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Accuracy of Dental Implant Placement using Robotics. A Systematic Review of in vitro Studies. THE EUROPEAN JOURNAL OF PROSTHODONTICS AND RESTORATIVE DENTISTRY 2024. [PMID: 38691616 DOI: 10.1922/ejprd_2669ravipati14] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Subscribe] [Scholar Register] [Received: 01/24/2024] [Accepted: 04/10/2024] [Indexed: 05/03/2024]
Abstract
PURPOSE/AIM Robotic-assisted techniques have the potential to revolutionize dental implantology by offering enhanced precision, accuracy, and clinical outcomes compared to computer-assisted implant placement techniques. This study aimed to evaluate the accuracy of dental implant placement using robot-assisted implant surgery in vitro settings. METHODS An unrestricted search of indexed databases along with a manual search was performed up to March 2024. In vitro, studies comparing the positioning accuracy of robotic systems in dental implant placement of planned pre-operative coordinates and postoperative outcomes in phantom and simulated models were included. QUIN Tool was used to assess the quality of the included studies. RESULT A total of 13 in vitro studies were included. All studies except one used entry, exit, or angle deviation as parameters to assess the accuracy of implants placed on phantom models or simulated virtual implant placement. Overall, pooled entry deviations were 0.72 ± 0.68 mm, exit deviations were 0.86 ± 0.92 mm, and angular deviations were 1.47 ± 1.610 favoring robot-assisted implant surgery. CONCLUSION Based on the current evidence, robotic-placed implants have the potential to revolutionize dental implantology by offering enhanced precision, accuracy, and clinical outcomes compared to dynamic and static computer-assisted implant surgery techniques.
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Cancer's unique bioelectric properties: From cells to body-wide networks: Comment on: "The distinguishing electrical properties of cancer cells" by Elisabetta Di Gregorio, Simone Israel, Michael Staelens, Gabriella Tankel, Karthik Shankar, and Jack A. Tuszynski (this issue). Phys Life Rev 2023; 47:113-115. [PMID: 37837910 DOI: 10.1016/j.plrev.2023.09.013] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/11/2023] [Accepted: 09/13/2023] [Indexed: 10/16/2023]
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Managing an adult CF population in the COVID-19 pandemic-1 year on. QJM 2022; 115:521-524. [PMID: 34432060 PMCID: PMC8499742 DOI: 10.1093/qjmed/hcab228] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 08/16/2021] [Revised: 08/19/2021] [Indexed: 11/21/2022] Open
Abstract
BACKGROUND The advent of the COVID-19 pandemic in 2020 required an alteration in the routine care of people with CF (pwCF), deemed to be extremely vulnerable. AIM We wished to report the alterations in clinical practice, including the introduction of remote video-assisted clinics, made to manage the adult pwCF attending our large centre. METHODS We studied clinical records over a period of 2 years (March 2019 to February 2021) by comparing 19th March to 20th February (Y1) with 20th March to 21st February (Y2). RESULTS We have shown out of hospital Multi Disciplinary Team (MDT) support increased and a greater proportion of IV therapy was administered at home. The VAC model of care increased clinical activity while reducing clinic non-attendance rates, suggesting more individuals engage with their carers. CONCLUSIONS This new model of care has allowed greater engagement with pwCF.
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Did it hurt? COVID-19 vaccination experience in people with multiple sclerosis. Mult Scler Relat Disord 2022; 65:104022. [PMID: 35816953 PMCID: PMC9250705 DOI: 10.1016/j.msard.2022.104022] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/13/2022] [Revised: 06/29/2022] [Accepted: 07/01/2022] [Indexed: 11/19/2022]
Abstract
Background Current guidelines recommend vaccination against SARS-CoV2 for people with multiple sclerosis (pwMS). The long-term review of the safety and effectiveness of COVID-19 vaccines in pwMS is limited. Methods Service re-evaluation. PwMS using the MS service at Barts Health National Health Service Trust were sent questionnaires via email to report symptoms following first and second COVID-19 vaccinations (n = 570). A retrospective review of electronic health records was conducted for clinical and safety data post-vaccination(s); cut-off was end of September 2021. Separate logistic regressions were carried out for symptoms experienced at each vaccination. Two sets of regressions were fitted with covariates: (i) Disease-modifying therapy type and (ii) patient characteristics for symptoms experienced. Results 193/570 pwMS responded. 184 pwMS had both vaccinations. 144 received the AZD1222 and 49 the BNT162b2 vaccine. 87% and 75% of pwMS experienced any symptoms at first and second vaccinations, respectively. The majority of symptoms resolved within a short timeframe. No severe adverse effects were reported. Two pwMS subsequently died; one due to COVID-19 and one due to aspiration pneumonia. Males were at a reduced risk of reporting symptoms at first vaccination. There was evidence that pwMS in certain treatment groups were at reduced risk of reporting symptoms at second vaccination only. Conclusions Findings are consistent with our preliminary data. Symptoms post-vaccination were similar to the non-MS population and were mostly temporary. It is important to inform the MS community of vaccine safety data.
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Multicenter validation of the diagnostic accuracy of multiparametric magnetic resonance imaging to detect residual prostate cancer in the follow-up of focal therapy with irreversible electroporation. Eur Urol 2022. [DOI: 10.1016/s0302-2838(22)00410-9] [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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Experience with the COVID-19 AstraZeneca vaccination in people with multiple sclerosis. Mult Scler Relat Disord 2021; 52:103028. [PMID: 34049216 PMCID: PMC8129799 DOI: 10.1016/j.msard.2021.103028] [Citation(s) in RCA: 16] [Impact Index Per Article: 5.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/27/2021] [Revised: 05/04/2021] [Accepted: 05/10/2021] [Indexed: 02/09/2023]
Abstract
Background Some people with multiple sclerosis (pwMS) are at increased risk of severe Coronavirus disease 19 (COVID-19) and should be rapidly vaccinated. However, vaccine supplies are limited, and there are concerns about side-effects, particularly with the ChAdOx1nCoV-19 (AstraZeneca) vaccine. Objectives To report our first experience of pwMS receiving the AstraZeneca vaccine. Methods Service evaluation. pwMS using the MS service at Barts Health NHS Trust were sent questionnaires to report symptoms following vaccination. Results Thirty-three responses were returned, 29/33 pwMS received a first dose of AstraZeneca vaccine, the remaining four received a first dose of BioNTech/Pfizer vaccine. All but two patients (94%) reported any symptoms including a sore arm (70%), flu-like symptoms (64%), fever (21%), fatigue (27%), and headache (21%). In more than 2/3 patients, symptoms lasted up to 48 hours, and with the exception of two pwMS reporting symptom duration of 10 and 12 days, respectively, symptoms in the remainder resolved within seven days. No severe adverse effects occurred. Conclusions pwMS report transient symptoms following AstraZeneca vaccination, characteristics of which were similar to those reported in the non-MS population. Symptoms may be more pronounced in pwMS due to the temperature-dependent delay in impulse propagation (Uhthoff's phenomenon) due to demyelination.
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An outbreak of Paederus dermatitis in a hostel in central Kerala: a cross-sectional study. Clin Exp Dermatol 2021; 46:953-956. [PMID: 33639012 DOI: 10.1111/ced.14626] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/21/2021] [Accepted: 02/22/2021] [Indexed: 11/26/2022]
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Homozygous dominant missense mutation in Keratin 6b leading to severe pachyonychia congenita. Clin Exp Dermatol 2020; 46:410-412. [PMID: 33301203 DOI: 10.1111/ced.14494] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/21/2020] [Revised: 08/29/2020] [Accepted: 09/26/2020] [Indexed: 11/29/2022]
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Severe skin reactions associated with cladribine in people with multiple sclerosis. Mult Scler Relat Disord 2020; 43:102140. [PMID: 32454296 DOI: 10.1016/j.msard.2020.102140] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/22/2019] [Revised: 04/16/2020] [Accepted: 04/18/2020] [Indexed: 12/16/2022]
Abstract
OBJECTIVE To report three cases of severe skin reactions in patients treated with cladribine for multiple sclerosis. METHODS Case study. RESULTS Patients developed severe rash 3-192 days after receiving cladribine. All were effectively treated with steroids and antihistamines. Additional doses of cladribine were administered after pretreatment with steroids and anti-histamines. One patient developed mild recurrence following re-exposure, which resolved within three days, whilst another patient tolerated re-exposure without further adverse reaction. CONCLUSION Severe skin reactions, well described in patients receiving cladribine for treatment of haematological conditions, may occur in patients treated with this compound for multiple sclerosis. Neurologists need to be aware of this rare, but significant adverse reaction. Re-exposure may be safe with standard pre-treatment against allergic reactions.
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Early and Late Pulmonary AMR Show Distinct Profiles; Clinical and Epigenetic Analyses. J Heart Lung Transplant 2020. [DOI: 10.1016/j.healun.2020.01.1300] [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] Open
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SAT-191 WHOLE GENOME ANALYSIS OF ABORIGINAL AUSTRALIANS REVEALS VARIANTS ASSOCIATED WITH KIDNEY DISEASE. Kidney Int Rep 2019. [DOI: 10.1016/j.ekir.2019.05.225] [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] Open
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Abstract P1-13-08: A prospective non-randomized clinical trial of adjuvant carboplatin chemotherapy in triple negative breast cancer. Cancer Res 2019. [DOI: 10.1158/1538-7445.sabcs18-p1-13-08] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022]
Abstract
Abstract
Background: The addition of carboplatin in the neoadjuvant setting has demonstrated improved outcomes in patients with triple negative breast cancer (TNBC). Carboplatin in the adjuvant setting has not been demonstrated to be an accepted regimen to date. This trial addresses this issue.
Methods: The primary objectives of this study were to assess the toxicity of an adjuvant carboplatin-containing regimen for early stage TNBC patients, and to correlate outcomes with molecular markers including Spy-1. Secondary objectives included determination of progression free (PFS) and overall survival (OS), and comparing these to our institutional historical controls. Patients received the backbone of a dose dense anthracycline, taxane, cyclophosphamide (DD ACT), with the addition of carboplatin.
Results: Ninety patients with stage I to III patients with triple negative breast cancer were accrued to this trial between Jan 2011 and June 2017. We discovered that DD ACT with carboplatin with an AUC of 5 given on the second and last paclitaxel was well tolerated. Chemotherapy delays were minimized when the parameters for administration of the carboplatin was to allow chemotherapy to proceed if the platelet count was >/= 70,000 x10^9/L and dose adjustment of paclitaxel was allowed based on neuropathy. There were no grade 4 adverse events. 4% of patients had grade 3 peripheral neuropathy (PN), 28% had grade 2 PN and 45% had grade 1 PN. Results of molecular profiles will be reported. Univariate analysis are reported, and were found to be very promising. Using log-rank statistic, a trend to improvement in overall survival was found when compared to historical controls (p=0.089). Median follow-up is 24 months. Longer follow-up is necessary to determine PFS and overall survival benefit.
Conclusion: If considering an adjuvant regimen for triple negative breast cancer patients DDAC/TC with the carboplatin administered with an AUC of 5 on the second and fourth taxol of DDACT is a well-tolerated regimen.
Univariate Analysis Comparing Carboplatin vs Historical Controls that did not receive CarboplatinVariableHistorical (no carbo)Carbo containing chemop overall n = 179n = 82 Age56.3 (13.1)49.8 (11.0)< 0.001Stage0.188Stage I47 (26.3%)15 (18.3%) Stage II88 (49.2%)50 (61.0%) Stage III44 (24.6%)17 (20.7%) Grade0.011Grade 18 (4.5%)0 (0.0%) Grade 233 (18.4%)7 (8.8%) Grade 3138 (77.1%)73 (91.2%) Remission Status0.009In Remission126 (70.4%)70 (86.4%) Relapsed53 (29.6%)11 (13.6%) Survival< 0.001Alive121 (67.6%)73 (90.1%) Deceased58 (32.4%)8 (9.9%)
Citation Format: Hamm C, Kulkarni S, Gupta R, Mathews J, Amin K, Hussein A, Porter L. A prospective non-randomized clinical trial of adjuvant carboplatin chemotherapy in triple negative breast cancer [abstract]. In: Proceedings of the 2018 San Antonio Breast Cancer Symposium; 2018 Dec 4-8; San Antonio, TX. Philadelphia (PA): AACR; Cancer Res 2019;79(4 Suppl):Abstract nr P1-13-08.
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#8 Introducing innovative invasive procedures and devices into clinical practice: an in-depth analysis of NHS Trusts’ New Invasive Procedure governance (oral presentation). Int J Surg 2018. [DOI: 10.1016/j.ijsu.2018.10.009] [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]
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Bacterial endotoxins and microorganisms in the oral cavities of patients on cancer therapy. Microb Pathog 2018; 123:190-195. [PMID: 30016679 DOI: 10.1016/j.micpath.2018.07.014] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/18/2018] [Revised: 05/28/2018] [Accepted: 07/13/2018] [Indexed: 10/28/2022]
Abstract
OBJECTIVES This study investigated the presence of Streptococci, Staphylococci, aerobic gram negative bacteria (AGNB), Candida and bacterial endotoxins in the oral cavities of patients receiving chemo- and/or radiotherapy for cancer. METHODS Samples of oral cavity rinse were collected from 100 patients on cancer treatment and 70 healthy individuals. Demographic and clinical data were recorded. Samples were cultured onto various agar plates for qualitative and quantitative analysis and tested for the presence of endotoxin. Results were analysed using the Mann-Whitney and chi-square tests. RESULTS In cancer patients, S. aureus counts were high and 66.7% of patients on chemo- and radiotherapy carried these bacteria (p=<0.05). The Candida carrier rate was significantly (p < 0.01) high in cancer patients (54%). No significant difference was found in the carrier rate of Streptococci and AGNB between the healthy and cancer group as well as between the cancer patients with chemo and radio- and chemotherapy alone. No significant difference was found in the level of endotoxin between the cancer patients and healthy individuals, and cancer patients with and without AGNB. CONCLUSIONS No differences in the prevalence of bacteria and bacterial endotoxins were found between the cancer patients and healthy individuals. Oral cavity endotoxins did not correlate with the carriage of AGNB. However, due to the high prevalence in cancer patients, the role of Candida species and S. aureus in the pathology may not be excluded.
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Elective single embryo transfer (ESET): does the number of morhologic good cleavage embryos on day 2 affect outcome? Fertil Steril 2017. [DOI: 10.1016/j.fertnstert.2017.07.484] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/18/2022]
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TREATING MULTIPLE SCLEROSIS WITH CLADRIBINE. Journal of Neurology, Neurosurgery and Psychiatry 2016. [DOI: 10.1136/jnnp-2016-315106.121] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/03/2022]
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Prevalence of Deleterious Oral Habits and Oral Mucosal Lesions among Fishermen Population of Mahe, South India. J Contemp Dent Pract 2016; 17:745-749. [PMID: 27733718 DOI: 10.5005/jp-journals-10024-1923] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/23/2022]
Abstract
INTRODUCTION Fishing is an occupation associated with uneven diet, strain, drunkenness, tobacco use, and deleterious habits. The physical state of laborers on a large scale will also be influenced by conditions at their work site. Oral mucosal lesions can occur as a result of infections, local shock or infuriation, systemic diseases, and uncontrolled usage of tobacco, betel quid, and alcohol. The aim of the present study is to assess the prevalence of deleterious oral habits and oral mucosal lesions among fishermen population of Mahe, South India. MATERIALS AND METHODS The study population consists of 362 fishermen aged between 15 and 54. The questionnaire consisted of questions on personal data, and information related to the subjects' oral habits were collected by the interview. The World Health Organization (WHO) Oral Health Assessment Form was designed for the assessment of oral mucosal lesions. RESULTS Among the 362 fishermen, 266 (73.48%) were males and 96 (26.52%) were females. The overall prevalence of smoking, alcohol consumption, and gutka chewing was found to be 24.3, 48.85, and 32.4% respectively. Smokeless tobacco (32.4%) was the most prevalent habit followed by smoking tobacco (24.3%). The prevalence of oral mucosal lesions was 14.9%. There is a statistically significant association between age groups and habits considered. CONCLUSION Findings of the present study suggest that oral health condition of the fisherfolk community was relatively poor, with high habit prevalence and oral mucosal lesions. This epi-demiological study has provided baseline data to plan further research in this area. CLINICAL SIGNIFICANCE Low socioeconomic status, strenuous working hours, inadequate diet and nutrition intake, stress, and use of tobacco and alcohol act as contributing factors for ill health and oral diseases. It is a challenging population to the clinician to identify and treat them.
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Is preimplantation genetic screening with frozen single embryo transfer superior to fresh in-vitro fertilization with elective single embryo transfer in a good prognosis population? Fertil Steril 2016. [DOI: 10.1016/j.fertnstert.2016.07.183] [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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A Liquid Ion Chamber for Clinical Stereotactic Output Measurements. Int J Radiat Oncol Biol Phys 2014. [DOI: 10.1016/j.ijrobp.2014.05.2143] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/24/2022]
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Elective single versus double blastocyst transfers in fresh anonymous oocyte recipient cycles. Fertil Steril 2014. [DOI: 10.1016/j.fertnstert.2014.07.1141] [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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Which ivf protocol is the best to prepare for elective single embryo transfer (ESET)? Fertil Steril 2013. [DOI: 10.1016/j.fertnstert.2013.07.1712] [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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Abstract
A 58-year-old white woman presented with sudden onset of diplopia, headache and vomiting with a history of tiredness and lethargy over the past four to six months. She had smooth, pale, hairless skin and on examination she was found to have left-sided third and sixth nerve palsy. Laboratory tests confirmed pan-anterior hypopituitarism. Computerized tomography scan of head and magnetic resonance imaging appearances were consistent with those of a sphenoid sinus mucocoele. Following adequate replacement with hydrocortisone and thyroxine she underwent sphenoid mucocoele drainage and endoscopic left sphenoethmoidectomy. Her symptoms were relieved over the next few days and she had a near-total recovery of ophthalmoplegia over the following three months. Pituitary function tests showed partial resolution of hypopituitarism with recovery of hypothalamic-pituitary-adrenal axis and hydrocortisone therapy was withdrawn, but she continued to require thyroxine.
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Brian Alec Latham. Assoc Med J 2012. [DOI: 10.1136/bmj.e3395] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/03/2022]
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A single-centre chart review exploring the adjusted association between breast cancer phenotype and prognosis. ACTA ACUST UNITED AC 2011; 18:191-6. [PMID: 21874118 DOI: 10.3747/co.v18i4.815] [Citation(s) in RCA: 15] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/31/2022]
Abstract
PURPOSE AND METHODS Using a retrospective chart review, we investigated the differences in survival and prognostic factors between patients with triple-negative breast cancer (tnbc) and those with non-tnbc. The review included 1018 breast cancer patients who were diagnosed between 2000 and 2005 in Essex, Kent, and Lambton counties in Ontario, Canada. RESULTS Our findings indicate that, although the unadjusted results suggested that patients with tnbc were more likely than patients with non-tnbc to die [hazard ratio (hr): 2.29; 95% confidence interval (ci): 1.33 to 2.93], an adjusted survival analysis revealed no significant difference in overall survival between the groups (hr: 1.22; 95% ci: 0.63 to 2.39). The significant predictors of survival in the adjusted analysis were age, stage of cancer, and size of cancer. CONCLUSIONS Our findings support those of earlier reports, which suggest that presenting tumour size is the most important prognostic factor in tnbc. Investigations into unique screening methods to identify these tumours at an earlier stage and to prevent advanced-stage cancer in this patient subpopulation are necessary.
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Überlebensdaten von Patienten mit fortgeschrittenem NSCLC aus dem saarländischen Tumorregister. Pneumologie 2011. [DOI: 10.1055/s-0031-1272174] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/18/2022]
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Effect of gabapentin on anxiety among 306 breast cancer patients: A URCC CCOP study. J Clin Oncol 2010. [DOI: 10.1200/jco.2010.28.15_suppl.9148] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/20/2022] Open
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Abstract
BACKGROUND Apelin, the endogenous ligand for the novel G protein-coupled receptor APJ, has major cardiovascular effects in preclinical models. The study objectives were to establish the effects of acute apelin administration on peripheral, cardiac, and systemic hemodynamic variables in healthy volunteers and patients with heart failure. METHODS AND RESULTS Eighteen patients with New York Heart Association class II to III chronic heart failure, 6 patients undergoing diagnostic coronary angiography, and 26 healthy volunteers participated in a series of randomized, double-blind, placebo-controlled studies. Measurements of forearm blood flow, coronary blood flow, left ventricular pressure, and cardiac output were made by venous occlusion plethysmography, Doppler flow wire and quantitative coronary angiography, pressure wire, and thoracic bioimpedance, respectively. Intrabrachial infusions of (Pyr(1))apelin-13, acetylcholine, and sodium nitroprusside caused forearm vasodilatation in patients and control subjects (all P<0.0001). Vasodilatation to acetylcholine (P=0.01) but not apelin (P=0.3) or sodium nitroprusside (P=0.9) was attenuated in patients with heart failure. Intracoronary bolus of apelin-36 increased coronary blood flow and the maximum rate of rise in left ventricular pressure and reduced peak and end-diastolic left ventricular pressures (all P<0.05). Systemic infusions of (Pyr(1))apelin-13 (30 to 300 nmol/min) increased cardiac index and lowered mean arterial pressure and peripheral vascular resistance in patients and healthy control subjects (all P<0.01) but increased heart rate only in control subjects (P<0.01). CONCLUSIONS Acute apelin administration in humans causes peripheral and coronary vasodilatation and increases cardiac output. APJ agonism represents a novel potential therapeutic target for patients with heart failure.
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A National Institute of Occupational Health and Safety: some comments. COMMUNITY HEALTH STUDIES 2010; 8:8-11. [PMID: 6529902 DOI: 10.1111/j.1753-6405.1984.tb00516.x] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 01/20/2023]
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Manipulation and traction for lumbago and sciatica: Physiotherapeutic techniques used in two controlled trials. ACTA ACUST UNITED AC 2009. [DOI: 10.3109/09593988809160150] [Citation(s) in RCA: 27] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/13/2022]
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Amelanotic melanoma presenting with cervical lymphadenopathy. CASE REPORTS 2009; 2009:bcr06.2008.0101. [DOI: 10.1136/bcr.06.2008.0101] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/04/2022] Open
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Management of post-infectious olfactory dysfunction: a nationwide survey of UK ENT consultants. B-ENT 2009; 5:163-167. [PMID: 19902853] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 05/28/2023] Open
Abstract
OBJECTIVE To determine the current practice of UK ENT consultants in investigating cases of suspected post-infectious olfactory dysfunction. METHOD We prepared questionnaires and posted these to every consultant ENT surgeon registered with the British Association of Otolaryngologists Head and Neck Surgeons (BAO-HNS). Questions included preferred radiological investigation, smelling test and follow up. RESULTS A total of 510 questionnaires were sent, with a response rate of 51%. Most UK consultant ENT surgeons investigated suspected post-infectious olfactory dysfunction by performing either a CT (44%) or an MRI (29%) scan, but only 37% performed formal smell tests. Most consultant ENT surgeons (76%) decide not to follow up post-infectious olfactory dysfunction. CONCLUSION This study gives an indication that suspected post-infectious olfactory dysfunction is not investigated thoroughly in the United Kingdom, with only a minority of clinicians performing formal smell tests and a lack of consensus as to radiological investigation. Standardisation of investigations is key to adequately managing suspected post-infectious olfactory dysfunction.
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Impacts of Hurricanes Katrina and Rita on the microbial landscape of the New Orleans area. Proc Natl Acad Sci U S A 2007; 104:9029-34. [PMID: 17488814 PMCID: PMC1885622 DOI: 10.1073/pnas.0610552104] [Citation(s) in RCA: 78] [Impact Index Per Article: 4.6] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/29/2006] [Indexed: 11/18/2022] Open
Abstract
Floodwaters in New Orleans from Hurricanes Katrina and Rita were observed to contain high levels of fecal indicator bacteria and microbial pathogens, generating concern about long-term impacts of these floodwaters on the sediment and water quality of the New Orleans area and Lake Pontchartrain. We show here that fecal indicator microbe concentrations in offshore waters from Lake Pontchartrain returned to prehurricane concentrations within 2 months of the flooding induced by these hurricanes. Vibrio and Legionella species within the lake were more abundant in samples collected shortly after the floodwaters had receded compared with samples taken within the subsequent 3 months; no evidence of a long-term hurricane-induced algal bloom was observed. Giardia and Cryptosporidium were detected in canal waters. Elevated levels of fecal indicator bacteria observed in sediment could not be solely attributed to impacts from floodwaters, as both flooded and nonflooded areas exhibited elevated levels of fecal indicator bacteria. Evidence from measurements of Bifidobacterium and bacterial diversity analysis suggest that the fecal indicator bacteria observed in the sediment were from human fecal sources. Epidemiologic studies are highly recommended to evaluate the human health effects of the sediments deposited by the floodwaters.
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Abstract
The larynx functions as a protective valve of the upper airway. An end-tracheostomy represents a risk factor for foreign body aspiration. We describe a case of tracheostomy stoma button aspiration, leading to recurrent chest infection and irreversible lung damage, necessitating a pneumonectomy. This is the first reported case of this kind. This case also emphasizes the importance of patient education and of stoma button design.
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Abstract
PURPOSE To study the incidence of acute postoperative presumed infectious endophthalmitis (PIE) in a UK district general hospital over a 10-year period. Consideration of such departmental healthcare-associated infection frequency rates as part of reflective and comparative quality practice in the light of local concerns. METHODS Hospital-based retrospective case series: 12 831 cataract extraction operations from 01/01/1995 to 31/12/2004 were studied. All cases of PIE within 6 weeks of cataract surgery were ascertained and investigated in a standardised format. PIE incidence rate per 1000 cataract surgical procedures was contrasted with the existing literature. RESULTS Seven isolated PIE cases occurred following phacoemulsification. None followed extra-capsular extractions. The PIE rate was 0.55 [95% CI; 0.22 to 1.12] cases per 1000 cataract extractions, or one PIE case within 6 weeks of surgery in every 1833 [95% CI; 893 to 4545] cataract operations undertaken. Five cases were culture positive. Details of PIE cases are presented. CONCLUSION PIE incidence rates in our department are slightly lower than reported case series in similar settings. Whether this is due to a variety of preventive measures deployed locally and/or methods of case ascertainment in published studies is problematic and is discussed. Departmental benchmarking data is important in relation to rare, but critical, patient safety incidents. Collection and monitoring of endophthalmitis outcomes is of merit and may inform patient choice. Surgical site infection surveillance systems of relevance are discussed. Implications for making healthcare safer, including reflective practice are, discussed in relation to cataract care.
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Regulation of cellular infiltration into tissue engineering scaffolds composed of submicron diameter fibrils produced by electrospinning. Acta Biomater 2005; 1:377-85. [PMID: 16701819 DOI: 10.1016/j.actbio.2005.04.006] [Citation(s) in RCA: 152] [Impact Index Per Article: 8.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/26/2005] [Revised: 04/04/2005] [Accepted: 04/06/2005] [Indexed: 10/25/2022]
Abstract
We characterize the infiltration of interstitial cells into tissue engineering scaffolds prepared with electrospun collagen, electrospun gelatin, electrospun poly(glycolic) acid (PGA), electrospun poly(lactic) acid (PLA), and an electrospun PGA/PLA co-polymer. Electrospinning conditions were optimized to produce non-woven tissue engineering scaffolds composed of individual fibrils less than 1000 nm in diameter. Each of these materials was then electrospun into a cylindrical construct with a 2 mm inside diameter with a wall thickness of 200-250 microm. Electrospun scaffolds of collagen were rapidly, and densely, infiltrated by interstitial and endothelial cells when implanted into the interstitial space of the rat vastus lateralis muscle. Functional blood vessels were evident within 7 days. In contrast, implants composed of electrospun gelatin or the bio-resorbable synthetic polymers were not infiltrated to any great extent and induced fibrosis. Our data suggests that topographical features, unique to the electrospun collagen fibril, promote cell migration and capillary formation.
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Dose reduced first-line capecitabine monotherapy in older and less fit patients with advanced colorectal cancer (ACRC). J Clin Oncol 2005. [DOI: 10.1200/jco.2005.23.16_suppl.3577] [Citation(s) in RCA: 8] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/20/2022] Open
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Closed versus partially ventilated endotracheal suction in extremely preterm neonates: physiologic consequences. Intensive Crit Care Nurs 2004; 21:234-42. [PMID: 16039961 DOI: 10.1016/j.iccn.2004.08.006] [Citation(s) in RCA: 10] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/06/2004] [Revised: 07/30/2004] [Accepted: 08/24/2004] [Indexed: 10/26/2022]
Abstract
This randomized cross over study aimed to compare the severity and incidences of desaturation and bradycardia between the partially ventilated endotracheal suction method (PVETS) and closed tracheal suction system (CTSS) in extremely preterm neonates. Fifteen intubated and ventilated extremely low birth weight preterm infants (mean birth weight 689g) randomly underwent both suction techniques within a 12-h period to obtain a paired reading group. The process was repeated 24-48h apart until three pairs of reading groups were collected. Changes in oxygen saturation measured with pulse oximetry and heart rate changes measured with electrocardiogram were recorded using Hewlett-Packard m240A monitor trending software. The mean of each parameter's variation from baseline was obtained using SPSS descriptive statistics and analyzed using SPSS repeated measures ANOVA. Fisher Exact Test was used to analyze the incidence of desaturation and bradycardia. The closed tracheal suction system reported a significantly smaller degree of oxygen saturation fall (P<0.005) and significantly fewer incidences of desaturation. There was also a significantly smaller degree of heart rate reduction although episodes of bradycardia were not significantly different between the two methods. Oxygen saturation and heart rate were significantly more stable during the use of CTSS compared to PVETS in the extremely low birth weight preterm population.
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[Results of the provision of unstable proximal humeral fractures in geriatric patients with a new angle stabilizing antegrade nail system]. Unfallchirurg 2004; 107:372-80. [PMID: 15221072 DOI: 10.1007/s00113-004-0733-y] [Citation(s) in RCA: 24] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Abstract
Treating unstable proximal humeral fractures in elderly patients with osteoporosis and limited compliance is still demanding for trauma surgeons. The failure rate of operative treatment is high. We studied the use of a new antegrade intramedullary humeral nail with special locking bolts for head fixation. The first 41 procedures in 39 patients with a mean age of 81 years (61-102) were analyzed. Half of the patients were mentally deranged. There were 16 two-part, 22 three-part, and 3 four-part fractures of the humeral head treated. After closed or partial open reduction, antegrade nailing was performed via a delta split and limited incision of the rotator cuff. Greater and lesser tuberosities were fixed with screws through threaded holes of the proximal nail leading to high stability. Early functional active treatment was performed avoiding maximal rotation. Follow-up was 13 months (7-21 months). Clinical examination was performed in 32 cases. Four patients were questioned by phone. Three patients died (mean age: 92 years) before follow-up. The mean Constant score was 57+/-12. The mean age-related and side-related Constant scores were 86+/-17% and 90+/-7%. All fractures healed. Activities of daily life were possible in every case. There was only one loss of reduction after a fall out of bed. After hemiarthroplasty the patient was excluded from the study. One shaft fissure occurred during distal interlocking and healed uneventfully. Because of stable fixation, rehabilitation without immobilization was possible and led to good functional results. In comparison to common implants, the new antegrade intramedullary nail allowed a stable osteosynthesis in unstable proximal humeral fractures in old and very old patients with limited compliance without the usual implant-related complications.
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Prognostication using serum levels of components of the folate metabolic pathway in patients (PTS) treated with capecitabine for advanced colorectal cancer (ACRC). J Clin Oncol 2004. [DOI: 10.1200/jco.2004.22.90140.3764] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/20/2022] Open
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Can throat swab after physiotherapy replace sputum for identification of microbial pathogens in children with cystic fibrosis? Indian J Pediatr 2004; 71:21-3. [PMID: 14979380 DOI: 10.1007/bf02725650] [Citation(s) in RCA: 20] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/25/2022]
Abstract
OBJECTIVE To compare cultures throat swab after physiotherapy with results of sputum culture in identification of lower airway pathogens in children with cystic fibrosis. METHODS 387 samples of sputum cough swabs, throat swab and throat swab after physiotherapy were collected from 48 patients of cystic fibrosis and cultured for aerobic bacteria. The results of cultures of cough swabs, throat swab and throat swab after physiotherapy were compared with results of sputum culture. RESULTS There was good concordance between culture results of sputum and other methods. Over all concordance was 70%, 81% and 92% with cough swab, throat swab and throat swab after physiotherapy. Sensitivity for isolation of Pseudomonas aeruginosa by throat swab, cough swab and throat swab after physiotherapy was 40%, 42% and 82% respectively. Specificity for isolation of Pseudomonas by throat swab, cough swab and throat swab after physiotherapy was 99%, 100% and 99% respectively. Sensitivity for isolation of Staphylococcus aureus by throat swab, cough swab and throat swab after physiotherapy was 57%, 50% and 100% respectively. Specificity for isolation of Staphylococcus by throat swab, cough swab and throat swab after physiotherapy was 99% for all these methods. CONCLUSION It is concluded that throat swab after physiotherapy in a child with CF can be used reliably for identification of lower airway pathogens.
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Abstract
Autoimmune sensorineural hearing loss has been increasingly recognized as a clinical entity since its description by McCabe in 1979. Recognition and proper management of this condition is important, as it is one of the very few forms of sensorineural hearing loss that can be successfully treated by medical therapy. Recent studies have provided experimental evidence to suggest that immune processes can cause sensorineural hearing loss in animals and humans. However, antigenic targets within the inner ear are diverse and as a result conclusive evidence for specific autoimmune damage to the inner ear has been elusive. This review focuses on the recent progress in understanding of the aetio-pathogenesis of autoimmune hearing loss along with a description of the various clinical conditions in which they occur. Recent advances in the laboratory diagnosis and management of this interesting condition are also described.
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Comparison of compliance between topical aural medications. CLINICAL OTOLARYNGOLOGY AND ALLIED SCIENCES 2003; 28:331-4. [PMID: 12871247 DOI: 10.1046/j.1365-2273.2003.00715.x] [Citation(s) in RCA: 13] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/20/2022]
Abstract
Patients receiving Gentisone HC, Sofradex and Otomize for chronic suppurative otitis media and otitis externa were investigated for compliance of medication. Drops were accurately weighed before and after use so that both the amount used and the expected amount patients should have used could be calculated. The amount used differed statistically from the amount expected for Sofradex (P = 0.0008) but not for Gentisone HC (P = 0.1049) or Otomize (P = 0.7553) when analysed by a Mann-Whitney U-test. There was a trend to overdose with both Sofradex & Gentisone HC. The reason for the differences, we believe, is due to a combination of both differing delivery systems and drop viscosities. Manufacturers need to improve delivery systems so that patients can deliver a reproducible volume of medication each time with ease.
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Abstract
Inner ear involvement with sensorineural hearing loss (SNHL) has been reported in many autoimmune disorders including ulcerative colitis. The pathogenetic mechanism of hearing loss in ulcerative colitis is thought to be immune mediated. Diagnostic tests are being developed to identify inner ear autoantibodies, that may be the cause of such hearing loss. The only test that is currently available for clinical use is the Otoblot test. This, however, tests only for antibodies against bovine heat shock protein 70 which is only one of the many cross-reacting proteins against the inner ear in suspected immune-mediated hearing loss. The clinical response to steroid therapy is thus the mainstay in the diagnosis of immune-mediated hearing loss. This paper presents a series of patients with clinically suspected autoimmune hearing loss. Diagnostic assays for this condition are discussed along with a review of the recent advances in the pathogenesis and laboratory diagnosis of immune-mediated sensorineural hearing loss.
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Tissue augmentation using Bioplastique as a treatment of leakage around a Provox 2 voice prosthesis. J Laryngol Otol 2003; 117:80-2. [PMID: 12590865 DOI: 10.1258/002221503321046739] [Citation(s) in RCA: 30] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/18/2022]
Abstract
Rehabilitation of voice and speech after laryngectomy with valve prosthesis has become a well-established practice in recent years. The formation of tracheo-oesophageal fistula (TOF) and the subsequent management of the patient with a voice prosthesis can be associated with a number of problems and complications. We report a new technique of the use of injectable Bioplastique in the treatment of persistent leakage around Provox 2 voice prosthesis. Our experience in two cases has shown that it is a relatively simple and effective procedure in stopping the leak around the valve immediately and is without any short-term complications.
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Additions and Corrections - Adsorption and Surface Tension at Liquid-Liquid Interface. J Am Chem Soc 2002. [DOI: 10.1021/ja01677a604] [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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Abstract
Guillotine tonsillectomy was the widely practised technique of tonsillectomy in the late 19th century as it was considered a quick and reliable method of removing tonsils. It fell into disrepute in the early 20th century. This paper reviews the history of the origin of the tonsillotome and traces the various modifications over the last few centuries. The current practice of guillotine tonsillectomy is examined by means of a postal questionnaire survey of all UK consultants.
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The association between risk-taking behavior and the use of safety devices in adolescents. ANNUAL PROCEEDINGS 2002; 45:23-36. [PMID: 12214352] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 02/26/2023]
Abstract
The purpose of this research study was to measure the association between risk taking behavior in adolescents and their use of safety devices. The study focused on three safety devices: seat belts, motorcycle helmets, and bicycle helmets. This is a secondary data analysis using data from the Youth Risk Behavior Survey conducted by the Centers for Disease Control and Prevention. The results of this study indicate that risky behavior in adolescents is associated with their non-use of safety devices. In general, risky behavior was more associated with the non-use of seatbelts than the use of other safety devices. The results of this study suggest that a comprehensive approach to reducing risky behaviors in adolescent should be considered when planning injury prevention programs.
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