scholarly journals NO EVIDENCE OF OSTEOPOROSIS IN YOUNG HTLV-1-INFECTED CARRIERS

Author(s):  
Antonio Carlos Silva Santos ◽  
Ney Boa Sorte ◽  
Carolina Carneiro de Campos ◽  
Sandra Rocha Gadelha ◽  
Maria Fernanda Rios Grassi ◽  
...  

Osteoporosis has been reported among Human T-cell Lymphotropic Virus type 1 (HTLV-1) infected aged patients with HTLV-1-associated myelopathy/tropical spastic paraparesis (HAM/TSP) diagnosis. However, the association between osteoporosis and HTLV-1 infection remains unclear. This study aimed to evaluate the presence of bone disorders in young HTLV-1 asymptomatic individuals. A cross sectional study was carried out at the HTLV Reference Center in Salvador, Brazil. Forty-seven HTLV-1 infected asymptomatic and 108 healthy subjects aged between 20 to 45 years were included. Biochemical markers of bone metabolism were measured and bone mineral density (BMD) was determined at the femoral neck and at the lumbar spine (L1 -L4). Significant low BMD (Z-score <-1 ) was found in HTLV-1 infected individuals (1.177 ± 0.103) compared to control subjects (1.225 ± 0.146). In logistics regression analysis HTLV-1 infected subjects were more likely to have low BMD (OR = 3.48; 95%CI 1.29- 9.43) adjusted for low education and body mass index (BMI). Osteoporosis (Z-score <-2) was not found among HTLV-1-infected group. In conclusion, our results found a low BMD in patients infected with HTLV-1 compared to uninfected controls. However, osteoporosis was not observed. Further studies should be conducted to evaluate the relationship between HTLV-1-infection and low BMD.

2018 ◽  
Vol 51 (2) ◽  
pp. 162-167 ◽  
Author(s):  
Erika Pedreira da Fonseca ◽  
Katia Nunes Sá ◽  
Rebeca Freitas Reis Nunes ◽  
Antônio Carlos Ribeiro Junior ◽  
Síntia Freitas Bastos Lira ◽  
...  

2021 ◽  
Vol 5 (Supplement_1) ◽  
pp. A275-A276
Author(s):  
Julie-Catherine Coll ◽  
Élodie Garceau ◽  
Laëtitia Michou ◽  
S John Weisnagel ◽  
Fabrice Mac-Way ◽  
...  

Abstract Context: Individuals with type 1 diabetes (T1D) have a two- to threefold increase in fracture risk at any site, and up to a sevenfold increase in hip fracture risk compared to those without diabetes. The mechanisms accounting for this bone fragility are not yet fully understood. Objectives: 1) To determine factors associated with low bone mineral density (BMD) in patients with T1D; 2) To assess the association between skin advanced glycation end products (AGEs) and low BMD in patients with T1D. Methods: These are preliminary data from patients with T1D included in a cross-sectional study aiming at comparing the prevalence of vertebral fractures between adult patients with T1D from two tertiary care centers and age- and sex-matched controls without diabetes. Patients were eligible if they were aged ≥20 years and had a diagnosis of T1D for at least 5 years. Patients were classified as having a low BMD if Z-score was ≤-2.0 at any site (lumbar spine, femoral neck, total hip, radius) in patients aged &lt;50 years or if T-score was ≤-1.0 at any site in patients aged ≥50 years or in postmenopausal women. Skin AGEs (surrogate marker of overall including bone AGEs) were measured by skin autofluorescence (AGE Reader ®). Unpaired t-tests or Chi-squared tests were used to compare characteristics between patients with or without a low BMD. Variables associated with a low BMD were determined by univariate analysis and were subsequently included in a multivariate logistic regression analysis if p&lt;0.1 in the univariate analysis. All variables were tested for multicollinearity. Results: 106 patients with T1D were included (mean age 45.2±15.0 years; mean BMI 26.3±5.1 kg/m2; 54.7% women; mean duration of diabetes 28.2±13.6 years; 44.3% with a microvascular complication). Mean HbA1C over the past 3 years was 7.5±0.8%. A third of the patients (31.1%) had a low BMD (3 patients using Z-score; 30 patients using T-score). Patients with a low BMD were older (58.3 vs 39.3 years, p&lt;0.001), had a lower mean HbA1C over the past 3 years (7.3% vs 7.6%, p=0.047), a longer diabetes duration (36.1 vs 24.6 years, p&lt;0.001), higher skin AGEs (2.50 vs 2.03, p&lt;0.001), a higher prevalence of microvascular complications (63.6% vs 37.7%, p=0.02) and a higher prevalence of abnormal albumin to creatinine ratio (ACR ≥2.0) on the day of assessment (38.7% vs 11.8%, p=0.003). In multivariate regression analysis, age (p&lt;0.001), abnormal ACR (p=0.003) and lower mean HbA1C over the past 3 years (p=0.02) remained significantly associated with a low BMD. Skin AGEs were correlated with age (r=0.56) and diabetes duration (r=0.47). Conclusion: In this population with T1D, a low BMD was independently associated with older age, abnormal ACR and, unexpectedly, with a lower mean HbA1C over the past 3 years, but not with skin AGEs.


Author(s):  
Dislene Nascimento dos Santos ◽  
Katia Nunes Sá ◽  
Fernanda C. Queirós ◽  
Alaí Barbosa Paixão ◽  
Kionna Oliveira Bernardes Santos ◽  
...  

Diagnostics ◽  
2020 ◽  
Vol 10 (12) ◽  
pp. 1075
Author(s):  
Masliza Hanuni Mat Ali ◽  
Tuan Salwani Tuan Ismail ◽  
Wan Norlina Wan Azman ◽  
Najib Majdi Yaacob ◽  
Norhayati Yahaya ◽  
...  

Thyroid hormones have a catabolic effect on bone homeostasis. Hence, this study aimed to evaluate serum vitamin D, calcium, and phosphate and bone marker levels and bone mineral density (BMD) among patients with different thyroid diseases. This cross-sectional study included patients with underlying thyroid diseases (n = 64, hyperthyroid; n = 53 euthyroid; n = 18, hypothyroid) and healthy controls (n = 64). BMD was assessed using z-score and left hip and lumbar bone density (g/cm2). The results showed that the mean serum vitamin D Levels of all groups was low (<50 nmol/L). Thyroid patients had higher serum vitamin D levels than healthy controls. All groups had normal serum calcium and phosphate levels. The carboxy terminal collagen crosslink and procollagen type I N-terminal propeptide levels were high in hyperthyroid patients and low in hypothyroid patients. The z-score for hip and spine did not significantly differ between thyroid patients and control groups. The hip bone density was remarkably low in the hyperthyroid group. In conclusion, this study showed no correlation between serum 25(OH)D levels and thyroid diseases. The bone markers showed a difference between thyroid groups with no significant difference in BMD.


2016 ◽  
Vol 2016 ◽  
pp. 1-6 ◽  
Author(s):  
Patience Uchenna Tweteise ◽  
Bernard Natukunda ◽  
Joel Bazira

Background. The human T-cell lymphotropic virus types 1 and 2 (HTLV 1/2) are retroviruses associated with different pathologies. HTLV-1 causes adult T-cell leukemia/lymphoma (ATL) and HTLV-1-associated myelopathy/tropical spastic paraparesis (HAM/TSP); HTLV-2 is not clearly associated with a known clinical disease. Both viruses may be transmitted by whole blood transfusion, from mother to child predominantly through breastfeeding, and by sexual contact. Presently, none of the regional blood banks in Uganda perform routine pretransfusion screening for HTLV. The aim of this study was to determine the prevalence of anti-human T-cell lymphotropic virus types 1/2 (HTLV-1/2) antibodies among blood donors at Mbarara Regional Blood Bank in South Western Uganda. A cross-sectional study was conducted between June 2014 and September 2014. Methodology. Consecutive blood samples of 368 blood donors were screened for anti-HTLV-1/2 antibodies using an enzyme linked immunosorbent assay (ELISA). Samples reactive on a first HTLV-1/2 ELISA were further retested in duplicate using the same ELISA. Of the three hundred and sixty-eight blood donors (229 (62.2%) males and 139 (37.8%) females), only two male donors aged 20 and 21 years were HTLV-1/2 seropositive, representing a prevalence of 0.54%. Conclusion. HTLV-1/2 prevalence is low among blood donors at Mbarara Regional Blood Bank. Studies among other categories of people at risk for HTLV 1/2 infection should be carried out.


2020 ◽  
Vol 35 (Supplement_3) ◽  
Author(s):  
Diletta Apuzzo ◽  
Luigi Annicchiarico Petruzzelli ◽  
Serena Ascione ◽  
Adele Corcione ◽  
Deianira Pedoto ◽  
...  

Abstract Background and Aims We describe the relationship between overweight and obesity and Hypertension on ABPM. Method We conducted a cross-sectional study using a database of patients aged 6-16 years, who had undergone 24h ABPM from December 2002 through December 2016. ABPM were performed using the validated device Spacelab 90217. Were evaluated the 24h MAP, daytime MAP, nocturnal MAP, systolic and diastolic load, MAP Systolic and Diastolic. Subjects were grouped by BMI Z-score into overweight (&gt;1&lt;2), obese (BMI Z-score &gt;2&lt;3) and severe obese (BMI Z-score &gt;3). A total of 1016 patients were enrolled and recorded n.1210 ABPMs. Obese pts were 202 (19.8%); 126 M;76F;median age 10,2 y. Overweight childrens were 97 (11.9%);52 M;45F;median age 8,4y. Results Among overweight childrens (BMI Z-Score &gt;1&lt;2): 12 (12.3%) had hypertension, 22 (22.6%) pre-hypertension, 15 (15.4%) MH; non dipping pattern was recorded in 26 (52%). 48 were normotensive. Among obese childrens, 122 had hypertension (60.3%): 24 pts had Masked Hypertension (19.6%); 72 (59.0%) had severe ambulatory hypertension with BMI z-score &gt;3 (mean 3.8) ,and in this category all pts were both systolic and diastolic non dipping. 32 (64%) obese with BMI z-score &gt;2, &lt;3 were non-dipping. Diastolic load was significantly higher (p&gt;0,0001) in severe obese. 28 pts had ambulatory prehypertension (13.8%), 11 pts had White Coat Hypertension (4.9%).41 pts had normotension (20.2%). Conclusion The severity of ambulatory hypertension increased with increased BMI Z-score. The non-dipping status is associated, not only with higher BMI Z-score, but was present in overweight and obese with BMI z-score &gt;2&lt;3 also. ABPM is an effective tool that should become routine in all obese patient, but also in overweight childrens, which may lead to better treatments and prevention methods.


2019 ◽  
Vol 24 (1) ◽  
Author(s):  
Yuji Shimizu ◽  
Hirotomo Yamanashi ◽  
Masayasu Kitamura ◽  
Reiko Furugen ◽  
Takahiro Iwasaki ◽  
...  

Abstract Background Human T cell leukemia virus type-1 (HTLV-1) stimulates inflammation activity. Our previous study revealed a positive association between asymptomatic HTLV-1 infection and advanced periodontitis among elderly Japanese individuals with low levels of hematopoietic activity (reflected by reticulocyte levels). Since low hematopoietic activity has been correlated with low-grade inflammation and low-grade inflammation is associated with atherosclerosis, the status of atherosclerosis could, in turn, determine the nature of this association. Methods To this end, a cross-sectional study of 907 elderly Japanese individuals (aged 60–99 years), who had participated in dental health check-up during the period 2016–2018, was conducted. Advanced periodontitis was defined as periodontal pocket ≥ 6.0 mm. Results Among the study population, 295 (32.5%) were found to have atherosclerosis defined as a carotid intima-media thickness (CIMT) of ≥ 1.1 mm. HTLV-1 infection was positively associated with advanced periodontitis in participants with atherosclerosis, but no significant associations were observed among the participants without atherosclerosis. The known risk factors’ (including reticulocyte and CIMT) adjusted odds ratio (OR) and 95% confidence interval (CI) of advanced periodontitis were OR 2.01 and 95% CI 1.06–3.81 for participants with atherosclerosis and OR 0.61 and 95% CI 0.34–1.12 for participants without atherosclerosis. Conclusion This study found a significant association between HTLV-1 infection and advanced periodontitis among elderly Japanese with atherosclerosis. However, this association is absent in individuals without atherosclerosis, suggesting that atherosclerosis might act as a determinant in the association between HTLV-1 infection and advanced periodontitis among elderly Japanese.


2021 ◽  
Vol 104 (3) ◽  
pp. 432-437

Objective: To demonstrate the relationship between anemia and complete blood count (CBC) parameters with bone mineral density (BMD) in postmenopausal women. Materials and Methods: A cross-sectional chart-review study was conducted between November 2017 and June 2019. Three hundred twenty-four postmenopausal women aged 50 years or older who had BMD and CBC results were included in the present study. Results: The prevalence of osteopenia and osteoporosis diagnosed by T-score were 53.1% and 32.7%, respectively. Simple and multiple linear regression analyses showed that no association between CBC parameter with BMD except basophil count, which was negatively associated with BMD (p=0.011). There was no correlation between anemia and BMD status (p=0.168). Conclusion: CBC parameters such as hemoglobin or white blood cell count were not statistically correlated with BMD. This is the first study demonstrating that basophil count may be an associated factor for deceased BMD. Keywords: Postmenopausal women, Bone mineral density, Complete blood count, Basophil


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