Geographic variation in the association between Hashimoto's thyroiditis and Papillary thyroid carcinoma, a meta-analysis.

PURPOSE: The association between papillary thyroid cancer (PTC) and Hashimoto's thyroiditis (HT) remains a matter of debate. Several genetic and environmental factors have been found to influence this association. Because of the variation in these factors among different populations, we conducted a country- and region-based meta-analysis to examine whether the geographic area influences this association. METHODS: We searched PubMed and Web of Science databases for original articles that investigated the association between HT and PTC from February 1955 to February 28, 2023. The included studies were stratified according to their country and region of origin. Various subgroup analyses were conducted. The primary outcome was the pooled relative risk (RR) and its 95% confidence interval (CI) for each region and country. RESULTS: Forty-six studies including a total of 93,970 participants met our inclusion criteria. They originated from 16 countries distributed in five regions. Significant variation was found among countries but not among regions. Upon analysis of all 46 included studies, countries were classified based on their RR and its 95% CI. Excluding countries with pooled sample sizes <500, Sri Lanka (RR 4.23, 95% CI 2.91-6.14), Poland (RR 3.16, 95% CI 2.79-3.57) and Japan (2.68, 2.14-3.36) showed the strongest association between HT and PTC while Greece (RR 1.06, 95% CI 1.00-1.13), Spain (RR 0.70, 95% CI 0.23-2.11), and Jordan (0.62, 0.32-1.32) showed no significant association. CONCLUSION: Our findings revealed a variation in the association between HT and PTC among countries but not among regions. The country-to-country variation could be due to certain genetic and/or environmental factors subject to geographic variation that influence this association. These findings may help guide health policies aiming to mitigate the risk of PTC in the HT population by helping identify high-risk and low-risk countries.

The Effect of Benson Relaxation Technique on Depression, Anxiety, and Stress of Jordanian Patients Diagnosed with Multiple Sclerosis: A Cross-Sectional Study.

Depression, anxiety, and stress (DAS) are common symptoms of multiple sclerosis (MS) patients and are highly correlated with poor quality of life. Managing DAS among such patients can improve their quality of life (QoL), empowering them with improved autonomy, self-care, independency, and ability to perform daily activities. This study is aimed at examining the effectiveness of the Benson Relaxation Technique (BRT) on reducing DAS among patients diagnosed with MS in Jordan. This quasiexperimental study of 105 Jordanian patients diagnosed with multiple sclerosis tested an intervention group (60 patients) who received BRT and a control group (45 patients) who received normal treatment. Data were collected from January 2021 to April 2021, using the Arabic version of the Depression Anxiety Stress Scale (DASS21). The intervention group was instructed to perform the BRT two times a day for 10 minutes at home for eight weeks at two specific times, with 7-8-hour intervals between each episode. STROBE guidelines were followed in reporting the review. At the baseline comparison, there was no statistical difference between the interventional and control groups with regard to DAS. The levels of DAS between the two groups after three months of the last sessions of the intervention (postintervention) were compared. The results showed that the intervention group had significantly lower levels of DAS compared to the control group. The levels of the DAS were significantly lower for the intervention group postintervention. Adding relaxation techniques to the therapeutic routine is a cost-effective complementary treatment to decrease DAS among MS patients and improve their QoL. Relevance to Practice. This study provides a baseline of data that could facilitate further investigations in the future to improve the quality of services delivered to such patients and thus their QoL and satisfaction.