22 research outputs found

    Factors associated with neonatal deaths in Chitwan district of Nepal

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    Background: Neonatal mortality has remained unchanged since 2006 in Nepal. Reducing neonatal mortality is indispensable to reduce child mortality. The objective of this study was to investigate the factors associated with neonatal mortality. This study assesses socio-demographic factors, maternal health care and newborn care practices contributing to neonatal deaths in Chitwan district of Central Nepal. Methods: A case–control study was conducted during April–July 2012. The study used a mixed-method approach, in which records of neonatal deaths were obtained from the District Public Health Office and a comparison group, survivors, was obtained from the same community. A total of 198 mothers (of 99 neonatal deaths and 99 survivor neonates) were included in the survey. Focus group discussions, in-depth interviews and case studies were also conducted. Maternal characteristics were analyzed using descriptive statistics, Mc Nemar’s Chi square test and multivariable backward conditional logistic regression analysis. Qualitative data were analyzed by narrative analysis method.Results: More than four-fifth of mothers (86 %) had antenatal check-up (ANC) and the proportion of four or more ANC was 64 %. Similarly, the percentage of mothers having institutional delivery was 62 %, and postnatal check-up was received by 65 % of mothers. In multivariable analysis, low birth weight [adjusted odds ratio: 8.49, 95 % CI (3.21–22.47)], applying nothing on cord [adjusted odds ratio: 5.72, 95 % CI (1.01-32.30)], not wrapping of newborn [adjusted odds ratio: 9.54, 95 % CI (2.03–44.73)], and no schooling of mother [adjusted odds ratio: 2.09, 95 % CI (1.07–4.11)] were significantly associated with an increased likelihood of neonatal mortality after adjusting for other confounding variables. Qualitative findings suggested that bathing newborns after 24 h and wrapping in clean clothes were common newborn care practices. The mothers only attended postnatal care services if health problems appeared either in the mother or in the child. Conclusion:L Results of this study suggest that the current community based newborn survival intervention should provide an even greater focus to essential newborn care practices, low birth weight newborns, and female education

    The global burden of cancer attributable to risk factors, 2010-19: a systematic analysis for the Global Burden of Disease Study 2019

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    Pooled analysis of WHO Surgical Safety Checklist use and mortality after emergency laparotomy

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    Background The World Health Organization (WHO) Surgical Safety Checklist has fostered safe practice for 10 years, yet its place in emergency surgery has not been assessed on a global scale. The aim of this study was to evaluate reported checklist use in emergency settings and examine the relationship with perioperative mortality in patients who had emergency laparotomy. Methods In two multinational cohort studies, adults undergoing emergency laparotomy were compared with those having elective gastrointestinal surgery. Relationships between reported checklist use and mortality were determined using multivariable logistic regression and bootstrapped simulation. Results Of 12 296 patients included from 76 countries, 4843 underwent emergency laparotomy. After adjusting for patient and disease factors, checklist use before emergency laparotomy was more common in countries with a high Human Development Index (HDI) (2455 of 2741, 89.6 per cent) compared with that in countries with a middle (753 of 1242, 60.6 per cent; odds ratio (OR) 0.17, 95 per cent c.i. 0.14 to 0.21, P <0001) or low (363 of 860, 422 per cent; OR 008, 007 to 010, P <0.001) HDI. Checklist use was less common in elective surgery than for emergency laparotomy in high-HDI countries (risk difference -94 (95 per cent c.i. -11.9 to -6.9) per cent; P <0001), but the relationship was reversed in low-HDI countries (+121 (+7.0 to +173) per cent; P <0001). In multivariable models, checklist use was associated with a lower 30-day perioperative mortality (OR 0.60, 0.50 to 073; P <0.001). The greatest absolute benefit was seen for emergency surgery in low- and middle-HDI countries. Conclusion Checklist use in emergency laparotomy was associated with a significantly lower perioperative mortality rate. Checklist use in low-HDI countries was half that in high-HDI countries.Peer reviewe

    Smart nanocrystals of artemether: fabrication, characterization, and comparative in vitro and in vivo antimalarial evaluation

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    Syed Muhammad Hassan Shah,1 Farhat Ullah,2 Shahzeb Khan,2,3 Syed Muhammad Mukarram Shah,4 Marcel de Matas,5 Zahid Hussain,6 Muhammad Usman Minhas,7 Naser M AbdEl-Salam,8 Khaled Hafez Assi,3 Mohammad Isreb3 1Department of Pharmacy, Sarhad University of Science &amp; Information Technology, Peshawar, 2Department of Pharmacy, University of Malakand, Chakdara, Pakistan; 3Institute of Life Sciences Research, School of Pharmacy, University of Bradford, West Yorkshire, 4Department of Pharmacy, University of Swabi, KPK, Pakistan; 5SEDA Pharmaceutical Development Services, The BioHub at Alderley Park, Cheshire, UK; 6Faculty of Pharmacy, Department of Pharmaceutics, Universiti Teknologi MARA, Selangor, Malaysia; 7Faculty of Pharmacy &amp; Alternative Medicine, The Islamia University of Bahawalpur Pakistan, Bahawalpur, Pakistan; 8Riyadh Community College, King Saud University, Riyadh, Saudi Arabia Abstract: Artemether (ARTM) is a very effective antimalarial drug with poor solubility and consequently low bioavailability. Smart nanocrystals of ARTM with particle size of 161&plusmn;1.5&nbsp;nm and polydispersity index of 0.172&plusmn;0.01 were produced in &lt;1&nbsp;hour using a wet milling technology, Dena&reg; DM-100. The crystallinity of the processed ARTM was confirmed using differential scanning calorimetry and powder X-ray diffraction. The saturation solubility of the ARTM nanocrystals was substantially increased to 900&nbsp;&micro;g/mL compared to the raw ARTM in water (145.0&plusmn;2.3&nbsp;&micro;g/mL) and stabilizer solution (300.0&plusmn;2.0&nbsp;&micro;g/mL). The physical stability studies conducted for 90&nbsp;days demonstrated that nanocrystals stored at 2&deg;C&ndash;8&deg;C and 25&deg;C were very stable compared to the samples stored at 40&deg;C. The nanocrystals were also shown to be stable when processed at acidic pH (2.0). The solubility and dissolution rate of ARTM nanocrystals were significantly increased (P&lt;0.05) compared to those of its bulk powder form. The results of in vitro studies showed significant antimalarial effect (P&lt;0.05) against Plasmodium falciparum and Plasmodium vivax. The IC50 (median lethal oral dose) value of ARTM nanocrystals was 28- and 54-fold lower than the IC50 value of unprocessed drug and 13- and 21-fold lower than the IC50 value of the marketed tablets, respectively. In addition, ARTM nanocrystals at the same dose (2&nbsp;mg/kg) showed significantly (P&lt;0.05) higher reduction in percent parasitemia (89%) against P. vivax compared to the unprocessed (27%), marketed tablets (45%), and microsuspension (60%). The acute toxicity study demonstrated that the LD50 value of ARTM nanocrystals is between 1,500&nbsp;mg/kg and 2,000&nbsp;mg/kg when given orally. This study demonstrated that the wet milling technology (Dena&reg; DM-100) can produce smart nanocrystals of ARTM with enhanced antimalarial activities. Keywords: artemether, milling, smart nanocrystals, nanosuspension, in vitro dissolution, antimalarial activit
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