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https://www.readbyqxmd.com/read/29227049/rib-fracture-fixation-in-a-south-african-public-trauma-service
#1
G V Oosthuizen, J De Wet, J L Bruce, D L Clarke
BACKGROUND: Rib fractures and flail chests have traditionally been treated nonoperatively. Current literature suggests that it is not only safe and feasible but also desirable to perform fixation of severe rib fractures. Our unit in the Pietermaritzburg public sector adopted rib fracture fixation in 2014 and in this audit we assess its feasibility in our setting. METHODS AND RESULTS: We audited our first nine cases of rib fracture fixation performed to date, of which seven were males...
November 2017: South African Journal of Surgery. Suid-Afrikaanse Tydskrif Vir Chirurgie
https://www.readbyqxmd.com/read/29226123/open-repair-of-a-12-cm-posttraumatic-aneurysm-of-right-subclavian-artery
#2
Konstantinos Tigkiropoulos, Omiros Chalvatzoulis, Eleftherios Chalvatzoulis, Kyriakos Stavridis, Dimitrios Karamanos, Ioannis Lazaridis, Andreas Efstathiou, Nikolaos Saratzis
Purpose: To present a rare case of a patient with a 12-cm posttraumatic right subclavian artery aneurysm successfully treated with aneurysmectomy and innominate-axillary bypass. Case report: A 54-year-old man presented to the emergency department due to progressive dyspnea and hoarseness of voice. His medical record was unremarkable except that he had right-sided pneumothorax and multiple rib fractures from a car accident 16 years ago. A chest X-ray showed a mass in the upper lobe of the right lung, and the patient was hospitalized for further investigation...
2017: Frontiers in Surgery
https://www.readbyqxmd.com/read/29222581/fractures-in-children-with-newly-diagnosed-hepatoblastoma
#3
Alexander J Towbin, Fernanda D C Braojos Braga, Bin Zhang, James I Geller, Greg M Tiao, Daniel J Podberesky
BACKGROUND: Hepatoblastoma is the most common primary hepatic malignancy in children. We have recently noticed an increased incidence of unsuspected fractures in children with newly diagnosed hepatoblastoma. This association has been suggested in the past, but the incidence and pathophysiology remain uncertain. OBJECTIVE: To define the incidence and imaging features of fractures in children with newly diagnosed hepatoblastoma. MATERIALS AND METHODS: We searched the oncology database and the radiology picture archiving and communication system of our large tertiary care children's hospital between January 2000 and August 2013 for all patients who presented to our institution with newly diagnosed hepatoblastoma...
December 8, 2017: Pediatric Radiology
https://www.readbyqxmd.com/read/29221343/adult-onset-langerhans-cell-histiocytosis-of-the-sternum
#4
Yi-Jhih Huang, Kuan-Hsun Lin, Tai-Kuang Chao, Tsai-Wang Huang, Hsu-Kai Huang
Langerhans cell histiocytosis (LCH) is a rare disease with uncertain etiology that is more prevalent in children. LCH typically invades skeletal systems, but in rare cases, it has been reported in the ribs or sternum. Optimal treatment choices for single-site, skeletal LCH are still undefined. We report a case of adult-onset LCH of the sternum. The range of surrounding soft tissue invasion was confirmed by three-dimensional fusion and reconstruction of chest computed tomography and magnetic resonance images...
September 2017: Journal of Thoracic Disease
https://www.readbyqxmd.com/read/29221300/comparison-of-continuous-compression-with-regular-ventilations-versus-30-2-compressions-ventilations-strategy-during-mechanical-cardiopulmonary-resuscitation-in-a-porcine-model-of-cardiac-arrest
#5
Zhengfei Yang, Qingyu Liu, Guanghui Zheng, Zhifeng Liu, Longyuan Jiang, Qing Lin, Rui Chen, Wanchun Tang
Background: A compression-ventilation (C:V) ratio of 30:2 is recommended for adult cardiopulmonary resuscitation (CPR) by the current American Heart Association (AHA) guidelines. However, continuous chest compression (CCC) is an alternative strategy for CPR that minimizes interruption especially when an advanced airway exists. In this study, we investigated the effects of 30:2 mechanical CPR when compared with CCC in combination with regular ventilation in a porcine model. Methods: Sixteen male domestic pigs weighing 39±2 kg were utilized...
September 2017: Journal of Thoracic Disease
https://www.readbyqxmd.com/read/29221034/inp-based-photonic-integrated-circuit-platform-on-sic-wafer
#6
Mitsuru Takenaka, Shinichi Takagi
We have numerically investigated the properties of an InP-on-SiC wafer as a photonic integrated circuit (PIC) platform. By bonding a thin InP-based semiconductor on a SiC wafer, SiC can be used as waveguide cladding, a heat sink, and a support substrate simultaneously. Since the refractive index of SiC is sufficiently low, PICs can be fabricated using InP-based strip and rib waveguides with a minimum bend radius of approximately 7 μm. High-thermal-conductivity SiC underneath an InP-based waveguide core markedly improves heat dissipation, resulting in superior thermal properties of active devices such as laser diodes...
November 27, 2017: Optics Express
https://www.readbyqxmd.com/read/29218787/waist-circumference-at-five-common-measurement-sites-in-normal-weight-and-overweight-adults-which-site-is-most-optimal
#7
R E Brown, A K Randhawa, K L Canning, M Fung, D Jiandani, S Wharton, J L Kuk
The aim of this study was to determine (i) if adults would measure their own waist circumference (WC), (ii) which WC site(s) are the most intuitive and easy to measure and (iii) if measurement accuracy and association between WC and blood pressure differs across five measurement sites. Participants (n = 198) measured their WC first with no instruction and then using visual instructions for the iliac crest, last rib, midpoint, minimal waist and umbilicus. Without instruction, men most commonly measured their WC at the umbilicus and iliac crest, while women measured their WC at the umbilicus and minimal WC...
December 8, 2017: Clinical Obesity
https://www.readbyqxmd.com/read/29218290/critical-upper-limb-ischemia-due-to-brachial-tourniquet-in-misdiagnosed-thoracic-outlet-syndrome-after-carpal-tunnel-decompression-a-case-report
#8
Cesare Tiengo, Andrea Monticelli, Stefano Bonvini, Valentina Wassermann, Erica Dalla Venezia, Franco Bassetto
We present the case of a 68-year-old woman, referred to our department for critical upper limb ischemia, which had occurred a few days after homolateral surgical ligamentotomy for carpal tunnel syndrome, diagnosed and confirmed by electromyography, and performed with a brachial tourniquet. The patient was later admitted for subsequent progressive necrosis of the first three fingers of the left hand, accompanied by signs of upper limb ischemia. An accessory cervical rib was identified, completely obliterating the subclavian artery distally at the origin of the suprascapular artery...
September 2017: World Journal of Plastic Surgery
https://www.readbyqxmd.com/read/29217900/pulmonary-function-after-lobectomy-video-assisted-thoracoscopic-surgery-versus-muscle-sparing-mini-thoracotomy
#9
Katsuo Usuda, Sumiko Maeda, Nozomu Motomo, Makoto Tanaka, Masakatsu Ueno, Yuichiro Machida, Motoyasu Sagawa, Hidetaka Uramoto
Although pulmonary function was better after video-assisted thoracoscopic surgery (VATS) lobectomy than after open thoracotomy lobectomy, it is unclear whether postoperative pulmonary function after VATS lobectomy is better than that after mini-thoracotomy lobectomy. The aim of this study is to determine whether the former is better than the latter. VATS lobectomies were performed using endoscopic techniques through a 3-4-cm skin incision spread by a silicon rubber retractor and two or three trocars. Mini-thoracotomy lobectomies were performed through a 7-12-cm skin incision spread by rib retractors made of metal and one or two trocars...
December 2017: Indian Journal of Surgery
https://www.readbyqxmd.com/read/29216935/-chest-compression-on-cpr-and-active-abdominal-on-cpr
#10
Lixiang Wang, Wei Song, Sisen Zhang
Chest compression cannot be effectively applied under certain situations, such as chest wall deformity, rib fracture, or hemopneumothorax. Active abdominal compression-decompression cardiopulmonary resuscitation (AACD-CPR) could reach better resuscitation outcomes in certain cardiac arrest (CA) patients. AACD-CPR can strengthen the high quality of cardiopulmonary resuscitation (CPR) in "2015 American Heart Association for cardiopulmonary resuscitation and emergency cardiovascular care update guide". The two methods can complement each other in opposite direction, and implement the "2016 national consensus on cardiopulmonary resuscitation on CPR in China", which is an important part of the wisdom to the Chinese CPR...
December 2017: Zhonghua Wei Zhong Bing Ji Jiu Yi Xue
https://www.readbyqxmd.com/read/29216075/spectral-response-of-bragg-gratings-in-multimode-polymer-waveguides
#11
Aditya Bhuvaneshwaran, Stanislav Sherman, Hans Zappe
A means to calculate the multimodal spectral response of Bragg gratings in general non-circular multimode waveguides is proposed. To illustrate the power of the technique, the spectra of two Bragg temperature sensors are numerically calculated in which coupling between 100 modes is considered. It is shown how the Bragg wavelength in multimode Bragg grating waveguides is affected by the number of modes and energy distribution among them. Good matching of the simulated spectrum of a multimode Bragg grating on a planar inverted rib waveguide to the measured spectrum is seen...
December 1, 2017: Applied Optics
https://www.readbyqxmd.com/read/29214341/sternocostal-slipping-rib-syndrome
#12
Patrick C Bonasso, Shannon N Petrus, Samuel D Smith, Richard J Jackson
PURPOSE: Classical slipping rib syndrome (SRS) can be subclassified based on anatomical location. We describe our experience with three patients suffering from symptomatic sternocostal slipping rib syndrome (SCSRS), a much less common variant of SRS. METHODS: This was a retrospective review of patients with SRS from 1988 to 2016. Described is our experience. RESULTS: Of 44 patients identified with SRS, three patients underwent operations for SCSRS variant...
December 6, 2017: Pediatric Surgery International
https://www.readbyqxmd.com/read/29214334/using-four-layer-sculpted-rib-cartilage-framework-to-increase-transverse-height-of-the-reconstructive-ear-in-one-operative-stage-for-microtia-patients
#13
Rui Wan, Xingyuan Pang, Jun Ren
PURPOSE: This case study improves an operative method of ear reconstruction for microtia patients by using a four-layer rib cartilage framework to increase transverse height of the reconstructive ear to a natural level in one operative stage. MATERIALS AND METHODS: The procedures of ear reconstruction were conducted from February 2014 to May 2016. The ear framework used in the procedures was fabricated from autologous rib cartilage into a four-layer spliced sculpture...
December 6, 2017: Aesthetic Plastic Surgery
https://www.readbyqxmd.com/read/29214091/keeping-an-open-mind-cognitive-bias-in-the-evaluation-of-an-infant-with-posterior-lateral-rib-fractures
#14
Katie Johnson, Donald Chris Derauf, Raymond Stetson, Paul Galardy, Jason Homme
A four-month-old former premature male is incidentally found to have posterior-lateral rib fractures during evaluation of a febrile illness. This finding led to the initiation of a workup for nonaccidental trauma. A thorough history and physical exam ultimately led to the diagnosis, which was not related to abuse. This case highlights a rare sequela of patent ductus arteriosus repair, cautions medical teams to remain aware of how cognitive bias can affect diagnostic decision-making, and emphasizes the importance of a thorough history, physical exam, and medical record review in cases of suspected nonaccidental trauma...
2017: Case Reports in Pediatrics
https://www.readbyqxmd.com/read/29212974/-ige-%C3%AE%C2%BA-type-multiple-myeloma-achieving-complete-response-with-novel-agents
#15
Tomomi Takei, Tadao Ishida, Masahiro Ikeda, Sumito Shingaki, Kanji Miyazaki, Yumiko Yoshiki, Yu Abe, Kiyoshi Okazuka, Seiko Iki, Nobuhiro Tsukada, Kenshi Suzuki
IgE multiple myeloma (MM) is a rare subtype of MM characterized by an aggressive and poor prognosis. Although novel agents have improved the prognosis of MM, there are few case reports of IgE MM treated with these agents. A 53-year-old male patient presented with pain in the right rib and was diagnosed with IgE-κ MM. He was treated with multidrug chemotherapy, including bortezomib and lenalidomide, and underwent autologous stem-cell transplantation (ASCT). Finally, he achieved a complete response after the initiation of pomalidomide...
2017: [Rinshō Ketsueki] the Japanese Journal of Clinical Hematology
https://www.readbyqxmd.com/read/29211723/electron-cryo-microscopy-structure-of-a-human-trpm4-channel
#16
Paige A Winkler, Yihe Huang, Weinan Sun, Juan Du, Wei Lü
Ca2+-activated, non-selective (CAN) ion channels sense increases of the intracellular Ca2+ concentration, producing a flux of Na+ and/or K+ ions that depolarizes the cell, thus modulating cellular Ca2+ entry. CAN channels are involved in cellular responses such as neuronal bursting activity and cardiac rhythm. Here we report the electron cryo-microscopy structure of the most widespread CAN channel, human TRPM4, bound to the agonist Ca2+ and the modulator decavanadate. Four cytosolic C-terminal domains form an umbrella-like structure with a coiled-coil domain for the 'pole' and four helical 'ribs' spanning the N-terminal TRPM homology regions (MHRs), thus holding four subunits in a crown-like architecture...
December 6, 2017: Nature
https://www.readbyqxmd.com/read/29205465/gross-anatomy-of-the-heart-of-the-alpaca-vicugna-pacos-linnaeus-1758
#17
W Pérez, V Méndez, N Vazquez, M Navarrete, H E König
The available information about anatomical characteristics of the cardiovascular system of the alpaca (Vicugna pacos, Linnaeus 1758) is scarce. The general objective of this work was to describe its heart anatomy. We dissected six adult animals and five neonates. The heart of the alpaca was located in the middle mediastinum, with a craniocaudal extension from the third to the sixth rib. No ligament that connected the fibrous pericardium to the sternum or to the diaphragm was detected. In the right atrium, there was a developed crista terminalis and small pectinate muscles...
December 4, 2017: Anatomia, Histologia, Embryologia
https://www.readbyqxmd.com/read/29205223/investigation-of-chest-injury-mechanism-caused-by-different-seatbelt-loads-in-frontal-impact
#18
Sen Xiao, Jikuang Yang, Jeff R Crandall
PURPOSE: The purpose of this quantitative study is to investigate the differences of the injury mechanism caused by two different types of seatbelt loads on the occupant's chest. METHODS: The finite element analysis is employed to compare the different responses of the human body model, including comparison of kinematics, chest accelerations, seatbelt forces and chest injury outcomes regarding chest deflections and rib fractures. RESULTS: The calculated rib strain-stress response from simulations in force-limiting seatbelt are higher than that in the regular seatbelt...
2017: Acta of Bioengineering and Biomechanics
https://www.readbyqxmd.com/read/29204339/chest-pain-in-a-young-immunocompetent-male-a-rare-case-scenario
#19
M D Badusha, Ramanjula Reddy, Konathala Phani Kumar, Satyasri
Musculoskeletal tuberculosis is the commonest form of extrapulmonary tuberculosis however Rib lesion is uncommon and occurs in zero to five percent of bone and joint tuberculosis. In our case report both chest X ray and CT were useful in demonstrating the skeletal lesion and also in the assessment of response to treatment, as follow up chest X ray and CT scan at 4 months and after 12 months of anti tubercular drugs showed remarkable new bone formation and clearing of pleura parenchymal lesions.
2018: Respiratory Medicine Case Reports
https://www.readbyqxmd.com/read/29204290/meningeal-carcinomatosis-and-spinal-cord-infiltration-caused-by-a-locally-invasive-pulmonary-adenocarcinoma-in-a-cat
#20
Christoforos Posporis, Llorenç Grau-Roma, Olga Travetti, Maria Oliveira, Laura Polledo, Annette Wessmann
Case summary: A 12-year-old domestic shorthair cat was presented with acute non-painful hindlimb proprioceptive ataxia localising to T3-L3 spinal cord segments. MRI revealed paravertebral muscular hyperintensity on T2-weighted images at the level of T7-T8 vertebrae. The cat improved on conservative management but deteriorated 3 months later. Repeated MRI showed meningeal enhancement at the same level and hyperintensity of the paravertebral musculature extending to the right thoracic wall and pleural space on short tau inversion recovery images...
July 2017: JFMS Open Reports
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