resolving agent, to resolve inflammation after tibial fracture injury and subsequently improving aged bone healing. Aged (24-month-old mice) underwent tibial fracture surgery and were either treated with vehicle or MaR1 3 days after injury. Fracture calluses were harvested 7 days, 14 days, 21 days, and 28 days after injury to investigate inflammatory response, cartilage development, bone deposition, and mechanical integrity, respectively. Healing bones from MaR1-treated mice displayed decreased cartilage formation and increased bone deposition which resulted in increased structural stiffness and increased force to fracture in the later stages of repair. In the early stages, MaR1 treatment decreased the number of pro-inflammatory macrophages within the fracture callus and decreased the level of inflammatory biomarkers in circulation. In tissue culture models, MaR1 treatment of bone marrow-derived macrophages from aged mice protected cells form a pro-inflammatory phenotype and induced an anti-inflammatory fate. Furthermore, the secretome of MaR1-treated bone marrow-derived macrophages was identified as osteoinductive, enhancing osteoblast differentiation of bone marrow stromal cells. Our findings here identify resolution of inflammation, and MaR1 itself, to be a point of intervention to improve aged bone healing.
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Affiliation(s)
- Rong Huang
- Duke Molecular Physiology Institute, Duke University, Durham, NC, USA.,Department of Orthopaedic Surgery, Duke University, Durham, NC, USA
| | - Linda Vi
- Division of Physical Medicine and Rehabilitation, University of Toronto, Toronto, Canada
| | - Xiaohua Zong
- Duke Molecular Physiology Institute, Duke University, Durham, NC, USA.,Department of Orthopaedic Surgery, Duke University, Durham, NC, USA
| | - Gurpreet S Baht
- Duke Molecular Physiology Institute, Duke University, Durham, NC, USA.,Department of Orthopaedic Surgery, Duke University, Durham, NC, USA.,Department of Pathology, Duke University, Durham, NC, USA
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Sexual activity after spine surgery: a systematic review. EUROPEAN SPINE JOURNAL : OFFICIAL PUBLICATION OF THE EUROPEAN SPINE SOCIETY, THE EUROPEAN SPINAL DEFORMITY SOCIETY, AND THE EUROPEAN SECTION OF THE CERVICAL SPINE RESEARCH SOCIETY 2018; 27:2395-2426. [PMID: 29796731 DOI: 10.1007/s00586-018-5636-7] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/21/2018] [Accepted: 05/13/2018] [Indexed: 01/07/2023]
Abstract
INTRODUCTION Sexual function is an important determinant of quality of life, and factors such as surgical approach, performance of fusion, neurological function and residual pain can affect it after spine surgery. Our aim was to perform a systematic review to collate evidence regarding the impact of spine surgery on sexual function. METHODS A systematic review of studies reporting measures of sexual function, and incidence of adverse sexual outcomes (retrograde ejaculation) after major spine surgery was done, regardless of spinal location. Pubmed (MEDLINE) and Google Scholar databases were queried using the following search words "Sex", "Sex life", "Sexual function", "Sexual activity", "retrograde ejaculation", "Spine", "Spine surgery", "Lumbar surgery", "Lumbar fusion", "cervical spine", "cervical fusion", "Spinal deformity", "scoliosis" and "Decompression". All articles published between 1997 and 2017 were retrieved from the database. A total of 81 studies were included in the final review. RESULTS Majority of the studies were retrospective case series and were low quality (Level IV) in evidence. Anterior lumbar approaches were associated with a higher incidence of retrograde ejaculation, especially with the utilization of transperitoneal laparoscopic approach. There is inconclusive evidence on the preferred sexual position following fusion, and also on the impact of BMP-2 usage on retrograde ejaculation/sexual dysfunction. CONCLUSION Despite limited evidence from high-quality articles, there is a general trend towards improvement of sexual activity and function after spine surgery. Future studies incorporating specific assessments of sexual activity will be required to address this important determinant of quality of life so that appropriate pre-operative counselling can be done by providers. These slides can be retrieved under Electronic Supplementary Material.
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Hindoyan K, Tilan J, Buser Z, Cohen JR, Brodke DS, Youssef JA, Park JB, Yoon ST, Meisel HJ, Wang JC. A Retrospective Analysis of Complications Associated With Bone Morphogenetic Protein 2 in Anterior Lumbar Interbody Fusion. Global Spine J 2017; 7:148-153. [PMID: 28507884 PMCID: PMC5415156 DOI: 10.1177/2192568217694010] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/02/2022] Open
Abstract
STUDY DESIGN Retrospective review. OBJECTIVE The aim of our study was to quantify the frequency of complications associated with recombinant human bone morphogenetic protein 2 (rhBMP-2) use in anterior lumbar interbody fusion (ALIF). METHODS The orthopedic subset of the Medicare database (PearlDiver) was queried for this retrospective cohort study using International Statistical Classification of Diseases 9 (ICD-9) and Current Procedure Terminology (CPT) codes for ALIF procedures with and without rhBMP-2 between 2005 and 2010. Frequencies of complications and reoperations were then identified within 1 year from the index procedure. Complications included reoperations, pulmonary embolus, deep vein thrombosis, myocardial infarction, nerve-related complications, incision and drainage procedures, wound, sepsis, pneumonia, urinary tract infections, respiratory, heterotopic ossification, retrograde ejaculation, radiculopathy, and other medical complications. Odds ratios (ORs) and 95% confidence intervals (CIs) were used to assess the statistical significance. RESULTS We identified a total of 41 865 patients who had an ALIF procedure. A total of 14 384 patients received rhBMP-2 while 27 481 did not. Overall, 6016 (41.8%) complications within 1 year from surgery were noted within the group who received rhBMP-2 and 12 950 (47.1%) complications within 1 year from surgery were recorded in those who did not receive rhBMP-2 (OR = 0.81, CI = 0.77-0.84). Overall, exposure to rhBMP-2 was associated with significantly decreased odds of complications with exception to reoperation rates (0.9% rhBMP-2 vs 1.0% no rhBMP-2; OR = 0.88, CI = 0.71-1.09) and radiculopathy (4.4% rhBMP-2 vs 4.3% no rhBMP-2; OR = 1.02, CI = 0.93-1.13). CONCLUSIONS The use of rhBMP-2 in patients undergoing ALIF procedure was associated with a significantly decreased rate of complications. Further studies are needed to elucidate a true incidence of complication.
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Affiliation(s)
| | - Justin Tilan
- University of Southern California, Los Angeles, CA, USA
| | - Zorica Buser
- University of Southern California, Los Angeles, CA, USA,Zorica Buser, Department of Orthopaedic Surgery, Keck School of Medicine, University of Southern California, Hoffman Medical Research Center HMR 710, 2011 Zonal Ave, Los Angeles, CA 90033, USA.
| | | | | | - Jim A. Youssef
- Durango Orthopedic Associates, P.C./Spine Colorado, Durango, CO, USA
| | - Jong-Beom Park
- Uijongbu St. Mary’s Hospital, The Catholic University of Korea, Uijongbu, Korea
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James AW, LaChaud G, Shen J, Asatrian G, Nguyen V, Zhang X, Ting K, Soo C. A Review of the Clinical Side Effects of Bone Morphogenetic Protein-2. TISSUE ENGINEERING PART B-REVIEWS 2016; 22:284-97. [PMID: 26857241 DOI: 10.1089/ten.teb.2015.0357] [Citation(s) in RCA: 672] [Impact Index Per Article: 84.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/16/2022]
Abstract
Bone morphogenetic protein-2 (BMP-2) is currently the only Food and Drug Administration (FDA)-approved osteoinductive growth factor used as a bone graft substitute. However, with increasing clinical use of BMP-2, a growing and well-documented side effect profile has emerged. This includes postoperative inflammation and associated adverse effects, ectopic bone formation, osteoclast-mediated bone resorption, and inappropriate adipogenesis. Several large-scale studies have confirmed the relative frequency of adverse events associated with the clinical use of BMP-2, including life-threatening cervical spine swelling. In fact, the FDA has issued a warning of the potential life-threatening complications of BMP-2. This review summarizes the known adverse effects of BMP-2, including controversial areas such as tumorigenesis. Next, select animal models that replicate BMP-2's adverse clinical effects are discussed. Finally, potential molecules to mitigate the adverse effects of BMP-2 are reviewed. In summary, BMP-2 is a potent osteoinductive cytokine that has indeed revolutionized the bone graft substitute market; however, it simultaneously has accrued a worrisome side effect profile. Better understanding of these adverse effects among both translational scientists and clinicians will help determine the most appropriate and safe use of BMP-2 in the clinical setting.
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Affiliation(s)
- Aaron W James
- 1 Department of Orthopaedic Surgery and the Orthopaedic Hospital Research Center, UCLA and Orthopaedic Hospital, University of California , Los Angeles, Los Angeles, California.,2 Section of Orthodontics, Division of Growth and Development, School of Dentistry, University of California , Los Angeles, Los Angeles, California.,3 Department of Pathology and Laboratory Medicine, David Geffen School of Medicine, University of California , Los Angeles, Los Angeles, California
| | - Gregory LaChaud
- 1 Department of Orthopaedic Surgery and the Orthopaedic Hospital Research Center, UCLA and Orthopaedic Hospital, University of California , Los Angeles, Los Angeles, California.,2 Section of Orthodontics, Division of Growth and Development, School of Dentistry, University of California , Los Angeles, Los Angeles, California.,3 Department of Pathology and Laboratory Medicine, David Geffen School of Medicine, University of California , Los Angeles, Los Angeles, California
| | - Jia Shen
- 2 Section of Orthodontics, Division of Growth and Development, School of Dentistry, University of California , Los Angeles, Los Angeles, California
| | - Greg Asatrian
- 2 Section of Orthodontics, Division of Growth and Development, School of Dentistry, University of California , Los Angeles, Los Angeles, California
| | - Vi Nguyen
- 3 Department of Pathology and Laboratory Medicine, David Geffen School of Medicine, University of California , Los Angeles, Los Angeles, California
| | - Xinli Zhang
- 2 Section of Orthodontics, Division of Growth and Development, School of Dentistry, University of California , Los Angeles, Los Angeles, California
| | - Kang Ting
- 2 Section of Orthodontics, Division of Growth and Development, School of Dentistry, University of California , Los Angeles, Los Angeles, California
| | - Chia Soo
- 1 Department of Orthopaedic Surgery and the Orthopaedic Hospital Research Center, UCLA and Orthopaedic Hospital, University of California , Los Angeles, Los Angeles, California.,4 Division of Plastic and Reconstructive Surgery, Department of Surgery, David Geffen School of Medicine, University of California , Los Angeles, Los Angeles, California
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Cost-Utility Analysis of 1- and 2-Level Dorsal Lumbar Fusions With and Without Recombinant Human Bone Morphogenic Protein-2 at 1-Year Follow-Up. Clin Spine Surg 2016; 29:E28-33. [PMID: 24870120 DOI: 10.1097/bsd.0000000000000079] [Citation(s) in RCA: 15] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 01/08/2023]
Abstract
STUDY DESIGN A retrospective 1-year cost-utility analysis. OBJECTIVE To determine the cost-effectiveness of using recombinant human bone morphogenic protein (rhBMP-2) in addition to autograft for 1- and 2-level lumbar fusions. SUMMARY OF BACKGROUND DATA rhBMP-2 has been studied extensively to identify its benefits, risks, patient outcomes, and costs relative to autograft [local bone or iliac crest bone graft (ICBG)]. This study seeks to analyze the cost-effectiveness of adding rhBMP-2 to autograft versus without rhBMP-2 in lumbar fusions. METHODS Thirty-three patients receiving rhBMP-2 in addition to either local bone autograft or ICBG (rhBMP-2 cohort) and 42 patients receiving only local bone autograft or ICBG (control cohort) for 1- or 2-level dorsal lumbar fusion were analyzed. This included posterolateral fusion, posterior lumbar interbody fusion, and transforaminal lumbar interbody fusion. One-year postoperative health outcomes were assessed based on Visual Analogue Scale, Pain Disability Questionnaire, Patient Health Questionnaire, and EuroQol-5 Dimensions questionnaires. Direct medical costs were estimated using Medicare national payment amounts and indirect costs were based on patient missed work days and patient income. Postoperative 1-year cost-utility ratios and the incremental cost-effectiveness ratio (ICER) were calculated to assess for cost-effectiveness using a threshold of $100,000/QALY gained. RESULTS The 1-year cost-utility ratio (total cost/ΔQALY) for the control cohort was significantly lower ($143,251/QALY gained) than that of the rhBMP-2 cohort ($272,414/QALY gained) (P<0.01). At 1-year follow-up, the control group dominated the ICER compared with the rhBMP-2 group. CONCLUSIONS Statistically significant and clinically relevant improvements (through minimum clinically important differences) were seen for both cohorts. In the ICER analysis, the control cohort dominated the rhBMP-2 group. Assuming durable per year gains in QALY, by 2 years fusion with autograft but without rhBMP-2 would be considered cost-effective ($71,625/QALY gained), whereas fusion with both autograft and rhBMP-2 would not be cost-effective ($136,207/QALY gained).
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Drazin D, Shweikeh F, Wieshofer E, Kim TT, Johnson JP. Public awareness of the bone morphogenic protein controversy: Evidence from news publications. Surg Neurol Int 2015; 5:S529-35. [PMID: 25593772 PMCID: PMC4287900 DOI: 10.4103/2152-7806.148025] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/16/2014] [Accepted: 07/24/2014] [Indexed: 11/30/2022] Open
Abstract
Background: Use of recombinant human bone morphogenic protein-2 (rhBMP-2) in spinal fusion has seen a tremendous increase. Public awareness of rhBMP-2 and its complications has not been assessed. The authors studied published news media articles to analyze information provided to the public on this bone graft substitute. Methods: We utilized the academic database, LexisNexis, to locate newspaper articles published between January 2001 and July 2013. All articles were coded by a coder and reviewed by the principal investigator. Results: The search identified 87 national and 99 local newspaper articles. Complications mentioned in national newspapers included cancer (24%), retrograde ejaculation (24%), and abnormal bone growth (14%). Local newspapers cited cancer (14%), inflammation (14%), and retrograde ejaculation (9.2%) most frequently. Fifty national (59%) and 35 local (54%) articles had no mention of complications. Sources of evidence cited by articles were (in order of frequency): Governmental agencies, medical research or published studies, healthcare personnel or patients, and companies or corporations. Conclusions: Only a small percentage of newspaper articles presented potential complications. Despite lack of clear scientific causal relationship between rhBMP-2 and cancer, this risk was disproportionately reported. Additionally, many did not cite scientific sources. Lack of reliable information available to the public reiterates the role of physicians in discussing risks and benefits BMP use in spinal surgery, assuring that patients are making informed decisions. Future news media articles should present risks in an impartial and evidence-based manner. Collaboration between advocacy groups, medical institutions, and media outlets would be beneficial in achieving this goal.
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Affiliation(s)
- Doniel Drazin
- Department of Neurosurgery, Cedars Sinai-Medical Center, Los Angeles, USA
| | - Faris Shweikeh
- Department of Neurosurgery, Cedars Sinai-Medical Center, Los Angeles, USA
| | - Erich Wieshofer
- Department of Neurosurgery, Cedars Sinai-Medical Center, Los Angeles, USA
| | - Terrence T Kim
- Department of Orthopedics, Cedars Sinai-Medical Center, Los Angeles, USA
| | - J Patrick Johnson
- Department of Neurosurgery, Cedars Sinai-Medical Center, Los Angeles, USA ; Department of Neurosurgery, University of California Davis Medical Center, Sacramento California, USA
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Malham GM, Parker RM, Ellis NJ, Blecher CM, Chow FY, Claydon MH. Anterior lumbar interbody fusion using recombinant human bone morphogenetic protein-2: a prospective study of complications. J Neurosurg Spine 2014; 21:851-60. [PMID: 25279655 DOI: 10.3171/2014.8.spine13524] [Citation(s) in RCA: 53] [Impact Index Per Article: 5.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/19/2022]
Abstract
OBJECT The use of recombinant human bone morphogenetic protein-2 (rhBMP-2) in anterior lumbar interbody fusion (ALIF) is controversial regarding the reported complication rates and cost. The authors aimed to assess the complication rates of performing ALIF using rhBMP-2. METHODS This is a prospective study of consecutive patients who underwent ALIF performed by a single spine surgeon and a single vascular surgeon between 2009 and 2012. All patients underwent placement of a polyetheretherketone (PEEK) cage filled with rhBMP-2 and a separate anterior titanium plate. Preoperative clinical data, operative details, postoperative complications, and clinical and radiographic outcomes were recorded for all patients. Clinical outcome measures included back and leg pain visual analog scale scores, Oswestry Disability Index (ODI), and SF-36 Physical and Mental Component Summary (PCS and MCS) scores. Radiographic assessment of fusion was performed using high-definition CT scanning. Male patients were screened pre- and postoperatively regarding sexual dysfunction, specifically retrograde ejaculation (RE). RESULTS The study comprised 131 patients with a mean age of 45.3 years. There were 67 men (51.1%) and 64 women (48.9%). Of the 131 patients, 117 (89.3%) underwent ALIF at L5-S1, 9 (6.9%) at L4-5, and 5 (3.8%) at both L4-5 and L5-S1. The overall complication rate was 19.1% (25 of 131), with 17 patients (13.0%) experiencing minor complications and 8 (6.1%) experiencing major complications. The mean estimated blood loss per ALIF level was 115 ml. There was 1 incidence (1.5%) of RE. No significant vascular injuries occurred. No prosthesis failure occurred with the PEEK cage and separate anterior screw-plate. Back and leg pain improved 57.2% and 61.8%, respectively. The ODI improved 54.3%, with PCS and MCS scores improving 41.7% and 21.3%, respectively. Solid interbody fusion was observed in 96.9% of patients at 12 months. CONCLUSIONS Anterior lumbar interbody fusion with a vascular access surgeon and spine surgeon, using a separate cage and anterior screw-plate, provides a very robust and reliable construct with low complication rates, high fusion rates, and positive clinical outcomes, and it is cost-effective. The authors did not experience the high rates of RE reported by other authors using rhBMP-2.
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Siemionow K, Sundberg E, Tyrakowski M, Nandyala SV, Singh K. Point-counter-point debate: the association between recombinant human bone morphogenetic protein utilization and complications in spine surgery. Curr Rev Musculoskelet Med 2014; 7:200-7. [PMID: 24880879 PMCID: PMC4596156 DOI: 10.1007/s12178-014-9219-x] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 01/20/2023]
Abstract
Bone morphogenetic proteins (BMPs) have been utilized in spine surgery for over 10 years as a bone graft substitute. Potential BMP-related adverse effects including retrograde ejaculation and heterotopic neuroforaminal bone formation have been described. Additionally, some studies have suggested an association between BMP and cancer. Inconsistencies exist in the published spine literature with regards to the incidence and association of complications with BMP utilization. In a point-counterpoint format, this article discusses the current evidence concerning the relationship between the utilization of BMP in spinal fusion and the risk of cancer, retrograde ejaculation (RE), neuroforaminal bone formation, and its role in anterior cervical spine surgery and adolescents.
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Affiliation(s)
- Kris Siemionow
- />Department of Orthopedic Surgery, University of Illinois at Chicago, Chicago, IL USA
| | - Eric Sundberg
- />Department of Orthopaedic Surgery, Rush University Medical Center, 1611 W. Harrison St, Suite #300, Chicago, IL 60612 USA
| | - Marcin Tyrakowski
- />Department of Orthopedics, Pediatric Orthopedics and Traumatology, The Centre of Postgraduate Medical Education, Warsaw, Poland
| | - Sreeharsha V. Nandyala
- />Department of Orthopaedic Surgery, Rush University Medical Center, 1611 W. Harrison St, Suite #300, Chicago, IL 60612 USA
| | - Kern Singh
- />Department of Orthopaedic Surgery, Rush University Medical Center, 1611 W. Harrison St, Suite #300, Chicago, IL 60612 USA
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Prior abdominal surgery is associated with an increased risk of postoperative complications after anterior lumbar interbody fusion. Spine (Phila Pa 1976) 2014; 39:E650-6. [PMID: 24583724 DOI: 10.1097/brs.0000000000000293] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 02/01/2023]
Abstract
STUDY DESIGN Retrospective medical record review. OBJECTIVE The purpose of this study was to determine whether a history of abdominal/pelvic surgery confers an increased risk of retroperitoneal anterior approach-related complications when undergoing anterior lumbar interbody fusion. SUMMARY OF BACKGROUND DATA As anterior lumbar interbody fusion gains popularity, both anterior retroperitoneal approach have become increasingly used. METHODS The records of 263 patients, who underwent infraumbilical retroperitoneal approach to the anterior aspect of the lower lumbar spine for a degenerative spine condition between 2007 and 2011 were retrospectively reviewed. Patient's demographics, risk factors, preoperative diagnosis, surgical history, level of the anterior fusion, and perioperative complications were collected. Anterior retroperitoneal approach to the spine was carried out by a single general surgeon. RESULTS Ninety-seven patients (37%) developed at least 1 complication. Forty-nine percent of patients with a history of abdominal surgery developed a postoperative complication compared with 28% of patients without such history (RR = 1.747, P≤ 0.001). After controlling for other factors such as age, sex, body mass index, diagnostic groups, and preoperative comorbidities (hypertension, diabetes, and smoking status), these differences remained statistically significant. When each type of complication was considered separately, there was a statistically significant difference in the incidence of general complications (RR = 2.384, P = 0.007), instrumentation-related complications (RR = 2.954, P = 0.010), and complications related to the anterior approach (RR = 1.797, P = 0.021). CONCLUSION Anterior lumbar interbody fusion via a midline incision and a retroperitoneal approach was associated with 37% overall rate of complication. Patients with a history of abdominal or pelvic surgery are at a higher risk of developing general, instrumentation, and anterior approach-related complications.
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