Relationship of HIV Status and Fatigue, Cardiorespiratory Fitness, Myokines, and Physical Activity

Cardiometabolic disease among frailty phenotype clusters in adults aging with HIV

BACKGROUND

Age-related morbidity, including frailty and cardiometabolic disease has become increasingly prevalent among people living with HIV (PWH), and each frailty characteristic may, independently and synergistically, play a role in cardiometabolic disease.

OBJECTIVE

To evaluate the prevalence of unique frailty clusters and the prevalence ratios of cardiometabolic diseases within frailty clusters among a large diverse cohort of PWH in clinical care.

DESIGN

Cross-sectional analyses within longitudinal clinical cohort.

SETTING

The Center for AIDS Research Network of Integrated Clinical Systems (CNICS) from 8 Clinics PARTICIPANTS: 4,856 PWH, mean age 61 years. 16 % frail, 45 % pre-frail, 40 % robust.

MEASUREMENTS

The validated, modified Fried Phenotype from patient-reported outcomes and clustering (15 clusters) of the frailty characteristics and cardiometabolic diseases (7 diseases and multimorbidity) within each cluster.

RESULTS

Among 4856 PWH (age: 61 ± 6 years), the prevalence of frail, pre-frail, and robust was 16 %, 45 %, and 40 %, respectively. The most prevalent cardiometabolic disease among frail PWH was hypertension (62.6 %), followed by dyslipidemia (58.8 %) and diabetes (31.4 %). Among pre-frail PWH, the most prevalent cardiometabolic diseases were dyslipidemia (65.8 %), hypertension (61.8 %), and obesity (30.5 %). The prevalence of cardiometabolic disease among frailty clusters varied. For example, PWH in the "fatigue + poor mobility" cluster had a greater prevalence of cerebrovascular disease (PR: 2.23; 95 % CI: 1.01-4.91), diabetes (1.76; 95 % CI: 1.41-2.21), and obesity (1.66; 95 % CI: 1.35-2.05) when compared with robust PWH. Individuals in the "poor mobility" cluster had a higher prevalence of diabetes (1.37; 95 % CI: 1.15-1.64), hypertension (1.12; 95 % CI: 1.04 - 1.22), and obesity (1.38; 95 % CI: 1.17-1.61) compared with robust PWH.

CONCLUSIONS

The frailty components, independently and synergistically, were associated with an increased prevalence of cardiometabolic disease. This study identified distinct frailty clusters that may be associated with increased prevalence of cardiometabolic disease among PWH.

Design and rationale for a randomized clinical trial testing the efficacy of a lifestyle physical activity intervention for people with HIV and engaged in unhealthy drinking

BACKGROUND

Among people living with HIV (PLWH), unhealthy drinking presents an increased risk for negative outcomes. Physical inactivity and sedentariness raise additional health risks. Despite evidence that physical activity (PA) is associated with improved physical and mental functioning and reduced alcohol cravings, there have been no PA studies conducted with PLWH engaged in unhealthy drinking. We describe a study protocol of a remote lifestyle physical activity (LPA) intervention to increase PA and reduce alcohol consumption among PLWH.

METHODS

Using online advertisements, 220 low-active PLWH engaged in unhealthy drinking will be recruited and randomized nationwide. After providing informed consent and completing a baseline interview, participants will receive a Fitbit. Participants will complete 15 days of ecologic momentary assessment through a phone application and up to 15 days of Fitbit wear time. Following this period, participants will be randomly assigned to a Fitbit-only control condition or a LPA and Fitbit intervention condition. Health counselors meet with control participants once (and have 6 subsequent brief check ins on Fibit use) and with intervention participants 7 times for PA counseling over a 12-week period. Follow-up assessments will be conducted at 3- and 6-months post-randomization. We hypothesize that individuals in the LPA and Fitbit condition will have lower rates of alcohol consumption and higher rates of PA at 6-month follow-up.

CONCLUSION

The randomized controlled trial described in this paper investigates remote methods to influence multimorbidity among PLWH using a LPA approach for increasing PA and reducing alcohol consumption.

Frailty and HIV: Moving from Characterization to Intervention

PURPOSE OF REVIEW

While the characteristics associated with frailty in people with HIV (PWH) have been well described, little is known regarding interventions to slow or reverse frailty. Here we review interventions to prevent or treat frailty in the general population and in people with HIV (PWH).

RECENT FINDINGS

Frailty interventions have primarily relied on nonpharmacologic interventions (e.g., exercise and nutrition). Although few have addressed frailty, many of these therapies have shown benefit on components of frailty including gait speed, strength, and low activity among PWH. When nonpharmacologic interventions are insufficient, pharmacologic interventions may be necessary. Many interventions have been tested in preclinical models, but few have been tested or shown benefit among older adults with or without HIV. Ultimately, pharmacologic and nonpharmacologic interventions have the potential to improve vulnerability that underlies frailty in PWH, though clinical data is currently sparse.