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Xiao S, Wang W, Zhao C, Ren P, Dong L, Zhang H, Ma F, Li X, Bian Y. A new mechanism in negative pressure wound therapy: interleukin-17 alters chromatin accessibility profiling. Am J Physiol Cell Physiol 2024; 327:C193-C204. [PMID: 38682240 DOI: 10.1152/ajpcell.00650.2023] [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: 11/28/2023] [Revised: 04/04/2024] [Accepted: 04/23/2024] [Indexed: 05/01/2024]
Abstract
Negative pressure wound therapy (NPWT) is extensively used in clinical settings to enhance the healing of wounds. Despite its widespread use, the molecular mechanisms driving the efficacy of NPWT have not been fully elucidated. In this study, skin wound-healing models were established, with administration of NPWT. Vimentin, collagen I, and MMP9 of skin tissues were detected by immunofluorescence (IF). Gene expression analysis of skin wound tissues was performed by RNA-sequencing (RNA-seq). Protein expression was assayed by a Western blotting or IF assay, and mRNA levels were quantified by quantitative PCR. Chromatin accessibility profiles of fibroblasts following NPWT or IL-17 exposure were analyzed by ATAC-seq. In rat wound-healing models, NPWT promoted wound repair by promoting reepithelialization, extracellular matrix (ECM) synthesis, and proliferation, which mainly occurred in the early stage of wound healing. These differentially expressed genes (DEGs) in NPWT wounds versus control wounds were enriched in the IL-17 signaling pathway. IL-17 was identified as an upregulated factor following NPWT in skin wounds. Moreover, the IL-17 inhibitor secukinumab (SEC) could abolish the promoting effect of NPWT on wound healing. Importantly, chromatin accessibility profiles were altered following NPWT and IL-17 stimulation in skin fibroblasts. Our findings suggest that NPWT upregulates IL-17 to promote wound healing by altering chromatin accessibility, which is a novel mechanism for NPWT's efficacy in wound healing.NEW & NOTEWORTHY To our knowledge, this is the first report of the efficacy of negative pressure wound therapy (NPWT) in promoting wound healing via IL-17. Moreover, NPWT and IL-17 can alter chromatin accessibility. Our study identifies a novel mechanism for NPWT's efficacy in wound healing.
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Affiliation(s)
- Shuao Xiao
- Department of Plastic and Burn Surgery, Second Affiliated Hospital of Air Force Medical University, Xi'an, People's Republic of China
| | - Wenxuan Wang
- Department of Burn Plastic and Wound Repair, School of Medicine, Xiang'an Hospital of Xiamen University, Xiamen University, Xiamen, People's Republic of China
| | - Congying Zhao
- Department of Plastic and Burn Surgery, Second Affiliated Hospital of Air Force Medical University, Xi'an, People's Republic of China
| | - Pan Ren
- Department of Plastic and Burn Surgery, Second Affiliated Hospital of Air Force Medical University, Xi'an, People's Republic of China
| | - Liwei Dong
- Department of Plastic Surgery, First Affiliated Hospital of Air Force Medical University, Xi'an, People's Republic of China
| | - Hao Zhang
- Department of Plastic and Burn Surgery, Joint Logistics Support Force of Chinese PLA, Puer, People's Republic of China
| | - Fuxin Ma
- Department of Plastic and Burn Surgery, Second Affiliated Hospital of Air Force Medical University, Xi'an, People's Republic of China
| | - Xueyong Li
- Department of Plastic and Burn Surgery, Second Affiliated Hospital of Air Force Medical University, Xi'an, People's Republic of China
| | - Yongqian Bian
- Department of Plastic and Burn Surgery, Second Affiliated Hospital of Air Force Medical University, Xi'an, People's Republic of China
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Zhao J, Shi K, Zhang N, Hong L, Yu J. Assessment between antiseptic and normal saline for negative pressure wound therapy with instillation and dwell time in diabetic foot infections. Sci Rep 2024; 14:11423. [PMID: 38763922 PMCID: PMC11102898 DOI: 10.1038/s41598-024-58900-3] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/30/2024] [Accepted: 04/04/2024] [Indexed: 05/21/2024] Open
Abstract
Negative pressure wound therapy with instillation and dwell time (NPWTi-d) is increasingly used for a diverse range of wounds. Meanwhile, the topical wound irrigation solution consisting of polyhexamethylene biguanide and betaine (PHMB-B) has shown efficacy in managing wound infections. However, the effectiveness of this solution as a topical instillation solution for NPWTi-d in patients with diabetic foot infections (DFIs) has not been thoroughly studied. The objective of this retrospective study was to evaluate the impact of using PHMB-B as the instillation solution during NPWTi-d on reducing bioburden and improving clinical outcomes in patients with DFIs. Between January 2017 and December 2022, a series of patients with DFIs received treatment with NPWTi-d, using either PHMB-B or normal saline as the instillation solution. Data collected retrospectively included demographic information, baseline wound characteristics, and treatment outcomes. The study included 61 patients in the PHMB-B group and 73 patients in the normal saline group, all diagnosed with DFIs. In comparison to patients treated with normal saline, patients with PHMB-B exhibited no significant differences in terms of wound bed preparation time (P = 0.5034), length of hospital stay (P = 0.6783), NPWTi-d application times (P = 0.1458), duration of systematic antimicrobial administration (P = 0.3567), or overall cost of hospitalization (P = 0.6713). The findings of the study suggest that the use of either PHMB-B or normal saline as an instillation solution in NPWTi-d for DFIs shows promise and effectiveness, yet no clinical distinction was observed between the two solutions.
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Affiliation(s)
- Jingchun Zhao
- Department of Burn Surgery, the First Hospital of Jilin University, No. 71 Xinmin Street, Changchun, 130021, People's Republic of China
| | - Kai Shi
- Department of Burn Surgery, the First Hospital of Jilin University, No. 71 Xinmin Street, Changchun, 130021, People's Republic of China
| | - Nan Zhang
- Department of Burn Surgery, the First Hospital of Jilin University, No. 71 Xinmin Street, Changchun, 130021, People's Republic of China
| | - Lei Hong
- Department of Burn Surgery, the First Hospital of Jilin University, No. 71 Xinmin Street, Changchun, 130021, People's Republic of China
| | - Jiaao Yu
- Department of Burn Surgery, the First Hospital of Jilin University, No. 71 Xinmin Street, Changchun, 130021, People's Republic of China.
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Cong B, Chen M. Evaluating the efficacy of combined flap coverage, antibiotic-loaded bone cement and negative pressure irrigation in traumatic osteomyelitis management. Int Wound J 2024; 21:e14650. [PMID: 38272791 PMCID: PMC10794078 DOI: 10.1111/iwj.14650] [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: 11/18/2023] [Revised: 12/18/2023] [Accepted: 12/19/2023] [Indexed: 01/27/2024] Open
Abstract
Traumatic osteomyelitis with accompanying soft tissue defects presents a significant therapeutic challenge. This prospective, randomised controlled trial aims to evaluate the efficacy of antibiotic-impregnated bone cement, flap coverage and negative pressure sealed irrigation in the management of traumatic osteomyelitis complicated by soft tissue defects. A total of 46 patients with clinically diagnosed traumatic osteomyelitis and soft tissue defects were randomised into a control group (n = 23) and an observation group (n = 23). The control group underwent standard flap coverage and negative-pressure lavage, while the observation group received an additional treatment with antibiotic-loaded bone cement. Efficacy was measured based on clinical criteria, surgical metrics and morphometric assessment of bone and soft tissue defects. Statistical analyses were performed using SPSS version 27.0. The observation group, treated with an integrated approach of flap coverage, negative pressure wound therapy (NPWT) and antibiotic-impregnated bone cement, demonstrated significantly higher overall treatment efficacy (91.3%) compared to the control group, which received only flap coverage and NPWT (65.2%) (p < 0.01). This enhanced efficacy was evidenced through various outcomes: the observation group experienced reduced surgical times, shorter hospital stays, fewer dressing changes and accelerated wound healing, all statistically significant (p < 0.001). Additionally, a quantitative analysis at 6-month post-treatment revealed that the observation group showed more substantial reductions in both bone and soft tissue defect sizes compared to the control group (p < 0.001). The multi-modal treatment strategy, combining skin flap coverage, antibiotic bone cement and negative-pressure irrigation, showed marked efficacy in treating traumatic osteomyelitis and associated soft tissue defects. This approach accelerated postoperative recovery and lowered costs.
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Affiliation(s)
- Bo Cong
- Department of OrthopedicsYantaishan Hospital Affiliated to Binzhou Medical UniversityYantaiChina
- Yantai Key Laboratory for Repair and Reconstruction of Bone & JointYantaishan Hospital Affiliated to Binzhou Medical UniversityYantaiChina
| | - Mingqi Chen
- Department of OrthopedicsYantaishan Hospital Affiliated to Binzhou Medical UniversityYantaiChina
- Yantai Key Laboratory for Repair and Reconstruction of Bone & JointYantaishan Hospital Affiliated to Binzhou Medical UniversityYantaiChina
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McAuliffe PB, Winter EE, Talwar AA, Desai AA, Broach RB, Fischer JP. Pressure Ulcer Trends in the United States: A Cross-Sectional Assessment from 2008-2019. Am Surg 2023; 89:5609-5618. [PMID: 36825400 DOI: 10.1177/00031348231158691] [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] [Indexed: 02/25/2023]
Abstract
INTRODUCTION Decubitus ulcers are a morbid and costly problem faced by healthcare systems and patients across the country. We aim to examine current patterns and characteristics of patients admitted to the hospital with a pressure ulcer. MATERIALS AND METHODS From a nationally representative sample of hospital discharge records, the Nationwide Inpatient Sample (NIS), patients with a diagnosis of pressure ulcer 2008-2019 were identified. Patient volume, demographic and clinical data were analyzed for change over time. RESULTS The volume of pressure ulcer patients as a proportion of all hospital patients remained constant from 2008 to 2019 (P = .479). During the study period, the proportion of ulcer patients that underwent an ulcer-related procedure significantly decreased (P < .001) while the proportion of ulcers considered severe significantly increased (P < .001). CONCLUSIONS Our analysis suggests the prevalence of decubitus ulcers remained stable during the time period, with increased severity but reduced frequency of operative intervention.
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Affiliation(s)
- Phoebe B McAuliffe
- Department of Surgery, Division of Plastic Surgery, University of Pennsylvania, Philadelphia, PA USA
| | - Eric E Winter
- Department of Surgery, Division of Plastic Surgery, University of Pennsylvania, Philadelphia, PA USA
| | - Ankoor A Talwar
- Department of Surgery, Division of Plastic Surgery, University of Pennsylvania, Philadelphia, PA USA
| | - Abhishek A Desai
- Department of Surgery, Division of Plastic Surgery, University of Pennsylvania, Philadelphia, PA USA
| | - Robyn B Broach
- Department of Surgery, Division of Plastic Surgery, University of Pennsylvania, Philadelphia, PA USA
| | - John P Fischer
- Department of Surgery, Division of Plastic Surgery, University of Pennsylvania, Philadelphia, PA USA
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Saini R, Jeyaraman M, Jayakumar T, Iyengar KP, Jeyaraman N, Jain VK. Evolving Role of Negative Pressure Wound Therapy with Instillation and Dwell Time (NPWTi-d-) in Management of Trauma and Orthopaedic Wounds: Mechanism, Applications and Future Perspectives. Indian J Orthop 2023; 57:1968-1983. [PMID: 38009182 PMCID: PMC10673762 DOI: 10.1007/s43465-023-01018-x] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 08/22/2023] [Accepted: 10/07/2023] [Indexed: 11/28/2023]
Abstract
Introduction Negative Pressure Wound Therapy (NPWT) is a well-established method to promote wound healing by delivering negative pressure (a vacuum) at the wound site. Enhancement of NPWT techniques may allow an innovative way of treating trauma and orthopaedic wounds which provide unique challenges. We explore the role of negative pressure wound therapy with instillation and dwell time (NPWTi-d-) in the management of trauma and orthopaedic wounds. Materials and Methods A comprehensive search strategy was conducted using databases of PubMed, Web of Science, Google Scholar, and Cochrane Library with the search words of 'NPWTid' or 'NPWTi-d-' or 'NPWT with instillation' or 'Negative pressure wound treatment with instillation' to generate this narrative review. The mechanism of action of NPWTi-d-, installation solutions and current applications in the trauma and orthopaedic wounds is evaluated. Results NPWTi-d- provides additional mechanism to promote wound healing in a spectrum of acute and chronic orthopaedic wounds. The technique allows local delivery of hydration and elution of antibiotics to support growth of healthy granulation tissue. Various mechanism of actions contribute in drawing the wound edges together, reduce oedema, help decontamination, deliver local antibiotic and promote healing. Conclusion NPWTi-d- permits an enhanced, supplementary technique to encourage wound healing in challenging traumatic and orthopaedic wounds. Future applications of NPWTi-d- will depend on cost-effectiveness analysis and development of its application guidelines based on longitudinal, randomized controlled research trials.
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Affiliation(s)
- Ravi Saini
- Department of Orthopaedics, Atal Bihari Vajpayee Institute of Medical Sciences, Dr Ram Manohar Lohia Hospital, New Delhi, India
| | - Madhan Jeyaraman
- Department of Orthopaedics, ACS Medical College and Hospital, Dr MGR Educational and Research Institute, Chennai, Tamil Nadu India
| | - Tarun Jayakumar
- Department of Orthopaedics, KIMS-Sunshine Hospital, Hyderabad, Telangana India
| | | | - Naveen Jeyaraman
- Department of Orthopaedics, ACS Medical College and Hospital, Dr MGR Educational and Research Institute, Chennai, Tamil Nadu India
| | - Vijay Kumar Jain
- Department of Orthopaedics, Atal Bihari Vajpayee Institute of Medical Sciences, Dr Ram Manohar Lohia Hospital, New Delhi, India
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Awad SS, Stern JD, Milne CT, Dowling SG, Sotomayor R, Ayello EA, Feo Aguirre LJ, Khalaf BZ, Gould LJ, Desvigne MN, Chaffin AE. Surgical Reconstruction of Stage 3 and 4 Pressure Injuries: A Literature Review and Proposed Algorithm from an Interprofessional Working Group. Adv Skin Wound Care 2023; 36:249-258. [PMID: 37079788 PMCID: PMC10144322 DOI: 10.1097/01.asw.0000922708.95424.88] [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: 12/06/2022] [Accepted: 02/07/2022] [Indexed: 04/22/2023]
Abstract
OBJECTIVE Stage 3 and 4 pressure injuries (PIs) present an enormous societal burden with no clearly defined interventions for surgical reconstruction. The authors sought to assess, via literature review and a reflection/evaluation of their own clinical practice experience (where applicable), the current limitations to the surgical intervention of stage 3 or 4 PIs and propose an algorithm for surgical reconstruction. METHODS An interprofessional working group convened to review and assess the scientific literature and propose an algorithm for clinical practice. Data compiled from the literature and a comparison of institutional management were used to develop an algorithm for the surgical reconstruction of stage 3 and 4 PIs with adjunctive use of negative-pressure wound therapy and bioscaffolds. RESULTS Surgical reconstruction of PI has relatively high complication rates. The use of negative-pressure wound therapy as adjunctive therapy is beneficial and widespread, leading to reduced dressing change frequency. The evidence for the use of bioscaffolds both in standard wound care and as an adjunct to surgical reconstruction of PI is limited. The proposed algorithm aims to reduce complications typically seen with this patient cohort and improve patient outcomes from surgical intervention. CONCLUSIONS The working group has proposed a surgical algorithm for stage 3 and 4 PI reconstruction. The algorithm will be validated and refined through additional clinical research.
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Affiliation(s)
- Samir S Awad
- Samir S. Awad, MD, MPH, FACS, is Professor of Surgery, Baylor College of Medicine and Chief of Surgery, Michael E. DeBakey VA Medical Center, Houston, Texas, USA. James D. Stern, MD, FACS, is Plastic Surgeon, Memorial Regional Hospital, Hollywood, Florida. Cathy T. Milne, APRN, MSN, ANP/ACNS-BC, CWOCN-AP, is Co-owner, Connecticut Clinical Nursing Associates, Bristol, Connecticut. Shane G. Dowling, MSPAS, PA-C, CWS, is Medical Science Liaison, Aroa Biosurgery Limited, Auckland, New Zealand. Ron Sotomayor, BA, RN, CWOCN, is a wound, ostomy, and continence nurse, Advent Health, Orlando, Florida. Elizabeth A. Ayello, PhD, MS, RN, ETN, CWON, FAAN, is Editor-in-Chief, Advances in Skin & Wound Care and President, Ayello, Harris and Associates Incorporated, Copake, New York. Leandro J. Feo Aguirre, MD, FACS, is Colorectal Surgeon, Palm Beach Health Network, Del Ray Beach, Florida. Basil Z. Khalaf, MD, is Wound Care Physician, The MEDIKAL Group, Houston, Texas. Lisa J. Gould, MD, is Plastic Surgeon, South Shore Health, Weymouth, Massachusetts. Michael N. Desvigne, MD, FACS, CWS, is Plastic Surgeon, Desvigne Plastic Surgery and Abrazo Health, Scottsdale, Arizona. Abigail E. Chaffin, MD, FACS, CWSP, is Associate Professor of Surgery and Chief, Division of Plastic Surgery, Tulane University and Medical Director, MedCentris Wound Healing Institute, New Orleans, Louisiana
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Kandi LA, Rangel IC, Movtchan NV, Van Spronsen NR, Kruger EA. Comprehensive Management of Pressure Injury. Phys Med Rehabil Clin N Am 2022; 33:773-787. [DOI: 10.1016/j.pmr.2022.06.002] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
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Positionspapier der Initiative Chronische Wunde (ICW) e. V. zur Nomenklatur des Débridements chronischer Wunden. Hautarzt 2022; 73:369-375. [PMID: 35072741 PMCID: PMC9085679 DOI: 10.1007/s00105-022-04944-3] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 01/05/2022] [Indexed: 11/04/2022]
Abstract
Die heute in der Wundbehandlung verwendete Nomenklatur ist interdisziplinär und interprofessionell sehr unterschiedlich. Daher ist es ein Anliegen der Fachgesellschaft Initiative Chronische Wunde (ICW) e. V. bislang unklare Begriffe eindeutig und nachvollziehbar zu beschreiben. Von den Experten der ICW wurde daher in einem Konsensusverfahren als Débridement chronischer Wunden die Entfernung von anhaftendem, abgestorbenem Gewebe, Krusten oder Fremdkörpern aus Wunden bezeichnet. Hierfür gibt es verschiedene Therapieoptionen, die als autolytisches, biochirurgisches, mechanisches, osmotisches, proteolytisches/enzymatisches und technisches Débridement unterschieden werden können. Bei dem chirurgischen Débridement wird zudem zwischen meist ambulant durchführbaren scharfen Débridements wie beispielsweise kleineren chirurgischen Eingriffen und chirurgischen Débridements mit adäquater Anästhesie in einem Operationssaal differenziert. Als Wundspülung wird von der ICW die Entfernung von nicht haftenden Bestandteilen auf Wunden mit sterilen Lösungen bezeichnet. Débridement und/oder Wundspülung sind oft der erste Schritt einer phasengerechten modernen Wundbehandlung. Mehrere Methoden eignen sich für die Anwendung einer kombinierten oder sukzessiven Therapie. Bei der Entscheidung, welche therapeutische Option hierbei zum Einsatz kommt, sollte eine Vielzahl individuell unterschiedlicher Faktoren in Abhängigkeit von den zu behandelnden Patienten, aber auch von den Therapeuten berücksichtigt werden. Die letztendliche individuelle Entscheidung für eine Methode sollte jeweils gemeinsam mit den Patienten getroffen und anschließend adäquat dokumentiert werden.
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Wu L, Wen B, Xu Z, Lin K. Research progress on negative pressure wound therapy with instillation in the treatment of orthopaedic wounds. Int Wound J 2022; 19:1449-1455. [PMID: 35029043 PMCID: PMC9493210 DOI: 10.1111/iwj.13741] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/31/2021] [Accepted: 12/02/2021] [Indexed: 12/28/2022] Open
Abstract
Negative pressure wound therapy with instillation (NPWTi) has the dual function of negative pressure sealing drainage and irrigation, which overcomes the disadvantages of NPWT, such as tube obstruction, inability to apply topical medicine, and poor anti‐infection ability. NPWTi has been researched extensively and widely used in various types of wounds, and certain effects have been achieved. A series of parameters for NPWTi have not been unified at present, including the flushing fluid option, flushing mode, and treatment period. This paper reviews the research progress of these parameters for NPWTi and their application in the treatment of orthopaedic wounds.
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Affiliation(s)
- Lijiao Wu
- Department of Orthopedic Surgery, Fujian Provincial Hospital Jinshan Branch, Fuzhou, China.,Shengli Clinical Medical College, Fujian Medical University, Fuzhou, China
| | - Baoyu Wen
- Department of Orthopedic Surgery, Fujian Provincial Hospital Jinshan Branch, Fuzhou, China.,Shengli Clinical Medical College, Fujian Medical University, Fuzhou, China
| | - Zhaorong Xu
- Burn and Wound Repair Department, Fujian Medical University Union Hospital, Fuzhou, China
| | - Kefeng Lin
- Department of Orthopedic Surgery, Fujian Provincial Hospital Jinshan Branch, Fuzhou, China.,Shengli Clinical Medical College, Fujian Medical University, Fuzhou, China
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