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https://www.readbyqxmd.com/read/29143863/morphometric-properties-of-the-latissimus-dorsi-muscle-in-human-fetuses-for-flap-surgery
#1
Orhan Beger, Burhan Beger, Deniz Uzmansel, Semra Erdoğan, Zeliha Kurtoğlu
PURPOSE: Although latissimus dorsi (LD) flaps are extensively used in a wide range of interventions, fetus studies on this subject are quite limited. This study aims to obtain detailed information about the morphometric features of LD, thoracodorsal artery (TDA) and nerve (TDN). METHODS: The study was carried out on both sides of 50 formalin-fixed human fetuses (22 male/28 female) with a mean gestational age of 24.5 ± 4.7 (range 18-36) weeks, which were in the inventory of Anatomy Department of Mersin University Faculty of Medicine...
November 16, 2017: Surgical and Radiologic Anatomy: SRA
https://www.readbyqxmd.com/read/29140901/-state-of-the-art-techniques-in-treating-peripheral-nerve-injury
#2
Carrie A Kubiak, Theodore A Kung, David L Brown, Paul S Cederna, Stephen W P Kemp
BACKGROUND -: Peripheral nerve injuries remain a major clinical concern as they often lead to chronic disability and significant health care expenditures. Despite advancements in microsurgical techniques to enhance nerve repair, biologic approaches are needed to augment nerve regeneration and improve functional outcomes after injury. METHODS -: Presented herein is a review of the current literature on state of the art techniques to enhance functional recovery for patients with nerve injury...
November 11, 2017: Plastic and Reconstructive Surgery
https://www.readbyqxmd.com/read/29135610/meralgia-paresthetica-after-spine-surgery-on-the-jackson-table
#3
Nitin Agarwal, Jaydev B Mistry, Preeya V Khandge, David R Hansberry, Ira M Goldstein
Meralgia paresthetica is a non-life-threatening neurological disorder characterized by numbness, tingling, and burning pain over the anterolateral thigh due to impingement of the lateral femoral cutaneous nerve. This disorder has been seen in patients with diabetes mellitus and obesity, but has also been observed in patients after procedures such as posterior spine surgery, iliac crest bone grafts, lumbar disk surgery, hernia repair, appendectomies, and pelvic osteotomies that ultimately lead to compression or damage to the lateral femoral cutaneous nerve...
November 10, 2017: Clinical Spine Surgery
https://www.readbyqxmd.com/read/29131778/adventures-and-misadventures-in-plastic-surgery-and-soft-tissue-implants
#4
Dana J Lin, Tony T Wong, Gina A Ciavarra, Jonathan K Kazam
Soft-tissue augmentation and implants are increasingly seen by the radiologist as more techniques emerge for a variety of indications and locations. Some surgical and implant procedures are performed for purely cosmetic reasons in otherwise healthy patients seeking to improve their body image, and some are performed for reconstruction after cancer or other chronic illnesses. Abdominoplasty, liposuction, and autologous fat grafting can be performed for abdominal and gluteal contouring. Injection of liquid injectable silicone has historically been fraught with legal issues, although it continues to be used for augmentation in a variety of anatomic locations...
November 2017: Radiographics: a Review Publication of the Radiological Society of North America, Inc
https://www.readbyqxmd.com/read/29125661/eyelid-reanimation-using-crossface-nerve-graft-relationship-between-surgical-outcome-and-preoperative-paralysis-duration
#5
Masayuki Okochi, Hiromi Okochi, Emiko Asai, Takao Sakaba, Kazuki Ueda
BACKGROUND: To reanimate the mimetic muscles, crossface nerve graft (CFNG) is an effective surgical option. However, muscle atrophy after facial paralysis may influence the surgical result. We analyzed the relationship between surgical result and preoperative paralysis duration. METHODS: We performed CFNG on 15 patients. The sural nerve was transferred between the affected and nonaffected sides of the zygomatic branch. Eyelid function and eyelid lid were evaluated using the modified House-Brackmann scale...
November 10, 2017: Microsurgery
https://www.readbyqxmd.com/read/29125428/schwann-cells-and-mesenchymal-stem-cells-in-laminin-or-fibronectin-aligned-matrices-and-regeneration-across-a-critical-size-defect-of-15-mm-in-the-rat-sciatic-nerve
#6
Francisco Gonzalez-Perez, Joaquim Hernández, Claudia Heimann, James B Phillips, Esther Udina, Xavier Navarro
OBJECTIVE Artificial nerve guides are being developed to substitute for autograft repair after peripheral nerve injuries. However, the use of conduits is limited by the length of the gap that needs to be bridged, with the success of regeneration highly compromised in long gaps. Addition of aligned proregenerative cells and extracellular matrix (ECM) components inside the conduit can be a good strategy to achieve artificial grafts that recreate the natural environment offered by a nerve graft. The purpose of this study was to functionalize chitosan devices with different cell types to support regeneration in limiting gaps in the rat peripheral nerve...
November 10, 2017: Journal of Neurosurgery. Spine
https://www.readbyqxmd.com/read/29122115/humeral-shaft-cerclage-wiring-a-safe-technique-to-prevent-radial-nerve-injury
#7
Stephan Grechenig, Gloria Hohenberger, Bore Bakota, Mario Staresinic, Peter Grechenig, Antonio Ernstberger
Humeral periprosthetic fractures are a challenging problem and their occurrence has increased, particularly over the last decade. The role of cerclage wires or cables in these fractures includes revisions with longer stems, and augmentation of a plate osteosynthesis in which the stem does not allow additional screw placement or structural bone grafts as supplementary fixation. These procedures are demanding because of the proximity of the radial nerve within the operating field. Placing a cerclage wire or cable around the fractured fragments offers a simple and safe procedure to avoid radial nerve injury or palsy in the treatment of complex humeral shaft fractures...
November 2017: Injury
https://www.readbyqxmd.com/read/29114339/lateral-antebrachial-cutaneous-nerve-as-a-donor-source-for-digital-nerve-grafting-a-concept-revisited
#8
Mehmet Bekir Unal, Kemal Gokkus, Evrim Sirin, Eren Cansü
Objective: The main objective of this study is to evaluate the availability of lateral antebrachial cutaneous nerve (LACN) autograft for acute or delayed repair of segmented digital nerve injuries. Patients and Methods: 13 digital nerve defects of 11 patients; treated with interposition of LACN graft that harvested from ipsilateral extremity were included in the study. Mean follow up period was 35, 7 months. The mean time from injury to grafting is 53, 3 days. The results of the mean 2PDT and SWMT values of injured /uninjured finger at the end of follow up period were evaluated with Paired T test...
2017: Open Orthopaedics Journal
https://www.readbyqxmd.com/read/29113795/a-novel-rat-model-of-brachial-plexus-injury-with-nerve-root-stumps
#9
Jintao Fang, Jiantao Yang, Yi Yang, Liang Li, Bengang Qin, Wenting He, Liwei Yan, Gang Chen, Zhehui Tu, Xiaolin Liu, Liqiang Gu
BACKGROUND: The C5-C6 nerve roots are usually spared from avulsion after brachial plexus injury (BPI) and thus can be used as donors for nerve grafting. To date, there are no appropriate animal models to evaluate spared nerve root stumps. Hence, the aim of this study was to establish and evaluate a rat model with spared nerve root stumps in BPI. NEW METHOD: In rupture group, the proximal parts of C5-T1 nerve roots were held with the surrounding muscles and the distal parts were pulled by a sudden force after the brachial plexus was fully exposed, and the results were compared with those of sham group...
November 4, 2017: Journal of Neuroscience Methods
https://www.readbyqxmd.com/read/29111474/the-middle-temporal-artery-surgical-anatomy-and-exposure-for-cerebral-revascularization
#10
Roberto Rodriguez Rubio, Michael T Lawton, Olivia Kola, Halima Tabani, Sonia Yousef, Ali Tayebi Meybodi, Jan-Karl Burkhardt, Ivan El-Sayed, Arnau Benet
BACKGROUND: The middle temporal artery (MTA) is the proximal medial branch of the superficial temporal artery (STA), supplying the temporalis muscle along with deep temporal arteries. Its use in vascularized flaps for reconstructive and otologic procedures has been described, yet its potential use in neurosurgery is not studied. We report a novel technique for exposing the MTA and evaluated its characteristics for extracranial-intracranial (EC-IC) cerebrovascular bypass. METHODS: After a curvilinear frontotemporal incision in 10 cadaveric specimens, the STA was dissected from distal to proximal...
October 27, 2017: World Neurosurgery
https://www.readbyqxmd.com/read/29106428/modified-acellular-nerve-delivering-pmscs-improve-functional-recovery-in-rats-after-complete-spinal-cord-transection
#11
Ting Tian, Zhenhai Yu, Naili Zhang, Yingwei Chang, Yuqiang Zhang, Luping Zhang, Shuai Zhou, Chunlei Zhang, Guoying Feng, Fei Huang
Due to the poor regeneration capacity of neurons and the inhibitory microenvironment, spontaneous regeneration in spinal cord injury (SCI) remains challenging. Tissue engineering is considered a promising approach for enhancing the regeneration of SCI by reconstructing the inherent structure and improving the microenvironment. In this study, the possibility of engineering a nerve complex, which is constructed by acellular nerve delivering placenta mesenchymal stem cells (PMSCs), was assessed for the recovery of a transected spinal cord...
November 6, 2017: Biomaterials Science
https://www.readbyqxmd.com/read/29099295/femoral-nerve-transfers-for-restoring-tibial-nerve-function-an-anatomical-study-and-clinical-correlation-a-report-of-2-cases
#12
Amy M Moore, Emily M Krauss, Rajiv P Parikh, Michael J Franco, Thomas H Tung
Sciatic nerve injuries cause debilitating functional impairment, particularly when the injury mechanism and level preclude reconstruction with primary grafting. The purpose of this study was to demonstrate the anatomical feasibility of nerve transfers from the distal femoral nerve terminal branches to the tibial nerve and to detail the successful restoration of tibial function using the described nerve transfers. Six cadaveric legs were dissected for anatomical analysis and the development of tension-free nerve transfers from femoral nerve branches to the tibial nerve...
November 3, 2017: Journal of Neurosurgery
https://www.readbyqxmd.com/read/29095712/ultrasound-guided-transversalis-fascia-plane-block-an-alternative-approach-for-anesthesia-in-inguinal-herniorrhaphy-a-case-report
#13
Paolo Scimia, Erika Basso Ricci, Emiliano Petrucci, Astrid Ursula Behr, Franco Marinangeli, Pierfrancesco Fusco
Ultrasound (US)-guided transversalis fascia plane block (TFPB) was first described by Hebbard as a technique for blockade of T12-L1 nerves. Although this technique appears similar to the quadratus lumborum 1 block, the point of injection is more caudal and anterior, specifically targeting ilioinguinal and iliohypogastric nerves. There are only few published data on US-guided TFPB demonstrating effective postoperative analgesia in iliac crest bone graft harvesting. We report the use of US-guided TFPB in a patient undergoing inguinal herniorrhaphy...
November 1, 2017: A & A Case Reports
https://www.readbyqxmd.com/read/29094404/effect-of-local-administration-of-platelet-rich-plasma-prp-on-peripheral-nerve-regeneration-an-experimental-study-in-the-rabbit-model
#14
Akira Ikumi, Yuki Hara, Tomokazu Yoshioka, Akihiro Kanamori, Masashi Yamazaki
This study aimed to evaluate the nerve regenerative effect and behavior of Schwann cells (SCs) on local administration of autologous platelet-rich plasma (PRP). METHODS: Twenty-eight Japanese white rabbits were used. A 15-mm sciatic nerve defect was created on the left limb. The resected nerve was used as a reverse autologous nerve. The rabbits were randomly divided into two groups. In group A (n = 10), only nerve grafting was performed. In group B (n = 18), nerve grafting was performed with local PRP administration...
November 2, 2017: Microsurgery
https://www.readbyqxmd.com/read/29094390/reconstruction-of-a-long-defect-of-the-ulnar-artery-and-nerve-with-an-arterialized-neurovenous-free-flap-in-a-teenager-a-case-report-and-literature-review
#15
Diogo Casal, Diogo Pais, Eduarda Mota-Silva, Giovanni Pelliccia, Inês Iria, Paula A Videira, Maria Manuel Mendes, João Goyri-O'Neill, Maria Manuel Mouzinho
There is evidence that nerve flaps are superior to nerve grafts for bridging long nerve defects. Moreover, arterialized neurovenous flaps (ANVFs) have multiple potential advantages over traditional nerve flaps in this context. This paper describes a case of reconstruction of a long defect of the ulnar artery and nerve with an arterialized neurovenous free flap and presents a literature review on this subject. A 16-year-old boy sustained a stab wound injury to the medial aspect of the distal third of his right forearm...
November 2, 2017: Microsurgery
https://www.readbyqxmd.com/read/29079423/reactivation-of-larval-keratin-gene-krt62-l-in-blastema-epithelium-during-xenopus-froglet-limb-regeneration
#16
Akira Satoh, Kazumasa Mitogawa, Nanami Saito, Miyuki Suzuki, Ken-Ichi T Suzuki, Haruki Ochi, Aki Makanae
Limb regeneration is considered a form of limb redevelopment because of the molecular and morphological similarities. Forming a regeneration blastema is, in essence, creating a developing limb bud in an adult body. This reactivation of a developmental process in a mature body is worth studying. Xenopus laevis has a biphasic life cycle that involves distinct larval and adult stages. These distinct developmental stages are useful for investigating the reactivation of developmental processes in post-metamorphic frogs (froglets)...
October 25, 2017: Developmental Biology
https://www.readbyqxmd.com/read/29077687/autogenous-partial-bone-chip-grafting-on-the-exposed-inferior-alveolar-nerve-after-cystic-enucleation
#17
Mi Hyun Seo, Mi Young Eo, Yun Ju Cho, Soung Min Kim, Suk Keun Lee
This prospective study evaluated the clinical effectiveness of the new approach of partial autogenous bone chip grafts for the treatment of mandibular cystic lesions related to the inferior alveolar nerve (IAN). A total of 38 patients treated for mandibular cysts or benign tumors were included in this prospective study and subsequently divided into 3 groups depending on the bone grafting method used: cystic enucleation without a bone graft (group 1), partial bone chip graft covering the exposed IAN (group 2), and autogenous bone graft covering the entire defect (group 3)...
October 26, 2017: Journal of Craniofacial Surgery
https://www.readbyqxmd.com/read/29075642/chronic-open-infective-lateral-malleolus-bursitis-management-using-local-rotational-flap
#18
Yong-Beom Lee, Dae-Hwan Kim, Jong-Ho Jung, Jae-Yong Park
BACKGROUND: Using a sinus tarsi rotational flap is an uncommon approach to treating chronic open infective lateral malleolus bursitis. METHODS: We treated eight patients, including six males, using this approach. First, we debrided all the infected tissues and used a negative pressure wound closure system where needed. After acute infection had been controlled, the local rotational flap was used for cases where the wound could not be closed by a simple suture or bone exposure...
2017: BioMed Research International
https://www.readbyqxmd.com/read/29075572/reflex-based-grasping-skilled-forelimb-reaching-and-electrodiagnostic-evaluation-for-comprehensive-analysis-of-functional-recovery-the-7-mm-rat-median-nerve-gap-repair-model-revisited
#19
Maria Stößel, Lena Rehra, Kirsten Haastert-Talini
INTRODUCTION: The rat median nerve injury and repair model gets increasingly important for research on novel bioartificial nerve grafts. It allows follow-up evaluation of the recovery of the forepaw functional ability with several sensitive techniques. The reflex-based grasping test, the skilled forelimb reaching staircase test, as well as electrodiagnostic recordings have been described useful in this context. Currently, no standard values exist, however, for comparison or comprehensive correlation of results obtained in each of the three methods after nerve gap repair in adult rats...
October 2017: Brain and Behavior
https://www.readbyqxmd.com/read/29073499/management-of-major-vascular-injury-during-pedicle-screw-instrumentation-of-thoracolumbar-spine
#20
Aleem K Mirza, Mohammed Ali Alvi, Ryan M Naylor, Panagiotis Kerezoudis, William E Krauss, Michelle J Clarke, Daniel L Shepherd, Ahmad Nassr, Randall R DeMartino, Mohamad Bydon
OBJECTIVES: Vascular injury is a rare complication of spinal instrumentation. Presentation can vary from immediate hemorrhage to pseudoaneurysm formation. In the literature, surgical approach to repair has varied based on anatomy, acuity of diagnosis, infection, and available technology. In this manuscript, we aim to describe our institutional experience with vascular injuries in thoraco-lumbar spine surgery. PATIENTS AND METHODS: We report our institutional experience of three cases of vascular injury secondary to pedicle screw misplacement and their management, as well as a review of the literature...
October 16, 2017: Clinical Neurology and Neurosurgery
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