MyMedR

Fulltext Obstructive retrosternal goitre mimicking severe bronchial asthma in pregnancy

Loo GH, Wan Mat WR, Muhammad R, Azman M

BMJ Case Rep, 2019 Aug 04;12(8).

PMID: 31383679 DOI: 10.1136/bcr-2019-229763

Acute airway obstruction in pregnancy remains a challenge to manage. Failure of appropriate and timely airway management may lead to maternal morbidity and mortality such as aspiration pneumonitis or worst hypoxaemic cardiopulmonary arrest. 1 As pregnancy may exacerbate asthma attacks, parturient presenting with wheezing or shortness of breath will commonly be treated as suffering from an asthmatic attack. 2 However, it is important to note other possible differential diagnoses. Thyroid disease is relatively common in women of childbearing age. The thyroid gland undergoes several changes during pregnancy, which may lead to altered function as well as gland enlargement and cause upper airway obstruction and symptoms similar to a bronchial asthma attack. 3 4 With that in mind, we report a case of a parturient with long-standing goitre in her second trimester who presented to our institution with acute respiratory symptoms and cardiopulmonary arrest.

Fulltext Unilateral neglect or alien hand syndrome? A diagnostic challenge

Wan Yusoff WR, Hanafi MH, Ibrahim AH, Kassim NK, Suhaimi A

J Taibah Univ Med Sci, 2021 Apr;16(2):288-291.

PMID: 33897336 DOI: 10.1016/j.jtumed.2020.12.003

Alien hand syndrome (AHS) is a rare post-stroke complication. Although the occurrence of AHS after stroke is rare, it can have a disabling impact on the lifestyle and career of the patients post stroke. It is difficult to distinguish AHS from the non-dominant hemispheric infarction with symptoms of hemianopia and left hemineglect, as patients with AHS can also have neglect as well as behaviour symptoms if the frontal lobe is involved. We report the case of a 62-year-old gentleman who was admitted to the rehabilitation ward and was treated for neglect and apraxia following right middle cerebral artery stroke. After further re-evaluation, the patient was diagnosed with AHS. Functionally, he improved and the symptoms disappeared four months after the stroke. In this case report, we highlight the features of AHS and provide a unique management approach.

Fulltext The Brain-Derived Neurotrophic Factor (BDNF) gene Val66Met (rs6265) polymorphism and stress among preclinical medical students in Malaysia

Al-Hatamleh MAI, Hussin TMAR, Taib WRW, Ismail I

J Taibah Univ Med Sci, 2019 Oct;14(5):431-438.

PMID: 31728141 DOI: 10.1016/j.jtumed.2019.09.003

OBJECTIVE: This study aimed to determine the allelic and genotypic association of the Val66Met (rs6265) polymorphism in the BDNF gene with stress levels in preclinical medical students of Universiti Sultan Zainal Abidin (UniSZA), Terengganu, Malaysia.

METHODS: In this cross-sectional study, we recruited all 122 preclinical medical students. The validated depression anxiety stress scales-21 (DASS-21) questionnaire was distributed and blood samples were collected from each subject for DNA extraction. Genotyping analysis of the BDNF gene (Val66Met) polymorphism was performed via an optimised polymerase chain reaction-restriction fragment length polymorphism (PCR-RFLP) method.

RESULTS: A total of 105 subjects agreed to participate in this study. Indian students were found to more likely have the Val/Val genotype, whereas Malay students were more likely to have the Met/Met genotype (p = 0.027). Individuals carrying any one of the three BDNF genotypes (Val/Val, Val/Met and Met/Met) differed significantly from each other in terms of their perception of stress (p = 0.010); students carrying the Val/Val genotype (M = 10.6) perceived significantly lower stress than students carrying the Val/Met (M = 14) and Met/Met (M = 15.1) genotypes.

CONCLUSION: In our study, the Met-allele was associated with higher stress levels. To the best of our knowledge, this is the first study investigating this stress-related gene in medical students. The findings from this study should trigger more investigators to focus on the impact of stress on genetically predisposed medical students.

Fulltext Editorial: The immunological regulation of extracellular vesicles on chronic diseases

Wan R, Chen P, Guo S, Zhu J, Mei J, Mai CW, et al.

Front Immunol, 2024;15:1442387.

PMID: 38957467 DOI: 10.3389/fimmu.2024.1442387

Fulltext Author Correction: Perceptions of the appropriate response to norm violation in 57 societies

Eriksson K, Strimling P, Gelfand M, Wu J, Abernathy J, Akotia CS, et al.

Nat Commun, 2021 Apr 26;12(1):2483.

PMID: 33903599 DOI: 10.1038/s41467-021-22955-x

Fulltext Perceptions of the appropriate response to norm violation in 57 societies

Eriksson K, Strimling P, Gelfand M, Wu J, Abernathy J, Akotia CS, et al.

Nat Commun, 2021 03 05;12(1):1481.

PMID: 33674587 DOI: 10.1038/s41467-021-21602-9

Norm enforcement may be important for resolving conflicts and promoting cooperation. However, little is known about how preferred responses to norm violations vary across cultures and across domains. In a preregistered study of 57 countries (using convenience samples of 22,863 students and non-students), we measured perceptions of the appropriateness of various responses to a violation of a cooperative norm and to atypical social behaviors. Our findings highlight both cultural universals and cultural variation. We find a universal negative relation between appropriateness ratings of norm violations and appropriateness ratings of responses in the form of confrontation, social ostracism and gossip. Moreover, we find the country variation in the appropriateness of sanctions to be consistent across different norm violations but not across different sanctions. Specifically, in those countries where use of physical confrontation and social ostracism is rated as less appropriate, gossip is rated as more appropriate.

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