Displaying publications 21 - 40 of 68 in total

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  1. A scanning electron microscopic study of in vivo tissue engineered respiratory epithelium in sheep
    Heikal MY, Aminuddin BS, Jeevanan J, Chen HC, Sharifah S, Ruszymah BH
    Med J Malaysia, 2008 Jul;63 Suppl A:34.
    PMID: 19024970
    Normal tracheal mucociliary clearance is the key to maintaining the health and defense of respiratory airway. Therefore the present of cilia and mucous blanket are important for tracheal epithelium to function effectively. In the present study, we prepared a tissue engineered respiratory epithelium construct (TEREC) made of autologous respiratory epithelium cells, fibroblast and fibrin from sheep owns blood which replaced a created tracheal mucosal defect. Scanning electron microscopy (SEM) showed encouraging result where immature cilia were present on the surface of TEREC. This result indicates that engineered respiratory epithelium was able to function as normal tissue.
    Matched MeSH terms: Respiratory System/cytology*
  2. Antimicrobial susceptibility pattern of clinical isolates of Pseudomonas aeruginosa in a tertiary care hospital
    Raja NS, Singh NN
    J Microbiol Immunol Infect, 2007 Feb;40(1):45-9.
    PMID: 17332906
    BACKGROUND AND PURPOSE: Pseudomonas aeruginosa is an important cause of morbidity and mortality in hospitalized, critically ill patients and patients with underlying medical conditions such as cystic fibrosis, neutropenia, and iatrogenic immunosuppression. The prevalence of multiresistant P. aeruginosa isolates has been increasing. The aim of this study was to determine the antimicrobial susceptibility patterns in P. aeruginosa strains isolated at a university teaching hospital in Kuala Lumpur, Malaysia.
    METHODS: The Laboratory Information System of the microbiology department was retrospectively reviewed to determine the susceptibility patterns of P. aeruginosa isolates to anti-pseudomonal antibiotics, from January to June 2005. Disk diffusion methods were employed and results were interpreted according to National Committee for Clinical Laboratory Standards guidelines.
    RESULTS: 505 clinical isolates of P. aeruginosa were tested. Major sources of these isolates included respiratory tract, wound, urine and blood. The rates of antimicrobial resistance of isolates were 6.73% to amikacin, 12.9% to gentamicin, 10.1% to netilmicin, 10.9% to ceftazidime, 11.3% to ciprofloxacin, 9.9% to imipenem, 10.8% to piperacillin, 9.4% to piperacillin-tazobactam and 0% to polymyxin B. Of the 505 isolates, 29 (5.74%) were found to be multidrug-resistant; these were most commonly isolated from respiratory tract specimens of patients in surgical units, followed by respiratory tract specimens in patients in medical units.
    CONCLUSIONS: The data in this study showed low rates of antibiotic resistance among P. aeruginosa isolates. Combinations of aminoglycosides plus beta-lactams or quinolones should be the appropriate choice for empirical therapy in P. aeruginosa infections. Active antibiotic susceptibility testing and surveillance should be continued in order to curtail the problem of antibiotic resistance.
    Matched MeSH terms: Respiratory System/microbiology
  3. Challenges and future direction of molecular research in air pollution-related lung cancers
    Shahadin MS, Ab Mutalib NS, Latif MT, Greene CM, Hassan T
    Lung Cancer, 2018 04;118:69-75.
    PMID: 29572006 DOI: 10.1016/j.lungcan.2018.01.016
    Hazardous air pollutants or chemical release into the environment by a variety of natural and/or anthropogenic activities may give adverse effects to human health. Air pollutants such as sulphur dioxide (SO2), nitrogen oxides (NOx), carbon monoxide (CO), heavy metals and particulate matter (PM) affect number of different human organs, especially the respiratory system. The International Agency for Research on Cancer (IARC) reported that ambient air pollution is a cause of lung cancer. Recently, the agency has classified outdoor air pollution as well as PM air pollution as Group 1 carcinogens. In addition, several epidemiological studies have shown a positive association between air pollutants to lung cancer risks and mortality. However, there are only a few studies examining the molecular effects of air pollution exposure specifically in lung cancer due to multiple challenges to mimic air pollution exposure in basic experimentation. Another major issue is the lack of adequate adjustments for exposure misclassification as air pollution may differ temporo-spatially and socioeconomically. Thus, the purpose of this paper is to review the current molecular understanding of air pollution-related lung cancer and potential future direction in this challenging yet important research field.
    Matched MeSH terms: Respiratory System/pathology*
  4. Mucuna pruriens Linn. seed extract pretreatment protects against cardiorespiratory and neuromuscular depressant effects of Naja sputatrix (Javan spitting cobra) venom in rats
    Fung SY, Tan NH, Sim SM, Marinello E, Guerranti R, Aguiyi JC
    Indian J Exp Biol, 2011 Apr;49(4):254-9.
    PMID: 21614888
    Mucuna pruriens has been used by native Nigerians as a prophylactic for snakebite. The protective effects of M. pruriens seed extract (MPE) were investigated against the pharmacological actions of N. sputatrix (Javan spitting cobra) venom in rats. The results showed that MPE-pretreatment protected against cardiorespiratory and, to a lesser extent, neuromuscular depressant effects of N. sputatrix venom. These may be explained at least in part by the neutralisation of the cobra venom toxins by anti-MPE antibodies elicited by the MPE pretreatment.
    Matched MeSH terms: Respiratory System/drug effects
  5. Development and validation of a Chinese translated questionnaire: A single simultaneous tool for assessing gastrointestinal and upper respiratory tract related illnesses in pre-school children
    Lau ASY, Yusoff MSB, Lee YY, Choi SB, Xiao JZ, Liong MT
    J Taibah Univ Med Sci, 2018 Apr;13(2):135-141.
    PMID: 31435316 DOI: 10.1016/j.jtumed.2017.11.003
    Objectives: Children are prone to contagious illnesses that come from peers in nurseries, kindergartens, and day care centres. The administration of probiotics has been reported to decrease the episodes of such illnesses, leading to decreased absences and consumption of antibiotics. With less emphasis on, and preferences for, blood collection from young subjects, quantifiable data are merely obtained from surveys and questionnaires. Malaysia has a population which is 25% ethnic Chinese. We aimed to develop a single tool that enables simultaneous assessments of both gastrointestinal and respiratory tract-related illnesses among young Chinese children.

    Methods: The English-language validated questionnaires using data about demographics and monthly health records were translated into the Chinese language. Both forward and backward translated versions were validated.

    Results: The developed demographic and monthly health questionnaires showed an overall item-level content validity index (I-CVI) of 0.99 and 0.97, respectively; while the translated Chinese versions showed I-CVI of 0.97 and 0.98, respectively. Item-level of response process validity index of 1.00 for this questionnaire was obtained from 30 respondents inferring that the items were clear and comprehensible.

    Conclusions: This study showed acceptable levels validity in the Chinese translated version, illustrating a valid and reliable tool to be used for simultaneous assessment of gastrointestinal and respiratory tract-related illnesses in young children that is applicable for Malaysia's Chinese population and other Chinese-speaking nations.

    Matched MeSH terms: Respiratory System
  6. Fulltext A review on development of blood substitute
    Mislia Othman, Muhammad Azrul Zabidi
    Jurnal Sains Kesihatan Malaysia, 2020;18(2):59-71.
    MyJurnal
    This review paper aims to present an overview of the development of blood substitute particularly red blood cell substitute or artificial oxygen carrier. Knowledge on human blood inspired from the understanding of human blood circulation system. Ibn Nafis was first to describe that blood flow through respiratory system before entering the heart. This finding denied the claim that tiny pores present within the septum of the heart. Then, William Harvey further described human cardiovascular system in detail and contributed to better understanding on the roles of blood in body. Several blood transfusions were attempted using blood collected from human, animal and other blood substitutes such as milk before the practice was banned for almost 150 years in Europe. Major discoveries on blood group and antibody reaction have made blood transfusion safer. However, several issues and challenges have re-triggered the exploration to develop red cell substitutes. Two approaches have been taken to develop the red blood cell substitute which are classified into biological and chemical based oxygen carriers. The earliest efforts have been on haemoglobin based oxygen carrier (HBOC) and perfluorocarbon (PFC) while the recent developement are on polymer-based oxygen carrier and in-vitro stem cell derived red blood cell.
    Matched MeSH terms: Respiratory System
  7. Fulltext Environmental tobacco smoke and its association with asthma like symptoms among Malaysian children under 6 years old
    Azmawati M.N., Aisah M., Norfazilah A.
    Malaysian Journal of Public Health Medicine, 2015;15(2):49-59.
    MyJurnal
    Children less than 6 years old are the most vulnerable group to get harm from Environmental Tobacco Smoke (ETS) exposure, especially their respiratory system. To determine the prevalence of ETS exposure and its association with asthma like symptoms among children less than 6 years old. A cross sectional study was conducted in between January till April 2014 among parents with children less than 6 years old in Selangor, Malaysia. A total of 142 parents were selected by simple random sampling and data were collected using guided questionnaire on ETS exposure and asthma like symptoms (cough and wheeze) among their children. A total of 52.8% of children found to be exposed to ETS, and 43.7% were exposed from their father. ETS exposure significantly associated with cough without cold (adjusted OR=5.46, 95% CI 2.37, 12.61), dry cough at night (adjusted OR=3.74, 95%CI 1.41, 9.95) and cough upon physical activity (adjusted OR=3.08, 95% 1.07, 8.89) among these children. Children less than 6 years old are vulnerable to respiratory problem due to ETS exposure especially on cough symptoms. More strategies should be developing to reduce the exposure to ETS.
    Matched MeSH terms: Respiratory System
  8. Causes of chronic oxygen dependency in new borns in a tertiary level neonatal unit
    Jacqueline, H.O.
    Malaysian Journal of Child Health, 1992;4(1):20-22.
    MyJurnal
    A retrospective survey was carried out in a neonatal unit to identify babies who required oxygen for more than the first 28 days of life and to determine the cause of their oxygen dependency. A total of 9173 neonates were admitted over a three year period. Approximately 750 were ventilated. Fifteen required oxygen for more than the first 28 days. Ten (67%) of these were due to bronchopulmonary dysplasia. 2 had upper airway complications of mechanical ventilation, one had recurrent apnoea, one had recurrent pneumonia, and one who did not require ventilation had chronic oxygen dependency of unknown cause. Bronchopulmonary dysplasia was the commonest cause of chronic oxygen dependency. The incidence was 1.5% of ventilated babies.
    Matched MeSH terms: Respiratory System
  9. Fulltext The molecular genetics and pathogenesis of cystic fibrosis lung disease
    Abdullah, S.
    Buletin Persatuan Genetik Malaysia, 2006;12(1):10-17.
    MyJurnal
    Cystic Fibrosis (CF) is a life-threatening inherited disease that particularly affects the airways and digestive systems, which is caused by mutations in the Cystic Fibrosis Transmembrane Conductance Regulator (CFTR) gene. CF is considered as the most common autosomal recessive disorder in the Caucasian population. However, the prevalence of this disease amongst Asians is considered to be low, hence the lack of awareness of this disease amongst geneticists and physicians in Malaysia. This review will describe the features of CF, its molecular genetics, the current classification of CFTR mutation classes, the genotype-phenotype correlations, the effects of modifier genes, and the discourse of the disease pathogenesis, in the hope of raising public awareness of the condition and ultimately to improve the clinical and social care of those affected by CF in Malaysia.
    Matched MeSH terms: Respiratory System
  10. Exposure to PM2.5 and respiratory health among traffic policemen in Kuala Lumpur
    Ahmad Syazrin Muhammad, Juliana Jalaludin, NurAqilah M. Yusof
    Journal of Occupational Safety and Health, 2012;9(3):55-64.
    MyJurnal
    Exposure to traffic air pollutant have shown a significant health effect on respiratory systems and decreased in lung function among traffic policemen. The main objective of this study was to determine the relationships between personal exposure levels to PM2.5 and respiratory health among traffic policemen working at Traffic Police Station in Kuala Lumpur and general duty policemen attached to Police Headquarters, Bukit Aman. A cross sectional comparative study was conducted among 50 traffic policemen from Traffic Police Station Kuala Lumpur and 50 general duty policemen from Police Headquarters Bukit Aman as comparative group. A purposive sampling method was used to select the respondents based on inclusive criteria such as age between 25 to 60 years, no history of respiratory disease and working not less than 3 years as traffic policemen. Questionnaire based on ATS (1978) was used to collect information on socio-demographic and respiratory symptoms. Spirometer (Spirolab II Model) was used to perform lung function tests. Personal Air Sampling Pump (Aircheck 52) was used to measure personal exposure level to PM2.5. The mean exposure level of PM2.5 among the traffic policemen was 22.33 ± 8.54μg/m³ compared to only 5.60 ± 4.29μg/m³ for comparative group. There was a significant difference in all lung function parameters between the exposed group and comparative group.From the finding, it shows that there was significant relationship between working duration (years) and lung function parameters among both exposed and comparative group. The result from this research shows that traffic policemen were determined as having lower lung function parameters due to their nature of work and the environment. Also, there was a significant association between exposure to fine particle (PM2.5) and lung function among the exposed group. Finding from this study indicated that exposure to elevated concentration level to traffic related air pollutant was the risk factors in the development of respiratory diseases as shown by the higher prevalence of respiratory symptoms and the reduction in lung function among traffic policemen.
    Matched MeSH terms: Respiratory System
  11. Fulltext Cytomegalovirus infection associated with Atypical Bronchopulmonary Dysplasia in a Preterm Neonate: a case report
    Aisha Fadhilah Abang Abdullah, Zurina Zainudin, Dg. Zuraini Sahadan
    Malaysian Journal of Medicine and Health Sciences, 2018;14(2):97-99.
    MyJurnal
    Cytomegalovirus (CMV) is frequently isolated from neonates. Symptomatic infection is only apparent in 10% of affected babies with particular predilection for the reticuloendothelial and central nervous system. Isolated respiratory system involvement is rarely encountered. We report a case of a premature 32 weeks infant who required prolonged oxygen dependency and treated for bronchopulmonary dysplasia. The diagnosis of CMV pneumonitis was only discovered after detection of CMV DNA in the bronchoalveolar lavage. A high level of clinical awareness is crucial as a definite diagnosis and treatment will significantly alter the morbidity and the cost of therapy.
    Matched MeSH terms: Respiratory System
  12. Fulltext Investigation of the natural supplement IQP-AS-119 for the prevention of upper respiratory tract infections in marathon race participants: A randomized, double-blind, placebo-controlled pilot study
    Bongartz U, Hochmann U, Pohl U, Bothe G, Costa P, Chong PW, et al.
    Exp Ther Med, 2021 Feb;21(2):144.
    PMID: 33456511 DOI: 10.3892/etm.2020.9575
    Intense and prolonged exercise leads to immune suppression, causing upper respiratory tract infections (URTI). A proprietary standardized dietary supplement, IQP-AS-119 has been previously developed to aid immune responses under such conditions. The current randomized, double-blind, placebo-controlled pilot study aimed to investigate the effects of IQP-AS-119 on marathon runners. A total of 80 participants were randomized equally into groups receiving either placebo (P group) or IQP-AS-119 (V group) treatment, starting 3 weeks before and for 14 days after the marathon. Benefit assessment was performed using different questionnaires. Post-marathon, the V and P groups reported 1±2.38 and 2.11±3.25 days with upper respiratory tract symptoms (URTS), respectively (P=0.038). During the 14 days post-marathon, 20.0% of the participants in the V group compared with 44.4% in the P group reported URTS (P=0.042). The V group reported significantly milder URTS compared with the P group on Days 9, 12, 13 and 14 post-marathon (P<0.05). The total Perceived Stress Questionnaire-20 score on days 2-14 were significantly lower for the V group compared with the P group (P=0.035). In the Short Form 12 Health Survey, the V group exhibited significant improvement in mental composite score on days -5 to 14 compared with the P group (P=0.038). In the overall treatment effect assessment, there were no statistically significant differences between the groups. The IQP-AS-119 was rated 'very good' or 'good' by investigators and participants, respectively, for 71 and 65% of the participants. The tolerability of IQP-AS-119 was rated as 'very good' or 'good' by both investigators and 95% of participants. No clinically relevant differences were observed between groups regarding adverse events or other safety parameters. Therefore, IQP-AS-119 was demonstrated to reduce the incidence and severity of URTI in marathon runners. Given its good tolerability profile, IQP-AS-119 may be a good nutritional supplement for the reduction of URTS in susceptible individuals.
    Matched MeSH terms: Respiratory System
  13. Fulltext Upper respiratory tract symptoms, renal involvement and vasculitis: a case report and review of wegener granulomatosis
    Said MS
    J Clin Med Res, 2010 Aug 18;2(4):189-93.
    PMID: 21629538 DOI: 10.4021/jocmr412w
    Wegeners Granulomatosis is a condition associated with systemic vasculitis which can present with upper respiratory tract symptoms initially. On September 2001, a 15-year-old girl presented with symptoms of nasal block for 3 weeks. She later developed joint pains and worsening renal status requiring dialysis. A renal biopsy was performed which showed pauci-immune cresentric glomerulonephritis. Her cANCA levels were positive. She was treated with oral cyclophosphamide and steroids and later responded.

    KEYWORDS: Wegener granulomatosis; Young girl; Cyclophophamide; cANCA.

    Matched MeSH terms: Respiratory System
  14. Cellular and humoral responses in the respiratory tract of goats following intranasal stimulation using formalin-killed Pasteurella haemolytica A2
    Zamri-Saad M, Effendy AW, Israf DA, Azmi ML
    Vet Microbiol, 1999 Mar 12;65(3):233-40.
    PMID: 10189198
    A study to determine the immunoglobulin and cellular responses in the respiratory tract of goats following intranasal exposures to formalin-killed Pasteurella haemolytica A2 was carried out. Forty-two goats were divided into two groups. Goats in Group 1 were subjected to double intranasal exposures to formalin-killed P. haemolytica A2 while goats in Group 2 were the unexposed control. Prior to and at weekly intervals post-exposure, three goats from each group were killed, serum samples were collected while the lungs were flushed with 50 ml normal saline before the right apical lobes were fixed in 10% buffered formalin. Both serum and lung lavage fluid were subjected to enzyme-linked immunosorbent assay (ELISA) to determine the levels of IgA, IgM and IgG while the formalin-fixed tissues were examined histologically. IgA levels in the lung lavage fluid increased rapidly to reach a significantly (p < 0.05) high level as early as Week 2 post-exposure and remained significantly (p < 0.05) high throughout the study period. The IgM levels increased at an intermediate rate to reach a significantly (p < 0.05) high level at Week 3 post-exposure before they decreased to an insignificant (p > 0.05) level the following week and the weeks thereafter. IgG levels increased gradually and only reached a significantly (p < 0.01) high level at Weeks 5 and 6 of the study. The size of the bronchus-associated lymphoid tissue (BALT) and the number of lymphocytes in BALT increased significantly from Week 2 and remained high thereafter. However, differences in the numbers of BALT were insignificant (p > 0.05) initially before becoming significantly (p < 0.05) high at Weeks 5 and 6. The BALT responses were parallel to those of imunoglobulins in the lung lavage fluid.
    Matched MeSH terms: Respiratory System/immunology*; Respiratory System/microbiology
  15. The presence of Nipah virus in respiratory secretions and urine of patients during an outbreak of Nipah virus encephalitis in Malaysia
    Chua KB, Lam SK, Goh KJ, Hooi PS, Ksiazek TG, Kamarulzaman A, et al.
    J Infect, 2001 Jan;42(1):40-3.
    PMID: 11243752
    To study the excretion of Nipah virus in the upper respiratory secretions and urine of infected patients in relation to other clinical features.
    Matched MeSH terms: Respiratory System/secretion; Respiratory System/virology*
  16. Comparative analysis of realistic CT-scan and simplified human airway models in airflow simulation
    Johari NH, Osman K, Helmi NH, Abdul Kadir MA
    Comput Methods Biomech Biomed Engin, 2015;18(1):48-56.
    PMID: 23521065 DOI: 10.1080/10255842.2013.776548
    Efforts to model the human upper respiratory system have undergone many phases. Geometrical proximity to the realistic shape has been the subject of many research projects. In this study, three different geometries of the trachea and main bronchus were modelled, which were reconstructed from computed tomography (CT) scan images. The geometrical variations were named realistic, simplified and oversimplified. Realistic refers to the lifelike image taken from digital imaging and communications in medicine format CT scan images, simplified refers to the reconstructed image based on natural images without realistic details pertaining to the rough surfaces, and oversimplified describes the straight wall geometry of the airway. The characteristics of steady state flows with different flow rates were investigated, simulating three varied physical activities and passing through each model. The results agree with previous studies where simplified models are sufficient for providing comparable results for airflow in human airways. This work further suggests that, under most exercise conditions, the idealised oversimplified model is not favourable for simulating either airflow regimes or airflow with particle depositions. However, in terms of immediate analysis for the prediction of abnormalities of various dimensions of human airways, the oversimplified techniques may be used.
    Matched MeSH terms: Respiratory System/radiography*
  17. Drowning
    Sarvesvaran R
    Malays J Pathol, 1992 Dec;14(2):77-83.
    PMID: 1304628
    A body recovered from the water does not necessarily imply that death was due to drowning. The diagnosis of drowning is discussed together with the significance of the "diatom" and biochemical tests.
    Matched MeSH terms: Respiratory System/pathology*
  18. Respiratory epithelium, production performance and behaviour of formaldehyde-exposed broiler chicks
    Zulkifli I, Fauziah O, Omar AR, Shaipullizan S, Siti Selina AH
    Vet Res Commun, 1999 Mar;23(2):91-9.
    PMID: 10359153
    Two experiments were conducted to evaluate the effect of formaldehyde vaporization of a hatcher on the tracheal epithelium of chick embryos, and on the production performance and behaviour of commercial broiler chicks. In experiment 1, chick embryos were exposed to 23.5 ppm of formaldehyde vapour during the last 3 days of incubation. Tracheal samples were taken at 0, 6, 30 and 54 h after exposure to formaldehyde and examined by scanning electron microscopy for pathological changes. Observable lesions included excessive accumulation of mucus, matted cilia, loss of cilia and sloughing of the epithelium. The lesions were more severe in chicks exposed for 54 h as compared to those exposed for 6 or 30 h. In experiment 2, 60 chicks that had been exposed to formaldehyde vapour as above and 60 control chicks were used to investigate the effect of formaldehyde fumigation on production performance and behaviour. Formaldehyde vaporization resulted in higher weekly (days 0-6 and 21-27) and total (days 0-41) feed intake and poorer weekly (days 0-6, 7-13, 21-27 and 28-34) and overall (days 0-41) feed conversion ratios. Body weight, mortality and behaviour (eating, drinking, sitting and standing activities) were not affected by formaldehyde fumigation.
    Matched MeSH terms: Respiratory System/drug effects*
  19. Fulltext Effects of a Lactobacilli Probiotic on Reducing Duration of URTI and Fever, and Use of URTI-Associated Medicine: A Re-Analysis of a Randomized, Placebo-Controlled Study
    Altadill T, Espadaler-Mazo J, Liong MT
    Microorganisms, 2021 Mar 04;9(3).
    PMID: 33806508 DOI: 10.3390/microorganisms9030528
    We previously reported on the effects of Lactoplantibacillus plantarum DR7 on reducing Upper Respiratory Tract Infections (URTI) symptoms' score and frequency in 109 adults upon a 12-week consumption at 109 colony-forming units (CFU)/day, but several limitations were detected in the publication. Thus, the present study re-analyzed some data with the aim to address some of these weaknesses, and presents new data on duration of URTI and consumption of URTI-associated medication, as compared to the placebo. Our re-analyses found probiotic administration significantly reduced the proportion of patient days of URTI and of fever (all p < 0.05). Recent history of URTI was a prevalent co-factor in affecting duration of URTI symptoms and fever, while other demographic and clinical factors had no influence. Exploratory analyses suggested probiotic had an earlier benefit in patients without a recent history of URTI compared to those with a recent history of URTI. Therefore, recent history of infections could have a modulatory effect on probiotic efficacy. Average number of months with reported use of URTI-related medication was 3.4-times lower in the probiotic group as compared to placebo (p = 0.016) during the intervention. Taken together, our present new data further support previous findings that DR7 probiotic had a beneficial effect on URTI.
    Matched MeSH terms: Respiratory System Abnormalities
  20. Fulltext The Performance of Flexible Tip Bougie™ in Intubating Simulated Difficult Airway Model
    Mahli N, Md Zain J, Mahdi SNM, Chih Nie Y, Chian Yong L, Shokri AFA, et al.
    Front Med (Lausanne), 2021;8:677626.
    PMID: 34026801 DOI: 10.3389/fmed.2021.677626
    This prospective, randomized, cross-over study compared the performance of the novel Flexible Tip Bougie™ (FTB) with a conventional bougie as an intubation aid in a simulated difficult airway manikin model among anaesthesiology trainees with regards of first pass success rate, time to intubation, number of attempts and ease of use. Sixty-two anesthesiology trainees, novice to the usage of FTB, participated in this study. Following a video demonstration, each participant performed endotracheal intubation on a manikin standardized to a difficult airway view. Each participant performed direct laryngoscopy and intubated the manikin using a conventional bougie and FTB, at least 1 day in between devices, in a randomized order. The first pass success rate was significantly higher with FTB (98.4%) compared to conventional bougie (85.5%), p = 0.008. The median time to intubation was significantly faster when using FTB, median = 32.0 s [Interquartile range (IQR): 23.8-41.3 s] compared to when using conventional bougie, median = 41.5 s (IQR: 31.8-69.5 s), p < 0.001. The FTB required significantly less intubation attempts compared to conventional bougie, p = 0.024. The overall ease of use, scored on a Likert scale from 1 to 5, was significantly higher in the FTB (4.26 ± 0.53) compared to the conventional bougie (3.19 ± 0.83), p < 0.001. This simulated difficult airway manikin study finding suggested that FTB is a useful adjunct for difficult airway intubation. The FTB offered a higher first pass success rate with a faster time to intubation and less required attempts.
    Matched MeSH terms: Respiratory System
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