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Naz A, Khan H, Khan T, Khan Q, Khan W. Social and Cultural Determinants of Child Labor in Pakistan. CLINICAL SOCIAL WORK AND HEALTH INTERVENTION 2019. [DOI: 10.22359/cswhi_10_2_11] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/23/2022]
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Ullah S, Naz A, Khan W, Ali B, Hakim A. Struggling for Survival: The Intricate Relationship between Poverty & Hiv/Aids In District Dir Lower, Khyber Pakhtunkhwa. CLINICAL SOCIAL WORK AND HEALTH INTERVENTION 2019. [DOI: 10.22359/cswhi_10_2_13] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/23/2022]
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78
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Rich P, Roder J, Dubay J, Oubre D, Pauli E, Orsini J, Santos E, Coleman M, Khan W, Akerley W, Siegel R, Traylor L, Walker P. Real-world Performance of Blood-Based Proteomic Profiling in Frontline Immunotherapy Treatment in Advanced stage NSCLC. Int J Radiat Oncol Biol Phys 2019. [DOI: 10.1016/j.ijrobp.2019.01.096] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/27/2022]
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79
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Ullah I, Naraz A, Khan T, Khan S, Gul A, Khan W, Khan N. School Curriculum and HIV/AIDS: A Study of District Swat. CLINICAL SOCIAL WORK AND HEALTH INTERVENTION 2019. [DOI: 10.22359/cswhi_10_1_02] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/23/2022]
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80
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Khanna S, Gan G, Gupta K, Khan W, Bhat A, Chen H, Tan T. Characterisation of Right Ventricular Size and Systolic Function in a Cohort of Myocarditis Patients with Normal LVEF. Heart Lung Circ 2019. [DOI: 10.1016/j.hlc.2019.06.252] [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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81
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Khanna S, Gan G, Gupta K, Khan W, Tan W, Chen H, Bhat A, Tan T. Characterisation of Left Ventricular Shape Change as Defined by Sphericity Index in Patients with Acute Phase Takotsubo Cardiomyopathy and Anterior STEMI Patients. Heart Lung Circ 2019. [DOI: 10.1016/j.hlc.2019.06.250] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/24/2022]
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82
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Khan W, Jia Y, Madi F, Weber A, Ghovanloo M, Li W. Inductively coupled, mm-sized, single channel optical neuro-stimulator with intensity enhancer. MICROSYSTEMS & NANOENGINEERING 2019; 5:23. [PMID: 31231537 PMCID: PMC6545326 DOI: 10.1038/s41378-019-0061-6] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/16/2018] [Revised: 03/13/2019] [Accepted: 03/14/2019] [Indexed: 05/06/2023]
Abstract
We introduce a single channel neuro-stimulator consisting of a reflector-coupled microscale light emitting diode (µLED) with an integrated mm-sized wireless receiver (Rx) coil for free-floating, battery-free, untethered optogenetics neuromodulation. The system utilizes a two-coil inductive link to deliver instantaneous power at a low operating frequency (<100 MHz) for continuous optical stimulation with minimized invasiveness and tissue exposure to electromagnetic radiation. Coupling a microscale reflector to the µLED provides significant light intensity enhancement compared to a bare µLED. Our activated stimulators have an operational temperature increase of <1 °C, well below the safety limit of biomedical implants. In vivo experiment and histological analysis verify the efficacy of wireless optical stimulation in the primary visual cortex of rats, using c-Fos biomarker as a reporter of light-evoked neuronal activity.
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Israr M, Naz A, Gul A, Khan F, Khan W. Women’s Political Deprivation: A Natural Selection or Cultural Injustice The Case of Pakhtun Society, Pakistan. CLINICAL SOCIAL WORK AND HEALTH INTERVENTION 2018. [DOI: 10.22359/cswhi_9_4_07] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/23/2022]
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Clements T, Ndlovu T, Khan S, Khan W. Biosurfactants produced by Serratia species: Classification, biosynthesis, production and application. Appl Microbiol Biotechnol 2018; 103:589-602. [DOI: 10.1007/s00253-018-9520-5] [Citation(s) in RCA: 21] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/11/2018] [Revised: 11/08/2018] [Accepted: 11/12/2018] [Indexed: 10/27/2022]
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85
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Chamberlin K, Orfanos S, Mukherjee A, Moy E, Koganti M, Khan W. A case of disseminated tuberculosis mimicking metastatic cancer. Respir Med Case Rep 2018; 25:239-241. [PMID: 30302306 PMCID: PMC6174834 DOI: 10.1016/j.rmcr.2018.10.001] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/05/2018] [Accepted: 10/01/2018] [Indexed: 11/29/2022] Open
Abstract
BACKGROUND Disseminated tuberculosis (TB) or miliary TB is defined as lymphohematogenous dissemination of Mycobacterium tuberculosis bacilli, which may then affect virtually any organ system. The multiple organ involvement in disseminated TB can mimic metastatic cancer and can make the diagnosis challenging. False negatives are common therefore repeating microbiologic and histologic samples is essential. CASE REPORT We report the case of a young immunocompetent patient presenting with multiple atypical extra-pulmonary TB involvement. The patient presented with pulmonary, pleural, bilateral testicular and multiple bone involvement including calcanerium abscesses. These lesions were initially described as metastasis by the radiologist. Therefore lymphoma and metastatic testicular cancer as well as TB were high on the differential in this young foreign-born male. Pleural, broncho-alveolar lavage, bone marrow and cerebrospinal fluid acid-fast bacilli smear and microbiologic culture were all negative. However the histologic examination of the trans-bronchial biopsy and pleural biopsy showed necrotizing granuloma and helped to narrow down the diagnosis. The patient improved with RIPE therapy. CONCLUSION This case illustrates the diagnostic difficulty of disseminated TB with atypical organ involvement. Culture is the gold standard for diagnosing TB but is a long process and with 23% of culture negative TB in the United-States, the diagnosis sometimes relies on thoroughly ruling-out differential diagnosis and histologic examination.
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Jia Y, Khan W, Lee B, Fan B, Madi F, Weber A, Li W, Ghovanloo M. Wireless opto-electro neural interface for experiments with small freely behaving animals. J Neural Eng 2018; 15:046032. [PMID: 29799437 PMCID: PMC6091646 DOI: 10.1088/1741-2552/aac810] [Citation(s) in RCA: 33] [Impact Index Per Article: 5.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/24/2022]
Abstract
OBJECTIVE We have developed a wireless opto-electro interface (WOENI) device, which combines electrocorticogram (ECoG) recording and optical stimulation for bi-directional neuromodulation on small, freely behaving animals, such as rodents. APPROACH The device is comprised of two components, a detachable headstage and an implantable polyimide-based substrate. The headstage establishes a bluetooth low energy (BLE) bi-directional data communication with an external custom-designed USB dongle for receiving user commands and optogenetic stimulation patterns, and sending digitalized ECoG data. MAIN RESULTS The functionality and stability of the device were evaluated in vivo on freely behaving rats. When the animal received optical stimulation on the primary visual cortex (V1) and visual stimulation via eyes, spontaneous changes in ECoG signals were recorded from both left and right V1 during four consecutive experiments with 7 d intervals over a time span of 21 d following device implantation. Immunostained tissue analyses showed results consistent with ECoG analyses, validating the efficacy of optical stimulation to upregulate the activity of cortical neurons expressing ChR2. SIGNIFICANCE The proposed WOENI device is potentially a versatile tool in the studies that involve long-term optogenetic neuromodulation.
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Nannaparaju M, Mortada S, Wiik A, Khan W, Alam M. Posterolateral corner injuries: Epidemiology, anatomy, biomechanics and diagnosis. Injury 2018; 49:1024-1031. [PMID: 29254623 DOI: 10.1016/j.injury.2017.10.008] [Citation(s) in RCA: 22] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 10/12/2016] [Revised: 09/03/2017] [Accepted: 10/07/2017] [Indexed: 02/02/2023]
Abstract
Increased internal and external rotational laxity of the knee may result from a wide range of pathologies in or around the knee. However, the principal cause of increased external rotational laxity is damage to the posterolateral corner (PLC). The aim of the review is to discuss the epidemiology, anatomy, biomechanics and diagnosis of PLC injuries.
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Zaman SU, Ali K, Khan W, Ali M, Jan T, Nisar M. Ethno-botanical and geo-referenced profiling of medicinal plants of Nawagai Valley, District Buner (Pakistan). BIOSYSTEMS DIVERSITY 2018. [DOI: 10.15421/011809] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/05/2022] Open
Abstract
The prime objective of the research was to list the important ethnomedicinal plants of Nawagai village, District Buner. During the survey, 44 plant species from 27 families were observed and collected from the targeted area of Khyber Pakhtunkhwa, Pakistan. Lamiaceae members were the most dominant (54%) followed by members of Asteraceae (30%), Poaceae (18%) and Solanaceae (12%). Relevant information such as field data, GPS coordinates family names, local names, therapeutic uses and plant habits were recorded for each species. For preservation purposes, specimens were mounted on herbarium sheets, and identified with the help of flora of Pakistan, flora of Australia and other relevant floristic records. During this research work all the collected specimens were preserved in the (BG&H, UOM) Botanical Garden and Herbarium, the data were also provided to the Department of Botany, University of Malakand Dir (Lower), Khyber Pakhtunkhwa, Pakistan.
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Muhammad N, Wadood SF, Khan W, Ali N, Nisar M. ntra-species profiling of Cleome viscosa growing in Swat district (Pakistan). BIOSYSTEMS DIVERSITY 2018. [DOI: 10.15421/011808] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/05/2022] Open
Abstract
Intra-specific genetic variation was studied in 28 genotypes of Cleome viscosa L. growing in Swat district, Khyber Pakhtunkhwa, Pakistan. It was found that genotypes showed the utmost allelic variation for leaf upper and lower surface with emerald green (75%), and yellow green (75%) respectively, other leaves lower and upper surfaces were (25%) green and yellow green (26%) respectively. The majority of C. viscosa genotypes were (50%) yellow flowers while others were with (29%) white yellow colour and (21%) dull yellow. Most of the seeds were with black (46%). The protein profiling was carried out on 12% gel electrophoresis; seven reproducible bands with molecular weight ranges from 180 to 10 KDa were detected in C. viscosa, the locus contribution toward genetic disagreement (LCTGD) of C. viscosa was 57%. Notably, L-3, L-4 L-5, was monomorphic in C. viscosa and was treated as species specific. L-1, L-2, L-7 were polymorphic. These bands showed 79%, 4%, 14% and 79% variation respectively. In the current investigation the intra-specific variation was observed limited and alone SDS-PAGE did not determine the high level of intra-specific variation; however, diverse germplasm were suggested to be acquired from various sources.
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Waso M, Khan S, Khan W. Development and small-scale validation of a novel pigeon-associated mitochondrial DNA source tracking marker for the detection of fecal contamination in harvested rainwater. THE SCIENCE OF THE TOTAL ENVIRONMENT 2018; 615:99-106. [PMID: 28963900 DOI: 10.1016/j.scitotenv.2017.09.229] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/20/2017] [Revised: 09/18/2017] [Accepted: 09/21/2017] [Indexed: 06/07/2023]
Abstract
The current study was aimed at designing and validating (on a small-scale) a novel pigeon mitochondrial DNA (mtDNA) microbial source tracking (MST) marker for the detection of pigeon fecal matter in harvested rainwater. The pigeon mtDNA MST marker was designed to target the mtDNA Cytochrome b gene by employing mismatch amplification mutation assay kinetics. The pigeon marker was validated by screening 69 non-pigeon and 9 pigeon fecal samples. The host-sensitivity of the assay was determined as 1.00 while the host-specificity of the assay was 0.96. Harvested rainwater samples (n=60) were screened for the prevalence of the marker with the mtDNA Cytochrome b marker detected in 78% of the samples. Bayes' theorem was applied to calculate the conditional probability of the marker detecting true pigeon contamination and the marker subsequently displayed a 99% probability of detecting true pigeon contamination in the harvested rainwater samples. In addition, the mtDNA Cytochrome b marker displayed high concurrence frequencies versus heterotrophic bacteria (78.3%), E. coli (73.3%), total coliforms (71.1%) and fecal coliforms (66.7%). This study thus validates that targeting mtDNA for the design of source tracking markers may be a valuable tool to detect avian fecal contamination in environmental waters.
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Waso M, Khan S, Khan W. Microbial source tracking markers associated with domestic rainwater harvesting systems: Correlation to indicator organisms. ENVIRONMENTAL RESEARCH 2018; 161:446-455. [PMID: 29216491 DOI: 10.1016/j.envres.2017.11.043] [Citation(s) in RCA: 19] [Impact Index Per Article: 3.2] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/22/2017] [Revised: 11/03/2017] [Accepted: 11/26/2017] [Indexed: 05/24/2023]
Abstract
Domestic rainwater harvesting (tank water) systems were screened for the presence of a panel of microbial source tracking (MST) markers and traditional indicator organisms. The indicator organisms were enumerated utilizing traditional culture-based methods, while the MST markers were quantified by quantitative PCR (qPCR). The indicators Escherichia coli (E. coli) and enterococci were also quantified using qPCR. Correlations and concurrence between these parameters were then investigated to determine which markers could be utilized to supplement traditional indicator analysis. Quantitative PCR analysis indicated that Bacteroides HF183, adenovirus, Lachnospiraceae and E. coli were detected and quantifiable in 100% of the tank water samples collected throughout the sampling period, while human mitochondrial DNA (mtDNA) was quantifiable in 90% of the tank water samples and Bifidobacterium adolescentis (B. adolescentis) and enterococci were quantifiable in 67% of the tank water samples, respectively. Significant positive correlations were recorded for Lachnospiraceae versus heterotrophic bacteria (p = 0.000), adenovirus versus E. coli (culturing) (p = 0.000) and heterotrophic bacteria (p = 0.024), the HF183 marker versus E. coli (qPCR) (p = 0.024) and B. adolescentis versus fecal coliforms (p = 0.037). In addition, 100% concurrence was observed for the HF183 marker, adenovirus and Lachnospiraceae versus E. coli (qPCR), enterococci (qPCR) and heterotrophic bacteria, amongst others. Based on the correlations and the concurrence analysis, the HF183 marker, Lachnospiraceae and adenovirus may be utilized to supplement indicator organism analysis for the monitoring of harvested rainwater quality.
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Hussain T, Musthafa M, Babar M, Khan W, Ullah Z, Aqeel M, Yaqub A, Marikar F. Analysis of molecular genetic diversity of endangered Punjab urial (Ovis vignei punjabiensis) based on interleukin 2 gene sequences. BULGARIAN JOURNAL OF VETERINARY MEDICINE 2018. [DOI: 10.15547/bjvm.1076] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/12/2022] Open
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93
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Ali K, Khan S, Khan N, Khan W, Rahman IU, Ullah F, Ali K, Nisar M. Ethnobotanical and ecological study of Punica granatum in Dir district, Khyber Pakhtunkhwa, Pakistan. REGULATORY MECHANISMS IN BIOSYSTEMS 2017. [DOI: 10.15421/0217101] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/05/2022] Open
Abstract
Punica granatum L. (wild) belongs to family Punicaceae, a woody plant, predominantly found on calcareous and alkaline soils. The species is extensively utilized as food and firewood and for the extraction of various chemicals due to its therapeutic properties. To understand the ethno-botanical and ecological status of the species on a regional scale, a questionnaire survey was conducted in the Dir (L) area using close and open-ended questionnaires. Data collected from 124 respondents were analysed quantitatively using statistical analysis to calculate indices like Relative Frequency of Citation (RFC), Use value (UV) and multivariate analysis. GPS data used for the presence data of the plants were used to develop GIS thematic maps. Geo-referenced data on P. granatum was collected from the study area, using GPS. Results suggest that the plant is mostly used as a remedy for dry cough, as an astringent, people used powder form of fruit peelings. It was documented in the present investigation that P. granatum is mainly eradicated due to its extensive use as firewood. The study also evaluated on the major aspect of how the P. granatum can be conserved naturally. It was found out that the plant is conserved in areas inaccessible to humans. The status of the vegetation community around this plant was also explored, it is found out that specific shrub and tree communities were major flora growing in proximity to P. granatum. The finding of this survey has concluded that wild P. granatum is an endangered species due to its extensive and uncontrollable use for firewood, curing diseases and its economic potential. These findings could be exploited to take necessary steps for the conservation of this species.
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Ahmed Z, Khan W, Maotter T, Pervez S. Predictive outcome of EGFR mutation in lung adenocarcinomas in Pakistan. Respir Med 2017. [DOI: 10.1016/j.rmed.2017.07.017] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/25/2022]
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Welck MJ, Hayes T, Pastides P, Khan W, Rudge B. Stress fractures of the foot and ankle. Injury 2017; 48:1722-1726. [PMID: 26412591 DOI: 10.1016/j.injury.2015.06.015] [Citation(s) in RCA: 38] [Impact Index Per Article: 5.4] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 03/11/2015] [Revised: 05/05/2015] [Accepted: 06/08/2015] [Indexed: 02/02/2023]
Abstract
Stress fractures occur as a result of microscopic injuries sustained when bone is subjected to repeated submaximal stresses. Overtime, with repeated cycles of loading, accumulation of such injuries can lead to macro-structural failure and frank fracture. There are numerous stress fractures about the foot and ankle of which a trauma and orthopaedic surgeon should be aware. These include: metatarsal, tibia, calcaneus, navicular, fibula, talus, medial malleolus, sesamoid, cuneiform and cuboid. Awareness of these fractures is important as the diagnosis is frequently missed and appropriate treatment delayed. Late identification can be associated with protracted pain and disability, and may predispose to non-union and therefore necessitate operative intervention. This article outlines the epidemiology and risk factors, aetiology, presentation and management of the range of stress fractures in the foot and ankle.
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Khan A, Riaz M, Kelly ME, Khan W, Waldron R, Barry K, Khan IZ. Prospective validation of neutrophil-to-lymphocyte ratio as a diagnostic and management adjunct in acute appendicitis. Ir J Med Sci 2017; 187:379-384. [PMID: 28744697 DOI: 10.1007/s11845-017-1667-z] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/06/2017] [Accepted: 07/19/2017] [Indexed: 12/15/2022]
Abstract
BACKGROUND No optimal biomarker exists that accurately diagnoses appendicitis or predicts severity, estimates post-operative complications or total length of hospital stay (LOS). AIM To prospectively validate the utility of neutrophil-to-lymphocyte (NLR) ratio in predicting the severity of appendicitis, LOS, and 30-day complication rates. METHODS Patients who were admitted with a provisional diagnosis of acute appendicitis over a period of 18 months (Oct 2014-April 2016) were included. Patient demographics and blood results were prospectively collected. Details of imaging, operative intervention, severity of appendicitis, length of stay, and 30-days post admission complications were recorded. Recommended cut-off values of NLR and C-reactive protein for severity of appendicitis were determined using receiver operating characteristic analysis (ROC). These cut-off values were compared with C-reactive protein levels. Mann-Whitney test was performed to assess the correlations between LOS and 30-day complications to NLR. RESULTS Four hundred fifty-three patients were included in the study; 55.2% (n = 245) were female with mean patient age of 23 years. Two-thirds (n = 281, 62.03%) underwent operative management. Histologically, appendicitis was confirmed in 214 (76%) patients. A NLR of >6.36 or CRP of >28 were statistically associated with complicated acute appendicitis, with a median of one extra hospital day (p < 0.0001). Mean NLR was statistically higher in patients with post-operative complications (14.42 vs. 7.29 for simple appendicitis group, p < 0.001). CONCLUSION This confirms previous reports that NLR is a simple, readily available adjunct in predicting severity of appendicitis. Additionally, it can aid delineating severe appendicitis that should proceed to surgery without substantial delay.
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Ahmed Z, Moatter T, Pervez S, Khan W. 478P EGFR mutation in NSCLC in Pakistan. Ann Oncol 2016. [DOI: 10.1016/s0923-7534(21)00636-0] [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] Open
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98
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Ahmed Z, Moatter T, Pervez S, Khan W. 478P EGFR mutation in NSCLC in Pakistan. Ann Oncol 2016. [DOI: 10.1093/annonc/mdw594.042] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/14/2022] Open
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99
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Conort P, Khan W, Tostivint I. Néphrolithotomie percutanée sans exposition aux rayons X réalisée sous contrôle d’une urétéroscopie souple : 32 premiers cas. Prog Urol 2016. [DOI: 10.1016/j.purol.2016.07.181] [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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100
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Rasooly MH, Sahak MN, Saeed KI, Krishnan SK, Khan W, Hassounah S. Capacity of the national influenza surveillance system in Afghanistan, a chronic conflict setting. EASTERN MEDITERRANEAN HEALTH JOURNAL = LA REVUE DE SANTE DE LA MEDITERRANEE ORIENTALE = AL-MAJALLAH AL-SIHHIYAH LI-SHARQ AL-MUTAWASSIT 2016; 22:476-482. [PMID: 27714742] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Subscribe] [Scholar Register] [Received: 04/30/2016] [Accepted: 08/22/2016] [Indexed: 06/06/2023]
Abstract
Influenza surveillance is needed to monitor potential public health threats from the emergence of novel influenza viruses. This study assessed the capacity and performance of the national influenza surveillance system in Afghanistan from 2007 to 2014. Data were collected by review of hospital registers and the National Influenza Centre (NIC) database, interviews with influenza focal points at 9 influenza sentinel surveillance sites and the Centre staff, and observation of the sites. Out of 6900 specimens collected, influenza virus was detected in 253 (3.6%), predominantly H1N1 (63%); most of these cases were detected during the 2009 pandemic. The NIC had the capacity for virus isolation and PCR identification and performed reasonably until 2011 when support of the Naval American Medical Research Unit 3 was withdrawn. The limitations identified in the system indicated the need for: more complete data, improved technical competence and trained human resources, updating of the infrastructure/facilities, and the presence of standard operating procedures throughout surveillance.
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