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Eggert LS, Buij R, Lee ME, Campbell P, Dallmeier F, Fleischer RC, Alonso A, Maldonado JE. Using genetic profiles of African forest elephants to infer population structure, movements, and habitat use in a conservation and development landscape in Gabon. CONSERVATION BIOLOGY : THE JOURNAL OF THE SOCIETY FOR CONSERVATION BIOLOGY 2014; 28:107-118. [PMID: 24471781 DOI: 10.1111/cobi.12161] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/28/2012] [Accepted: 06/06/2013] [Indexed: 06/03/2023]
Abstract
Conservation of wide-ranging species, such as the African forest elephant (Loxodonta cyclotis), depends on fully protected areas and multiple-use areas (MUA) that provide habitat connectivity. In the Gamba Complex of Protected Areas in Gabon, which includes 2 national parks separated by a MUA containing energy and forestry concessions, we studied forest elephants to evaluate the importance of the MUA to wide-ranging species. We extracted DNA from elephant dung samples and used genetic information to identify over 500 individuals in the MUA and the parks. We then examined patterns of nuclear microsatellites and mitochondrial control-region sequences to infer population structure, movement patterns, and habitat use by age and sex. Population structure was weak but significant, and differentiation was more pronounced during the wet season. Within the MUA, males were more strongly associated with open habitats, such as wetlands and savannas, than females during the dry season. Many of the movements detected within and between seasons involved the wetlands and bordering lagoons. Our results suggest that the MUA provides year-round habitat for some elephants and additional habitat for others whose primary range is in the parks. With the continuing loss of roadless wilderness areas in Central Africa, well-managed MUAs will likely be important to the conservation of wide-ranging species.
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Tinckam K, Campbell P. Angiotensin II Type 1 receptor antibodies: great expectations? Am J Transplant 2013; 13:2515-6. [PMID: 23924147 DOI: 10.1111/ajt.12396] [Citation(s) in RCA: 8] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/03/2013] [Accepted: 06/18/2013] [Indexed: 01/25/2023]
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Brealey S, Piper K, King D, Bland M, Caddick J, Campbell P, Gibbon A, Highland A, Jenkins N, Petty D, Warren D. Observer agreement in the reporting of knee and lumbar spine magnetic resonance (MR) imaging examinations: Selectively trained MR radiographers and consultant radiologists compared with an index radiologist. Eur J Radiol 2013; 82:e597-605. [DOI: 10.1016/j.ejrad.2013.05.024] [Citation(s) in RCA: 18] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/06/2012] [Revised: 05/11/2013] [Accepted: 05/21/2013] [Indexed: 11/17/2022]
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Conte S, Vesterlund L, Katayama S, Karimi M, Unneberg P, Papaemmanuil E, Jansson M, Mortera-Blanco T, Dimitriou M, Sander B, Skoog T, Campbell P, Kere J, Hellström-Lindberg E. P-005 Aberrant splicing during erythroid differentiation in SF3B1 mutated sideroblastic anemia. Leuk Res 2013. [DOI: 10.1016/s0145-2126(13)70054-7] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/26/2022]
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Hannemann F, Hartmann A, Schmitt J, Lützner J, Seidler A, Campbell P, Delaunay CP, Drexler H, Ettema HB, García-Cimbrelo E, Huberti H, Knahr K, Kunze J, Langton DJ, Lauer W, Learmonth I, Lohmann CH, Morlock M, Wimmer MA, Zagra L, Günther KP. European multidisciplinary consensus statement on the use and monitoring of metal-on-metal bearings for total hip replacement and hip resurfacing. Orthop Traumatol Surg Res 2013; 99:263-71. [PMID: 23507457 DOI: 10.1016/j.otsr.2013.01.005] [Citation(s) in RCA: 99] [Impact Index Per Article: 9.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 11/20/2012] [Revised: 01/21/2013] [Accepted: 01/25/2013] [Indexed: 02/02/2023]
Abstract
INTRODUCTION There is an ongoing debate about the optimal use of metal-on-metal (MoM) bearings in total hip replacement, since there are uncertainties about local and systemic adverse effects due to wear and corrosion of these bearings. Despite various national recommendations, efforts to achieve international harmonization of specific evidence-based recommendations for best practice are still lacking. HYPOTHESIS An international consensus study group should be able to develop recommendations on the use and monitoring of MoM bearings, preferably at the European level, through a multidisciplinary approach, by integrating the perspectives of various stakeholders. MATERIALS AND METHODS Twenty-one experts representing three stakeholder groups and eight countries participated in this European consensus study, which consisted of a consensus meeting, subsequent structured discussion, and consensus voting. RESULTS The current statement defines first of all benefits, local and systemic risks, as well as uncertain issues related to MoM bearings. Safety assessment after implantation of MoM comprises all patients. A closer follow-up is recommended for large head MoM (≥36mm) and resurfacing. In these implants basic follow-up should consist of x-rays and metal ion measurement of cobalt in whole blood, performed with GF-AAS or ICP-MS. Clinical and/or radiographic abnormality as well as elevated ion levels needs additional imaging (ultrasound, CT-scan and/or MARS-MRI). Cobalt values less than 2 μg/L are probably devoid of clinical concern, the threshold value for clinical concern is expected to be within the range of 2-7 μg/L. DISCUSSION This is the first multinational, interdisciplinary, and multiprofessional approach for developing a recommendation for the use and monitoring of MoM bearings in total hip replacement. The current recommendations are in partial agreement with previous statements regarding the extent of follow-up and imaging techniques. They however differ from previous communications regarding measurement of metal ions and especially the investigated medium, technique, and eventual threshold levels. LEVEL OF EVIDENCE Level V, expert opinion/agreement conference.
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Shah B, Campbell P, Ford C, Goyal S, Lim KS. Re: The portsmouth-based refinement scheme: a role for virtual clinics in the future? Eye (Lond) 2013; 27:892-3. [PMID: 23598671 DOI: 10.1038/eye.2013.67] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/09/2022] Open
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Baluch A, Humar A, Eurich D, Egli A, Liacini A, Hoschler K, Campbell P, Berka N, Urschel S, Wilson L, Kumar D. Randomized controlled trial of high-dose intradermal versus standard-dose intramuscular influenza vaccine in organ transplant recipients. Am J Transplant 2013; 13:1026-1033. [PMID: 23406320 DOI: 10.1111/ajt.12149] [Citation(s) in RCA: 75] [Impact Index Per Article: 6.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/04/2012] [Revised: 12/10/2012] [Accepted: 12/14/2012] [Indexed: 01/25/2023]
Abstract
The immunogenicity of standard intramuscular (IM) influenza vaccine is suboptimal in transplant recipients. Also, recent studies suggest that alloantibody may be upregulated due to vaccination. We evaluated a novel high-dose intradermal (ID) vaccine strategy. In conjunction, we assessed alloimmunity. Transplant recipients were randomized to receive IM or high-dose ID vaccine. Strain-specific serology and HLA alloantibody production was determined pre- and postimmunization. In 212 evaluable patients (105 IM, 107 ID), seroprotection to H1N1, H3N2 and B strains was 70.5%, 63.8% and 52.4% in the IM group, and 71.0%, 70.1%, 63.6% in the ID group (p=ns). Seroconversion to ≥1 antigen was 46.7% and 51.4% in the IM and ID groups respectively (p=0.49). Response was more likely in those≥6 months posttransplant (53.2% vs. 19.2%; p=0.001). Use of mycophenolate mofetil was inversely associated with vaccine response in a dose-dependent manner (p<0.001). Certain organ subgroups had higher response rates for influenza B in the ID vaccine group. Differences in anti-HLA antibody production were detected in only 3/212(1.4%) patients with no clinical consequences. High-dose intradermal vaccine is an alternative to standard vaccine and has potential enhanced immunogenicity in certain subgroups. In this large cohort, we also show that seasonal influenza does not result in significant alloantibody production.
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Mengel M, Campbell P, Gebel H, Randhawa P, Rodriguez ER, Colvin R, Conway J, Hachem R, Halloran PF, Keshavjee S, Nickerson P, Murphey C, O'Leary J, Reeve J, Tinckam K, Reed EF. Precision diagnostics in transplantation: from bench to bedside. Am J Transplant 2013; 13:562-8. [PMID: 23279692 DOI: 10.1111/j.1600-6143.2012.04344.x] [Citation(s) in RCA: 23] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/31/2012] [Revised: 10/01/2012] [Accepted: 10/14/2012] [Indexed: 01/25/2023]
Abstract
The Canadian and American Societies of Transplantation held a symposium on February 22, 2012 in Quebec City focused on discovery, validation and translation of new diagnostic tools into clinical transplantation. The symposium focused on antibody testing, transplantation pathology, molecular diagnostics and laboratory support for the incompatible patient. There is an unmet need for more precise diagnostic approaches in transplantation. Significant potential for increasing the diagnostic precision in transplantation was recognized through the integration of conventional histopathology, molecular technologies and sensitive antibody testing into one enhanced diagnostic system.
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Campbell P. Maxine Clarke (1954-2012). Nature 2013. [DOI: 10.1038/493013b] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/09/2022]
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Campbell P. Guiding lights. Nature 2012. [DOI: 10.1038/nj7429-457a] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/09/2022]
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Fong CY, Grigoriadis G, Hocking J, Coutsouvelis J, Muirhead J, Campbell P, Paul E, Walker P, Avery S, Patil S, Spencer A, Schwarer A, Wei A. Fludarabine, cytarabine, granulocyte-colony stimulating factor and amsacrine: an effective salvage therapy option for acute myeloid leukemia at first relapse. Leuk Lymphoma 2012; 54:336-41. [PMID: 22812445 DOI: 10.3109/10428194.2012.713479] [Citation(s) in RCA: 10] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/13/2022]
Abstract
Improved therapeutic options for relapsing patients with acute myeloid leukemia (AML) are urgently needed. Poor outcomes following salvage therapy have been reported in those with short initial remission duration, adverse risk karyotype, prior allograft, older age, FLT3-internal tandem duplication (ITD) AML and prior high-dose cytarabine (HiDAC) induction therapy. We present a cohort of 58 patients (aged 18-70) treated with fludarabine, cytarabine, granulocyte-colony stimulating factor (G-CSF) and amsacrine (FLAG-amsacrine) as salvage chemotherapy for AML at first relapse. 83% had received prior HiDAC-based therapy. The overall complete remission (CR/CR with incomplete blood count recovery [CRi]) rate was 59%, with median event-free survival (EFS) and overall survival (OS) of 6.9 and 10.6 months, respectively. FLAG-amsacrine was an effective bridge to allogeneic transplant with 38% successfully transplanted with excellent outcomes (median OS not reached). FLAG-amsacrine was also effective in elderly patients (≥ 60 years), with 61% achieving second remission. The regimen was well tolerated, with 30- and 42-day treatment-related mortality of 3.4% and 13.8%, respectively. Outcomes remained poor in those with short initial remission duration (<6 months). We conclude that FLAG-amsacrine is a useful salvage option for AML at first relapse.
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Basu D, Kraft C, Campbell P, Murphy M, Yu T, Hraber P, Chomba E, Mulenga J, Kilembe W, Allen S, Derdeyn C, Hunter E. Intrasubtype C superinfected individuals mount delayed and low-titer autologous neutralizing antibody responses prior to superinfection. Retrovirology 2012. [PMCID: PMC3441906 DOI: 10.1186/1742-4690-9-s2-p159] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022] Open
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Shaw M, Piper I, Campbell P, McKeown C, Britton J, Oommen K, Stewart L, Whittle I, Gregson R, Clutton E. Investigation of the relationship between transcranial impedance and intracranial pressure. ACTA NEUROCHIRURGICA. SUPPLEMENT 2012; 114:61-5. [PMID: 22327665 DOI: 10.1007/978-3-7091-0956-4_11] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 02/16/2023]
Abstract
Studies on piglets have shown that cranial bioimpedance (Z) measurements correlate well with invasively measured intracranial pressure (ICP). We have tested the feasibility of collecting transcranial impedance from a clinical device for measuring whole-body water content (ImpediMed SFB7). In the clinical study, 50 normal healthy volunteers had transcranial impedance measured using nine different head montages (forehead to mastoid (left/right), temporal to mastoid (left/right), forehead to temporal (left/right), forehead to occipital (left/right) and temporal to temporal). Impedance was measured 20 times over a frequency range per montage and ANOVA used to test for effects of electrode position upon recorded value. For the experimental study, five sedated and ventilated Marino sheep were instrumented for intraventricular ICP and transcranial impedance measurement. Measures of ICP were recorded while ICP was increased from baseline to greater than 50 mmHg in five steps using an intraventricular infusion of mock CSF. There is a significant effect of electrode position and gender upon transcranial impedance (p < 0.001). The temporal-mastoid electrode position had significantly lower impedance values in keeping with its shorter path length. ICP correlated with craniospinal compliance measurements and Impedance vs Freq by ICP step shows a clear ICP dependence (p = 0.007) across the sheep.
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Campbell P, Friebe A, Foulstone P, Grigg A, Hempton J, Bajel A. Impact of palifermin on mucosal toxicity in autologous stem cell transplants using busulfan–melphalan conditioning chemotherapy for Hodgkin and non-Hodgkin lymphoma. Leuk Lymphoma 2012; 53:1415-6. [DOI: 10.3109/10428194.2011.653639] [Citation(s) in RCA: 8] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/13/2022]
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Campbell P. [Interview with the editor-in-chief of Nature--a decade for psychiatrie disorders. Interview by Shinsuke Koike, Atsushi Nishida, Syudo Yamasaki and Shuntaro Ando]. SEISHIN SHINKEIGAKU ZASSHI = PSYCHIATRIA ET NEUROLOGIA JAPONICA 2012; 114:508-516. [PMID: 22746042] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 06/01/2023]
Abstract
Nature is the most frequently cited interdisciplinary science journal globally; however, it has recently begun publishing impressive reviews and special topics in the fields of mental health and psychiatric disorders. An editorial entitled, "A decade for psychiatric disorders" was published on the first page of the first 2010 issue of Nature. This editorial was a significantly symbolic publication; not only did it have an impressive title, but also consisted of precise and appropriate content in accordance with the present conditions and future perspectives of psychiatric disorders. This was of further significance as it was published on the first page of the first 2010 issue. In this report, we review an interview with the author of the editorial and the editor-in-chief of Nature, Dr. Philip Campbell. He explained to us the reason for Nature increasingly publishing articles in the fields of mental health and psychiatric disorders, and the reason for this editorial being published in this impressive space. He opined that, although the pathophysiology of psychiatric disorders has been gradually revealed through scientific progress in most research fields, a big gap remains between cancer and psychiatric disorders with regard to health policy and research conditions. The entire editorial team of Nature believed that they could contribute in some way to bridge this gap. He was of the opinion that the media should be apprised with appropriate information on psychiatric disorders by mental health researchers in order to dispel the stigma associated with these disorders and create awareness of the importance of mental health among the public. He drew our attention to the recent brilliant progress in neuroscience research and the future perspectives of mental health research; this trend was notably observed in recent articles in Nature. The concluding sentence in "A decade for psychiatric disorders" is, "Yet the exposure of many psychiatrists to contemporary biology is shallow at best. That, too, will need to change over the next decade." Therefore, psychiatrists have to pay close attention not only to the problem of stigma, but also to the scientific progress in psychiatric disorders, and, thus, need to change their thoughts and attitudes.
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Campbell P. Understanding the receivers and the reception of science's uncertain messages. PHILOSOPHICAL TRANSACTIONS. SERIES A, MATHEMATICAL, PHYSICAL, AND ENGINEERING SCIENCES 2011; 369:4891-4912. [PMID: 22042903 DOI: 10.1098/rsta.2011.0068] [Citation(s) in RCA: 9] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/31/2023]
Abstract
Although much work has been done by scientists in developing communications to non-scientist audiences, much less attention has been given by them to the ways in which those messages are interpreted. Here, I look at the published work that examines the issue. I focus on three contexts in particular: debates over the triple vaccine for measles, mumps and rubella, the impacts of the Soufrière Hills volcano on the inhabitants of the island of Montserrat and the public communication of the results of climate change research. Several common themes emerge. The most important conclusions are that scientists communicating with the public need to develop their methods deliberatively, involving their target audiences; and that they need to avoid undue dependence on traditional media and public authorities for such communication, and to develop multiple channels to those audiences, including Internet-based and more traditional social networks. Their approach to communicating uncertainty should depend on the context but, except in some extreme emergencies, transparency is generally a virtue. Above all, they need to persist in such public engagements even when the going is rough and extends over long periods. They need support in doing so.
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Kumar D, Campbell P, Humar A. Donor-specific alloantibody upregulation after influenza vaccination in transplant recipients. Am J Transplant 2011; 11:2538; author's reply 2539-40. [PMID: 21906260 DOI: 10.1111/j.1600-6143.2011.03745.x] [Citation(s) in RCA: 10] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/25/2023]
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Voet T, Vanneste E, Zamani Esteki M, Van der Aa N, Melotte C, Jackmaert S, Konings P, Debrock S, Fryns JP, Moreau Y, D'Hooghe T, Legius E, Campbell P, Stratton M, Vermeesch JR, Smith GD. INVITED SESSION, SESSION 42: PARAMEDICAL INVITED SESSION - EMERGING TECHNOLOGIES IN HUMAN IVF LABORATORIES, Tuesday 5 July 2011 14:00 - 15:00. Hum Reprod 2011. [DOI: 10.1093/humrep/26.s1.42] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/13/2022] Open
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Viswanathan G, Williams J, Slinn S, Campbell P. Mitral valve involvement as a predominant feature of cardiac amyloidosis. BMJ Case Rep 2010; 2010:bcr.08.2008.0821. [PMID: 22767536 DOI: 10.1136/bcr.08.2008.0821] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/04/2022] Open
Abstract
Cardiac involvement in systemic amyloidosis carries poor prognosis with a median survival of 5 months.(1) The authors report an unusual presentation of cardiac amyloidosis in the form of predominant mitral regurgitation. The patient responded very well to medical therapy with subsequent improvement of mitral valve dysfunction. The authors would like to highlight this multisystem involvement and the presence of a complex overlap of systemic features.
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Badger SA, Barclay R, Campbell P, Mole DJ, Diamond T. Management of liver trauma. World J Surg 2010; 33:2522-37. [PMID: 19760312 DOI: 10.1007/s00268-009-0215-z] [Citation(s) in RCA: 67] [Impact Index Per Article: 4.8] [Reference Citation Analysis] [Abstract] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/25/2022]
Abstract
BACKGROUND Blunt and penetrating liver trauma is common and often presents major diagnostic and management problems. METHODS A literature review was undertaken to determine the current consensus on investigation and management strategies. RESULTS The liver is the most frequently injured organ following abdominal trauma. Immediate assessment with ultrasound has replaced diagnostic peritoneal lavage in the resuscitation room, but computerised tomography remains the gold standard investigation. Nonoperative management is preferred in stable patients but laparotomy is indicated in unstable patients. Damage control techniques such as perihepatic packing, hepatotomy plus direct suture, and resectional debridement are recommended. Major complex surgical procedures such as anatomical resection or atriocaval shunting are now thought to be redundant in the emergency setting. Packing is also recommended for the inexperienced surgeon to allow control and stabilisation prior to transfer to a tertiary centre. Interventional radiological techniques are becoming more widely used, particularly in patients who are being managed nonoperatively or have been stabilised by perihepatic packing. CONCLUSIONS Management of liver injuries has evolved significantly throughout the last two decades. In the absence of other abdominal injuries, operative management can usually be avoided. Patients with more complex injuries or subsequent complications should be transferred to a specialist centre to optimise final outcome.
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Abstract
BACKGROUND Blunt and penetrating liver trauma is common and often presents major diagnostic and management problems. METHODS A literature review was undertaken to determine the current consensus on investigation and management strategies. RESULTS The liver is the most frequently injured organ following abdominal trauma. Immediate assessment with ultrasound has replaced diagnostic peritoneal lavage in the resuscitation room, but computerised tomography remains the gold standard investigation. Nonoperative management is preferred in stable patients but laparotomy is indicated in unstable patients. Damage control techniques such as perihepatic packing, hepatotomy plus direct suture, and resectional debridement are recommended. Major complex surgical procedures such as anatomical resection or atriocaval shunting are now thought to be redundant in the emergency setting. Packing is also recommended for the inexperienced surgeon to allow control and stabilisation prior to transfer to a tertiary centre. Interventional radiological techniques are becoming more widely used, particularly in patients who are being managed nonoperatively or have been stabilised by perihepatic packing. CONCLUSIONS Management of liver injuries has evolved significantly throughout the last two decades. In the absence of other abdominal injuries, operative management can usually be avoided. Patients with more complex injuries or subsequent complications should be transferred to a specialist centre to optimise final outcome.
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Rowe S, Clancy J, Boyle M, Van Goor F, Ordonez C, Dong Q, Campbell P, Ashlock M, Accurso F. Parallel effects of VX-770 on transepithelial potential difference in vitro and in vivo. J Cyst Fibros 2010. [DOI: 10.1016/s1569-1993(10)60075-6] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/01/2022]
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