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      • The mediterranean diet’s effect on stroke risk

        Zain Qureshi(Zain Qureshi ),Dolores Becker(Dolores Becker ),Umar Farooq(Umar Farooq ) 한국축산식품학회 2022 Food and Life Vol.2022 No.2

        The Mediterranean diet has been growing in popularity as preventive medicine has made way in the healthcare community. Doctors are telling patients to adopt this diet due to its role in lowering stroke rates and other cardiovascular diseases in both Italy and Greece. These two countries have some of the lowest stroke numbers in the world, and experts believe this is the result of the diet and lifestyle of the people of that region. The diet includes foods such as fruits, vegetables, nuts, fish, and olive oil, along with less cholesterol, saturated fats, and trans fats. These specific foods and combinations of foods include properties that can prevent high blood pressure. We will explore the capabilities of the Mediterranean diet in preventing stroke, and the importance of preventive medicine in healthcare.

      • KCI등재

        A Meta-analysis: Shape of Age Effects and Second Language Grammar Acquisition

        Muhammad Asif Qureshi 아시아영어교육학회 2021 The Journal of Asia TEFL Vol.18 No.2

        This study reports findings of a meta-analysis on the effects of the age of first exposure, known as the age of onset (AO), on the acquisition of morphosyntax in a second language (L2). Several studies report restrictive effects of AO on L2 grammar acquisition (Abrahamsson, 2012; DeKeyser et al., 2010; Qureshi, 2016); however, there is a disagreement about the way sensitivity to second language acquisition declines (Birdsong, 2009; Long, 2013). Researchers disagree about the nature of the decline and argue whether the decrease that occurs in learners’ ultimate proficiency in the second language is gradual and continuous or gradual but followed by a plateau, without further decline. To explore the nature of AO, 29 samples from 14 studies were analyzed. The results revealed a large effect size1 (d = 1.13, SD = .06) for the impact of AO on ultimate proficiency in L2 morphosyntax. However, for the disaggregated data (i.e., when earlier & late learners are separated), a linear decline was observed for the 6 to 16 age-group (21 samples), while a flattening of the regression line was detected for the 17 to 24 age-group (8 samples). More importantly, the findings revealed two different shapes of decline based on participants’ first language and the target L2. Overall, the findings support a bounded critical period for second language acquisition and indicate the typological distance between the two languages as a major influencing factor.

      • 곰팡이독소의 안전 한계치는 얼마인가

        Qureshi A.A. 대한양계협회 1991 월간 양계 Vol.23 No.5

        '곰팡이 독소에 있어서는 안전 한계치란 허용될 수 없다. 각국별로 곰팡이독소 오염 한계치를 설정해놓고 있고 우리나라도 원료곡물에 50ppb, 사료에 20ppb로 설정되어 있지만 이는 원료곡물의 수입상의 문제점 등에 의해 설정된 최대허용치이지 절대 안전 영역은 아니다. 곰팡이독소에 대한 공통된 잘못된 인식은 사료에 항곰팡이제를 첨가함으로써 곰팡이독소 문제가 막아질 수 있다는 생각이다. 일단 한번 형성된 독소들은 독소흡착제거제의 사용을 제외하고는 현재 이용가능한 방법들로는 곰팡이독소를 파괴하거나 무독화시킬 수가 없다. 곰팡이독소 오염과 대응방법에 대한 인식의 제고가 절실하다.'

      • Gleason's Grading of Prostatic Adenocarcinoma: Inter-Observer Variation Among Seven Pathologists at a Tertiary Care Center in Oman

        Qureshi, Asim,Lakhtakia, Ritu,Bahri, Maiya AL,Haddabi, Ibrahim Al,Saparamadu, Anna,Shalaby, Asem,Riyami, Marwa Al,Rizvi, Gauhar Asian Pacific Journal of Cancer Prevention 2016 Asian Pacific journal of cancer prevention Vol.17 No.11

        Prostatic adenocarcinoma is the commonest solid malignancy seen in Omani elderly males 60-80 years of age. The Gleason grade is the most widely used grading system for prostatic carcinoma and is recommended by the World Health Organization. A peer review was carried out at the Pathology Department of Sultan Qaboos University Hospital (SQUH), Oman, to assess the quality of reporting at the center. The aim of this study was to determine inter-observer variation among 7 pathologists working at a tertiary care center in Oman. A total of 47 consecutive prostatic biopsies were interdependently reviewed by seven pathologists and the results obtained were compared with each other and the original diagnosis. This peer review indicated a fair inter-observer agreement (0.482) among 7 pathologists in the department, with fair to moderate agreement when the results were compared to the reported diagnosis, comparable to the published literature. Dual and sub-specialty reporting are being instituted to improve the performance in this vital aspect of pathology.

      • Quantitative Analyses of Esophageal Cancer Research in Pakistan

        Qureshi, Muhammad Asif,Khan, Saeed,Ujjan, Ikram Din,Iqbal, Asif,Khan, Ramsha,Khan, Bilal Ahmed Asian Pacific Journal of Cancer Prevention 2016 Asian Pacific journal of cancer prevention Vol.17 No.7

        Background: Health-care research is a neglected discipline in Pakistan and research related to esophageal cancer (ranks 9th in Pakistani males and 5th in females) is no exception in this regard. Particularly, there are no data available to delineate the overall status of esophageal cancer epidemiological studies in Pakistan. This study describes the first ever effort to make a systematic quantification, in an attempt to provide a road-map to all stakeholders for designing appropriate epidemiological, diagnostic and therapeutic strategies. Materials and Methods: International (PubMed, ISI Web of Knowledge) and local (PakMedinet) scientific databases as well as Google search engine were searched using specified keywords to extract relevant publication. Well-defined inclusion criteria were implemented to select publications for final analyses. All data were recorded by at least 3 authors and consensus data were entered into and analyzed for descriptive statistics (such as frequencies, percentages and annual growth rates) using Microsoft Excel and SPSS software. Results: A total of 79 publications fulfilled the inclusion criteria including 20 publications for which full texts were not available. Of the 79 publications, 59 (74.6%) were original/research publications, 5 (6.3%) were case reports, 4 (5.1%) were research communications, 2 (2.5%) were review articles, 1 was (1.2%) correspondence and 8 (10.1%) were undefined categories. Only 13 (<20%) cities of Pakistan contributed towards the 79 publications. On average, only 1.9 relevant publications/year were published from 1976 (year of first publication) to the present. Alarmingly, a decline in the annual growth at -4.1% was recorded in the last six years. Conclusions: Esophageal cancer research is largely unfathomed in Pakistan. Urgent/dramatic steps are required by all concerned to address this common (and under reported) cancer of Pakistan.

      • Influence of Epidural Ropivacaine with or without Dexmedetomidine on Postoperative Analgesia and Patient Satisfaction after Thoraco-Lumbar Spine Instrumentation: A Randomized, Comparative, and Double-Blind Study

        Qureshi Faisal,Meena Shyam Charan,Kumar Vishal,Jain Kajal,Chauhan Rajeev,Luthra Ankur 대한척추외과학회 2021 Asian Spine Journal Vol.15 No.3

        Study Design: This was a prospective, randomized, and double-blind study. Purpose: Thoraco-lumbar spine surgery is associated with severe postoperative pain and can cause chronic pain. We aimed to compare the impact of epidural ropivacaine with and without dexmedetomidine on postoperative analgesia after thoracolumbar spine instrumentation wherein an epidural catheter was placed by the surgeon intraoperatively. Overview of Literature: Very few studies have reported the use of epidural dexmedetomidine in spine surgeries. When used via the epidural route, dexmedetomidine is safe and efficacious and is associated with reduced rescue analgesia consumption, increased duration of analgesia, reduced pain scores, but not with major hemodynamic adverse effects. Methods: Total 60 American Society of Anesthesiologists I–III adult patients aged 18–65 years who were scheduled to undergo thoraco-lumbar spine instrumentation were randomly allocated into group RD (epidural ropivacaine+dexmedetomidine) or group R (epidural ropivacaine plus saline). We aimed to compare the total rescue analgesic consumption on postoperative day 0, 1, and 2. Moreover, we studied the time to first rescue analgesia with visual analogue scale score <4 and the overall patient satisfaction scores. Results: There was no difference between the demographic characteristics of the two groups. The mean value of total rescue analgesia consumption was 162.5±68.4 mg in the RD group and 247.5±48.8 mg in the R group. The mean time to first rescue analgesia was 594.6±83.0 minutes in the RD group and 103.6±53.2 minutes in the R group. The mean patient satisfaction score was 4.2±0.7 in the RD group and 3.2±0.6 in the R group. No patient had any respiratory depression or prolonged motor blockade during the postoperative period. Conclusions: This study demonstrated the superior efficacy, in terms of postoperative analgesia and patient satisfaction scores, of epidural ropivacaine plus dexmedetomidine over that of ropivacaine alone in patients undergoing surgery for thoraco-lumbar spine.

      • SCIESCOPUSKCI등재

        Study of Factors Leading to Seasonality of Reproduction in Dairy Buffaloes. II. Non-Nutritional Factors

        Qureshi, M.S.,Habib, G.,Samad, H.A.,Lodhi, L.A.,Usmani, R.H. Asian Australasian Association of Animal Productio 1999 Animal Bioscience Vol.12 No.7

        Fifth one Nili-Ravi dairy buffaloes in their last two months of gestation, were selected in NWFP Pakistan. Rectal palpation was carried out fortnightly, until the occurrence of first estrus. Ovulation was confirmed per rectum and milk progesterone levels (MPL). Body condition score (BCS)was recorded weekly. Milk samples were collected weekly for MPL and blood samples fortnightly for metabolites analysis. Milk yield was recorded and samples were collected for milk fat. The buffaloes calving during the normal breeding season (NBS, August to January)had short (p<0.01) postpartum estrus interval of $55.95{\pm}4.90$ days versus $91.15{\pm}11.61 $ days in the buffaloes calving during the low breeding season (LBS, February to July). MPL in the LBS calvers remained lower than NBS calves (p<0.01). The incidence of silent ovulation was higher during LBS as compared to NBS (70.6% versus 29.4%). MPL showed a pattern opposite to atmospheric temperature. In NBS calvers serum glucose levels were higher (p<0.01) and magnesium levels were lower (p<0.01) than LBS calvers. Higher serum urea was found in summer and spring than that autumn and winter (p<0.05). The reproductive performance in buffaloes calving in the LBS coincided with a low BCS (p<0.01). Fat corrected milk production (FCM) was higher in NBS than LBS (p<0.01) calvers.

      • SCIESCOPUSKCI등재

        Study on Factors Leading to Seasonality of Reproduction in Dairy Buffaloes. I. Nutritional Factors

        Qureshi, M.S.,Samad, H.A.,Habib, G.,Usmani, R.H.,Siddiqui, M.M. Asian Australasian Association of Animal Productio 1999 Animal Bioscience Vol.12 No.7

        Fifth one Nili-Ravi dairy buffaloes were studied in North-west Frontier Province of Pakistan. Rectal examination of reproductive organs was carried out on days 14 and 21 and then fortnightly. Milk samples were collected and analyzed for progesterone levels (MPL). Feed samples were collected fortnightly and analyzed. The buffaloes calving during the normal breeding season (NBS, August to January) (p<0.01) postpartum estrus interval of 55.95 days versus 91.15 days in those calving during the low breeding season (LBS, February to July). MPL in the LBS remained lower than the NBS (p<0.01). Shortest postpartum ovulation interval was noted during autumn(August to October), followed by winter (November to January), summer (May to July) and spring (February to April). The incidence of silent ovulations was during LBS than NBS (70.6% versus 29.4%). In autumn there was minimum intake of crude protein (CPI) and maximum intake of metabolizable energy (MEI, p<0.01). Calcium intake was higher in NBS than LBS calving buffaloes (p<0.01). Phosphorus, copper and magnesium intake was lower (p<0.05) and zinc intake was higher (p<0.01) in autumn, It was (p<0.05) and zinc intake was higher (p<0.01) in autumn, It was concluded that onset of breeding season was associated with increasing MEI and decreasing CPI and minerals intake.

      • SCIESCOPUSKCI등재

        An autonomous synchronized switch damping on inductance and negative capacitance for piezoelectric broadband vibration suppression

        Qureshi, Ehtesham Mustafa,Shen, Xing,Chang, Lulu The Korean Society for Aeronautical and Space Scie 2016 International Journal of Aeronautical and Space Sc Vol.17 No.4

        Synchronized switch damping (SSD) is a structural vibration control technique in which a piezoelectric patch attached to or embedded into the structure is connected to or disconnected from the shunt circuit in order to dissipate the vibration energy of the host structure. The switching process is performed by a digital signal processor (DSP) which detects the displacement extrema and generates a command to operate the switch in synchronous with the structure motion. Recently, autonomous SSD techniques have emerged in which the work of DSP is taken up by a low pass filter, thus making the whole system autonomous or self-powered. The control performance of the previous autonomous SSD techniques heavily relied on the electrical quality factor of the shunt circuit which limited their damping performance. Thus in order to reduce the influence of the electrical quality factor on the damping performance, a new autonomous SSD technique is proposed in this paper in which a negative capacitor is used along with the inductor in the shunt circuit. Only a negative capacitor could also be used instead of inductor but it caused saturation of negative capacitor in the absence of an inductor due to high current generated during the switching process. The presence of inductor in the shunt circuit of negative capacitor limits the amount of current supplied by the negative capacitance, thus improving the damping performance. In order to judge the control performance of proposed autonomous SSDNCI, a comparison is made between the autonomous SSDI, autonomous SSDNC and autonomous SSDNCI techniques for the control of an aluminum cantilever beam subjected to both single mode and multimode excitation. A value of negative capacitance slightly greater than the piezoelectric patch capacitance gave the optimum damping results. Experiment results confirmed the effectiveness of the proposed autonomous SSDNCI technique as compared to the previous techniques. Some limitations and drawbacks of the proposed technique are also discussed.

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