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https://www.readbyqxmd.com/read/28292601/a-survey-of-cone-beam-computed-tomographic-use-among-endodontic-practitioners-in-the-united-states
#1
Frank C Setzer, Nathan Hinckley, Meetu R Kohli, Bekir Karabucak
INTRODUCTION: Cone-beam computed tomographic (CBCT) imaging is an emerging technology for clinical endodontic practice. The aim of this study was to investigate the acceptance, accessibility, and usage of CBCT imaging among American Association of Endodontists members in the United States by means of an online survey. METHODS: An invitation to participate in a web-based survey was sent to 3076 members of the American Association of Endodontists. The survey consisted of 8 questions on demographics, access to CBCT machines, field of view (FOV), frequency of use for particular applications, and reasons in case CBCT was not used...
March 11, 2017: Journal of Endodontics
https://www.readbyqxmd.com/read/28286074/human-penile-transplantation-an-emerging-therapy-for-genitourinary-reconstruction
#2
REVIEW
Nikolai A Sopko, Sami H Tuffaha, Denver Lough, Gerald Brandacher, W P Andrew Lee, Trinity J Bivalacqua, Richard J Redett, Arthur L Burnett
PURPOSE: Reconstruction of complex functional structures is increasingly being performed with vascularized composite allo-transplantation (VCA). Penile transplantation is a novel VCA treatment option for severe penile tissue loss and disfigurement. Three allogeneic human penile transplantations have been reported. We review these cases as well as penile transplant indications, pre-clinical models, and immunosuppression therapy. MATERIALS AND METHODS: We performed a comprehensive literature review for the years 1970 to 2016 via MEDLINE, PubMed, and Google with the key words "penis transplantation", "penile rejection", "penile replantation", "penile tissue loss", and "penis vascularized composite allo-transplantation"...
March 9, 2017: Journal of Urology
https://www.readbyqxmd.com/read/28275853/transcriptome-analysis-reveals-metabolic-alteration-due-to-consecutive-monoculture-and-abiotic-stress-stimuli-in-rehamannia-glutinosa-libosch
#3
Yunhe Tian, Fajie Feng, Bao Zhang, Mingjie Li, Fengqing Wang, Li Gu, Aiguo Chen, Zhanjie Li, Wenbo Shan, Xiaoran Wang, Xinjian Chen, Zhongyi Zhang
We deeply investigated the mechanism underlying metabolic regulation in response to consecutive monoculture (replanting disease) and different abiotic stresses that unfolded the response mechanism to consecutive monoculture problem through RNA-seq analysis. The consecutive monoculture problem (CMP) resulted of complex environmental stresses mediated by multiple factors. Previous studies have noted that multiple stress factors in consecutive monoculture soils or plants severely limited the interpretation of the critical molecular mechanism, and made a predict that the specifically responding factor was autotoxic allelochemicals...
March 8, 2017: Plant Cell Reports
https://www.readbyqxmd.com/read/28266756/high-frequency-spinal-cord-stimulation-in-surgery-na%C3%A3-ve-patients-a-prospective-single-center-study
#4
Sebastian A Ahmadi, Jan Vesper, Stefan Schu, Philipp J Slotty
INTRODUCTION: A multitude of evidence supporting the beneficial effects of spinal cord stimulation (SCS) in patients suffering from chronic pain syndromes following spinal surgery has been published in the last decade. Evidence is scarce, however, for the use of high frequency SCS (HF-SCS) in the treatment of surgery naïve patients suffering from lower back pain (LBP). METHODS: From June 2014 to April 2015, we prospectively enrolled patients suffering from LBP alone or in conjunction with leg pain in a trial of HF-SCS...
March 7, 2017: Neuromodulation: Journal of the International Neuromodulation Society
https://www.readbyqxmd.com/read/28253946/-periprosthetic-infection-of-the-knee-megaprosthesis-following-a-resection-of-malignant-tumours-around-the-knee
#5
J Včelák, Z Matějovský, I Kofránek, R Kubeš, J Lesenský
PURPOSE OF THE STUDY The study presents the monocentric retrospective study of a group of patients with malignant tumours around the knee, treated by a wide resection and a reconstruction with megaprosthesis due to infectious complications. Provided is a detailed analysis of each operative treatment due to the manifestation and process of periprostethic infection of the knee megaprosthesis and the use of external fixator during a two-stage revision. MATERIAL AND METHODS Between 01/1993 and 12/2013, a total of 67 cemented megaprostheses were assessed, with a detailed analysis of 12 patients with periprosthetic infection...
2017: Acta Chirurgiae Orthopaedicae et Traumatologiae Cechoslovaca
https://www.readbyqxmd.com/read/28251838/is-hyperbaric-oxygen-therapy-indispensable-for-saving-mutilated-hand-injuries
#6
I-Han Chiang, Yuan-Sheng Tzeng, Shun-Cheng Chang
Mutilated hand injuries are a profound challenge to the plastic surgeon, and such injuries often lead to limb loss and severe functional impairment. Hyperbaric oxygen therapy (HBOT) appears to counteract tissue hypoxia and stimulate acute wound healing. This study was performed to evaluate the efficacy of HBOT as an adjunctive therapy in patients with a mutilated hand injury. Between January 2006 and December 2014, 45 patients with a mutilated hand injury were enrolled. After reconstruction or revascularisation, patients underwent 120 minutes of HBOT with oxygen at 2·5 atmospheres absolute while breathing 100% oxygen...
March 1, 2017: International Wound Journal
https://www.readbyqxmd.com/read/28249304/theoretical-implications-of-oxygenation-in-limb-replant-or-transplant
#7
Thomas M Suszynski, Nicholas T Haddock
No abstract text is available yet for this article.
March 1, 2017: Journal of Reconstructive Microsurgery
https://www.readbyqxmd.com/read/28240886/codonopilate-a-a-triterpenyl-ester-as-main-autotoxin-in-cultivated-soil-of-codonopsis-pilosula-franch-nannf
#8
Min Xie, Zhiqiang Yan, Xia Ren, Xiuzhuang Li, Bo Qin
Codonopilate A (1), a triterpenyl ester, was isolated from monocultivated soil of annual Codonopsis pilosula and identified as the main autotoxin. The yield ratio of codonopilate A in dried soil was calculated as 2.04 μg/g. Other two triterpenoids, taraxeryl acetate (2) and 24-methylenecycloartanol (3), were isolated and identified as well showing weaker autotoxity. This was the first time that the potential allelochemicals and autotoxins in the cultivated soil of Codonopsis pilosula were reported. Accumulation of reactive oxygen species (ROS) induced by the autotoxins in the root tips of Codonopsis pilosula was considered as an important factor for the phytotoxic effect...
March 7, 2017: Journal of Agricultural and Food Chemistry
https://www.readbyqxmd.com/read/28230584/microsurgical-replantation-of-total-avulsed-scalp-extending-the-limits
#9
Yunbo Jin, Chen Hua, Xiaojie Hu, Hui Chen, Gang Ma, Yun Zou, Bin Chen, Dongze Lyu, Mathias Tremp, Xiaoxi Lin
BACKGROUND: Avulsion of the scalp is a rare but severe trauma and challenging to the reconstructive surgeon. It poses not only physical concussion but also significant persisting psychological distress to the patients. METHODS: Medical records from 5 patients who suffered scalp avulsion were reviewed retrospectively. The following data and methods were assessed: age, number of vessels repaired, method of replantation, vein grafts required, blood transfusion, ischemia time, total operating time, and percentage of scalp survival...
February 22, 2017: Journal of Craniofacial Surgery
https://www.readbyqxmd.com/read/28216832/a-novel-technique-for-continuous-cooling-till-re-establishment-of-blood-flow-during-major-limb-replants
#10
R Jayakumar, Rahul Bamal, Amrita Mandal
No abstract text is available yet for this article.
September 2016: Indian Journal of Plastic Surgery: Official Publication of the Association of Plastic Surgeons of India
https://www.readbyqxmd.com/read/28216827/distal-phalanx-amputation-with-delayed-presentation-and-successful-reconstruction-with-reposition-and-flap-after-2-weeks
#11
Jefferson Braga-Silva, Renato Franz Matta Ramos, Gabriela Meirelles Marchese, Pedro Salomao Piccinini
Traumatic finger amputations are common, causing significant functional and cosmetic deficits. Microsurgical replantation techniques are the mainstay of treatment for most such injuries although they require adequate conservation of the amputated segment for a successful result. In distal finger amputations, replantation is the procedure of choice, as long as the amputated fragment is viable. If replantation is not an option, reposition + flap using a neurovascular flap can be an efficient option, as this offers improved skin coverage...
September 2016: Indian Journal of Plastic Surgery: Official Publication of the Association of Plastic Surgeons of India
https://www.readbyqxmd.com/read/28216826/assessment-of-hand-function-after-successful-replantation-of-upper-limb-at-arm
#12
V Koteswara Rao Rayidi, Venkata Bhargava Velde, Narsimha Rao, N Ram Babu, Laxman Sambari
In upper arm replantation, a successful anastomosis guarantees the viability and good quality repair determines the overall function of the hand. There is paucity of successful arm replantation case reports in the literature. This is a case report of a successful arm replantation in a four year child with a near total functional outcome. We have used different scores to assess the functional outcome.
September 2016: Indian Journal of Plastic Surgery: Official Publication of the Association of Plastic Surgeons of India
https://www.readbyqxmd.com/read/28215343/clinical-outcomes-after-intentional-replantation-of-periodontally-involved-teeth
#13
Sin-Yeon Cho, Seung-Jong Lee, Euiseong Kim
INTRODUCTION: Periodontal involvement has been thought to be a contraindication for intentional replantation. This retrospective study aimed to assess clinical outcomes after intentional replantation of teeth with periodontal involvement and to explore potential predictors of outcomes. METHODS: Teeth with a history of intentional replantation between March 2000 and December 2014 and with 1 or 2 preoperative periodontal pockets ≥6 mm among 6 sites evaluated per tooth were included...
February 15, 2017: Journal of Endodontics
https://www.readbyqxmd.com/read/28209953/-extracorporeal-partial-nephrectomy-under-pharmaco-cold-ischemia-for-renal-cell-carcinoma
#14
A A Gritskevich, I V Miroshkina, S S Piyanikin, Z A Adyrkhayev, Yu A Stepanova, A E Zotikov, A A Teplov, V A Kubyshkin, A Sh Revishvili
AIM: To develop the method for extracorporeal partial nephrectomy under pharmaco-cold ischemia without ureter intersection with orthotopic replantation of renal vessels for RCC. MATERIAL AND METHODS: The study included 37 patients with morphologically confirmed RCC pT1a-Т3bN0M0-1G1-3 with intraparenchymal and central location of the tumor in cases of single kidney, comorbidity of contralateral kidney and kidney on the side of lesion. RESULTS: Mean surgery time was 413...
2017: Khirurgiia
https://www.readbyqxmd.com/read/28194348/analysis-of-bone-fixation-methods-in-digital-replantation
#15
Seung Woo Lee, Dong Chul Lee, Jin Soo Kim, Si Young Roh, Kyung Jin Lee
BACKGROUND: Adequate fixation of replanted digits is essential not only for short-term healing but for long-term function. Various bony fixation methods using Kirschner (K-) and intraosseous wire are available in replantation. We examined clinical and radiographic outcomes of fixation methods on bone union after digital replantation. METHODS: A single institutional retrospective review identified 992 patients who had undergone 1,247 successful replantations between July 2009 and September 2015...
January 2017: Archives of Plastic Surgery
https://www.readbyqxmd.com/read/28187720/long-term-outcome-following-upper-extremity-replantation-after-major-traumatic-amputation
#16
G Mattiassich, F Rittenschober, L Dorninger, J Rois, R Mittermayr, R Ortmaier, M Ponschab, K Katzensteiner, L Larcher
BACKGROUND: Amputations in general and amputations of upper extremities, in particular, have a major impact on patients' lives. There are only a few long-term follow-up reports of patients after macro-replantation. We present our findings in contrast with the existing literature. METHODS: Sixteen patients with traumatic macro-amputation of an upper extremity were eligible for inclusion in this study. Altogether, the patients underwent replantation in 3 institutions between 1983 and 2011...
February 10, 2017: BMC Musculoskeletal Disorders
https://www.readbyqxmd.com/read/28184238/a-carbon-balance-model-for-the-great-dismal-swamp-ecosystem
#17
Rachel Sleeter, Benjamin M Sleeter, Brianna Williams, Dianna Hogan, Todd Hawbaker, Zhiliang Zhu
BACKGROUND: Carbon storage potential has become an important consideration for land management and planning in the United States. The ability to assess ecosystem carbon balance can help land managers understand the benefits and tradeoffs between different management strategies. This paper demonstrates an application of the Land Use and Carbon Scenario Simulator (LUCAS) model developed for local-scale land management at the Great Dismal Swamp National Wildlife Refuge. We estimate the net ecosystem carbon balance by considering past ecosystem disturbances resulting from storm damage, fire, and land management actions including hydrologic inundation, vegetation clearing, and replanting...
December 2017: Carbon Balance and Management
https://www.readbyqxmd.com/read/28183229/modified-innervated-sensory-cross-finger-flap-in-failed-finger-replantation
#18
S H Lee, S J An, D H Kim, S M Hong, J I Kim
No abstract text is available yet for this article.
February 1, 2017: Journal of Hand Surgery, European Volume
https://www.readbyqxmd.com/read/28179478/magnetic-resonance-spectroscopy-of-current-hand-amputees-reveals-evidence-for-neuronal-level-changes-in-former-sensorimotor-cortex
#19
Carmen M Cirstea, In-Young Choi, Phil Lee, Huiling Peng, Christina L Kaufman, Scott H Frey
Deafferentation is accompanied by large-scale functional reorganization of maps in the primary sensory and motor areas of the hemisphere contralateral to injury. Animal models of deafferentation suggest a variety of cellular-level structural changes including depression of neuronal metabolism and even neuronal death. Whether similar neuronal changes contribute to patterns of reorganization within the contralateral sensorimotor cortex of chronic human amputees is uncertain. We used a functional MRI-guided proton magnetic resonance spectroscopy (1H-MRS) to test the hypothesis that unilateral deafferentation is associated with lower absolute levels of N-acetylaspartate (NAA, a putative marker of neuronal integrity) in the sensorimotor hand territory located contralateral to the missing hand in chronic amputees (N=19) as compared to the analogous hand territory of age/sex-matched healthy controls (N=28)...
February 8, 2017: Journal of Neurophysiology
https://www.readbyqxmd.com/read/28177531/recruitment-of-bone-marrow-derived-cells-to-the-periodontal-ligament-via-the-stromal-cell-derived-factor-1-c-x-c-chemokine-receptor-type-4-axis
#20
M Kaku, M Kitami, J M Rosales Rocabado, T Ida, Y Akiba, K Uoshima
BACKGROUND/OBJECTIVES: The periodontal ligament (PDL) is a non-mineralized connective tissue that exists between the alveolar bone and root surface cementum and plays important roles in tooth function. The PDL harbors a remarkable reserve of multipotent stem cells, which maintain various types of cells. However, the sources of these stem cells, other than their developmental origin, are not well understood. MATERIAL AND METHODS: To elucidate the recruitment of bone marrow (BM)-derived stem cells in the PDL, green fluorescent protein (GFP)-expressing BM-derived cells were transplanted into the femoral BM of immunodeficient rats, and the distribution and expression of stem cell markers in the PDL were analyzed in vivo...
February 8, 2017: Journal of Periodontal Research
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