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Tahira Devji
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April 13, 2018: Journal of the American Dental Association
Lukasz Ulatowski, Anna Kaniewska
Replantation of a totally avulsed scalp is a demanding microsurgical procedure with no good alternatives. Here, we present a case of successful scalp replantation after 11 hours of cold ischemia in a 24-year-old woman. The steps of the procedure, the outcomes, and a review of the literature are presented. Adhering to the steps outlined in this report during replantation is vital for success, and allows the serious complications and pitfalls associated with this procedure to be avoided. Following basic plastic surgery principles leads to better aesthetic outcomes...
April 2018: Handchirurgie, Mikrochirurgie, Plastische Chirurgie
Rainer Kotz
PURPOSES: Bone tumours have been a tragedy for the patient in any time period. In the majority of the cases it occurs in children or young adults. In the past the affected limbs could not be spared and the overall prognosis was poor. METHODS: Chemotherapy successfully introduced for the purpose of overcoming the poor overall prognosis (Rosen and Jaffe) and tumour prostheses were invented for the purpose of salvaging the affected limbs (Marcove, Scales, Campanacci, Sivas, Salzer)...
December 1, 2017: Prilozi (Makedonska Akademija Na Naukite i Umetnostite. Oddelenie za Medicinski Nauki)
Qingyun Zhao, Wu Xiong, Yizhang Xing, Yan Sun, Xingjun Lin, Yunping Dong
Long-term monoculture severely inhibits coffee plant growth, decreases its yield and results in serious economic losses in China. Here, we selected four replanted coffee fields with 4, 18, 26 and 57 years of monoculture history in Hainan China to investigate the influence of continuous cropping on soil chemical properties and microbial communities. Results showed long-term monoculture decreased soil pH and organic matter content and increased soil EC. Soil bacterial and fungal richness decreased with continuous coffee cropping...
April 17, 2018: Scientific Reports
Monique Costa Moreira França, Tânia Mara Da Silva, Gleyce Oliveira Silva, Márcia Carneiro Valera, Carlos Henrique Ribeiro Camargo
BACKGROUND/AIMS: Dental root cell proliferation following tooth avulsion has not been well researched. Understanding the effects of dry time and dentin treatment influences on cell proliferation is essential to provide evidence-based guidelines for tooth replantation. The study evaluated the viability of periodontal ligament fibroblasts (PLF) in contact with roots, submitted to surface treatments with EDTA and hyaluronic acid (HA) at different times, including to quantify inflammatory cytokines IL-6, IL-8, IL-1β and TNF-α expressed by PLF...
April 17, 2018: Dental Traumatology: Official Publication of International Association for Dental Traumatology
Lama Awawdeh, Rana Naman Haimour, Suhad Hussein Al-Jundi, Khaled Al-Qaoud
BACKGROUND/AIMS: Successful replantation of an avulsed tooth depends on the regeneration of periodontal ligament (PDL) attachment which is affected by the transport medium, dry time and storage time. Various storage media have been studied but the search for the optimum storage medium is still needed to determine the ideal material and storage time to maintain PDL cells. The aim of this study was to determine the ability of Custodiol® , coconut water from different stages of maturity and propolis as storage media for avulsed teeth by evaluating the viability of PDL cells for different time intervals...
April 17, 2018: Dental Traumatology: Official Publication of International Association for Dental Traumatology
Laura Petrovics, Tibor Nagy, Peter Hardi, Laura Bognar, Gabor Pavlovics, Gyorgy Tizedes, Ildiko Takacs, Gabor Jancso
BACKGROUND: Ischemia-reperfusion injury may lead to insufficient microcirculation and results in partial flap loss during the free flap surgeries. OBJECTIVE: This study aimed to investigate the effect of trimetazidine (TMZ) on oxidative stress, inflammation and histopathological changes, using the epigastric skin flap model in rats. METHODS: 40 male Wistar rats were used, that were divided into four groups. Control group, non-treated ischemic (I/R)-group and two trimetazidine treated groups (preischemically, postischemically) were established...
April 13, 2018: Clinical Hemorheology and Microcirculation
Wilson Roberto Poi, Celso Koogi Sonoda, Marina Fuzette Amaral, Alfredo Franco Queiroz, Alline Batistussi França, Daniela Atili Brandini
BACKGROUND/AIM: The storage media is directly related to the prognosis of avulsed teeth, with resveratrol drawing attention due to its antioxidant and anti-inflammatory proprieties. The aim of this study was to evaluate the repair process in rat teeth following delayed replantation after storage in resveratrol (R) dissolved in dimethyl sulfoxide (DMSO). MATERIAL AND METHODS: The upper right central incisors of 36 rats were divided into 4 groups. In Group I, the teeth were extracted and immediately replanted...
April 14, 2018: Dental Traumatology: Official Publication of International Association for Dental Traumatology
Nattaporn Wimolsantirungsri, Anupong Makeudom, Phumisak Louwakul, Thanapat Sastraruji, Pattama Chailertvanitkul, Chayarop Supanchart, Suttichai Krisanaprakornkit
BACKGROUND/AIM: Avulsed teeth should be immediately replanted into the socket or otherwise kept in a physiologic storage medium to maintain periodontal ligament cell viability. A previous study has demonstrated that Thai propolis extract can maintain viability of human periodontal ligament cells. However, root resorption by osteoclasts often occurs when the avulsed teeth are replanted. The aim of this study was to determine the inhibitory effect of Thai propolis extract on human osteoclastogenesis in vitro...
April 3, 2018: Dental Traumatology: Official Publication of International Association for Dental Traumatology
Fei Wu, Xiaofang Shen, Kyle R Eberlin, Zhibo Sun, Xiao Zhou, Mingyu Xue
PURPOSE: The purpose of this study was to evaluate outcomes for patients sustaining a distal fingertip amputation who underwent replantation witharteriovenous anastomosis for venous drainage over a one year period at our institution. This technique has been utilized when insufficient veins are identified in the amputated part for standard veno-venous anastomosis. METHODS: A retrospective study was performed on patients presenting from 2013 to 2014. Guillotine, crush, and avulsion/degloving injuries were included if they underwent fingertip (Tamai Zone I) replantation with arterial anastomosis for vascular inflow and arteriovenous anastomosis for venous drainage...
March 27, 2018: Injury
Laila A Bahammam
BACKGROUND: The aim of the study was to evaluate the knowledge of ER physicians with different specialties, experience and hospital sectors for the management of avulsed teeth in the emergency rooms of eight major hospitals in Jeddah, Saudi Arabia. It also covers their attitude towards receiving further education on tooth avulsion management. METHODS: A cross-sectional survey was conducted at the emergency rooms of eight hospitals in Jeddah from August to December 2015...
April 2, 2018: BMC Oral Health
Amir Arami, Shelly Gurevitz, Ram Palti, Shay Menachem, Mina Berelowitz, Batia Yaffe
PURPOSE: A noteworthy cause of failure in digital replantation is venous insufficiency. External bloodletting with medicinal leeches is a common treatment for venous insufficiency after distal digital replantations. The objective of this study was to evaluate the salvage rate of digits replanted proximal to the distal interphalangeal (DIP) joint that were treated with medicinal leeches for venous congestion. METHODS: We retrospectively reviewed the charts of patients with complete or incomplete digit amputation admitted between January, 2008 and April, 2014...
March 27, 2018: Journal of Hand Surgery
Wei Wei, Min Yang, Yixiang Liu, Huichuan Huang, Chen Ye, Jianfen Zheng, Cunwu Guo, Minwen Hao, Xiahong He, Shusheng Zhu
Replant failure caused by negative plant-soil feedback (NPFS) in agricultural ecosystems is a critical factor restricting the development of sustainable agriculture. Soil nutrient availability has the capacity to affect plant-soil feedback. Here, we used sanqi (Panax notoginseng), which is severely threatened by NPSF, as a model plant to decipher the overall effects of nitrogen (N) rates on NPSF and the underlying mechanism. We found that a high rate of N at 450kgNha-1 (450N) aggravated the NPSF through the accumulation of pathogens in the soil compared with the optimal 250N...
March 27, 2018: Science of the Total Environment
Hisashi Kato-Noguchi, Keisuke Nakamura, Nobuyuki Okuda
Asparagus (Asparagus officinalis L.) is a widely cultivated perennial veritable and can be harvested more than ten years. However, the crop quality and yield decline after a few year's cultivation, which is called "asparagus decline". Even though those asparagus plants were replaced with new young asparagus plants, the productivity and quality of the crop remain relatively low, which is known as a "asparagus replant problem". One of the possible reasons for "asparagus decline" and "asparagus replant problem" is thought to be autotoxicity of asparagus...
March 19, 2018: Journal of Plant Physiology
Howard H Wang, Nima D Sarmast, Elham Shadmehr, Nikola Angelov, Shahrokh Shabahang, Mahmoud Torabinejad
INTRODUCTION: Enamel matrix derivative (EMD) is a protein extract used for the treatment of periodontal defects and soft tissue recession. Its use in endodontics has been a subject of exploration, especially in regenerative procedures. The aim of this review was to evaluate the current literature available on the application of EMD in the field of endodontics. METHODS: An initial literature search of databases using different combinations of the search terms yielded 1089 articles...
March 23, 2018: Journal of Endodontics
Jae Ha Hwang, Kwang Seog Kim, Sam Yong Lee
A 45-year-old male presented with amputation of posterior heel soft tissue after an accident involving broken glass panes. The defect measured 4 × 6.5 cm, and the composite amputated tissue consisted of skin and subcutaneous layers. Intraoperative exploration of the amputated tissue revealed 2 perforator arteries (diameter ≤0.4 mm) in the central portion of the subcutaneous tissue and 4 superficial veins (diameter ≈0.6 mm) in the wound margin. These vessels were anastomosed end-to-end to the corresponding vessels from the wound bed using 11-0 nylon sutures...
March 21, 2018: Journal of Foot and Ankle Surgery: Official Publication of the American College of Foot and Ankle Surgeons
Manal Maslamani, Bobby Joseph, Severino Gabato, Lars Andersson
An avulsed tooth should ideally be replanted as soon as possible. Periodontal ligament (PDL) cells may survive for a short time in dry storage or storage in some physiologic media, enabling healing with normal PDL.1,2 However, after delayed replantation, when the extra oral drying time is longer than 60 min, the cells of the PDL will not survive.2-8 Despite this, even after long periods of dry extra oral time, delayed replantation is recommended although these PDL cells are necrotic.9,10 In such teeth ankylosis and osseous replacement are unavoidable, and the tooth will be eventually lost...
March 23, 2018: Dental Traumatology: Official Publication of International Association for Dental Traumatology
Kathrin R Blume, Juliane Racz, Marcel Franz, Caroline Dietrich, Christian Puta, Reinhard Friedel, Gunther O Hofmann, Wolfgang H R Miltner, Thomas Weiss
A comprehensive functional recovery is one of the criteria for successful replantation of an amputated limb. Functionality of a replanted limb is strongly dependent on its regained sensibility. In previous studies concerning the sensibility of replanted limbs, only a few somatosensory submodalities were examined in small samples. The purpose of the present study is to provide a full pattern of somatosensory symptoms following replantation. Quantitative Sensory Testing (QST) was carried out according to a standardized protocol in a sample of 15 patients who underwent replantation of their upper limb proximal to the radiocarpal joint (macroreplantation)...
March 15, 2018: Pain
Laurent Mathieu, Michel Levadoux, Emmanuel Soucany de Landevoisin, Tarun J McBride Windsor, Sylvain Rigal
INTRODUCTION: Noncombat-related hand injuries are common in current theatres of operations. Crushing is one of the most frequent mechanisms that may cause traumatic amputations of digits. In the military setting, management of these digital amputations is challenging regarding limitation in microsurgical means in medical treatment facilities and aeromedical evacuation delays out of the combat zone. METHODS: Two cases of digital replantation performed in French forward surgical units are described...
2018: SICOT-J
Hanyu Qian, Yunpeng Ding, Yangou Wu, Shengjiao Li
PURPOSE: The purpose of this study was to evaluate the effects of replanted rats' teeth that had been soaked in one of three modified Hank's balanced salt solutions (HBSSs) before replantation and after extended extra-oral dry time. MATERIALS AND METHODS: Maxillary right incisors were extracted from 55 Wistar rats and kept dry for 30 or 60 min (n = 5 each). Afterwards, the pulp was extirpated and both the papilla and enamel organ were removed with a scalpel. Each group of teeth was soaked in one of three modified HBSSs or HBSS alone...
February 21, 2018: Journal of Cranio-maxillo-facial Surgery
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