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Green AO, Chellappah AD, Fan K, Stenhouse PD. Novel way to determine the size of tracheostomy tubes using computed tomographic Thorax or Pulmonary Angiogram scans during the COVID-19 pandemic. Br J Oral Maxillofac Surg 2020; 58:e335-e337. [PMID: 33008625 PMCID: PMC7435322 DOI: 10.1016/j.bjoms.2020.08.070] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/09/2020] [Accepted: 08/12/2020] [Indexed: 11/17/2022]
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Radia R, Suffern R, Pepper T, Fan K. A blacksmith's tale: use of a rare earth magnet to facilitate safe removal of a metallic fragment from the face. Br J Oral Maxillofac Surg 2020; 58:e317-e319. [PMID: 32807596 DOI: 10.1016/j.bjoms.2020.07.029] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/19/2020] [Accepted: 07/22/2020] [Indexed: 11/19/2022]
Abstract
A 48-year-old blacksmith presented to A&E after sustaining facial injuries while operating a metal punch press. Radiographs revealed the presence of a metallic foreign body within the cheek, but this was clinically impalpable. By using a neodymium rare earth magnet extraorally, it was possible to identify the position of the fragment several centimetres lateral to the entry wound. Triangulation of the fragment's position allowed retrieval under local anaesthetic through the original penetration wound, without need for cross sectional imaging or extensive exploration under general anaesthetic. This case highlights an application for magnets in detection and removal of impalpable metallic foreign bodies embedded in superficial soft tissues.
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Politi I, McParland E, Smith R, Crummey S, Fan K. The impact of COVID-19 on cervicofacial infection of dental aetiology. Br J Oral Maxillofac Surg 2020; 58:1029-1033. [PMID: 32811723 PMCID: PMC7382926 DOI: 10.1016/j.bjoms.2020.07.017] [Citation(s) in RCA: 13] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/08/2020] [Accepted: 07/17/2020] [Indexed: 01/12/2023]
Abstract
Cervicofacial infections of dental aetiology can be life-threatening and with the closure of dental practices following the onset of the COVID-19, it would be anticipated that their prevalence presenting to maxillofacial surgery would increase and services may be overwhelmed, with patients presenting later with a potential subsequent increase in morbidity. A retrospective analysis of patients with cervicofacial infection of dental aetiology referred to maxillofacial surgery during the initial six weeks of COVID-19 lockdown in 2020 was carried out and compared with the equivalent period in the two preceding years. Unexpectedly, during COVID-19 lockdown, there was a reduction in patients seen with cervicofacial infection of dental aetiology. This may have resulted from patient adherence to government guidelines “Stay at home”, successful triaging of patients in primary care and emergency treatment provided by urgent dental care centres. Proportionally more patients who presented to hospital had received prior antibiotic therapy and required in-patient admission. All patients admitted received incision and drainage, with an increase extraoral drainage and an associated reduction in length of stay. During COVID-19 lockdown, maxillofacial managed a reduced number of patients with cervicofacial infection, likely resulting from primary and secondary dental care working together. The rate of incision and drainage of patients not admitted increased under local anaesthesia with increase of extraoral drainage and reduced length of stay for those admitted.
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Boyes H, Fan K. Maxillofacial injuries associated with domestic violence: experience at a major trauma centre. Br J Oral Maxillofac Surg 2019; 58:185-189. [PMID: 31848019 DOI: 10.1016/j.bjoms.2019.11.009] [Citation(s) in RCA: 18] [Impact Index Per Article: 3.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/03/2019] [Accepted: 11/14/2019] [Indexed: 11/26/2022]
Abstract
Domestic violence continues to be a global public health issue, and facial injuries in these cases are common with a reported incidence of up to 94%. Our aims were to identify patients with facial injuries caused by domestic violence, and to find out how confident members of the oral and maxillofacial surgical (OMFS) team were at assessing them. In this 18-month retrospective study of patients seen at King's College Hospital we identified 18 and obtained details on sex, age, nature of maxillofacial injury, mechanism of injury, time to presentation, and alleged assailant, from their electronic records. Most of the patients were female and the mean (range) age was 28 (16-44) years. In 10 cases, the alleged assailant was the patient's current partner. A total of 15 patients presented on the same day as their injury, and only 3 the following day. Punching was the most common mechanism (n=13) followed by use of a weapon. We also circulated a questionnaire among the OMFS team to gain an insight into their attitudes regarding screening for domestic violence. Most OMFS clinicians were only "somewhat confident" at recognising and asking about domestic violence, and few were "very" or "extremely confident". Targeted training for frontline staff in OMFS teams is likely to increase their confidence to identify and manage these patients, and to refer them appropriately.
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Pender A, Titmuss E, Pleasance E, Fan K, Pearson H, Bonakdar M, Taylor G, Mungall K, Moore R, Lavoie JM, Yip S, Lim H, Renouf D, Jones S, Marra M, Laskin J. Predictive markers of checkpoint inhibitor activity in adult metastatic solid tumours. Ann Oncol 2019. [DOI: 10.1093/annonc/mdz253.081] [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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Madadian MA, Benning A, Fan K, Pandis N, Seehra J. Quality assessment of clinical practice guidelines used in oral and maxillofacial surgery. Int J Oral Maxillofac Surg 2019; 49:403-410. [PMID: 31466829 DOI: 10.1016/j.ijom.2019.08.003] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/25/2019] [Revised: 07/23/2019] [Accepted: 08/06/2019] [Indexed: 11/26/2022]
Abstract
An assessment of the quality of oral and maxillofacial surgery clinical practice guidelines is lacking. The aim of this investigation was to assess the quality of guidelines using the RIGHT (Reporting Items for practice Guidelines in HealThcare) checklist. The primary outcome was to assess the score (quality) of guidelines based on the RIGHT checklist and to identify predictors (region, type, single or multi-centre, and speciality/non-speciality) influencing the quality score. In this review, following a search of electronic databases and national society websites, a total of 25 guidelines were independently assessed by two assessors against the 22-item RIGHT checklist. Inter-assessor reliability was assessed. Deficiencies in the reporting of items relating to limitations, funding, declaration and management of interests, healthcare questions, and quality assurance were evident. The median overall score for the guidelines was 28 (range 14-66). Guidelines produced by multiple centres (β=57.15, 95% confidence interval -26.62 to 87.68, P= 0.001, multivariate analysis) and non-speciality societies (β=20, 95% confidence interval -0.03 to 40.03, P=0.05, univariate analysis) tended to have higher quality scores. Overall, the quality of clinical practice guidelines used in oral and maxillofacial surgery was deemed suboptimal. If clinical practice guidelines are to be used in making treatment decisions for patients, clinicians should be aware of their possible limitations.
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Fan K, Wong M, Cheng K. Denovo Malignancy in Chinese Patients Post-Heart Transplant in Current Era-A “Not So Bad Prognosis”? J Heart Lung Transplant 2019. [DOI: 10.1016/j.healun.2019.01.1019] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/27/2022] Open
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Fan K, Balekian A, Hsia D, Chang C. DR JEKYLL AND MR HYDE: WHAT IS COMPETENCY IN EBUS-TBNA? Chest 2019. [DOI: 10.1016/j.chest.2019.02.153] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/15/2022] Open
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Shu M, Fan K, Eddib A. The Impact of Tunneling During Robotic-Assisted Abdominal Laparoscopic Sacrocolpoperineopexy. J Minim Invasive Gynecol 2018. [DOI: 10.1016/j.jmig.2018.09.540] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/27/2022]
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Shu M, Fan K, Eddib A. Sacrocolpoperineopexy: The Buffalo Experience. J Minim Invasive Gynecol 2018. [DOI: 10.1016/j.jmig.2018.09.233] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/28/2022]
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Wang AZ, Fan K, Zhou QH, Wang C, Niu Q, Chan Y. A lateral approach to ultrasound-guided sacral plexus block in the supine position. Anaesthesia 2018; 73:1043-1044. [PMID: 30117581 DOI: 10.1111/anae.14368] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/27/2022]
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Mayor P, Fan K, Etter J, Morrell K, Eng K, Szender J, Akers S, Frederick P, Lele S, Odunsi K, Zsiros E. Performing combined breast and gynecologic surgery does not increase the rate of postoperative morbidity. Gynecol Oncol 2018. [DOI: 10.1016/j.ygyno.2018.04.238] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
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Mayor P, Gay L, Fan K, Frederick P, Eskander R, Sun J, Ross J, Kurzrock R, Akers S, Lele S, Odunsi K, Zsiros E, Elvin J. A comprehensive genomic analysis of neuroendocrine carcinoma of gynecologic and breast tumors. Gynecol Oncol 2018. [DOI: 10.1016/j.ygyno.2018.04.075] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/27/2022]
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Lawrence M, Fan K. Swallowed partial denture. Br Dent J 2018. [DOI: 10.1038/sj.bdj.2018.180] [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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Wang B, Liu X, Liu H, Guo J, Zhang T, Zhou N, Ma Y, Yu H, Chen L, Ren Z, Fan K, Tian X. Differential expressions of MDM2 and TAP73 in cancer and cancer-adjacent tissues in patients with non-small-cell lung carcinoma. Pulmonology 2018; 24:S2173-5115(17)30153-7. [PMID: 29452959 DOI: 10.1016/j.rppnen.2017.08.008] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/09/2017] [Revised: 08/04/2017] [Accepted: 08/08/2017] [Indexed: 01/15/2023] Open
Abstract
AIM To investigate the differences in mRNA and protein expressions of MDM2 (mouse double minute 2 homolog) and P73 in cancer and cancer-adjacent tissues in patients with non-small-cell lung carcinoma (NSCLC). MATERIALS AND METHODS We compared the protein expressions of MDM2 and P73 in lung cancer and cancer-adjacent tissues in NSCLC patients by IHC (immunohistochemistry) and WB (Western blot). We divided the NSCLC patients into two subgroups, adenocarcinoma and squamous carcinoma. The mRNA expressions of two main isoforms of P73, TAP73 and DNP73, as well as the ratio of DNP73/TAP73 were analyzed by qPCR (quantitative real-time PCR) in the two tissues in all NSCLC patients and in patients with adenocarcinoma or squamous carcinoma, respectively. RESULTS WB results did not show significant differences in MDM2 and P73 protein expressions in lung cancer and cancer-adjacent tissues. However, IHC results indicated that MDM2 expression significantly increased in cancer tissues in female patients, but not male patients. In addition, TAP73 mRNA expression significantly increased in cancer tissues in all NSCLC patients (p=0.002) and in patients with adenocarcinoma (p=0.01); while there was no significant difference in DNP73 mRNA expression. Hence the fold-change of DNP73/TAP73 ratio significantly decreased (p=0.0003) in cancer tissues in all NSCLC patients and in patients with adenocarcinoma. CONCLUSIONS TAP73 mRNA expression significantly increased in cancer tissues than cancer-adjacent tissues in all NSCLC patients and in patients with adenocarcinoma. Meanwhile, the fold-change of DNP73/TAP73 ratio was similar to TAP73. MDM2 protein expression significantly increased in cancer tissues in female NSCLC patients.
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Bhat Kumble V, Bernhart E, Fan K, Wadsack C, Rechberger G, Becker J, Sattler W. 608 Interference with sphingosine 1-phosphate synthesis affects Merkel cell carcinoma proliferation in vitro. J Invest Dermatol 2017. [DOI: 10.1016/j.jid.2017.07.805] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022]
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Yeung E, Abou-Foul A, Matcham F, Poate T, Fan K. Integration of mental health screening in the management of patients with temporomandibular disorders. Br J Oral Maxillofac Surg 2017; 55:594-599. [DOI: 10.1016/j.bjoms.2017.03.014] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/13/2016] [Accepted: 03/22/2017] [Indexed: 10/19/2022]
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Haq J, Olding J, Chegini S, Huppa C, Bentley R, Fan K. Development of a financially viable model for the management of mandibular fractures as day cases in a level 1 major trauma centre. Br J Oral Maxillofac Surg 2017; 55:618-622. [PMID: 28465038 DOI: 10.1016/j.bjoms.2017.04.006] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/05/2016] [Accepted: 04/11/2017] [Indexed: 11/27/2022]
Abstract
There is a subgroup of patients with mandibular fractures who could safely and effectively be managed in an outpatient day-care unit. Suitability depends on medical, social, and operative factors, and identification of the correct criteria will govern management after that in the emergency department. Reduced use of beds would lead to less money being spent on emergency treatment, and increased capacity for elective surgery. The aims of this study were to identify a group of patients with mandibular fractures whose duration of operation and period of recovery would be suitable for treatment in the day-care unit, and to evaluate the potential financial benefits. Inpatients were assessed for day surgery using medical, social, and surgical criteria. Each patient's suitability for discharge was assessed two, three, and five hours postoperatively. A financial feasibility study was made retrospectively on a larger sample of patients with mandibular fractures. The discharge criteria from the day-care unit were fully met by 26/40 patients at five hours postoperatively, mean (range) duration of operation was 145 (40-285) minutes, and mean (SD) Mandibular Injury Severity Score was 13 (3), range 7-20. When all the criteria were combined (n=100), 12 of the patients were suitable for day care. With 24 bed-day savings/100 patients, potential earnings would increase to around £80 000/year at this hospital. In conclusion, we have identified a group of patients who were suitable for management of mandibular fractures in the day-care unit. Considerable cost savings are anticipated.
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Liu GY, Bian S, Li F, Li XF, Fan K, An HZ, Jia XX. [Effect of allogenic mesenchymal stem cells transplantation on the expression of interleukin-22 and matrix metalloproteinase-3 in rats with collagen induced arthritis]. ZHONGHUA YI XUE ZA ZHI 2017; 97:698-702. [PMID: 28297833 DOI: 10.3760/cma.j.issn.0376-2491.2017.09.014] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 11/05/2022]
Abstract
Objective: To study the effect of allogeneic bone marrow mesenchymal stem cells transplantation on the expression of interleukin -22 (IL-22), matrix metalloproteinase -3 (MMP-3) in serum and synovial of rats with collagen induced arthritis. Methods: Type Ⅱ collagen were injected twice to establish the collagen induced arthritis (CIA) rat model. Forty-eight rats were randomly divided into 3 groups: control group, CIA control group, CIA experiment group. Rat bone marrow mesenchymal stem cells were cultured by bone marrow method combined with adherent culture method. After identify, the remaining cells were injected in the CIA experimental group. Enzyme linked immunosorbent assay (ELISA) and immunohistochemistry were used to detect the expression of IL-22 and MMP-3 in serum and anklebone joint's synovium of rats, respectively. Synovial cells were isolated and cultured, and were treated with different concentrations of IL-22. MMP-3 protein and mRNA were detected before and after stimulation by Western blot and real-time quantitative polymerase chain reaction (RT-qPCR). Results: After MSC transplantation, arthritis index, X-ray, HE staining of CIA rat showed that joint damage significantly reduced compared with the control group. The ELISA results showed that the expression of MMP-3 and IL-22 in CIA control group was higher than those in the control group (125.79±9.12 vs 102.00±7.63 ng/ml, P<0.05), (292.35±31.23 vs 257.27±13.99 ng/ml, P<0.05) and CIA experiment group (125.79±9.12 vs 97.94±9.50 ng/ml, P<0.05), (292.35±31.23 vs 262.16±22.02 ng/ml, P<0.05) with statistically significant difference (P<0.05). There was no significant difference between the control group and CIA experimental group. Immunohistochemical showed similar results with ELISA. Western blotting and RT-qPCR showed that MMP-3 protein and mRNA expression was increased after IL-22 stimulation in a dose-dependent manner. Conclusion: IL-22 and MMP-3 play an important role in the pathogenesis of rheumatoid arthritis. IL-22 could regulate the expression of MMP-3, and bone marrow mesenchymal stem cells could reduce the expression of MMP-3 in the treatment of rheumatoid arthritis by reducing the expression of IL-22.
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Sinha D, Fan K, Brown J. Crackling mumps. Int J Oral Maxillofac Surg 2017. [DOI: 10.1016/j.ijom.2017.02.1258] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
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Hills A, Chadha A, Fan K. Occupational risk of HIV exposure during oral and maxillofacial procedures. Int J Oral Maxillofac Surg 2017. [DOI: 10.1016/j.ijom.2017.02.1237] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/26/2022]
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Dua R, Abd el Rahman H, Fan K. Use of topical local anaesthetics for paediatric lacerations. Int J Oral Maxillofac Surg 2017. [DOI: 10.1016/j.ijom.2017.02.279] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/19/2022]
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Bajalan M, Ahmad Z, Roberts S, Fan K. Mandibular fractures: a one-year analysis of data from a major trauma centre. Int J Oral Maxillofac Surg 2017. [DOI: 10.1016/j.ijom.2017.02.268] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/17/2022]
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49
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Dua R, Abd el Rahman H, Fan K. Emergency paediatric admissions to a maxillofacial unit in London. Int J Oral Maxillofac Surg 2017. [DOI: 10.1016/j.ijom.2017.02.872] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/19/2022]
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50
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Bhat Kumble V, Bernhart E, Plastira I, Kogelnik N, Göritzer M, Fan K, Wadsack C, Rechberger G, Becker J, Sattler W. 484 Merkel cell carcinoma proliferation is regulated by sphingosine-1-phosphate-mediated pathways in vitro. J Invest Dermatol 2016. [DOI: 10.1016/j.jid.2016.06.506] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/21/2022]
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