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Gray K, Engoren M. Outcomes of Sepsis in Patients With and Without HIV Infection: A Retrospective Study. Am J Crit Care 2023; 32:288-293. [PMID: 37391374 DOI: 10.4037/ajcc2023446] [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: 07/02/2023]
Abstract
BACKGROUND HIV infection is associated with increased infections. OBJECTIVES To (1) compare patients with sepsis with and without HIV, (2) assess whether HIV is associated with mortality in sepsis, and (3) identify factors associated with mortality in patients with HIV and sepsis. METHODS Patients who met Sepsis-3 criteria were studied. HIV infection was defined as administration of highly active antiretroviral therapy, a diagnosis of AIDS encoded by the International Classification of Diseases, or a positive HIV blood test result. Propensity scores were used to match patients with HIV to similar patients without HIV, and mortality was compared with χ2 tests. Logistic regression was used to determine factors independently associated with mortality. RESULTS Sepsis developed in 34 673 patients without HIV and 326 patients with HIV. Of these, 323 (99%) patients with HIV were matched to similar patients without HIV. The 30-60- and 90-day mortality was 11%, 15%, and 17%, respectively, in patients with sepsis and HIV, which was similar to the 11% (P > .99), 15% (P > .99), and 16% (P = .83) in patients without HIV. Logistic regression to adjust for confounders showed that obesity (odds ratio, 0.12; 95% CI, 0.03-0.46; P = .002) and high total protein on admission (odds ratio, 0.71; 95% CI, 0.56-0.91; P = .007) were associated with lower mortality. Mechanical ventilation at sepsis onset, renal replacement therapy, positive blood culture, and platelet transfusion were associated with increased mortality. CONCLUSIONS HIV infection was not associated with increased mortality in patients with sepsis.
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Affiliation(s)
- Kevin Gray
- Kevin Gray is a resident physician, Department of Anesthesiology, The Ohio State University, Columbus, Ohio
| | - Milo Engoren
- Milo Engoren is a clinical professor, Department of Anesthesiology, University of Michigan, Ann Arbor, Michigan
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2
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Hao J, Liu J, Pu L, Li C, Zhang M, Tan J, Wang H, Yin N, Sun Y, Liu Y, Guo H, Li A. High-Flow Nasal Cannula Oxygen Therapy versus Non-Invasive Ventilation in AIDS Patients with Acute Respiratory Failure: A Randomized Controlled Trial. J Clin Med 2023; 12:jcm12041679. [PMID: 36836213 PMCID: PMC9967185 DOI: 10.3390/jcm12041679] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/26/2023] [Revised: 02/12/2023] [Accepted: 02/15/2023] [Indexed: 02/22/2023] Open
Abstract
BACKGROUND Acute respiratory failure (ARF) remains the most common diagnosis for intensive care unit (ICU) admission in acquired immunodeficiency syndrome (AIDS) patients. METHODS We conducted a single-center, prospective, open-labeled, randomized controlled trial at the ICU, Beijing Ditan Hospital, China. AIDS patients with ARF were enrolled and randomly assigned in a 1:1 ratio to receive either high-flow nasal cannula (HFNC) oxygen therapy or non-invasive ventilation (NIV) immediately after randomization. The primary outcome was the need for endotracheal intubation on day 28. RESULTS 120 AIDS patients were enrolled and 56 patients in the HFNC group and 57 patients in the NIV group after secondary exclusion. Pneumocystis pneumonia (PCP) was the main etiology for ARF (94.7%). The intubation rates on day 28 were similar to HFNC and NIV (28.6% vs. 35.1%, p = 0.457). Kaplan-Meier curves showed no statistical difference in cumulative intubation rates between the two groups (log-rank test 0.401, p = 0.527). The number of airway care interventions in the HFNC group was fewer than in the NIV group (6 (5-7) vs. 8 (6-9), p < 0.001). The rate of intolerance in the HFNC group was lower than in the NIV group (1.8% vs. 14.0%, p = 0.032). The VAS scores of device discomfort in the HFNC group were lower than that in the NIV group at 2 h (4 (4-5) vs. 5 (4-7), p = 0.042) and at 24 h (4 (3-4) vs. 4 (3-6), p = 0.036). The respiratory rate in the HFNC group was lower than that in the NIV group at 24 h (25 ± 4/min vs. 27 ± 5/min, p = 0.041). CONCLUSIONS Among AIDS patients with ARF, there was no statistical significance of the intubation rate between HFNC and NIV. HFNC had better tolerance and device comfort, fewer airway care interventions, and a lower respiratory rate than NIV. CLINICAL TRIAL NUMBER Chictr.org (ChiCTR1900022241).
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Affiliation(s)
| | | | | | | | | | | | | | | | | | | | | | - Ang Li
- Correspondence: (J.L.); (A.L.)
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3
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Bakewell N, Kanitkar T, Dissanayake O, Symonds M, Rimmer S, Adlakha A, Lipman MC, Bhagani S, Agarwal B, Miller RF, Sabin CA. Estimating the risk of mortality attributable to recent late HIV diagnosis following admission to the intensive care unit: A single-centre observational cohort study. HIV Med 2022; 23:1163-1172. [PMID: 36404292 PMCID: PMC10099479 DOI: 10.1111/hiv.13436] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/29/2022] [Accepted: 10/18/2022] [Indexed: 11/22/2022]
Abstract
OBJECTIVES Despite improvements in survival of people with HIV admitted to the intensive care unit (ICU), late diagnosis continues to contribute to in-ICU mortality. We quantify the population attributable fraction (PAF) of in-ICU mortality for recent late diagnosis among people with HIV admitted to a London ICU. METHODS Index ICU admissions among people with HIV were considered from 2000 to 2019. Recent late diagnosis was a CD4 T-cell count < 350 cells/μL and/or AIDS-defining illness at/within 6 months prior to ICU admission. Univariate comparisons were conducted using Wilcoxon rank-sum/Cochran-Armitage/χ2 /Fisher's exact tests. We used Poisson regression (robust standard errors) to estimate unadjusted/adjusted (age, sex, calendar year of ICU admission) risk ratios (RRs) and regression standardization to estimate the PAF. RESULTS In all, 207 index admissions were included [median (interquartile range) age: 46 (38-53) years; 72% male]; 58 (28%) had a recent late diagnosis, all of whom had a CD4 count < 350 cells/μL, and 95% had advanced HIV (CD4 count < 200 cells/μL and/or AIDS at admission) as compared with 57% of those who did not have a recent late diagnosis (p < 0.001). In-ICU mortality was 27% (55/207); 38% versus 22% in those who did and did not have a recent late diagnosis, respectively (p = 0.02). Recent late diagnosis was independently associated with increased in-ICU mortality risk (adjusted RR = 1.75) (95% confidence interval: 1.05-2.91), with 17.08% (16.04-18.12%) of deaths being attributable to this. CONCLUSIONS There is a need for improved public health efforts focused on HIV testing and reporting of late diagnosis to better understand potentially missed opportunities for earlier HIV diagnosis in healthcare services.
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Affiliation(s)
- Nicholas Bakewell
- Institute for Global Health, University College London, London, UK.,National Institute for Health Research (NIHR) Health Protection Research Unit (HPRU) in Blood Borne and Sexually Transmitted Infections, University College London, London, UK
| | - Tanmay Kanitkar
- Intensive Care Unit, Royal Free Hospital, Royal Free London NHS Foundation Trust, London, UK.,HIV services, Royal Free Hospital, Royal Free London NHS Foundation Trust, London, UK
| | - Oshani Dissanayake
- HIV services, Royal Free Hospital, Royal Free London NHS Foundation Trust, London, UK
| | - Maggie Symonds
- HIV services, Royal Free Hospital, Royal Free London NHS Foundation Trust, London, UK
| | - Stephanie Rimmer
- Intensive Care Unit, Royal Free Hospital, Royal Free London NHS Foundation Trust, London, UK
| | - Amit Adlakha
- Intensive Care Unit, Royal Free Hospital, Royal Free London NHS Foundation Trust, London, UK
| | - Marc C Lipman
- HIV services, Royal Free Hospital, Royal Free London NHS Foundation Trust, London, UK.,UCL Respiratory, Division of Medicine, University College London, London, UK.,Respiratory Medicine, Royal Free Hospital, Royal Free London NHS Foundation Trust, London, UK
| | - Sanjay Bhagani
- HIV services, Royal Free Hospital, Royal Free London NHS Foundation Trust, London, UK
| | - Banwari Agarwal
- Intensive Care Unit, Royal Free Hospital, Royal Free London NHS Foundation Trust, London, UK
| | - Robert F Miller
- HIV services, Royal Free Hospital, Royal Free London NHS Foundation Trust, London, UK.,Centre for Clinical Research in Infection and Sexual Health, Institute for Global Health, University College London, London, UK
| | - Caroline A Sabin
- Institute for Global Health, University College London, London, UK.,National Institute for Health Research (NIHR) Health Protection Research Unit (HPRU) in Blood Borne and Sexually Transmitted Infections, University College London, London, UK
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Tatar G, Çermik T, Alçın G, Erol Fenercioğlu Ö, İnci A, Beyhan E, Ergül N. Contribución de las imágenes PET/TC con 18F-FDG en el diagnóstico y manejo de pacientes VIH positivos. Rev Esp Med Nucl Imagen Mol 2022. [DOI: 10.1016/j.remn.2021.10.001] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
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5
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Lacerda Pereira S, Branco E, Faustino AS, Figueiredo P, Sarmento A, Santos L. Extra Corporeal Membrane Oxygenation in the Treatment of Human Immunodeficiency Virus-Related P. jirovecii Pneumonia. Infect Dis Rep 2021; 13:1009-1017. [PMID: 34940402 PMCID: PMC8701217 DOI: 10.3390/idr13040092] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 10/28/2021] [Revised: 11/26/2021] [Accepted: 11/30/2021] [Indexed: 11/23/2022] Open
Abstract
Despite the undeniable complexity one may encounter while managing critically ill patients with human immunodeficiency virus infection (HIV), intensive care unit-related mortality has declined in recent years, not only because of more efficacious antiretroviral therapy (ART) but also due to the advances in critical support. However, the use of extracorporeal membrane oxygenation (ECMO) in these patients remains controversial. We report four cases of HIV-infected patients with Pneumocystis jirovecii pneumonia (PJP) and acute respiratory distress syndrome (ARDS) treated with ECMO support and discuss its indications and possible role in the prevention of barotrauma and ventilator- induced lung injury (VILI). The eventually favorable clinical course of the patients that we present suggests that although immune status is an important aspect in the decision to initiate ECMO support, this technology can provide real benefit in some patients with severe HIV-related refractory ARDS.
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Tatar G, Çermik TF, Alçın G, Erol Fenercioglu O, İnci A, Beyhan E, Ergül N. Contribution of 18F-FDG PET/CT imaging in the diagnosis and management of HIV-positive patients. Rev Esp Med Nucl Imagen Mol 2021; 41:275-283. [PMID: 34794914 DOI: 10.1016/j.remnie.2021.10.005] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/06/2021] [Accepted: 10/06/2021] [Indexed: 12/17/2022]
Abstract
INTRODUCTION AND OBJECTIVES The human immunodeficiency virus [HIV] is a lentevirus, primarily infects certain cells of the immune system, thereby greatly weakens the body's own defenses against diseases. This study was aimed to explore the value and significance of 18F-FDG PET/CT in the assessment of patients with HIV infection and to examine the presence of quantitative alterations in 18F-FDG uptake among patients with HIV-related infections or malignant diseases in HIV-positive patients. PATIENTS AND METHODS Forty patients with HIV infection were scanned on PET/CT system. The data were registered according to immune status, antiretroviral therapy, and definitive diagnosis. All pathologic lesions and disease related areas were described, 18F-FDG uptake patterns were evaluated. Semiquantitative analysis of 18F-FDG uptake was performed and SUVmax were calculated. RESULTS Twenty-eight patients [70%] were diagnosed with HIV-related infection or malignant diseases. The sensitivity of PET/CT was shown to be 100% and the specificity 92% for concomitant diseases requiring additional treatment to antiretroviral therapy. The SUVmax and CD4 counts were not statistically different between HIV-related reactive lymphadenopathy, HIV-related malignancy, and HIV-related infections. CONCLUSIONS The pattern of distribution of nodal/extranodal uptake on 18F-FDG PET/CT may facilitate distinction between HIV-related generalized lymphadenopathies, HIV-related opportunistic infections, and malignancies. In this context, 18F-FDG PET/CT should be preferred for routine use in the management of patients infected with HIV.
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Affiliation(s)
- Gamze Tatar
- University of Health Sciences, Istanbul Bagcılar Training and Research Hospital, Department of Nuclear Medicine, Istanbul, Turkey.
| | - Tevfik Fikret Çermik
- University of Health Sciences, Istanbul Training and Research Hospital, Department of Nuclear Medicine, Istanbul, Turkey
| | - Göksel Alçın
- University of Health Sciences, Istanbul Training and Research Hospital, Department of Nuclear Medicine, Istanbul, Turkey
| | - Ozge Erol Fenercioglu
- University of Health Sciences, Istanbul Training and Research Hospital, Department of Nuclear Medicine, Istanbul, Turkey
| | - Ayşe İnci
- University of Health Sciences, Istanbul Training and Research Hospital, Department of Infectious Disease, Istanbul, Turkey
| | - Ediz Beyhan
- University of Health Sciences, Istanbul Training and Research Hospital, Department of Nuclear Medicine, Istanbul, Turkey
| | - Nurhan Ergül
- University of Health Sciences, Istanbul Training and Research Hospital, Department of Nuclear Medicine, Istanbul, Turkey
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Medical Intensive Care Unit Admission Among Patients With and Without HIV, Hepatitis C Virus, and Alcohol-Related Diagnoses in the United States: A National, Retrospective Cohort Study, 1997-2014. J Acquir Immune Defic Syndr 2019; 80:145-151. [PMID: 30422912 DOI: 10.1097/qai.0000000000001904] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/23/2022]
Abstract
BACKGROUND HIV, hepatitis C virus (HCV), and alcohol-related diagnoses (ARD) independently contribute increased risk of all-cause hospitalization. We sought to determine annual medical intensive care unit (MICU) admission rates and relative risk of MICU admission between 1997 and 2014 among people with and without HIV, HCV, and ARD, using data from the largest HIV and HCV care provider in the United States. SETTING Veterans Health Administration. METHODS Annual MICU admission rates were calculated among 155,550 patients in the Veterans Aging Cohort Study by HIV, HCV, and ARD status. Adjusted rate ratios and 95% confidence intervals (CIs) were estimated with Poisson regression. Significance of trends in age-adjusted admission rates were tested with generalized linear regression. Models were stratified by calendar period to identify shifts in MICU admission risk over time. RESULTS Compared to HIV-/HCV-/ARD- patients, relative risk of MICU admission decreased among HIV-mono-infected patients from 61% (95% CI: 1.56 to 1.65) in 1997-2009% to 21% (95% CI: 1.16 to 1.27) in 2010-2014, increased among HCV-mono-infected patients from 22% (95% CI: 1.16 to 1.29) in 1997-2009% to 54% (95% CI: 1.43 to 1.67) in 2010-2014, and remained consistent among patients with ARD only at 46% (95% CI: 1.42 to 1.50). MICU admission rates decreased by 48% among HCV-uninfected patients (P-trend <0.0001) but did not change among HCV+ patients (P-trend = 0.34). CONCLUSION HCV infection and ARD remain key contributors to MICU admission risk. The impact of each of these conditions could be mitigated with combination of treatment of HIV, HCV, and interventions targeting unhealthy alcohol use.
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Affiliation(s)
- Sushma K Cribbs
- Division of Pulmonary, Allergy, Critical Care & Sleep Medicine, Emory University School of Medicine, Atlanta, Georgia
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Collett LW, Simpson T, Camporota L, Meadows CI, Ioannou N, Glover G, Kulasegaram R, Barrett NA. The use of extracorporeal membrane oxygenation in HIV-positive patients with severe respiratory failure: a retrospective observational case series. Int J STD AIDS 2018; 30:316-322. [PMID: 30421647 DOI: 10.1177/0956462418805606] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/17/2022]
Abstract
The objective is to describe the outcomes of patients with human immunodeficiency virus (HIV) infection who received extracorporeal membrane oxygenation (ECMO) for severe respiratory failure (SRF). The design and setting was a single centre retrospective observational case series, from January 2012 to June 2017, at a tertiary university hospital and regional referral centre for ECMO in the United Kingdom. The participants were all patients referred with SRF and HIV infection. The main outcome measure was patient 90-day survival. Twenty-four patients were referred, of whom nine received ECMO. Six out of nine (67%) of patients were alive at 90 days. Median duration of ECMO was 18 days. There were no identified differences between survivors and non-survivors. ECMO can be used successfully in selected patients with HIV and SRF, including those with poor HIV control and high illness severity. HIV status alone should not exclude patients from treatment with extracorporeal therapy.
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Affiliation(s)
- Luke W Collett
- 1 Intensive Care Unit, Royal North Shore Hospital, St Leonards, Australia
| | - Thomas Simpson
- 2 Department of Respiratory Medicine, Guy's and St Thomas' NHS Foundation Trust, London, UK
| | - Luigi Camporota
- 3 Department of Critical Care, Guy's and St Thomas' NHS Foundation Trust, London, UK
| | - Chris Is Meadows
- 3 Department of Critical Care, Guy's and St Thomas' NHS Foundation Trust, London, UK
| | - Nicholas Ioannou
- 3 Department of Critical Care, Guy's and St Thomas' NHS Foundation Trust, London, UK
| | - Guy Glover
- 3 Department of Critical Care, Guy's and St Thomas' NHS Foundation Trust, London, UK
| | - Ranjababu Kulasegaram
- 4 Department of HIV/GU Medicine, Guy's and St Thomas' NHS Foundation Trust, London, UK
| | - Nicholas A Barrett
- 3 Department of Critical Care, Guy's and St Thomas' NHS Foundation Trust, London, UK
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10
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Cillóniz C, Ielpo A, Torres A. Treating HIV-Positive/Non-AIDS Patients for Community-Acquired Pneumonia with ART. Curr Infect Dis Rep 2018; 20:46. [PMID: 30203191 DOI: 10.1007/s11908-018-0652-7] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/17/2023]
Abstract
PURPOSE OF REVIEW This article reviews the most recent publications on community-acquired pneumonia (CAP) in the HIV-infected population on antiretroviral therapy (ART), focusing on epidemiology, prognostic factors, etiology, and antimicrobial therapy. The data discussed here were mainly obtained from a non-systematic review using Medline and references from relevant articles. RECENT FINDINGS CAP remains a major cause of morbidity and mortality among HIV-infected patients and incurs high health costs despite the introduction of ART. HIV-infected patients are generally known to be more susceptible to bacterial pneumonia. Streptococcus pneumoniae is the most frequently reported pathogen in HIV-infected patients on ART, who present a higher rate of bacteremia than non-HIV-infected patients. Several studies have also examined microbial etiology and prognostic factors of CAP in HIV-infected patients on ART. Despite the high rate of bacterial pneumonia in these patients, mortality rates are not higher than in patients without HIV infection.
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Affiliation(s)
- Catia Cillóniz
- Department of Pulmonary Medicine, Institut Clinic del Tórax, Hospital Clinic of Barcelona - Institut d'Investigacions Biomèdiques August Pi i Sunyer (IDIBAPS), University of Barcelona (UB) - SGR 911- Ciber de Enfermedades Respiratorias (Ciberes), C/ Villarroel 170, 08036, Barcelona, Spain.
| | - Antonella Ielpo
- Department of Medicine and Surgery, Respiratory Disease, and Lung Function Unit, University of Parma, Parma, Italy
| | - Antoni Torres
- Department of Pulmonary Medicine, Institut Clinic del Tórax, Hospital Clinic of Barcelona - Institut d'Investigacions Biomèdiques August Pi i Sunyer (IDIBAPS), University of Barcelona (UB) - SGR 911- Ciber de Enfermedades Respiratorias (Ciberes), C/ Villarroel 170, 08036, Barcelona, Spain.
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Souza PN, Miranda EJPD, Cruz R, Forte DN. Palliative care for patients with HIV/AIDS admitted to intensive care units. Rev Bras Ter Intensiva 2017; 28:301-309. [PMID: 27737420 PMCID: PMC5051189 DOI: 10.5935/0103-507x.20160054] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/13/2016] [Accepted: 05/07/2016] [Indexed: 11/20/2022] Open
Abstract
Objective To describe the characteristics of patients with HIV/AIDS and to compare the
therapeutic interventions and end-of-life care before and after evaluation
by the palliative care team. Methods This retrospective cohort study included all patients with HIV/AIDS admitted
to the intensive care unit of the Instituto de Infectologia
Emílio Ribas who were evaluated by a palliative care
team between January 2006 and December 2012. Results Of the 109 patients evaluated, 89% acquired opportunistic infections, 70% had
CD4 counts lower than 100 cells/mm3, and only 19% adhered to
treatment. The overall mortality rate was 88%. Among patients predicted with
a terminally ill (68%), the use of highly active antiretroviral therapy
decreased from 50.0% to 23.1% (p = 0.02), the use of antibiotics decreased
from 100% to 63.6% (p < 0.001), the use of vasoactive drugs decreased
from 62.1% to 37.8% (p = 0.009), the use of renal replacement therapy
decreased from 34.8% to 23.0% (p < 0.0001), and the number of blood
product transfusions decreased from 74.2% to 19.7% (p < 0.0001). Meetings
with the family were held in 48 cases, and 23% of the terminally ill
patients were discharged from the intensive care unit. Conclusion Palliative care was required in patients with severe illnesses and high
mortality. The number of potentially inappropriate interventions in
terminally ill patients monitored by the palliative care team significantly
decreased, and 26% of the patients were discharged from the intensive care
unit.
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Affiliation(s)
| | | | - Ronaldo Cruz
- Instituto de Infectologia Emílio Ribas, São Paulo, SP, Brasil
| | - Daniel Neves Forte
- Equipe de Cuidados Intensivos, Hospital Sírio-Libanês, São Paulo, SP, Brazil
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Luna LDS, Soares DDS, Junior GBDS, Cavalcante MG, Malveira LRC, Meneses GC, Pereira EDB, Daher EDF. CLINICAL CHARACTERISTICS, OUTCOMES AND RISK FACTORS FOR DEATH AMONG CRITICALLY ILL PATIENTS WITH HIV-RELATED ACUTE KIDNEY INJURY. Rev Inst Med Trop Sao Paulo 2017; 58:52. [PMID: 27410912 PMCID: PMC4964321 DOI: 10.1590/s1678-9946201658052] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/25/2015] [Accepted: 02/15/2016] [Indexed: 12/23/2022] Open
Abstract
Background: The aim of this study is to describe clinical characteristics, outcomes and risk factors for death among patients with HIV-related acute kidney injury (AKI) admitted to an intensive care unit (ICU). Methods: A retrospective study was conducted with HIV-infected AKI patients admitted to the ICU of an infectious diseases hospital in Fortaleza, Brazil. All the patients with confirmed diagnosis of HIV and AKI admitted from January 2004 to December 2011 were included. A comparison between survivors and non-survivors was performed. Risk factors for death were investigated. Results: Among 256 AKI patients admitted to the ICU in the study period, 73 were identified as HIV-infected, with a predominance of male patients (83.6%), and the mean age was 41.2 ± 10.4 years. Non-survivor patients presented higher APACHE II scores (61.4 ± 19 vs. 38.6 ± 18, p = 0.004), used more vasoconstrictors (70.9 vs. 37.5%, p = 0.02) and needed more mechanical ventilation - MV (81.1 vs. 35.3%, p = 0.001). There were 55 deaths (75.3%), most of them (53.4%) due to septic shock. Independent risk factors for mortality were septic shock (OR = 14.2, 95% CI = 2.0-96.9, p = 0.007) and respiratory insufficiency with need of MV (OR = 27.6, 95% CI = 5.0-153.0, p < 0.001). Conclusion: Non-survivor HIV-infected patients with AKI admitted to the ICU presented higher severity APACHE II scores, more respiratory damage and hemodynamic impairment than survivors. Septic shock and respiratory insufficiency were independently associated to death.
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Affiliation(s)
- Leonardo Duarte Sobreira Luna
- Federal University of Ceará, School of Medicine, Division of Nephrology, Department of Internal Medicine. Fortaleza, CE, Brazil. E-mails: ; ; ;
| | - Douglas de Sousa Soares
- Federal University of Ceará, School of Medicine, Division of Nephrology, Department of Internal Medicine. Fortaleza, CE, Brazil. E-mails: ; ; ;
| | | | - Malena Gadelha Cavalcante
- Federal University of Ceará, School of Medicine, Medical Sciences and Pharmacology Graduate Program. Fortaleza, CE, Brazil. E-mails: ;
| | - Lara Raissa Cavalcante Malveira
- Federal University of Ceará, School of Medicine, Division of Nephrology, Department of Internal Medicine. Fortaleza, CE, Brazil. E-mails: ; ; ;
| | - Gdayllon Cavalcante Meneses
- Federal University of Ceará, School of Medicine, Medical Sciences and Pharmacology Graduate Program. Fortaleza, CE, Brazil. E-mails: ;
| | - Eanes Delgado Barros Pereira
- University of Fortaleza, School of Medicine, Public Health Graduate Program. Fortaleza, CE, Brazil. E-mails: ; ;
| | - Elizabeth De Francesco Daher
- Federal University of Ceará, School of Medicine, Division of Nephrology, Department of Internal Medicine. Fortaleza, CE, Brazil. E-mails: ; ; ; .,University of Fortaleza, School of Medicine, Public Health Graduate Program. Fortaleza, CE, Brazil. E-mails: ; ;
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Epidemiology and Outcomes in Critically Ill Patients with Human Immunodeficiency Virus Infection in the Era of Combination Antiretroviral Therapy. CANADIAN JOURNAL OF INFECTIOUS DISEASES & MEDICAL MICROBIOLOGY 2017; 2017:7868954. [PMID: 28348607 PMCID: PMC5350334 DOI: 10.1155/2017/7868954] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 12/03/2016] [Revised: 01/30/2017] [Accepted: 02/08/2017] [Indexed: 11/18/2022]
Abstract
Purpose. The impact of critical illness on survival of HIV-infected patients in the era of antiretroviral therapy remains uncertain. We describe the epidemiology of critical illness in this population and identify predictors of mortality. Materials and Methods. Retrospective cohort of HIV-infected patients was admitted to intensive care from 2002 to 2014. Patient sociodemographics, comorbidities, case-mix, illness severity, and 30-day mortality were captured. Multivariable Cox regression analyses were performed to identify predictors of mortality. Results. Of 282 patients, mean age was 44 years (SD 10) and 169 (59%) were male. Median (IQR) CD4 count and plasma viral load (PVL) were 125 cells/mm3 (30–300) and 28,000 copies/mL (110–270,000). Fifty-five (20%) patients died within 30 days. Factors independently associated with mortality included APACHE II score (adjusted hazard ratio [aHR] 1.12; 95% CI 1.08–1.16; p < 0.001), cirrhosis (aHR 2.30; 95% CI 1.12–4.73; p = 0.024), coronary artery disease (aHR 6.98; 95% CI 2.20–22.13; p = 0.001), and duration of HIV infection (aHR 1.07 per year; 95% CI 1.02–1.13; p = 0.01). CD4 count and PVL were not associated with mortality. Conclusions. Mortality from an episode of critical illness in HIV-infected patients remains high but appears to be driven by acute illness severity and HIV-unrelated comorbid disease rather than degree of immune suppression.
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14
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Impact of HIV infection on the presentation, outcome and host response in patients admitted to the intensive care unit with sepsis; a case control study. CRITICAL CARE : THE OFFICIAL JOURNAL OF THE CRITICAL CARE FORUM 2016; 20:322. [PMID: 27719675 PMCID: PMC5056483 DOI: 10.1186/s13054-016-1469-0] [Citation(s) in RCA: 16] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 02/02/2016] [Accepted: 08/26/2016] [Indexed: 01/05/2023]
Abstract
Background Sepsis is a prominent reason for intensive care unit (ICU) admission in patients with HIV. We aimed to investigate the impact of HIV infection on presentation, outcome and host response in sepsis. Methods We performed a prospective observational study in the ICUs of two tertiary hospitals. For the current analyses, we selected all patients diagnosed with sepsis within 24 hours after admission. Host response biomarkers were analyzed in a more homogeneous subgroup of admissions involving HIV-positive patients with pneumosepsis, matched to admissions of HIV-negative patients for age, gender and race. Matching was done by nearest neighbor matching with R package “MatchIt”. Results We analyzed 2251 sepsis admissions including 41 (1.8 %) with HIV infection (32 unique patients). HIV-positive patients were younger and admission of HIV-positive patients more frequently involved pneumonia (73.2 % versus 48.8 % of admissions of HIV-negative patients, P = 0.004). Disease severity and mortality up to one year after admission did not differ according to HIV status. Furthermore, sequential plasma levels of host response biomarkers, providing insight into activation of the cytokine network, the vascular endothelium and the coagulation system, were largely similar in matched admissions of HIV-positive and HIV-negative patients with pneumosepsis. Conclusions Sepsis is more often caused by pneumonia in HIV-positive patients. HIV infection has little impact on the disease severity, mortality and host response during sepsis. Electronic supplementary material The online version of this article (doi:10.1186/s13054-016-1469-0) contains supplementary material, which is available to authorized users.
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Clinical Characteristics and Short-Term Outcomes of HIV Patients Admitted to an African Intensive Care Unit. Crit Care Res Pract 2016; 2016:2610873. [PMID: 27800179 PMCID: PMC5075298 DOI: 10.1155/2016/2610873] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/25/2016] [Revised: 08/20/2016] [Accepted: 08/25/2016] [Indexed: 12/04/2022] Open
Abstract
Purpose. In high-income countries, improved survival has been documented among intensive care unit (ICU) patients infected with human immune deficiency virus (HIV). There are no data from low-income country ICUs. We sought to identify clinical characteristics and survival outcomes among HIV patients in a low-income country ICU. Materials and Methods. A retrospective cohort study of HIV infected patients admitted to a university teaching hospital ICU in Uganda. Medical records were reviewed. Primary outcome was survival to hospital discharge. Statistical significance was predetermined in reference to P < 0.05. Results. There were 101 HIV patients. Average length of ICU stay was 4 days and ICU mortality was 57%. Mortality in non-HIV patients was 28%. Commonest admission diagnoses were Acute Respiratory Distress Syndrome (ARDS) (58.4%), multiorgan failure (20.8%), and sepsis (20.8%). The mean Acute Physiologic and Chronic Health Evaluation (APACHE II) score was 24. At multivariate analysis, APACHE II (OR 1.24 (95% CI: 1.1–1.4, P = 0.01)), mechanical ventilation (OR 1.14 (95% CI: 0.09–0.76, P = 0.01)), and ARDS (OR 4.5 (95% CI: 1.07–16.7, P = 0.04)) had a statistically significant association with mortality. Conclusion. ICU mortality of HIV patients is higher than in higher income settings and the non-HIV population. ARDS, APACHE II, and need for mechanical ventilation are significantly associated with mortality.
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Weng L, Huang X, Chen L, Feng LQ, Jiang W, Hu XY, Peng JM, Wang CY, Zhan QY, Du B. Prognostic factors for severe Pneumocystis jiroveci pneumonia of non-HIV patients in intensive care unit: a bicentric retrospective study. BMC Infect Dis 2016; 16:528. [PMID: 27686235 PMCID: PMC5041573 DOI: 10.1186/s12879-016-1855-x] [Citation(s) in RCA: 22] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/21/2016] [Accepted: 09/20/2016] [Indexed: 11/24/2022] Open
Abstract
BACKGROUND Pneumocystis jiroveci pneumonia (PJP) in non-HIV patients is still a challenge for intensivists. The aim of our study was to evaluate mortality predictors of PJP patients requiring Intensive care unit (ICU) admission. METHODS Retrospectively review medical records of patients with diagnosis of PJP admitted to four ICUs of two academic medical centers from October 2012 to October 2015. RESULTS Eighty-two patients were enrolled in the study. Overall hospital mortality was 75.6 %. Compared with survivors, the non-survivors had older age (55 ± 16 vs. 45 ± 17, p = 0.014), higher APACHE II score (20 ± 5 vs. 17 ± 5, p = 0.01), lower white blood cell count (7.68 ± 3.44 vs. 10.48 ± 4.62, p = 0.005), less fever (80.6%vs. 100 %, p = 0.033), more hypotension (58.1 % vs. 20 %, p = 0.003), more pneumomediastinum (29 % vs. 5 %, p = 0.027). Logistic regression analysis demonstrated that age [odds ratio (OR)1.051; 95 % CI 1.007-1.097; p = 0.022], white blood cell count [OR 0.802; 95 % CI 0.670-0.960; p = 0.016], and pneumomediastinum [OR 16.514; 95 % CI 1.330-205.027; p = 0.029] were independently associated with hospital mortality. CONCLUSIONS Mortality rate for non-HIV PJP patients requiring ICU admission was still high. Poor prognostic factors included age, white blood cell count and pneumomediastinum.
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Affiliation(s)
- Li Weng
- Medical ICU, Peking Union Medical College Hospital, Peking Union Medical College and Chinese Academy of Medical Sciences, 1 Shuaifuyuan, Dongcheng district, Beijing, 100730 China
| | - Xu Huang
- Department of Respiratory and Critical Care Medicine, China-Japan Friendship Hospital, 2 Yinghua Dongjie, Hepingli, Beijing, 100029 China
| | - Lie Chen
- Department of General Internal Medicine, Shijingshan hospital, Capital Medical University, 24 Shijingshan street, Shijingshan district, Beijing, 100043 China
| | - Li-Qin Feng
- Intensive Care Unit, Fifth Hospital of Shi Jia Zhuang, 42 Tanan street, Yuhua district, Shijiazhuang, 050021 China
| | - Wei Jiang
- Medical ICU, Peking Union Medical College Hospital, Peking Union Medical College and Chinese Academy of Medical Sciences, 1 Shuaifuyuan, Dongcheng district, Beijing, 100730 China
| | - Xiao-Yun Hu
- Medical ICU, Peking Union Medical College Hospital, Peking Union Medical College and Chinese Academy of Medical Sciences, 1 Shuaifuyuan, Dongcheng district, Beijing, 100730 China
| | - Jin-Min Peng
- Medical ICU, Peking Union Medical College Hospital, Peking Union Medical College and Chinese Academy of Medical Sciences, 1 Shuaifuyuan, Dongcheng district, Beijing, 100730 China
| | - Chun-Yao Wang
- Medical ICU, Peking Union Medical College Hospital, Peking Union Medical College and Chinese Academy of Medical Sciences, 1 Shuaifuyuan, Dongcheng district, Beijing, 100730 China
| | - Qing-Yuan Zhan
- Department of Respiratory and Critical Care Medicine, China-Japan Friendship Hospital, 2 Yinghua Dongjie, Hepingli, Beijing, 100029 China
| | - Bin Du
- Medical ICU, Peking Union Medical College Hospital, Peking Union Medical College and Chinese Academy of Medical Sciences, 1 Shuaifuyuan, Dongcheng district, Beijing, 100730 China
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Abstract
OBJECTIVE Knowledge on characteristics and outcome of ICU patients with AIDS is highly limited. We aimed to determine the main reasons for admission and outcome in ICU patients with AIDS and trends over time therein. DESIGN A retrospective study within the Dutch National Intensive Care Evaluation registry. SETTING Dutch ICUs. PATIENTS We used data collected between 1997 and 2014. Characteristics of patients with AIDS were compared with ICU patients without AIDS, matched for age, sex, admission type, and admission year. Joinpoint regression analysis was applied to study trends over time. INTERVENTIONS None. MEASUREMENTS AND MAIN RESULTS We included 1,127 patients with AIDS and 4,479 matched controls. The main admission diagnoses of patients with AIDS were respiratory infection (28.6%) and sepsis (16.9%), which were less common in controls (7.7% and 7.5%, respectively; both p < 0.0001). Patients with AIDS had increased severity of illness and in-hospital mortality (28.2% vs 17.8%; p < 0.0001) compared with controls, which was associated with a higher rate of infections at admission in patients with AIDS (58.4% vs 25.5%). Over time, the proportion of patients with AIDS admitted with an infection decreased (75% in 1999 to 56% in 2013). Mortality declined in patients with AIDS (39% in 1999 to 16% in 2013), both in patients with or without an infection. Mortality also declined in matched controls without AIDS, but to a lesser extent. CONCLUSION Infections are still the main reason for ICU admission in patients with AIDS, but their prevalence is declining. Outcome of patients with AIDS continued to improve during a time of widespread availability of combination antiretroviral therapy, and mortality is reaching levels similar to ICU patients without AIDS.
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Association of COPD With Risk for Pulmonary Infections Requiring Hospitalization in HIV-Infected Veterans. J Acquir Immune Defic Syndr 2016; 70:280-8. [PMID: 26181820 DOI: 10.1097/qai.0000000000000751] [Citation(s) in RCA: 18] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/29/2022]
Abstract
BACKGROUND Pulmonary infections remain more common in HIV-infected (HIV+) compared with uninfected individuals. The increase in chronic lung diseases among aging HIV+ individuals may contribute to this persistent risk. We sought to determine whether chronic obstructive pulmonary disease (COPD) is an independent risk factor for different pulmonary infections requiring hospitalization among HIV+ patients. METHODS We analyzed data from 41,993 HIV+ Veterans in the nationwide Veterans Aging Cohort Study Virtual Cohort from 1996 to 2009. Using International Classification of Diseases, Ninth Revision codes, we identified baseline comorbid conditions, including COPD, and incident community-acquired pneumonia (CAP), pulmonary tuberculosis (TB), and Pneumocystis jirovecii pneumonia (PCP) requiring hospitalization within 2 years after baseline. We used multivariable Poisson regression to determine incidence rate ratios (IRRs) associated with COPD for each type of pulmonary infection, adjusting for comorbidities, CD4 cell count, HIV viral load, smoking status, substance use, vaccinations, and calendar year at baseline. RESULTS Unadjusted incidence rates of CAP, TB, and PCP requiring hospitalization were significantly higher among persons with COPD compared to those without COPD (CAP: 53.9 vs. 19.4 per 1000 person-years; TB: 8.7 vs. 2.8; PCP: 15.5 vs. 9.2; P ≤ 0.001). In multivariable Poisson regression models, COPD was independently associated with increased risk of CAP, TB, and PCP (IRR: 1.94, 95% confidence interval [CI]: 1.64 to 2.30; IRR: 2.60, 95% CI: 1.70 to 3.97; and IRR: 1.48, 95% CI: 1.10 to 2.01, respectively). CONCLUSIONS COPD is an independent risk factor for CAP, TB, and PCP requiring hospitalization among HIV+ individuals. As the HIV+ population ages, the growing burden of COPD may confer substantial risk for pulmonary infections.
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Balkema CA, Irusen EM, Taljaard JJ, Zeier MD, Koegelenberg CF. A prospective study on the outcome of human immunodeficiency virus-infected patients requiring mechanical ventilation in a high-burden setting. QJM 2016; 109:35-40. [PMID: 25979269 DOI: 10.1093/qjmed/hcv086] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 12/09/2014] [Indexed: 11/13/2022] Open
Abstract
BACKGROUND There is a paucity of data on the mortality of patients admitted to the intensive care unit (ICU), despite the fact that human immunodeficiency virus (HIV)-related diseases represent a significant burden to health care resources particularly in sub-Saharan Africa. AIM To describe the outcome and prognostic factors of HIV-infected patients requiring mechanical ventilation in an ICU. DESIGN Prospective observational study. METHODS All 54 patients (34.8 ± 10.4 years, 38 females) admitted with confirmed HIV from October 2012 until May 2013 were enrolled. Disease severity was graded according to APACHEII score. Admission diagnoses, clinical features and laboratory investigations, complications and outcomes were recorded. RESULTS The mean length of ICU stay was 11.0 days (range: 1-49 days), and 33 patients survived (ICU mortality: 38.9%). The in-hospital mortality at 30 days was 48.1%. ICU mortality was associated with an AIDS-defining diagnosis (OR = 7.97, P = 0.003). Non-survivors had higher APACHEII scores (25.8 vs. 18.6, P = 0.001) and lower mean admission CD4 counts (102.5 vs. 225.2, P = 0.014). Multiple logistical regression analysis confirmed the independent predictive value of WHO stage 4 disease (P = 0.008), lower mean CD4 count on admission (P = 0.057) and higher APACHEII score (P = 0.010) on ICU mortality, and WHO stage 4 (P = 0.007) and higher APACHE II score (P = 0.003) on 30-day mortality. CONCLUSIONS The ICU mortality of mechanically ventilated HIV-positive patients was high. WHO stage 4 disease and a higher APACHEII score were predictive of both ICU and 30-day mortality, whereas a low CD4 count on admission was associated with ICU mortality.
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Affiliation(s)
| | | | - J J Taljaard
- Division of Infectious Diseases, Department of Medicine, Stellenbosch University & Tygerberg Academic Hospital, Western Cape Province, Cape Town, South Africa
| | - M D Zeier
- Division of Infectious Diseases, Department of Medicine, Stellenbosch University & Tygerberg Academic Hospital, Western Cape Province, Cape Town, South Africa
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Chou SHS, Prabhu SJ, Crothers K, Stern EJ, Godwin JD, Pipavath SN. Thoracic diseases associated with HIV infection in the era of antiretroviral therapy: clinical and imaging findings. Radiographics 2015; 34:895-911. [PMID: 25019430 DOI: 10.1148/rg.344130115] [Citation(s) in RCA: 34] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/21/2022]
Abstract
The human immunodeficiency virus (HIV) and acquired immunodeficiency syndrome (AIDS) pandemic has entered its 4th decade. Since the introduction of combination antiretroviral therapy (ART) in 1996, the number of AIDS-related deaths has plateaued worldwide. Today, owing to the effectiveness of ART, the HIV-infected population is aging and HIV infection has become a chronic illness. Non-AIDS comorbidities are increasing, and the spectrum of HIV-related thoracic diseases is evolving. In developed countries, bacterial pneumonia has become more common than Pneumocystis pneumonia. Its imaging appearance depends on the responsible organism, most commonly Streptococcus pneumoniae. Mycobacterium tuberculosis continues to be a major threat. Its imaging patterns vary depending on CD4 count. Primary lung cancer and Hodgkin lymphoma are two important non-AIDS-defining malignancies that are increasingly encountered at chest imaging. Human herpesvirus 8, also known as Kaposi sarcoma-associated herpesvirus (KSHV), is strongly linked to HIV-related diseases, including Kaposi sarcoma, multicentric Castleman disease, KSHV inflammatory cytokine syndrome, and primary effusion lymphoma. Immune reconstitution inflammatory syndrome is a direct complication of ART whose manifestations vary with the underlying disease. Given the high rate of smoking among HIV-infected patients, chronic obstructive pulmonary disease is another important cause of morbidity and mortality. A high degree of suspicion is required for the early diagnosis of pulmonary arterial hypertension and lymphocytic interstitial pneumonia, given their nonspecific manifestations. Finally, multilocular thymic cyst manifests as a cystic anterior mediastinal mass. Recognition of the clinical and radiologic manifestations of these less traditional HIV-related diseases can expedite diagnosis and treatment in the ART era.
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Affiliation(s)
- Shinn-Huey S Chou
- From the Department of Radiology (S.H.S.C., S.J.P., E.J.S., J.D.G., S.N.P.) and Division of Pulmonary and Critical Care Medicine (K.C.), University of Washington, 1959 NE Pacific St, UW Mailbox 357115, Seattle, WA 98195-7115
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Characteristics and Outcomes of HIV-Infected Patients With Severe Sepsis: Continued Risk in the Post-Highly Active Antiretroviral Therapy Era. Crit Care Med 2015; 43:1638-45. [PMID: 25853590 DOI: 10.1097/ccm.0000000000001003] [Citation(s) in RCA: 18] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/04/2023]
Abstract
OBJECTIVES Although highly active antiretroviral therapy has led to improved survival in HIV-infected individuals, outcomes for HIV-infected patients with sepsis in the post-highly active antiretroviral therapy era are conflicting. Access to highly active antiretroviral therapy and healthcare disparities continue to affect outcomes. We hypothesized that HIV-infected patients with severe sepsis would have worse outcomes compared with their HIV-uninfected counterparts in a large safety-net hospital where access to healthcare is low and delivery of critical care is delayed. DESIGN Secondary analysis of an ongoing prospective observational study between 2006 and 2010. SETTING Three adult ICUs (medical ICU, surgical ICU, and neurologic ICU) at Grady Memorial Hospital, Atlanta, GA. PATIENTS Adult patients with severe sepsis in the ICU. INTERVENTIONS Baseline patient characteristics and clinical outcomes were collected. HIV-infected and HIV-uninfected patients with sepsis were compared using t tests, chi-square tests, and logistic regression; p values less than 0.05 indicated significance. MEASUREMENTS AND MAIN RESULTS Of 1,095 patients with severe sepsis enrolled, 165 (15%) were positive for HIV, with a median CD4 count of 41 (8-167). Twenty-two percent of HIV-infected patients were on highly active antiretroviral therapy prior to admission, and 80% had a CD4 count less than 200. HIV-infected patients had a greater hospital mortality (50% vs 38%; p < 0.01). HIV infection (odds ratio = 1.78; p = 0.005) was an independent predictor of mortality by multivariate regression modeling after adjusting for age, history of pneumonia, history of hospital-acquired infection, and history of sepsis. CONCLUSIONS HIV-infected patients with severe sepsis continue to suffer worse outcomes compared with HIV-uninfected patients in a large urban safety-net hospital caring for patients with limited access to medical care. Further studies need to be done to investigate the effect of socioeconomic status and mitigate healthcare disparities among critically ill HIV-infected patients.
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Samalavicius R, Serpytis M, Ringaitiene D, Grazulyte D, Bertasiute R, Rimkus B, Matulionyte R, Ambrazaitiene R, Sipylaite J, Kacergius T, Griskevicius L. Successful use of extracorporeal membrane oxygenation in a human immunodeficiency virus infected patient with severe acute respiratory distress syndrome. AIDS Res Ther 2014; 11:37. [PMID: 25745500 PMCID: PMC4350972 DOI: 10.1186/1742-6405-11-37] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/25/2014] [Accepted: 11/08/2014] [Indexed: 11/24/2022] Open
Abstract
Introduction We report a case of an adult patient with human immunodeficiency virus (HIV), acute respiratory distress syndrome (ARDS) and ventilator associated pneumonia (VAP) caused by multidrug resistant (MDR) bacteria that was successfully managed with veno-venous extracorporeal membrane oxygenation (ECMO). Case report A 25 year old male with no significant past medical history had been admitted to a local hospital due to dyspnea and fever. His pulmonary function subsequently failed necessitating mechanical ventilation (MV) and introduction of ECMO support. The patient was transported for 300 km by road on ECMO to a tertiary medical center. The diagnosis of ARDS, HIV infection and MDR bacterial and fungal VAP was made. Patient was successfully treated with antiretroviral therapy (ART), anti-infective agents and 58 days of veno-venous ECMO support, with complete resolution of the respiratory symptoms. Conclusion HIV infected patients with ARDS and MDR bacterial VAP whose HIV replication is controlled by ART could be successfully managed with ECMO.
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Characteristics and outcomes of HIV-1-infected patients with acute respiratory distress syndrome. J Crit Care 2014; 30:60-4. [PMID: 25466320 DOI: 10.1016/j.jcrc.2014.10.020] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/12/2014] [Revised: 10/01/2014] [Accepted: 10/19/2014] [Indexed: 02/01/2023]
Abstract
PURPOSE We determined the prevalence of risk factors for the development of acute respiratory distress syndrome (ARDS), outcomes of critical illness, and the impact of highly active antiretroviral therapy in HIV-1-infected patients. We hypothesized that in an urban county hospital, HIV-1-infected patients with ARDS would have a higher mortality than their HIV-1-uninfected counterparts. MATERIALS AND METHODS Subjects were enrolled between 2006 and 2012. Baseline patient demographics, comorbidities, illness severity, causes of ARDS, and clinical outcomes were obtained. The primary end point was hospital mortality. RESULTS A total of 178 subjects with ARDS were enrolled in the study; 40 (22%) were infected with HIV-1. The median CD4 count was 75 (15.3-198.3), and 25% were on highly active antiretroviral therapy. HIV-1-infected subjects were significantly younger (44 vs 52 years; P < .01) and had higher rates of asthma, chronic obstructive pulmonary disease, pneumonia, history of hospital-acquired infections, and prior sepsis. HIV-1-infected subjects had greater illness severity by Acute Physiology and Chronic Health Evaluation II scores (29 [24-31] vs 24 [22-25]; P < .01). Hospital mortality was not higher among HIV-1-infected subjects compared with HIV-1-uninfected subjects (50.0% vs 38.4%; P = .19). CONCLUSIONS In patients with ARDS, HIV-1 infection was associated with greater illness severity but was not associated with higher mortality in ARDS. Future studies need to be done to evaluate the factors that contribute to high morbidity and mortality in medically vulnerable populations who develop ARDS.
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Medrano J, Álvaro-Meca A, Boyer A, Jiménez-Sousa MA, Resino S. Mortality of patients infected with HIV in the intensive care unit (2005 through 2010): significant role of chronic hepatitis C and severe sepsis. CRITICAL CARE : THE OFFICIAL JOURNAL OF THE CRITICAL CARE FORUM 2014; 18:475. [PMID: 25159592 PMCID: PMC4176576 DOI: 10.1186/s13054-014-0475-3] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 01/27/2014] [Accepted: 07/23/2014] [Indexed: 01/28/2023]
Abstract
INTRODUCTION The combination antiretroviral therapy (cART) has led to decreased opportunistic infections and hospital admissions in human immunodeficiency virus (HIV)-infected patients, but the intensive care unit (ICU) admission rate remains constant (or even increased in some instances) during the cART era. Hepatitis C virus (HCV) infection is associated with an increased risk for hospital admission and/or mortality (particularly those related to severe liver disease) compared with the general population. The aim of this study was to assess the mortality among HIV-infected patients in ICU, and to evaluate the impact of HIV/HCV coinfection and severe sepsis on ICU mortality. METHODS We carried out a retrospective study based on patients admitted to ICU who were recorded in the Minimum Basic Data Set (2005 through 2010) in Spain. HIV-infected patients (All-HIV-group (n = 1,891)) were divided into two groups: HIV-monoinfected patients (HIV group (n = 1,191)) and HIV/HCV-coinfected patients (HIV/HCV group (n = 700)). A control group (HIV(-)/HCV(-)) was also included (n = 7,496). RESULTS All-HIV group had higher frequencies of severe sepsis (57.7% versus 39.4%; P < 0.001) than did the control group. Overall, ICU mortality in patients with severe sepsis was much more frequent than that in patients without severe sepsis (other causes) at days 30 and 90 in HIV-infected patients and the control group (P < 0.001). Moreover, the all-HIV group in the presence or absence of severe sepsis had a higher percentage of death than did the control group at days 7 (P < 0.001), 30 (P < 0.001) and 90 (P < 0.001). Besides, the HIV/HCV group had a higher percentage of death, both in patients with severe sepsis and in patients without severe sepsis compared with the HIV group at days 7 (P < 0.001) and 30 (P < 0.001), whereas no differences were found at day 90. In a bayesian competing-risk model, the HIV/HCV group had a higher mortality risk (adjusted hazard ratio (aHR) = 1.44 (95% CI = 1.30 to 1.59) and aHR = 1.57 (95% CI = 1.38 to 1.78) for patients with and without severe sepsis, respectively). CONCLUSIONS HIV infection was related to a higher frequency of severe sepsis and death among patients admitted to the ICU. Besides, HIV/HCV coinfection contributed to an increased risk of death in both the presence and the absence of severe sepsis.
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Infectious Diseases Physicians’ Approach to Antiretroviral Therapy in HIV/AIDS Patients Admitted to an Intensive Care Unit. INFECTIOUS DISEASES IN CLINICAL PRACTICE 2014. [DOI: 10.1097/ipc.0b013e318291c9de] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/14/2023]
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DeFreitas AA, D'Souza TLM, Lazaro GJ, Windes EM, Johnson MD, Relf MV. Pharmacological considerations in human immunodeficiency virus-infected adults in the intensive care unit. Crit Care Nurse 2014; 33:46-56. [PMID: 23547125 DOI: 10.4037/ccn2013854] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/01/2022]
Abstract
According to estimates, 1.2 million Americans are infected with human immuno deficiency virus (HIV). Because of antiretroviral therapy, persons who have HIV infection or have progressed to AIDS are living longer. As a result, the likelihood that they will need critical care nursing is increasing. Unlike in years past, when these patients were often admitted because of the consequences of immunosuppression, today they are also being cared for in critical care units for other conditions associated with aging, other chronic health conditions, and trauma. When persons who have HIV disease or AIDS are admitted to the intensive care unit, nurses must be prepared to provide care, especially management of complexities associated with antiretroviral therapy. Therefore, this article examines critical care nurses' role in initiating and administering antiretroviral therapy in the intensive care unit and reducing the risk of drug interactions associated with the therapy.
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[Pneumocystis jiroveci pneumonia: Clinical characteristics and mortality risk factors in an Intensive Care Unit]. Med Intensiva 2014; 39:13-9. [PMID: 24485532 DOI: 10.1016/j.medin.2013.11.006] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/31/2013] [Revised: 10/28/2013] [Accepted: 11/11/2013] [Indexed: 11/23/2022]
Abstract
OBJECTIVE To describe the epidemiological characteristics of the population with Pneumocystis jiroveci (P. jiroveci) pneumonia, analyzing risk factors associated with the disease, predisposing factors for admission to an intensive care unit (ICU), and prognostic factors of mortality. DESIGN AND PATIENTS A retrospective observational study was carried out, involving a cohort of patients consecutively admitted to a hospital in Spain from 1 January 2007 to 31 December 2011, with a final diagnosis of P. jiroveci pneumonia. SETTING The ICU and hospitalization service of Hospital del Mar, Barcelona (Spain). RESULTS We included 36 patients with pneumonia due to P. jiroveci. Of these subjects, 16 required ICU admission (44.4%). The average age of the patients was 41.3 ± 12 years, and 23 were men (63.9%). A total of 86.1% had a history of human immunodeficiency virus (HIV) infection, and the remaining 13.9% presented immune-based disease subjected to immunosuppressive therapy. Risk factors associated to hospital mortality were age (51.8 vs. 37.3 years, P=.002), a higher APACHE score upon admission (17 vs. 13 points, P=.009), the need for invasive mechanical ventilation (27.8% vs. 11.1%, P=.000), requirement of vasoactive drugs (25.0% vs. 11.1%, P=.000), fungal coinfection (22.2% vs. 11.1%, P=.001), pneumothorax (16.7% vs. 83.3%, P=.000) and admission to the ICU (27.8% vs. 72.2% P=.000). CONCLUSIONS The high requirement of mechanical ventilation and vasoactive drugs associated with fungal coinfection and pneumothorax in patients admitted to the ICU remain as risk factors associated with mortality in patients with P. jiroveci pneumonia.
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Husstedt IW, Braicks O, Reichelt D, Oelker-Grueneberg U, Evers S. Treatment of immigrants and residents suffering from neuro-AIDS on a neurological intensive care unit: epidemiology and predictors of outcome. Acta Neurol Belg 2013; 113:391-5. [PMID: 23460392 DOI: 10.1007/s13760-013-0185-7] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/21/2012] [Accepted: 02/01/2013] [Indexed: 10/27/2022]
Abstract
This study aimed at determining the clinical features and predictors for the outcome of patients with Neuro-Aids treated on a neurological intensive care unit (NICU) using retrospective analysis of all patients treated for Neuro-Aids in a tertiary Department of Neurology between 1996 and 2011. Chart review of the patients including the characteristics of intensive care was performed. As negative outcome, "death on the NICU or within 2 months following completion of NICU treatment" was defined. In total, 462 patients were identified of whom 87 were immigrants. 67 of all patients required NICU treatment (mean age 40.2 ± 0.8 years; 64% male). The median of the duration between diagnosis of HIV infection and the onset of treatment on NICU was 8 days for immigrants and 10 years for residents (p < 0.001). 34 of the patients on the NICU died due to severe neuromanifestations. Negative predictors for death were: (1) artificial ventilation; (2) antiretroviral-naïve immigrant; (3) primary cerebral lymphoma; (4) missing antiretroviral therapy upon admission to the NICU. Gender, age, ethnicity, CD4+ cell count, and viral load were no predictors of a negative outcome. The results indicated that the rate of death during treatment on a NICU is much higher as compared with treatment on an internal medicine ICU. A lot of research and effort will be necessary to improve this outcome especially for immigrants with Neuro-Aids.
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Cobos-Trigueros N, Rinaudo M, Solé M, Castro P, Pumarol J, Hernández C, Fernández S, Nicolás JM, Mallolas J, Vila J, Morata L, Gatell JM, Soriano A, Mensa J, Martínez JA. Acquisition of resistant microorganisms and infections in HIV-infected patients admitted to the ICU. Eur J Clin Microbiol Infect Dis 2013; 33:611-20. [DOI: 10.1007/s10096-013-1995-5] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/27/2013] [Accepted: 10/07/2013] [Indexed: 11/29/2022]
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Etiology and Outcome of Patients with HIV Infection and Respiratory Failure Admitted to the Intensive Care Unit. Interdiscip Perspect Infect Dis 2013; 2013:732421. [PMID: 24065988 PMCID: PMC3771454 DOI: 10.1155/2013/732421] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/25/2013] [Accepted: 07/25/2013] [Indexed: 12/15/2022] Open
Abstract
Background. Although access to HAART has prolonged survival and improved quality of life, HIV-infected patients with severe immunosuppression or comorbidities may develop complications that require critical care support. Our objective is to evaluate the etiology of respiratory failure in patients with HIV infection admitted to the ICU, its relationship with the T-lymphocytes cell count as well as the use of HAART, and its impact on outcome. Methods. A single-center, prospective, and observational study among all patients with HIV-infection and respiratory failure admitted to the ICU from December 1, 2011, to February 28, 2013, was conducted. Results. A total of 42 patients were admitted during the study period. Their median CD4 cell count was 123 cells/ μ L (mean 205.7, range 2.0-694.0), with a median HIV viral load of 203.5 copies/mL (mean 58,676, range <20-367,649). At the time of admission, 23 patients (54.8%) were receiving HAART. Use of antiretroviral therapy at ICU admission was not associated with survival, but it was associated with higher CD4 cell counts and lower HIV viral loads. Twenty-five patients (59.5%) had respiratory failure secondary to non-HIV-related diseases. Mechanical ventilation was required in 36 patients (85.1%). Thirteen patients (31.0%) died. Conclusions. Noninfectious etiologies of respiratory failure account for majority of HIV-infected patients admitted to ICU. Increased mortality was observed among patients with sepsis as etiology of respiratory failure (HIV related and non-AIDS related), in those receiving mechanical ventilation, and in patients with decreased CD4 cell count. Survival was not associated with the use of HAART. Complementary studies are warranted to address the impact of HAART on outcomes of HIV-infected patients with respiratory failure admitted to ICU.
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Immunogenicity and safety of pneumococcal conjugate polysaccharide and free polysaccharide vaccines alone or combined in HIV-infected adults in Brazil. Vaccine 2013; 31:4047-53. [DOI: 10.1016/j.vaccine.2013.04.065] [Citation(s) in RCA: 32] [Impact Index Per Article: 2.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/13/2013] [Revised: 04/05/2013] [Accepted: 04/24/2013] [Indexed: 11/21/2022]
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Rose-Nussbaumer J, Goldstein DA, Thorne JE, Arantes TE, Acharya NR, Shakoor A, Jeng BH, Yeh S, Rahman H, Vemulakonda GA, Flaxel CJ, West SK, Holland GN, Smith JR. Uveitis in human immunodeficiency virus-infected persons with CD4+ T-lymphocyte count over 200 cells/mL. Clin Exp Ophthalmol 2013; 42:118-25. [PMID: 23777456 DOI: 10.1111/ceo.12141] [Citation(s) in RCA: 15] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/24/2012] [Accepted: 05/19/2013] [Indexed: 11/26/2022]
Abstract
BACKGROUND Introduction of highly active antiretroviral therapy has altered the course of disease for persons infected with human immunodeficiency virus by elevating CD4+ T-lymphocyte levels. Changes in the spectrum of systemic diseases encountered in human immunodeficiency virus-positive individuals are reported in the general medical literature. DESIGN Retrospective case series. PARTICIPANTS Sixty-one individuals infected with human immunodeficiency virus, who presented with uveitis when the peripheral CD4+ T-lymphocyte count was over 200 cells/μL. METHODS Standardized data collection at seven tertiary-referral inflammatory eye disease clinics. MAIN OUTCOME MEASURES Standardization of Uveitis Nomenclature anatomic classification and descriptors, cause of uveitis, and visual acuity RESULTS Peripheral CD4+ T cell counts varied between 207 and 1777 (median = 421) cells/μL at the time of diagnosis of uveitis. Uveitis was classified anatomically as anterior (47.5%), intermediate (6.6%), anterior/intermediate (16.4%), posterior (14.8%) and pan (14.8%). Specific causes of uveitis included infections (34.4%), with syphilis responsible for 16.4% of all cases, and defined immunological disorders (27.0%); no cause for the inflammation was identified in 34.4% of persons. Visual acuity was better than 6/15 in 66.7% and 6/60 or worse in 11.8% of 93 eyes at presentation, and better than 6/15 in 82.4% and 6/60 or worse in 8.8% of 34 eyes at 1 year of follow-up. CONCLUSIONS Both infectious and non-infectious forms of uveitis occur in individuals who are infected with human immunodeficiency virus and have preserved or restored peripheral CD4+ T cell levels. Individuals who are human immunodeficiency virus-positive and present with uveitis should be evaluated in the same way all patients with uveitis are assessed.
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Affiliation(s)
- Jennifer Rose-Nussbaumer
- Casey Eye Institute and Department of Ophthalmology, Oregon Health Sciences University, Portland, Oregon, USA
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Suzuki Y, Kume H, Togano T, Kanoh Y, Ohto H. Epidemiology of visceral mycoses in autopsy cases in Japan: the data from 1989 to 2009 in the Annual of Pathological Autopsy Cases in Japan. Med Mycol 2013; 51:522-6. [DOI: 10.3109/13693786.2012.755574] [Citation(s) in RCA: 28] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/01/2023] Open
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[Consensus statement of the National AIDS Plan Secretariat, Spanish Society of Emergency Medicine and AIDS Study Group of the Spanish Society of Infectious Diseases and Clinical Microbiology on Emergency and Human Immunodeficiency Virus Infection]. Enferm Infecc Microbiol Clin 2013; 31:455.e1-455.e16. [PMID: 23601916 DOI: 10.1016/j.eimc.2012.11.020] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/19/2012] [Accepted: 11/26/2012] [Indexed: 12/01/2022]
Abstract
OBJECTIVE Supporting non-HIV specialist professionals in the treatment of patients with urgent diseases resulting from HIV infection. METHODS These recommendations have been agreed by an expert panel from the National AIDS Plan Secretariat, the Spanish Society of Emergency Medicine, and the AIDS Study Group. A review has been made of the safety and efficacy results of clinical trials and cohort studies published in biomedical journals (PubMed and Embase) or presented at conferences. The strength of each recommendation (A, B, C) and the level of supporting evidence (I, II, III) are based on a modification of the criteria of the Infectious Diseases Society of America. RESULTS The data to be collected from the emergency medical history in order to recognize the patient at risk of HIV infection were specified. It stressed the basic knowledge of ART principles and its importance in terms of decline in morbidity and mortality of HIV+ patients and referring to the HIV specialist for follow-up, where appropriate, including drug interactions. Management of different emergency situations that may occur in patients with HIV infection is also mentioned. CONCLUSIONS The non-HIV specialist professional, will find the necessary tools to approach HIV patients with an emergency disease.
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HIV patients admitted to an ICU of a university hospital - experience of 15 years: 1995 to 2009. Crit Care 2013. [PMCID: PMC3642928 DOI: 10.1186/cc12404] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/15/2022] Open
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Abstract
Regional anesthesia is the most effective procedure for acute pain therapy. Whether neuraxial and peripheral blocks in patients with pre-existing infectious conditions, immune deficits or other risk factors increase the risk of additional infections is unclear. Analyzing the available literature currently seems to indicate that the incidence of severe infectious complications is generally low. Diabetes, steroid therapy or malignant diseases are apparently present in many cases in which infections associated with regional anesthesia and analgesia have been described. A strict contraindication in patients with pre-existing systemic or local infections seems unjustifiable. A clear and documented risk-benefit ratio in these patients is mandatory.
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Shrosbree J, Campbell LJ, Ibrahim F, Hopkins P, Vizcaychipi M, Strachan S, Post FA. Late HIV diagnosis is a major risk factor for intensive care unit admission in HIV-positive patients: a single centre observational cohort study. BMC Infect Dis 2013; 13:23. [PMID: 23331544 PMCID: PMC3553027 DOI: 10.1186/1471-2334-13-23] [Citation(s) in RCA: 20] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/04/2012] [Accepted: 01/16/2013] [Indexed: 02/06/2023] Open
Abstract
Background HIV positive patients are at risk of infectious and non-infectious complications that may necessitate intensive care unit (ICU) admission. While the characteristics of patients requiring ICU admission have been described previously, these studies did not include information on the denominator population from which these cases arose. Methods We conducted an observational cohort study of ICU admissions among 2751 HIV positive patients attending King’s College Hospital, South London, UK. Poisson regression models were used to identify factors associated with ICU admission. Results The overall incidence rate of ICU admission was 1.0 [95% CI 0.8, 1.2] per 100 person-years of follow up, and particularly high early (during the first 3 months) following HIV diagnosis (12.4 [8.7, 17.3] per 100 person-years compared to 0.37 [0.27, 0.50] per 100 person-years thereafter; incidence rate ratio 33.5 [23.4, 48.1], p < 0.001). In time-updated analyses, AIDS and current CD4 cell counts of less than 200 cells/mm3 were associated with an increased incidence of ICU admission while receipt of combination antiretroviral therapy (cART) was associated with a reduced incidence of ICU admission. Late HIV diagnosis (initial CD4 cell count <350 or AIDS within 3 months of HIV diagnosis) applied to 81% of patients who were first diagnosed HIV positive during the study period and who required ICU admission. Late HIV diagnosis was significantly associated with ICU admission in the first 3 months following HIV diagnosis (adjusted incidence rate ratio 8.72, 95% CI 2.76, 27.5). Conclusions Late HIV diagnosis was a major risk factor for early ICU admission in our cohort. Earlier HIV diagnosis allowing cART initiation at CD4 cell counts of 350 cells/mm3 is likely to have a significant impact on the need for ICU care.
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Rhim JW, Go EJ, Lee KY, Youn YS, Kim MS, Park SH, Kim JC, Kang JH. Pandemic 2009 H1N1 virus infection in children and adults: A cohort study at a single hospital throughout the epidemic. Int Arch Med 2012; 5:13. [PMID: 22443897 PMCID: PMC3331808 DOI: 10.1186/1755-7682-5-13] [Citation(s) in RCA: 21] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/21/2011] [Accepted: 03/26/2012] [Indexed: 11/10/2022] Open
Abstract
BACKGROUND In 2009, there was an influenza pandemic in South Korea. The aim of this study was to evaluate the epidemiological, clinical and laboratory characteristics of this infection in children and adults. METHODS We evaluated the epidemiologic characteristics of patients infected with the 2009 H1N1 influenza A virus (4,463 patients, age range from 2 mo to 86 y), and the clinical and laboratory findings of 373 inpatients (80/217 children, ≤ 15 y, had pneumonia and 36/156 adults, > 16 y, had pneumonia) in a single hospital during the epidemic. RESULTS The majority of infected patients (94%) were less than 40 y, and greater than 90% of cases occurred during a two-month period. The rates of admission and pneumonia were 8.4% (373/4,463) and 2.5% (116/4,463), respectively. The rates of admission and pneumonia, total duration of fever, the frequency of underlying diseases, and the values of C-reactive protein and erythrocyte sedimentation rate tended to increase as age increased; highest rates were found in the ≥ 65 y group. Pneumonia was founded more boys than girls in children, but more female than male in adults. The adult patients with pneumonia had higher leukocyte counts with lower lymphocyte differentials than the group without pneumonia, as shown in children group. CONCLUSION Our results suggest that the immunologic reaction to viral insults may be associated with age, sex and underlying diseases, and that unknown herd immunity may affect populations. The patients with underlying diseases, especially in older patients may have immunologic insufficiency that is associated with immunologic consumption by the underlying diseases.
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Affiliation(s)
- Jung-Woo Rhim
- Departments of Pediatrics, College of Medicine, The Catholic University of Korea, 505 Banpo-dong, Seocho-gu, Seoul 137-701, Republic of Korea.
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