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Linea alba

Alexandra M Moore, Lisa N Anderson, David C Chen
INTRODUCTION: Minimally invasive laparoscopic and robotic techniques for ventral hernia repair have evolved to achieve the benefits and minimize the limitations of both the open Rives-Stoppa sublay mesh repair and laparoscopic intraperitoneal onlay mesh (IPOM) repair. By combining the principles of a retromuscular repair with the benefits of a minimally invasive approach, these techniques attempt to decrease recurrence, increase functionality, exclude mesh from the viscera, limit infection and wound complications, and minimize pain...
October 6, 2016: Surgical Technology International
João Vicente Machado Grossi, Felipe Fernandes Nicola, Ivan Alberto Zepeda, Martina Becker, Eduardo Neubarth Trindade, Vinicius Von Diemen, Leandro Totti Cavazzola, Manoel Roberto Maciel Trindade
Background: The evaluation of collagen in the abdominal wall has been increasingly studied because of the relevance on collagen in the healing process after laparotomy. Aim: To evaluate the amount of collagen in the linea alba of patients undergoing laparotomic bariatric surgery and comparing with non-obese cadavers. Methods: Were evaluated 88 samples of aponeurosis from abdominal linea alba of 44 obese patients (obesity group) and 44 non-obese cadavers (control group)...
2016: Arquivos Brasileiros de Cirurgia Digestiva: ABCD, Brazilian Archives of Digestive Surgery
Devender, Ramesh Kumar Chandolia, Anand Kumar Pandey, Vishal Yadav, Parveen Kumar, Jasmer Dalal
AIM: The present study was conducted on advanced pregnant buffaloes suffering from uterine torsion to assess the status of fetus and uterus by transabdominal ultrasonography, and the findings were compared with normal advanced pregnant buffaloes. MATERIALS AND METHODS: The study was conducted on 20 clinical cases of uterine torsion and 20 normal advanced pregnant buffaloes (control group). The lower ventral area just lateral to linea alba (on both sides of the udder) in standing animals was scanned transabdominally by the two-dimensional convex transducer for various ultrasonographic findings...
August 2016: Veterinary World
Lee Stoner, Morgane Geoffron, Jon Cornwall, Victoria Chinn, Martin Gram, Daniel Credeur, Simon Fryer
Recently, it was reported that intra-abdominal thickness (IAT) assessments using ultrasound are most reliable if measured from the linea alba to the anterior vertebral column. These 2 anatomical sites can be simultaneously visualized using a linear array transducer. Linear array transducers have different operational characteristics when compared with conventional curved array transducers and are more reliable for some ultrasound-derived measures such as abdominal subcutaneous fat thickness. However, it is unknown whether linear array transducers facilitate more reliable IAT measurements than curved array transducers...
September 2, 2016: Ultrasound Quarterly
Jae Hwa Jung, Mo Kyung Jung, Ki Eun Kim, Ah Reum Kwon, Hyun Wook Chae, Choon Sik Yoon, Ho Seong Kim, Duk-Hee Kim
PURPOSE: Abdominal obesity is a fundamental factor underlying the development of metabolic syndrome. Because of radiation exposure and cost, computed tomography or dual-energy X-ray absorptiometry to evaluate abdominal adiposity are not appropriate in children. Authors evaluated whether ultrasound results could be an indicator of insulin resistance and nonalcoholic fatty liver disease (NAFLD). METHODS: We enrolled 73 subjects (aged 6-16 years) who were evaluated abdominal adiposity by ultrasound...
June 2016: Annals of Pediatric Endocrinology & Metabolism
Gerard M Cooney, Spencer P Lake, Dominic M Thompson, Ryan M Castile, Des C Winter, Ciaran K Simms
There are few studies on the stress-stretch behaviour of human linea alba, yet understanding the mechanics of this tissue is important for developing better methods of abdominal wound closure. Published data focuses mainly on porcine linea alba and for human tissue there are conflicting results and no bi-axial data available. This variability is likely due to challenges with the physical dimensions of the tissue and differences in experimental methodology. This study focussed on the tensile mechanical characterisation of the human linea alba using uniaxial and equi-load biaxial testing performed using image-based strain measurement methods...
October 2016: Journal of the Mechanical Behavior of Biomedical Materials
Diane Lee, Paul W Hodges
Study Design Cross-sectional repeated measures. Background Rehabilitation of diastasis rectus abdominis (DRA) generally aims to reduce the inter-rectus distance (IRD). We tested the hypothesis that activation of the transversus abdominis (TrA) before a curl-up would reduce IRD narrowing, with less linea alba (LA) distortion/deformation, which may allow better force transfer between sides of the abdominal wall. Objectives This study investigated behavior of the LA and IRD during curl-ups performed naturally and with preactivation of the TrA...
July 2016: Journal of Orthopaedic and Sports Physical Therapy
Joshua S Winder, Jerome Lyn-Sue, Allen R Kunselman, Eric M Pauli
INTRODUCTION: Posterior component separation herniorrhaphy via transversus abdominis release (TAR) permits midline reapproximation of large fascial defects. To date, no report delineates the reduction in tensile force to reapproximate midline fascia following TAR. We hypothesized that open and laparoscopic TAR would provide similar reductions in midline reapproximation forces in a porcine model. METHODS: Under general anesthesia, a 20-cm midline laparotomy was created and bilateral lipocutaneous flaps were raised to expose the anterior rectus sheath...
June 28, 2016: Surgical Endoscopy
Kristian K Jensen, Kanzah Munim, Michael Kjaer, Lars N Jorgensen
OBJECTIVE: The aim of the study was to examine abdominal wall function in patients undergoing abdominal wall reconstruction (AWR) for incisional hernia. BACKGROUND: The literature on abdominal wall function in patients with incisional hernia is sparse. It has been suggested that AWR leads to improvement in function, but it is unknown whether this is specific to the abdominal wall or due to an improvement in overall physical fitness. METHODS: We performed a prospective case-control study of 18 consecutive patients with large incisional hernia undergoing AWR with linea alba restoration...
June 8, 2016: Annals of Surgery
Ferdinand Köckerling, Marinos Damianos Botsinis, Christine Rohde, Wolfgang Reinpold
INTRODUCTION: Symptomatic umbilical and/or epigastric hernias are often seen concomitantly with rectus abdominis diastasis (RAD), and suture repair of such defects has a high recurrence rate. In the literature, there are reports of both endoscopic and open techniques for repair of symptomatic umbilical and/or epigastric hernias in association with RAD. This paper now reports on the early results of a hybrid technique used for reconstruction of the linea alba and mesh augmentation [endoscopic-assisted linea alba reconstruction plus mesh augmentation (ELAR plus)]...
2016: Frontiers in Surgery
Pablo Fernández-Crehuet, Ricardo Ruiz-Villaverde
No abstract text is available yet for this article.
May 2016: Sultan Qaboos University Medical Journal
Won Ha, Sin Young Song, Chi Sun Yoon, Kyu Nam Kim
Diastasis recti abdominis is a condition defined as the separation between the rectus abdominis and the linea alba, which leads to weakness in the abdominal muscles. Diastasis may be slight or severe, sometimes resulting in herniation of the abdominal viscera. Following childbirth, most women develop some extent of muscle separation in the postpartum period. However, if the diastasis recti abdominis in the postpartum period remain severe, it should be corrected to prevent concurrent abdominal hernia, strangulation or incarceration...
April 22, 2016: International Surgery
A Levillain, M Orhant, F Turquier, T Hoc
The linea alba is a complex structure commonly involved in hernia formation. Knowledge of its mechanical behavior is essential to design suitable meshes and reduce the risk of recurrence. The aim of this study was to investigate the relationships between the mechanical properties of the linea alba and the organization of collagen and elastin fibers. For that purpose, longitudinal and transversal samples were removed from four porcine and three human linea alba, to perform tensile tests under a biphotonic confocal microscope, in each direction...
August 2016: Journal of the Mechanical Behavior of Biomedical Materials
D Tran, F Podwojewski, P Beillas, M Ottenio, D Voirin, F Turquier, D Mitton
The performance of hernia treatment could benefit from more extensive knowledge of the mechanical behavior of the abdominal wall in a healthy state. To supply this knowledge, the antero-lateral abdominal wall was characterized in vivo on 11 healthy volunteers during 4 activities: rest, pullback loading, abdominal breathing and the "Valsalva maneuver". The elasticity of the abdominal muscles (rectus abdominis, obliquus externus, obliquus internus and transversus abdominis) was assessed using ultrasound shear wave elastography...
July 2016: Journal of the Mechanical Behavior of Biomedical Materials
HyunSuk Jang, Joohwan Yoon, HyunJi Gil, Sharon Jiyoon Jung, Min-Suk Kim, Jin-Kyu Lee, Young-Jae Kim, Kwang-Sup Soh
The primo vascular system (PVS) is being established as a circulatory system that corresponds to acupuncture meridians. There have been two critical questions in making the PVS accepted as a novel liquid flowing system. The first one was directly to show the flow of liquid in PVS and the second one was to explain why it was not observed in the conventional histological study of animal tissues. Flow in the PVS in the abdominal cavity was previously verified by injecting Alcian blue into a primo node. However, the tracing of the dye to other subsystems of the PVS has not been done...
2016: PloS One
Karin S Kalchofner Guerrero, Ivo Campagna, Rodolfo Bruhl-Day, Cecilia Hegamin-Younger, Tomas G Guerrero
OBJECTIVE: Intraperitoneal (IP) bupivacaine provides postoperative analgesia in dogs undergoing ovariohysterectomy (OHE) alone or in combination with incisional (INC) bupivacaine. This study investigated whether the combination of INC and IP bupivacaine is superior to IP bupivacaine alone. STUDY DESIGN: Prospective, randomized, blinded clinical study. ANIMALS: Thirty-nine privately owned dogs undergoing OHE, aged 25 ± 23 months and weighing 11...
September 2016: Veterinary Anaesthesia and Analgesia
Victor Vargas-Barroso, Benito Ordaz-Sánchez, Fernando Peña-Ortega, Jorge A Larriva-Sahd
It is accepted that the main- and accessory- olfactory systems exhibit overlapping responses to pheromones and odorants. We performed whole-cell patch-clamp recordings in adult rat olfactory bulb slices to define a possible interaction between the first central relay of these systems: the accessory olfactory bulb (AOB) and the main olfactory bulb (MOB). This was tested by applying electrical field stimulation in the dorsal part of the MOB while recording large principal cells (LPCs) of the anterior AOB (aAOB)...
2015: Frontiers in Neuroscience
Christine M Jones, Joshua S Winder, John D Potochny, Eric M Pauli
BACKGROUND: Ventral hernia formation is a frequent and increasingly difficult problem. Nonmidline hernias, parastomal hernias, hernias near bony landmarks, and recurrent ventral hernias (especially after anterior component separation) present particular challenges. Typical reconstructive techniques may struggle to reestablish abdominal domain and to create a lasting repair. Posterior component separation with transversus abdominis release is a novel technique that offers a durable solution to a variety of complex ventral hernias...
February 2016: Plastic and Reconstructive Surgery
Ari Leppäniemi
The need for surgical decompression for abdominal compartment syndrome is becoming more frequent in patients with severe acute pancreatitis, especially in association with massive fluid resuscitation at the early stages of the disease. Decompression can be achieved with either a full-thickness laparostomy that can be performed through a vertical midline or transverse subcostal incision, or by performing a subcutaneous linea alba fasciotomy. Following a fullthickness laparostomy the open abdomen can be best managed with some form of negative abdominal pressure dressing...
February 2008: European Journal of Trauma and Emergency Surgery: Official Publication of the European Trauma Society
Taisa D Costa, Guilherme N Nogueira-Neto, Percy Nohama
Synchronization of transcutaneous functional electrical stimulation (TFES) with the spontaneous inspiration and expiration phases is a new approach for respiratory rehabilitation. One of the requirements for proper operation is the identification of cough events to automatically change the stimulation parameters in order to increase muscle strength during the cough. The aim of this work is to assess the viability in detection of cough events with a mechanomyographic (MMG) sensor on the abdominal region, and to evaluate if it can be used simultaneously with the synchronized TFES system...
August 2015: Conference Proceedings: Annual International Conference of the IEEE Engineering in Medicine and Biology Society
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