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Comparative safety and cardiovascular effectiveness of sodium-glucose cotransporter-2 inhibitors and glucagon-like peptide-1 receptor agonists in nursing homes. Diabetes Obes Metab 2024. [PMID: 38779879 DOI: 10.1111/dom.15682] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 03/05/2024] [Revised: 05/01/2024] [Accepted: 05/10/2024] [Indexed: 05/25/2024]
Abstract
AIM Studies examining the safety and effectiveness of sodium-glucose cotransporter-2 inhibitors (SGLT2is) versus glucagon-like peptide-1 receptor agonists (GLP-1RAs) among community-dwelling adults may not generalize to nursing home (NH) residents, who are typically older and more multimorbid. We compared the safety and cardiovascular effectiveness of SGLT2is and GLP-1RAs among US NH residents. MATERIALS AND METHODS Eligible individuals were aged ≥66 years with type 2 diabetes mellitus and initiated an SGLT2i or GLP-1RA in an NH between 2013 and 2018. Safety outcomes included fall-related injuries, hypoglycaemia, diabetic ketoacidosis (DKA), urinary tract infection or genital infection, and acute kidney injury in the year following treatment initiation. Cardiovascular effectiveness outcomes included death, major adverse cardiovascular events and hospitalization for heart failure. Per-protocol adjusted hazard ratios (HR) were calculated using stabilized inverse probability of treatment and censoring weighted cause-specific hazard regression models accounting for 127 covariates. RESULTS The study population included 7710 residents (31.08% SGLT2i, 68.92% GLP-1RA). Compared with GLP-1RA initiators, SGLT2i initiators had higher rates of DKA (HR 1.95, 95% confidence limits 1.27, 2.99) and death (HR 1.18, 95% confidence limits 1.02, 1.36). Rates of urinary tract infection or genital infection, acute kidney injury, major adverse cardiovascular events, and heart failure were also elevated, while rates of fall-related injuries and hypoglycaemia were reduced, but all estimates were imprecise and highly compatible with no difference. CONCLUSIONS SGLT2is do not have superior, and may have inferior, effectiveness compared with GLP-1RAs for cardiovascular and mortality outcomes in NH residents. Residents initiating SGLT2is should be monitored closely for DKA.
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Impact of remission from type 2 diabetes on long-term health outcomes: findings from the Look AHEAD study. Diabetologia 2024; 67:459-469. [PMID: 38233592 PMCID: PMC10844408 DOI: 10.1007/s00125-023-06048-6] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 02/11/2023] [Accepted: 09/28/2023] [Indexed: 01/19/2024]
Abstract
AIMS/HYPOTHESIS We examined the association of attainment of diabetes remission in the context of a 12 year intensive lifestyle intervention with subsequent incidence of chronic kidney disease (CKD) and CVD. METHODS The Look AHEAD study was a multi-centre RCT comparing the effect of a 12 year intensive lifestyle intervention with that of diabetes support and education on CVD and other long-term health conditions. We compared the incidence of CVD and CKD among 4402 and 4132 participants, respectively, based on achievement and duration of diabetes remission. Participants were 58% female, and had a mean age of 59 years, a duration of diabetes of 6 year and BMI of 35.8 kg/m2. We applied an epidemiological definition of remission: taking no diabetes medications and having HbA1c <48 mmol/mol (6.5%) at a single point in time. We defined high-risk or very high-risk CKD based on the Kidney Disease Improving Global Outcomes (KDIGO) criteria, and CVD incidence as any occurrence of non-fatal acute myocardial infarction, stroke, admission for angina or CVD death. RESULTS Participants with evidence of any remission during follow-up had a 33% lower rate of CKD (HR 0.67; 95% CI 0.52, 0.87) and a 40% lower rate of the composite CVD measure (HR 0.60; 95% CI 0.47, 0.79) in multivariate analyses adjusting for HbA1c, BP, lipid levels, CVD history, diabetes duration and intervention arm, compared with participants without remission. The magnitude of risk reduction was greatest for participants with evidence of longer-term remission. CONCLUSIONS/INTERPRETATION Participants with type 2 diabetes with evidence of remission had a substantially lower incidence of CKD and CVD, respectively, compared with participants who did not achieve remission. This association may be affected by post-baseline improvements in weight, fitness, HbA1c and LDL-cholesterol. TRIAL REGISTRATION ClinicalTrials.gov NCT00017953 DATA AVAILABILITY: https://repository.niddk.nih.gov/studies/look-ahead/.
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Advancing type 2 diabetes therapy with iGlarLixi in older people: Pooled analysis of four randomized controlled trials. Diabetes Obes Metab 2024; 26:851-859. [PMID: 38082473 DOI: 10.1111/dom.15377] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 07/26/2023] [Revised: 10/23/2023] [Accepted: 11/02/2023] [Indexed: 12/22/2023]
Abstract
AIM To assess the efficacy and safety of iGlarLixi in older people (≥65 years) with type 2 diabetes (T2D) advancing or switching from oral agents, a glucagon-like peptide-1 receptor agonist (GLP-1RA), or basal insulin. MATERIALS AND METHODS The data of participants aged <65 years and ≥65 years from four LixiLan trials (LixiLan-O, LixiLan-G, LixiLan-L, SoliMix) were evaluated over 26 or 30 weeks. RESULTS Participants aged <65/≥65 years (n = 1039/n = 497) had a mean baseline body mass index of 31.4 and 30.7 kg/m2 and glycated haemoglobin (HbA1c) concentration of 66 mmol/mol (8.2%) and 65 mmol/mol (8.1%), respectively. Least squares mean HbA1c change from baseline to end of treatment (EOT) was -14.32 mmol/mol (-1.31%) (95% confidence interval [CI] -14.97, -13.77 [-1.37%, -1.26%]) for those aged <65 years and -13.66 mmol/mol (-1.25%) (95% CI -14.54, -12.79 [-1.33%, -1.17%]) for those aged ≥65 years. At EOT, achievement of HbA1c targets was similar between the group aged <65 years and the group aged ≥65 years: <53 mmol/mol (<7%) (59.0% and 56.5%, respectively), <59 mmol/mol (<7.5%) (75.5% and 73.0%, respectively) and <64 mmol/mol (<8%) (83.8% and 84.1%, respectively). The incidence and event rate of American Diabetes Association Level 1 hypoglycaemia during the studies were also comparable between the two groups: 26.7% and 28.2% and 1.7 and 2.1 events per patient-year for the group aged <65 years and the group aged ≥65 years, respectively. A clinically relevant reduction in HbA1c (>1% from baseline for HbA1c ≥64 mmol/mol [≥8%] or ≥0.5% from baseline for HbA1c <64 mmol/mol [<8%]) without hypoglycaemia was attained by 50.0% and 47.6% of participants aged <65 years and ≥65 years, respectively. Adverse events were similar between the two age groups. CONCLUSIONS iGlarLixi is a simple, well-tolerated, once-daily alternative for treatment advancement in older people with T2D that provides significant improvements in glycaemic control without increasing hypoglycaemia risk, thus reducing the treatment burden.
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Use of Technologies at the Advanced Age. Diabetes Technol Ther 2024; 26:S172-S186. [PMID: 38441458 DOI: 10.1089/dia.2024.2511] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 03/07/2024]
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Use of Telemedicine in Adults with Type 1 Diabetes: Do Age and Use of Diabetes-Related Technology Matter? Telemed J E Health 2023; 29:1374-1382. [PMID: 36695656 DOI: 10.1089/tmj.2022.0397] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/26/2023] Open
Abstract
Objective: Older adults are generally less proficient in technology use compared with younger adults. Data on telemedicine use during the COVID-19 pandemic in older persons with type 1 diabetes (T1D) and the association of telemedicine with the use of diabetes-related technology are limited. We evaluated care delivery to older adults compared with younger adults with T1D in a prepandemic and pandemic period. Methods: Data from electronic health records were evaluated for visit types (in-person, phone, and video) from two sequential 12-month intervals: prepandemic (April 2019-March 2020) and pandemic (April 2020-March 2021). Results: Data from 2,832 unique adults with T1D were evaluated in two age cohorts: younger (40-64 years) and older (≥65 years). Half of each group used continuous glucose monitoring (CGM), whereas 54% of the younger and 37% of the older cohort used pump therapy (p < 0.001). During the pandemic compared with the prepandemic period, visit frequency increased in both the younger (0.65 vs. 0.76 visits/patient/quarter; p < 0.01) and older (0.72 vs. 0.80 visits/patient/quarter; p < 0.01) cohorts. During the pandemic, older adults used more phone visits compared with younger adults (48% vs. 32%; p = 0.001). Patients using either pump therapy or CGM were more likely to use video visits compared with phone visits in both younger (41% vs. 24%; p < 0.001) and older cohorts (53% vs. 42%; p < 0.001). Conclusions: Adults using diabetes-related technologies, independent of age, accessed more video visits than those not using devices. Telemedicine visits appeared to maintain continuity of care for younger and older adults with T1D, supporting the future of a hybrid-care model.
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The Growing Role of Technology in the Care of Older Adults With Diabetes. Diabetes Care 2023; 46:1455-1463. [PMID: 37471606 PMCID: PMC10369127 DOI: 10.2337/dci23-0021] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 03/03/2023] [Accepted: 05/24/2023] [Indexed: 07/22/2023]
Abstract
The integration of technologies such as continuous glucose monitors, insulin pumps, and smart pens into diabetes management has the potential to support the transformation of health care services that provide a higher quality of diabetes care, lower costs and administrative burdens, and greater empowerment for people with diabetes and their caregivers. Among people with diabetes, older adults are a distinct subpopulation in terms of their clinical heterogeneity, care priorities, and technology integration. The scientific evidence and clinical experience with these technologies among older adults are growing but are still modest. In this review, we describe the current knowledge regarding the impact of technology in older adults with diabetes, identify major barriers to the use of existing and emerging technologies, describe areas of care that could be optimized by technology, and identify areas for future research to fulfill the potential promise of evidence-based technology integrated into care for this important population.
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Association of Type 2 Diabetes Subgroups With Cognitive Status Without Modification From Lifestyle Intervention. J Clin Endocrinol Metab 2023; 108:e334-e342. [PMID: 36472933 PMCID: PMC10413427 DOI: 10.1210/clinem/dgac706] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 08/29/2022] [Revised: 11/16/2022] [Accepted: 12/02/2022] [Indexed: 12/12/2022]
Abstract
CONTEXT Type 2 diabetes is a risk factor for incident dementia but whether risk and treatment/prevention strategies differ by diabetes subgroup is unknown. OBJECTIVE We assessed (1) whether specific type 2 diabetes (T2D) subgroups are associated with mild cognitive impairment (MCI) or probable dementia (PD), and (2) whether T2D subgroups modified the association of the Action for Health in Diabetes (Look AHEAD) multidomain intensive lifestyle intervention (ILI) with MCI/PD. METHODS We included 3760 Look AHEAD participants with T2D and overweight or obesity randomly assigned to 10 years of ILI or diabetes support and education. We used k-means clustering techniques with data on age of diabetes diagnosis, body mass index, waist circumference, and glycated hemoglobin (HbA1c) to characterize diabetes subgroups at randomization. Prevalent MCI/PD were centrally adjudicated based on standardized cognitive tests and other health information 10 to 13 years after randomization. We estimated marginal probabilities for prevalent MCI/PD among T2D subgroups with adjustment for potential confounders and attrition and examined whether ILI modified any associations. RESULTS Four distinct T2D subgroups were identified, characterized by older age at diabetes onset (43% of sample), high HbA1c (13%), severe obesity (23%), and younger age at onset (22%). Unadjusted prevalence of MCI/PD (314 cases, 8.4%) differed across T2D subgroup (older onset = 10.5%, severe obesity = 9.0%, high HbA1c = 7.9%, and younger onset = 4.0%). Adjusted probability for MCI/PD within T2D subgroup was highest for the severe obesity subgroup and lowest for the younger onset subgroup but did not differ by ILI arm (interaction P value = 0.84). CONCLUSIONS Among individuals with T2D and overweight or obesity, probability of MCI/PD differed by T2D subgroup. Probability of MCI/PD was highest for a subgroup characterized by severe obesity. CLINICALTRIALS.GOV IDENTIFIER NCT00017953.
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Self-care barriers and facilitators in older adults with T1D during a time of sudden isolation. Sci Rep 2023; 13:7026. [PMID: 37120574 PMCID: PMC10148576 DOI: 10.1038/s41598-023-33746-3] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/18/2023] [Accepted: 04/18/2023] [Indexed: 05/01/2023] Open
Abstract
Older adults with type 1 diabetes (T1D) have unique challenges and needs. In this mixed-methods study, we explored the impact of isolation during a pandemic on diabetes management and overall quality of life in this population. Older adults (age ≥ 65 years) with T1D receiving care at a tertiary care diabetes center participated in semi-structured interviews during COVID-19 pandemic isolation between June and August 2020. A multi-disciplinary team coded transcripts and conducted thematic analysis. Thirty-four older adults (age 71 ± 5 years, 97% non-Hispanic white, diabetes duration of 38 ± 7 years, A1C of 7.4 ± 0.9% (57.3 ± 10.1 mmol/mol) were recruited. Three themes related to diabetes self-care emerged regarding impact of isolation on: (1) diabetes management and self-care behaviors (how isolation prompted changes in physical activity and dietary habits); (2) emotional stress and anxiety (related to isolation and lack of support system, economic concerns); and (3) concerns regarding the COVID-19 pandemic (impact on timely medical care and access to information). Our findings identify modifiable barriers and challenges faced by older adults with T1D during isolation. As this population has a higher risk of decline in physical and psychosocial support even during non-pandemic times, clinicians will benefit from understanding these issues to improve care of this population.
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Association of Metformin With the Development of Age-Related Macular Degeneration. JAMA Ophthalmol 2023; 141:140-147. [PMID: 36547967 PMCID: PMC9936345 DOI: 10.1001/jamaophthalmol.2022.5567] [Citation(s) in RCA: 4] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/10/2022] [Accepted: 10/29/2022] [Indexed: 12/24/2022]
Abstract
Importance Age-related macular degeneration (AMD) is a leading cause of blindness with no treatment available for early stages. Retrospective studies have shown an association between metformin and reduced risk of AMD. Objective To investigate the association between metformin use and age-related macular degeneration (AMD). Design, Setting, and Participants The Diabetes Prevention Program Outcomes Study is a cross-sectional follow-up phase of a large multicenter randomized clinical trial, Diabetes Prevention Program (1996-2001), to investigate the association of treatment with metformin or an intensive lifestyle modification vs placebo with preventing the onset of type 2 diabetes in a population at high risk for developing diabetes. Participants with retinal imaging at a follow-up visit 16 years posttrial (2017-2019) were included. Analysis took place between October 2019 and May 2022. Interventions Participants were randomly distributed between 3 interventional arms: lifestyle, metformin, and placebo. Main Outcomes and Measures Prevalence of AMD in the treatment arms. Results Of 1592 participants, 514 (32.3%) were in the lifestyle arm, 549 (34.5%) were in the metformin arm, and 529 (33.2%) were in the placebo arm. All 3 arms were balanced for baseline characteristics including age (mean [SD] age at randomization, 49 [9] years), sex (1128 [71%] male), race and ethnicity (784 [49%] White), smoking habits, body mass index, and education level. AMD was identified in 479 participants (30.1%); 229 (14.4%) had early AMD, 218 (13.7%) had intermediate AMD, and 32 (2.0%) had advanced AMD. There was no significant difference in the presence of AMD between the 3 groups: 152 (29.6%) in the lifestyle arm, 165 (30.2%) in the metformin arm, and 162 (30.7%) in the placebo arm. There was also no difference in the distribution of early, intermediate, and advanced AMD between the intervention groups. Mean duration of metformin use was similar for those with and without AMD (mean [SD], 8.0 [9.3] vs 8.5 [9.3] years; P = .69). In the multivariate models, history of smoking was associated with increased risks of AMD (odds ratio, 1.30; 95% CI, 1.05-1.61; P = .02). Conclusions and Relevance These data suggest neither metformin nor lifestyle changes initiated for diabetes prevention were associated with the risk of any AMD, with similar results for AMD severity. Duration of metformin use was also not associated with AMD. This analysis does not address the association of metformin with incidence or progression of AMD.
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Psychological resilience in older adults with type 2 diabetes from the Look AHEAD Trial. J Am Geriatr Soc 2023; 71:206-213. [PMID: 36196673 PMCID: PMC9944500 DOI: 10.1111/jgs.17986] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/26/2022] [Revised: 06/01/2022] [Accepted: 06/15/2022] [Indexed: 01/29/2023]
Abstract
BACKGROUND There is growing interest in identifying factors associated with healthy aging. This cross-sectional study evaluated associations of psychological resilience with factors associated with aging in older adults with type 2 diabetes mellitus (T2DM). METHODS Participants were 3199 adults (72.2 ± 6.2 years of age, 61% female, 61% White, body mass index [BMI] = 34.2 ± 8.2 kg/m2 ) with T2DM enrolled in Look AHEAD (a multi-site randomized clinical trial comparing an intensive lifestyle intervention for weight loss to diabetes education and support). Participants were followed observationally after the 10-year intervention was discontinued. The following items were assessed approximately 14.4 years post-randomization in a cross-sectional analysis: Brief Resilience Scale; overnight hospitalizations in past year; physical functioning measured objectively (gait speed, grip strength) and via self-report (Pepper Assessment Tool for Disability; physical quality of life [QOL; SF-36]); a measure of phenotypic frailty based on having ≥3 of unintentional weight loss, low energy, slow gait, reduced grip strength, and physical inactivity. Depressive symptoms (PHQ-9) and mental QOL (SF-36) were also measured. Logistic/linear/multinomial regression was used to evaluate the association of variables with resilience adjusted for age, race/ethnicity, and gender. RESULTS Greater psychological resilience was associated with lower BMI, fewer hospitalizations, better physical functioning (i.e., lower self-reported disability, better physical QOL, faster gait speed, greater grip strength, lower likelihood of frailty), fewer depressive symptoms, and greater mental QOL (all p < 0.05). Psychological resilience moderated the relationship of number of hospitalizations in the past year with self-reported disability and grip strength. CONCLUSIONS Psychological resilience is associated with better physical function and QOL among older adults. Results should be interpreted cautiously given cross-sectional nature of analyses. Exploring the clinical benefits of resilience is consistent with efforts to shift the narrative on aging beyond "loss and decline" to highlight opportunities to facilitate healthy aging.
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Use of Telecommunication and Diabetes-Related Technologies in Older Adults With Type 1 Diabetes During a Time of Sudden Isolation: Mixed Methods Study. JMIR Diabetes 2022; 7:e38869. [PMID: 36256804 PMCID: PMC9678329 DOI: 10.2196/38869] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/19/2022] [Revised: 08/31/2022] [Accepted: 10/15/2022] [Indexed: 11/19/2022] Open
Abstract
BACKGROUND The COVID-19 lockdown imposed a sudden change in lifestyle with self-isolation and a rapid shift to the use of technology to maintain clinical care and social connections. OBJECTIVE In this mixed methods study, we explored the impact of isolation during the lockdown on the use of technology in older adults with type 1 diabetes (T1D). METHODS Older adults (aged ≥65 years) with T1D using continuous glucose monitoring (CGM) participated in semistructured interviews during the COVID-19 lockdown. A multidisciplinary team coded the interviews. In addition, CGM metrics from a subgroup of participants were collected before and during the lockdown. RESULTS We evaluated 34 participants (mean age 71, SD 5 years). Three themes related to technology use emerged from the thematic analysis regarding the impact of isolation on (1) insulin pump and CGM use to manage diabetes, including timely access to supplies, and changing Medicare eligibility regulations; (2) technology use for social interaction; and (3) telehealth use to maintain medical care. The CGM data from a subgroup (19/34, 56%; mean age 74, SD 5 years) showed an increase in time in range (mean 57%, SD 17% vs mean 63%, SD 15%; P=.001), a decrease in hyperglycemia (>180 mg/dL; mean 41%, SD 19% vs mean 35%, SD 17%; P<.001), and no change in hypoglycemia (<70 mg/dL; median 0.7%, IQR 0%-2% vs median 1.1%, IQR 0%-4%; P=.40) during the lockdown compared to before the lockdown. CONCLUSIONS These findings show that our cohort of older adults successfully used technology during isolation. Participants provided the positive and negative perceptions of technology use. Clinicians can benefit from our findings by identifying barriers to technology use during times of isolation and developing strategies to overcome these barriers.
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Eight-Year Changes in Multimorbidity and Frailty in Adults With Type 2 Diabetes Mellitus: Associations With Cognitive and Physical Function and Mortality. J Gerontol A Biol Sci Med Sci 2022; 77:1691-1698. [PMID: 34788804 PMCID: PMC9373968 DOI: 10.1093/gerona/glab342] [Citation(s) in RCA: 11] [Impact Index Per Article: 5.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/26/2021] [Indexed: 01/14/2023] Open
Abstract
BACKGROUND Indices of multimorbidity and deficit accumulation (ie, frailty indices) have been proposed as markers of biological aging. If true, changes in these indices over time should predict downstream changes in cognition and physical function, and mortality. METHODS We examined associations that 8-year changes in (i) a multimorbidity index comprised of 9 chronic diseases and (ii) a frailty index (FI) based on deficit accumulation in functional, behavioral, and clinical characteristics had with subsequent measures of cognitive and physical function over 10 years. We drew data from 3 842 participants in the Action for Health in Diabetes clinical trial. They were aged 45-76 years at baseline and at risk for accelerated biological aging due to overweight/obesity and type 2 diabetes mellitus. RESULTS A total of 1 501 (39%) of the cohort had 8-year increases of 1 among the 9 diseases tracked in the multimorbidity index and 868 (23%) had increases of ≥2. Those with greatest increases in multimorbidity tended to be older individuals, males, and non-Hispanic Whites. Greater FI increases tended to occur among individuals who were older, non-Hispanic White, heavier, and who had more baseline morbidities. Changes in multimorbidity and FI were moderately correlated (r = 0.26; p < .001). Increases in both multimorbidity and FI were associated with subsequently poorer composite cognitive function and 400-m walk speed and increased risk for death (all p < .001). CONCLUSIONS Accelerated biological aging, as captured by multimorbidity and frailty indices, predicts subsequent reduced function and mortality. Whether intensive lifestyle interventions generally targeting multimorbidity and FI reduce risks for downstream outcomes remains to be seen. Clinical Trials Registration Number: NCT00017953.
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Impact of Diabetes Duration on Functional and Clinical Status in Older Adults With Type 1 Diabetes. Diabetes Care 2022; 45:754-757. [PMID: 35076712 PMCID: PMC8918260 DOI: 10.2337/dc21-2000] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 09/24/2021] [Accepted: 12/22/2021] [Indexed: 02/03/2023]
Abstract
OBJECTIVE Adults with type 1 diabetes (T1D) are aging successfully. The impact of diabetes duration on clinical and functional status as people age with T1D is not well known. RESEARCH DESIGN AND METHODS We performed a cross-sectional study of older adults (age ≥65 years) with T1D. RESULTS We evaluated 165 older adults, mean age 70 ± 10 years. After adjustment for age, sex, and A1C, longer duration of T1D, ≥50 years, was associated with a higher likelihood of depression (odds ratio [OR] 2.8; P = 0.008), hypoglycemia unawareness (OR 2.6; P = 0.01), lower scores on 6-Minute Walk Test (OR 0.99; P = 0.01) and the Physical Component Summary (PCS) of Short Form-36 (SF-36) (OR 0.96; P = 0.02), and greater daily medication use (OR 1.1; P = 0.004) compared with those with duration <50 years. CONCLUSIONS In older adults with T1D, duration of diabetes impacts clinical and functional status, independent of age and glycemic control, and should be considered in development of management strategies for safety and success.
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Abstract
Objective: To assess the impact of initiation of closed-loop control (CLC) on glycemic metrics in older adults with type 1 diabetes (T1D) in the real world. Methods: Retrospective analysis of electronic health records from a single tertiary diabetes center of older adults prescribed CLC between January and December 2020. Results: Forty-eight patients (mean age 70 ± 4 years, T1D duration 42 ± 14 years) were prescribed CLC and 39/48 started on the CLC. Among the CLC starters, 97.5% and 95% were prior pump and continuous glucose monitoring (CGM) users, respectively. CGM metrics showed an increase in time-in-range (62% ± 13% to 76% ± 9%; P < 0.001), a reduction in both time spent <70 mg/dL [2% (1%-3%) to 1% (1%-2%); P = 0.03] and >180 mg/dL (30% ± 11% to 20% ± 9%; P < 0.001) at 3 months. Conclusion: In this real-world data most of the older patients with T1D initiating CLC were prior pump and CGM users. Initiation of CLC improved glycemic control and reduced time spent in hypoglycemia compared with prior therapy.
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Abstract
Background: The use of diabetes-related technology, both for insulin administration and glucose monitoring, has shown benefits in older adults with type 1 diabetes (T1D). However, the characteristics of older adults with T1D and their use of technology in real-world situations are not well documented. Methods: Older adults (age ≥65 years) with T1D, using insulin pump or multiple daily injections (MDI) for insulin administration, and continuous glucose monitoring (CGM) or glucometer (blood glucose monitoring [BGM]) for glucose monitoring were evaluated. Participants wore CGM for 2 weeks, completed surveys, and underwent laboratory evaluation. Results: We evaluated 165 older adults with T1D; mean age 70 ± 10 years, diabetes duration 40 ± 17 years, and A1C 7.4% ± 0.9% (57 ± 10 mmol/mol). For insulin administration, 63 (38%) were using MDI, while 102 (62%) were using pump. Compared to MDI, pump users were less likely to have cognitive dysfunction (49% vs. 65%, P = 0.04) and had lower scores on the hypoglycemia fear survey (P = 0.03). For glucose monitoring, 95 (58%) used CGM, while 70 (42%) used BGM. Compared to BGM, CGM users were more likely to report impaired awareness of hypoglycemia (IAH) (P = 0.01), and had lower A1C (P = 0.02). Participants who used any technology (pump or CGM) had lower A1C (P = 0.04, 0.006), less hypoglycemia ≤54 mg/dL (P = 0.0006, <0.0001) and <70 mg/dL (P = 0.0002, 0.0001), and fewer glycemic excursions (coefficient of variation %) (P = 0.0001, <0.0001), while reporting more IAH (P = 0.04, P = 0.006) and diabetes distress (P = 0.02, 0.004). Conclusion: Older adults with T1D who use newer diabetes-related technology had better glycemic control, lower hypoglycemia risk, and fewer glycemic excursions. However, they were more likely to report IAH and diabetes-related distress. Clinical trials.gov NCT03078491.
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Usefulness of CGM-Derived Metric, the Glucose Management Indicator, to Assess Glycemic Control in Non-White Individuals With Diabetes. Diabetes Care 2021; 44:2787-2789. [PMID: 34635503 PMCID: PMC8669533 DOI: 10.2337/dc21-1373] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 06/30/2021] [Accepted: 09/14/2021] [Indexed: 02/03/2023]
Abstract
OBJECTIVE To assess the relationship between the glucose management indicator (GMI) and HbA1c in non-White individuals with diabetes. RESEARCH DESIGN AND METHODS We performed a retrospective analysis of continuous glucose monitoring metrics in individuals with diabetes divided by race into non-White and White cohorts. RESULTS We evaluated 316 individuals (non-White n = 68; White n = 248). Although GMI was not different (7.6 vs. 7.7; P = not significant) between the cohorts, HbA1c was higher in the non-White cohort (8.7% vs. 8.1%; P = 0.004). HbA1c higher than GMI by ≥0.5% was more frequently observed in the non-White cohort (90% vs. 75%; P = 0.02). In the non-White cohort only, duration of hypoglycemia was longer among those with HbA1c higher than GMI by ≥0.5% compared with those with HbA1c and GMI within 0.5%. CONCLUSIONS A differential relationship between HbA1c and GMI in non-White versus White individuals with diabetes was observed. In non-White individuals, a greater difference between HbA1c and GMI was associated with higher risk of hypoglycemia.
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Changes in clinical indices of multimorbidity and frailty predict subsequent cognitive decline: Findings from the Look AHEAD and Look AHEAD MIND studies. Alzheimers Dement 2021. [DOI: 10.1002/alz.054943] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/09/2022]
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Target attainment in insulin-naive patients at high risk for hypoglycemia: Results from ACHIEVE Control. J Diabetes Complications 2021; 35:107831. [PMID: 33509703 DOI: 10.1016/j.jdiacomp.2020.107831] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 09/02/2020] [Revised: 12/02/2020] [Accepted: 12/17/2020] [Indexed: 10/22/2022]
Abstract
AIMS To better understand outcomes in people with type 2 diabetes at high risk of hypoglycemia, we conducted post hoc analyses in subgroups of participants from the real-world ACHIEVE Control study (NCT02451137) with ≥1 hypoglycemia risk factor. METHODS Insulin-naive adults with type 2 diabetes and A1c ≥8% were randomized 1:1 to insulin glargine 300 U/mL (Gla-300) or standard-of-care basal insulin (SOC-BI). Participants had documented history of ≥1 risk factors for hypoglycemia: chronic kidney disease, cardiovascular disease, dementia or blindness, age ≥65 years, or history of hypoglycemia. Outcomes included individualized A1c target attainment without documented symptomatic hypoglycemia (blood glucose [BG] ≤3.9 mmol/L or <3.0 mmol/L) or severe hypoglycemia, A1c target attainment, and absence of documented symptomatic or severe hypoglycemia at 6 and 12 months. RESULTS Within subgroups, odds ratios generally showed trends favoring Gla-300 versus SOC-BI, particularly for hypoglycemia avoidance in participants ≥65 years of age (BG ≤3.9 mmol/L; odds ratio, 1.52; 95% confidence interval, 1.14-2.03) and those with chronic kidney disease (BG ≤3.9 mmol/L; odds ratio, 2.28; 95% confidence interval, 1.26-4.12). Results were consistent with the overall population. CONCLUSIONS These data suggest potential benefit of Gla-300 versus SOC-BI for avoiding hypoglycemia in participants with ≥1 hypoglycemia risk factor.
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Erratum. The Relationship Between CGM-Derived Metrics, A1C, and Risk of Hypoglycemia in Older Adults With Type 1 Diabetes. Diabetes Care 2020;43:2349-2354. Diabetes Care 2021; 44:299. [PMID: 33158951 PMCID: PMC7783926 DOI: 10.2337/dc21-er01b] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Grants] [Track Full Text] [Download PDF] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 02/03/2023]
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The Relationship Between CGM-Derived Metrics, A1C, and Risk of Hypoglycemia in Older Adults With Type 1 Diabetes. Diabetes Care 2020; 43:2349-2354. [PMID: 32461211 PMCID: PMC7510030 DOI: 10.2337/dc20-0016] [Citation(s) in RCA: 27] [Impact Index Per Article: 6.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 01/03/2020] [Accepted: 04/24/2020] [Indexed: 02/03/2023]
Abstract
OBJECTIVE Continuous glucose monitoring (CGM) is now commonly used in the management of type 1 diabetes (T1D). The CGM-derived coefficient of variation (CV) measures glucose variability, and the glucose management indicator (GMI) measures mean glycemia (previously called estimated A1C). However, their relationship with laboratory-measured A1C and the risk of hypoglycemia in older adults with T1D is not well studied. RESEARCH DESIGN AND METHODS In a single-center study, older adults (age ≥65 years) with T1D wore a CGM device for 14 days. The CV (%) and GMI were calculated, and A1C and clinical and demographic information were collected. RESULTS We evaluated 130 older adults (age 71 ± 5 years), of whom 55% were women, 97% were White, diabetes duration was 39 ± 17 years, and A1C was 7.3 ± 0.6% (56 ± 15 mmol/mol). Participants were stratified by high CV (>36%; n = 77) and low CV (≤36%; n = 53). Although there was no difference in A1C levels between the groups with high and low CV (7.3% [56 mmol/mol] vs. 7.3% [53 mmol/mol], P = 0.4), the high CV group spent more time in hypoglycemia (<70 mg/dL and ≤54 mg/dL) compared with the group with low CV (median 31 vs. 84 min/day, P < 0.0001; 8 vs. 46 min/day, P < 0.001, respectively). An absolute difference between A1C and GMI of ≥0.5% was observed in 46% of the cohort. When the A1C was higher than the GMI by ≥0.5%, a higher duration of hypoglycemia was observed (P = 0.02). CONCLUSIONS In older adults with T1D, the use of CGM-derived CV and GMI can better identify individuals at higher risk for hypoglycemia compared with A1C alone. These measures should be combined with A1C for better diabetes management in older adults with T1D.
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Liberalisation, deintensification, and simplification in diabetes management: words matter. Lancet Diabetes Endocrinol 2020; 8:95-97. [PMID: 31780376 DOI: 10.1016/s2213-8587(19)30379-1] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 10/21/2019] [Revised: 10/31/2019] [Accepted: 11/04/2019] [Indexed: 01/03/2023]
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Examining the Relationship Between Pre- and Postprandial Glucose Levels and Insulin Bolus Timing Using Bluetooth-Enabled Insulin Pen Cap Technology and Continuous Glucose Monitoring. Diabetes Technol Ther 2020; 22:19-24. [PMID: 31483167 DOI: 10.1089/dia.2019.0186] [Citation(s) in RCA: 12] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/13/2022]
Abstract
Background: Timing of insulin administration in persons using multiple daily injections (MDI) is self-reported. New technology enabling tracking and logging of insulin doses, combined with continuous glucose monitoring (CGM), may provide insight into the relationship between insulin administration and glucose levels. Methods: We performed a prospective observational study using Bluetooth-enabled pen caps, along with CGM, in participants with type 1 diabetes (T1D) on MDI to objectively assess the relationship between the timing of insulin administration and its impact on pre- and postprandial glucose levels for a 2-week period. Results: We evaluated 50 participants (age 40.3 ± 19 years; A1c 8.2% ± 1.5%, duration of T1D 20 ± 15 years). Thirty-seven percent of total boluses resulted in persistent hyperglycemia (glucose >180 mg/dL 3 h postprandially), while 10% resulted in clinically significant hypoglycemia (glucose <55 mg/dL 3 h postprandially) on CGM. Preprandial glucose levels at the time of the bolus did not correlate with postprandial glucose levels. Late boluses, defined as a rise in glucose of ≥50 mg/dL before a bolus, were seen two times/patient/week. Missed boluses, defined as a rise in glucose of ≥50 mg/dL without a bolus within 2 h, occurred 17 times/patient/week. Late and missed boluses were associated with worse glycemic control (A1c; R2 = 0.1, P = 0.02; R2 = 0.1, P = 0.02). Conclusions: The use of Bluetooth-enabled pen caps, with CGM, in persons with T1D on MDI can illustrate the relationship between insulin bolus timing and postprandial glucose. These data may help clinicians and patients understand the impact of timing of insulin doses on glucose levels and glycemic control.
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FRAILTY AND THE EFFECTIVENESS AND SAFETY OF NEW GLUCOSE-LOWERING DRUGS IN OLDER ADULTS WITH TYPE 2 DIABETES. Innov Aging 2019. [PMCID: PMC6841166 DOI: 10.1093/geroni/igz038.2154] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/14/2022] Open
Abstract
Recently, several classes of non-insulin glucose-lowering drugs, such as dipeptidyl peptidase-4 inhibitors (DPP4i), glucagon-like peptide-1 receptor agonists (GLP1-RA), and sodium glucose co-transporter-2 inhibitors (SGLT2i), have been approved to treat type 2 diabetes. Clinical trials have shown that GLP1RA and SGLT2i confer cardiovascular benefit, while DPP4i do not have such benefit; these drugs do not seem to increase the risk of hypoglycemia. However, due to underrepresentation of older adults with frailty and lack of frailty assessment in clinical trials, little is known about how the effectiveness and safety of these drugs change across different levels of frailty. In this symposium, we present the real-world evidence from Medicare data April 2013-December 2016 on the utilization trends of newly approved diabetes drugs (Dr. Dave) and comparative effectiveness and safety of SGLT2i vs sulfonylurea (Dr. Pawar), SGLT2i vs DPP4i (Dr. Kim), and SGLT2i vs GLP1-RA (Dr. Patorno). The outcomes were 1) composite cardiovascular endpoint of mortality, myocardial infarction, stroke, or heart failure; and 2) severe hypoglycemia, defined as emergency department visits or hospitalizations due to hypoglycemia. We applied a validated claims-based frailty index (CFI) to estimate the treatment effectiveness and safety in non-frail (CFI<0.10), pre-frail (CFI 0.10-0.19), or frail individuals (CFI≥0.20). Following individual presentations, Dr. Munshi and presenters will lead an interactive discussion about clinical implications and methodological challenges in conducting geriatric pharmacoepidemiologic studies using Medicare data. This symposium will demonstrate the utility of CFI in claims-based pharmacoepidemiologic studies and provide health care providers with new evidence to tailor diabetes pharmacotherapy based on frailty.
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Erratum. A Randomized Controlled Trial Comparing Efficacy and Safety of Insulin Glargine 300 Units/mL Versus 100 Units/mL in Older People With Type 2 Diabetes: Results From the SENIOR Study. Diabetes Care 2018;41:1672-1680. Diabetes Care 2019; 42:1604. [PMID: 31227584 PMCID: PMC6647046 DOI: 10.2337/dc19-er08] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Track Full Text] [Download PDF] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 02/03/2023]
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Evidence-based diabetes care for older people with Type 2 diabetes: a critical review. Diabet Med 2019; 36:399-413. [PMID: 30411402 DOI: 10.1111/dme.13859] [Citation(s) in RCA: 41] [Impact Index Per Article: 8.2] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Accepted: 11/05/2018] [Indexed: 12/22/2022]
Abstract
In our ageing society diabetes imposes a significant burden in terms of the numbers of people with the condition, diabetes-related complications including disability, and health and social care expenditure. Older people with diabetes can represent some of the more complex and difficult challenges facing the clinician working in different settings, and the recognition that we have only a relatively small (but increasing) evidence base to guide us in diabetes management is a limitation of our current approaches. Nevertheless, in this review we attempt to explore what evidence there is to guide us in a comprehensive scheme of treatment for older adults, often in a high-risk clinical state, in terms of glucose lowering, blood pressure and lipid management, frailty care and lifestyle interventions. We strive towards individualized care and make a call for action for more high-quality research using different trial designs.
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A Randomized Controlled Trial Comparing Efficacy and Safety of Insulin Glargine 300 Units/mL Versus 100 Units/mL in Older People With Type 2 Diabetes: Results From the SENIOR Study. Diabetes Care 2018; 41:1672-1680. [PMID: 29895556 DOI: 10.2337/dc18-0168] [Citation(s) in RCA: 36] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 01/23/2018] [Accepted: 05/07/2018] [Indexed: 02/03/2023]
Abstract
OBJECTIVE SENIOR compared the efficacy and safety of insulin glargine 300 units/mL (Gla-300) with glargine 100 units/mL (Gla-100) in older people (≥65 years old) with type 2 diabetes. RESEARCH DESIGN AND METHODS SENIOR was an open-label, two-arm, parallel-group, multicenter phase 3b trial designed to enroll ∼20% of participants aged ≥75 years. Participants were randomized 1:1 to Gla-300 or Gla-100, titrated to a fasting self-monitored plasma glucose of 5.0-7.2 mmol/L (90-130 mg/dL). RESULTS In total, 1,014 participants were randomized (mean age: 71 years). Comparable reductions in HbA1c were observed from baseline to week 26 for Gla-300 (-0.89%) and Gla-100 (-0.91%) in the overall population (least squares mean difference: 0.02% [95% CI -0.092 to 0.129]) and for participants aged ≥75 years (-0.11% [-0.330 to 0.106]). Incidence and rates of confirmed (≤3.9 mmol/L [≤70 mg/dL]) or severe hypoglycemia events were low and similar between both treatment groups, with lower rates of documented symptomatic hypoglycemia with Gla-300. The lower risk of hypoglycemia with Gla-300 versus Gla-100 was more apparent in the subgroup aged ≥75 years versus the overall population. Significantly lower annualized rates of documented symptomatic (≤3.9 mmol/L [≤70 mg/dL]) hypoglycemia were observed (Gla-300: 1.12; Gla-100: 2.71; rate ratio: 0.45 [95% CI 0.25-0.83]). CONCLUSIONS Efficacy and safety of Gla-300 was demonstrated in older people (≥65 years of age) with type 2 diabetes, with comparable reductions in HbA1c and similarly low or lower risk of documented symptomatic hypoglycemia versus Gla-100. A significant benefit in hypoglycemia reduction was seen in participants aged ≥75 years.
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CHAPTER 4. Guideline for the care of the older adult with diabetes. THE AMERICAN JOURNAL OF MANAGED CARE 2018; 24:SP240-SP252. [PMID: 29938997] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 06/08/2023]
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An International Position Statement on the Management of Frailty in Diabetes Mellitus: Summary of Recommendations 2017. J Frailty Aging 2018; 7:10-20. [PMID: 29412437 DOI: 10.14283/jfa.2017.39] [Citation(s) in RCA: 37] [Impact Index Per Article: 6.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/11/2022]
Abstract
AIM The International Position Statement provides the opportunity to summarise all existing clinical trial and best practice evidence for older people with frailty and diabetes. It is the first document of its kind and is intended to support clinical decisions that will enhance safety in management and promote high quality care. METHODS The Review Group sought evidence from a wide range of studies that provide sufficient confidence (in the absence of grading) for the basis of each recommendation. This was supported by a given rationale and key references for our recommendations in each section, all of which have been reviewed by leading international experts. Searches for any relevant clinical evidence were generally limited to English language citations over the previous 15 years. The following databases were examined: Embase, Medline/PubMed, Cochrane Trials Register, Cinahl, and Science Citation. Hand searching of 16 key major peer-reviewed journals was undertaken by two reviewers (AJS and AA) and these included Lancet, Diabetes, Diabetologia, Diabetes Care, British Medical Journal, New England Journal of Medicine, Journal of the American Medical Association, Journal of Frailty and Aging, Journal of the American Medical Directors Association, and Journals of Gerontology - Series A Biological Sciences and Medical Sciences. RESULTS Two scientific supporting statements have been provided that relate to the area of frailty and diabetes; this is accompanied by evidence-based decisions in 9 clinical domains. The Summary has been supported by diagrammatic figures and a table relating to the inter-relations between frailty and diabetes, a frailty assessment pathway, an exercise-based programme of intervention, a glucose-lowering algorithm with a description of available therapies. CONCLUSIONS We have provided an up to date evidence-based approach to practical decision-making for older adults with frailty and diabetes. This Summary document includes a user-friendly set of recommendations that should be considered for implementation in primary, community-based and secondary care settings.
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Insulin glargin 300 E/ml versus 100 E/ml bei älteren Patienten mit Typ-2-Diabetes: Ergebnisse einer randomisierten Studie (NCT02320721). DIABETOL STOFFWECHS 2018. [DOI: 10.1055/s-0038-1641917] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/28/2022]
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Early Results of Extreme Hypofractionation Using Stereotactic Body Radiation Therapy for High-risk, Very High-risk and Node-positive Prostate Cancer. Clin Oncol (R Coll Radiol) 2018; 30:442-447. [PMID: 29571936 DOI: 10.1016/j.clon.2018.03.004] [Citation(s) in RCA: 31] [Impact Index Per Article: 5.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/09/2017] [Revised: 02/07/2018] [Accepted: 02/19/2018] [Indexed: 11/17/2022]
Abstract
AIMS Stereotactic body radiotherapy (SBRT) in low- and intermediate-risk prostate cancer has shown encouraging results. However, its use in high-risk patients is limited due to lack of data regarding adequate radiotherapy dose, need for pelvic nodal treatment and androgen deprivation therapy. Herein we report our experience of SBRT in this subgroup. MATERIALS AND METHODS Analysis of a prospectively maintained database of 68 consecutive patients of the National Comprehensive Cancer Network (NCCN) high-risk, very high-risk and node-positive adenocarcinoma prostate treated with SBRT was undertaken. All patients were treated with rotational intensity-modulated radiotherapy with daily image guidance. The dose delivered to the prostate and gross node was 35-37.5 Gy in 5 alternate day fractions. Node-positive patients received 25 Gy to pelvic nodal regions until the common iliac nodes. Treatment was delivered in 7-10 days. All patients received long-term androgen deprivation therapy (79% medical and 21% surgical). RESULTS Most patients (65%) had a Gleason score ≥ 8. The median prostate-specific antigen was 42. Twenty patients were high risk (30%), 11 (16%) very high risk and 37 (54%) node positive. No acute Radiation Therapy Oncology Group grade ≥ 3 genitourinary or gastrointestinal toxicity was noted. Acute grade 2 genitourinary and gastrointestinal toxicity were 12% and 3%, respectively. Late grade 3 genitourinary and gastrointestinal toxicity was 3% and 0%, respectively. There was no increase in acute or late gastrointestinal toxicity with prophylactic pelvic nodal radiotherapy. Prior transurethral resection of prostate (n = 11) did not increase toxicity. At a median follow-up of 18 months, 97% patients were alive and 94% were biochemically controlled. CONCLUSION SBRT is safe in the treatment of high-risk, very high-risk and node-positive prostate cancer, even with prophylactic pelvic radiotherapy or prior transurethral resection of prostate. Longer follow-up is required to determine efficacy.
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Patient-Reported Outcome Measures With Prostate Only or Whole Pelvic Radiation Therapy in High Risk Prostate Cancer: A Randomized Controlled Trial Data. Int J Radiat Oncol Biol Phys 2017. [DOI: 10.1016/j.ijrobp.2017.06.1215] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/18/2022]
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Review of Hypoglycemia in the Older Adult: Clinical Implications and Management. Can J Diabetes 2015; 40:66-72. [PMID: 26752195 DOI: 10.1016/j.jcjd.2015.10.004] [Citation(s) in RCA: 53] [Impact Index Per Article: 5.9] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 08/07/2015] [Revised: 10/15/2015] [Accepted: 10/16/2015] [Indexed: 12/16/2022]
Abstract
The aging of the population is a worldwide phenomenon. The prevalence of diabetes rises with increasing age, so the personal and financial costs of diabetes in the aging population have become significant burdens. In 2012, 104 billion (59%) of the estimated $176 billion in United States healthcare expenditures attributable to diabetes were utilized by patients older than 65 years of age [American Diabetes Association (1)]. With improvement in diabetes management and better glycemic control in the general population, there is an increase in the prevalence of hypoglycemia, which is the complication of the treatment of diabetes. Older adults with diabetes have a higher risk for hypoglycemia due to altered adaptive physiologic responses to low glucose levels. These patients also have comorbidities, such as cognitive and functional loss, that interfere with prompt identification and/or appropriate treatment of hypoglycemia. Older adults who suffer from hypoglycemia also have increased risk for falls, fall-related fractures, seizures and comas and exacerbation of chronic conditions, such as cognitive dysfunction and cardiac events. Thus, hypoglycemia in the older adult must be proactively avoided to decrease significant morbidity and mortality. Education of the patients and caregivers is important in prevention and treatment of hypoglycemia. In this article, we discuss the important aspects and unique challenges pertaining to hypoglycemia in older population. We also highlight the risks, consequences and prevention and management strategies for hypoglycemia that can be used by healthcare providers caring for older populations.
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Enhancement of vasoreactivity and cognition by intranasal insulin in type 2 diabetes. Diabetes Care 2013; 37:751-9. [PMID: 24101698 PMCID: PMC3931384 DOI: 10.2337/dc13-1672] [Citation(s) in RCA: 143] [Impact Index Per Article: 13.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 07/16/2013] [Accepted: 10/01/2013] [Indexed: 02/03/2023]
Abstract
OBJECTIVE To determine acute effects of intranasal insulin on regional cerebral perfusion and cognition in older adults with type 2 diabetes mellitus (DM). RESEARCH DESIGN AND METHODS This was a proof-of-concept, randomized, double-blind, placebo-controlled intervention evaluating the effects of a single 40-IU dose of insulin or saline on vasoreactivity and cognition in 15 DM and 14 control subjects. Measurements included regional perfusion, vasodilatation to hypercapnia with 3-Tesla MRI, and neuropsychological evaluation. RESULTS Intranasal insulin administration was well tolerated and did not affect systemic glucose levels. No serious adverse events were reported. Across all subjects, intranasal insulin improved visuospatial memory (P ≤ 0.05). In the DM group, an increase of perfusion after insulin administration was greater in the insular cortex compared with the control group (P = 0.0003). Cognitive performance after insulin administration was related to regional vasoreactivity. Improvements of visuospatial memory after insulin administration in the DM group (R(2)adjusted = 0.44, P = 0.0098) and in the verbal fluency test in the control group (R(2)adjusted = 0.64, P = 0.0087) were correlated with vasodilatation in the middle cerebral artery territory. CONCLUSIONS Intranasal insulin administration appears safe, does not affect systemic glucose control, and may provide acute improvements of cognitive function in patients with type 2 DM, potentially through vasoreactivity mechanisms. Intranasal insulin-induced changes in cognitive function may be related to vasodilatation in the anterior brain regions, such as insular cortex that regulates attention-related task performance. Larger studies are warranted to identify long-term effects and predictors of positive cognitive response to intranasal insulin therapy.
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Impact of reinforcement of diabetes self-care on poorly controlled diabetes: a randomized controlled trial. DIABETES EDUCATOR 2013; 39:504-14. [PMID: 23640303 DOI: 10.1177/0145721713486837] [Citation(s) in RCA: 35] [Impact Index Per Article: 3.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 01/22/2023]
Abstract
PURPOSE The purpose of the study was to assess the value of reinforcing diabetes self-management for improving glycemia and self-care among adults with type 2 diabetes who had at least 3 hours of prior diabetes education. METHODS In this randomized controlled trial, 134 participants (75% white, 51% female, 59 ± 9 years old, 13 ± 8 years with diabetes, A1C = 8.4% ± 1.2%) were randomized to either a group map-based program (intervention) or group education on cholesterol and blood pressure (control). Participants were assessed for A1C levels, diabetes self-care behaviors (3-day pedometer readings, 6-minute walk test, blood glucose checks, frequency of self-care), and psychosocial factors (distress, frustration, quality of life) at baseline, 3, 6, and 12 months post intervention and health literacy at baseline. RESULTS Groups did not differ on baseline characteristics including A1C levels, health literacy, or self-care; however, the intervention group had more years of education than controls. Intervention arm participants modestly improved A1C levels at 3 months post intervention but did not maintain that improvement at 6 and 12 months while control patients did not improve A1C levels at any time during follow-up. Importantly, frequency of self-reported self-care, diabetes quality of life, diabetes-related distress, and frustration with diabetes self-care improved in both groups over time. CONCLUSIONS Reinforcing self-care with diabetes education for patients who have not met glycemic targets helps improve A1C and could be considered a necessary component of ongoing diabetes care. The best method to accomplish reinforcement needs to be established.
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Abstract
OBJECTIVE To investigate the effects of inflammation on perfusion regulation and brain volumes in type 2 diabetes. RESEARCH DESIGN AND METHODS A total of 147 subjects (71 diabetic and 76 nondiabetic, aged 65.2 ± 8 years) were studied using 3T anatomical and continuous arterial spin labeling magnetic resonance imaging. Analysis focused on the relationship between serum soluble vascular and intercellular adhesion molecules (sVCAM and sICAM, respectively, both markers of endothelial integrity), regional vasoreactivity, and tissue volumes. RESULTS Diabetic subjects had greater vasoconstriction reactivity, more atrophy, depression, and slower walking. Adhesion molecules were specifically related to gray matter atrophy (P = 0.04) and altered vasoreactivity (P = 0.03) in the diabetic and control groups. Regionally, sVCAM and sICAM were linked to exaggerated vasoconstriction, blunted vasodilatation, and increased cortical atrophy in the frontal, temporal, and parietal lobes (P = 0.04-0.003). sICAM correlated with worse functionality. CONCLUSIONS Diabetes is associated with cortical atrophy, vasoconstriction, and worse performance. Adhesion molecules, as markers of vascular health, have been indicated to contribute to altered vasoregulation and atrophy.
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White matter hyperintensities and dynamics of postural control. Magn Reson Imaging 2009; 27:752-9. [PMID: 19250785 DOI: 10.1016/j.mri.2009.01.010] [Citation(s) in RCA: 32] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/21/2008] [Revised: 09/23/2008] [Accepted: 01/03/2009] [Indexed: 10/21/2022]
Abstract
BACKGROUND White matter hyperintensities (WMHs) on MRI have been associated with age, cardiovascular risk factors and falls in the elderly. This study evaluated the relationship between WMHs and dynamics of postural control in older adults without history of falls. METHODS We studied 76 community-living subjects without history of falls (age 64.5+/-7.3 years). Brain and WMH volume calculations and clinical rating were done on fluid-attenuation inversion recovery (FLAIR) and MP-RAGE MR images on 3 T. Balance was assessed from the center of pressure displacement using the force platform during 3 min of quiet standing using traditional and dynamic measures (using stabilogram-diffusion analysis). Gait speed was measured from 12-min walk. RESULTS Age-adjusted periventricular and focal WMHs were associated with changes in certain dynamic balance measures, including reduced range of postural sway in anteroposterior direction (fronto-temporal WMHs, P=.045; parieto-occipital WMHs, P=.009) and more irregular long-term mediolateral fluctuations (P=.046). Normal walking speed was not affected by WMHs. CONCLUSIONS Periventricular and focal WMHs affect long-term dynamics of postural control, which requires engagement of feedback mechanisms, and may contribute to mobility decline in the elderly.
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Special Needs and Opportunities for Educating the Elderly on Diabetes and Insulin. ACTA ACUST UNITED AC 2008. [DOI: 10.4140/tcp.sb.2008.1] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/22/2022]
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Managing the "geriatric syndrome" in patients with type 2 diabetes. THE CONSULTANT PHARMACIST : THE JOURNAL OF THE AMERICAN SOCIETY OF CONSULTANT PHARMACISTS 2008; 23 Suppl B:12-16. [PMID: 18540788] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 05/26/2023]
Abstract
OBJECTIVES To address specific issues related to the "geriatric syndrome" that may impact diabetes disease management. DATA SOURCES Live symposium presentation based on clinical practice and research, literature, and published studies on the treatment and management of diabetes, and treatment center recommendations. CONCLUSIONS Diabetes management in the elderly presents unique challenges. Clinical and functional diversity as well as multiple coexisting medical conditions in this population need special attention. Treatment goals should be formulated with an awareness of the medical, functional, social, and financial environment of the older adult. Aspects of the geriatric syndrome that can adversely affect the successful management of diabetes include cognitive dysfunction, depression, physical disabilities, and polypharmacy. Pharmacists can assist health care providers in identifying polypharmacy, overmedication, undermedication, and drug interactions, and in providing recommendations for simplified medication regimens and administration options to enhance the outcome of diabetes care in this population.
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Abstract
OBJECTIVE To evaluate the association between cognitive dysfunction and other barriers and glycemic control in older adults with diabetes. RESEARCH DESIGN AND METHODS Patients over the age of 70 years presenting to a geriatric diabetes clinic were evaluated for barriers to successful diabetes management. Patients were screened for cognitive dysfunction with the Mini Mental State Examination (MMSE) and a clock-drawing test (CDT) scored by 1) a method validated by Mendez et al. and 2) a modified CDT (clock in a box [CIB]). Depression was evaluated with the Geriatric Depression Scale. Interview questionnaires surveyed activities of daily living (ADLs) and instrumental ADLs (IADLs), as well as other functional disabilities. RESULTS Sixty patients (age 79 +/- 5 years, diabetes duration 14 +/- 13 years) were evaluated. Thirty-four percent of patients had low CIB (< or =5), and 38% of patients had low CDT (< or =13). Both CIB as well as CDT were inversely correlated with HbA(1c), suggesting that cognitive dysfunction is associated with poor glycemic control (r = -0.37, P < 0.004 and r = -0.38, P < 0.004, respectively). Thirty-three percent of patients had depressive symptoms with greater difficulty completing the tasks of the IADL survey (5.7 +/- 1.7 vs. 4.6 +/- 2.0; P < 0.03). These older adults with diabetes had a high incidence of functional disabilities, including hearing impairment (48%), vision impairment (53%), history of recent falls (33%), fear of falls (44%), and difficulty performing IADLs (39%). CONCLUSIONS Older adults with diabetes have a high risk of undiagnosed cognitive dysfunction, depression, and functional disabilities. Cognitive dysfunction in this population is associated with poor diabetes control.
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Abstract
OBJECTIVE To devise a simple, inexpensive and effective method for the cytologic study of fluids and to compare the results of the method with the conventional centrifuge smear (CS) method. STUDY DESIGN We examined 200 fluid samples from various body sites using CS and thick and thin (TT) smears. Cellular yield, cytomorphology and background of the smears were studied and scored. The scores were compared and analyzed with the chi 2 test. RESULTS TT smears gave a higher cellular yield, better morphologic details and cleaner background. The values of all three features were statistically significant (P < .001). In 38 cases a definitive diagnosis could be made on TT smears and not on CS smears. CONCLUSION TT smears give significantly better results than CS smears. Simple to prepare and requiring no additional investment in terms of cost, technical skill and sophisticated instruments, this method is ideally suited to small laboratories, especially in developing countries.
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Diagnostic imaging at the 1999 Pan American Games. Can Assoc Radiol J 2000; 51:228-31. [PMID: 10976241] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [MESH Headings] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/17/2023] Open
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Abstract
OBJECTIVE To evaluate the clinical efficacy of magnetic resonance imaging (MRI) of the knee in acute injuries with indeterminate clinical findings, using arthroscopy as a gold standard. DESIGN A prospective double-blind study was performed. All patients underwent MRI on a 1.5 T magnet using dual spin echo pulse sequences. This was followed by arthroscopy. SETTING Tertiary care referral center. PATIENTS Twenty-three patients with an average age of 26 years satisfied the study criteria. Patients had to have been seen by one of two orthopaedic surgeons within 6 weeks of sudden trauma to the knee complicated by a hemarthrosis, clinical assessment of which was equivocal. RESULTS The respective sensitivity and specificity for MRI of the knee were 90% (18/20) and 67% (2/3) for detecting any anterior cruciate ligament injury, 50% (1/2) and 86% (18/21) for detecting medial meniscal tears, and 88% (7/8) and 73% (11/15) for detecting lateral meniscal tears. MRI also identified injuries that could not be assessed on arthroscopy, including 14 bone bruises, five posterior cruciate ligament tears, nine medial collateral ligament tears, and one lateral collateral ligament tear. The detection of composite injury requiring surgical intervention yielded a sensitivity of 100% (16/16) and a specificity of 71% (5/7). Prospective use of MRI evaluation of the knee could have prevented 22% (5/23) of diagnostic arthroscopic procedures. CONCLUSION Equivocal clinical findings in patients with acute knee injury should lead to use of MRI in an appropriate clinical setting. To our knowledge a prospective study of the efficacy of MRI of the knee in this patient population has not been reported. In the presence of such inclusion criteria, the results of our study support the use of early MRI to guide further surgical management.
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Granular cell ameloblastoma of the jaw. A report of two cases with fine needle aspiration cytology. Acta Cytol 2000; 44:81-5. [PMID: 10667166 DOI: 10.1159/000326231] [Citation(s) in RCA: 13] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/19/2022]
Abstract
BACKGROUND Fine needle aspiration cytology (FNAC) of jaw tumors has not been studied extensively. Ameloblastomas are jaw tumors that show a wide morphologic spectrum and thus may pose some diagnostic difficulties. Of the many types, granular cell ameloblastoma (GCA) is an uncommon variant that possesses distinctive features. To the best of our knowledge, there have been no previous reports on the cytologic findings of GCA. We present two cases diagnosed by FNAC. CASES Two cases of GCA were diagnosed on cytology and subsequently confirmed on histology. Both patients presented with a large, lytic jaw tumor. FNAC smears showed characteristic granular cells along with spindle and basaloid cells. CONCLUSION Although GCAs are rare tumors, they possess distinctive features that permit an accurate diagnosis, provided that this entity is kept in mind. This tumor has to be differentiated from cystic odontogenic lesions, epulis and granular cell myoblastoma. An accurate preoperative diagnosis also helps the surgeon to plan more extensive surgery as these tumors show a great propensity for malignant change and metastases.
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Abstract
Calcinosis cutis is characterized by the deposition of calcium salts in the subcutaneous tissues of the body. Metastatic calcifications can occur in the body in hyperparathyroidism and end-stage renal disease. Calcifications can also occur in a variety of other clinical settings and can be subjected to fine-needle aspiration (FNA). Calcinosis cutis was diagnosed by FNA in a 20-yr-old male who presented with a solitary subcutaneous nodule near the ankle, on the lateral malleolus. Smears showed amorphous granular material consistent with calcium, and occasional histiocytes. The presence of amorphous calcium salts along with histiocytes in the appropriate clinical setting is diagnostic of calcinosis cutis. The diagnosis was confirmed on histology. Diagn. Cytopathol. 1999;21:200-202.
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Efficacy of fine needle capillary sampling in the diagnosis of stage III and IV cervical carcinoma. Acta Cytol 1999; 43:114-6. [PMID: 10097695 DOI: 10.1159/000330962] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/19/2022]
Abstract
OBJECTIVE To test the sensitivity of fine needle capillary sampling (FNCS) as compared to scrape cytology in cervical carcinoma, stage III and IV, and to study the quality of material obtained by FNCS. STUDY DESIGN Prospective. In 48 cases of cervical carcinoma, clinically stage III and IV, FNCS was done along with scrape cytology. The results were compared, considering histopathology as the gold standard. The quality of material obtained by both methods was compared using the parameters background, cellularity and cellular preservation. RESULTS FNCS had a sensitivity of 87.5% as against 62.5% for scrape cytology. Material obtained by FNCS had a cleaner background and better cellularity and morphologic preservation. CONCLUSION FNCS is superior to scrape cytology for the diagnosis of stage III and IV cervical carcinoma.
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Loss of estrogen upregulates osteoblastogenesis in the murine bone marrow. Evidence for autonomy from factors released during bone resorption. J Clin Invest 1998; 101:1942-50. [PMID: 9576759 PMCID: PMC508781 DOI: 10.1172/jci1039] [Citation(s) in RCA: 149] [Impact Index Per Article: 5.7] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/08/2023] Open
Abstract
Loss of sex steroids causes an increase in both the resorption and formation of bone, with the former exceeding the latter. Based on evidence that the increased bone resorption after estrogen loss is due to an increase in osteoclastogenesis, we hypothesized that estrogen loss also stimulates osteoblastogenesis. We report that the number of mesenchymal osteoblast progenitors in the murine bone marrow was increased two- to threefold between 2 and 8 wk after ovariectomy and returned to control levels by 16 wk. Circulating osteocalcin, as well as osteoclastogenesis and the rate of bone loss, followed a very similar temporal pattern. Inhibition of bone resorption by administration of the bisphosphonate alendronate led to a decrease of the absolute number of osteoblast progenitors; however, it did not influence the stimulating effect of ovariectomy on osteoblastogenesis or osteoclastogenesis. These observations indicate that the increased bone formation that follows loss of estrogen can be explained, at least in part, by an increase in osteoblastogenesis. Moreover, they strongly suggest that unlike normal bone remodeling, whereby osteoblast development is stimulated by factors released from the bone matrix during osteoclastic resorption, estrogen deficiency unleashes signals that can stimulate the differentiation of osteoblast progenitors in a fashion that is autonomous from the need created by bone resorption, and therefore, inappropriate.
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Abstract
BACKGROUND Non-insulin-dependent diabetes mellitus (NIDDM) and hyperhomocysteinemia are both associated with increased lipid peroxidation (oxidative stress). This may contribute to the accelerated vascular disease associated with these conditions. It is not known whether the coexistence of elevated homocysteine levels will stimulate oxidative stress further than that caused by diabetes alone. METHODS Plasma concentrations of thiobarbituric acid reactive substances (TBARS), an index of lipid peroxidation, were measured in patients with NIDDM who had previously had a methionine load test; some of the patients had hyperhomocysteinemia. RESULTS Plasma TBARS concentrations were elevated in diabetics with vascular disease. The additional presence of hyperhomocysteinemia was not associated with a further increase in plasma TBARS concentrations. CONCLUSIONS Lipid peroxidation is increased in patients with diabetes mellitus and macrovascular disease and is not further elevated by the coexistence of elevated homocysteine levels. It is possible that diabetes maximally stimulates oxidative stress and any further acceleration of vascular disease in patients who have coexistent hyperhomocysteinemia is mediated through mechanisms other than lipid peroxidation.
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Diabetic retinopathy: a review for the primary care physician. South Med J 1996; 89:839-50. [PMID: 8790305] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/02/2023]
Abstract
Hyperglycemia can result in key biochemical reactions that may contribute to thickening of basement membranes, dysfunction of pericytes and endothelial cells, and closure of retinal vessels. The Diabetes Control and Complications Trial has proved the value of good glycemic control in preventing retinopathy and/or delaying its progression. The primary care physician has a crucial role in translating these results into practice. Recognition and management of other risk factors, such as proteinuria, smoking, and hypertension, are easily done in the primary care setting. Also, appropriate referral to an ophthalmologist for retinal evaluation and treatment is both necessary and cost effective in reducing the burden of this devastating complication of diabetes.
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