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https://www.readbyqxmd.com/read/28537698/synthetic-mesh-repair-of-an-anterior-perineal-hernia-following-robotic-radical-urethrocystectomy
#1
Horacio J Alvarez Garzón, Thomas Maubon, Camille Jauffret, Pierre Vieille, Brigitte Fatton, Renaud de Tayrac
INTRODUCTION: Perineal hernia is a protrusion of intra-abdominal viscera through a defect in the pelvic floor and is a rare but challenging complication after extensive abdominoperineal surgery. There have been small series published after colorectal exenteration, but no cases have been reported after radical cystectomy and urethrectomy. CASE PRESENTATION: A 68 years old woman developed an anterior perineal hernia, with no vaginal prolapse, after an anterior exenteration for bladder cancer...
May 23, 2017: International Braz J Urol: Official Journal of the Brazilian Society of Urology
https://www.readbyqxmd.com/read/28537569/inguinal-pain-syndrome-the-influence-of-intraoperative-local-administration-of-0-5-bupivacaine-on-postoperative-pain-control-following-lichtenstein-hernioplasty-a-prospective-case-control-study
#2
Bartosz Cybułka
With current technological advancement and availability of synthetic materials used in inguinal hernia repair, a recurrence after first intervention is not a common and important adverse event. On the other hand, however, some patients complain about chronic pain of the operated site after surgeries using a polypropylene mesh. Many patients are constrained to a prolonged use of analgesics and increased frequency of control visits, which may eventually result in loss of trust in the operator. Every surgical intervention is associated with the risk of immediate or delayed complications...
April 30, 2017: Polski Przeglad Chirurgiczny
https://www.readbyqxmd.com/read/28508281/perineal-hernia-repair-after-abdominoperineal-excision-or-extralevator-abdominoperineal-excision-a-systematic-review-of-the-literature
#3
REVIEW
A Balla, G Batista Rodríguez, N Buonomo, C Martinez, P Hernández, J Bollo, E M Targarona
BACKGROUND: The incidence of perineal hernia after abdominoperineal excision and extralevator abdominoperineal excision ranges from 1 to 26%. In this systematic review, we compared surgical options and postoperative outcomes of perineal hernia repair in this setting from 2012 to 2016 with findings in a review of publications 1944-2011. METHODS: We searched the PubMed database using the keywords "hernia" AND "perineum" identified 392 papers published from 1946 to 2016...
May 15, 2017: Techniques in Coloproctology
https://www.readbyqxmd.com/read/28507825/spatiotemporal-strategies-for-joint-segmentation-and-motion-tracking-from-cardiac-image-sequences
#4
Huafeng Liu, Ting Wang, Lei Xu, Pengcheng Shi
Although accurate and robust estimations of the deforming cardiac geometry and kinematics from cine tomographic medical image sequences remain a technical challenge, they have significant clinical value. Traditionally, boundary or volumetric segmentation and motion estimation problems are considered as two sequential steps, even though the order of these processes can be different. In this paper, we present an integrated, spatiotemporal strategy for the simultaneous joint recovery of these two ill-posed problems...
2017: IEEE Journal of Translational Engineering in Health and Medicine
https://www.readbyqxmd.com/read/28505445/confining-potential-as-a-function-of-polymer-stiffness-and-concentration-in-entangled-polymer-solutions
#5
Masoumeh Keshavarz, Hans Engelkamp, Jialiang Xu, Onno I van den Boomen, Jan C Maan, Peter C M Christianen, Alan E Rowan
We directly track the tubelike motion of individual fluorescently labeled polymer molecules in a concentrated solution of unlabeled polymers. We use a single molecule wide-field fluorescence microscopy technique that is able to determine characteristic properties of the polymer dynamics, such as the confining potential, the tube diameter, and the Rouse time. The use of synthetic polymers allows us to investigate the confined motion of the polymer chains not only as a function of polymer concentration (mesh size) but also versus the persistence length of the matrix polymers...
May 25, 2017: Journal of Physical Chemistry. B
https://www.readbyqxmd.com/read/28503515/synthetic-versus-biological-mesh-related-erosion-after-laparoscopic-ventral-mesh-rectopexy-a-systematic-review
#6
REVIEW
Andrea Balla, Silvia Quaresima, Sebastian Smolarek, Mostafa Shalaby, Giulia Missori, Pierpaolo Sileri
PURPOSE: This review reports the incidence of mesh-related erosion after ventral mesh rectopexy to determine whether any difference exists in the erosion rate between synthetic and biological mesh. METHODS: A systematic search of the MEDLINE and the Ovid databases was conducted to identify suitable articles published between 2004 and 2015. The search strategy capture terms were laparoscopic ventral mesh rectopexy, laparoscopic anterior rectopexy, robotic ventral rectopexy, and robotic anterior rectopexy...
April 2017: Annals of Coloproctology
https://www.readbyqxmd.com/read/28492357/long-term-effectiveness-of-strattice-in-the-laparoscopic-closure-of-paraesophageal-hernias
#7
Daniel Lomelin, Alicia Smith, Nathan Bills, Amareshewar Chiruvella, Christopher Crawford, Crystal Krause, Robert Bayer, Dmitry Oleynikov
Prosthetic reinforcement reduces the recurrence rate of large paraesophageal hernias (PEH), but the use of synthetic or biosynthetic mesh in the repair remains controversial. PEH repair has reported recurrence rates of 12% to 42%, and primary repair of PEH by suture closure under tension is at high risk of disruption. Synthetic mesh use in large PEH repair has shown to reduce recurrence but can lead to problems including mesh erosion, ulceration, stricture, and dysphagia. The objective of this study was to examine the long-term safety and efficacy of Strattice biologic mesh, a porcine acellular dermal matrix, in crural reinforcement of laparoscopic large PEH repair...
June 2017: Surgical Innovation
https://www.readbyqxmd.com/read/28481045/pre-and-postoperative-magnetic-resonance-imaging-mri-findings-in-patients-treated-with-laparoscopic-sacrocolpopexy-is-it-a-safe-procedure-for-all-patients
#8
Dimitrios Zacharakis, Themos Grigoriadis, Charis Bourgioti, Eleni Pitsouni, Athanasios Protopapas, Lia A Moulopoulos, Stavros Athanasiou
INTRODUCTION: Laparoscopic sacrocolpopexy (LSCP) is a reference operation for apical compartment prolapse repair. Aim of this study is to describe the early and midterm postoperative MRI findings of the lumbosacral region (LSR) in patients undergoing LSCP and to detect any imaging changes that the presence of the mesh may cause on patients with preexisting degenerative disease of the LSR. METHODS: Patients with POP-Q grade III and IV uterovaginal or vaginal vault prolapse who were considered eligible for LSCP were invited to participate...
May 8, 2017: Neurourology and Urodynamics
https://www.readbyqxmd.com/read/28479238/challenging-the-myth-transvaginal-mesh-is-not-associated-with-carcinogenesis
#9
Bilal Chughtai, Art Sedrakyan, Jialin Mao, Dominique Thomas, Karyn S Eilber, J Quentin Clemens, Jennifer T Anger
PURPOSE: We sought to determine if there was a potential link between synthetic polypropylene mesh implantation for transvaginal pelvic organ prolapse (POP) and stress urinary incontinence (SUI) and carcinogenesis using statewide administrative data. MATERIALS AND METHODS: Adult women undergoing transvaginal surgery for POP or SUI) with mesh between January 2008 and December 2009 in New York State were identified using International Classification of Diseases, Ninth Revision, Clinical Modification (ICD-9-CM) procedure codes and Current Procedural Terminology Coding System, Fourth Edition (CPT-4) codes...
May 4, 2017: Journal of Urology
https://www.readbyqxmd.com/read/28476681/the-risk-of-recurrent-urinary-incontinence-requiring-surgery-after-suburethral-sling-removal-for-mesh-complications
#10
P Ramart, A L Ackerman, S Cohen, J H Kim, S Raz
OBJECTIVES: We sought to examine the risk of recurrent stress urinary incontinence (SUI) after suburethral sling mesh removal or excision. METHODS: We conducted a retrospective cohort study of patients who were continent before removal or excision of synthetic mid-urethral slings; this cohort of 278 subjects was much larger than seen in previous such studies. Patients with preoperative incontinence, additional vaginal mesh placements, prior mesh revision/excision, existing SUI, and prior pelvic radiation or fistula were excluded...
May 2, 2017: Urology
https://www.readbyqxmd.com/read/28470257/bio-inspired-synthetic-approaches-from-hierarchical-hybrid-supramolecular-assemblies-to-caco3-based-microspheres
#11
Bartosz Marzec, Lei Zhang, Nianyong Zhu, Wolfgang Schmitt
A bio-inspired synthetic approach to unprecedented hybrid supramolecular assemblies [Ca(Me2hda)(H2O)3]·H2O (1) and [Ca(C12hda)(H2O)2]·H2O (2), that are stabilized by iminodiacetate-substituted organic ligands is reported. The results of the single-crystal X-ray analysis of 1 further allowed the use of electron microscopy to verify the supramolecular structure of the fibrous assemblies of 2 that incorporate extended alkyl-substituted ligand derivatives. 2 reveals interesting features that distinguish these soft structures from purely inorganic, brittle materials: meshes of nanobelts transform on solid supports to form homogeneous films covering extended, micro-sized areas...
May 16, 2017: Dalton Transactions: An International Journal of Inorganic Chemistry
https://www.readbyqxmd.com/read/28464362/long-term-follow-up-of-anterior-vaginal-repair-a-comparison-among-colporrhaphy-colporrhaphy-with-reinforcement-by-xenograft-and-mesh
#12
Matteo Balzarro, Emanuele Rubilotta, Antonio B Porcaro, Nicolò Trabacchin, Alessandra Sarti, Maria A Cerruto, Salvatore Siracusano, Walter Artibani
AIMS: To assess the long-term complications and outcomes in patients treated for pelvic organ prolapse (POP) with transvaginal anterior colporrhaphy (AC) alone, transvaginal naterior AC with reinforcement by using porcine Xenograft (AC-P) (Pelvisoft® Biomesh), and transvaginal anterior repair with polypropylene mesh (AC-M). METHODS: This was a retrospective analysis of 109/123 consecutive patients, who underwent cystocele repair: 42 AC, 19 AC-P, and 48 AC-M. Subjective outcomes included validated questionnaires as well as questions that had not been previously validated...
May 2, 2017: Neurourology and Urodynamics
https://www.readbyqxmd.com/read/28462429/on-the-stiffness-of-the-mesh-and-urethral-mobility-a-finite-element-analysis
#13
Sofia Brandão, Marco Parente, Thuane Huyer Da Roza, Elisabete Silva, Isabel Maria Ramos, Teresa Mascarenhas, Renato Manuel Natal Jorge
Midurethral slings are used to correct urethral hypermobility in female stress urinary incontinence, defined as the complaint of involuntary urine leakage when the intra-abdominal pressure is increased. Structural and thermal features influence their mechanical properties, which may explain postoperative complications, e.g., erosion, urethral obstruction. We studied the effect of the mesh stiffness on urethral mobility at Valsalva maneuver, under impairment of the supporting structures (levator ani and/or ligaments), by using a numerical model...
May 2, 2017: Journal of Biomechanical Engineering
https://www.readbyqxmd.com/read/28460203/deep-ssi-after-mesh-mediated-groin-hernia-repair-management-and-outcome-in-an-emergency-surgery-department
#14
G Salamone, L Licari, G Augello, S Campanella, N Falco, R Tutino, G Cocorullo, R Gullo, C Raspanti, P De Marco, C Porrello, G Profita, G Gulotta
AIM: Mesh-mediated groin hernia repair is considered the goldstandard procedure. It has low recurrence rate. Rarely a deep Surgical Site Infection (SSI) is seen when a synthetic prosthesis is used. CASE REPORT: We describe a rare case of bilateral deep SSI after mesh-mediated groin hernia repair. Diagnosis was performed through the physical examination and radiological exams. Microbiological samples identified a methicillin-resistant Staphylococcus aureus responsible of the infection...
January 2017: Il Giornale di Chirurgia
https://www.readbyqxmd.com/read/28459685/spatially-adaptive-multi-scale-optimization-for-local-parameter-estimation-in-cardiac-electrophysiology
#15
Jwala Dhamala, Hermenegild Arevalo, John Sapp, Milan Horacek, Katherine Wu, Natalia Trayanova, Linwei Wang
To obtain a patient-specific cardiac electrophysiological (EP) model, it is important to estimate the threedimensionally distributed tissue properties of the myocardium. Ideally, the tissue property should be estimated at the resolution of the cardiac mesh. However, such high dimensional estimation face major challenges in identifiability and computation. Most existing works reduce this dimension by partitioning the cardiac mesh into a pre-defined set of segments. The resulting lowresolution solutions have a limited ability to represent the underlying heterogeneous tissue properties of varying sizes, locations and distributions...
April 25, 2017: IEEE Transactions on Medical Imaging
https://www.readbyqxmd.com/read/28451777/infantile-cranial-fasciitis-case-based-review-and-operative-technique
#16
Oliver E Flouty, Anthony J Piscopo, Marshall T Holland, Kingsley Abode-Iyamah, Leslie Bruch, Arnold H Menezes, Brian J Dlouhy
BACKGROUND: Cranial fasciitis (CF) is an uncommon benign primary lesion of the skull that typically affects the pediatric age group. Due to the rarity of CF, no prospective studies exist. Earliest description of this condition dates to 1980. The limited scientific and clinical literature regarding CF is dominated by case reports. For these reasons, questions pertaining to the true incidence, genetic risk factors, prognosis, and long-term outcome remain unanswered. DISCUSSION: Clinically, CF presents as a firm, painless, growing scalp mass that is typically not considered in the differential diagnosis...
April 27, 2017: Child's Nervous System: ChNS: Official Journal of the International Society for Pediatric Neurosurgery
https://www.readbyqxmd.com/read/28451705/demonstration-of-a-box-stitch-technique-for-laparoscopic-uterosacral-ligament-suspension
#17
Allison M Wyman, Lindsey Hahn, Emad Mikhail, Stuart Hart
AIM: We demonstrate a novel box stitch technique of laparoscopic post-hysterectomy uterosacral ligament suspension for apical prolapse in restorative pelvic reconstructive surgery. MATERIAL AND METHODS: We present a case of a 58yo female with symptomatic stage III pelvic organ prolapse with a history of a total abdominal hysterectomy 30 years prior. She strongly desired the usage of no synthetic or biologic mesh for her restorative surgical repair. This video provides a step-by-step guide on how to perform a laparoscopic box stitch as a technique for uterosacral ligament suspension as an apical native tissue option for patients with the need for post hysterectomy apical prolapse...
April 27, 2017: International Urogynecology Journal
https://www.readbyqxmd.com/read/28444543/cost-analysis-of-incisional-hernia-repair-with-synthetic-mesh-and-biological-mesh-an-italian-study
#18
Sabrina Rampado, Andrea Geron, Giovanni Pirozzolo, Angelica Ganss, Elisa Pizzolato, Romeo Bardini
Repair of an incisional hernia (IH) generates costs on several levels and domains of society. The aim of this study was to make a complete cost analysis of incisional hernia repair (IHR) with synthetic and biological mesh and to compare it with financial reimbursement. Patients were grouped into three levels to determine the complexity of their care, and hence, the costs involved. Group 1 included patients without comorbidities, who underwent a "standard" incisional hernia repair (SIHR), with synthetic mesh...
April 25, 2017: Updates in Surgery
https://www.readbyqxmd.com/read/28442143/polypropylene-mesh-seeded-with-fibroblasts-a-new-approach-for-the-repair-of-abdominal-wall-defects-in-rats
#19
A Mohsina, Naveen Kumar, A K Sharma, Sameer Shrivastava, Dayamon D Mathew, V Remya, Sonal, S K Maiti, Kiranjeet Singh, K P Singh
PURPOSE: The purpose of study was to develop bioengineered scaffolds by seeding primary mouse embryo fibroblast cells (p-MEF) on polypropylene mesh and to test its efficacy for the repair of abdominal wall defects in rats. METHODS: The study was conducted on 18 clinically healthy adult Wistar rats of either sex. The animals were randomly divided into two equal groups having nine animals in each group. In both the groups a 20mm×20mm size full thickness muscle defect was created under xylazine and ketamine anesthesia in the mid-ventral abdominal wall...
April 17, 2017: Tissue & Cell
https://www.readbyqxmd.com/read/28425679/soft-interactions-and-volume-exclusion-by-polymeric-crowders-can-stabilize-or-destabilize-transient-structure-in-disordered-proteins-depending-on-polymer-concentration
#20
Farai I Rusinga, David D Weis
The effects of macromolecular crowding on the transient structure of intrinsically disordered proteins is not well-understood. Crowding by biological molecules inside cells could modulate transient structure and alter IDP function. Volume exclusion theory and observations of structured proteins suggest that IDP transient structure would be stabilized by macromolecular crowding. Amide hydrogen exchange (HX) of IDPs in highly concentrated polymer solutions would provide valuable insights into IDP transient structure under crowded conditions...
April 20, 2017: Proteins
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