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1.
Background
Patients with heart failure with preserved ejection fraction (HFpEF) exhibit pulmonary abnormalities, but the studies to date have reported wide variability in the ventilatory equivalent for carbon dioxide (V?E/V?CO2) slope. It is possible that aging may contribute to that variability. We sought to compare ventilatory efficiency and its components in older and younger HFpEF patients during exercise.Methods and Results
Eighteen older (O; 80 ± 4 y) and 19 younger (Y; 59 ± 7 y) HFpEF patients performed cardiopulmonary exercise testing to volitional fatigue. Measurements of arterial blood gases were used to derive VD/VT, dead space ventilation, and alveolar ventilation. V?E/V?CO2 slope was greater in older compared with younger HFpEF patients (O 36 ± 7vs Y 31 ± 7; P?=?.04). At peak exercise, older HFpEF exhibited greater VD/VT compared with younger HFpEF (O 0.37 ± 0.10vs Y 0.28 ± 0.10; P < .01), whereas PaCO2 was not different between groups (P?=?.58). V?E and alveolar ventilation were similar (P > .23), but dead space ventilation was greater in older compared with younger HFpEF at peak exercise (P?=?.04).Conclusions
Older HFpEF patients exhibit greater ventilatory inefficiency resulting from elevated physiologic dead space during peak exercise compared with younger HFpEF patients. These results suggest that aging can worsen the pathophysiologic mechanisms underlying ventilatory efficiency during exercise in HFpEF. 相似文献2.
Yoshitaka Okuhara Masanori Asakura Yoshiyuki Orihara Yoshiro Naito Takeshi Tsujino Masaharu Ishihara Tohru Masuyama 《Journal of cardiac failure》2019,25(1):44-50
Background
Weight loss is a strong prognostic factor in chronic heart failure (CHF); however, little is known about its effects in patients with mild CHF. Therefore, we investigated the effects of weight loss in patients with mild CHF.Methods and Results
We analyzed a total of 242 outpatients with mild CHF from the J-MELODIC study cohort. Weight loss was defined as ≥5% weight loss in 1 year. Twenty-seven patients (11.2%) lost ≥5% weight in 1 year. Weight loss was associated with higher rates of underweight and worsening renal function in 1 year compared with the absence of ≥5% weight loss. The predictors of weight loss included edema, B-type natriuretic peptide, and diabetes mellitus at baseline. Although weight loss was significantly associated with subsequent cardiovascular death or hospitalization for HF (log-rank P?=?.002) and subsequent death from any cause (log-rank P?=?.002), underweight was not associated with these outcomes (log-rank P?=?.356 and P?=?.168, respectively). Even after adjusting for covariates, weight loss was a significant and independent risk factor for subsequent cardiovascular death or hospitalization for HF (hazard ratio 3.22, 95% confidence interval 1.10–8.41; P?=?.034).Conclusions
In patients with mild CHF, ≥5% weight loss was a significant predictor for subsequent cardiovascular death or hospitalization for HF. 相似文献3.
SHINYA TANAKA KENTARO KAMIYA NOBUAKI HAMAZAKI RYOTA MATSUZAWA KOHEI NOZAKI EMI MAEKAWA CHIHARU NODA MINAKO YAMAOKA-TOJO ATSUHIKO MATSUNAGA TAKASHI MASUDA JUNYA AKO 《Journal of cardiac failure》2018,24(11):723-732
Background
The impact of frailty on long-term prognosis in patients with heart failure (HF) remains unclear, and there is no simple and objective assessment for it. This study was performed to examine the association between frailty score and clinical outcome in elderly patients hospitalized for HF.Methods and Results
A retrospective cohort study was performed with 603 elderly patients with HF (mean age 75 ± 6 years, 378 [62.7%] men). Frailty was measured by a composite of 4 markers combined into a frailty score (possible range 0–12): gait speed, handgrip strength, serum albumin, and activities of daily living status. The patient population was divided into 2 groups with frailty score <5 (non-frail) or ≥5 (frail). The end point was all-cause mortality. Over a mean follow-up period of 1.7 ± 0.5 years, 89 patients died. After adjustment for several preexisting factors associated with prognosis, the frailty score (hazard ratio [HR] 1.11; P?=?.014) and frailty (HR 1.75; P?=?.036) were independently associated with all-cause mortality. The inclusion of frailty score significantly increased both continuous net reclassification improvement (0.341; P?=?.002) and integrated discrimination improvement (0.016; P?=?.039) for all-cause mortality.Conclusions
A simple and objective frailty score was associated with health outcome in elderly patients hospitalized for HF. 相似文献4.
Rushi V. Parikh Kiran Khush Vedant S. Pargaonkar Helen Luikart David Grimm Michelle Yu Kozo Okada Yasuhiro Honda Alan C. Yeung Hannah Valantine William F. Fearon 《Journal of cardiac failure》2019,25(2):97-104
Background
Endothelin-1 (ET-1) has been implicated in the development of post–heart transplantation (HT) cardiac allograft vasculopathy (CAV), but has not been well studied in humans.Methods and Results
In 90 HT patients, plasma ET-1 was measured within 8 weeks after HT (baseline) via a competitive enzyme-linked immunosorbent assay. Three-dimensional volumetric intravascular ultrasound of the left anterior descending artery was performed at baseline and at 1 year. Accelerated CAV (lumen volume loss) was defined with the 75th percentile as a cutoff. Patients were followed beyond the first year after HT for late death or retransplantation. A receiver operating characteristic (ROC) curve demonstrated that a baseline ET-1 concentration of 1.75 pg/mL provided the best accuracy for diagnosis of accelerated CAV at 1 year (area under the ROC curve 0.69, 95% confidence interval [CI] 0.57–0.82; P?=?.007). In multivariate logistic regression, a higher baseline ET-1 concentration was independently associated with accelerated CAV (odds ratio [OR] 2.13, 95% CI 1.15–3.94; P?=?.01); this relationship persisted when ET-1 was dichotomized at 1.75 pg/mL (OR 4.88, 95% CI 1.69–14.10; P?=?.003). Eighteen deaths occurred during a median follow-up period of 3.99 (interquartile range 2.51–9.95) years. Treated as a continuous variable, baseline ET-1 was not associated with late mortality in multivariate Cox regression (hazard ratio [HR] 1.22, 95% CI 0.72–2.05; P?=?.44). However, ET-1 >1.75 pg/mL conferred a significantly lower cumulative event-free survival on Kaplan-Meier analysis (P?=?.047) and was independently associated with late mortality (HR 2.94, 95% CI 1.12–7.72; P?=?.02).Conclusions
Elevated ET-1 early after HT is an independent predictor of accelerated CAV and late mortality, suggesting that ET-1 has durable prognostic value in the HT arena. 相似文献5.
Thomas M. Gill Evelyne A. Gahbauer Linda Leo-Summers Terrence E. Murphy Ling Han 《The American journal of medicine》2019,132(2):234-239
Background
Days spent at home has recently been identified as an important patient-centered outcome; yet, relatively little is known about time spent at home at the end of life among community-living older persons.Methods
The analytic sample included 457 decedents from an ongoing cohort study of 754 community-living persons, aged ≥70 years. Days spent at home were calculated as 180 days minus the number of days in a hospital, nursing home, or hospice facility. The condition leading to death was determined from death certificates and comprehensive assessments.Results
The median number of days at home was 159 (interquartile range 125-174). There were 138 (30.2%) decedents at home during the entire 6-month period, while 163 (35.7%) were at home for fewer than 150 days. Days at home did not differ significantly by age (P?=?.922), sex (P?=?.238), or race/ethnicity (P?=?.199), but did differ according to the condition leading to death (P?=?.001), with the lowest value observed for organ failure (150 [106.5-168.5]), highest values for sudden death (177 [172-179]) and cancer (167 [140-174]), and intermediate values for advanced dementia (164 [118-174]), frailty (160.5 [130-174]), and other conditions (153 [118-175]).Conclusions
Among community-living older persons, days spent at home in the last 6 months of life do not differ by age, sex, or race/ethnicity, but are significantly lower for persons dying from organ failure. Additional efforts may be warranted to optimize time spent at home at the end of life, especially among older persons dying from organ failure. 相似文献6.
Yu Sato Akiomi Yoshihisa Yusuke Kimishima Takatoyo Kiko Yuki Kanno Tetsuro Yokokawa Satoshi Abe Tomofumi Misaka Takamasa Sato Masayoshi Oikawa Atsushi Kobayashi Takayoshi Yamaki Hiroyuki Kunii Kazuhiko Nakazato Yasuchika Takeishi 《Journal of cardiac failure》2019,25(3):195-203
Background
We aimed to clarify the prognosis and pathophysiological parameters of low T3 syndrome in patients with heart failure (HF).Methods and Results
Hospitalized patients with HF and euthyroidism (n?=?911) were divided into 2 groups on the basis of free triiodothyronine (FT3) serum levels: the normal FT3 group (FT3 ≥2.3 pg/mL; n?=?590; 64.8%) and the low FT3 group (FT3 <2.3 pg/mL; n?=?321; 35.2%). We compared post-discharge cardiac and all-cause mortality by means of Kaplan-Meier analysis and Cox proportional hazard analysis, and the parameters of echocardiography and cardiopulmonary exercise testing by means of Student t test. In the follow-up period of median 991 (interquartile range 534-1659) days, there were 193 all-cause deaths, including 88 cardiac deaths. Cardiac and all-cause mortality were higher in the low FT3 group (log-rank P < .01). Low FT3 was a predictor of cardiac death (hazard ratio 1.926, 95% confidence interval [CI] 1.268–2.927; P?=?.002) and all-cause death (hazard ratio 2.304, 95% CI 1.736–3.058; P < .001). Although left ventricular ejection fraction was similar between the groups, the low FT3 group showed lower peak VO2 (13.6 ± 4.6 vs 16.6 ± 4.4 mL·kg?1·min,?one P < .001) and higher VE/VCO2 slope (36.5 ± 8.2 vs 33.0 ± 7.5; P?=?.001).Conclusion
Low T3 syndrome in patients with HF is associated with higher cardiac and all cause-mortality. 相似文献7.
Ganapathi Sanjay Panniyammakal Jeemon Anubha Agarwal Sunitha Viswanathan Madhu Sreedharan Govindan Vijayaraghavan Charantharayil Gopalan Bahuleyan R. Biju Tiny Nair N. Prathapkumar G. Krishnakumar N. Rajalekshmi Krishnan Suresh Lawrence P. Park Mark D. Huffman Sivadasanpillai Harikrishnan 《Journal of cardiac failure》2018,24(12):842-848
Background
Long-term data on outcomes of participants hospitalized with heart failure (HF) from low- and middle-income countries are limited.Methods and Results
In the Trivandrum Heart Failure Registry (THFR) in 2013, 1205 participants from 18 hospitals in Trivandrum, India, were enrolled. Data were collected on demographics, clinical presentation, treatment, and outcomes. We performed survival analyses, compared groups and evaluated the association between heart failure (HF) type and mortality, adjusting for covariates that predicted mortality in a global HF risk score. The mean (standard deviation) age of participants was 61.2 (13.7) years. Ischemic heart disease was the most common cause (72%). The in-hospital mortality rate was higher for participants with HF with reduced ejection fraction (HFrEF; 9.7%) compared with those with HF with preserved ejection fraction (HFpEF; 4.8%; P?=?.003). After 3 years, 540 (44.8%) participants had died. The all-cause mortality rate was lower for participants with HFpEF (40.8%) compared with HFrEF (46.2%; P?=?.049). In multivariable models, older age (hazard ratio [HR] 1.24 per decade, 95% confidence interval [CI] 1.15-1.33), New York Heart Association functional class IV symptoms (HR 2.80, 95% CI 1.43-5.48), and higher serum creatinine (HR 1.12 per mg/dL, 95% CI 1.04-1.22) were associated with all-cause mortality.Conclusions
Participants with HF in the THFR have high 3-year all-cause mortality. Targeted hospital-based quality improvement initiatives are needed to improve survival during and after hospitalization for HF. 相似文献8.
Gary P. Wormser Kitae Park Colby Madison Julia Rozenberg Donna McKenna Carol Scavarda Carol Karmen Rhea Dornbush Paul Visintainer 《The American journal of medicine》2019,132(4):519-524
Background
The Beck Depression Inventory (BDI-II) may be used to evaluate individuals for symptoms of depression.Methods
In a 1-year prospective study, 52 adult Lyme disease patients with erythema migrans and 104 matched control subjects were clinically assessed and completed the BDI-II at study entry and approximately 6 and 12 months later following antibiotic treatment.Results
The mean BDI-II score was significantly higher at the baseline visit among Lyme disease patients compared with controls (P?=?.002), but no significant differences between the groups were observed at either the 6- or 12-month study visits. Over the course of the study, the mean BDI-II scores decreased an average of approximately 0.22 points per month (P < .0005) for Lyme disease patients, whereas the mean scores changed very little for controls (mean change?=??0.02 per month, P?=?.50). The total number of somatic symptoms, of the 12 symptoms evaluated, strongly and directly correlated with the BDI-II scores at the baseline visit for the Lyme disease patients.Conclusions
The mean BDI-II scores of patients with early Lyme disease significantly exceeded that of matched controls at study entry, but by 6 months the values did not differ significantly. There was a good-to-excellent direct correlation between the BDI-II score and the total number of symptoms, suggesting that the BDI-II scores were reflecting somatic rather than affective depressive symptoms. When using the BDI-II as an assessment tool of patients with Lyme disease, infection-related somatic symptoms per se need to be considered in the interpretation of the results. 相似文献9.
Hassan Khan Stefan D. Anker James L. Januzzi Darren K. McGuire Naveed Sattar Hans Juergen Woerle Javed Butler 《Journal of cardiac failure》2019,25(2):78-86
Background
Epidemiology of patients with comorbid heart failure (HF) and diabetes mellitus (DM) without coronary heart disease (CHD) is not well described.Methods and Results
We assessed HF incidence and outcomes in 2896 participants of the Health ABC Study (age 74.0 ± 3.0 years, 48.4% men, 41.1% black, 34.6% with DM) in relation to prio DM and CHD status. During a median follow-up of 11.4 years, 484 participants (16.7%) developed incident HF; 214 (44.2%) had DM of whom 71 (33.1%) had no prio CHD. Incident HF rate was 2.5% per 100 person-years in those with and 1.5% in those without DM (hazard ratio [HR] 1.66, 95% CI 1.39–1.99). In those with DM, incident HF rate was 4.6% in those with and 1.3% in those without CHD (HR 3.75, 95% CI 2.81–4.99). During a median follow-up of 2.1 years after HF onset, 329 (68.0%) of the participants died. Amongst those with DM, annual mortality was 22.6% in those with versus 25.9% without CHD (HR 0.86, 95% CI 0.61–1.22). All-cause hospitalizations after incident HF in DM patients were 55.0 per 100 person-years in those with and 33.3 in those without CHD (rate ratio [RR] 1.64, 95% CI 1.24–2.16); HF hospitalizations were 42.7 and 30.7 per 100-person years (RR 1.39, 95% CI 1.03–1.86) in those with and without CHD. Reduced ejection fraction was seen in 49.6% of HF patients with DM and CHD and in 34.7% of those without CHD (P?=?.08); mortality but not hospitalization risk tended to be lower in those with reduced compared with preserved ejection fraction regardless of CHD status.Conclusions
A sizeable proportion of HF in patients with DM develops in the absence of prior CHD; these patients are at risk for mortality similar to those with CHD. These data underscore the importance of modulating risk beyond atherosclerosis in patients with comorbid HF and DM. 相似文献10.
Patrick Burns Grant S. Lipman Keiran Warner Carrie Jurkiewicz Caleb Phillips Linda Sanders Mario Soto Peter Hackett 《The American journal of medicine》2019,132(2):247-251
Background
Acute mountain sickness is a common occurrence for travel to high altitudes. Although previous studies of ibuprofen have shown efficacy for the prevention of acute mountain sickness, recommendations have been limited, as ibuprofen has not been compared directly with acetazolamide until this study.Methods
Before their ascent to 3810 m on White Mountain in California, adult volunteers were randomized to ibuprofen (600 mg, 3 times daily, started 4 hours before the ascent), or to acetazolamide (125 mg, twice daily, started the night before the ascent). The main outcome measure was acute mountain sickness incidence, using the Lake Louise Questionnaire (LLQ), with a score of >3 with headache. Sleep quality and headache severity were measured with the Groningen Sleep Quality Survey (GSQS). This trial was registered at ClinicalTrials.gov: NCT03154645Results
Ninety-two participants completed the study: 45 (49%) on ibuprofen and 47 (51%) on acetazolamide. The total incidence of acute mountain sickness was 56.5%, with the incidence for the ibuprofen group being 11% greater than that for acetazolamide, surpassing the predetermined 26% noninferiority margin (62.2% vs 51.1%; 95% confidence interval [CI], –11.1 to 33.5). No difference was found in the total LLQ scores or subgroup symptoms between drugs (P?=?.8). The GSQS correlated with LLQ sleep (r?=?0.77; 95% CI, 0.67–0.84)=%. The acetazolamide group had higher peripheral capillary oxygen saturation than the ibuprofen group (88.5% vs 85.6%; P?=?.001).Conclusion
Ibuprofen was slightly inferior to acetazolamide for acute mountain sickness prevention and should not be recommended over acetazolamide for rapid ascent. Average symptoms and severity were similar between drugs, suggesting prevention of disease. 相似文献11.
Elias J. Dayoub Hema Datwani Jennifer Lewey Peter W. Groeneveld 《Journal of cardiac failure》2018,24(10):711-715
Background
Peripartum cardiomyopathy (PPCM) is an important cause of obstetrical morbidity. Few large national studies have investigated the cardiovascular outcomes of women with PPCM, particularly beyond the immediate postpartum period. We examined the cardiovascular outcomes of 1-year survivors of PPCM in a large commercially insured population.Methods and Results
A retrospective cohort study was conducted with the use of administrative claims from patients aged 15–54 years insured by a national commercial payer during 2005–2012. Women with PPCM were identified and matched by means of propensity score modeling to a control cohort of women undergoing childbirth without cardiovascular complications by demographics, comorbidities, and delivery year. Incidence of cardiovascular complications was measured from 11 to 365 days after delivery. A total of 975 women with PPCM were included in the study. At 1 year after delivery, the most common major adverse cardiovascular events (MACEs) among the PPCM group were venous thromboembolism (2.2% vs 0.4%; P?=?.001), subsequent heart failure hospitalization (1.6% vs 0.1%; P < .001), and atrial fibrillation (1.0% vs 0%; P?=?.008). The PPCM cohort had a greater incidence of MACEs compared with matched control subjects (6.3% vs 0.6%; P < .001).Conclusions
In PPCM survivors at 1 year, substantial morbidity continues to occur beyond the peripartum period, with venous thromboembolism and subsequent heart failure hospitalization being the most common complications. 相似文献12.
Antonia Scobie Sanch Kanagarajah Ross J. Harris Lisa Byrne Corinne Amar Kathie Grant Gauri Godbole 《The Journal of infection》2019,78(3):208-214
Listeriosis
is a foodborne illness that can result in septicaemia, Central Nervous System (CNS) disease, foetal loss and death in high risk patients.Objectives
To analyse the demographic trends, clinical features and treatment of non-perinatal listeriosis cases over a ten year period and identify mortality-associated risk factors.Methods
Reported laboratory-confirmed non-pregnancy associated cases of listeriosis between 2006 and 2015 in England were included and retrospectively analysed. Multivariate logistic regression analysis was performed to determine independent risk factors for mortality.Results
1357/1683 reported cases met the inclusion criteria. Overall all-cause mortality was 28.7%; however, mortality rates declined from 42.1% to 20.2%. Septicaemia was the most common presentation 69.5%, followed by CNS involvement 22.4%. CNS presentations were significantly associated with age?<?50 years, and septicaemia with older age. Age?>?80 years (OR 3.32 95% CI 1.92–5.74), solid-organ malignancy (OR 3.42 95% CI 2.29-5.11), cardiovascular disease (OR 3.30 95% CI 1.64–6.63), liver disease (OR 4.61 95% CI 2.47–8.61), immunosuppression (OR 2.12 95% CI 1.40-3.21) and septicaemia (OR 1.60 95% CI 1.17–2.20) were identified as independent mortality risk factors.Conclusions
High risk groups identified in this study should be the priority focus of future public health strategies aimed at reducing listeriosis incidence and mortality. 相似文献13.
Daniel Modin Morten Sengeløv Peter Godsk Jørgensen Flemming Javier Olsen Niels Eske Bruun Thomas Fritz-Hansen Ditte Madsen Andersen Jan Skov Jensen Tor Biering-Sørensen 《Journal of cardiac failure》2019,25(2):87-96
Background
The prognostic value of LA functional measures in heart failure patients with reduced ejection fraction (HFrEF) is unclear. Therefore, this study investigated the prognostic value of left atrial (LA) functional measures such as the left atrial emptying fraction (LAEF) and the minimal LA volume compared with left atrial volume index (LAVI) in HFrEF patients.Methods and Results
A total of 818 HFrEF patients with left ventricular ejection fractions <45% underwent echocardiography. LA volumes were determined by the area-length method from the apical 2-chamber and apical 4-chamber views. LAEF, minimal LA volume indexed to body surface area (MinLAVI), and LAVI were calculated. The end point was all-cause mortality. During a median follow-up of 3.3 years (interquartile range 1.8–4.6 years), 121 patients died (14.8%). Follow-up was 100%. In a final multivariable model adjusting for clinical and echocardiographic parameters, LAEF, but not MinLAVI or LAVI, was an independent predictor of all-cause mortality in HFrEF patients: LAEF: hazard ratio (HR) 1.11 (P?=?.033) per 5% decrease; MinLAVI: HR 1.03 (P?=?.57) per 5 mL/m2 increase; LAVI: HR 1.06 (P?=?.16) per 5 mL/m2 increase.Conclusions
LAEF is an independent predictor of all-cause mortality in HFrEF patients after multivariable adjustment. LAEF provides incremental prognostic value over LAVI in risk stratification of HFrEF patients. 相似文献14.
Sakthi Sundararajan Michael S. Kiernan Gregory S. Couper Jenica N. Upshaw David DeNofrio Amanda R. Vest 《Journal of cardiac failure》2019,25(3):188-194
Background:
Systolic heart failure (HF) is a low-grade systemic inflammatory state. Neutrophil-lymphocyte ratio (NLR) is a nonspecific inflammatory marker with prognostic value in HF. We aimed to determine the relationship between NLR and mortality during left ventricular assist device (LVAD) support.Methods and Results:
We retrospectively reviewed LVAD recipients implanted in the years 2010–2018. NLR was recorded before LVAD implantation and at intervals during LVAD support; pre-LVAD and 90-day LVAD NLRs were compared. Cox proportional hazard models were constructed to study the impact of NLR, both before LVAD implantation and at 90 days with LVAD, on mortality during subsequent LVAD support. Among 301 subjects, the median pre-LVAD NLR was 4.7 (interquartile range 3.0–8.0). Higher pre-LVAD NLR was independently associated with increased mortality during a median 324 days of LVAD support (adjusted hazard ratio [HR] 1.03, 95% confidence interval [CI] 1.01–1.06; P?=?.012, adjusted for pre-LVAD age, HF etiology, white blood count, hemoglobin, blood urea nitrogen, and sodium). After LVAD implantation, the NLR rose initially and then plateaued lower by day 90. Despite the mean decrease, higher 90-day LVAD NLR remained independently associated with increased mortality (adjusted HR 1.06, 95% CI 1.01–1.13; P?=?.033, stratified by early infection events).Conclusions:
Higher pre-LVAD NLR is independently associated with mortality during LVAD support. NLR improves during LVAD support, but even accounting for early infections, a higher NLR at day 90 remains associated with subsequent mortality. 相似文献15.
Haggai Bar-Yoseph Nadav Cohen Alexander Korytny Elias R. Andrawus Razi Even Dar Yuval Geffen Khetam Hussein Mical Paul 《The Journal of infection》2019,78(2):101-105
Objectives
To identify risk factors for mortality in a cohort of carbapenem-resistant enterobacteriaceae (CRE) carriers, focusing on immunosuppression and other risk factors known at the time of CRE carriage detection.Methods
We prospectively followed all new and known CRE carriers admitted between June 2016 and June 2017 to a single tertiary center in Israel. Patients were included in the study after confirmation of the carrier state. Demographic and clinical data were documented on admission or CRE acquisition and patients were followed prospectively post-discharge until January 2018 or death. Risk factors for mortality known at the time of the first encounter with a CRE carrier were sought. Adjusted hazard ratios (HR) for mortality at end of follow-up with 95% confidence intervals (CI) were assessed using Cox regression analysis.Results
A total of 115 patients were included in the analysis. During the study period, 66 (57.4%) patients died. Immunosuppression was associated with mortality (HR 1.95, CI 95% 1.12–3.44), adjusted to the Charlson co-morbidity score, functional status, chronic renal disease and Klebsiella pneumonia CRE, the latter three also significantly associated with mortality. CRE bacteremia occurred among 24 (20.9%) carriers during follow up, more frequently among immunosuppressed patients and was significantly associated with mortality at end of follow-up (p?=?0.015).Conclusion
Immunosuppression is independently associated with mortality among CRE carriers, possibly related to CRE bacteremia that is frequent among these patients. Further research is needed on interventions to prevent deaths among CRE carriers. 相似文献16.
Beatriz S. Ribeiro Agnaldo J. Lopes Sara L.S. Menezes Fernando S. Guimarães 《Heart & lung : the journal of critical care》2019,48(1):39-45
Background
Ventilator hyperinflation (VHI) is effective in improving respiratory mechanics, secretion removal, and gas exchange in mechanically ventilated subjects; however, there are no recommendations for the best ventilator settings to perform the technique.Objective
To compare six modes of VHI, concerning physiological markers of efficacy and safety criteria to support the selection of optimal settings.Methods
Thirty mechanically ventilated patients underwent six modes of VHI in a randomized order. The delivered volume, expiratory flow bias criteria, overdistension, patient–ventilator asynchronies and hemodynamic variables were assessed during the interventions.Results
Volume-controlled ventilation with inspiratory flow of 20 lpm (VC-CMV20) and pressure support ventilation (PSV) achieved the best effectiveness scores (P?<?0.05). The target peak pressure of 40 cmH2O was associated with a high incidence of overdistension. PSV showed a lower incidence of patient–ventilator asynchronies.Conclusions
The modes VC-CMV20 and PSV are the most effective for VHI. Alveolar overdistension and patient–ventilator asynchronies must be considered when applying VHI. 相似文献17.
Babak Hooshmand Minna Rusanen Tiia Ngandu Jaana Leiviskä Shireen Sindi Christine A.F. von Arnim Peter Falkai Hilkka Soininen Jaakko Tuomilehto Miia Kivipelto 《The American journal of medicine》2019,132(3):367-373
Purpose
The aim of this study was to examine the association of serum glucose, insulin, and insulin resistance with cognitive functioning 7 years later in a longitudinal population-based study of Finnish older adults.Methods
Serum glucose and insulin were measured at baseline in 269 dementia-free individuals aged 65-79 years, from the Cardiovascular Risk Factors, Aging, and Dementia (CAIDE) study. Insulin resistance was estimated with the homeostasis model assessment (HOMA-IR). Participants were reexamined 7 years later, and global cognition, episodic memory, executive functioning, verbal expression, and psychomotor speed were assessed, both at baseline and at follow-up. Multiple linear regression was used to investigate the associations with cognitive performance at follow-up, after adjusting for several potential confounders, including common vascular risk factors.Results
In the multivariable-adjusted linear regression models, no associations of insulin resistance with cognitive functioning were observed. After excluding 19 incident dementia cases, higher baseline HOMA-IR values were related to worse performance in global cognition (β [standard error (SE)] -.050 [0.02]; P?=?.043) and psychomotor speed (β [SE] -.064 [.03]; P?=?[.043]) 7 years later. Raised serum insulin levels were associated with lower scores on global cognition (β [SE] -.054 [.03]; P?=?.045) and tended to relate to poorer performance in psychomotor speed (β [SE] -.061 [.03]; P?=?.070).Conclusions
Serum insulin and insulin resistance may be independent predictors of cognitive performance 7 years later in elderly individuals without dementia. Randomized controlled trials are needed to determine this issue. 相似文献18.
Madeline R. Sterling Deanna Jannat-Khah Joanna Bryan Samprit Banerjee Leslie A. McClure Virginia G. Wadley Frederick W. Unverzagt Emily B. Levitan Parag Goyal Janey C. Peterson Jennifer J. Manly Deborah A. Levine Monika M. Safford 《Journal of cardiac failure》2019,25(2):130-136
Background
Cognitive impairment (CI) is estimated to be present in 25%–80% of heart failure (HF) patients, but its prevalence at diagnosis is unclear. To improve our understanding of cognition in HF, we determined the prevalence of CI among adults with incident HF in the REGARDS study.Methods and Results
REGARDS is a longitudinal cohort study of adults ≥45 years of age recruited in the years 2003–2007. Incident HF was expert adjudicated. Cognitive function was assessed with the Six-Item Screener. The prevalence of CI among those with incident HF was compared with the prevalence of CI among an age-, sex-, and race-matched cohort without HF. The 436 participants with incident HF had a mean age of 70.3 years (SD 8.9), 47% were female, and 39% were black. Old age, black race, female sex, less education, and anticoagulation use were associated with CI. The prevalence of CI among participants with incident HF (14.9% [95% CI 11.7%–18.6%]) was similar to the non-HF matched cohort (13.4% [11.6%–15.4%]; P < .43).Conclusions
A total of 14.9% of the adults with incident HF had CI, suggesting that the majority of cognitive decline occurs after HF diagnosis. Increased awareness of CI among newly diagnosed patients and ways to mitigate it in the context of HF management are warranted. 相似文献19.
Shirit Sara Kazum Alexander Sagie Tzippy Shochat Tuvia Ben-Gal Tamir Bental Ran Kornowski Yaron Shapira Mordehay Vaturi Tal Hasin 《The American journal of medicine》2019,132(1):81-87
Purpose
We initiated this study to evaluate the prevalence and clinical significance of tricuspid regurgitation in patients with left ventricular dysfunction.Methods
A single-center analysis of all echocardiographic studies between 2000 and 2013 was performed. Patients with ejection fraction <35% were included, and those with mechanical valves, mitral stenosis, or significant aortic valve pathology were excluded. Patients were grouped based on tricuspid regurgitation severity (nonsignificant, moderate, and severe). Demographic and echocardiographic findings and survival were compared.Results
The study included 3943 patients (74% male, age 69 ± 14 years); 70% had nonsignificant, 24% had moderate, and 6% had severe tricuspid regurgitation. In a multivariate model, tricuspid regurgitation was independently associated with older age (odds ratio [OR] 1.009; 95% confidence interval [CI], 1.001-1.017; P?=?.022), female sex (OR 1.644; 95% CI, 1.329-2.035; P < .001), atrial fibrillation (OR 1.764; 95% CI, 1.429-2.134; P < .001), tricuspid regurgitation gradient (OR 1.051; 95% CI, 1.045-1.058; P < .001 per mm Hg), right ventricular dysfunction (OR 3.492; 95% CI, 2.870-4.248; P < .001), left atrial area (cm2, OR 1.031; 95% CI, 1.013-1.049; P < .001), mitral regurgitation severity (P < .001), and lack of hypertension (OR 0.760; 95% CI, 0.616-0.936; P?=?.010) or obesity (OR 0.583; 95% CI, 0.427-0.796; P < .001). Patients were followed for a median of 8.15 years (interquartile range 4.75-11.42). Median survival was 4.88 years for nonsignificant, 2.3 years for moderate, and 1.6 years for patients with severe tricuspid regurgitation, significantly associated with tricuspid regurgitation severity (hazard ratio 1.513; 95% CI, 1.383-1.656 for moderate, hazard ratio 1.857; 95% CI, 1.606-2.148 for severe tricuspid regurgitation; P < .001), the association persisted after multiple adjustments.Conclusions
Significant tricuspid regurgitation is common in patients with left ventricular dysfunction. It is linked to various cardiac pathologies and independently associated with increased mortality. 相似文献20.
Dong Kyu Oh Jong-Min Song Duk-Woo Park Sang Young Oh Jin-Sook Ryu Jaewon Lee Sang Do Lee Jae Seung Lee 《Heart & lung : the journal of critical care》2019,48(1):28-33