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Publisher: Medknow Publishers   (Total: 425 journals)

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Showing 1 - 200 of 425 Journals sorted alphabetically
Acta Medica Intl.     Open Access   (SJR: 0.101, CiteScore: 0)
Advanced Arab Academy of Audio-Vestibulogy J.     Open Access  
Advanced Biomedical Research     Open Access  
Advances in Human Biology     Open Access   (Followers: 4)
Advances in Skeletal Muscle Function Assessment     Open Access  
African J. for Infertility and Assisted Conception     Open Access   (Followers: 1)
African J. of Medical and Health Sciences     Open Access   (Followers: 3)
African J. of Paediatric Surgery     Open Access   (Followers: 7, SJR: 0.25, CiteScore: 1)
African J. of Trauma     Open Access   (Followers: 1)
Ain-Shams J. of Anaesthesiology     Open Access   (Followers: 2)
Al-Azhar Assiut Medical J.     Open Access   (Followers: 2)
Al-Basar Intl. J. of Ophthalmology     Open Access   (Followers: 1)
Alexandria J. of Pediatrics     Open Access   (Followers: 1)
Ancient Science of Life     Open Access   (Followers: 5)
Anesthesia : Essays and Researches     Open Access   (Followers: 10)
Annals of African Medicine     Open Access   (Followers: 2, SJR: 0.258, CiteScore: 1)
Annals of Bioanthropology     Open Access   (Followers: 5)
Annals of Cardiac Anaesthesia     Open Access   (Followers: 14, SJR: 0.308, CiteScore: 1)
Annals of Indian Academy of Neurology     Open Access   (Followers: 3, SJR: 0.434, CiteScore: 1)
Annals of Indian Academy of Otorhinolaryngology Head and Neck Surgery     Open Access  
Annals of Indian Psychiatry     Open Access  
Annals of Maxillofacial Surgery     Open Access   (Followers: 6)
Annals of Medical and Health Sciences Research     Open Access   (Followers: 7)
Annals of Nigerian Medicine     Open Access   (Followers: 1)
Annals of Pediatric Cardiology     Open Access   (Followers: 12, SJR: 0.352, CiteScore: 1)
Annals of Saudi Medicine     Open Access   (SJR: 0.238, CiteScore: 1)
Annals of Thoracic Medicine     Open Access   (Followers: 6, SJR: 0.524, CiteScore: 1)
Annals of Tropical Medicine and Public Health     Open Access   (Followers: 13, SJR: 0.152, CiteScore: 0)
Annals of Tropical Pathology     Open Access  
Apollo Medicine     Open Access  
APOS Trends in Orthodontics     Open Access   (Followers: 1)
Arab J. of Interventional Radiology     Open Access   (Followers: 1)
Archives of Cardiovascular Imaging     Open Access   (Followers: 2, SJR: 0.187, CiteScore: 0)
Archives of Intl. Surgery     Open Access   (Followers: 10, SJR: 0.302, CiteScore: 1)
Archives of Medicine and Health Sciences     Open Access   (Followers: 4)
Archives of Medicine and Surgery     Open Access  
Archives of Pharmacy Practice     Open Access   (Followers: 11, SJR: 0.102, CiteScore: 0)
Archives of Trauma Research     Open Access   (Followers: 3, SJR: 0.37, CiteScore: 2)
Asia Pacific J. of Clinical Trials : Nervous System Diseases     Open Access  
Asia-Pacific J. of Oncology Nursing     Open Access   (Followers: 5)
Asian J. of Andrology     Open Access   (Followers: 1, SJR: 0.856, CiteScore: 2)
Asian J. of Neurosurgery     Open Access   (Followers: 2)
Asian J. of Oncology     Open Access   (Followers: 2)
Asian J. of Transfusion Science     Open Access   (Followers: 1, SJR: 0.35, CiteScore: 1)
Asian Pacific J. of Reproduction     Open Access   (SJR: 0.227, CiteScore: 1)
Asian Pacific J. of Tropical Biomedicine     Open Access   (Followers: 2, SJR: 0.491, CiteScore: 2)
Asian Pacific J. of Tropical Medicine     Open Access   (Followers: 1, SJR: 0.561, CiteScore: 2)
Astrocyte     Open Access  
Avicenna J. of Medicine     Open Access   (Followers: 1)
AYU : An international quarterly journal of research in Ayurveda     Open Access   (Followers: 6)
Benha Medical J.     Open Access  
Biomedical and Biotechnology Research J.     Open Access   (Followers: 1)
BLDE University J. of Health Sciences     Open Access  
Brain Circulation     Open Access   (Followers: 1)
Bulletin of Faculty of Physical Therapy     Open Access   (Followers: 2)
Canadian J. of Rural Medicine     Full-text available via subscription   (Followers: 1, SJR: 0.202, CiteScore: 0)
Cancer Translational Medicine     Open Access   (Followers: 2)
Cardiology Plus     Open Access   (Followers: 1)
Chinese Medical J.     Open Access   (Followers: 10, SJR: 0.52, CiteScore: 1)
CHRISMED J. of Health and Research     Open Access   (Followers: 2)
Clinical Cancer Investigation J.     Open Access  
Clinical Dermatology Review     Open Access   (Followers: 4)
Clinical Trials in Degenerative Diseases     Open Access  
Clinical Trials in Orthopedic Disorders     Open Access   (Followers: 1)
Community Acquired Infection     Open Access  
Conservation and Society     Open Access   (Followers: 8, SJR: 0.811, CiteScore: 2)
Contemporary Clinical Dentistry     Open Access   (Followers: 5, SJR: 0.353, CiteScore: 1)
Current Medical Issues     Open Access   (Followers: 2)
CytoJ.     Open Access   (Followers: 2, SJR: 0.543, CiteScore: 1)
Delta J. of Ophthalmology     Open Access  
Dental Hypotheses     Open Access   (Followers: 4, SJR: 0.152, CiteScore: 0)
Dental Research J.     Open Access   (Followers: 13, SJR: 0.416, CiteScore: 1)
Dentistry and Medical Research     Open Access   (Followers: 1)
Digital Medicine     Open Access  
Drug Development and Therapeutics     Open Access  
Education for Health     Open Access   (Followers: 7, SJR: 0.242, CiteScore: 0)
Egyptian J. of Bronchology     Open Access  
Egyptian J. of Cardiothoracic Anesthesia     Open Access  
Egyptian J. of Cataract and Refractive Surgery     Open Access   (Followers: 1, SJR: 1.799, CiteScore: 2)
Egyptian J. of Chest Diseases and Tuberculosis     Open Access   (Followers: 3, SJR: 0.155, CiteScore: 0)
Egyptian J. of Dermatology and Venerology     Open Access   (Followers: 1)
Egyptian J. of Haematology     Open Access   (Followers: 1)
Egyptian J. of Internal Medicine     Open Access   (Followers: 1)
Egyptian J. of Obesity, Diabetes and Endocrinology     Open Access   (Followers: 1)
Egyptian J. of Otolaryngology     Open Access   (Followers: 2)
Egyptian J. of Psychiatry     Open Access   (Followers: 1)
Egyptian J. of Surgery     Open Access   (Followers: 1)
Egyptian Nursing J.     Open Access  
Egyptian Orthopaedic J.     Open Access   (Followers: 2)
Egyptian Pharmaceutical J.     Open Access   (Followers: 3)
Egyptian Retina J.     Open Access  
Egyptian Rheumatology and Rehabilitation     Open Access   (Followers: 2)
Endodontology     Open Access  
Endoscopic Ultrasound     Open Access   (SJR: 0.822, CiteScore: 2)
Environmental Disease     Open Access   (Followers: 4)
Eurasian J. of Pulmonology     Open Access  
European J. of Dentistry     Open Access   (Followers: 4, SJR: 0.749, CiteScore: 2)
European J. of General Dentistry     Open Access   (Followers: 2, SJR: 0.12, CiteScore: 0)
European J. of Prosthodontics     Open Access   (Followers: 4)
European J. of Psychology and Educational Studies     Open Access   (Followers: 11, SJR: 0.113, CiteScore: 0)
Fertility Science and Research     Open Access  
Formosan J. of Surgery     Open Access   (SJR: 0.112, CiteScore: 0)
Genome Integrity     Open Access   (Followers: 2, SJR: 0.153, CiteScore: 0)
Glioma     Open Access  
Global J. of Transfusion Medicine     Open Access   (Followers: 1)
Gynecology and Minimally Invasive Therapy     Open Access   (SJR: 0.311, CiteScore: 1)
Hamdan Medical J.     Open Access  
Heart and Mind     Open Access  
Heart India     Open Access   (Followers: 2)
Heart Views     Open Access   (Followers: 2)
Hepatitis B Annual     Open Access   (Followers: 3)
Ibnosina J. of Medicine and Biomedical Sciences     Open Access   (Followers: 1)
IJS Short Reports     Open Access  
Imam J. of Applied Sciences     Open Access  
Indian Dermatology Online J.     Open Access   (Followers: 3)
Indian J. of Allergy, Asthma and Immunology     Open Access   (Followers: 1)
Indian J. of Anaesthesia     Open Access   (Followers: 7, SJR: 0.478, CiteScore: 1)
Indian J. of Burns     Open Access   (Followers: 2)
Indian J. of Cancer     Open Access   (Followers: 1, SJR: 0.361, CiteScore: 1)
Indian J. of Cerebral Palsy     Open Access   (Followers: 1)
Indian J. of Community Medicine     Open Access   (Followers: 2, SJR: 0.37, CiteScore: 1)
Indian J. of Dental Research     Open Access   (Followers: 5, SJR: 0.266, CiteScore: 1)
Indian J. of Dental Sciences     Open Access  
Indian J. of Dentistry     Open Access   (Followers: 1)
Indian J. of Dermatology     Open Access   (Followers: 2, SJR: 0.468, CiteScore: 1)
Indian J. of Dermatology, Venereology and Leprology     Open Access   (Followers: 4, SJR: 0.445, CiteScore: 1)
Indian J. of Dermatopathology and Diagnostic Dermatology     Open Access  
Indian J. of Drugs in Dermatology     Open Access   (Followers: 1, SJR: 0.791, CiteScore: 1)
Indian J. of Endocrinology and Metabolism     Open Access   (Followers: 4, SJR: 0.568, CiteScore: 1)
Indian J. of Health Sciences and Biomedical Research KLEU     Open Access   (Followers: 3)
Indian J. of Medical and Paediatric Oncology     Open Access   (SJR: 0.425, CiteScore: 1)
Indian J. of Medical Microbiology     Open Access   (Followers: 2, SJR: 0.503, CiteScore: 1)
Indian J. of Medical Research     Open Access   (Followers: 4, SJR: 0.656, CiteScore: 1)
Indian J. of Medical Sciences     Open Access   (Followers: 3, SJR: 0.102, CiteScore: 0)
Indian J. of Multidisciplinary Dentistry     Open Access   (Followers: 1)
Indian J. of Nephrology     Open Access   (Followers: 2, SJR: 0.347, CiteScore: 1)
Indian J. of Nuclear Medicine     Open Access   (Followers: 2, SJR: 0.23, CiteScore: 0)
Indian J. of Occupational and Environmental Medicine     Open Access   (Followers: 3, SJR: 0.225, CiteScore: 1)
Indian J. of Ophthalmology     Open Access   (Followers: 4, SJR: 0.498, CiteScore: 1)
Indian J. of Oral Health and Research     Open Access  
Indian J. of Oral Sciences     Open Access   (Followers: 1)
Indian J. of Orthopaedics     Open Access   (Followers: 8, SJR: 0.392, CiteScore: 1)
Indian J. of Otology     Open Access   (Followers: 1, SJR: 0.199, CiteScore: 0)
Indian J. of Paediatric Dermatology     Open Access   (Followers: 2)
Indian J. of Pain     Open Access   (Followers: 2)
Indian J. of Palliative Care     Open Access   (Followers: 6, SJR: 0.454, CiteScore: 1)
Indian J. of Pathology and Microbiology     Open Access   (Followers: 3, SJR: 0.276, CiteScore: 1)
Indian J. of Pharmacology     Open Access   (SJR: 0.412, CiteScore: 1)
Indian J. of Psychiatry     Open Access   (Followers: 2, SJR: 0.408, CiteScore: 1)
Indian J. of Psychological Medicine     Open Access   (SJR: 0.368, CiteScore: 1)
Indian J. of Public Health     Open Access   (Followers: 1)
Indian J. of Radiology and Imaging     Open Access   (Followers: 4)
Indian J. of Research in Homoeopathy     Open Access   (Followers: 2)
Indian J. of Respiratory Care     Open Access   (Followers: 3)
Indian J. of Rheumatology     Open Access   (Followers: 1, SJR: 0.119, CiteScore: 0)
Indian J. of Sexually Transmitted Diseases and AIDS     Open Access   (Followers: 2, SJR: 0.34, CiteScore: 0)
Indian J. of Social Psychiatry     Open Access   (Followers: 1)
Indian J. of Transplantation     Open Access  
Indian J. of Urology     Open Access   (Followers: 4, SJR: 0.434, CiteScore: 1)
Indian J. of Vascular and Endovascular Surgery     Open Access   (Followers: 2)
Indian Spine J.     Open Access  
Industrial Psychiatry J.     Open Access   (Followers: 2)
Intervention     Open Access   (Followers: 1)
Intl. Archives of Health Sciences     Open Access  
Intl. J. of Abdominal Wall and Hernia Surgery     Open Access   (Followers: 1)
Intl. J. of Academic Medicine     Open Access  
Intl. J. of Advanced Medical and Health Research     Open Access  
Intl. J. of Applied and Basic Medical Research     Open Access  
Intl. J. of Clinical and Experimental Physiology     Open Access   (Followers: 1)
Intl. J. of Clinicopathological Correlation     Open Access   (Followers: 1)
Intl. J. of Community Dentistry     Open Access  
Intl. J. of Critical Illness and Injury Science     Open Access   (Followers: 1, SJR: 0.192, CiteScore: 0)
Intl. J. of Educational and Psychological Researches     Open Access   (Followers: 4)
Intl. J. of Environmental Health Engineering     Open Access   (Followers: 1)
Intl. J. of Forensic Odontology     Open Access   (Followers: 1)
Intl. J. of Green Pharmacy     Open Access   (Followers: 8, SJR: 0.142, CiteScore: 0)
Intl. J. of Growth Factors and Stem Cells in Dentistry     Open Access  
Intl. J. of Health & Allied Sciences     Open Access   (Followers: 3)
Intl. J. of Health System and Disaster Management     Open Access   (Followers: 3)
Intl. J. of Heart Rhythm     Open Access  
Intl. J. of Medicine and Public Health     Open Access   (Followers: 6)
Intl. J. of Mycobacteriology     Open Access   (SJR: 0.535, CiteScore: 1)
Intl. J. of Noncommunicable Diseases     Open Access  
Intl. J. of Nutrition, Pharmacology, Neurological Diseases     Open Access   (Followers: 4, SJR: 0.17, CiteScore: 0)
Intl. J. of Oral Health Sciences     Open Access   (Followers: 3)
Intl. J. of Orofacial Biology     Open Access   (Followers: 1)
Intl. J. of Orofacial Research     Open Access   (Followers: 2)
Intl. J. of Orthodontic Rehabilitation     Open Access   (Followers: 1)
Intl. J. of Pedodontic Rehabilitation     Open Access  
Intl. J. of Pharmaceutical Investigation     Open Access   (Followers: 2)
Intl. J. of Preventive Medicine     Open Access   (Followers: 1, SJR: 0.623, CiteScore: 1)
Intl. J. of Shoulder Surgery     Open Access   (Followers: 5, SJR: 0.653, CiteScore: 1)
Intl. J. of the Cardiovascular Academy     Open Access   (SJR: 0.105, CiteScore: 0)
Intl. J. of Trichology     Open Access   (SJR: 0.4, CiteScore: 1)
Intl. J. of Yoga     Open Access   (Followers: 15)
Intl. J. of Yoga : Philosophy, Psychology and Parapsychology     Open Access   (Followers: 6)
Iranian J. of Nursing and Midwifery Research     Open Access   (Followers: 3)
Iraqi J. of Hematology     Open Access  
J. of Academy of Medical Sciences     Open Access  
J. of Acute Disease     Open Access   (SJR: 0.163, CiteScore: 1)

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North American Journal of Medical Sciences
Journal Prestige (SJR): 0.627
Citation Impact (citeScore): 2
Number of Followers: 0  

  This is an Open Access Journal Open Access journal
ISSN (Print) 1947-2714
Published by Medknow Publishers Homepage  [425 journals]
  • Facial palsy, a disorder belonging to influential neurological dynasty:
           Review of literature

    • Authors: Ujwala R Newadkar, Lalit Chaudhari, Yogita K Khalekar
      Pages: 263 - 267
      Abstract: Ujwala R Newadkar, Lalit Chaudhari, Yogita K Khalekar
      North American Journal of Medical Sciences 2016 8(7):263-267
      Facial paralysis is one of the common problem leading to facial deformation. Bell's palsy (BP) is defined as a lower motor neuron palsy of acute onset and idiopathic origin. BP is regarded as a benign common neurological disorder of unknown cause. It has an acute onset and is almost always a mononeuritis. The facial nerve is a mixed cranial nerve with a predominant motor component, which supplies all muscles concerned with unilateral facial expression. Knowledge of its course is vital for anatomic localization and clinical correlation. BP accounts for approximately 72% of facial palsies. Almost a century later, the management and etiology of BP is still a subject of controversy. Here, we present a review of literature on this neurologically significant entity.
      Citation: North American Journal of Medical Sciences 2016 8(7):263-267
      PubDate: Wed,27 Jul 2016
      DOI: 10.4103/1947-2714.187130
      Issue No: Vol. 8, No. 7 (2016)
       
  • The usage of social networking sites by medical students for educational
           purposes: A meta-analysis and systematic review

    • Authors: Salman Y Guraya
      Pages: 268 - 278
      Abstract: Salman Y Guraya
      North American Journal of Medical Sciences 2016 8(7):268-278
      Background: Online social networking sites (SNSs) (e.g., Facebook, MySpace, Flickr, Twitter and YouTube) have emerged as rapidly growing mechanisms to exchange personal and professional information among university students. This research aims to determine the medical students' extent of usage of SNSs for educational purposes. Materials and Methods: Educational Resources Information Centre (ERIC), Cumulative Index of Nursing and Allied Health Literature (CINAHL), the Cochrane library, and Excerpta Medica Data Base (EMBASE) were searched to retrieve articles from 2004 to 2014, applying predefined search terms and inclusion criteria. The extracted 10 articles were outlined in a narrative synthesis of Quality, Utility, Extent, Strength, Target and Setting of the evidence (QUESTS). Results: Majority (75%) of the respondents admitted using SNSs, whereas 20% used these sites for sharing academic and educational information. No single study explored the impact of the SNSs on the academic performance. Conclusion: Understanding and knowledge of the significant use of SNSs by the medical students demand inclusion of such domains in medical curricula. This will train tomorrow's doctors in fostering their skills of digital technology for educational purposes.
      Citation: North American Journal of Medical Sciences 2016 8(7):268-278
      PubDate: Wed,27 Jul 2016
      DOI: 10.4103/1947-2714.187131
      Issue No: Vol. 8, No. 7 (2016)
       
  • The evaluation of syncope in a predominantly black population: Focus on
           neuroimaging

    • Authors: Agazi G Gebreselassie, Delamo I Bekele, Yonette Paul, Julius S Ngwa, Daniel A Larbi
      Pages: 279 - 283
      Abstract: Agazi G Gebreselassie, Delamo I Bekele, Yonette Paul, Julius S Ngwa, Daniel A Larbi
      North American Journal of Medical Sciences 2016 8(7):279-283
      Background: Current guidelines do not support the routine use of computed tomography (CT) scan of the head in the diagnostic workup of syncope. There is a lack of research to support whether these guidelines apply to the Black population. Aims: This study aims to evaluate the yield of neuroimaging in the evaluation of Syncope in a predominantly Black patient population and to test whether current guidelines based on studies conducted in other populations hold true in this group. Material and Methods: A retrospective review of records of 151 patients admitted to a University Hospital with Syncope from 2011 to 2014 was performed. Data collected include CT head, magnetic resonance imaging of the brain, magnetic resonance angiogram, electroencephalogram, and orthostatic vital signs. Demographic data, admitting service, and comorbid conditions were identified. Syncope was classified as cardiogenic, orthostatic, vasovagal, situational, or undetermined. Statistical analysis was performed to determine which diagnostic tools were useful in identifying the potential causes of syncope. Data analysis was conducted using the Statistical Analysis System software 9.3 (SAS Institute, Cary, NC) and Statistical Analysis and Graphics (NCSS 9.0.7, Kaysville, UT). Results: One hundred and twenty eight (84.8%) of the patients were Black. The average age was 56.62 ± 18.78 standard deviation and 68.2% (103) were female. One hundred and fourteen patients (75.5%) had a CT brain. Five out of 114 patients had an acute abnormality on CT (4.4%). Only 1 of these 5 patients had an abnormality that was related to syncope. CT brain (P = 0.978) was not found to be predictive of underlying etiology of syncope despite high frequency of use. Conclusions: CT head was not useful in determining the etiology of syncope in a predominantly Black population. Current guidelines and studies conducted in other populations have detected similar findings.
      Citation: North American Journal of Medical Sciences 2016 8(7):279-283
      PubDate: Wed,27 Jul 2016
      DOI: 10.4103/1947-2714.187133
      Issue No: Vol. 8, No. 7 (2016)
       
  • Associations between serum 25-hydroxyvitamin D and lipids, lipoprotein
           cholesterols, and homocysteine

    • Authors: Charles J Glueck, Vybhav Jetty, Matan Rothschild, Gregory Duhon, Parth Shah, Marloe Prince, Kevin Lee, Michael Goldenberg, Ashwin Kumar, Naila Goldenberg, Ping Wang
      Pages: 284 - 290
      Abstract: Charles J Glueck, Vybhav Jetty, Matan Rothschild, Gregory Duhon, Parth Shah, Marloe Prince, Kevin Lee, Michael Goldenberg, Ashwin Kumar, Naila Goldenberg, Ping Wang
      North American Journal of Medical Sciences 2016 8(7):284-290
      Background: Serum 25(OH) vitamin D levels are inversely associated with cardiovascular disease (CVD) mortality, mediated in part by independent positive relationships with high-density lipoprotein cholesterol (HDLC) and inverse relationships with low-density lipoprotein cholesterol (LDLC), triglyceride, and homocysteine. Aims: In this study, we assessed relationships between fasting serum vitamin D and lipids, lipoprotein cholesterols, and homocysteine. Materials and Methods: We studied 1534 patients sequentially referred to our center from 2007 to 2016. Fasting serum total 25(OH) vitamin D, plasma cholesterol, triglyceride, HDLC, LDLC, and homocysteine were measured. Stepwise regression models were used with total cholesterol, triglyceride, HDLC, LDLC, and homocysteine as dependent variables and explanatory variables age, race, gender, body mass index (BMI), and serum vitamin D levels. Relationships between quintiles of serum vitamin D and triglycerides, HDLC, LDLC, and homocysteine were assessed after covariance adjusting for age, race, gender, and BMI. Results: Fasting serum vitamin D was positively correlated with age, HDLC, and White race, and was inversely correlated with BMI, total and LDL cholesterol, triglyceride, and fasting serum homocysteine (P ≤ 0.0001 for all). Serum vitamin D was a significant independent inverse explanatory variable for total cholesterol, triglyceride, and LDL cholesterol, and accounted for the largest amount of variance in serum total cholesterol (partial R 2 =3.6%), triglyceride (partial R 2 =3.1%), and LDLC (partial R 2 =2.9%) (P < 0.0001 for all). Serum vitamin D was a significant positive explanatory variable for HDLC (partial R 2 =1.4%, P < 0.0001), and a significant inverse explanatory variable for homocysteine (partial R 2 = 6.0-12.6%). Conclusions: In hyperlipidemic patients, serum vitamin D was a significant independent inverse determinant of total cholesterol, LDLC, triglyceride, and homocysteine, and a significant independent positive determinant of HDLC. Thus, serum vitamin D might be protective against CVD.
      Citation: North American Journal of Medical Sciences 2016 8(7):284-290
      PubDate: Wed,27 Jul 2016
      DOI: 10.4103/1947-2714.187137
      Issue No: Vol. 8, No. 7 (2016)
       
  • The effect of renin-angiotensin system inhibitors on kidney allograft
           survival: A systematic review and meta-analysis

    • Authors: Wisit Cheungpasitporn, Charat Thongprayoon, Michael A Mao, Wonngarm Kittanamongkolchai, Insara J. J. Sathick, Stephen B Erickson
      Pages: 291 - 296
      Abstract: Wisit Cheungpasitporn, Charat Thongprayoon, Michael A Mao, Wonngarm Kittanamongkolchai, Insara J. J. Sathick, Stephen B Erickson
      North American Journal of Medical Sciences 2016 8(7):291-296
      Background: The use of renin-angiotensin system (RAS) inhibitors in patients with chronic kidney disease, and especially in diabetic kidney disease, has been shown to provide renoprotective effects and slow progression to end-stage renal disease. However, this protective effect in kidney transplant patient populations is unclear. Aim: The objective of this systematic review and meta-analysis was to evaluate the effect of RAS inhibitors on kidney allograft survival. Materials and Methods: A literature search for randomized controlled trials (RCTs) was performed from inception through February 2016. Studies that reported relative risks or hazard ratios comparing the risks of renal graft loss in renal transplant recipients who received RAS inhibitors vs. controls were included. Pooled risk ratios (RRs) and 95% confidence intervals (CIs) were calculated using a random-effect, generic inverse variance method. Results: Five studies (3 RCTs and 2 cohort studies) with 20024 kidney transplant patients were included in the meta-analysis. Pooled RR of allograft failure in recipients who received RAS inhibitors was 0.73 (95% CI: 0.45-1.21). When meta-analysis was limited only to RCTs, the pooled RR of allograft failure in patients using RAS inhibitors was 0.59 (95%: CI 0.20-1.69). The risk for mortality (RR: 1.13 [95% CI: 0.62-2.07]) in patients using RAS inhibitors compared to controls was not significantly reduced. Conclusion: This meta-analysis demonstrated insignificant reduced risks of renal graft loss among renal transplant recipients who received RAS inhibitors. Future studies assessing the potential benefits of RAS inhibitors on allograft survival in specific kidney transplant patient populations are needed.
      Citation: North American Journal of Medical Sciences 2016 8(7):291-296
      PubDate: Wed,27 Jul 2016
      DOI: 10.4103/1947-2714.187141
      Issue No: Vol. 8, No. 7 (2016)
       
  • Thimerosal-containing hepatitis B vaccine exposure is highly associated
           with childhood obesity: A case-control study using the vaccine safety
           datalink

    • Authors: David A Geier, Janet K Kern, Kristin G Homme, Lisa K Sykes, Mark R Geier
      Pages: 297 - 306
      Abstract: David A Geier, Janet K Kern, Kristin G Homme, Lisa K Sykes, Mark R Geier
      North American Journal of Medical Sciences 2016 8(7):297-306
      Background: Obesity among children and adolescents in the United States has tripled since 1980, and has become a major public health concern. Aims: The purpose of this study was to evaluate the potential relationship between exposure to organic mercury from Thimerosal-containing hepatitis B vaccines and the children's subsequent risk of an obesity diagnosis. Materials and Methods: A hypothesis-testing, case-control study was undertaken to evaluate exposure to organic mercury from Thimerosal-containing hepatitis B vaccines, which were administered at specific intervals in the first 6 months of life, among cases diagnosed with childhood obesity and controls by examining automated medical records for children born from 1991 to 2000 who were continuously enrolled in the Vaccine Safety Datalink database. Results: This study found highly significant associations as follows. Cases diagnosed with obesity were significantly (P < 0.00001) more likely to have received greater exposure to organic mercury from Thimerosal-containing hepatitis B vaccines administered within the first month of life (odds ratio (OR) =1.511), first 2 months of life (OR = 1.486), and first 6 months of life (OR = 3.795) than the controls. Similar outcomes were observed when the overall data were separated by gender. In a dose-response manner, cases diagnosed with obesity were significantly more likely than controls to have received greater exposure to organic mercury from Thimerosal-containing hepatitis B vaccines, which were administered within the first 6 months of life (OR = 1.0375 per μg of mercury, P < 0.00001). Conclusions: In a dose-response manner, the present study associates an increased organic mercury exposure from Thimerosal-containing hepatitis B vaccines with an increased risk of obesity diagnosis, and suggests that Thimerosal is an obesogen. The results are biologically plausible and future studies are needed to examine this phenomenon.
      Citation: North American Journal of Medical Sciences 2016 8(7):297-306
      PubDate: Wed,27 Jul 2016
      DOI: 10.4103/1947-2714.187148
      Issue No: Vol. 8, No. 7 (2016)
       
  • Validation of PC-based sound card with Biopac for digitalization of ECG
           recording in short-term HRV analysis

    • Authors: K Maheshkumar, K Dilara, KN Maruthy, L Sundareswaren
      Pages: 307 - 311
      Abstract: K Maheshkumar, K Dilara, KN Maruthy, L Sundareswaren
      North American Journal of Medical Sciences 2016 8(7):307-311
      Background: Heart rate variability (HRV) analysis is a simple and noninvasive technique capable of assessing autonomic nervous system modulation on heart rate (HR) in healthy as well as disease conditions. The aim of the present study was to compare (validate) the HRV using a temporal series of electrocardiograms (ECG) obtained by simple analog amplifier with PC-based sound card (audacity) and Biopac MP36 module. Materials and Methods: Based on the inclusion criteria, 120 healthy participants, including 72 males and 48 females, participated in the present study. Following standard protocol, 5-min ECG was recorded after 10 min of supine rest by Portable simple analog amplifier PC-based sound card as well as by Biopac module with surface electrodes in Leads II position simultaneously. All the ECG data was visually screened and was found to be free of ectopic beats and noise. RR intervals from both ECG recordings were analyzed separately in Kubios software. Short-term HRV indexes in both time and frequency domain were used. Results: The unpaired Student's t-test and Pearson correlation coefficient test were used for the analysis using the R statistical software. No statistically significant differences were observed when comparing the values analyzed by means of the two devices for HRV. Correlation analysis revealed perfect positive correlation (r = 0.99, P < 0.001) between the values in time and frequency domain obtained by the devices. Conclusion: On the basis of the results of the present study, we suggest that the calculation of HRV values in the time and frequency domains by RR series obtained from the PC-based sound card is probably as reliable as those obtained by the gold standard Biopac MP36.
      Citation: North American Journal of Medical Sciences 2016 8(7):307-311
      PubDate: Wed,27 Jul 2016
      DOI: 10.4103/1947-2714.187150
      Issue No: Vol. 8, No. 7 (2016)
       
  • Selective serotonin-norepinephrine reuptake inhibitors-induced Takotsubo
           cardiomyopathy

    • Authors: Rahul Vasudev, Upamanyu Rampal, Hiten Patel, Kunal Patel, Mahesh Bikkina, Fayez Shamoon
      Pages: 312 - 315
      Abstract: Rahul Vasudev, Upamanyu Rampal, Hiten Patel, Kunal Patel, Mahesh Bikkina, Fayez Shamoon
      North American Journal of Medical Sciences 2016 8(7):312-315
      Context: Takotsubo translates to "octopus pot" in Japanese. Takotsubo cardiomyopathy (TTC) is characterized by a transient regional systolic dysfunction of the left ventricle. Catecholamine excess is the one most studied and favored theories explaining the pathophysiology of TTC. Case Report: We present the case of a 52-year-old Hispanic female admitted for venlafaxine-induced TTC with a review literature on all the cases of Serotonin-norepinephrine reuptake inhibitors (SNRI)-associated TTC published so far. Conclusion: SNRI inhibit the reuptake of catecholamines into the presynaptic neuron, resulting in a net gain in the concentration of epinephrine and serotonin in the neuronal synapses and causing iatrogenic catecholamine excess, ultimately leading to TTC.
      Citation: North American Journal of Medical Sciences 2016 8(7):312-315
      PubDate: Wed,27 Jul 2016
      DOI: 10.4103/1947-2714.187153
      Issue No: Vol. 8, No. 7 (2016)
       
  • Clostridium difficile infection and Takotsubo cardiomyopathy: Is there a
           relation?

    • Authors: Hafeez Ul Hassan Virk, Faisal Inayat
      Pages: 316 - 319
      Abstract: Hafeez Ul Hassan Virk, Faisal Inayat
      North American Journal of Medical Sciences 2016 8(7):316-319
      Context: Takotsubo cardiomyopathy (TCM) mimics acute coronary syndrome and is accompanied by reversible left ventricular apical ballooning in the absence of angiographically significant coronary artery stenosis. It is a transient condition that typically precedes physical or emotional triggers. Case Report: We describe the case of a 65-year-old woman who presented to our institution with symptomatic Clostridium difficile infection. 24 hours after admission, the patient complained of severe, retrosternal chest pain. Electrocardiogram showed diffuse elevation of ST-segment in the chest leads; however, coronary angiography demonstrated normal coronary arteries. Therein, an echocardiography was performed, which revealed apical ballooning and hypercontractile base with global left ventricular hypokinesis. These features were consistent with TCM. The patient was managed conservatively. Repeat echocardiogram 2 weeks later showed resolution of heart failure. Conclusion: To our research, this is the first report of TCM caused by C. difficile infection. Clinicians involved in the care of patients with C. difficile infection must be aware of this complication and should consider TCM in those who develop atypical chest pain.
      Citation: North American Journal of Medical Sciences 2016 8(7):316-319
      PubDate: Wed,27 Jul 2016
      DOI: 10.4103/1947-2714.187156
      Issue No: Vol. 8, No. 7 (2016)
       
  • Acute esophageal necrosis: An update

    • Authors: Faisal Inayat, Abu Hurairah, Hafeez Ul Hassan Virk
      Pages: 320 - 322
      Abstract: Faisal Inayat, Abu Hurairah, Hafeez Ul Hassan Virk
      North American Journal of Medical Sciences 2016 8(7):320-322
      Acute esophageal necrosis (AEN) or "black esophagus" is a rare clinical entity with an unclear etiology. It is diagnosed at upper gastrointestinal endoscopy with the presence of strikingly black necrotic esophagus. The treatment is primarily medical, but the prognosis is generally poor due to advanced age and comorbid illnesses in patients who develop AEN. Herein, we discussed the implications of poor glycemic control in regards with AEN and undertook a literature review of this rare diagnosis.
      Citation: North American Journal of Medical Sciences 2016 8(7):320-322
      PubDate: Wed,27 Jul 2016
      DOI: 10.4103/1947-2714.187159
      Issue No: Vol. 8, No. 7 (2016)
       
  • Cryptosporidium parvum infection following contact with livestock

    • Authors: Denis Suler, David Mullins, Travis Rudge, John Ashurst
      Pages: 323 - 325
      Abstract: Denis Suler, David Mullins, Travis Rudge, John Ashurst
      North American Journal of Medical Sciences 2016 8(7):323-325
      Context: Scours, or calf diarrhea, is an infectious gastrointestinal disease commonly found in the calves of dairy farms. It primarily presents with diarrhea that can be life threatening to the animal and is also contagious and threatening to the other livestock. Cryptosporidium is one of the major causes of scours and can be transmitted to humans via fecal-oral route, resulting in diarrheal illnesses. Cryptosporidiosis infection usually occurs as a waterborne outbreak with the potential to affect many people at once. Case Report: We report a case of a 24-year-old female farmer who presented to the emergency department with diarrhea after taking care of ill cattle with similar symptoms. Fecal cultures were positive for Cryptosporidium parvum. Given the patient was immunocompetent, no further treatment was warranted. Conclusion: Confirmed cases should be reported, however, treatment is only recommended in children and immunocompromised adults. Clinicians should educate patients on the importance of proper hygiene and handling techniques in order to decrease transmission and recurrence of the protozoan infection.
      Citation: North American Journal of Medical Sciences 2016 8(7):323-325
      PubDate: Wed,27 Jul 2016
      DOI: 10.4103/1947-2714.187162
      Issue No: Vol. 8, No. 7 (2016)
       
 
 
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