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  1. Article ; Online: Utilization of healthcare by immigrants in Canada: a cross-sectional analysis of the Canadian Community Health Survey.

    Ravichandiran, Nisanthini / Mathews, Maria / Ryan, Bridget L

    BMC primary care

    2022  Volume 23, Issue 1, Page(s) 69

    Abstract: Background: Immigrants to Canada face unique barriers to health care, which leads to inequities in health care utilization. Lower utilization of health care by immigrants to Canada is associated with the deteriorating health of individual immigrants as ... ...

    Abstract Background: Immigrants to Canada face unique barriers to health care, which leads to inequities in health care utilization. Lower utilization of health care by immigrants to Canada is associated with the deteriorating health of individual immigrants as well as increased costs to the health care system. The existing literature suggests that time since immigration is an important predictor for utilization of health care for Canadian immigrants; however, few studies have included this variable in their analysis. This study aims to examine the relationships between having a regular health care provider and time since immigration, and number of medical consultations in the past year and time since immigration.
    Methods: A secondary cross-sectional data analysis using Andersen and Newman's Framework of Health Service Utilization and data from the 2015-2016 Canadian Community Health Survey (CCHS) was conducted to examine health care utilization among immigrants in Canada. We used multiple logistic regression to examine the relationship between time since immigration and having a regular physician and negative binomial regression to compare the number of consultations of recent (less than 10 years since immigration) and established (10 or more years since immigration) immigrants.
    Results: Eighty four percent of immigrant respondents to CCHS 2015-2016 had a regular health care provider. After controlling for other independent variables, established immigrants were 1.75 (95% confidence interval: 1.45-2.10) times more likely to have a regular health care provider compared to recent immigrants. Immigrants had a mean of 3.37 (standard deviation 4.53) medical consultations in the preceding year. There was no difference in the mean number of medical consultations by recent and established immigrants.
    Conclusions: After controlling for other independent variables, this study found that time since immigration had a significant effect on having a regular provider but not on number of consultations. Differences in health care utilization for recent and for established immigrants observed in this study may be partially explained by Canada's evolving immigration policy and the economic and social integration of immigrants over time.
    MeSH term(s) Canada/epidemiology ; Cross-Sectional Studies ; Emigrants and Immigrants ; Health Services Accessibility ; Humans ; Public Health ; Surveys and Questionnaires
    Language English
    Publishing date 2022-04-06
    Publishing country England
    Document type Journal Article
    ISSN 2731-4553
    ISSN (online) 2731-4553
    DOI 10.1186/s12875-022-01682-2
    Database MEDical Literature Analysis and Retrieval System OnLINE

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  2. Article ; Online: Neuromuscular partitioning in the extensor carpi radialis longus and brevis based on intramuscular nerve distribution patterns: A three-dimensional modeling study.

    Ravichandiran, Mayoorendra / Ravichandiran, Nisanthini / Ravichandiran, Kajeandra / McKee, Nancy H / Richardson, Denyse / Oliver, Michele / Agur, Anne M

    Clinical anatomy (New York, N.Y.)

    2012  Volume 25, Issue 3, Page(s) 366–372

    Abstract: Differential activation of specific regions within a skeletal muscle has been linked to the presence of neuromuscular compartments. However, few studies have investigated the extra- or intramuscular innervation throughout the muscle volume of extensor ... ...

    Abstract Differential activation of specific regions within a skeletal muscle has been linked to the presence of neuromuscular compartments. However, few studies have investigated the extra- or intramuscular innervation throughout the muscle volume of extensor carpi radialis longus (ECRL) and brevis (ECRB). The aim of this study was to determine the presence of neuromuscular partitions in ECRL and ECRB based on the extra- and intramuscular innervation using three-dimensional modeling. The extra- and intramuscular nerve distribution was digitized and reconstructed in 3D in all the muscle volumes using Autodesk Maya in seven formalin embalmed cadaveric specimens (mean age, 75.7 ± 15.2 years). The intramuscular nerve distribution was modeled in all the muscle volumes. ECRL was found to have two neuromuscular compartments, superficial and deep. One branch from the radial nerve proper was found to innervate ECRL. This branch was divided into anterior and posterior branches to the superficial and deep compartments, respectively. Five innervation patterns were identified in ECRB with partitioning of the muscle belly into two, three, or four compartments, in a proximal to distal direction depending on the number of nerve branches entering the muscle belly. The ECRL and ECRB both demonstrated neuromuscular compartmentalization based on intramuscular innervation. According to the partitioning hypothesis, a muscle may be differentially activated depending on the required function of the muscle, thus allowing multifunctional muscles to contribute to a variety of movements. Therefore, the increased number of neuromuscular partitions in ECRB when compared with ECRL could be due to the need for more differential recruitment in the ECRB depending on force requirements.
    MeSH term(s) Aged ; Cadaver ; Female ; Humans ; Imaging, Three-Dimensional/methods ; Male ; Models, Anatomic ; Muscle Fibers, Skeletal ; Muscle, Skeletal/innervation ; Muscle, Skeletal/physiology ; Wrist/anatomy & histology
    Language English
    Publishing date 2012-04
    Publishing country United States
    Document type Journal Article
    ZDB-ID 1025505-9
    ISSN 1098-2353 ; 0897-3806
    ISSN (online) 1098-2353
    ISSN 0897-3806
    DOI 10.1002/ca.21246
    Database MEDical Literature Analysis and Retrieval System OnLINE

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  3. Article ; Online: Delayed identification of pediatric abuse-related fractures.

    Ravichandiran, Nisanthini / Schuh, Suzanne / Bejuk, Marta / Al-Harthy, Nesrin / Shouldice, Michelle / Au, Hosanna / Boutis, Kathy

    Pediatrics

    2010  Volume 125, Issue 1, Page(s) 60–66

    Abstract: Objectives: Because physicians may have difficulty distinguishing accidental fractures from those that are caused by abuse, abusive fractures may be at risk for delayed recognition; therefore, the primary objective of this study was to determine how ... ...

    Abstract Objectives: Because physicians may have difficulty distinguishing accidental fractures from those that are caused by abuse, abusive fractures may be at risk for delayed recognition; therefore, the primary objective of this study was to determine how frequently abusive fractures were missed by physicians during previous examinations. A secondary objective was to determine clinical predictors that are associated with unrecognized abuse.
    Methods: Children who were younger than 3 years and presented to a large academic children's hospital from January 1993 to December 2007 and received a diagnosis of abusive fractures by a multidisciplinary child protective team were included in this retrospective review. The main outcome measures included the proportion of children who had abusive fractures and had at least 1 previous physician visit with diagnosis of abuse not identified and predictors that were independently associated with missed abuse.
    Results: Of 258 patients with abusive fractures, 54 (20.9%) had at least 1 previous physician visit at which abuse was missed. The median time to correct diagnosis from the first visit was 8 days (minimum: 1; maximum: 160). Independent predictors of missed abuse were male gender, extremity versus axially located fracture, and presentation to a primary care setting versus pediatric emergency department or to a general versus pediatric emergency department.
    Conclusions: One fifth of children with abuse-related fractures are missed during the initial medical visit. In particular, boys who present to a primary care or a general emergency department setting with an extremity fracture are at a particularly high risk for delayed diagnosis.
    MeSH term(s) Accidental Falls/statistics & numerical data ; Age Factors ; Child Abuse/diagnosis ; Child Abuse/statistics & numerical data ; Child, Preschool ; Confidence Intervals ; Delayed Diagnosis/statistics & numerical data ; Diagnosis, Differential ; Emergency Service, Hospital ; Female ; Fractures, Bone/diagnosis ; Fractures, Bone/epidemiology ; Fractures, Bone/etiology ; Humans ; Incidence ; Infant ; Infant, Newborn ; Injury Severity Score ; Male ; Mandatory Reporting ; Needs Assessment ; Odds Ratio ; Ontario ; Physical Examination/methods ; Probability ; Retrospective Studies ; Risk Assessment ; Sex Factors
    Language English
    Publishing date 2010-01
    Publishing country United States
    Document type Comparative Study ; Journal Article ; Research Support, Non-U.S. Gov't
    ZDB-ID 207677-9
    ISSN 1098-4275 ; 0031-4005
    ISSN (online) 1098-4275
    ISSN 0031-4005
    DOI 10.1542/peds.2008-3794
    Database MEDical Literature Analysis and Retrieval System OnLINE

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