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Akinyemi O, Fasokun M, Odusanya E, Weldeslase T, Omokhodion O, Michael M, Hughes K. The relationship between neighborhood economic deprivation and community-acquired pneumonia related admissions in Maryland. Front Public Health 2024; 12:1412671. [PMID: 39091520 PMCID: PMC11291354 DOI: 10.3389/fpubh.2024.1412671] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/01/2024] [Accepted: 07/08/2024] [Indexed: 08/04/2024] Open
Abstract
Introduction Community-acquired pneumonia (CAP) is a major health concern in the United States (US), with its incidence, severity, and outcomes influenced by social determinants of health, including socioeconomic status. The impact of neighborhood socioeconomic status, as measured by the Distressed Communities Index (DCI), on CAP-related admissions remains understudied in the literature. Objective To determine the independent association between DCI and CAP-related admissions in Maryland. Methods We conducted a retrospective study using the Maryland State Inpatient Database (SID) to collate data on CAP-related admissions from January 2018 to December 2020. The study included adults aged 18-85 years. We explored the independent association between community-level economic deprivation based on DCI quintiles and CAP-related admissions, adjusting for significant covariates. Results In the study period, 61,467 cases of CAP-related admissions were identified. The patients were predominantly White (49.7%) and female (52.4%), with 48.6% being over 65 years old. A substantive association was found between the DCI and CAP-related admissions. Compared to prosperous neighborhoods, patients living in economically deprived communities had 43% increased odds of CAP-related admissions. Conclusion Residents of the poorest neighborhoods in Maryland have the highest risk of CAP-related admissions, emphasizing the need to develop effective public health strategies beneficial to the at-risk patient population.
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Affiliation(s)
- Oluwasegun Akinyemi
- Department of Surgery Outcomes Research Center, Howard University College of Medicine, Washington, DC, United States
- Department of Health Policy and Management, University of Maryland, College Park, MD, United States
| | - Mojisola Fasokun
- Department of Epidemiology, University of Alabama at Birmingham, Birmingham, AL, United States
| | - Eunice Odusanya
- Department of Surgery Outcomes Research Center, Howard University College of Medicine, Washington, DC, United States
| | - Terhas Weldeslase
- Department of Surgery Outcomes Research Center, Howard University College of Medicine, Washington, DC, United States
- Department of Surgery, Howard University College of Medicine, Washington, DC, United States
| | - Ofure Omokhodion
- Department of Epidemiology, John Hopkins University Bloomberg School of Public Health, Baltimore, MD, United States
| | - Miriam Michael
- Department of Internal Medicine, Howard University College of Medicine, Washington, DC, United States
| | - Kakra Hughes
- Department of Surgery, Howard University College of Medicine, Washington, DC, United States
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Alhamhoom Y, Kumaraswamy T, Kumar A, Nanjappa SH, Prakash SS, Rahamathulla M, Thajudeen KY, Ahmed MM, Shivanandappa TB. Formulation and Evaluation of pH-Modulated Amorphous Solid Dispersion-Based Orodispersible Tablets of Cefdinir. Pharmaceutics 2024; 16:866. [PMID: 39065563 PMCID: PMC11279461 DOI: 10.3390/pharmaceutics16070866] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/20/2024] [Revised: 06/22/2024] [Accepted: 06/25/2024] [Indexed: 07/28/2024] Open
Abstract
Cefdinir (CEF) is a semi-synthetic third-generation broad-spectrum oral cephalosporin that exhibits poor solubility at lower pH values. Considering this, pH-modulated CEF solid dispersions (ASDs) were produced by solvent evaporation method employing various hydrophilic carriers and alkalizers. Among different carriers, ASDs produced using PEG 6000 with meglumine as alkalizer were found to significantly increase (p < 0.005) the drug solubility (4.50 ± 0.32 mg/mL) in pH 1.2. Fourier transform infrared spectrophotometry confirmed chemical integrity of CEF while differential scanning calorimetry (DSC) and X-ray diffractometry (XRD) indicated CEF was reduced to an amorphous state in ASD8. Antimicrobial assay performed by well diffusion method against Staphylococcus aureus (MTCC96) and Escherichia coli (MTCC118) demonstrated significantly superior (p < 0.001) efficacy of CEFSD compared to CEF. The porous orodispersible tablets (ODTs) of ASD8 (batch F5) were developed by incorporating ammonium bicarbonate as a subliming agent by direct compression, followed by vacuum drying displayed quick disintegration (27.11 ± 1.96 s) that met compendial norms and near-complete dissolution (93.85 ± 1.27%) in 30 min. The ODTs of ASD8 appear to be a promising platform to mitigate the pH-dependent solubility and dissolution issues associated with CEF in challenging physiological pH conditions prevalent in stomach. Thus, ODTs of ASD8 are likely to effectively manage various infections and avoid development of drug-resistant strains, thereby improving the curing rates.
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Affiliation(s)
- Yahya Alhamhoom
- Department of Pharmaceutics, College of Pharmacy, King Khalid University, Al Faraa, Abha 62223, Saudi Arabia; (Y.A.); (M.R.)
| | - Thanusha Kumaraswamy
- Department of Pharmaceutics, KLE College of Pharmacy, Rajajinagar, Bengaluru 560010, India; (T.K.); (A.K.); (S.S.P.)
| | - Avichal Kumar
- Department of Pharmaceutics, KLE College of Pharmacy, Rajajinagar, Bengaluru 560010, India; (T.K.); (A.K.); (S.S.P.)
| | | | - Sanjana S. Prakash
- Department of Pharmaceutics, KLE College of Pharmacy, Rajajinagar, Bengaluru 560010, India; (T.K.); (A.K.); (S.S.P.)
| | - Mohamed Rahamathulla
- Department of Pharmaceutics, College of Pharmacy, King Khalid University, Al Faraa, Abha 62223, Saudi Arabia; (Y.A.); (M.R.)
| | - Kamal Y. Thajudeen
- Department of Pharmacognosy, College of Pharmacy, King Khalid University, Al Faraa, Abha 62223, Saudi Arabia;
| | - Mohammed Muqtader Ahmed
- Department of Pharmaceutics, College of Pharmacy, Prince Sattam Bin Abdul Aziz University, Al Kharj 11942, Saudi Arabia;
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Mommsen P, März V, Krezdorn N, Aktas G, Sehmisch S, Vogt PM, Großner T, Omar Pacha T. Reconstruction of an Extensive Segmental Radial Shaft Bone Defect by Vascularized 3D-Printed Graft Cage. J Pers Med 2024; 14:178. [PMID: 38392611 PMCID: PMC10890561 DOI: 10.3390/jpm14020178] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/08/2024] [Revised: 01/31/2024] [Accepted: 02/02/2024] [Indexed: 02/24/2024] Open
Abstract
We report here a 46-year-old male patient with a 14 cm segmental bone defect of the radial shaft after third degree open infected fracture caused by a shrapnel injury. The patient underwent fixed-angle plate osteosynthesis and bone reconstruction of the radial shaft by a vascularized 3D-printed graft cage, including plastic coverage with a latissimus dorsi flap and an additional central vascular pedicle. Bony reconstruction of segmental defects still represents a major challenge in musculo-skeletal surgery. Thereby, 3D-printed scaffolds or graft cages display a new treatment option for bone restoration. As missing vascularization sets the limits for the treatment of large-volume bone defects by 3D-printed scaffolds, in the present case, we firstly describe the reconstruction of an extensive radial shaft bone defect by using a graft cage with additional vascularization.
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Affiliation(s)
- Philipp Mommsen
- Department of Trauma Surgery, Hannover Medical School, 30625 Hannover, Germany
| | - Vincent März
- Department of Plastic, Aesthetic, Hand and Reconstructive Surgery, Hannover Medical School, 30625 Hannover, Germany
| | - Nicco Krezdorn
- Department of Plastic, Aesthetic, Hand and Reconstructive Surgery, Hannover Medical School, 30625 Hannover, Germany
- Department of Plastic and Breast Surgery, Roskilde University Hospital, 4000 Roskilde, Denmark
| | - Gökmen Aktas
- Department of Trauma Surgery, Hannover Medical School, 30625 Hannover, Germany
| | - Stephan Sehmisch
- Department of Trauma Surgery, Hannover Medical School, 30625 Hannover, Germany
| | - Peter Maria Vogt
- Department of Plastic, Aesthetic, Hand and Reconstructive Surgery, Hannover Medical School, 30625 Hannover, Germany
| | - Tobias Großner
- BellaSeno GmbH, 04103 Leipzig, Germany
- BellaSeno Pty Ltd., Brisbane, QLD 4220, Australia
| | - Tarek Omar Pacha
- Department of Trauma Surgery, Hannover Medical School, 30625 Hannover, Germany
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Li Y, Zhang J, Wang S, Cao J. Diagnostic and Prognostic Value of Peripheral Neutrophil CD64 Index in Elderly Patients with Community-Acquired Pneumonia. Crit Rev Immunol 2024; 44:79-89. [PMID: 38505923 DOI: 10.1615/critrevimmunol.2024050769] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 03/21/2024]
Abstract
Community-acquired pneumonia (CAP) is a leading cause of hospitalization and mortality in the elderly. The peripheral blood neutrophil CD64 (nCD64) index is increasingly recognized for its association with poor pneumonia prognosis. A comprehensive investigation involving 128 elderly patients diagnosed with CAP, including 96 with non-severe CAP and 32 with severe CAP, from January 2020 to January 2021 was performed. The nCD64 index, CD4+, CD8+, C-reactive protein (CRP), white blood cell (WBC) count, procalcitonin (PCT), neutrophil (NEUT), and B lymphocyte count were determined using flow cytometry. Our findings reveal that patients with severe CAP exhibited significantly higher levels of nCD64 index, NEUT, WBC, CRP, and PCT. Intriguingly, lower CRP, nCD64 index, CURB-65 score, and PCT were associated with a higher survival rate. Notably, the nCD64 index demonstrated remarkable predictive efficiency for 28-d survival in CAP patients [area under the curve (AUC) = 0.907], surpassing other markers and even showing enhanced predictive power when combined with the CURB-65 score (AUC = 0.905). Furthermore, a negative association was observed between the nCD64 index and both CD4+, CD4+/CD8+ ratios, and B lymphocytes, highlighting its potential role in immune dysregulation. These findings underscore the critical importance of the nCD64 index in the early diagnosis, risk stratification, and prognostic evaluation of infections and immune responses in elderly CAP patients.
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Affiliation(s)
- Yan Li
- Department of Respiratory and Critical Care Medicine, Tianjin Medical University General Hospital, Tianjin 300052, China
| | - Jing Zhang
- Department of Respiratory and Critical Care Medicine, Tianjin Medical University General Hospital, Tianjin 300052, China
| | - Suhang Wang
- Department of Respiratory and Critical Care Medicine, Tianjin Medical University General Hospital, Tianjin 300052, China
| | - Jie Cao
- Tianjin Medical University General Hospital
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Laubach M, Hildebrand F, Suresh S, Wagels M, Kobbe P, Gilbert F, Kneser U, Holzapfel BM, Hutmacher DW. The Concept of Scaffold-Guided Bone Regeneration for the Treatment of Long Bone Defects: Current Clinical Application and Future Perspective. J Funct Biomater 2023; 14:341. [PMID: 37504836 PMCID: PMC10381286 DOI: 10.3390/jfb14070341] [Citation(s) in RCA: 21] [Impact Index Per Article: 21.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/19/2023] [Revised: 05/31/2023] [Accepted: 06/21/2023] [Indexed: 07/29/2023] Open
Abstract
The treatment of bone defects remains a challenging clinical problem with high reintervention rates, morbidity, and resulting significant healthcare costs. Surgical techniques are constantly evolving, but outcomes can be influenced by several parameters, including the patient's age, comorbidities, systemic disorders, the anatomical location of the defect, and the surgeon's preference and experience. The most used therapeutic modalities for the regeneration of long bone defects include distraction osteogenesis (bone transport), free vascularized fibular grafts, the Masquelet technique, allograft, and (arthroplasty with) mega-prostheses. Over the past 25 years, three-dimensional (3D) printing, a breakthrough layer-by-layer manufacturing technology that produces final parts directly from 3D model data, has taken off and transformed the treatment of bone defects by enabling personalized therapies with highly porous 3D-printed implants tailored to the patient. Therefore, to reduce the morbidities and complications associated with current treatment regimens, efforts have been made in translational research toward 3D-printed scaffolds to facilitate bone regeneration. Three-dimensional printed scaffolds should not only provide osteoconductive surfaces for cell attachment and subsequent bone formation but also provide physical support and containment of bone graft material during the regeneration process, enhancing bone ingrowth, while simultaneously, orthopaedic implants supply mechanical strength with rigid, stable external and/or internal fixation. In this perspective review, we focus on elaborating on the history of bone defect treatment methods and assessing current treatment approaches as well as recent developments, including existing evidence on the advantages and disadvantages of 3D-printed scaffolds for bone defect regeneration. Furthermore, it is evident that the regulatory framework and organization and financing of evidence-based clinical trials remains very complex, and new challenges for non-biodegradable and biodegradable 3D-printed scaffolds for bone regeneration are emerging that have not yet been sufficiently addressed, such as guideline development for specific surgical indications, clinically feasible design concepts for needed multicentre international preclinical and clinical trials, the current medico-legal status, and reimbursement. These challenges underscore the need for intensive exchange and open and honest debate among leaders in the field. This goal can be addressed in a well-planned and focused stakeholder workshop on the topic of patient-specific 3D-printed scaffolds for long bone defect regeneration, as proposed in this perspective review.
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Affiliation(s)
- Markus Laubach
- Australian Research Council (ARC) Training Centre for Multiscale 3D Imaging, Modelling and Manufacturing (M3D Innovation), Queensland University of Technology, Brisbane, QLD 4000, Australia
- Centre for Biomedical Technologies, School of Mechanical, Medical and Process Engineering, Queensland University of Technology, Brisbane, QLD 4059, Australia
- Department of Orthopaedics and Trauma Surgery, Musculoskeletal University Center Munich (MUM), LMU University Hospital, LMU Munich, Marchioninistraße 15, 81377 Munich, Germany
| | - Frank Hildebrand
- Department of Orthopaedics, Trauma and Reconstructive Surgery, RWTH Aachen University Hospital, Pauwelsstraße 30, 52074 Aachen, Germany
| | - Sinduja Suresh
- Australian Research Council (ARC) Training Centre for Multiscale 3D Imaging, Modelling and Manufacturing (M3D Innovation), Queensland University of Technology, Brisbane, QLD 4000, Australia
- Centre for Biomedical Technologies, School of Mechanical, Medical and Process Engineering, Queensland University of Technology, Brisbane, QLD 4059, Australia
| | - Michael Wagels
- Department of Plastic Surgery, Princess Alexandra Hospital, Woolloongabba, QLD 4102, Australia;
- The Herston Biofabrication Institute, The University of Queensland, Herston, QLD 4006, Australia
- Southside Clinical Division, School of Medicine, University of Queensland, Woolloongabba, QLD 4102, Australia
- Department of Plastic and Reconstructive Surgery, Queensland Children’s Hospital, South Brisbane, QLD 4101, Australia
- The Australian Centre for Complex Integrated Surgical Solutions, Woolloongabba, QLD 4102, Australia
| | - Philipp Kobbe
- Department of Orthopaedics, Trauma and Reconstructive Surgery, RWTH Aachen University Hospital, Pauwelsstraße 30, 52074 Aachen, Germany
| | - Fabian Gilbert
- Department of Orthopaedics and Trauma Surgery, Musculoskeletal University Center Munich (MUM), LMU University Hospital, LMU Munich, Marchioninistraße 15, 81377 Munich, Germany
| | - Ulrich Kneser
- Department of Hand, Plastic and Reconstructive Surgery, Microsurgery, Burn Center, BG Trauma Center Ludwigshafen, University of Heidelberg, 67071 Ludwigshafen, Germany
| | - Boris M. Holzapfel
- Department of Orthopaedics and Trauma Surgery, Musculoskeletal University Center Munich (MUM), LMU University Hospital, LMU Munich, Marchioninistraße 15, 81377 Munich, Germany
| | - Dietmar W. Hutmacher
- Australian Research Council (ARC) Training Centre for Multiscale 3D Imaging, Modelling and Manufacturing (M3D Innovation), Queensland University of Technology, Brisbane, QLD 4000, Australia
- Centre for Biomedical Technologies, School of Mechanical, Medical and Process Engineering, Queensland University of Technology, Brisbane, QLD 4059, Australia
- Max Planck Queensland Centre (MPQC) for the Materials Science of Extracellular Matrices, Queensland University of Technology, Brisbane, QLD 4000, Australia
- ARC Training Centre for Cell and Tissue Engineering Technologies (CTET), Queensland University of Technology (QUT), Brisbane, QLD 4000, Australia
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Zhao H, Tu J, She Q, Li M, Wang K, Zhao W, Huang P, Chen B, Wu J. Prognostic significance of frailty in hospitalized elderly patients with community-acquired pneumonia: a retrospective cohort study. BMC Geriatr 2023; 23:308. [PMID: 37198576 DOI: 10.1186/s12877-023-04029-3] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/12/2022] [Accepted: 05/08/2023] [Indexed: 05/19/2023] Open
Abstract
BACKGROUND Frailty is associated with poor prognosis in a wide range of illnesses. However, its prognostic implications for older patients with community-acquired pneumonia (CAP) are not adequately addressed. METHODS In this study, patients were classified into 3 groups according to the frailty index based on standard laboratory tests (FI-Lab) score: robust (FI-Lab < 0.2), pre-frail (FI-Lab 0.2-0.35), and frail (FI-Lab ≥ 0.35). The relationships between frailty and all-cause mortality and short-term clinical outcomes (length of stay, duration of antibiotic therapy, in-hospital mortality) were examined. RESULTS Finally, 1164 patients were included, the median age was 75 years (interquartile range: 69, 82), and 438 patients (37.6%) were women. According to FI-Lab, 261(22.4%), 395(33.9%), and 508(43.6%) were robust, pre-frail, and frail. After adjustment for confounding variables, frailty was independently associated with prolonged antibiotic treatment (p = 0.037); pre-frailty and frailty were independently associated with longer inpatient days (p < 0.05 for both). The risk of in-hospital mortality was independently increased in frail patients (HR = 5.01, 95% CI = 1.51-16.57, p = 0.008) but not pre-frail patients (HR = 2.87, 95% CI = 0.86-9.63, p = 0.088) compared to robust patients. During a median follow-up of 33.9 months (interquartile range: 32.8 to 35.1 months), 408 (35.1%) patients died, of whom 29 (7.1%) were robust, 112 (27.5%) were pre-frail, and 267 (65.9%) were frail. Compared to robust patients, frail and pre-frail were significantly associated with increased risk for all-cause death (HR = 4.29, 95%CI: 1.78-10.35 and HR = 2.42 95%CI: 1.01-5.82, respectively). CONCLUSIONS Frailty is common among older patients with CAP and is strongly associated with increased mortality, longer length of stay, and duration of antibiotics. A routine frail assessment at the admission of elderly patients with CAP is necessary as the first step for appropriate multidisciplinary interventions.
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Affiliation(s)
- Hongye Zhao
- Jiangsu Provincial Key Laboratory of Geriatrics, Department of Geriatrics, The First Affiliated Hospital of Nanjing Medical University, 300 Guangzhou Road, Jiangsu, 210029, Nanjing, P.R. China
- Department of General Practice, The First People's Hospital of Lianyungang, Lianyungang Clinical College of Nanjing Medical Unversity, Lianyungang, 222000, China
| | - Junlan Tu
- Department of Epidemiology, Center for Global Health, School of Public Health, Nanjing Medical University, Nanjing, 211166, China
| | - Quan She
- Jiangsu Provincial Key Laboratory of Geriatrics, Department of Geriatrics, The First Affiliated Hospital of Nanjing Medical University, 300 Guangzhou Road, Jiangsu, 210029, Nanjing, P.R. China
| | - Min Li
- Jiangsu Provincial Key Laboratory of Geriatrics, Department of Geriatrics, The First Affiliated Hospital of Nanjing Medical University, 300 Guangzhou Road, Jiangsu, 210029, Nanjing, P.R. China
| | - Kai Wang
- Jiangsu Provincial Key Laboratory of Geriatrics, Department of Geriatrics, The First Affiliated Hospital of Nanjing Medical University, 300 Guangzhou Road, Jiangsu, 210029, Nanjing, P.R. China
| | - Weihong Zhao
- Jiangsu Provincial Key Laboratory of Geriatrics, Department of Geriatrics, The First Affiliated Hospital of Nanjing Medical University, 300 Guangzhou Road, Jiangsu, 210029, Nanjing, P.R. China
| | - Peng Huang
- Department of Epidemiology, Center for Global Health, School of Public Health, Nanjing Medical University, Nanjing, 211166, China
| | - Bo Chen
- Jiangsu Provincial Key Laboratory of Geriatrics, Department of Geriatrics, The First Affiliated Hospital of Nanjing Medical University, 300 Guangzhou Road, Jiangsu, 210029, Nanjing, P.R. China.
| | - Jianqing Wu
- Jiangsu Provincial Key Laboratory of Geriatrics, Department of Geriatrics, The First Affiliated Hospital of Nanjing Medical University, 300 Guangzhou Road, Jiangsu, 210029, Nanjing, P.R. China.
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Kim BS, Kim JY, Park SH, Lee MM. Effects of a Senior Musical Program on the Physical Function and Cognitive Abilities of Older Women in the Community. Healthcare (Basel) 2023; 11:healthcare11081174. [PMID: 37108008 PMCID: PMC10137982 DOI: 10.3390/healthcare11081174] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/26/2023] [Revised: 03/30/2023] [Accepted: 04/12/2023] [Indexed: 04/29/2023] Open
Abstract
BACKGROUND We aimed to investigate the effects of a community-based senior musical program on the cognitive and physical functions in older women. METHOD Older women aged ≥65 years participating in a program at a community welfare center were randomized to experimental (n = 17) or control (n = 17) groups. The control group participated in singing and yoga classes offered at the welfare center, while the experimental group participated in a senior musical program consisting of vocal training, dancing, and breathing training. The effects of the 12-week program (120 min/session, two sessions/week) and the intergroup differences in outcomes were compared using the cognitive impairment screening test (CIST), pulmonary function test (PFT), respiratory muscle pressure test (RPT), and static and dynamic balance tests. RESULT The experimental group showed significant post-intervention changes in CIST scores, cardiorespiratory parameters, and static and dynamic balance (p < 0.05), but the control group only showed significant changes in some respiratory and balance parameters (p < 0.05). In comparison with the control group, the experimental group showed significantly greater post-intervention changes in the CIST score, PFT and RPT parameters, static balance, and Y-balance anterior (p < 0.05). CONCLUSIONS The senior musical program enhanced older women's cognitive, respiratory, and physical functions and promoted a sense of accomplishment and self-satisfaction.
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Affiliation(s)
- Byeong-Soo Kim
- Department of Physical Therapy, Graduate School, Daejeon University, 62, Daehak-ro, Dong-gu, Daejeon 34520, Republic of Korea
| | - Ji-Youn Kim
- Department of Performing Arts Contents, Daejeon University, 62, Daehak-ro, Dong-gu, Daejeon 34520, Republic of Korea
| | - Sam-Ho Park
- Department of Physical Therapy, Daejeon University, 62, Daehak-ro, Dong-gu, Daejeon 34520, Republic of Korea
| | - Myung-Mo Lee
- Department of Physical Therapy, Daejeon University, 62, Daehak-ro, Dong-gu, Daejeon 34520, Republic of Korea
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Wang LN, He DK, Shao YR, Lv J, Wang PF, Ge Y, Yan W. Early platelet level reduction as a prognostic factor in intensive care unit patients with severe aspiration pneumonia. Front Physiol 2023; 14:1064699. [PMID: 36960160 PMCID: PMC10029141 DOI: 10.3389/fphys.2023.1064699] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/08/2022] [Accepted: 01/25/2023] [Indexed: 03/09/2023] Open
Abstract
Introduction: This study investigates risk factors underlying the prognosis of severe aspiration pneumonia (SAP) in intensive care unit (ICU) patients and attempts to provide early prognosis reference for clinical tasks. Methods: Patients diagnosed with SAP and admitted to the ICU of Jinshan Hospital, Fudan University, Shanghai, China, between January 2021 and December 2021 were recruited in this retrospective cohort study. Clinical data on a patient's general condition, underlying diseases, laboratory indicators, and 90-day outcomes (survival or death) were recorded. Results: Multivariate logistic regression analysis showed that a low platelet count was an independent risk factor affecting the prognosis of death (OR = 6.68, 95% CI:1.10-40.78, β = 1.90, P = 0.040). Receiver operating characteristic (ROC) curve analysis was used to evaluate the predictive value of variables; cut-off values were calculated and the area under the curve was 0.7782 [(95% CI:0.686-0.871), p < 0.001] for the prediction of death at 90 days in all patients. The Kaplan-Meier curve used for survival analysis showed that, compared with the normal platelet group, the overall survival rate of patients with low platelet levels was significantly lower, and the difference was statistically significant [HR = 2.11, (95% CI:1.47-3.03), p = 0.0001, z = 4.05, X 2 = 14.89]. Cox regression analysis, used to further verify the influence of prognostic risk factors, showed that a concurrent low platelet count was the most important independent risk factor affecting the prognosis of SAP (HR = 2.12 [95% CI:1.12-3.99], X2 = 50.95, p = 0.021). Conclusion: These findings demonstrate an association between SAP mortality and platelet levels on admission. Thus, platelet level at admission may be used as a readily available marker for assessing the prognosis of patients with SAP.
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Affiliation(s)
- Li-Na Wang
- Department of General Practice, Jinshan Hospital, Fudan University, Shanghai, China
| | - Dai-Kun He
- Department of General Practice, Jinshan Hospital, Fudan University, Shanghai, China
- Center of Emergency and Intensive Care Unit, Jinshan Hospital, Fudan University, Shanghai, China
- Medical Research Centre for Chemical Injury, Emergency and Critical Care, Jinshan Hospital, Fudan University, Shanghai, China
- *Correspondence: Dai-Kun He,
| | - Yi-Ru Shao
- Center of Emergency and Intensive Care Unit, Jinshan Hospital, Fudan University, Shanghai, China
- Medical Research Centre for Chemical Injury, Emergency and Critical Care, Jinshan Hospital, Fudan University, Shanghai, China
| | - Jiang Lv
- Department of General Practice, Jinshan Hospital, Fudan University, Shanghai, China
| | - Peng-Fei Wang
- Center of Emergency and Intensive Care Unit, Jinshan Hospital, Fudan University, Shanghai, China
- Medical Research Centre for Chemical Injury, Emergency and Critical Care, Jinshan Hospital, Fudan University, Shanghai, China
| | - Ying Ge
- Department of General Practice, Jinshan Hospital, Fudan University, Shanghai, China
| | - Wei Yan
- Department of General Practice, Jinshan Hospital, Fudan University, Shanghai, China
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Smedemark SA, Aabenhus R, Llor C, Fournaise A, Olsen O, Jørgensen KJ. Biomarkers as point-of-care tests to guide prescription of antibiotics in people with acute respiratory infections in primary care. Cochrane Database Syst Rev 2022; 10:CD010130. [PMID: 36250577 PMCID: PMC9575154 DOI: 10.1002/14651858.cd010130.pub3] [Citation(s) in RCA: 18] [Impact Index Per Article: 9.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/07/2022]
Abstract
BACKGROUND Acute respiratory infections (ARIs) are by far the most common reason for prescribing an antibiotic in primary care, even though the majority of ARIs are of viral or non-severe bacterial aetiology. It follows that in many cases antibiotic use will not be beneficial to a patient's recovery but may expose them to potential side effects. Furthermore, limiting unnecessary antibiotic use is a key factor in controlling antibiotic resistance. One strategy to reduce antibiotic use in primary care is point-of-care biomarkers. A point-of-care biomarker (test) of inflammation identifies part of the acute phase response to tissue injury regardless of the aetiology (infection, trauma, or inflammation) and may be used as a surrogate marker of infection, potentially assisting the physician in the clinical decision whether to use an antibiotic to treat ARIs. Biomarkers may guide antibiotic prescription by ruling out a serious bacterial infection and help identify patients in whom no benefit from antibiotic treatment can be anticipated. This is an update of a Cochrane Review first published in 2014. OBJECTIVES To assess the benefits and harms of point-of-care biomarker tests of inflammation to guide antibiotic treatment in people presenting with symptoms of acute respiratory infections in primary care settings regardless of patient age. SEARCH METHODS We searched CENTRAL (2022, Issue 6), MEDLINE (1946 to 14 June 2022), Embase (1974 to 14 June 2022), CINAHL (1981 to 14 June 2022), Web of Science (1955 to 14 June 2022), and LILACS (1982 to 14 June 2022). We also searched three trial registries (10 December 2021) for completed and ongoing trials. SELECTION CRITERIA We included randomised controlled trials (RCTs) in primary care patients with ARIs that compared the use of point-of-care biomarkers with standard care. We included trials that randomised individual participants, as well as trials that randomised clusters of patients (cluster-RCTs). DATA COLLECTION AND ANALYSIS Two review authors independently extracted data on the following primary outcomes: number of participants given an antibiotic prescription at index consultation and within 28 days follow-up; participant recovery within seven days follow-up; and total mortality within 28 days follow-up. We assessed risk of bias using the Cochrane risk of bias tool and the certainty of the evidence using GRADE. We used random-effects meta-analyses when feasible. We further analysed results with considerable heterogeneity in prespecified subgroups of individual and cluster-RCTs. MAIN RESULTS We included seven new trials in this update, for a total of 13 included trials. Twelve trials (10,218 participants in total, 2335 of which were children) evaluated a C-reactive protein point-of-care test, and one trial (317 adult participants) evaluated a procalcitonin point-of-care test. The studies were conducted in Europe, Russia, and Asia. Overall, the included trials had a low or unclear risk of bias. However all studies were open-labelled, thereby introducing high risk of bias due to lack of blinding. The use of C-reactive protein point-of-care tests to guide antibiotic prescription likely reduces the number of participants given an antibiotic prescription, from 516 prescriptions of antibiotics per 1000 participants in the control group to 397 prescriptions of antibiotics per 1000 participants in the intervention group (risk ratio (RR) 0.77, 95% confidence interval (CI) 0.69 to 0.86; 12 trials, 10,218 participants; I² = 79%; moderate-certainty evidence). Overall, use of C-reactive protein tests also reduce the number of participants given an antibiotic prescription within 28 days follow-up (664 prescriptions of antibiotics per 1000 participants in the control group versus 538 prescriptions of antibiotics per 1000 participants in the intervention group) (RR 0.81, 95% CI 0.76 to 0.86; 7 trials, 5091 participants; I² = 29; high-certainty evidence). The prescription of antibiotics as guided by C-reactive protein tests likely does not reduce the number of participants recovered, within seven or 28 days follow-up (567 participants recovered within seven days follow-up per 1000 participants in the control group versus 584 participants recovered within seven days follow-up per 1000 participants in the intervention group) (recovery within seven days follow-up: RR 1.03, 95% CI 0.96 to 1.12; I² = 0%; moderate-certainty evidence) (recovery within 28 days follow-up: RR 1.02, 95% CI 0.79 to 1.32; I² = 0%; moderate-certainty evidence). The use of C-reactive protein tests may not increase total mortality within 28 days follow-up, from 1 death per 1000 participants in the control group to 0 deaths per 1000 participants in the intervention group (RR 0.53, 95% CI 0.10 to 2.92; I² = 0%; low-certainty evidence). We are uncertain as to whether procalcitonin affects any of the primary or secondary outcomes because there were few participants, thereby limiting the certainty of evidence. We assessed the certainty of the evidence as moderate to high according to GRADE for the primary outcomes for C-reactive protein test, except for mortality, as there were very few deaths, thereby limiting the certainty of the evidence. AUTHORS' CONCLUSIONS The use of C-reactive protein point-of-care tests as an adjunct to standard care likely reduces the number of participants given an antibiotic prescription in primary care patients who present with symptoms of acute respiratory infection. The use of C-reactive protein point-of-care tests likely does not affect recovery rates. It is unlikely that further research will substantially change our conclusion regarding the reduction in number of participants given an antibiotic prescription, although the size of the estimated effect may change. The use of C-reactive protein point-of-care tests may not increase mortality within 28 days follow-up, but there were very few events. Studies that recorded deaths and hospital admissions were performed in children from low- and middle-income countries and older adults with comorbidities. Future studies should focus on children, immunocompromised individuals, and people aged 80 years and above with comorbidities. More studies evaluating procalcitonin and potential new biomarkers as point-of-care tests used in primary care to guide antibiotic prescription are needed. Furthermore, studies are needed to validate C-reactive protein decision algorithms, with a specific focus on potential age group differences.
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Affiliation(s)
- Siri Aas Smedemark
- Department of Geriatric Medicine, Odense University Hospital, Odense, Denmark
- Geriatric Research Unit, Department of Clinical Research, University of Southern Denmark, Odense, Denmark
| | - Rune Aabenhus
- The Research Unit for General Practice and Section of General Practice, Department of Public Health, University of Copenhagen, Copenhagen, Denmark
| | - Carl Llor
- University Institute in Primary Care Research Jordi Gol, Via Roma Health Centre, Barcelona, Spain
- Research Unit of General Practice, Department of Public Health, General Practice, University of Southern Denmark, Odense, Denmark
| | - Anders Fournaise
- Department of Geriatric Medicine, Odense University Hospital, Odense, Denmark
- Geriatric Research Unit, Department of Clinical Research, University of Southern Denmark, Odense, Denmark
- Department of Cross-sectoral Collaboration, Region of Southern Denmark, Vejle, Denmark
- Epidemiology, Biostatistics and Biodemography, Department of Public Health, University of Southern Denmark, Odense, Denmark
| | - Ole Olsen
- The Research Unit for General Practice and Section of General Practice, Department of Public Health, University of Copenhagen, Copenhagen, Denmark
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Lv C, Li M, Shi W, Pan T, Muhith A, Peng W, Xu J, Deng J. Exploration of prognostic factors for prediction of mortality in elderly CAP population using a nomogram model. Front Med (Lausanne) 2022; 9:976148. [PMID: 36300178 PMCID: PMC9588947 DOI: 10.3389/fmed.2022.976148] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/23/2022] [Accepted: 09/16/2022] [Indexed: 11/23/2022] Open
Abstract
Background The incidence and mortality rate of community-acquired pneumonia (CAP) in elderly patients were higher than the younger population. The assessment tools including CURB-65 and qSOFA have been applied in early detection of high-risk patients with CAP. However, several disadvantages exist to limit the efficiency of these tools for accurate assessment in elderly CAP. Therefore, we aimed to explore a more comprehensive tool to predict mortality in elderly CAP population by establishing a nomogram model. Methods We retrospectively analyzed elderly patients with CAP in Minhang Hospital, Fudan University. The least absolute shrinkage and selection operator (LASSO) logistic regression combined with multivariate analyses were used to select independent predictive factors and established nomogram models via R software. Calibration plots, decision curve analysis (DCA) and receiver operating characteristic curve (ROC) were generated to assess predictive performance. Results LASSO and multiple logistic regression analyses showed the age, pulse, NLR, albumin, BUN, and D-dimer were independent risk predictors. A nomogram model (NB-DAPA model) was established for predicting mortality of CAP in elderly patients. In both training and validation set, the area under the curve (AUC) of the NB-DAPA model showed superiority than CURB-65 and qSOFA. Meanwhile, DCA revealed that the predictive model had significant net benefits for most threshold probabilities. Conclusion Our established NB-DAPA nomogram model is a simple and accurate tool for predicting in-hospital mortality of CAP, adapted for patients aged 65 years and above. The predictive performance of the NB-DAPA model was better than PSI, CURB-65 and qSOFA.
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Affiliation(s)
- Chunxin Lv
- Department of Oncology, Punan Hospital of Pudong New District, Shanghai, China
| | - Mengyuan Li
- Faculty of Life Sciences and Medicine, School of Cancer and Pharmaceutical Sciences, King’s College London, London, United Kingdom
| | - Wen Shi
- Department of Dermatology, Punan Hospital of Pudong New District, Shanghai, China
| | - Teng Pan
- Key Laboratory of Cancer Prevention and Therapy, The Third Department of Breast Cancer, Tianjin’s Clinical Research Center for Cancer, National Clinical Research Center for Cancer, Tianjin Medical University Cancer Institute and Hospital, Tianjin, China
| | - Abdul Muhith
- Department of Oncology, Royal Marsden Hospital, London, United Kingdom
| | - Weixiong Peng
- Hunan Zixing Artificial Intelligence Technology Group Co., Ltd., Changsha, China
| | - Jiayi Xu
- Department of Geriatric, Minhang Hospital, Fudan University, Shanghai, China,*Correspondence: Jiayi Xu,
| | - Jinhai Deng
- Richard Dimbleby Department of Cancer Research, Comprehensive Cancer Centre, King’s College London, London, United Kingdom,Jinhai Deng,
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De Cock AM, Strens D, Van Osta P, Standaert B. Infections and hospital bed-days among aging adults: A five-year retrospective study in a Belgian general hospital. FRONTIERS IN MEDICAL TECHNOLOGY 2022; 4:912469. [PMID: 36340588 PMCID: PMC9632861 DOI: 10.3389/fmedt.2022.912469] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/04/2022] [Accepted: 08/25/2022] [Indexed: 11/30/2022] Open
Abstract
Background Infectious disease in aging adults (≥61 years) often occurs in combination with other health conditions leading to long hospital stays. Detailed studies on infection in aging adults investigating this problem are sparse. Aim To quantify the effect of primary and secondary diagnosed infections on hospitalization bed-days among aging adult patients. Design Retrospective patient-file study. Setting Ziekenhuis Netwerk Antwerpen (ZNA) Hospital, a 1,858-bed general hospital in Belgium, with 364 beds allocated to geriatric patients. Data source Database of hospitalized adult patients aged ≥61 years. Methods All adult patients aged ≥61 years hospitalized on two wards, Geriatrics and Pulmonology, from 2010 to 2014 were included. Primary diagnosed infections were defined as infections known at entry to be treated first. Secondary diagnosed infections included infections known at entry but treated in parallel to primary non-infectious causes of entry, infections unknown at entry, and hospital-acquired (nosocomial) infections. Data were analyzed by patient age, gender, year, ward type, bed-days of hospitalization, infection rates, and seasonality. Results There were 3,306 primary diagnosed infections (18%) and 14,758 secondary infections (82%) identified in the two wards combined (54.7% of all hospital stays at those 2 wards). Secondary diagnosed infections accounted for a significantly higher proportion of hospitalizations in both wards (+40% for Geriatric ward; +20% for Pulmonology ward; p < 0.001) and were associated with a significantly longer average hospital stay (+4 days for Geriatric ward; +5 days for Pulmonology ward; p < 0.001). Nosocomial infections (12% for Geriatric ward; 7% for Pulmonology ward) were associated with particularly high bed-days of hospitalization, at approximately +15 days and +12 days on Geriatric and Pulmonology wards, respectively. Both wards showed marked seasonality for respiratory infections with winter peaks. Conclusion Real-world data showed that secondary diagnosed infections in aging adults imposed a high burden on hospital care along with longer hospital stays. This hampered bed availability during peak seasons.
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Affiliation(s)
- Anne-Marie De Cock
- University Centre of Geriatrics, General Hospital ZNA Middelheim, Antwerpen, Belgium
| | | | - Peter Van Osta
- University Centre of Geriatrics, General Hospital ZNA Middelheim, Antwerpen, Belgium
| | - Baudouin Standaert
- HEBO, Antwerpen, Belgium
- Research Unit Ethics / Patient Care, Faculty of Medicine and Life Sciences, University of Hasselt, Hasselt, Belgium
- Correspondence: Baudouin Standaert
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Morales Chacón LM, Galán García L, Cruz Hernández TM, Pavón Fuentes N, Maragoto Rizo C, Morales Suarez I, Morales Chacón O, Abad Molina E, Rocha Arrieta L. Clinical Phenotypes and Mortality Biomarkers: A Study Focused on COVID-19 Patients with Neurological Diseases in Intensive Care Units. Behav Sci (Basel) 2022; 12:234. [PMID: 35877304 PMCID: PMC9312189 DOI: 10.3390/bs12070234] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/01/2022] [Revised: 06/30/2022] [Accepted: 07/05/2022] [Indexed: 12/10/2022] Open
Abstract
Purpose: To identify clinical phenotypes and biomarkers for best mortality prediction considering age, symptoms and comorbidities in COVID-19 patients with chronic neurological diseases in intensive care units (ICUs). Subjects and Methods: Data included 1252 COVID-19 patients admitted to ICUs in Cuba between January and August 2021. A k-means algorithm based on unsupervised learning was used to identify clinical patterns related to symptoms, comorbidities and age. The Stable Sparse Classifiers procedure (SSC) was employed for predicting mortality. The classification performance was assessed using the area under the receiver operating curve (AUC). Results: Six phenotypes using a modified v-fold cross validation for the k-means algorithm were identified: phenotype class 1, mean age 72.3 years (ys)-hypertension and coronary artery disease, alongside typical COVID-19 symptoms; class 2, mean age 63 ys-asthma, cough and fever; class 3, mean age 74.5 ys-hypertension, diabetes and cough; class 4, mean age 67.8 ys-hypertension and no symptoms; class 5, mean age 53 ys-cough and no comorbidities; class 6, mean age 60 ys-without symptoms or comorbidities. The chronic neurological disease (CND) percentage was distributed in the six phenotypes, predominantly in phenotypes of classes 3 (24.72%) and 4 (35,39%); χ² (5) 11.0129 p = 0.051134. The cerebrovascular disease was concentrated in classes 3 and 4; χ² (5) = 36.63, p = 0.000001. The mortality rate totaled 325 (25.79%), of which 56 (17.23%) had chronic neurological diseases. The highest in-hospital mortality rates were found in phenotypes 1 (37.22%) and 3 (33.98%). The SSC revealed that a neurological symptom (ageusia), together with two neurological diseases (cerebrovascular disease and Parkinson's disease), and in addition to ICU days, age and specific symptoms (fever, cough, dyspnea and chilliness) as well as particular comorbidities (hypertension, diabetes and asthma) indicated the best prediction performance (AUC = 0.67). Conclusions: The identification of clinical phenotypes and mortality biomarkers using practical variables and robust statistical methodologies make several noteworthy contributions to basic and experimental investigations for distinguishing the COVID-19 clinical spectrum and predicting mortality.
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Affiliation(s)
| | | | | | - Nancy Pavón Fuentes
- International Center for Neurological Restoration, Havana 11300, Cuba; (N.P.F.); (C.M.R.); (E.A.M.)
| | - Carlos Maragoto Rizo
- International Center for Neurological Restoration, Havana 11300, Cuba; (N.P.F.); (C.M.R.); (E.A.M.)
| | | | - Odalys Morales Chacón
- Languages Center, Technological University of Havana Jose Antonio Echeverria, La Habana 3H3M+XJ6, Cuba;
| | - Elianne Abad Molina
- International Center for Neurological Restoration, Havana 11300, Cuba; (N.P.F.); (C.M.R.); (E.A.M.)
| | - Luisa Rocha Arrieta
- Center for Research and Advanced Studies México, Ciudad de México 14330, Mexico;
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Shakeel S, Muneswarao J, Abdul Aziz A, Yeong Le H, Abd. Halim FS, Rehman AU, Hussain R. Adherence to National Antimicrobial Guidelines in Hospitalized Geriatric Patients with Community-Acquired Pneumonia: A Prospective Observational study in a Malaysian Hospital. Antibiotics (Basel) 2021; 10:antibiotics10121490. [PMID: 34943702 PMCID: PMC8698928 DOI: 10.3390/antibiotics10121490] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/04/2021] [Revised: 11/26/2021] [Accepted: 12/02/2021] [Indexed: 11/30/2022] Open
Abstract
The evaluation of disease progression and onsite therapeutic care choices for community-acquired pneumonia (CAP) patients is vital for their well-being and the optimum utilization of healthcare resources. The current study was conducted to assess physicians’ adherence to clinical practice standards and antibiotic prescribing behavior for the treatment of CAP in older people. A prospective study that included 121 consecutive patients admitted for CAP was conducted at Kulim Hospital, Kedah, from March 2020 to August 2020. Medical records including demographic data, comorbidity, physical examination, laboratory or radiologic findings, and drugs used for the treatment of CAP were accessed from bed head tickets (BHT). The mean age for patients was 73.5 ± 6.2 years, 73 (60.3%) and 48 (39.6%) were males and females, respectively. Amoxicillin/clavulanate (19.8%) was the most prescribed antibiotic for non-severe pneumonia followed by ampicillin sodium/sulbactam sodium (6.6%), while in patients with severe CAP beta-lactam + beta lactamase inhibitors (BLIs) with a combination of macrolide were the most common antibiotics prescribed either in patients with (21.4%) or without co-morbidities (8.2%). The average length of stay in the hospital with severe pneumonia was 6–7 days for 23.9% of patients and < 5 days for 21.4% of patients. The duration of intravenous antibiotics in patients with severe pneumonia was 6–7 days for 32.2% of patients. The present findings revealed the adherence of antibiotic prescribing practices to the Malaysian National Antimicrobial Guideline 2019 for CAP therapy among geriatric patients and adherence to the CAP criteria for hospital admissions.
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Affiliation(s)
- Sadia Shakeel
- Department of Pharmacy Practice, Faculty of Pharmaceutical Sciences, Dow College of Pharmacy, Dow University of Health Sciences, Karachi 74200, Pakistan;
- Discipline of Social and Administrative Pharmacy, School of Pharmaceutical Sciences, Universiti Sains Malaysia, Penang 11800, Malaysia;
| | - Jaya Muneswarao
- Pharmacy Department, Hospital Pulau Pinang, Ministry of Health Malaysia, Penang 10990, Malaysia;
| | - Azrina Abdul Aziz
- Pharmacy Department, Hospital Kulim, Ministry of Health Malaysia, Kedah 09090, Malaysia; (A.A.A.); (H.Y.L.); (F.S.A.H.)
| | - Heng Yeong Le
- Pharmacy Department, Hospital Kulim, Ministry of Health Malaysia, Kedah 09090, Malaysia; (A.A.A.); (H.Y.L.); (F.S.A.H.)
| | - Fatin Syazwanni Abd. Halim
- Pharmacy Department, Hospital Kulim, Ministry of Health Malaysia, Kedah 09090, Malaysia; (A.A.A.); (H.Y.L.); (F.S.A.H.)
| | - Anees Ur Rehman
- Discipline of Social and Administrative Pharmacy, School of Pharmaceutical Sciences, Universiti Sains Malaysia, Penang 11800, Malaysia;
- Department of Pharmacy Practice, Faculty of Pharmacy, Bahauddin Zakariya University, Multan 60800, Pakistan
| | - Rabia Hussain
- Discipline of Social and Administrative Pharmacy, School of Pharmaceutical Sciences, Universiti Sains Malaysia, Penang 11800, Malaysia;
- Correspondence:
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Epidemiology and Prevention of Healthcare-Associated Infections in Geriatric Patients: A Narrative Review. INTERNATIONAL JOURNAL OF ENVIRONMENTAL RESEARCH AND PUBLIC HEALTH 2021; 18:ijerph18105333. [PMID: 34067797 PMCID: PMC8156303 DOI: 10.3390/ijerph18105333] [Citation(s) in RCA: 17] [Impact Index Per Article: 5.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Subscribe] [Scholar Register] [Received: 03/17/2021] [Revised: 05/10/2021] [Accepted: 05/12/2021] [Indexed: 12/16/2022]
Abstract
Demographic studies show that life expectancy is increasing in developed countries; increased longevity has also increased the share of the older population with often concomitant chronic conditions. An ageing population and increased comorbidities lead to more complex pharmacological therapies (polypharmacy). The particular picture provided by chronic conditions and polypharmacy can lead to longer hospital stays and a greater need for healthcare. Elderly patients are identified as being in the high-risk group for the development of healthcare-associated infections (HAIs) due to the age-related decline of the immune system, known as immunosenescence. Comorbid conditions can often complicate infections, diminishing our ability to treat them effectively. Respiratory tract infections are the most common healthcare-associated infections, followed by urinary tract infections. HAIs in geriatric patients are responsible for longer hospital stays, extended antibiotic therapy, significant mortality, and higher healthcare costs. This is because the microorganisms involved are multidrug-resistant and, therefore, more difficult to eliminate. Moreover, geriatric patients are frequently transferred from one facility (nursing homes, skilled nursing facilities, home care, and other specialty clinics) to another or from one hospital ward to another; these transitions cause care fragmentation, which can undermine the effectiveness of treatment and allow pathogens to be transferred from one setting to another and from one person to another. Multifactorial efforts such as early recognition of infections, restricted use of invasive devices, and effective infection control measures (surveillance, isolation practices, hand hygiene, etc.) can contribute to significant reduction of HAIs in geriatric patients.
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CAPPRIC Study-Characterization of Community-Acquired Pneumonia in Spanish Adults Managed in Primary Care Settings. Microorganisms 2021; 9:microorganisms9030508. [PMID: 33670930 PMCID: PMC7997465 DOI: 10.3390/microorganisms9030508] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/21/2020] [Revised: 02/11/2021] [Accepted: 02/24/2021] [Indexed: 12/18/2022] Open
Abstract
The real burden of community-acquired pneumonia (CAP) in non-hospitalized patients is largely unknown. This is a 3-year prospective, observational study of ambulatory CAP in adults, conducted in 24 Spanish primary care centers between 2016–2019. Sociodemographic and clinical variables of patients with radiographically confirmed CAP were collected. Pneumococcal etiology was assessed using the Binax Now® test. Patients were followed up for 10 ± 3 days. A total of 456 CAP patients were included in the study. Mean age was 56.6 (±17.5) years, 53.5% were female, and 53.9% had ≥1 comorbidity. Average incidence of CAP was 1.2–3.5 cases per 1000 persons per year. Eighteen patients (3.9%) were classified as pneumococcal CAP. Cough was present in 88.1% of patients at diagnosis and fever in 70.8%. Increased pulmonary density (63.3%) and alveolar infiltrates with air bronchogram (16.6%) were the most common radiographic findings. After 14.6 ± 6.0 days (95% CI = 13.9–15.3), 65.4% of patients had recovered. Hospitalization rate was 2.8%. The most frequently prescribed antibiotics were quinolones (58.7%) and β-lactams (31.1%). In conclusion, one-third of CAP patients did not fully recover after two weeks of empiric antibiotic therapy and 2.8% required hospitalization, highlighting the significant burden associated with non-hospitalized CAP in Spain.
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Luo J, Tang W, Sun Y, Jiang C. Impact of frailty on 30-day and 1-year mortality in hospitalised elderly patients with community-acquired pneumonia: a prospective observational study. BMJ Open 2020; 10:e038370. [PMID: 33130565 PMCID: PMC7783614 DOI: 10.1136/bmjopen-2020-038370] [Citation(s) in RCA: 14] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/17/2022] Open
Abstract
OBJECTIVES This study evaluates the impact of frailty, which is a state of increased vulnerability to stressors, on 30-day and 1-year mortality among elderly patients with community-acquired pneumonia (CAP). The main hypothesis is that frailty is an independent predictor of prognosis in elderly CAP patients. DESIGN Prospective, observational, follow-up cohort study. SETTING A 2000-bed tertiary care hospital in Beijing, China. PARTICIPANTS Consecutive CAP patients aged ≥65 years admitted to the geriatric department of our hospital between September 2017 and February 2019. MAIN OUTCOME MEASURES The primary outcomes were all-cause mortality at 30 days and 1 year after hospital admission. The impact of frailty (defined by frailty phenotype) on 30-day and 1-year mortality of elderly patients with CAP was assessed by Cox regression analysis. RESULTS The cohort included 256 patients. The median (IQR) age was 86 (81-90) years, and 180 (70.3%) participants were men. A total of 171/256 (66.8%) patients were frail. The prevalence of frailty was significantly associated with older age, female gender, lower body mass index, comorbidities, limitations in activities of daily living (ADLs) and poor nutritional status. Frail participants were significantly more likely to have severe CAP (SCAP) than non-frail counterparts (28.65% vs 9.41%, p<0.001). The 1-year mortality risk was approximately threefold higher in frail patients (adjusted HR, 2.70; 95% CI, 1.69 to 4.39) than non-frail patients. Subgroup analysis of patients with SCAP showed that the 1-year mortality risk was approximately threefold higher in the frail group (adjusted HR, 2.87; 95% CI, 1.58 to 4.96) than in the non-frail group. The association between frailty and 30-day mortality was not significant. CONCLUSIONS These findings suggest that frailty is strongly associated with SCAP and higher 1-year mortality in elderly patients with CAP, and frailty should be detected early to improve the management of these patients.
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Affiliation(s)
- Jia Luo
- Department of Geriatrics, Beijing Friendship Hospital, Capital Medical University, Beijing, P. R. China
| | - Wen Tang
- Department of Geriatrics, Beijing Friendship Hospital, Capital Medical University, Beijing, P. R. China
| | - Ying Sun
- Department of Geriatrics, Beijing Friendship Hospital, Capital Medical University, Beijing, P. R. China
| | - Chunyan Jiang
- Department of Geriatrics, Beijing Friendship Hospital, Capital Medical University, Beijing, P. R. China
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Cilloniz C, Dominedo C, Peroni HJ, Di Giannatale P, Garcia-Vidal C, Gabarrus A, Liapikou A, Ceccato A, Torres A. Difficult to treat microorganisms in patients aged over 80 years with community-acquired pneumonia: the prevalence of PES pathogens. Eur Respir J 2020; 56:13993003.00773-2020. [PMID: 32430413 DOI: 10.1183/13993003.00773-2020] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/19/2020] [Accepted: 04/28/2020] [Indexed: 11/05/2022]
Affiliation(s)
- Catia Cilloniz
- Dept of Pulmonology, Hospital Clinic of Barcelona; August Pi i Sunyer Biomedical Research Institute - IDIBAPS, University of Barcelona; Biomedical Research Networking Centres in Respiratory Diseases (CIBERES), Barcelona, Spain
| | - Cristina Dominedo
- Dept of Anaesthesiology and Intensive Care Medicine, Fondazione Policlinico Universitario A. Gemelli IRCCS, Università Cattolica del Sacro Cuore, Rome, Italy
| | - Héctor José Peroni
- Servicio de Clínica Medica, Sección de Neumonología, Hospital Italiano de Buenos Aires, Buenos Aires, Argentina
| | - Pierluigi Di Giannatale
- Dept of Anaesthesiology, Critical Care and Pain Management, "Gabriele d'Annunzio" University of Chieti-Pescara and "SS. Annunziata" Hospital of Chieti, Chieti, Italy
| | | | - Albert Gabarrus
- Dept of Pulmonology, Hospital Clinic of Barcelona; August Pi i Sunyer Biomedical Research Institute - IDIBAPS, University of Barcelona; Biomedical Research Networking Centres in Respiratory Diseases (CIBERES), Barcelona, Spain
| | | | - Adrian Ceccato
- Dept of Pulmonology, Hospital Clinic of Barcelona; August Pi i Sunyer Biomedical Research Institute - IDIBAPS, University of Barcelona; Biomedical Research Networking Centres in Respiratory Diseases (CIBERES), Barcelona, Spain
| | - Antoni Torres
- Dept of Pulmonology, Hospital Clinic of Barcelona; August Pi i Sunyer Biomedical Research Institute - IDIBAPS, University of Barcelona; Biomedical Research Networking Centres in Respiratory Diseases (CIBERES), Barcelona, Spain
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Bouza E, Brenes FJ, Díez Domingo J, Eiros Bouza JM, González J, Gracia D, Juárez González R, Muñoz P, Petidier Torregrossa R, Ribera Casado JM, Ramos Cordero P, Rodríguez Rovira E, Sáez Torralba ME, Serra Rexach JA, Tovar García J, Verdejo Bravo C, Palomo E. The situation of infection in the elderly in Spain: a multidisciplinary opinion document. REVISTA ESPANOLA DE QUIMIOTERAPIA : PUBLICACION OFICIAL DE LA SOCIEDAD ESPANOLA DE QUIMIOTERAPIA 2020; 33:327-349. [PMID: 32896115 PMCID: PMC7528417 DOI: 10.37201/req/057.2020] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 06/16/2020] [Revised: 06/29/2020] [Accepted: 07/14/2020] [Indexed: 11/10/2022]
Abstract
Infection in the elderly is a huge issue whose treatment usually has partial and specific approaches. It is, moreover, one of the areas where intervention can have the most success in improving the quality of life of older patients. In an attempt to give the widest possible focus to this issue, the Health Sciences Foundation has convened experts from different areas to produce this position paper on Infection in the Elderly, so as to compare the opinions of expert doctors and nurses, pharmacists, journalists, representatives of elderly associations and concluding with the ethical aspects raised by the issue. The format is that of discussion of a series of pre-formulated questions that were discussed by all those present. We begin by discussing the concept of the elderly, the reasons for their predisposition to infection, the most frequent infections and their causes, and the workload and economic burden they place on society. We also considered whether we had the data to estimate the proportion of these infections that could be reduced by specific programmes, including vaccination programmes. In this context, the limited presence of this issue in the media, the position of scientific societies and patient associations on the issue and the ethical aspects raised by all this were discussed.
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Affiliation(s)
- E Bouza
- Emilio Bouza, Instituto de Investigación Sanitaria Gregorio Marañón. C/ Dr. Esquerdo, 46 28007 Madrid, Spain.
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- Esteban Palomo, Director. Health Sciences Foundation. C/ Severo Ochoa 2 - 28760 Tres Cantos. Madrid. Phone +34 91 3530150
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19
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Affiliation(s)
- Trisha Greenhalgh
- Nuffield Department of Primary Care Health Sciences, University of Oxford, Oxford OX2 6GG, UK
| | | | - Christine A'Court
- Nuffield Department of Primary Care Health Sciences, University of Oxford, Oxford OX2 6GG, UK
| | - Maria Buxton
- West Hertfordshire Respiratory Service - Central London Community Healthcare, London, UK
| | - Laiba Husain
- Nuffield Department of Primary Care Health Sciences, University of Oxford, Oxford OX2 6GG, UK
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20
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Lupia T, Corcione S, Mornese Pinna S, De Rosa FG. New cephalosporins for the treatment of pneumonia in internal medicine wards. J Thorac Dis 2020; 12:3747-3763. [PMID: 32802454 PMCID: PMC7399401 DOI: 10.21037/jtd-20-417] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/20/2022]
Abstract
The burden of hospital admission for pneumonia in internal medicine wards may not be underestimated; otherwise, cases of pneumonia are a frequent indication for antimicrobial prescriptions. Community- and hospital-acquired pneumonia are characterized by high healthcare costs, morbidity and non-negligible rates of fatality. The overcoming prevalence of resistant gram-negative and positive bacteria (e.g., methicillin-resistant Staphylococcus aureus, penicillin and ceftriaxone-resistant Streptococcus pneumoniae, extended-spectrum β-lactamases and carbapenemases producing Enterobacteriaceae) has made the most of the first-line agents ineffective for treating lower respiratory tract infections. A broad-spectrum of activity, favourable pulmonary penetration, harmlessness and avoiding in some cases a combination therapy, characterise new cephalosporins such as ceftolozane/tazobactam, ceftobiprole, ceftazidime/avibactam and ceftaroline. We aimed to summarise the role and place in therapy of new cephalosporins in community- and hospital-acquired pneumonia within the setting of internal medicine wards. The “universal pneumonia antibiotic strategy” is no longer acceptable for treating lung infections. Antimicrobial therapy should be individualized considering local antimicrobial resistance and epidemiology, the stage of the illness and potential host factors predisposing to a high risk for specific pathogens.
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Affiliation(s)
- Tommaso Lupia
- Department of Medical Sciences, Infectious Diseases, University of Turin, Turin, Italy
| | - Silvia Corcione
- Department of Medical Sciences, Infectious Diseases, University of Turin, Turin, Italy.,School of Medicine, Tufts University, Boston, MA, USA
| | - Simone Mornese Pinna
- Department of Medical Sciences, Infectious Diseases, University of Turin, Turin, Italy
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21
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Cillóniz C, Dominedò C, Ielpo A, Ferrer M, Gabarrús A, Battaglini D, Bermejo-Martin J, Meli A, García-Vidal C, Liapikou A, Singer M, Torres A. Risk and Prognostic Factors in Very Old Patients with Sepsis Secondary to Community-Acquired Pneumonia. J Clin Med 2019; 8:jcm8070961. [PMID: 31269766 PMCID: PMC6678833 DOI: 10.3390/jcm8070961] [Citation(s) in RCA: 18] [Impact Index Per Article: 3.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/14/2019] [Revised: 06/20/2019] [Accepted: 07/01/2019] [Indexed: 12/12/2022] Open
Abstract
Background: Little is known about risk and prognostic factors in very old patients developing sepsis secondary to community-acquired pneumonia (CAP). Methods: We conducted a retrospective observational study of data prospectively collected at the Hospital Clinic of Barcelona over a 13-year period. Consecutive patients hospitalized with CAP were included if they were very old (≥80 years) and divided into those with and without sepsis for comparison. Sepsis was diagnosed based on the Sepsis-3 criteria. The main clinical outcome was 30-day mortality. Results: Among the 4219 patients hospitalized with CAP during the study period, 1238 (29%) were very old. The prevalence of sepsis in this age group was 71%. Male sex, chronic renal disease, and diabetes mellitus were independent risk factors for sepsis, while antibiotic therapy before admission was independently associated with a lower risk of sepsis. Thirty-day and intensive care unit (ICU) mortality did not differ between patients with and without sepsis. In CAP-sepsis group, chronic renal disease and neurological disease were independent risk factors for 30-day mortality. Conclusion: In very old patients hospitalized with CAP, in-hospital and 1-year mortality rates were increased if they developed sepsis. Antibiotic therapy before hospital admission was associated with a lower risk of sepsis.
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Affiliation(s)
- Catia Cillóniz
- Department of Pneumology, Hospital Clinic of Barcelona, 08036 Barcelona, Spain.
- August Pi i Sunyer Biomedical Research Institute-IDIBAPS, University of Barcelona, 08036 Barcelona, Spain.
- Biomedical Research Networking Centres in Respiratory Diseases (Ciberes), 28029 Madrid, Spain.
| | - Cristina Dominedò
- Department of Anesthesiology and Intensive Care Medicine, Fondazione Policlinico Universitario A. Gemelli, Università Cattolica del Sacro Cuore, 00168 Rome, Italy
| | - Antonella Ielpo
- Departments of Medicine and Surgery, Respiratory Disease and Lung Function Unit, University of Parma, 43121 Parma, Italy
| | - Miquel Ferrer
- Department of Pneumology, Hospital Clinic of Barcelona, 08036 Barcelona, Spain
- August Pi i Sunyer Biomedical Research Institute-IDIBAPS, University of Barcelona, 08036 Barcelona, Spain
- Biomedical Research Networking Centres in Respiratory Diseases (Ciberes), 28029 Madrid, Spain
| | - Albert Gabarrús
- Department of Pneumology, Hospital Clinic of Barcelona, 08036 Barcelona, Spain
- August Pi i Sunyer Biomedical Research Institute-IDIBAPS, University of Barcelona, 08036 Barcelona, Spain
- Biomedical Research Networking Centres in Respiratory Diseases (Ciberes), 28029 Madrid, Spain
| | - Denise Battaglini
- Department of Surgical Sciences and Integrated Diagnostic, Policlinico San Martino, University of Genova, 16126 Genova, Italy
| | - Jesús Bermejo-Martin
- Group for Biomedical Research in Sepsis (Bio Sepsis), Hospital Clínico Universitario de Valladolid/IECSCYL, Av. Ramón y Cajal, 3, 47003 Valladolid, Spain
| | - Andrea Meli
- Department of Anesthesia and Intensive Care, University of Milan, 20122 Milan, Italy
| | - Carolina García-Vidal
- Infectious Diseases Department, Hospital Clinic of Barcelona, 08036 Barcelona, Spain
| | - Adamanthia Liapikou
- Respiratory Department, Sotiria Chest Diseases Hospital, Mesogion 152, 11527Athens, Greece
| | - Mervyn Singer
- Bloomsbury Institute of Intensive Care Medicine, Division of Medicine, University College London, Cruciform Building, Gower St, London WC1E 6BT, UK
| | - Antoni Torres
- Department of Pneumology, Hospital Clinic of Barcelona, 08036 Barcelona, Spain.
- August Pi i Sunyer Biomedical Research Institute-IDIBAPS, University of Barcelona, 08036 Barcelona, Spain.
- Biomedical Research Networking Centres in Respiratory Diseases (Ciberes), 28029 Madrid, Spain.
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22
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Esme M, Topeli A, Yavuz BB, Akova M. Infections in the Elderly Critically-Ill Patients. Front Med (Lausanne) 2019; 6:118. [PMID: 31275937 PMCID: PMC6593279 DOI: 10.3389/fmed.2019.00118] [Citation(s) in RCA: 33] [Impact Index Per Article: 6.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/26/2019] [Accepted: 05/13/2019] [Indexed: 12/12/2022] Open
Abstract
Infections are leading causes of morbidity and mortality in the advanced aged. Various factors including immunosenescens, comorbid chronic diseases, and alterations in normal physiological organ functions may modify the frequency and severity of infections in elderly patients. Normal body reactions to ensuing infection, such as increased body temperature, may be blunted in those patients causing difficulties in differential diagnosis between infection and other diseases. In severe infections the respiratory and urinary tracts are the most frequently involved systems which may be accompanied by severe sepsis. Bacteremia and sepsis are also associated with indwelling vascular catheters in the elderly who are admitted to the intensive care unit (ICU). Older patients are more vulnerable to the Clostridioides difficile infection, as well. Although the general management of infections in severely ill elderly patients is not different than in younger patients, meticulous care in fluid management and careful individualized optimization in antibiotic therapy, along with the other principals of antimicrobial stewardship are warranted in order to prevent increased mortality caused by infection. Organized team management when treating critically ill elderly patients in the ICU is essential and will reduce the morbidity and mortality due to infection in such patients.
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Affiliation(s)
- Mert Esme
- Section of Geriatric Medicine, Department of Medicine, Hacettepe University School of Medicine, Ankara, Turkey
| | - Arzu Topeli
- Section of Intensive Care, Department of Medicine, Hacettepe University School of Medicine, Ankara, Turkey
| | - Burcu Balam Yavuz
- Section of Geriatric Medicine, Department of Medicine, Hacettepe University School of Medicine, Ankara, Turkey
| | - Murat Akova
- Department of Infectious Diseases and Clinical Microbiology, Hacettepe University School of Medicine, Ankara, Turkey
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Grudzinska FS, Aldridge K, Hughes S, Nightingale P, Parekh D, Bangash M, Dancer R, Patel J, Sapey E, Thickett DR, Dosanjh DP. Early identification of severe community-acquired pneumonia: a retrospective observational study. BMJ Open Respir Res 2019; 6:e000438. [PMID: 31258921 PMCID: PMC6561385 DOI: 10.1136/bmjresp-2019-000438] [Citation(s) in RCA: 15] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/06/2019] [Revised: 05/16/2019] [Accepted: 05/16/2019] [Indexed: 01/27/2023] Open
Abstract
Background Community-acquired pneumonia (CAP) is a leading cause of sepsis worldwide. Prompt identification of those at high risk of adverse outcomes improves survival by enabling early escalation of care. There are multiple severity assessment tools recommended for risk stratification; however, there is no consensus as to which tool should be used for those with CAP. We sought to assess whether pneumonia-specific, generic sepsis or early warning scores were most accurate at predicting adverse outcomes. Methods We performed a retrospective analysis of all cases of CAP admitted to a large, adult tertiary hospital in the UK between October 2014 and January 2016. All cases of CAP were eligible for inclusion and were reviewed by a senior respiratory physician to confirm the diagnosis. The association between the CURB65, Lac-CURB-65, quick Sequential (Sepsis-related) Organ Failure Assessment tool (qSOFA) score and National Early Warning Score (NEWS) at the time of admission and outcome measures including intensive care admission, length of hospital stay, in-hospital, 30-day, 90-day and 365-day all-cause mortality was assessed. Results 1545 cases were included with 30-day mortality of 19%. Increasing score was significantly associated with increased risk of poor outcomes for all four tools. Overall accuracy assessed by receiver operating characteristic curve analysis was significantly greater for the CURB65 and Lac-CURB-65 scores than qSOFA. At admission, a CURB65 ≥2, Lac-CURB-65 ≥moderate, qSOFA ≥2 and NEWS ≥medium identified 85.0%, 96.4%, 40.3% and 79.0% of those who died within 30 days, respectively. A Lac-CURB-65 ≥moderate had the highest negative predictive value: 95.6%. Conclusion All four scoring systems can stratify according to increasing risk in CAP; however, when a confident diagnosis of pneumonia can be made, these data support the use of pneumonia-specific tools rather than generic sepsis or early warning scores.
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Affiliation(s)
- Frances S Grudzinska
- Institute of Inflammation and Ageing, University of Birmingham College of Medical and Dental Sciences, Birmingham, UK
| | - Kerrie Aldridge
- Institute of Inflammation and Ageing, University of Birmingham College of Medical and Dental Sciences, Birmingham, UK
| | - Sian Hughes
- Queen Elizabeth Hospital Birmingham, Birmingham, UK
| | | | - Dhruv Parekh
- Institute of Inflammation and Ageing, University of Birmingham, Birmingham, UK
| | | | - Rachel Dancer
- Institute of Inflammation and Ageing, University of Birmingham, Birmingham, UK
| | - Jaimin Patel
- Institute of Inflammation and Ageing, University of Birmingham College of Medical and Dental Sciences, Birmingham, UK
| | - Elizabeth Sapey
- Institute of Inflammation and Ageing, University of Birmingham College of Medical and Dental Sciences, Birmingham, UK
| | - David R Thickett
- Institute of Inflammation and Ageing, University of Birmingham College of Medical and Dental Sciences, Birmingham, UK
| | - Davinder P Dosanjh
- Institute of Inflammation and Ageing, University of Birmingham College of Medical and Dental Sciences, Birmingham, UK
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