1
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Waseem M, Irfan-Ur-Rehman Khan M, Usman Mehmood M, Riaz A, Akhtar M. 145 Comparison of various buffalo sera collected during different phases of estrous cycle for in vitro maturation and culturing of Nili-Ravi buffalo oocytes. Reprod Fertil Dev 2021; 34:310-311. [PMID: 35231352 DOI: 10.1071/rdv34n2ab145] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/23/2022] Open
Affiliation(s)
- M Waseem
- Buffalo Research Institute Pattoki, Kasur, Punjab, Pakistan
| | - M Irfan-Ur-Rehman Khan
- Department of Theriogenology, University of Veterinary and Animal Sciences, Lahore, Punjab, Pakistan
| | - M Usman Mehmood
- Department of Theriogenology, University of Veterinary and Animal Sciences, Lahore, Punjab, Pakistan
| | - A Riaz
- Department of Theriogenology, University of Veterinary and Animal Sciences, Lahore, Punjab, Pakistan
| | - M Akhtar
- Buffalo Research Institute Pattoki, Kasur, Punjab, Pakistan
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2
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Luo W, Limb R, Aslam A, Kattimani R, Karthikappallil D, Paramasivan A, Waseem M. 266 The Effect of the COVID-19 Pandemic on Emergency Theatre Mortality, Time to Intervention and Length of Stay in the First Phase of National Lockdown at a District General Hospital. Br J Surg 2021. [PMCID: PMC8524475 DOI: 10.1093/bjs/znab259.448] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/02/2022]
Abstract
Aim This study aimed to investigate the patient population requiring emergency surgery during the first phase of lockdown due to COVID-19 in the United Kingdom and compare it to the equivalent population in the same calendar period for 2019. Thus, we aimed to evaluate the impact of the pandemic on emergency operations. Method We retrospectively reviewed patients undergoing surgery in emergency theatres at our district general hospital between March 23rd and May 11th in 2019 and 2020. Data collected included demographics (age/gender), National Confidential Enquiry into Patient Outcome and Death (NCEPOD) category and operation. The primary outcome was 90-day post-operative mortality; secondary outcomes included time to intervention and length of inpatient stay. Results 132 (2020) versus 141 (2019) patients were included with no significant difference in age (p = 0.676) nor sex (p = 0.230). There was no difference in overall 90-day postoperative mortality (p = 0.196). Notably, time to intervention was faster for NCEPOD code 3 patients in 2020 than in 2019 (p = 0.027). Time to intervention in 2020 was longer for those dying within 90 days post-operatively compared to survivors (p = 0.02). There was no difference in length of stay between the years, both overall and when conducting subgroup analyses by NCEPOD category or procedures (fractured neck of femur (p = 0.776), laparoscopies (p = 0.866), laparotomies (p = 0.252)), except for upper limb trauma (p = 0.007). Conclusions Patients were appropriately prioritised with no overall change in mortality or length of stay. A national validation audit assessing outcomes of emergency operations during these challenging times would further elucidate risks posed to surgical patients requiring urgent care.
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Affiliation(s)
- W Luo
- Macclesfield District General Hospital, Macclesfield, United Kingdom
| | - R Limb
- Macclesfield District General Hospital, Macclesfield, United Kingdom
| | - A Aslam
- University of Cambridge School of Clinical Medicine, Cambridge, United Kingdom
| | - R Kattimani
- Macclesfield District General Hospital, Macclesfield, United Kingdom
| | - D Karthikappallil
- Macclesfield District General Hospital, Macclesfield, United Kingdom
| | - A Paramasivan
- Countess of Chester Hospital NHS Foundation Trust, Chester, United Kingdom
| | - M Waseem
- Macclesfield District General Hospital, Macclesfield, United Kingdom
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3
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Aslam A, Pearson K, Waseem M. 169 Clinical Outcomes of Radial Head Arthroplasty as Primary Treatment for Post-traumatic Mason Type 3 and 4 Fractures: A Long-term Follow-up. Br J Surg 2021. [DOI: 10.1093/bjs/znab258.054] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/14/2022]
Abstract
Abstract
Aim
Radial head arthroplasty (RHA) is the favoured treatment for complex radial head fractures, enabling functional restoration of elbow kinematics. However, study of long-term outcomes associated with RHA is largely neglected. This study aimed to fill the gap in the literature by firstly, assessing functional outcomes, and secondly, determining complications and rates of revision and/or removal of prosthesis associated with RHA, at our district general hospital.
Method
We retrospectively reviewed a consecutive single-surgeon series of patients receiving RHA as primary treatment for radial head fractures graded either 3 or 4 according to the Mason-Johnston classification between 2004 and 2009. Function at final follow-up was assessed using Quick Disabilities of the Arm, Shoulder and Hand (q-DASH) score and Mayo Elbow Performance Score (MEPS).
Results
16 patients identified; 12 available for final follow-up. Mean follow-up time of 12.60 years (range: 10.67-16.08). Mean q-DASH score of 8.2 (range: 0-34.1). Mean MEPS of 85.83 (range: 50-100) with 11 (91.67%) reporting excellent/good results. All complications occurred within the first year post-operatively. Stiffness was the most common (50%) complication, but additional procedures improved objective range of movement in affected patients. Only one patient required implant revision throughout follow-up, which was due to prosthesis subluxation in the first month.
Conclusions
This study is amongst the first to examine clinical outcomes associated with RHA with an average follow-up >12 years. Our results emphasise good functional restoration and low implant failure rate. Regular follow-up particularly in the early post-operative period is essential in detecting and resolving complications.
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Affiliation(s)
- A Aslam
- University of Cambridge School of Clinical Medicine, Cambridge, United Kingdom
| | - K Pearson
- Macclesfield District General Hospital, Macclesfield, United Kingdom
| | - M Waseem
- Macclesfield District General Hospital, Macclesfield, United Kingdom
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4
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Lupicki K, Parish A, Caldwell C, Josephson E, Rosario D, Waseem M. 223 The Impact of a Community Tour on Incoming Residents During Orientation at an Inner-City Hospital. Ann Emerg Med 2021. [DOI: 10.1016/j.annemergmed.2021.09.235] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/25/2022]
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5
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Waseem M, Wang J, Shariff M, Asad H, Josephson E. 61 Academic Impact on Emergency Medicine Training Programs During COVID-19 Pandemic. Ann Emerg Med 2021. [PMCID: PMC8335509 DOI: 10.1016/j.annemergmed.2021.07.063] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/26/2022]
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6
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Luo W, Limb R, Aslam A, Kattimani R, Karthikappallil D, Paramasivan A, Waseem M. O33 Outcomes of patients undergoing emergency surgery during the first phase of national lockdown in the United Kingdom due to COVID-19 pandemic: experience at a district general hospital. Br J Surg 2021. [DOI: 10.1093/bjs/znab282.038] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/13/2022]
Abstract
Abstract
Introduction
This study aimed to assess the impact of the COVID-19 pandemic on emergency operations during the first phase of lockdown in the United Kingdom, compared to the equivalent population in the same calendar period in 2019.
Method
We retrospectively reviewed patients undergoing surgery in emergency theatres at our district general hospital between March 23rd and May 11th in 2019 and 2020. Data collected included demographics, National Confidential Enquiry into Patient Outcome and Death (NCEPOD) category and procedure. The primary outcome was 90-day post-operative mortality; secondary outcomes included time to intervention and length of inpatient stay.
Result
132 patients (2020) versus 141 (2019) patients were included with no significant difference in age (P = 0.676), sex (P = 0.230), or overall 90-day postoperative mortality (P = 0.196). Notably, time to intervention was faster for NCEPOD code 3 patients in 2020 than 2019 (P = 0.027). Time to intervention in 2020 was longer for those dying within 90 days post-operatively compared to survivors (P = 0.02). There was no difference in length of stay between years, both overall and when comparing subgroups by NCEPOD category or procedures (fractured neck of femur (P = 0.776), laparoscopies (P = 0.866), laparotomies (P = 0.252)), except for upper limb trauma (P = 0.007).
Conclusion
This study is amongst the first describing the general case mix in emergency theatres in the UK. Patient pre-operative characteristics and demographics did not change. Our data confirms patient prioritisation according to NCEPOD recommendations and streamlining of surgical services, with no difference in overall mortality, time to intervention or length of stay compared to 2019.
Take-home Message
At this district general hospital, patients were appropriately prioritised, and our results show adaptation of hospital practice to emerging national guidelines during the first phase of lockdown. A national validation audit assessing morbidity and mortality outcomes for all NCEPOD patients may be facilitate further understanding of risks posed to patients requiring urgent surgery during these unprecedented times.
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Affiliation(s)
- W Luo
- Macclesfield District General Hospital, Macclesfield
| | - R Limb
- Macclesfield District General Hospital, Macclesfield
| | - A Aslam
- University of Cambridge School of Clinical Medicine, Cambridge
| | - R Kattimani
- Macclesfield District General Hospital, Macclesfield
| | | | | | - M Waseem
- Macclesfield District General Hospital, Macclesfield
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Aslam N, Hayat S, Ali T, Waseem M, Siddique MH, Afzal M, Muzammil A, Naz G, Sarwar A, Muzammil S. Antiadhesion and antibiofilm potential of Fagonia indica from Cholistan desert against clinical multidrug resistant bacteria. BRAZ J BIOL 2021; 82:e239991. [PMID: 34190801 DOI: 10.1590/1519-6984.239991] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/23/2020] [Accepted: 11/05/2020] [Indexed: 11/22/2022] Open
Abstract
High resistance to antimicrobials is associated with biofilm formation responsible for infectious microbes to withstand severe conditions. Therefore, new alternatives are necessary as biofilm inhibitors to control infections. In this study, the antimicrobial and antibiofilm activities of Fagonia indica extracts were evaluated against MDR clinical isolates. The extract exhibited its antibiofilm effect by altering adherence and disintegration of bacterial cell wall. Fagonia indica has antibacterial effect as minimum inhibitory concentration (MIC) values ranging from 125 to 500 µg mL-1 and minimum bactericidal concentration (MBC) value was 500-3000 µg mL-1 against multidrug resistant (MDR) clinical isolates. The extract exhibited its antibiofilm effect by altering adherence and disintegration of bacterial cell wall. Fagonia indica had antibacterial effect as minimum inhibitory concentration (MIC) values ranging from 125 to 500 µg mL-1 and minimum bactericidal concentration (MBC) value was 500-3000 µg mL-1 against MDR isolates. The maximum inhibitory effects of Fagonia indica chloroform extract on biofilm formation was observed on Staphylococcus aureus (71.84%) followed by Klebsiella pneumoniae (70.83%) after 48 hrs showing that inhibition is also time dependent. Our results about bacterial cell protein leakage indicated that MDR isolates treated with chloroform extract of Fagonia indica showed maximum protein leakage of K. pneumoniae (59.14 µg mL-1) followed by S. aureus (56.7 µg mL-1). Cell attachment assays indicated that chloroform extract resulted in a 43.5-53.5% inhibition of cell adherence to a polystyrene surface. Our results revealed that extracts of Fagonia indica significantly inhibited biofilm formation among MDR clinical isolates, therefore, could be applied as antimicrobial agents and cost effective biofilm inhibitor against these MDR isolates.
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Affiliation(s)
- N Aslam
- Government College University, Department of Biochemistry, Faisalabad, Pakistan
| | - S Hayat
- Government College University, Department of Microbiology, Faisalabad, Pakistan
| | - T Ali
- Government College University, Department of Biochemistry, Faisalabad, Pakistan.,University of Agriculture, Department of Biochemistry, Faisalabad, Pakistan
| | - M Waseem
- Government College University, Department of Microbiology, Faisalabad, Pakistan
| | - M H Siddique
- Government College University, Department of Bioinformatics and Biotechnology, Faisalabad, Pakistan
| | - M Afzal
- Government College University, Department of Bioinformatics and Biotechnology, Faisalabad, Pakistan
| | - A Muzammil
- Government College University, Department of Bioinformatics and Biotechnology, Faisalabad, Pakistan
| | - G Naz
- Government College University, Department of Microbiology, Faisalabad, Pakistan
| | - A Sarwar
- Government College University, Department of Microbiology, Faisalabad, Pakistan
| | - S Muzammil
- Government College University, Department of Microbiology, Faisalabad, Pakistan
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8
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Luo W, Limb R, Aslam A, Kattimani R, Karthikappallil D, Paramasivan A, Waseem M. COVID-19 pandemic did not affect emergency theatre patient demographic and length of stay in the first phase of UK countrywide lockdown in a district general hospital. Ann R Coll Surg Engl 2021; 103:404-411. [PMID: 33955242 DOI: 10.1308/rcsann.2021.0043] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/22/2022] Open
Abstract
INTRODUCTION We aim to identify any changes in outcome for patients undergoing nonelective surgery at the start of the UK pandemic in our district general hospital. This was a single-centre retrospective cohort review of a UK district general hospital serving a population of over 250,000 people. METHODS Participants were all patients undergoing a surgical procedure in the acute theatre list between 23 March to 11 May in both 2019 and 2020. Primary outcome was 90-day postoperative mortality. Secondary outcomes include time to surgical intervention and length of inpatient stay. RESULTS A total of 132 patients (2020) versus 141 (2019) patients were included. Although overall 90-day postoperative mortality was higher in 2020 (9.8%) compared with 2019 (5.7%), this difference was not statistically significant (p=0.196). In 2020, eight patients tested positive for COVID-19 either as an inpatient or within 2 weeks of discharge, of whom five patients died. Time to surgical intervention was significantly faster for NCEPOD (National Confidential Enquiry into Patient Outcome and Death) code 3 patients in 2020 than in 2019 (p=0.027). There were no significant differences in mean length of inpatient stay. CONCLUSIONS We found that patients were appropriately prioritised using NCEPOD classification, with no statistically significant differences in 90-day postoperative mortality and length of inpatient stay compared with the 2019 period. A study on a larger scale would further elucidate the profile and outcomes of patients requiring acute surgery to generate statistical significance.
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Affiliation(s)
- W Luo
- Macclesfield District General Hospital, UK
| | - R Limb
- Macclesfield District General Hospital, UK
| | - A Aslam
- University of Cambridge School of Clinical Medicine, UK
| | | | | | - A Paramasivan
- Countess of Chester Hospital NHS Foundation Trust, UK
| | - M Waseem
- Macclesfield District General Hospital, UK
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9
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Ashraf S, Waseem M. 937 Is the Dog Still Man's Best Friend? Br J Surg 2021. [DOI: 10.1093/bjs/znab134.335] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/13/2022]
Abstract
Abstract
Introduction
It is colloquially known that dogs are man’s best friend. However, animal attacks cause a large number of injuries and deaths worldwide, with 70% of injuries being caused by pets. This study highlights the impact of dog related injuries.
Method
Data was collected retrospectively over 1 year in a small district general hospital. The search term “dog” was used to find patients who had attended A&E or fracture clinic. This data was analysed for patient demographics, injury type and severity, management, and cost to the NHS.
Results
The majority (77%) of patients were female and elderly, with the modal age group being 70-79. Of the 38% of patients requiring admission, average length of stay was 6.7 days. Fractures made up the majority of injuries (56%) and 17% of patients required operative management. A further 2% suffered from post-operative complications. The average cost to the NHS was £1,695 per patient.
Conclusions
Dog related injuries disproportionately affected women and the elderly, with a large portion requiring operative management. Some patients developed further complications. As well as health burden there was also a financial burden associated with these injuries. These health and financial detriments are not often considered when deciding on pet ownership.
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Affiliation(s)
- S Ashraf
- East Cheshire NHS Trust, Macclesfield, United Kingdom
| | - M Waseem
- East Cheshire NHS Trust, Macclesfield, United Kingdom
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10
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Qureshi H, Anwar T, Habib N, Ali Q, Haider MZ, Yasmin S, Munazir M, Basit Z, Waseem M. Multiple comparisons of diversity indices invaded by Lantana camara. BRAZ J BIOL 2021; 81:83-91. [PMID: 32236291 DOI: 10.1590/1519-6984.222147] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/02/2019] [Accepted: 09/25/2019] [Indexed: 11/21/2022] Open
Abstract
Current study assessed the impact of Lantana camara invasion on native plant diversity in Pothohar region of Pakistan. The approach used for study was random samplings and comparisons of diversity indices [number of species (S), abundance (N), species richness (R), evenness (Jꞌ), Shannon diversity index (Hꞌ) and Simpson index of dominance (λ)] with two categorical factors i.e., invaded and non-invaded (control). Control plots harboured by an average of 1.74 more species/10m2. The control category was diverse (Hꞌ=2.56) than invaded category (Hꞌ=1.56). The higher value of species richness in control plots shows heterogeneous nature of communities and vice versa in invaded plots. At multivariate scale, ordination (nMDS) and ANOSIM showed significant magnitude of differences between invaded and control plots at all sites. The decrease in studied diversity indices in invaded over control sites indicated that plant communities become less productive due to Lantana invasion.
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Affiliation(s)
- H Qureshi
- Institute of Biological Sciences, Gomal University, Dera Ismail Khan-29050, Pakistan.,Department of Botany, Pir Mehr Ali Shah Arid Agriculture University, Rawalpindi-46300, Pakistan
| | - T Anwar
- Department of Botany, Pir Mehr Ali Shah Arid Agriculture University, Rawalpindi-46300, Pakistan
| | - N Habib
- Department of Botany, Government College University, Faisalabad-38000, Pakistan
| | - Q Ali
- Department of Botany, Government College University, Faisalabad-38000, Pakistan
| | - M Z Haider
- Department of Botany, Government College University, Faisalabad-38000, Pakistan
| | - S Yasmin
- Department of Botany, Government College for Women University, Sialkot-51310, Pakistan
| | - M Munazir
- Department of Botany, Government College for Women University, Sialkot-51310, Pakistan
| | - Z Basit
- Department of Mathematics & Statistics, Pir Mehr Ali Shah Arid Agriculture University, Rawalpindi-46300, Pakistan
| | - M Waseem
- Department of Biology, Allama Iqbal Open University, Islamabad-44000, Pakistan
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11
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Waseem M, McDonald C, Parish A. 311 Lactate and Lactate Clearance to Predict Mortality in Pediatric Sepsis: A Systematic Review and Diagnostic Meta-Analysis. Ann Emerg Med 2020. [DOI: 10.1016/j.annemergmed.2020.09.326] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/23/2022]
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12
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Muzammil S, Siddique MH, Mureed F, Andleeb R, Jabeen F, Waseem M, Zafar S, Rehman HF, Ali T, Ashraf A. Assessment of cadmium tolerance and biosorptive potential of Bacillus Cereus GCFSD01 isolated from cadmium contaminated soil. BRAZ J BIOL 2020; 81:398-405. [PMID: 32696847 DOI: 10.1590/1519-6984.227200] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/10/2019] [Accepted: 11/14/2019] [Indexed: 11/21/2022] Open
Abstract
Continuous occurrence of heavy metals is a major cause of environmental pollution due to its toxic effects. At minimum concentrations, these metals are highly reactive and can gather in the food chains and food web, causing major dangers to public health concerns. Soil samples were collected from Paharang drain, Faisalabad. Cadmium tolerant bacteria were isolated and evaluated for their MIC against Cd. The isolated bacterial strain GCFSD01 showed MIC value upto 30 mM/L. The bacterial strain with the highest resistance against Cd was selected for further study. Molecular characterization of bacterial isolate GCFSD01 was performed by 16S rRNA which confirmed it as Bacillus cereus. Optimum growth conditions of bacterial strain were also evaluated. Strain GCFSD01 showed optimum growth at pH 7 and 37 °C temperature. Our result revealed that B. cereus strain GCFSD01 reduced 61.3% Cd after 48 hrs. Multiple metal tolerance and Cd reduction by B. cereus indicate its potential for further use for decontamination of polluted soil.
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Affiliation(s)
- S Muzammil
- Department of Microbiology, Government College University Faisalabad, Faisalabad, Pakistan
| | - M H Siddique
- Department of Bioinformatics and Biotechnology, Government College University Faisalabad, Faisalabad, Pakistan
| | - F Mureed
- Department of Zoology, Government College University Faisalabad, Faisalabad, Pakistan
| | - R Andleeb
- Department of Zoology, Government College University Faisalabad, Faisalabad, Pakistan
| | - F Jabeen
- Department of Zoology, Government College University Faisalabad, Faisalabad, Pakistan
| | - M Waseem
- Department of Microbiology, Government College University Faisalabad, Faisalabad, Pakistan
| | - S Zafar
- Department of Botany, Government College University Faisalabad, Faisalabad, Pakistan
| | - H F Rehman
- Department of Zoology, Government College University Faisalabad, Faisalabad, Pakistan
| | - T Ali
- Department of Zoology, Government College University Faisalabad, Faisalabad, Pakistan
| | - A Ashraf
- Department of Zoology, Government College University Faisalabad, Faisalabad, Pakistan
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13
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Lokhande SP, Waseem M, Datir RP, Dhotre AV, Wasnik PG. Storage studies on textural aspects of selected Indian dairy products. IJDS 2020. [DOI: 10.33785/ijds.2020.v73i03.004] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/23/2022]
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14
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Waseem M, Umar Y, Epstein E, Rosario D, Leber M, Philbert R. 376 Attitudes Towards Pediatric Procedural Sedation. Ann Emerg Med 2019. [DOI: 10.1016/j.annemergmed.2019.08.337] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/26/2022]
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15
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Ishtiaq M, Waseem M, Mehmood R. MicroRNA Regulation Along the Course of Cellular Reprogramming to Pluripotency. Curr Mol Med 2018; 18:58-64. [PMID: 29663886 DOI: 10.2174/1566524018666180416102129] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/18/2017] [Revised: 04/01/2018] [Accepted: 04/11/2018] [Indexed: 11/22/2022]
Abstract
Generation of patient-specific stem cells has been a long-held aim of many developmental biologists. Apart from providing a source for stem cell therapies, these cells have the potential to be utilized in a number of scenarios like disease modeling, drug screening and studying normal development. Various approaches have been used to reprogram terminally differentiated cells to a pluripotent state with varying efficiencies and limitations. The nuclear transfer had been the most successful method for reprogramming until recently. Shinya Yamanaka in 2006 published a seminal study wherein, by using a cocktail of stem cell transcription factors famously called Yamanaka factors, the differentiated cells were reprogrammed to a pluripotent state. These cells, called induced pluripotent stem (iPS) cells, were later generated by various laboratories using a different combination of molecules. Importantly, induced pluripotency is a state that is achieved in a stepwise manner with landmark steps. Various molecules including microRNAs (miRNAs) are activated or repressed at these steps to ensure a successful transition to pluripotency. The precise regulation of miRNAs is important as they collectively regulate myriads of mRNAs representing specific pathways important for steering cellular fate towards stemness. Owing to their significance, miRNAs have been constituents of cocktails used for iPSCs generation. This review aims at discussing the stepwise regulation of miRNAs and their significance along the path to reprogramming.
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Affiliation(s)
- M Ishtiaq
- Western University, London, ON, Canada
| | - M Waseem
- Lawson Health Research Institute, St. Joseph Healthcare, Western University, London, ON, Canada.,Centre for Biotechnology & Microbiology, University of Swat, Swat, Pakistan
| | - R Mehmood
- Department of Life Science, College of Science & General Studies, Alfaisal University, Riyadh, Saudi Arabia.,Roswell Park Cancer Institute, Department of Pharmacology and Therapeutics, Buffalo, NY, United States
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16
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Sargazi N, Philpott M, Malik A, Waseem M. Ulna Autograft for Wrist Arthrodesis: A Novel Approach in Failed Wrist Arthoplasty. Open Orthop J 2017; 11:768-776. [PMID: 28979589 PMCID: PMC5620406 DOI: 10.2174/1874325001711010768] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 04/16/2017] [Revised: 06/09/2017] [Accepted: 07/18/2017] [Indexed: 12/29/2022] Open
Abstract
Rheumatoid arthritis is a polyarthropathy affecting approximately 1% of the population worldwide. Wrist involvement is observed around 75% of patients, resulting in substantial disability and morbidity. A multidisciplinary approach to management of such patients is undertaken to prevent disease progression, many go on to develop debilitating disease requiring surgical intervention. Total wrist arthroplasty and arthrodesis are the main options available for those with end-stage disease, with arthroplasty preferred due to its ability to preserve a good degree of wrist function. Where complications occur with total wrist arthroplasty, salvage surgery with arthrodesis can be considered, however this requires satisfactory bone stock to enable stable fusion of the joint following arthroplasty. We report our experience of Ulna strut allografts in wrist arthrodesis in the management of failed total wrist arthroplasty.
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Affiliation(s)
- Nastaran Sargazi
- Department of Trauma and Orthopaedics, Macclesfield District General Hospital, Macclesfield, UK
| | - M Philpott
- Department of Trauma and Orthopaedics, Macclesfield District General Hospital, Macclesfield, UK
| | - A Malik
- Department of Trauma and Orthopaedics, Macclesfield District General Hospital, Macclesfield, UK
| | - M Waseem
- Department of Trauma and Orthopaedics, Macclesfield District General Hospital, Macclesfield, UK
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Claessen FMAP, Stoop N, Doornberg JN, Guitton TG, van den Bekerom MPJ, Ring D, Chauhan A, Wahegaonkar A, Shafritz A, Garcia G A, Miller A, Barquet A, Kristan A, Apard T, Armstrong A, Berner A, Jubel A, Kreis B, Babis C, Sutker B, Sears B, Nolan B, Crist B, Cross B, Wills B, Barreto C, Ekholm C, Swigart C, Oliveira Miranda C, Manke C, Zalavras C, Goldfarb C, Cassidy C, Walsh C, Jones C, Garnavos C, Young C, Moreno-Serrano C, Lomita C, Klostermann C, van Deurzen D, Rikli D, Polatsch D, Beingessner D, Drosdowech D, Eygendaal D, Patel M, Brilej D, Walbeehm E, Ballas E, Ibrahim E, Melamed E, Stojkovska Pemovska E, Hofmeister E, Hammerberg E, Kaplan F, Suarez F, Fernandes C, Lopez-Gonzalez F, Walter F, Frihagen F, Kraan G, Kontakis G, Dyer G, Kohut G, Panagopoulos G, Hernandez G, Porcellini G, Bayne G, Merrell G, DeSilva G, Della Rocca G, Bamberger H, Broekhuyse H, Durchholz H, Kodde I, McGraw I, Harris I, Pountos I, Wiater J, Choueka J, Kazanjian J, Gillespie J, Biert J, Fanuele J, Johnson J, Greenberg J, Abrams J, Hall J, Fischer J, Scheer J, Itamura J, Capo J, Braman J, Rubio J, Ortiz J, Filho J, Nolla J, Abboud J, Conflitti J, Abzug J, Patiño J, Rodríguez Roiz J, Adams J, Bishop J, Kabir K, Chivers K, Prommersberger K, Egol K, Rumball K, Dickson K, Jeray K, Poelhekke L, Campinhos L, Mica L, Borris L, Adolfsson L, Schulte L, Elmans L, Lane L, Paz L, Taitsman L, Guenter L, Austin L, Waseem M, Palmer M, Abdel-Ghany M, Richard M, Rizzo M, Pirpiris M, Di Micoli M, Bonczar M, Loebenberg M, Richardson M, Mormino M, Menon M, Soong M, Wood M, Meylaerts S, Darowish M, Nancollas M, Prayson M, Grafe M, Kessler M, Kaminaris M, Pirela-Cruz M, Mckee M, Merchant M, Tyllianakis M, Shafi M, Powell A, Shortt N, Felipe N, Parnes N, Bijlani N, Elias N, Akabudike N, Rossiter N, Lasanianos N, Kanakaris N, Brink O, van Eerten P, Paladini P, Martineau P, Appleton P, Levin P, Althausen P, Evans P, Jebson P, Krause P, Schandelmaier P, Peters A, Dantuluri P, Blazar P, Andreas P, Inna P, Quell M, Ramli R, de Bedout R, Ranade A, Ashish S, Smith R, Babst R, Omid R, Buckley R, Jenkinson R, Gilbert R, Page R, Papandrea R, Zura R, Gray R, Wagenmakers R, Pesantez R, van Riet R, Calfee R, van Helden S, Bouaicha S, Kakar S, Kaplan S, Scott F, Kaar S, Mitchell S, Rowinski S, Dodds S, Kennedy S, Beldner S, Schepers T, Guitton T, Gosens T, Baxamusa T, Taleb C, Tosounidis T, Wyrick T, Begue T, DeCoster T, Dienstknecht T, Varecka T, Mittlmeier T, Fischer T, Chesser T, Omara T, Bafus T, Siff T, Havlicek T, Sabesan V, Nikolaou V, Philippe V, Giordano V, Vochteloo A, Batson W, Hammert W, Satora W, Weil Y, Ruch D, Marsh L, Swiontkowski M, Hurwit S. Interpretation of Post-operative Distal Humerus Radiographs After Internal Fixation: Prediction of Later Loss of Fixation. J Hand Surg Am 2016; 41:e337-e341. [PMID: 27522299 DOI: 10.1016/j.jhsa.2016.07.094] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 11/30/2015] [Revised: 04/17/2016] [Accepted: 07/13/2016] [Indexed: 02/02/2023]
Abstract
PURPOSE Stable fixation of distal humerus fracture fragments is necessary for adequate healing and maintenance of reduction. The purpose of this study was to measure the reliability and accuracy of interpretation of postoperative radiographs to predict which implants will loosen or break after operative treatment of bicolumnar distal humerus fractures. We also addressed agreement among surgeons regarding which fracture fixation will loosen or break and the influence of years in independent practice, location of practice, and so forth. METHODS A total of 232 orthopedic residents and surgeons from around the world evaluated 24 anteroposterior and lateral radiographs of distal humerus fractures on a Web-based platform to predict which implants would loosen or break. Agreement among observers was measured using the multi-rater kappa measure. RESULTS The sensitivity of prediction of failure of fixation of distal humerus fracture on radiographs was 63%, specificity was 53%, positive predictive value was 36%, the negative predictive value was 78%, and accuracy was 56%. There was fair interobserver agreement (κ = 0.27) regarding predictions of failure of fixation of distal humerus fracture on radiographs. Interobserver variability did not change when assessed for the various subgroups. CONCLUSIONS When experienced and skilled surgeons perform fixation of type C distal humerus fracture, the immediate postoperative radiograph is not predictive of fixation failure. Reoperation based on the probability of failure might not be advisable. TYPE OF STUDY/LEVEL OF EVIDENCE Diagnostic III.
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Affiliation(s)
- Femke M A P Claessen
- Orthopaedic Hand and Upper Extremity Service, Harvard Medical School, Massachusetts General Hospital, Boston, MA
| | - Nicky Stoop
- Orthopaedic Hand and Upper Extremity Service, Harvard Medical School, Massachusetts General Hospital, Boston, MA
| | - Job N Doornberg
- Orthotrauma Research Center Amsterdam, University of Amsterdam Orthopaedic Residency Program, Amsterdam, The Netherlands
| | - Thierry G Guitton
- Orthotrauma Research Center Amsterdam, University of Amsterdam Orthopaedic Residency Program, Amsterdam, The Netherlands
| | | | - David Ring
- Orthopaedic Hand and Upper Extremity Service, Harvard Medical School, Massachusetts General Hospital, Boston, MA.
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Wasnik PG, Nikam PB, Dhotre AV, Waseem M, Khodwe NM, Meshram BD. Physico-chemical and textural properties of Santra burfi as influenced by orange pulp content. J Food Sci Technol 2015; 52:1158-63. [PMID: 25694733 DOI: 10.1007/s13197-013-1044-5] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Revised: 03/14/2013] [Accepted: 06/04/2013] [Indexed: 11/28/2022]
Abstract
The burfi prepared with addition of orange pulp in sweetened khoa is popularly known as Santra burfi in Maharashtra and it has great commercial potential owing to its typical taste. The present investigation was carried out with a view to generate technological data, which is requisite in product standardization and mechanization. The santra burfi was prepared by varying the rates of orange pulp addition and was tested for various textural properties such as hardness, cohesiveness, gumminess, chewiness, adhesiveness and springiness with TA-XT2i Texture Analyzer using two-bite compression. The data of product composition and quantified properties were analyzed using correlation and regression techniques. The hardness was found to have positive correlation with proteins, fat and ash content while the moisture and level of orange pulp had negative correlation. Similar trends were observed for springiness, gumminess, chewiness and cohesiveness with the exception of ash. On the contrary, the mean adhesiveness showed negative correlation with protein, fat and ash content and shown positive correlation with moisture content and level of orange pulp. The regression equations were also fitted for explaining the interrelationships between the textural properties as functions of product composition.
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Affiliation(s)
- P G Wasnik
- Dairy Engineering Department, College of Dairy Technology, Warud, Pusad, 445 206 Distt. Yavatmal, Maharashtra India ; Dairy Engineering Section, NDRI (SRS), Adugodi, Bangalore, 560030 India
| | - P B Nikam
- Dairy Engineering Department, College of Dairy Technology, Warud, Pusad, 445 206 Distt. Yavatmal, Maharashtra India
| | - A V Dhotre
- Dairy Engineering Department, College of Dairy Technology, Warud, Pusad, 445 206 Distt. Yavatmal, Maharashtra India
| | - M Waseem
- Dairy Engineering Department, College of Dairy Technology, Warud, Pusad, 445 206 Distt. Yavatmal, Maharashtra India
| | - N M Khodwe
- Dairy Engineering Department, College of Dairy Technology, Warud, Pusad, 445 206 Distt. Yavatmal, Maharashtra India
| | - B D Meshram
- Dairy Engineering Department, College of Dairy Technology, Warud, Pusad, 445 206 Distt. Yavatmal, Maharashtra India
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Bidwai ASC, Marlow WJ, Khan Y, Waseem M. Five to eight years follow-up for trapeziectomy and Weilby ligament reconstruction for the treatment of trapeziometacarpal osteoarthritis. ACTA ACUST UNITED AC 2014; 18:369-73. [PMID: 24156580 DOI: 10.1142/s021881041350041x] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/18/2022]
Abstract
Trapeziectomy and Weilby ligament reconstruction is a recognized treatment for osteoarthritis of the trapeziometacarpal joint. Studies published using this procedure have limited follow-up post-surgery. In this series of 24 cases assessed objectively and 36 subjectively with a minimum follow-up of five years, patients continue to have pain relief and function comparable to the opposite non-operated hand. Patient satisfaction is high at 92% and the rate of complications is low. Despite these encouraging results the need for interposition arthroplasty and/or ligament reconstruction in addition to trapeziectomy alone is discussed.
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Affiliation(s)
- A S C Bidwai
- Mersey Deanery, Regatta Place, Summers Road, Brunswick Business Park, Liverpool L3 4BL, UK
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Hamayun M, Mahmood T, Naeem A, Muska M, Din SU, Waseem M. Equilibrium and kinetics studies of arsenate adsorption by FePO(4). Chemosphere 2014; 99:207-215. [PMID: 24280053 DOI: 10.1016/j.chemosphere.2013.10.075] [Citation(s) in RCA: 21] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/15/2013] [Revised: 10/12/2013] [Accepted: 10/14/2013] [Indexed: 06/02/2023]
Abstract
The present work is focusing on removal of arsenate from aqueous solution using FePO4. The equilibrium study regarding the removal of arsenic by FePO4 was carried out at 298, 308, 318 and 328K. Langmuir parameters were found to increase with the increase in temperature indicating that the adsorption is favorable at high temperature. Kinetic study of arsenate adsorption on FePO4 was also carried out at different temperatures and at pH 6 and 8. Different kinetic models were used to the kinetic data amongst which pseudo second order model was best fitted. The mechanism of the adsorption kinetics was investigated by employing intraparticle diffusion and Richenberg models. The energy of activation (Ea) was found to be 30 and 35.52kJmol(-1) at pH 6 and pH 8, respectively, suggesting chemisorption nature of the adsorption process. The negative entropic values of activation signified the existence of entropy barrier while the positive ΔG(#) values indicated the existence of energy barrier to be crossed over for the occurrence of a chemical reaction. Both the spectroscopic studies and increase in equilibrium pH reveal the anion exchange removal of arsenate from aqueous solution to the solid surface.
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Affiliation(s)
- M Hamayun
- National Centre of Excellence in Physical Chemistry, University of Peshawar, 25120 Peshawar, Pakistan
| | - T Mahmood
- National Centre of Excellence in Physical Chemistry, University of Peshawar, 25120 Peshawar, Pakistan
| | - A Naeem
- National Centre of Excellence in Physical Chemistry, University of Peshawar, 25120 Peshawar, Pakistan.
| | - M Muska
- National Centre of Excellence in Physical Chemistry, University of Peshawar, 25120 Peshawar, Pakistan
| | - S U Din
- National Centre of Excellence in Physical Chemistry, University of Peshawar, 25120 Peshawar, Pakistan
| | - M Waseem
- National Centre of Excellence in Physical Chemistry, University of Peshawar, 25120 Peshawar, Pakistan
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Josephson E, Teitell R, Prota D, Waseem M, Kornberg. R, Reynolds T. Childhood Obesity: Assessing the Parents’ Perceptions of Children’s Weight as a Health Risk. Ann Emerg Med 2013. [DOI: 10.1016/j.annemergmed.2013.07.481] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/24/2022]
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Abstract
Shoulder surgery has emerged from being a marginalised sub-speciality to being an area of much research and advancement within the last seventy years. This has been despite the complexity of the joint, and success majorly rests on parallel development of biomedical technology. This article looks at the past and present of shoulder surgery and discusses future directions in the speciality.
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Affiliation(s)
- S Iqbal
- Salford Royal NHS Foundation Trust, Stott Lane, Salford, M6 8HD, UK
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Waseem M, James J, Ayanruoh S, Quee F, Reynolds T, Leber M. 134 Is MRSA Coverage Considered When Treating Skin and Soft Tissue Infections in the Emergency Department? Ann Emerg Med 2012. [DOI: 10.1016/j.annemergmed.2012.06.111] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022]
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24
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Gedam DS, Waseem M, Chansoria M. Evaluation of physical growth and sexual maturation rating of Adolescent boys. J Nepal Paedtr Soc 2012. [DOI: 10.3126/jnps.v32i2.5601] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/18/2022] Open
Abstract
Introduction: The present study is an attempt to evaluate the incidence of malnutrition as well as obesity. We have evaluated physical growth and sexual maturity rating of 10-18 years adolescent boys–overweight Vs Normal Vs Underweight. Material and Methods: A random sample of 530 adolescent boys (one private English Medium and one Govt. Hindi Medium School) between the ages of 10-18 years during the period of August 2008 to August 2009 constituted the material for this study. Weight, Height and BMI and Sexual maturation rating (SMR) were calculated. Results: Nearly 39% of the adolescent boys studied were either underweight (31%) or overweight (8%). All overweight adolescent boys have their mean weight more as compared to WHO 50th centile. Normal weight and underweight adolescent boys have lesser mean weight as compared to WHO 50th centile. All overweight and normal weight adolescent boys have their mean height lesser as compared to WHO 50th centile. All underweight adolescent boys except for age group of 12 yr have their mean height lesser as compared to WHO 50th centile. Underweight boys achieved different stages of genital growth prior to normal weight and overweight boys but lag behind as compared to Tanner. It was obvious that underweight boys achieved different stages of pubic hair growth prior to normal weight and overweight boys. Conclusion: Present study indicates that incidence of overweight children is also increasing significantly. Adolescent psychological need should be assessed and they should be given knowledge regarding their normal sexual growth pattern to decrease their anxiety. J. Nepal Paediatr. Soc. 32(2) 2012 117-123 doi: http://dx.doi.org/10.3126/jnps.v32i2.5601
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Shah KH, Mustafa S, Waseem M, Naeem A. Chromium (III) removal by microporous ion exchanger Amberlite.120 (Na+): kinetic, equilibrium and thermodynamic studies. J IRAN CHEM SOC 2012. [DOI: 10.1007/s13738-012-0106-3] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 10/28/2022]
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Nazar M, Lipscombe S, Morapudi S, Tuvo G, Kebrle R, Marlow W, Waseem M. Percutaneous tennis elbow release under local anaesthesia. Open Orthop J 2012; 6:129-32. [PMID: 22509230 PMCID: PMC3322435 DOI: 10.2174/1874325001206010129] [Citation(s) in RCA: 15] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 12/01/2011] [Revised: 02/17/2012] [Accepted: 02/23/2012] [Indexed: 12/12/2022] Open
Abstract
Introduction: When the non-operative treatment of tennis elbow fails to improve the symptoms a surgical procedure can be performed. Many different techniques are available. The percutaneous release of the common extensor origin was first presented by Loose at a meeting in 1962. Despite the simplicity of the operation and its effectiveness in relieving pain with minimal scarring this procedure is still not widely accepted. This study presents the long-term results of percutaneous tennis elbow release in patients when conservative measures including local steroid injections have failed to relieve the symptoms. Patients and Methods: Percutaneous release of the extensor origin was performed in 24 consecutive patients (seven male and seventeen female), providing 30 elbows for this study. The age of the patients ranged from 26 to 71 years with mean age of 55 years. The technique involved a day case procedure in the operating theatre using local anaesthesia without the need for a tourniquet. The lateral elbow was infiltrated with 5mls 1% lignocaine and 5mls 0.5% bupivicaine with 1:200,000 adrenaline. All operations were performed by the senior author. The patients were assessed post operatively by using DASH (disabilities of arm, shoulder and hand) score and Oxford elbow scores. The mean follow up period was 36 months (1-71months). Results: Twenty one patients returned the DASH and Oxford elbow questionnaires. Four patients were lost in the follow up. The post operative outcome was good to excellent in most patients. Eighty seven percent of patients had complete pain relief. The mean post-op DASH score was 8.47 (range 0 to 42.9) and the mean Oxford elbow score was 42.8 (range 16 to 48). There were no complications reported. All the patients returned to their normal jobs, hobbies such as gardening, horse riding and playing musical instruments. Conclusion: In our experience Percutaneous release of the epicondylar muscles for humeral epicondylitis has a high rate of success, is relatively simple to perform, is done as a day case procedure and has been without complications. Percutaneous release is a viable treatment option after failed conservative management of tennis elbow.
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Affiliation(s)
- Ma Nazar
- Macclesfield District General Hospital, Victoria Road, Macclesfield, Cheshire, SK10 3BL, UK
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Affiliation(s)
- V Kapoor
- Department of Trauma and Orthopaedics Department of Thoracic Surgery Southampton University Hospital Tremona Road, Shirley Southampton SO16 6YD UK
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Josephson E, Willam A, Reynolds T, Kornberg R, Waseem M. 158: Social Worker Intervention for Detoxification Referral and Rate of Recurrence of Acute Alcohol- Intoxicated Patients Presenting to the Emergency Department. Ann Emerg Med 2010. [DOI: 10.1016/j.annemergmed.2010.06.205] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/26/2022]
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Mustafa S, Shah KH, Naeem A, Waseem M, Ahmad T, Sarfraz S, Irshad M. Kinetic and Equilibrium Studies of Chromium(III) Removal by Macroporous Ion Exchanger Amberlyst-15 (H+). CHINESE J CHEM 2010. [DOI: 10.1002/cjoc.201090031] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/11/2022]
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Naeem A, Saddique MT, Mustafa S, Tasleem S, Shah KH, Waseem M. Removal of Co2+ ions from aqueous solution by cation exchange sorption onto NiO. J Hazard Mater 2009; 172:124-128. [PMID: 19631452 DOI: 10.1016/j.jhazmat.2009.06.155] [Citation(s) in RCA: 15] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/23/2008] [Revised: 06/25/2009] [Accepted: 06/29/2009] [Indexed: 05/28/2023]
Abstract
Batch adsorption technique was used to study the adsorption of cobalt on NiO. The aim of this work was to examine the effect of pH, concentration and temperature on the ion exchange removal of Co2+ from aqueous solution by the NiO surface. We used Langmuir model to interpret the adsorption data. The Kurbatov-type plots were tested to determine the adsorption mechanism. The kinetics of Co2+ adsorption on NiO was best described by film diffusion model. A well-known thermodynamic equation was used to assess the enthalpy and entropy of the system. The thermodynamic data were indicative of the spontaneous nature of the endothermic sorption process of Co2+ onto the NiO.
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Affiliation(s)
- A Naeem
- National Center of Excellence in Physical Chemistry, University of Peshawar, Peshawar 25120, Pakistan.
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Nazar M, Mansingh R, Bassi R, Waseem M. Is there a Consensus in the Management of Distal Radial Fractures? Open Orthop J 2009; 3:96-9. [PMID: 20111611 PMCID: PMC2812873 DOI: 10.2174/1874325000903010096] [Citation(s) in RCA: 8] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 08/28/2009] [Revised: 10/08/2009] [Accepted: 10/09/2009] [Indexed: 11/22/2022] Open
Abstract
This unique postal survey was setup to assess the agreement on treatment options in displaced distal radius fractures and whether or not there existed a consensus amongst the surgeons contacted. With this in view we contacted 244 surgeons and 166 completed answers were received.We chose two common examples of displaced distal radius fractures. Case one was a 38 year old teacher with a closed, displaced extra-articular fracture (Frykman type II) of her left non-dominant hand and case two was a 42 year old carer, with a closed, displaced intra-articular fracture (Frykman type VII) of her right dominant wrist. There was a questionnaire included with these radiographs.In the first case, 82 (49%) surgeons favoured MUA + K-wiring, 47 (28%) favoured volar plating and 14 (8%) an external fixator. In the second case, 28 (17%) surgeons favoured MUA + K-wiring, 53 (32%) advocated volar plating and 33 (20%) an external fixator. Furthermore surgeons with specialist Upper limb interest were more likely to apply a volar plate (63% in either case) whilst the surgeons with general or other areas of expertise (18% in first case and 23% for second case).In conclusion there is no consensus among the Orthopaedic surgeons in treating displaced distal radial fractures. A multicentered randomized clinical trial would help elucidate the best treatment options.
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Affiliation(s)
- M.A Nazar
- Macclesfield District General Hospital, UK
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Waseem M. 147: Psychiatric Clearance in the Pediatric Emergency Department. Ann Emerg Med 2009. [DOI: 10.1016/j.annemergmed.2009.06.174] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
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Baquero A, Reynolds T, Waseem M, Leber M. 53: Does Sex Delay the Diagnosis of Appendicitis in Female Patients With Abdominal Pain? Ann Emerg Med 2009. [DOI: 10.1016/j.annemergmed.2009.06.074] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/17/2022]
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Mustafa S, Shah KH, Naeem A, Waseem M, Tahir M. Chromium (III) removal by weak acid exchanger Amberlite IRC-50 (Na). J Hazard Mater 2008; 160:1-5. [PMID: 18406054 DOI: 10.1016/j.jhazmat.2008.02.071] [Citation(s) in RCA: 20] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/28/2007] [Revised: 02/21/2008] [Accepted: 02/21/2008] [Indexed: 05/26/2023]
Abstract
Chromium (III) sorption on a weakly macroporous cation exchanger Amberlite IRC-50 (Na) is studied as a function of time and temperature. The rate constant values for chromium (III) sorption are calculated both for film and particle diffusion processes. The temperature is found to have a positive effect on both the diffusional processes. The high values of energy of activation confirm the particle diffusional nature of the process. The pH changes in the system show a competition between the Cr(OH)(2+) and H(+) ions for the exchange sites of the adsorbent. Equilibrium data are explained with the help of Langmuir equation. Various thermodynamic parameters (DeltaH degrees , DeltaS degrees and DeltaG degrees) from chromium (III) exchange on the resin are calculated.
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Affiliation(s)
- S Mustafa
- National Centre of Excellence in Physical Chemistry, University of Peshawar, Peshawar, Pakistan.
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Waseem M, Mansbach J, Clark S, Camargo C. 4: Prospective Multicenter Study of Bronchiolitis: Predictors of Relapse Following Treatment in the Emergency Department. Ann Emerg Med 2008. [DOI: 10.1016/j.annemergmed.2008.06.069] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/21/2022]
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Deshmukh S, Waseem M, Radeos M. Factors Associated with Lack of Empiric Antimicrobial Therapy in the ED for Females Testing Positive for Gonorrhea or Chlamydia: A Case Control Study. Acad Emerg Med 2007. [DOI: 10.1197/j.aem.2007.03.1244] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/10/2022]
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Kumar K, Waseem M. An adolescent with chest pain. South Med J 2007; 99:1402-3. [PMID: 17233205 DOI: 10.1097/01.smj.0000251328.45036.b1] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/25/2022]
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Guzman N, Ehsan K, Radeos M, Waseem M. 200. Ann Emerg Med 2006. [DOI: 10.1016/j.annemergmed.2006.07.656] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/24/2022]
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39
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Waseem M, Jimenez S, Louis-Paul R, Quinones L, Radeos M. 113. Ann Emerg Med 2006. [DOI: 10.1016/j.annemergmed.2006.07.917] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
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Bader M, Sanz L, Waseem M. Forearm fractures in children: single bone fixation with elastic stable intramedullary nailing in 20 cases. Injury 2006; 37:923-4; author reply 924-5. [PMID: 16872612 DOI: 10.1016/j.injury.2006.05.005] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 02/06/2006] [Accepted: 05/04/2006] [Indexed: 02/02/2023]
Affiliation(s)
- Mohammad Bader
- Department of Orthopaedic Surgery, East Cheshire NHS Trust, Macclesfield, Cheshire, United Kingdom
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Rohilla M, Saldanha K, Waseem M. Early versus delayed surgical treatment of open tibial fractures: effect on the rates of infection and need of secondary surgical procedures to promote bone union. Injury 2006; 37:85-6; author reply 86-7. [PMID: 16384557 DOI: 10.1016/j.injury.2005.06.059] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [What about the content of this article? (0)] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 05/03/2005] [Accepted: 06/21/2005] [Indexed: 02/02/2023]
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Saldanha KAN, Bokhari SA, Waseem M. First metatarsophalangeal joint arthrodesis: a new technique of internal fixation by using memory compression staples. J Foot Ankle Surg 2005; 44:313; author reply 313. [PMID: 16012443 DOI: 10.1053/j.jfas.2005.04.005] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 02/03/2023]
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Fischer J, Chee Y, Waseem M, Barnes K. IMHS in peritrochanteric fractures. Hip Int 2005; 15:27-32. [PMID: 28224579 DOI: 10.1177/112070000501500104] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 02/04/2023]
Abstract
Internal fixation of fractures of the proximal femur is one of the most common trauma operations in the UK. While stable fractures have been successfully treated with sliding hip screws for many years with a low rate of complications, there has been much debate about the right choice of implant for the treatment of unstable and sub-trochanteric fractures. We present a series of 45 patients with inter- and sub-trochanteric fractures and pathological lesions who were treated with the Intramedullary Hip Screw (IMHS). All notes and radiographs were reviewed and there was an emphasis on the quality of reduction and the position of the metalwork. The commonest postoperative complication was superior cut-out of the sliding screw in four patients (8.8%). Varus position after reduction and superior screw position were present in these patients. Two of the patients were converted to IMHS fixation after previous failure of dynamic hip screw (DHS)/dynamic condylar screw (DCS) fixation. All four patients were treated non-operatively until the fractures were healed. We conclude that IMHS fixation is a viable option for unstable and pathological inter- and sub-trochanteric fractures of the femur. Varus reduction and superior position of the sliding screw have to be avoided. In revision cases there is a high rate of failure. (Hip International 2005; 15: 27-32).
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Affiliation(s)
- J Fischer
- Macclesfield District General Hospital, Macclesfield - UK
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Khan M, Waseem M, Barnes K. Re: An outcome assessment of intra-articular calcaneal fractures, using patient and physician's assessment profiles. Injury 2005; 36:234-5. [PMID: 15589959 DOI: 10.1016/j.injury.2004.07.045] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 03/18/2004] [Indexed: 02/02/2023]
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Higgins GA, Sadiq S, Waseem M, Hirst P, Paul AS. Success of cannulated screw fixation of subcapital neck of femur fractures. Hip Int 2004; 14:244-248. [PMID: 28247399 DOI: 10.1177/112070000401400406] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 02/04/2023]
Abstract
In this study we retrospectively reviewed 251 patients who had internal fixation for neck of femur fracture using cannulated screws. Twenty were lost to follow-up or died soon after surgery. The fracture was displaced in 114 (49.9%) and undisplaced in 117 (50.6%) patients. There were 65 males and 171 females with an average age of 75.7 years. Average follow-up was 12 months. Of the 117 patients with undisplaced fractures 75 (64.1%) healed uneventfully. Further surgery was performed in 21 (17.9%) patients. In the 114 patients with displaced fractures, satisfactory reduction was achieved in 74 patients and of these 54 had good screw placement. Fifty-one (44.7%) patients healed uneventfully. Twenty-two (20%) of the 114 displaced fracture patients required further surgery. Forty (35%) had an unsatisfactory reduction and, of these, 26 (65%) had poor screw placement. Re-operation rates were 17.9% and 20% respectively. The rate of AVN was similar in both fracture types (10.3%-11%), but the rate of non-union was four times higher (2.6%-11.5%) in displaced subcapital fractures. The most important factors within the control of the surgeon that influence the rate of healing are adequate reduction and correct placement of the screws. In this series the reduction was unsatisfactory in 40 (35%) cases of the displaced NOF fractures, and the screws were incorrectly positioned in 46 (40.4%) of the 114 displaced fractures compared with 11 (9.4%) of the 117 undisplaced fractures. This highlights the importance of adequate reduction to enable correct screw placement in displaced fractures. (Hip International 2004; 14: 244-8).
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Affiliation(s)
- G A Higgins
- Department of Orthopaedic Surgery, Manchester Royal Infirmary, Manchester - UK
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Abstract
The sciatic nerve can be compressed by a variety of causes, while intervertebral disc herniation is the most common cause of sciatica [Surg. Neurol. 46 (1996) 14], other documented causes include, infection, neoplasm, degenerative disease of a spine, congenital anomalies and traumatic posterior hip dislocation [BMJ 287 (1983) 157]. Sciatic neuropathy in children is uncommon. We present an unusual case of sciatic nerve compression in a 14-year-old-girl that was caused by an avulsion fracture of the ischial tuberosity. The compression was relieved by surgical excision of the avulsed ischial tuberosity.
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Affiliation(s)
- A Dosani
- Department of Trauma and Orthopaedic Surgery, St. James's University Hospital, Beckett Street, Leeds LS9 7TF, UK
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Waseem M, Khanna AK, Dogra S, Kaw JL. Influence of colchicine on pulmonary silicotic fibrogenesis in rats. Indian J Exp Biol 2003; 41:1410-5. [PMID: 15320494] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 04/30/2023]
Abstract
With an aim to evaluate the antifibrotic action of colchicine in experimental model of pulmonary silicosis, the effect of colchicine on developing and developed pulmonary silicosis induced by quartz was studied in rats in vivo and on alveolar macrophages exposed to quartz particulates in vitro. A progressive increase in wet and dry weight of lungs exposed to quartz dust alone, and quartz dust and colchicine injected orally was investigated. An increase in collagen contents, with lapse in time, in animals exposed intratracheally to quartz dust, or exposed similarly to quartz dust but receiving colchicine simultaneously through oral route was observed. A blindfold evaluation of histological sections of lungs of silicotic animals with or without colchicine administration during development of lesions did not reveal any difference between two groups of silicotic rats. Administration of colchicine for 4 weeks after the lesions were developed neither inhibited nor retarded the laying down of collagen. The studies were extended to investigate the effect of colchicine on quartz-induced alveolar macrophage cytotoxicity. The presence of varying concentrations of colchicine in the culture medium did not significantly alter cytotoxic potential of quartz. The results reveal that colchicine administration during the development of and on developed silicosis does not significantly alter pathogenesis of silicotic lesions. At the cellular level colchicine does not modulate quartz-induced alveolar macrophage cytotoxicity, believed to be a significant event for the onset of pulmonary silicotic fibrogenesis.
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Affiliation(s)
- M Waseem
- Industrial Toxicology Research Centre, Lucknow 226 001, India.
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Waseem M. The use of subtalar arthroscopy in open reduction and internal fixation of intra-articular calcaneal fractures. Injury 2003; 34:475; author reply 476. [PMID: 12767800 DOI: 10.1016/s0020-1383(02)00315-7] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 02/02/2023]
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Waseem M. Endoscopic versus open carpal tunnel release in bilateral carpal tunnel syndrome. J Bone Joint Surg Br 2003; 85:620; author reply 620. [PMID: 12793577] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 03/02/2023]
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