Clinical and investigative medicine. Medecine clinique et experimentale (Clin Investig Med)
Journal Impact: 1.22*
*This value is calculated using ResearchGate data and is based on average citation counts from work published in this journal. The data used in the calculation may not be exhaustive.
Journal impact history
|2016 Journal impact ||Available summer 2017 |
|2015 Journal impact ||1.22 |
|2014 Journal impact ||1.70 |
|2013 Journal impact ||1.54 |
|2012 Journal impact ||1.46 |
|2011 Journal impact ||1.19 |
|2010 Journal impact ||1.07 |
|2009 Journal impact ||1.29 |
|2008 Journal impact ||0.98 |
Journal impact over time
|Cited half-life ||7.50 |
|Immediacy index ||0.08 |
|Eigenfactor ||0.00 |
|Article influence ||0.39 |
|Website || Clinical and Investigative Medicine website |
|Other titles ||Clinical and investigative medicine (Online), Clinical and investigative medecine, CIM, Médicine clinique et experimentale |
|ISSN ||1488-2353 |
|OCLC ||44653587 |
|Material type ||Document, Periodical, Internet resource |
|Document type ||Internet Resource, Computer File, Journal / Magazine / Newspaper |
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Publications in this journal
[Show abstract] [Hide abstract] ABSTRACT: This review summarizes my lecture for the 2015 Distinguished Scientist Award from the Canadian Society of Clinical Investigation, and is based mainly on studies in my laboratory on the mechanisms of remodelling of small arteries in experimental animal and human hypertension and on treatments that lower blood pressure and improve structure and function of resistance vessels. Small resistance arteries undergo either inward eutrophic or hypertrophic remodelling, which raises blood pressure and impairs tissue perfusion. These vascular changes are corrected by some antihypertensive drugs, which may lead to improved outcomes. Vasoconstriction, growth, oxidative stress and inflammation are some of the mechanisms, within the vascular wall, that can be beneficially affected by antihypertensive agents. These antihypertensive-sensitive mechanisms are reviewed in this review, together with the inflammatory and immune mechanisms that may participate in hypertension and associated cardiovascular injury. Molecular studies, based on this research, will hopefully identify novel diagnostic and therapeutic targets, which will improve our ability to prevent and treat hypertension and cardiovascular disease.
[Show abstract] [Hide abstract] ABSTRACT: The Leaders in Medicine (LIM) Program at the University of Calgary hosted its 6th Annual Research Symposium on November 14, 2014, showcasing the quality and breadth of work performed by students at the Cumming School of Medicine. Participation at this year's event was our most successful to date, with a total of six oral and 77 poster presentations during the afternoon symposium. For a detailed description of the work presented at the symposium, please see the Proceedings from the 6th Annual University of Calgary Leaders in Medicine Research Symposium published in this issue of Clinical and Investigative Medicine.
[Show abstract] [Hide abstract] ABSTRACT: Purpose:
The prevalence of obstructive sleep apnea syndrome (OSAS) is increasing, especially in the middle-aged population. OSAS is associated with an elevated risk of cardiovascular morbidity and mortality. Arterial hypertension is often the first consequence of OSAS, but the most severe complications are coronary artery disease, stroke and arrhythmias. The aim of this review was to analyze the several mechanisms involved in the development of the cardiovascular events, such as endothelial dysfunction accompanied by a pro-inflammatory and pro-oxidant status, hemorheological alterations, hypercoagulability and imbalance between matrix metalloproteases and their inhibitors.
A search on PubMed was carried out using the following terms: obstructive sleep apnea syndrome; endothelial dysfunction; oxidative stress; inflammation; rheology; matrix metalloproteases.
OSAS severity strongly influenced cardiovascular risk factors and, furthermore, it was correlated with the incidence of fatal and non-fatal events.
The treatment with continuous positive airways pressure (cPAP) is the gold standard for OSAS and was able to positively influence all the pathophysiological mechanisms responsible for cardiovascular diseases. Long-term cPAP improved endothelial function and hemorheology, reduced oxidative stress and inflammation, and decreased the levels of metalloproteases.
[Show abstract] [Hide abstract] ABSTRACT: On November 14, 2014, the Leaders in Medicine (LIM) program at the Cumming School of Medicine, University of Calgary hosted its 6th Annual Research Symposium. Dr. Danuta Skowronski, Epidemiology Lead for Influenza and Emerging Respiratory Pathogens at the British Columbia Centre for Disease Control (BCCDC), was the keynote speaker and presented a lecture entitled "Rapid response research during emerging public health crises: influenza and reflections from the five year anniversary of the 2009 pandemic". The LIM symposium provides a forum for both LIM and non-LIM medical students to present their research work, either as an oral or poster presentation. There were a total of six oral presentations and 77 posters presented.
The oral presentations included: Swathi Damaraju, "The role of cell communication and 3D Cell-Matrix environment in a stem cell-based tissue engineering strategy for bone repair"; Menglin Yang, "The proteolytic activity of Nepenthes pitcher fluid as a therapeutic for the treatment of celiac disease"; Amelia Kellar, "Monitoring pediatric inflammatory bowel disease - a retrospective analysis of transabdominal ultrasound"; Monica M. Faria-Crowder, "The design and application of a molecular profiling strategy to identify polymicrobial acute sepsis infections"; Waleed Rahmani, "Hair follicle dermal stem cells regenerate the dermal sheath, repopulate the dermal papilla and modulate hair type"; and, Laura Palmer, "A novel role for amyloid beta protein during hypoxia/ischemia".
The article on the University of Calgary Leaders in Medicine Program, "A Prescription that Addresses the Decline of Basic Science Education in Medical School," in a previous issue of CIM (2014 37(5):E292) provides more details on the program. Briefly, the LIM Research Symposium has the following objectives: (1) to showcase the impressive variety of projects undertaken by students in the LIM Program as well as University of Calgary medical students; (2) to encourage medical student participation in research and special projects; and, (3) to inform students and faculty about the diversity of opportunities available for research and special projects during medical school and beyond.
The following abstracts were submitted for publication.
[Show abstract] [Hide abstract] ABSTRACT: Purpose:
The purpose of this study was to explore the ten-year trends in utilization of bioequivalent doses of statin amongst elderly patients with diabetes according to sex/gender in Ontario, Canada.
A cohort of patients with diabetes (>65 years) was constructed using the Ontario Diabetes Database Statin utilization data (2003-2012) was obtained from the Ontario Drug Benefit Program for both women and men. Bioequivalent doses for statins were calculated according to the dosing conversion factor in therapeutic interchange programs in clinical practice. Utilization pattern of high potency (Atorvastatin and Rosuvastatin) vs. low potency statins (Simvastatin, Lovastatin, Fluvastatin, Pravastatin) were also analyzed.
The average bioequivalent Simvastatin utilization in 2003 was 29.22 mg/day for women and 30.35 mg/day for men. By 2008, this gap in dosing was higher for both women and men and by 2013 it had increased to 47.75 mg/day for women and 52.98 mg/day for men. For average number of day supply per year, there was no significant trend of changes over the 10-year period, although the use of high potency statins increased significantly (P.
[Show abstract] [Hide abstract] ABSTRACT: Purpose:
The purpose of this study was to evaluate the efficacy and safety of administration of an intercostal nerve block (INB) with general anesthesia to elderly patients undergoing a distal gastrectomy.
Elderly patients (>65 years) undergoing selective gastrectomy were randomly assigned to three groups (n = 80): general anesthesia (Group A); general + INB anesthesia (Group B); or, general + epidural anesthesia (Group C). General anesthesia was maintained with propofol, remifentanil and cisatracurium. The mean arterial blood pressure (MAP), heart rate (HR) and C-reactive protein (CRP) levels were determined before anesthesia (T0) and at 5 min after intubation (T1), skin incision (T2), exploration of the peritoneal cavity (T3), gastrointestinal anastomosis (T4), end of operation (T5) and 10 min after extubation (T6).
MAP decreased at T1 in all groups (P < 0.05) and at T2, T4 and T5 in Group C (P < 0.05) and was lower in Group C than Group B at T2 and T4 (P < 0.05). There were no differences in MAP between Groups A and B or between Groups B and C. HR increased at T2 - T6 in Group A (P < 0.05) and was higher at T2 - T6 in Group B and Group C (P < 0.05). CRP levels decreased at T2 - T5 in Groups B and C (P < 0.05) and were lower in Groups B and C compared with Group A (P < 0.05). Propofol and remifentanil doses were lower in Groups B and C (P < 0.05 and P < 0.01, respectively) and patients recovered faster than in Group A (P < 0.05).
Administration of INB with general anesthesia enhanced analgesia, led to stable hemodynamics, and reduced anaesthetic consumption and postoperative stress response.
[Show abstract] [Hide abstract] ABSTRACT: Purpose:
The purpose of this study was to evaluate the feasibility and safety of continuous glucose monitoring systems (CGMS) in ST segment elevation myocardial infarction (STEMI) patients undergoing primary percutaneous coronary interventions (p-PCI) in coronary care units (CCU).
CGMS was performed for 3 days during CCU hospitalization for each of the subjects. The correlation between glucose values, recorded with CGMS, and finger-stick capillary glucose values was examined. The parameters and safety of CGMS were also investigated.
Data from 219 subjects were included in the statistical analysis. Correlation analysis showed a strong positive correlation between interstitial glucose values recorded by CGMS and the corresponding capillary glucose values (P.
[Show abstract] [Hide abstract] ABSTRACT: Purpose:
The prevalence of liver disease and frequency of consultations to a Hepatology Consultation service for patients with liver enzyme/function abnormalities admitted to a clinical teaching unit at an urban tertiary care hospital have not been previously described. To document these data, a retrospective chart review of adult patients admitted for non-hepatobiliary problems to a general Internal Medicine clinical teaching unit at an urban, tertiary care hospital during a three month period was performed.
Laboratory test results were reviewed to determine if liver enzymes and function tests had been ordered during the first five days of admission and, in those with abnormal results, whether referrals had been sent to the hospital's Hepatology Consultation service for further investigations and/or management.
A total of 506 admissions occurred during the study period. Of these, 452 (89%) were for patients with no known liver disease. Liver biochemistry testing was obtained in 218 (48.2%) of these individuals. In 192 (88.1%), liver enzyme or function tests were abnormal and in 91 (41.7%), both enzymes and function tests were abnormal (suggesting more advanced disease). Referrals to the Hepatology Consultation service were requested for 5/91 (5.5%) patients with more advanced disease and none with only liver enzyme or function tests abnormalities.
Although liver enzymes and/or function test abnormalities are common in this patient population, screening for liver disease is relatively uncommon and consultation to a Hepatology Consultation service occurs in less than 10% of cases.
[Show abstract] [Hide abstract] ABSTRACT: The Canadian Society of Clinician Investigators (CSCI) and Clinical Investigator Trainee Association of Canada/Association des cliniciens-chercheurs en formation du Canada (CITAC/ACCFC) annual general meeting (AGM) was held in Toronto during November 21-24, 2015 for the first time in conjunction with the University of Toronto Clinician-Investigator Program Research Day. The overall theme for this year's meeting was the role of mentorship in career development, with presentations from Dr. Chaim Bell (University of Toronto), Dr. Shurjeel Choudhri (Bayer Healthcare), Dr. Ken Croitoru (University of Toronto), Dr. Astrid Guttman (University of Toronto), Dr. Prabhat Jha (University of Toronto) and Dr. Sheila Singh (McMaster University). The keynote speakers of the 2014 AGM included Dr. Qutayba Hamid, who was presented with the Distinguished Scientist Award, Dr. Ravi Retnakaran, who was presented with the Joe Doupe Award, and Dr. Lorne Babiuk, who was the CSCI-RCPSC Henry Friesen Award winner. The highlight of the conference was, once again, the outstanding scientific presentations from the numerous clinician investigator (CI) trainees from across the country who presented at the Young Investigators' Forum. Their research topics spanned the diverse fields of science and medicine, ranging from basic science to cutting-edge translational research, and their work has been summarized in this review. Over 120 abstracts were presented at this year's meeting. This work was presented during two poster sessions, with the six most outstanding submitted abstracts presented in the form of oral presentations during the President's Forum.
[Show abstract] [Hide abstract] ABSTRACT: Turgut Ozal University Scientific Research Committee (TOBAT) was established in Turgut Ozal University Faculty of Medicine in 2009 to encourage young medical students and scientists to carry out novel scientific research in addition to their medical education in order to 1) establish a platform of informing the latest advancements in science, 2) present this work to colleagues and 3) meet and interact with their peers within the international medical and scientific community. Our committee annually organizes Turkey's most highly-qualified medical student congress with the highest number of presenters and attendants, the International Medical Student Congress (IMSC). Over 1,500 medical students and experts attend our congress to present, learn and discuss new research in medicine. Medical students from all over Turkey present the results from their scientific work of the previous year. Because of the international nature of this congress, experts, scientists and attendants from other countries enrich the content and atmosphere of the congress. We also invite successful students who have trained in their own countries and who are interested in science and medicine. Students from abroad present their splendid work and also strengthen the global student network. The congress is covered by the media, both print and television, and has a positive impact on public opinion. The conference organization, design and coordination and the configuration of the scientific program are completed by Turgut Ozal University's medical students with the assistance of their supervisors; which is a success in itself. Research and scientific work performed by students compose the main portion of the congress. The latest congress included 161 oral and 74 posters presentations. The topics covered by these presentations often show the promise of playing an important role in the future of medical research. Over the past years, topics have included the following: "CRISPR/Cas9 system": its utilities and its possible applications, especially for tuberculosis infection; the use of synthetic biology to re-program heart coronary arteries for "the rapid treatment of myocardial infarction"; tissue engineering and its novel approaches; and, a state-of-art method for "the colon cancer therapy by using synthetic gut flora". This year, for the first time, we have included a very important opportunity for the congress attendees: 20 studies of the participating scientific presentations have been selected to be published in this supplementary of the Journal of Clinical and Investigative Medicine, a journal cited in SCI and PubMed database. We believe that this opportunity has encouraged the young scientists to improve their research skills, to carry out better and more novel studies and to collaborate for effectively with each other. The selection was difficult because of the high quality of the scientific research. In this supplementary, you will find several well-documented studies on different topics including the genetic roots of Alzheimer's disease related to the clusterin gene, novel approaches for cancer stem cell, a novel reporter protein to be used in lab as an alternative to GFP, the effects of traditional moving dry cupping therapy on sleep quality and shoulder-neck pain and the inhibition of gram negative E.coli by LALF-secreting engineered gram positive B. subtilis. By seeing the quality and breadth of these topics, the contributions and potential impact of our congress to the scientific community can be better understood. We wish to express our sincere appreciation to the editors of the Journal of Clinical and Investigative Medicine for their editing and their support in publishing this supplementary material. We would like also to take this opportunity to thank the Rector of Turgut Ozal University, the Dean of Faculty of Medicine, our instructors, mentors, seniors, advisors and technical staff for their kind advice and assistance in organizing this huge undertaking. Kind regards, Mustafa Semih Elitok on behalf of Turgut Ozal University Scientific Research Committee (TOBAT).
[Show abstract] [Hide abstract] ABSTRACT: Our study is designed to examine the diagnostic performance of diffusion-weighted magnetic resonance imaging (DW-MRI) for bladder cancers (BC), and to determine whether DW-MRI can differentiate muscle invasive bladder cancer (MIBC) from non-MIBC (NMIBC).
A meta-analysis was performed of published studies that investigated the performance of DW-MRI for BC. These studies were retrieved from scientific literature databases using sensitive electronic search strategies. The STATA 12.0 and Meta-disc software were employed for statistical analyses of data extracted from selected studies.
Our search initially returned 230 articles, of which 11 met the inclusion criteria and were enrolled into the final meta-analysis. Five of the included studies reported the diagnostic performance of DW-MRI for BC with a cumulative total of 243 BC patients and 82 healthy subjects. Eight studies investigated the diagnostic performance of DW-MRI for differentiating MIBC from NMIBC, involving 259 MIBC lesions and 515 NMIBC lesions. Meta-analysis results were as follows: the diagnostic performance of DW-MRI for BC (sensitivity: 0.95 [0.75-0.99]; specificity: 0.85 [0.74-0.92]; positive likelihood ratio: 6.45 [3.64-11.42]; negative likelihood ratio: 0.055 [0.009-0.333]; diagnostic odds ratio: 117.11 [19.37-708.05]; area under the curve (AUC): 0.91); the diagnostic performance of DW-MRI to differentiate MIBC from NMIBC (sensitivity: 0.85 [0.76 - 0.91]; specificity: 0.90 [0.87 - 0.93]; positive likelihood ratio:8.81[6.43 - 12.07]; negative likelihood ratio: 0.16 [0.10 - 0.28]; diagnostic odds ratio: 53.95 [25.68 - 113.33]; AUC: 0.92).
DW-MRI has an outstanding diagnostic performance, with advanced sensitivity and specificity, for imaging of bladder cancers and for differentiating MIBC from NMIBC.
[Show abstract] [Hide abstract] ABSTRACT: Cardiopulmonary bypass (CPB) is commonly associated with a systemic inflammatory response that may lead to severe complications. Classic signs of systemic inflammatory response syndrome are complement activation and changes in cytokine and acute phase reactant levels. The effects of rosuvastatin after CPB on interleukin-6 (IL-6), interleukin-10 (IL-10), interleukin-18 (IL-18) and High Sensitivity C-Reactive Protein (hs-CRP) levels were investigated.
Thirty-seven male and thirteen female patients (total=50) aged 42 to 78 years, who had coronary bypass surgery due to coronary artery disease were randomly divided into two groups. The 25 patients in the control group were administered placebos. The 25 in the treatment group were administered 20 mg rosuvastatin tablets daily between preoperative day 7 and postoperative day 28. Blood samples were taken at six time points; before induction of anesthesia (T1), during CPB (T2), five minutes after removal of cross clamp (T3), after protamine infusion (T4), postoperative day three (T5) and postoperative day 28 (T6). Data points were expressed as mean ± standard deviation (SD).
Rosuvastatin lowered IL-6 levels at T4, T5 and T6 time points (T4, T5, T6 p < 0.05), and elevated IL-10 levels at T3 and T4 (T3, T4 p < 0.05). IL-18 levels were also elevated at multiple time points. Rosuvastatin also lowered hs-CRP levels and cholesterol levels at T6 (p < 0.05).
Administering 20 mg/day of rosuvastatin between preoperative day 7 and postoperative day 28 may result in fewer complications in certain (especially intraoperative) cases of systemic inflammatory response caused by the CPB technique used in coronary bypass surgery.
[Show abstract] [Hide abstract] ABSTRACT: Pharmacotherapy for diabetes in real-world clinical settings is very complex and is posing a challenge for residents in training. The purpose of this study was to explore the views of residents in Canada regarding educational priorities for pharmacotherapy in diabetes management.
A questionnaire was developed to explore different domains of pharmacotherapy in diabetes management, including different clinic>al settings, combination pharmacotherapy with different classes of medications and patients' characteristics, including comorbidities and cardiovascular risk factors. The questionnaire and the letter of invitation was sent to residents through their program directors. The results were gathered through an online survey system. Due to the study design, response rate could not be determined. For data analysis, SPSS Software was used for statistical analysis. Chi-square testing was utilized for comparisons of proportions.
Thirty-four residency programs in Canada were contacted and 165 residents completed the study. A significant number of the residents (59%) viewed combination pharmacotherapy for diabetes management as the most important educational priority (p < 0.001). Regarding insulin therapy, combination of insulin with another class of agents was recognized as the most important educational priority by 51% of residents (p < 0.001). Among all classes of medication for blood glucose management the education on the use of newer class of medication such as GLP1 agonists, DPP4 inhibitors and SGLT2 inhibitors was recognized as a priority by 77% of residents (p < 0.001).
This study provides new data and insights into residents' views on diabetes pharmacotherapy. Educational curriculums may incorporate these views from residents on the educational priorities that were identified in this study.
[Show abstract] [Hide abstract] ABSTRACT: To determine the reliability of arterial phase capture and evaluate hypervascular lesion contrast kinetics with a combined view-sharing and parallel imaging dynamic contrast-enhanced acquisition, DIfferential Sub-sampling with Cartesian Ordering (DISCO), in patients with known chronic liver disease.
A retrospective review of 3T MR images from 26 patients with known chronic liver disease referred for hepatocellular carcinoma surveillance or post-treatment follow up was performed. After administration of a gadolinium-based contrast agent, a multiphasic acquisition was obtained in a 28 s breath-hold, from which seven sequential post-contrast image volumes were reconstructed.
The late arterial phase was successfully captured in all cases (26/26, 95% CI 87-100%). Images obtained 26 s post-injection had the highest frequency of late arterial phase capture (20/26) and lesion detection (23/26) of any individual post-contrast time; however, the multiphasic data resulted in a significantly higher frequency of late arterial phase capture (26/26, p=0.03) and a higher relative contrast (5.37+/-0.97 versus 7.10+/-0.98, p < 0.01).
Multiphasic acquisition with combined view-sharing and parallel imaging reliably captures the late arterial phase and provides sufficient temporal resolution to characterize hepatic lesion contrast kinetics in patients with chronic liver disease while maintaining high spatial resolution.
[Show abstract] [Hide abstract] ABSTRACT: Circulating levels of visfatin, a ubiquitous adipokine, may reflect both the severity of plaque as well as degree of plaque stabilization in acute myocardial injury. The purpose of this study was to test whether the level of visfatin is associated with the occurrence of major adverse cardiovascular events (MACEs) in patients with acute ST-elevation myocardial infarction (STEMI).
Consecutive patients (n=185) with acute STEMI were prospectively enrolled in the study. ELISA was used to measure plasma visfatin concentrations. Composite MACEs included death, recurrent myocardial infarction, target lesion revascularization or re-advanced heart failure.
Plasma visfatin levels were significantly higher in composite MACE patients than in non-MACE patients. A multivariate Cox hazard regression model revealed that the predictive independent risk factors for the occurrence of composite MACEs were visfatin level (relative risk = 1.04) and age (relative risk = 6.05). When patients were grouped according to their plasma visfatin levels, composite MACEs occurred more frequently in patients presenting with high visfatin levels. Moreover, Kaplan-Meier analysis revealed that high visfatin levels were significantly associated with the occurrence of composite MACEs.
The level of plasma visfatin may be associated with risk of composite MACEs in STEMI patients, and may be useful for risk stratification.
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