Vitamin D Deficiency and Unclear Abdominal Pain in Patients from Low- and Middle-Income Countries.

Doulberis, Michael; Papaefthymiou, Apostolis; Kountouras, Jannis; Polyzos, Stergios A; Srivastava, Simone; Klukowska-Rötzler, Jolanta; Perrig, Martin; Papoutsi, Sylvana; Exadaktylos, Aristomenis K.; Srivastava, David Shiva (2019). Vitamin D Deficiency and Unclear Abdominal Pain in Patients from Low- and Middle-Income Countries. International journal of environmental research and public health, 16(23), pp. 1-13. MDPI 10.3390/ijerph16234607

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Background: Abdominal pain is one of the commonest symptoms in emergency departments (EDs). Diagnosis demands full attention and critical thinking, since many diseases manifest atypically and the consequences of overlooking the symptoms may be disastrous. Despite intensive diagnostic procedures, some cases remain elusive and unclear abdominal pain (UAP) is not infrequent. Emerging evidence supports the hypothesis that functional pain might be attributed to vitamin D deficiency (VDD). People with darker or covered skin are predisposed to developing VDD. Patients in Switzerland stemming from low- and middle-income countries (LMIC) are such a population. Aim: To identify cases with UAP in LMIC patients and to compare vitamin D status with a control group. Methods: A retrospective single-center case-control study was carried out from 1 January 2013 to 31 August 2016 in all adult patients (more than 16 years old) stemming from LMIC and presenting at the university ED of Bern with abdominal pain. Vitamin D status was retrieved from these cases when available. The control group consisted of patients without abdominal pain or metabolic diseases and was matched (1:1) to the cases for age, gender, body mass index, geographic distribution, and season of vitamin D estimation. Results: A total of 10,308 cases from LMIC were reported to the ED. In total, 223 cases were identified with UAP. The status of vitamin D was available for 27 patients; 27 matched individuals were subsequently retrieved for the control group. Women made up 56.7% of the UAP group and 43.3% of the control group. The most common origin of the LMIC subjects was southern Europe (20.4%), followed by southern Asia (16.7%) and Eastern Europe (13%). Fourteen UAP patients exhibited severe VDD (< 25 nmol/L) versus one in the control group (p = 0.001). The difference remained significant if the patients were identified as having VDD (<50 nmol/L) or not (p = 0.024). Comparison of the means indicated that the UAP group had lower vitamin D levels than the control group (41.3 vs. 53.7 nmol/L, respectively), but this difference was marginal (p = 0.060) and not statistically significant. After adjustment for potential confounders, including gender, mean vitamin D levels remained non-significantly different between groups. In the sub-group analysis, vitamin D levels were lower in women than in men (p = 0.037), compared to the respective controls. Conclusion: This study showed for the first time that patients from LMIC who presented to ED with UAP displayed VDD. Validation from larger studies is warranted to evaluate the linkage of VDD with UAP.

Item Type:

Journal Article (Original Article)

Division/Institute:

04 Faculty of Medicine > Department of Gastro-intestinal, Liver and Lung Disorders (DMLL) > Clinic of Visceral Surgery and Medicine
04 Faculty of Medicine > Department of Intensive Care, Emergency Medicine and Anaesthesiology (DINA) > University Emergency Center
04 Faculty of Medicine > Department of General Internal Medicine (DAIM) > Clinic of General Internal Medicine
04 Faculty of Medicine > Department of General Internal Medicine (DAIM) > Clinic of General Internal Medicine > Centre of Competence for General Internal Medicine

UniBE Contributor:

Srivastava, Simone; Klukowska-Rötzler, Jolanta; Perrig, Martin; Papoutsi-Ingold, Sylvana; Exadaktylos, Aristomenis and Srivastava, David Shiva

Subjects:

600 Technology > 610 Medicine & health

ISSN:

1661-7827

Publisher:

MDPI

Language:

English

Submitter:

Christine Baumgartner

Date Deposited:

16 Dec 2019 15:25

Last Modified:

16 Dec 2019 15:25

Publisher DOI:

10.3390/ijerph16234607

PubMed ID:

31757059

Uncontrolled Keywords:

abdominal pain emergency department irritable bowel syndrome (IBS)1. Introduction low income middle income migrants vitamin D

BORIS DOI:

10.7892/boris.136030

URI:

https://boris.unibe.ch/id/eprint/136030

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