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Reconstruction of abdominal wall

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https://www.readbyqxmd.com/read/28327475/free-breathing-black-blood-cine-fast-spin-echo-imaging-for-measuring-abdominal-aortic-wall-distensibility-a-feasibility-study
#1
Jyh-Miin Lin, Andrew Patterson, Tzu-Cheng Chao, Chengcheng Zhu, Hing-Chiu Chang, Jason Mendes, Hsiao-Wen Chung, Jonathan Gillard, Martin Graves
The paper reports a free-breathing black-blood CINE fast-spin echo (FSE) technique for measuring abdominal aortic wall motion. The free-breathing CINE FSE includes the following MR techniques: 1) variable-density sampling with fast iterative reconstruction; 2) inner-volume imaging; and 3) a blood-suppression preparation pulse. The proposed technique was evaluated in eight healthy subjects. The inner-volume imaging significantly reduced the intraluminal artifacts of respiratory motion (p = 0.015). The quantitative measurements were a diameter of 16...
March 22, 2017: Physics in Medicine and Biology
https://www.readbyqxmd.com/read/28327422/abdominal-wall-reconstruction-after-desmoid-type-fibromatosis-radical-resection-case-series-from-a-single-institution-and-review-of-the-literature
#2
S D Couto Netto, F Teixeira, C A M Menegozzo, A Albertini, E H Akaishi, E M Utiyama
BACKGROUND: Abdominal wall desmoid type fibromatosis management has been changing over recent years, from an aggressive approach towards a more conservative one. When radical resection is indicated, the surgical team faces the challenge of abdominal wall reconstruction, for which optimal technique is still debated. The present study reports the experience from a single center with abdominal closures after desmoid type fibromatosis resection. MATERIAL AND METHODS: Retrospective analysis of patients who underwent abdominal wall closure after sporadic abdominal desmoid type fibromatosis radical resection from 1982 to 2013...
March 1, 2017: International Journal of Surgery Case Reports
https://www.readbyqxmd.com/read/28322104/feasibility-of-laparoscopic-abdominal-wall-reconstruction-in-an-outpatient-community-hospital-setting-using-cptfe-prosthetic-mesh-a-prospective-multicenter-case-series
#3
Terry Unruh, Joseph Adjei Boachie, Eduardo Smith-Singares
Objective This study investigated the use of prosthetic condensed polytetrafluoroethylene (cPTFE) for laparoscopic ventral hernia repair (LVHR) in an outpatient community-hospital setting. Methods Patients underwent LVHR with cPTFE at one of three community hospitals. Primary endpoint was hernia recurrence at 1-year postoperatively. Secondary endpoints included pain, surgical site infection, medical/surgical complications, and patient-reported outcomes. Results This study included 65 females and 52 males, aged 46...
December 2016: Journal of International Medical Research
https://www.readbyqxmd.com/read/28322040/design-and-fabrication-of-a-thin-walled-freeform-scaffold-on-the-basis-of-medical-image-data-and-a-3d-printed-template-potential-use-in-bile-duct-regeneration
#4
Suk Hee Park, Bo-Kyeong Kang, Ji Eun Lee, Seung Woo Chun, Kiseok Jang, Youn Hwan Kim, Mi Ae Jeong, Yohan Kim, Kyo Jin Kang, Nak Kyu Lee, Dongho Choi, Han Joon Kim
Three-dimensional (3D) printing, combined with medical imaging technologies, such as computed tomography (CT) and magnetic resonance imaging (MRI), has shown great potential in patient-specific tissue regeneration. Here, we successfully fabricated an ultrathin tubular freeform structure that has a wall thickness of several tens of micrometers and is capable of providing sufficient mechanical flexibility. Such a thin geometry cannot easily be achieved by 3D printing alone; therefore, it was realized through a serial combination of processes that included the 3D printing of a sacrificial template, the dip-coating of the biomaterial, and the removal of the inner template...
March 21, 2017: ACS Applied Materials & Interfaces
https://www.readbyqxmd.com/read/28316225/-the-clinical-impact-of-artery-first-approach-combined-with-vascular-resection-and-reconstruction-in-the-treatment-of-pancreatic-head-carcinoma
#5
J L Huang, W G Li, F Z Chen, Z J Su, F M Li, B Liu
Objective: To evaluate the application of artery first, combined vascular resection and reconstruction in the treatment of pancreatic head carcinoma. Methods: The clinical data of 13 patients with pancreatic head cancer were retrospectively analyzed from February 2014 to March 2016 in the Affiliated Hospital of Xiamen University. Preoperative computed tomography of high resolution layer or magnetic resonance imaging examination demonstrated pancreatic head carcinoma, as well as close adhesion, stenosis, compression or displacement of superior mesenteric vein or portal vein wall...
March 23, 2017: Zhonghua Zhong Liu za Zhi [Chinese Journal of Oncology]
https://www.readbyqxmd.com/read/28306194/electrospun-biodegradable-microfibers-induce-new-collagen-formation-in-a-rat-abdominal-wall-defect-model-a-possible-treatment-for-pelvic-floor-repair
#6
Cecilie Glindtvad, Menglin Chen, Jens Vinge Nygaard, Lise Wogensen, Axel Forman, Carl Christian Danielsen, Mehmet Berat Taskin, Karl-Erik Andersson, Susanne Maigaard Axelsen
Half of the female population over age 50 years will experience pelvic organ prolapse. We suggest a new approach based on tissue engineering principles to functionally reconstruct the anatomical structures of the pelvic floor. The aim of this study is to investigate the mechanical performance and effect on collagen and elastin production of a degradable mesh releasing basic fibroblast growth factor (bFGF). Implantation of biodegradable mesh with or without bFGF in their core has been conducted in 40 rats in an abdominal wall defect model...
March 17, 2017: Journal of Biomedical Materials Research. Part B, Applied Biomaterials
https://www.readbyqxmd.com/read/28296717/abdominal-wall-allograft-preclinical-biomechanical-investigation-of-a-novel-reconstructive-adjunct
#7
Brent R DeGeorge, Jonathan Bryce Olenczak, Angela Pineros-Fernandez, Raymond F Morgan, Patrick S Cottler, David B Drake
INTRODUCTION: Acellular dermal matrices have revolutionized abdominal wall reconstruction; however, device failure and hernia recurrence remain significant problems. Fascia grafts are a reconstructive adjunct with increased tensile strength compared with acellular dermal matrices; however, clinical use is limited by insufficient donor material and donor site morbidity. To this end, we investigate the biomechanical properties of human abdominal wall allografts (AWAs) consisting of the anterior rectus sheath from xiphoid to pubis...
March 14, 2017: Annals of Plastic Surgery
https://www.readbyqxmd.com/read/28286041/combined-submuscular-tissue-expansion-and-anterior-component-separation-technique-for-abdominal-wall-reconstruction-long-term-outcome-analysis
#8
Brendan Alleyne, Cemile Nurdan Ozturk, Antonio Rampazzo, Jeffrey Johnson, Raffi Gurunluoglu
BACKGROUND: We report the long-term outcome analysis of 12 patients who underwent two-stage abdominal wall reconstruction using combined submuscular tissue expansion and anterior components separation (CS) technique. METHODS: Outcome measures were (1) the patients were assessed for the presence or absence of recurrence; (2) patient-reported outcomes on physical functioning in relation with the abdominal wall reconstruction were evaluated using the SF 36-item health survey...
February 17, 2017: Journal of Plastic, Reconstructive & Aesthetic Surgery: JPRAS
https://www.readbyqxmd.com/read/28282003/complex-ventral-hernia-repair-with-acellular-dermal-matrices-clinical-and-quality-of-life-outcomes
#9
John Scott Roth, Amanda Zachem, Margaret A Plymale, Daniel L Davenport
Acellular dermal matrices (ADMs) are used in conjunction with complex hernia repair, but their efficacy is often debated. This study assesses clinical and quality of life (QOL) outcomes in multiply comorbid patients undergoing complex ventral hernia repair using ADMs. After obtaining institutional review board approval, a prospective study was conducted evaluating patients undergoing complex ventral incisional hernia repair with abdominal wall reconstruction (AWR) using either human (Flex HD) or porcine ADM (Strattice)...
February 1, 2017: American Surgeon
https://www.readbyqxmd.com/read/28277071/chemical-component-separation-a-systematic-review-and-meta-analysis-of-botulinum-toxin-for-management-of-ventral-hernia
#10
Jason M Weissler, Michael A Lanni, Michael G Tecce, Martin J Carney, Valeriy Shubinets, John P Fischer
BACKGROUND: Ventral hernia represents a surgical challenge plagued by high morbidity and recurrence rates. Primary closure of challenging hernias is often prohibited by severe lateral retraction and tension of the abdominal wall musculature. Botulinum toxin injections have recently been identified as a potential pre-operative means to counteract abdominal wall tension, reduce hernia size, and facilitate fascial closure during hernia repair. This systematic review and meta-analysis reviews outcomes associated with botulinum toxin injections in the setting of ventral hernia, and demonstrates an opportunity to leverage this mainstream aesthetic product for use in abdominal wall reconstruction...
February 20, 2017: Journal of Plastic Surgery and Hand Surgery
https://www.readbyqxmd.com/read/28272279/preoperative-computed-tomography-angiogram-cta-measurement-of-abdominal-muscles-is-a-valuable-risk-assessment-for-bulge-formation-after-microsurgical-abdominal-breast-reconstruction
#11
Elisabeth A Kappos, Jeff Jaskolka, Kate Butler, Anne C O'Neill, Stefan Op Hofer, Toni Zhong
BACKGROUND: A major shortcoming associated with abdominal tissue breast reconstruction is the long-term abdominal wall morbidity. Although abdominal core muscle size on computed tomography angiogram (CTA) has been correlated with morbidity following many abdominal surgeries, it has not been studied for abdominal breast reconstruction. Therefore, we evaluated the association between preoperative CTA-derived measurements of abdominal core muscles and postoperative abdominal wall morbidity after abdominal tissue breast reconstruction...
March 6, 2017: Plastic and Reconstructive Surgery
https://www.readbyqxmd.com/read/28265733/major-complex-abdominal-wall-repair-in-contaminated-fields-with-use-of-a-non-cross-linked-biologic-mesh-a-dual-institutional-experience
#12
J J Atema, E J Furnée, Y Maeda, J Warusavitarne, P J Tanis, W A Bemelman, C J Vaizey, M A Boermeester
BACKGROUND: Data on the use of biologic mesh in abdominal wall repair in complex cases remain sparse. Aim of this study was to evaluate a non-cross-linked porcine acellular dermal matrix for repair of complex contaminated abdominal wall defects. METHODS: Retrospective observational cohort study of consecutive patients undergoing abdominal wall repair with use of Strattice™ Reconstructive Tissue Matrix (LifeCell Corporation, Oxford, UK) between January 2011 and February 2015 at two National Intestinal Failure Units...
March 6, 2017: World Journal of Surgery
https://www.readbyqxmd.com/read/28260602/recovery-after-abdominal-wall-reconstruction
#13
REVIEW
Kristian Kiim Jensen
Incisional hernia is a common long-term complication to abdominal surgery, occurring in more than 20% of all patients. Some of these hernias become giant and affect patients in several ways. This patient group often experiences pain, decreased perceived body image, and loss of physical function, which results in a need for surgical repair of the giant hernia, known as abdominal wall reconstruction. In the current thesis, patients with a giant hernia were examined to achieve a better understanding of their physical and psychological function before and after abdominal wall reconstruction...
March 2017: Danish Medical Journal
https://www.readbyqxmd.com/read/28249232/prevotella-intermedia-infection-causing-acute-and-complicated-aortitis-a-case-report
#14
C Boersma, L M Kampschreur, H Buter, B M Doorenbos, P Klinkert, G G Koning
INTRODUCTION: Aortitis is a general term that refers to all conditions involving an inflammation of the aortic wall. This case report describes the surgical approach of a patient with infectious and symptomatic aortitis caused by the rare vector Prevotella intermedia. PRESENTATION OF CASE: A 44-year old male patient was admitted with fever and general discomfort after a period of sore throat in a non-teaching hospital. After two weeks he developed acute abdominal and back pain accompanied by sweating and elevated infection parameters...
February 20, 2017: International Journal of Surgery Case Reports
https://www.readbyqxmd.com/read/28228932/a-clinically-relevant-in-vivo-model-for-the-assessment-of-scaffold-efficacy-in-abdominal-wall-reconstruction
#15
Jeffrey Cy Chan, Krishna Burugapalli, Yi-Shiang Huang, John L Kelly, Abhay Pandit
An animal model that allows for assessment of the degree of stretching or contraction of the implant area and the in vivo degradation properties of biological meshes is required to evaluate their performance in vivo. Adult New Zealand rabbits underwent full thickness subtotal unilateral rectus abdominis muscle excision and were reconstructed with the non-biodegradable Peri-Guard(®), Prolene(®) or biodegradable Surgisis(®) meshes. Following 8 weeks of recovery, the anterior abdominal wall tissue samples were collected for measurement of the implant dimensions...
January 2017: Journal of Tissue Engineering
https://www.readbyqxmd.com/read/28228200/complex-ventral-hernia-repair-with-acellular-dermal-matrices-clinical-and-quality-of-life-outcomes
#16
John Scott Roth, Amanda Zachem, Margaret A Plymale, Daniel L Davenport
Acellular dermal matrices (ADMs) are used in conjunction with complex hernia repair, but their efficacy is often debated. This study assesses clinical and quality of life (QOL) outcomes in multiply comorbid patients undergoing complex ventral hernia repair using ADMs. After obtaining institutional review board approval, a prospective study was conducted evaluating patients undergoing complex ventral incisional hernia repair with abdominal wall reconstruction (AWR) using either human (Flex HD) or porcine ADM (Strattice)...
February 1, 2017: American Surgeon
https://www.readbyqxmd.com/read/28226348/-the-key-points-of-prevention-for-special-surgical-complications-after-radical-operation-of-gastric-cancer
#17
Hao Xu, Weizhi Wang, Panyuan Li, Diancai Zhang, Li Yang, Zekuan Xu
Incidence of gastric cancer is high in China and standard radical operation is currently the main treatment for gastric cancer. Postoperative complications, especially some special complications, can directly affect the prognosis of patients, even result in the increase of mortality. But the incidences of these special complications are low, so these complications are often misdiagnosed and delayed in treatment owing to insufficient recognition of medical staff. These special complications include (1) Peterson hernia: It is an abdominal hernia developed in the space between Roux loop and transverse colon mesentery after Roux-Y reconstruction of digestive tract...
February 25, 2017: Zhonghua Wei Chang Wai Ke za Zhi, Chinese Journal of Gastrointestinal Surgery
https://www.readbyqxmd.com/read/28210557/desmoid-tumor-following-abdominally-based-free-flap-breast-reconstruction
#18
Christine Oh, Ziyad S Hammoudeh, Brian T Carlsen
Desmoid tumors are fibroblastic connective tissue tumors that most commonly develop within the anterior abdominal wall. The etiology of desmoid tumors has not been well defined; however, hereditary, hormonal, traumatic, and surgery-related causes have been implicated. Desmoid tumors are believed to arise from musculoaponeurotic structures. Development in the breast is very rare. Several reports of desmoid tumors arising in the vicinity of the fibrous capsule of a breast implant have been described, but to date, the authors are not aware of any published cases following autologous breast reconstruction...
February 2017: Gland Surgery
https://www.readbyqxmd.com/read/28181089/ventral-hernia-repair-in-patients-with-abdominal-loss-of-domain-an-observational-study-of-one-institution-s-experience
#19
F K Azar, T C Crawford, K E Poruk, N Farrow, P Cornell, O Nadra, S C Azoury, K C Soares, C M Cooney, F E Eckhauser
PURPOSE: Abdominal wall hernias are a common problem. The success of abdominal wall reconstruction decreases with increasing hernia size. This study summarizes the outcomes of one surgeon's experience using a "sandwich" technique for hernia repair in patients with loss of abdominal domain. METHODS: We reviewed our ventral hernia repair (VHR) experience from 2008 to 2015 among patients with loss of domain, as defined by a hernia defect greater than 300 cm(2). The percent of herniation through the defect, defined by a hernia sac-to-abdominal cavity volume ratio, was measured on preoperative CT scans by four independent reviewers and averaged...
April 2017: Hernia: the Journal of Hernias and Abdominal Wall Surgery
https://www.readbyqxmd.com/read/28160323/recipient-vessels-for-microsurgical-flaps-to-the-abdomen-a-systematic-review
#20
REVIEW
Raffi Gurunluoglu, Michael J Rosen
BACKGROUND: Large soft tissue defects of the abdominal wall resulting from various reasons may require free tissue transfer. METHODS: A literature search of PubMed and Cochrane electronic databases was conducted to identify articles involving abdominal wall reconstruction (AWR) with microsurgical flap. Number of cases, etiology, and reconstruction site, type of microsurgical flap and recipient vessels were analyzed. RESULTS: Thirty-eight articles published between 1983 and 2016 reported on 149 patients undergoing free flap AWR...
February 4, 2017: Microsurgery
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