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https://www.readbyqxmd.com/read/28424311/mechanics-of-the-thorax-in-flies
#1
REVIEW
Tanvi Deora, Namrata Gundiah, Sanjay P Sane
Insects represent more than 60% of all multicellular life forms, and are easily among the most diverse and abundant organisms on earth. They evolved functional wings and the ability to fly, which enabled them to occupy diverse niches. Insects of the hyper-diverse orders show extreme miniaturization of their body size. The reduced body size, however, imposes steep constraints on flight ability, as their wings must flap faster to generate sufficient forces to stay aloft. Here, we discuss the various physiological and biomechanical adaptations of the thorax in flies which enabled them to overcome the myriad constraints of small body size, while ensuring very precise control of their wing motion...
April 15, 2017: Journal of Experimental Biology
https://www.readbyqxmd.com/read/28420035/prospective-series-of-reconstruction-of-complex-composite-mandibulectomy-defects-with-double-island-free-fibula-flap
#2
Edward I Chang, Peirong Yu
BACKGROUND: A double island free fibula (DIFF) flap can be used for reconstruction of through-and-through or complex mandibulectomy defects, but prospective studies are lacking. METHODS: Prospective analysis of all double skin paddle fibula flaps performed from 2010 to 2016. RESULTS: Overall, 16 patients underwent reconstruction with a DIFF flap (average age: 59.1 years). One patient, who underwent a DIFF flap and developed osteoradionecrosis, requiring a second flap...
April 18, 2017: Journal of Surgical Oncology
https://www.readbyqxmd.com/read/28410261/successful-continuous-adductor-canal-block-placement-in-a-patient-with-absent-sartorius-muscle-a-case-report
#3
Shin-E Lin, David B Auyong, Aaron B Dahl, Neil A Hanson
We report a novel case of a patient who presented for elective total knee arthroplasty and had distorted adductor canal anatomy due to previous sartorius rotational flap surgery. Despite the lack of a sartorius muscle on the intended operative limb, we describe the successful placement of a continuous adductor canal block. This case is a clinically relevant example that highlights the importance of the vastoadductor membrane as the anatomical anteromedial boundary for the adductor canal, and that it remains intact even after sartorius muscle flap surgery...
April 13, 2017: A & A Case Reports
https://www.readbyqxmd.com/read/28407317/reconstruction-of-quadriceps-function-with-composite-free-tissue-transfers-following-sarcoma-resection
#4
Kempland C Walley, Erin M Taylor, Megan Anderson, Santiago Lozano-Calderon, Matthew L Iorio
BACKGROUND AND OBJECTIVES Wide margin resection of a soft tissue sarcoma (STS) may require extensive removal of quadriceps muscle with or without the knee extensor mechanism. The objective of this study is to present present the use of a combined functional muscle transfer and soft tissue coverage through the use of chimeric anterolateral thigh flaps. METHODS: Patients were retrospectively reviewed who underwent deep STS resection of the anterior compartment of the thigh with functional reconstruction of knee extension using a contralateral free anterolateral thigh (ALT) flap...
April 13, 2017: Journal of Surgical Oncology
https://www.readbyqxmd.com/read/28407255/prevertebral-muscle-flap-for-internal-carotid-artery-coverage-during-oropharyngeal-transoral-surgery
#5
Andrew T Day, Bruce H Haughey, Jason T Rich
No abstract text is available yet for this article.
April 13, 2017: Laryngoscope
https://www.readbyqxmd.com/read/28405997/tracheoesophageal-fistula-following-endotracheal-intubation-for-organophosphorus-poisoning
#6
Shailaja V Rao, Ajay K Boralkar, Prabhakar S Jirvankar, Mangala V Sonavani, Varsha Rotte Kaginalkar, Chimu Chinte
Tracheoesophageal fistula (TEF) is an abnormal communication between the trachea and esophagus. Iatrogenic TEF can be due to endotracheal intubation, rigid bronchoscopy or tracheostomy. Tracheostomy tube cuff volumes and pressures require constant monitoring to avoid tracheal injury. Acquired TEF which occurs after prolonged intubation, usually develops after 15-200 days of mechanical ventilation. We report a case of a large TEF secondary to endotracheal intubation for organophosphorus poison-induced respiratory failure...
December 2016: Journal of the Association of Physicians of India
https://www.readbyqxmd.com/read/28404729/wings-as-impellers-honey-bees-co-opt-flight-system-to-induce-nest-ventilation-and-disperse-pheromones
#7
Jacob M Peters, Nick Gravish, Stacey A Combes
Honey bees (Apis mellifera) are remarkable fliers that regularly carry heavy loads of nectar and pollen, supported by a flight system - the wings, thorax and flight muscles - that one might assume is optimized for aerial locomotion. However, honey bees also use this system to perform other crucial tasks that are unrelated to flight. When ventilating the nest, bees grip the surface of the comb or nest entrance and fan their wings to drive airflow through the nest, and a similar wing-fanning behavior is used to disperse volatile pheromones from the Nasonov gland...
April 12, 2017: Journal of Experimental Biology
https://www.readbyqxmd.com/read/28403021/distally-based-medial-hemisoleus-muscle-flap-anatomic-and-angiographic-study-of-18-lower-limbs
#8
Aurélie Bourdais-Sallot, Arnaud Pare, Camille Herard, Marine Duclert-Bompaire, Julien Pucheux, Louis-Marie Terrier, Dominique Goga, Nathalie Forme, Richard Quignon
BACKGROUND: The distally based medial hemisoleus (MHS) flap was found useful for repairing soft-tissue defects of the lower third of the leg; however, its reliability is controversial. We used a combination of static and dynamic techniques to investigate the vascular supply of distally based MHS muscle flaps to better establish their use in repair of lower-third leg defects. METHODS: We performed an anatomic study of 18 cadaver legs. For 6 legs, we performed dynamic angiography, which allowed for obtaining MHS muscle radiographs after pulsed injection of contrast medium in distal pedicles...
April 12, 2017: Annals of Plastic Surgery
https://www.readbyqxmd.com/read/28397580/the-clinical-application-of-mastectomy-with-single-incision-followed-by-immediate-laparoscopic-assisted-breast-reconstruction-with-latissimus-dorsi-muscle-flap
#9
Huozhong Yuan, Donghua Xie, Xigang Xiao, Xingwei Huang
OBJECTIVE: To explore the clinical application of mastectomy with single incision followed by immediate laparoscopic-assisted breast reconstruction with latissimus dorsi muscle flap. METHODS: Fifteen women with primary early breast cancer, 3 women with breast ductal carcinoma in situ, and 7 women with severe plasma cell mastitis were treated with partial mastectomy or total mastectomy, sentinel lymph node biopsy, or axillary lymph node dissection through a breast lateral transverse incision...
April 1, 2017: Surgical Innovation
https://www.readbyqxmd.com/read/28392650/transoral-cross-lip-abb%C3%A3-estlander-flap-as-a-viable-and-effective-reconstructive-option-in-middle-lower-lip-defect-reconstruction
#10
Hyung Jin Hahn, Hyun Jee Kim, Jin Young Choi, Soo Young Lee, Young Bok Lee, Jin Wou Kim, Dong Soo Yu
The Abbé-Estlander flap surgery is a cross-lip procedure that is valuable in repairing a defect on the lower lip using a full-thickness flap, consisting of the skin, muscle and mucosa, from the upper lip. As usefulness and practicality of the flap in reconstruction of lower lip surgical defects in Asian ethnicity have not been documented, the authors present a case of successful lower lip reconstruction with a staged, Abbé-Estlander lip switching flap with commissuroplasty as an illustrative example. A 71-year-old male has presented with an ulcerating lip nodule in the middle one third of the lower lip, measuring about 1...
April 2017: Annals of Dermatology
https://www.readbyqxmd.com/read/28391653/clinical-case-series-describes-a-contraindication-for-serenocem-granules-%C3%A2-in-mastoid-obliteration-our-experience-in-sixty-four-patients
#11
Laura Harrison, Sonia Kumar, Matthew Bull, Paul V Hatton, Ian Bottrill, Christopher Aldren
Mastoid obliteration has been performed with various materials including muscle, fat, cartilage, musculoperiosteal flaps, chips and pâté(1) . Biocompatible materials used since the 1960s, have a number of potential advantages over autologous tissue. They are sterile, available off the shelf without the need for harvest and have a low risk of implanting cholesteatoma.
April 9, 2017: Clinical Otolaryngology
https://www.readbyqxmd.com/read/28387356/pectoralis-major-myocutaneous-flap-for-head-and-neck-defects-in-the-era-of-free-flaps-harvesting-technique-and-indications
#12
Muyuan Liu, Weiwei Liu, Xihong Yang, Haipeng Guo, Hanwei Peng
The role of the pectoralis major myocutaneous flap (PMMF) in head and neck reconstruction is challenged recently due to its natural drawbacks and the popularity of free flaps. This study was designed to evaluate the indications and reliability of using a PMMF in the current free flap era based on a single center experience. The PMMF was harvested as a pedicle-skeletonized flap, with its skin paddle caudally and medially to the areola, including the third intercostal perforator, preserving the upper one third of the pectoralis major muscle...
April 7, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28387148/malignant-triton-tumor-malignant-peripheral-nerve-sheath-tumor-with-rhabdomyoblastic-differentiation-occurring-in-a-vascularized-free-flap-reconstruction-graft
#13
Roopa Ram, Jerad Gardner, Sindhura Alapati, Kedar Jambhekar, Tarun Pandey, Corey Montgomery, Richard Nicholas
Malignant peripheral nerve sheath tumor (MPNST) is a rare form of sarcoma arising from Schwann cells or pluripotent cells of the neural crest. Malignant triton tumor (MTT) is a subtype of MPNST with a component of malignant rhabdomyoblasts in addition to malignant Schwann cells. MPNST and MTT are both aggressive malignancies that most commonly arise from large deep neurofibromas in patients with neurofibromatosis type 1 (NF-1). However, sporadic non-NF-1 cases of MTT have also been reported in the literature...
April 1, 2017: International Journal of Surgical Pathology
https://www.readbyqxmd.com/read/28377938/heterotrophic-ossification-of-intercostal-muscle-flap-causing-refractory-esophageal-stricture
#14
Ali Alali, Kevin Waschke
No abstract text is available yet for this article.
2017: ACG Case Reports Journal
https://www.readbyqxmd.com/read/28371964/tips-and-tricks-to-improve-clinical-and-aesthetic-outcomes-in-latissimus-dorsi-flap-breast-reconstruction
#15
Rosaria Laporta, Michail Sorotos, Benedetto Longo, Fabio Santanelli di Pompeo
Background The aim of this study is to present technical strategies to decrease donor-site complications, to optimize breast shaping, and to achieve symmetry in one-stage procedure in latissimus dorsi (LD) flap reconstruction. Methods Between 2004 and 2014, a retrospective review was performed on LD flap reconstructions. Demographics, reconstructive details, clinical, and aesthetic outcomes were collected and analyzed. Patients were divided in historical control group (HCG) and new strategy group (NSG)...
April 3, 2017: Journal of Reconstructive Microsurgery
https://www.readbyqxmd.com/read/28367170/combination-of-intracostal-sutures-with-muscle-flap-to-decrease-post-thoracotomy-pain-a-single-blinded-randomized-clinical-trial
#16
Majid Montazer, Shahryar Hashemzade, Reza Movassaghi Gargari, Ali Ramouz, Sarvin Sanaie, Seyed Ziaeddin Rasihashemi
OBJECTIVE: To assess the efficacy of intercostal nerve protection by intercostal muscle (ICM) flap in post-thoracotomy pain improvement compared to intracostal suturing. METHODS: In a randomized controlled trial, ninety-four patients undergoing posterolateral thoracotomy surgery were divided into two subgroups. Intracostal sutures in isolation and in combination with ICM flap techniques were used for thoracotomy closure in both groups. Numeric Pain Scale and Visual Pain Scale as pain scores were assessed on the first, second, third, fourth, fifth, sixth and seventh postoperative days and follow-up visits during the 2(nd) week, 1(st), 2(nd), 4(th) and 6(th) months after thoracotomy...
January 2017: Pakistan Journal of Medical Sciences Quarterly
https://www.readbyqxmd.com/read/28363665/-extension-of-the-thoracodorsal-artery-perforator-flap-s-pedicle-anatomical-study
#17
M Lenglet, S Dast, L Dessena, C Herlin, B Chaput, E Havet, R Sinna
PURPOSE: In recent years, the indications of latissimus dorsi myocutaneous flap decreased in favor of its version preserving muscle: the thoracodorsal artery perforator flap (TDAP). The intramuscular dissection reduce donor site morbidity but also allows an extension of the pedicle compared to conventional latissimus dorsi flap pedicle. The purpose of this study was to quantify objectively elongation of the pedicle when the perforator is dissected through the muscle. METHOD: Sixteen TDAP flap were dissected in 9 cadavers...
March 28, 2017: Annales de Chirurgie Plastique et Esthétique
https://www.readbyqxmd.com/read/28363371/chest-wall-reconstruction-without-prosthetic-material
#18
REVIEW
Robert E Merritt
The surgical resection of primary and secondary tumors involving the chest wall often requires reconstruction with prosthetic and soft tissues, such as muscle flaps. There are situations when a soft tissue reconstruction of the chest wall is preferable. Prosthetic material can become infected and require reoperation for removal of the infected material. Rigid prosthetic materials can result in chest wall pain and deformity. Muscle is the soft tissue of choice for coverage of full-thickness chest wall defects with or without prosthetic material...
May 2017: Thoracic Surgery Clinics
https://www.readbyqxmd.com/read/28352601/systematic-review-and-comparative-meta-analysis-of-outcomes-following-pedicled-muscle-versus-fasciocutaneous-flap-coverage-for-complex-periprosthetic-wounds-in-patients-with-total-knee-arthroplasty
#19
James M Economides, Michael V DeFazio, Kayvon Golshani, Mark Cinque, Ersilia L Anghel, Christopher E Attinger, Karen Kim Evans
BACKGROUND: In cases of total knee arthroplasty (TKA) threatened by potential hardware exposure, flap-based reconstruction is indicated to provide durable coverage. Historically, muscle flaps were favored as they provide vascular tissue to an infected wound bed. However, data comparing the performance of muscle versus fasciocutaneous flaps are limited and reflect a lack of consensus regarding the optimal management of these wounds. The aim of this study was to compare the outcomes of muscle versus fasciocutaneous flaps following the salvage of compromised TKA...
March 2017: Archives of Plastic Surgery
https://www.readbyqxmd.com/read/28341956/improvement-on-the-neo-umbilicoplasty-technique-and-review-of-the-literature
#20
Valderi Vieira da Silva Júnior, Francis Régis Soares de Sousa
INTRODUCTION: The umbilicus is an important component of body esthetics, and its absence or dysmorphia may give rise to psychological discomfort, making it a common concern in surgical planning. Many techniques of umbilicus reconstruction have been proposed, each with its own limitations in terms of esthetics, risk of stenosis or final positioning. Reconstruction techniques may involve skin grafting, cartilage, purse-string suture and flaps. One of the most promising approaches is scarless neo-umbilicoplasty...
March 24, 2017: Aesthetic Plastic Surgery
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