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SARS-CoV-2 effects on sperm parameters: a meta-analysis study.
Xie, Y, Mirzaei, M, Kahrizi, MS, Shabestari, AM, Riahi, SM, Farsimadan, M, Roviello, G
Journal of assisted reproduction and genetics. 2022;39(7):1555-1563
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Infertility is a reproductive system disorder. Viruses as a major cause of fertility problems can potentially interfere with reproductive function in men. The severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) was found to be the causing viral pathogen of COVID-19 and capable of affecting human health. The aim of this study was to evaluate the effects of SARS-CoV-2 on different semen parameters including sperm count, sperm concentration, volume, motility, and progressive motility. This study is a meta-analysis of twelve studies of which seven were case control studies and five were retrospective cohort studies. Results show that SARS-CoV-2 infection could lead to significant impairments of male reproductive function through exerting negative influences on different semen parameters namely semen volume, sperm concentration, sperm count, and sperm motility. Authors conclude that their findings revealed the vulnerability of semen quality to SARS-CoV-2 infection.
Abstract
AIM: The rapid outbreak of the coronavirus disease 2019 (COVID-19) pandemic posed challenges across different medical fields, especially reproductive health, and gave rise to concerns regarding the effects of SARS-CoV-2 on male infertility, owing to the fact that the male reproductive system indicated to be extremely vulnerable to SARS-CoV-2 infection. Only a small number of studies have investigated the effects of SARS-CoV-2 on male reproduction, but the results are not consistent. So, we performed this meta-analysis to draw a clearer picture and evaluate the impacts of COVID-19 on male reproductive system. METHOD We searched Embase, Web of Science, PubMed, and Google Scholar databases to identify the potentially relevant studies. Standardized mean difference (SMD) with 95% confidence interval (CI) was applied to assess the relationship. Heterogeneity testing, sensitivity analysis, and publication bias testing were also performed. RESULTS A total of twelve studies including 7 case control investigations and 5 retrospective cohort studies were found relevant and chosen for our research. Our result showed that different sperm parameters including semen volume [SMD = - 0.27 (- 0.46, - 1.48) (p = 0.00)], sperm concentration [SMD = - 0.41 (- 0.67, - 0.15) (p = 0.002)], sperm count [SMD = - 0.30 (- 0.44, - 0.17) (p = 0.00)], sperm motility [SMD = - 0.66 (- 0.98, - 0.33) (p = 0.00)], and progressive motility [SMD = - 0.35 (- 0.61, - 0.08) (p = 0.01)] were negatively influenced by SARS-CoV-2 infection. However, sperm concentration (p = 0.07) and progressive motility (p = 0.61) were not found to be significantly associated with SARS-CoV-2 infection in case control studies. No publication bias was detected. CONCLUSION The present study revealed the vulnerability of semen quality to SARS-CoV-2 infection. Our data showed a strong association of different sperm parameters with SARS-CoV-2 infection. The results suggested that SARS-CoV-2 infection in patients may negatively influence their fertility potential in a short-term period, but more studies are needed to decide about the long-term effects.
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Evidence that Vitamin D Supplementation Could Reduce Risk of Influenza and COVID-19 Infections and Deaths.
Grant, WB, Lahore, H, McDonnell, SL, Baggerly, CA, French, CB, Aliano, JL, Bhattoa, HP
Nutrients. 2020;12(4)
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This narrative review article looks at the role of Vitamin D in reducing the risk of respiratory tract infections, in relation to the incidence and prevalence of influenza and COVID-19. It also discusses how Vitamin D testing and optimisation with supplementation might be a simple measure to reduce risk. The authors site evidence supporting the possible role of Vitamin D: the fact that the outbreak occurred in winter when Vitamin D concentrations are lowest; vitamin D deficiency has been shown to contribute to acute respiratory distress; and case fatality rates increasing with age and incidence of underlying conditions, both of which are associated with lower Vitamin D concentrations. The authors goal is to raise Vitamin D concentrations to 100-150 nmol/l. Nutrition Practitioners wanting to support overall health and resilience to seasonal viral infections may want to consider testing and supplementing Vitamin D.
Abstract
The world is in the grip of the COVID-19 pandemic. Public health measures that can reduce the risk of infection and death in addition to quarantines are desperately needed. This article reviews the roles of vitamin D in reducing the risk of respiratory tract infections, knowledge about the epidemiology of influenza and COVID-19, and how vitamin D supplementation might be a useful measure to reduce risk. Through several mechanisms, vitamin D can reduce risk of infections. Those mechanisms include inducing cathelicidins and defensins that can lower viral replication rates and reducing concentrations of pro-inflammatory cytokines that produce the inflammation that injures the lining of the lungs, leading to pneumonia, as well as increasing concentrations of anti-inflammatory cytokines. Several observational studies and clinical trials reported that vitamin D supplementation reduced the risk of influenza, whereas others did not. Evidence supporting the role of vitamin D in reducing risk of COVID-19 includes that the outbreak occurred in winter, a time when 25-hydroxyvitamin D (25(OH)D) concentrations are lowest; that the number of cases in the Southern Hemisphere near the end of summer are low; that vitamin D deficiency has been found to contribute to acute respiratory distress syndrome; and that case-fatality rates increase with age and with chronic disease comorbidity, both of which are associated with lower 25(OH)D concentration. To reduce the risk of infection, it is recommended that people at risk of influenza and/or COVID-19 consider taking 10,000 IU/d of vitamin D3 for a few weeks to rapidly raise 25(OH)D concentrations, followed by 5000 IU/d. The goal should be to raise 25(OH)D concentrations above 40-60 ng/mL (100-150 nmol/L). For treatment of people who become infected with COVID-19, higher vitamin D3 doses might be useful. Randomized controlled trials and large population studies should be conducted to evaluate these recommendations.
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Association of Blood Glucose Control and Outcomes in Patients with COVID-19 and Pre-existing Type 2 Diabetes.
Zhu, L, She, ZG, Cheng, X, Qin, JJ, Zhang, XJ, Cai, J, Lei, F, Wang, H, Xie, J, Wang, W, et al
Cell metabolism. 2020;31(6):1068-1077.e3
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The novel coronavirus disease 2019 (COVID-19) is caused by infection from the newly emerged, highly contagious coronavirus SARS-CoV-2. The aim of this study was to analyse the association between plasma glucose levels and clinic outcomes in COVID-19 patients with type 2 diabetes (T2D). The study is a retrospective longitudinal, multi-centre study from a cohort of 7,337 COVID-19 cases enrolled among 19 hospitals. Results show that patients with pre-existing T2D received significantly more intensive integrated treatments to manage their symptoms of COVID-19 than the non-diabetic subjects. Furthermore, findings indicate that well-controlled blood glucose was associated with a markedly improved outcome of patients with COVID-19 and pre-existing T2D. Authors conclude that T2D is an important risk factor for COVID-19 progression and adverse endpoints, and well-controlled blood glucose is associated with a significant reduction in the composite adverse outcomes and death.
Abstract
Type 2 diabetes (T2D) is a major comorbidity of COVID-19. However, the impact of blood glucose (BG) control on the degree of required medical interventions and on mortality in patients with COVID-19 and T2D remains uncertain. Thus, we performed a retrospective, multi-centered study of 7,337 cases of COVID-19 in Hubei Province, China, among which 952 had pre-existing T2D. We found that subjects with T2D required more medical interventions and had a significantly higher mortality (7.8% versus 2.7%; adjusted hazard ratio [HR], 1.49) and multiple organ injury than the non-diabetic individuals. Further, we found that well-controlled BG (glycemic variability within 3.9 to 10.0 mmol/L) was associated with markedly lower mortality compared to individuals with poorly controlled BG (upper limit of glycemic variability exceeding 10.0 mmol/L) (adjusted HR, 0.14) during hospitalization. These findings provide clinical evidence correlating improved glycemic control with better outcomes in patients with COVID-19 and pre-existing T2D.
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Targeting the Adipose Tissue in COVID-19.
Malavazos, AE, Corsi Romanelli, MM, Bandera, F, Iacobellis, G
Obesity (Silver Spring, Md.). 2020;28(7):1178-1179
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A UK study showed that 72% of COVID-19 patients in critical care units had either overweight or obesity, whilst studies in Italy have shown that 99% of deaths occurred in patients who had at least one underlying chronic condition, including obesity, diabetes and hypertension. As obesity is tightly connected with diabetes and other inflammatory conditions, it is difficult to separate the effects of the obesity per se, from other chronic conditions that are commonly associated with the obesity. The authors discuss possible molecular mechanisms by which the fat tissue itself may increase the risk of more severe COVID-19 disease, such as angiotensin converting enzyme 2 (ACE2) receptors and dipeptidyl peptidase 4 (two receptors which occur in fat tissue and may be entry points of the virus into the cell) and an imbalance between the secretion of anti‐ and proinflammatory compounds from visceral fat cells. The authors conclude that the role of the adipose (fat) tissue during infectious diseases, such as COVID‐19, could be important and note that this is a modifiable risk factor.
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Risk factors for COVID-19-related mortality in people with type 1 and type 2 diabetes in England: a population-based cohort study.
Holman, N, Knighton, P, Kar, P, O'Keefe, J, Curley, M, Weaver, A, Barron, E, Bakhai, C, Khunti, K, Wareham, NJ, et al
The lancet. Diabetes & endocrinology. 2020;8(10):823-833
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Diabetes, cardiovascular disease, and hypertension are the most common chronic conditions predisposing people to severe COVID-19 disease. The aim of this population-based cohort study, using data from 98% of general practices in England, was to investigate the associations between various risk factors, including poor blood sugar control, and COVID-19-related deaths in people with type 1 and type 2 diabetes. Between Feb 16 and May 11, 2020, 1604 people with type 1 diabetes and 36 291 people with type 2 diabetes died from all causes, of which almost 30% had COVID-19 listed on the death certificate, either a primary underlying or secondary cause of death. Male gender, age and being of Black or Asian ethnicity were associated with an increased mortality from COVID-19. Poor blood sugar control, as determined by HbA1C, prior to infection was strongly associated with COVID-19-related death, independent of other risk factors. Obesity (BMI of 30 or over) as well as being underweight were also significantly associated with COVID-19 mortality. The authors discuss that people with diabetes are at increased risk of many serious infections and that high blood glucose levels are known to impair immunity and may amplify the hyperimmune response associated with severe COVID-19.
Abstract
BACKGROUND Diabetes has been associated with increased COVID-19-related mortality, but the association between modifiable risk factors, including hyperglycaemia and obesity, and COVID-19-related mortality among people with diabetes is unclear. We assessed associations between risk factors and COVID-19-related mortality in people with type 1 and type 2 diabetes. METHODS We did a population-based cohort study of people with diagnosed diabetes who were registered with a general practice in England. National population data on people with type 1 and type 2 diabetes collated by the National Diabetes Audit were linked to mortality records collated by the Office for National Statistics from Jan 2, 2017, to May 11, 2020. We identified the weekly number of deaths in people with type 1 and type 2 diabetes during the first 19 weeks of 2020 and calculated the percentage change from the mean number of deaths for the corresponding weeks in 2017, 2018, and 2019. The associations between risk factors (including sex, age, ethnicity, socioeconomic deprivation, HbA1c, renal impairment [from estimated glomerular filtration rate (eGFR)], BMI, tobacco smoking status, and cardiovascular comorbidities) and COVID-19-related mortality (defined as International Classification of Diseases, version 10, code U07.1 or U07.2 as a primary or secondary cause of death) between Feb 16 and May 11, 2020, were investigated by use of Cox proportional hazards models. FINDINGS Weekly death registrations in the first 19 weeks of 2020 exceeded the corresponding 3-year weekly averages for 2017-19 by 672 (50·9%) in people with type 1 diabetes and 16 071 (64·3%) in people with type 2 diabetes. Between Feb 16 and May 11, 2020, among 264 390 people with type 1 diabetes and 2 874 020 people with type 2 diabetes, 1604 people with type 1 diabetes and 36 291 people with type 2 diabetes died from all causes. Of these total deaths, 464 in people with type 1 diabetes and 10 525 in people with type 2 diabetes were defined as COVID-19 related, of which 289 (62·3%) and 5833 (55·4%), respectively, occurred in people with a history of cardiovascular disease or with renal impairment (eGFR <60 mL/min per 1·73 m2). Male sex, older age, renal impairment, non-white ethnicity, socioeconomic deprivation, and previous stroke and heart failure were associated with increased COVID-19-related mortality in both type 1 and type 2 diabetes. Compared with people with an HbA1c of 48-53 mmol/mol (6·5-7·0%), people with an HbA1c of 86 mmol/mol (10·0%) or higher had increased COVID-19-related mortality (hazard ratio [HR] 2·23 [95% CI 1·50-3·30, p<0·0001] in type 1 diabetes and 1·61 [1·47-1·77, p<0·0001] in type 2 diabetes). In addition, in people with type 2 diabetes, COVID-19-related mortality was significantly higher in those with an HbA1c of 59 mmol/mol (7·6%) or higher than in those with an HbA1c of 48-53 mmol/mol (HR 1·22 [95% CI 1·15-1·30, p<0·0001] for 59-74 mmol/mol [7·6-8·9%] and 1·36 [1·24-1·50, p<0·0001] for 75-85 mmol/mol [9·0-9·9%]). The association between BMI and COVID-19-related mortality was U-shaped: in type 1 diabetes, compared with a BMI of 25·0-29·9 kg/m2, a BMI of less than 20·0 kg/m2 had an HR of 2·45 (95% CI 1·60-3·75, p<0·0001) and a BMI of 40·0 kg/m2 or higher had an HR of 2·33 (1·53-3·56, p<0·0001); the corresponding HRs for type 2 diabetes were 2·33 (2·11-2·56, p<0·0001) and 1·60 (1·47-1·75, p<0·0001). INTERPRETATION Deaths in people with type 1 and type 2 diabetes rose sharply during the initial COVID-19 pandemic in England. Increased COVID-19-related mortality was associated not only with cardiovascular and renal complications of diabetes but, independently, also with glycaemic control and BMI. FUNDING None.
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Fasting blood glucose at admission is an independent predictor for 28-day mortality in patients with COVID-19 without previous diagnosis of diabetes: a multi-centre retrospective study.
Wang, S, Ma, P, Zhang, S, Song, S, Wang, Z, Ma, Y, Xu, J, Wu, F, Duan, L, Yin, Z, et al
Diabetologia. 2020;63(10):2102-2111
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Hyperglycaemia was a risk factor for mortality from severe acute respiratory syndrome (SARS) and Middle East respiratory syndrome (MERS) and is an independent risk factor for lower respiratory tract infection and poor prognosis. The aim of this retrospective study of 605 patients without previously diagnosed diabetes was to examine the association between fasting blood glucose (FBG) on admission and the 28-day in hospital mortality of COVID-19 patients. Patients with a FBG level of 7.0mmol/l or over had more than double the risk of dying than those with a level of 6.0mmol/l or less. Other risk factors for mortality included age, being male, and severity of pneumonia at admission. Compared with patients whose FBG was 6.0mmol/l or lower at admission, patients with FBG of 7.0 mmol/l and above had a 3.99 times higher risk of in-hospital complications, whilst those with FBG of 6.1–6.9 mmol/l had a 2.61 times higher risk of complications. The authors conclude that glycaemic testing and control are important to all COVID-19 patients even where they have no pre-existing diabetes.
Abstract
AIMS/HYPOTHESIS Hyperglycaemia is associated with an elevated risk of mortality in community-acquired pneumonia, stroke, acute myocardial infarction, trauma and surgery, among other conditions. In this study, we examined the relationship between fasting blood glucose (FBG) and 28-day mortality in coronavirus disease 2019 (COVID-19) patients not previously diagnosed as having diabetes. METHODS We conducted a retrospective study involving all consecutive COVID-19 patients with a definitive 28-day outcome and FBG measurement at admission from 24 January 2020 to 10 February 2020 in two hospitals based in Wuhan, China. Demographic and clinical data, 28-day outcomes, in-hospital complications and CRB-65 scores of COVID-19 patients in the two hospitals were analysed. CRB-65 is an effective measure for assessing the severity of pneumonia and is based on four indicators, i.e. confusion, respiratory rate (>30/min), systolic blood pressure (≤90 mmHg) or diastolic blood pressure (≤60 mmHg), and age (≥65 years). RESULTS Six hundred and five COVID-19 patients were enrolled, including 114 who died in hospital. Multivariable Cox regression analysis showed that age (HR 1.02 [95% CI 1.00, 1.04]), male sex (HR 1.75 [95% CI 1.17, 2.60]), CRB-65 score 1-2 (HR 2.68 [95% CI 1.56, 4.59]), CRB-65 score 3-4 (HR 5.25 [95% CI 2.05, 13.43]) and FBG ≥7.0 mmol/l (HR 2.30 [95% CI 1.49, 3.55]) were independent predictors for 28-day mortality. The OR for 28-day in-hospital complications in those with FBG ≥7.0 mmol/l and 6.1-6.9 mmol/l vs <6.1 mmol/l was 3.99 (95% CI 2.71, 5.88) or 2.61 (95% CI 1.64, 4.41), respectively. CONCLUSIONS/INTERPRETATION FBG ≥7.0 mmol/l at admission is an independent predictor for 28-day mortality in patients with COVID-19 without previous diagnosis of diabetes. Glycaemic testing and control are important to all COVID-19 patients even where they have no pre-existing diabetes, as most COVID-19 patients are prone to glucose metabolic disorders. Graphical abstract.
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COVID-19 and diabetes: The why, the what and the how.
Cuschieri, S, Grech, S
Journal of diabetes and its complications. 2020;34(9):107637
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Early reports have shown that individuals with diabetes who contract Covid-19 have higher hospital admissions and mortality rates, classing them as a vulnerable group. This review paper aimed to explain why this group of people are vulnerable and what measures could be recommended. The paper outlined that individuals with diabetes have a compromised immune system due to uncontrolled blood sugar levels. In addition to this, individuals with diabetes and Covid-19 may have a higher risk of organ damage due to the effects of the body's immune response combined with the disordered biological processes associated with their pre-existing condition. Conversely, it was discussed that Covid-19 could exacerbate diabetes progression if the Covid-19 virus entered the cells of the pancreas, causing a blood sugar imbalance. As a result, the importance of optimal blood sugar control was outlined. Several medications were addressed and their benefits/disadvantages discussed. Amongst those reviewed were medications such as GLP-1 agonists, which may help with controlling blood sugar levels and may prevent Covid-19 entering the body's own cells, and metformin, which was initially developed as an anti-influenza drug. Finally the paper discussed diabetes specific precautions to avoid contracting Covid-19. Vitamin D supplementation, regular blood sugar checks, lifestyle measures such as exercise and dietary requirements and allowing individuals with diabetes to have large supplies of their medications to avoid leaving the house were discussed. It was concluded that during the Covid-19 pandemic, individuals with diabetes require particular care in order to avoid additional burden on healthcare systems. For those individuals with diabetes who haven’t contracted Covid-19, this paper could be used to recommend any extra precautions to take to avoid contracting this virus.
Abstract
BACKGROUND The novel coronavirus SARS-CoV-2 has taken the world by storm. Alongside COVID-19, diabetes is a long-standing global epidemic. The diabetes population has been reported to suffer adverse outcomes if infected by COVID-19. The aim was to summarise information and resources available on diabetes and COVID-19, highlighting special measures that individuals with diabetes need to follow. METHODS A search using keywords "COVID-19" and "Diabetes" was performed using different sources, including PubMed and World Health Organization. RESULTS COVID-19 may enhance complications in individuals with diabetes through an imbalance in angiotension-converting enzyme 2 (ACE2) activation pathways leading to an inflammatory response. ACE2 imbalance in the pancreas causes acute β-cell dysfunction and a resultant hyperglycemic state. These individuals may be prone to worsened COVID-19 complications including vasculopathy, coagulopathy as well as psychological stress. Apart from general preventive measures, remaining hydrated, monitoring blood glucose regularly and monitoring ketone bodies in urine if on insulin is essential. All this while concurrently maintaining physical activity and a healthy diet. Different supporting entities are being set up to help this population. CONCLUSION COVID-19 is a top priority. It is important to remember that a substantial proportion of the world's population is affected by other co-morbidities such as diabetes. These require special attention during this pandemic to avoid adding on to the burden of countries' healthcare systems.
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Possible long-term endocrine-metabolic complications in COVID-19: lesson from the SARS model.
Mongioì, LM, Barbagallo, F, Condorelli, RA, Cannarella, R, Aversa, A, La Vignera, S, Calogero, AE
Endocrine. 2020;68(3):467-470
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Coronavirus disease 2019 (Covid-19) is caused by severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2). Little is known about how it affects the endocrine system and it is likely that some patients who have recovered may suffer long-term consequences. The severe acute respiratory syndrome coronavirus (SARS-CoV) that caused the SARS outbreak in 2003 has many similarities. This editorial looks at the possible effects on the endocrine system of SARS-CoV-2 by looking at the long-term effects seen in SARS. In the case of SARS-CoV, it was thought that the virus could directly damage pancreatic cells leading to type 2 diabetes. It is hypothesized that Covid-19 patients could develop this condition by the same mechanism. Although no study on SARS reported the link between obesity and higher mortality rate, there is evidence that obese Covid-19 patients have worse clinical outcomes. There is no data yet for Covid-19, but adrenal insufficiency and impaired thyroid function were shown in some cases of SARS. To identify and treat any possible long-term effects of Covid-19, endocrinologists should monitor hormone levels and metabolic functions.
Abstract
The outbreak of coronavirus disease 2019 (COVID-19), caused by severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2), is centralizing the interest of the scientific world. In the next months, long-term consequences on the endocrine system may arise following COVID-19. In this article, we hypothesized the effects of SARS-CoV-2 taking into account what learned from the severe acute respiratory syndrome coronavirus (SARS-CoV) that caused SARS in 2003.
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Endocrine and metabolic aspects of the COVID-19 pandemic.
Marazuela, M, Giustina, A, Puig-Domingo, M
Reviews in endocrine & metabolic disorders. 2020;21(4):495-507
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Endocrine and metabolic related diseases such as diabetes and obesity may increase the risk of developing severe Covid-19 and as a result these diseases could be severely affected by Covid-19 infection. This very large review paper looked at over 100 studies and outlined the interrelationship between Covid-19 infection and several endocrine diseases. Diabetes, obesity, pituitary-hypothalamic function, thyroid function, Cushing's syndrome and adrenal function were all reviewed. No aim was stated. Data on individuals with obesity and diabetes indicated an increased risk for severe Covid-19 infection, hospitalisation and mortality. Data surrounding pituitary-hypothalamic function, thyroid function, Cushing's syndrome and adrenal function was less abundant, however neurological issues in Covid-19 patients suggested an involvement of the pituitary and hypothalamus. In lieu of sufficient data the author commented on the possible similarities between severe acute respiratory syndrome coronavirus with the Covid-19 virus. A number of management strategies were discussed such as the use of vitamin D, oxytocin and melatonin, however the authors commented on the lack of data regarding oxytocin and melatonin in Covid-19 patients, but mechanistic data suggested they might be of use. No overall conclusions were drawn on the findings. Clinicians could use this paper to understand how patients with pre-existing endocrine and metabolic conditions may be at a higher risk of more severe Covid-19 and if contracted could exacerbate their pre-existing condition. These patients could require constant monitoring and additional measures to avoid contracting Covid-19. Supplements such as vitamin D, oxytocin or melatonin could be therapeutic, however more data needs to be reviewed.
Abstract
COVID-19 infection has tremendously impacted our daily clinical practice as well as our social living organization. Virtually all organs and biological systems suffer from this new coronavirus infection, either because the virus targets directly specific tissues or because of indirect effects. Endocrine diseases are not an exception and some of endocrine organs are at risk of direct or indirect lesion by COVID-19. Although there is still no evidence of higher predisposition to contract the infection in patients with diabetes and/or obesity, the coexistence of these conditions contributes to a worse prognosis because both conditions confer an impaired immunologic system. Cytokines storm can be amplified by these two latter conditions thereby leading to multisystemic failure and death. Glycaemic control has been demonstrated to be crucial to avoiding long hospital stays, ICU requirement and also prevention of excessive mortality. Endocrine treatment modifications as a consequence of COVID-19 infection are required in a proactive manner, in order to avoid decompensation and eventual hospital admission. This is the case of diabetes and adrenal insufficiency in which prompt increase of insulin dosage and substitutive adrenal steroids through adoption of the sick day's rules should be warranted, as well as easy contact with the health care provider through telematic different modalities. New possible endocrinological targets of COVID-19 have been recently described and warrant a full study in the next future.
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Quarantine during COVID-19 outbreak: Changes in diet and physical activity increase the risk of cardiovascular disease.
Mattioli, AV, Sciomer, S, Cocchi, C, Maffei, S, Gallina, S
Nutrition, metabolism, and cardiovascular diseases : NMCD. 2020;30(9):1409-1417
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Current quarantine measures aim to reduce transmission of Covid-19 to prevent deaths and ensure healthcare systems do not become overwhelmed. However the long term effects of quarantine can have negative consequences on an individual’s health. Stress, increased heart related diseases and affected mental health have all been implicated as outcomes of extended quarantine. This review paper aimed to assess the impact of quarantine on lifestyle factors such as nutrition, physical activity and the role of technology in a Covid-19 adapting world. The paper outlines that quarantine may increase chronic stress, which activates certain nervous and hormonal systems, resulting in adverse affects on the heart. However physical data on this in relation to quarantine is lacking. Quarantine can also lead to changes in lifestyle habits, such as an increased intake of sugar-rich food, alcohol and a decrease in physical activity, which may be maintained after quarantine has lifted in response to economic crisis. Stress related eating, the availability of fresh foods and restricted shop opening hours were implicated as reasons why many people switch to unhealthy eating habits. Prevention of Covid-19 through the use of vitamin D was discussed, due to its ability to protect against infection and inflammation, especially in those who are deficient. Preventative measures to quarantine related stress and reducing the risk of heart related diseases were also highlighted through staying physically active and healthy eating strategies. The paper concluded that after the Covid-19 pandemic it is likely that there will be an increase in heart related diseases. Clinicians could use this paper to encourage healthy eating and exercise in patients who have heart related diseases or to decrease the risk of heart related diseases in patients who are suffering from stress as a direct result of quarantine.
Abstract
AIMS: CoV-19/SARS-CoV-2 is a highly pathogenic virus that is causing a global pandemic with a high number of deaths and infected people. To contain the diffusion of infection, several governments have enforced restrictions on outdoor activities or even collective quarantine on the population. The present commentary briefly analyzes the effects of quarantine on lifestyle, including nutrition and physical activity and the impact of new technologies in dealing with this situation. DATA SYNTHESIS Quarantine is associated with stress and depression leading to unhealthy diet and reduced physical activity. A diet poor in fruit and vegetables is frequent during isolation, with a consequent low intake of antioxidants and vitamins. However, vitamins have recently been identified as a principal weapon in the fight against the Cov-19 virus. Some reports suggest that Vitamin D could exert a protective effect on such infection. During quarantine, strategies to further increase home-based physical activity and to encourage adherence to a healthy diet should be implemented. The WHO has just released guidance for people in self-quarantine, those without any symptoms or diagnosis of acute respiratory illness, which provides practical advice on how to stay active and reduce sedentary behavior while at home. CONCLUSION Quarantine carries some long-term effects on cardiovascular disease, mainly related to unhealthy lifestyle and anxiety. Following quarantine, a global action supporting healthy diet and physical activity is mandatory to encourage people to return to a good lifestyle routine.