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1.
J Cancer Res Clin Oncol ; 148(8): 1943-1953, 2022 Aug.
Artigo em Inglês | MEDLINE | ID: mdl-35608689

RESUMO

PURPOSE: We aimed at exploring the quality of life (QOL) of lung cancer survivors with proven tyrosine-kinase receptor (RTK) genetic alterations and targeted tyrosine-kinase inhibitors (TKI) therapy, compared to lung cancer survivors with no-RTK alterations and no-TKI therapy. METHODS: Data were collected in a cross-sectional multi-centre study. Primary lung cancer survivors were asked about their socio-demographic and clinical information, QOL, symptom burden, and distress. QOL and symptom burden were assessed using the European Organization for Research and Treatment of Cancer Quality of Life Questionnaire Core 30 (EORTC QLQ-C30), and distress with the Patient Health Questionnaire-4 (PHQ-4). Demographic and clinical characteristics were reported in absolute and relative frequencies, QOL, and symptom burden using mean scores. Differences in mean scores with relative 95% confidence intervals were used for comparison. RESULTS: Three groups of survivors were defined: group A with proven RTK alterations, TKI therapy at any time during therapy, and stage IV lung cancer at diagnosis (n = 49); group B: non-TKI therapy and stage IV lung cancer (n = 121); group C: non-TKI therapy and stage I-III lung cancer (n = 495). Survivors in group A reported lower QOL (mean score difference = -11.7 vs. group B) and symptom burden for dyspnoea (difference = -11.5 vs. group C), and higher symptom burden for appetite loss (difference = + 11.4 vs. group C), diarrhoea and rash (differences = + 25.6, + 19.6 and + 13.2, + 13.0, respectively, vs. both groups). CONCLUSIONS: Our results suggest that the specific side effects of TKI therapy can impair QOL among lung cancer survivors. Therefore, specific focus towards the optimal management of these side effects should be considered.


Assuntos
Sobreviventes de Câncer , Neoplasias Pulmonares , Estudos Transversais , Humanos , Pulmão , Neoplasias Pulmonares/tratamento farmacológico , Qualidade de Vida , Inquéritos e Questionários , Sobreviventes , Tirosina
2.
Support Care Cancer ; 29(7): 3753-3765, 2021 Jul.
Artigo em Inglês | MEDLINE | ID: mdl-33211206

RESUMO

PURPOSE: To investigate the work situation of lung cancer survivors and to identify the factors associated with their returning to work. METHODS: Descriptive analysis and logistic regression were used to evaluate study population characteristics and independent factors of subsequently returning to work. To analyze time to return to work, Cox regression was used. RESULTS: The study sample included 232 lung cancer survivors of working age from 717 enrolled participants in the multi-center cross-sectional LARIS (Quality of Life and Psychosocial Rehabilitation in Lung Cancer Survivors) study. About 67% of the survivors were not employed during the survey. More than 51% of the survivors who were employed before their illness did not return to their work. The survivors who had returned to their careers were younger, associated with higher household income, lower fatigue score, and stable relationship and vocational training. Patients who received social service counseling showed a higher chance of regaining their career. CONCLUSIONS: Lung cancer survivors were found to be associated with a high risk of unemployment and very low professional reintegration after interruption due to illness. More comprehensive studies are needed to support lung cancer survivors and targeting of patients in need of special attention in rehabilitation that would benefit from the findings in the present study.


Assuntos
Sobreviventes de Câncer/psicologia , Neoplasias Pulmonares/psicologia , Retorno ao Trabalho/tendências , Adulto , Estudos Transversais , Feminino , Alemanha , Humanos , Neoplasias Pulmonares/mortalidade , Masculino , Pessoa de Meia-Idade , Inquéritos e Questionários , Sobreviventes/psicologia
3.
J Thorac Oncol ; 14(3): 420-435, 2019 03.
Artigo em Inglês | MEDLINE | ID: mdl-30508641

RESUMO

INTRODUCTION: The objective was to assess quality of life (QoL) in lung cancer survivors, compare it to the general population, and identify factors associated with global QoL, physical functioning, emotional functioning, fatigue, pain, and dyspnea. METHODS: Data from NSCLC patients who had survived 1 year or longer after diagnosis were collected cross-sectionally in a multicenter study. QoL was assessed with the European Organisation for the Research and Treatment of Cancer (EORTC) Quality of Life Questionnaire (QLQ)-C30 and the lung cancer module QLQ-LC13 across different clinical subgroups and compared to age- and sex-standardized general population reference values. Multivariable linear regression analyses were performed to test the associations of patient-, tumor-, and treatment-related factors with the six primary QoL scales. RESULTS: Six hundred fifty-seven NSCLC patients participated in the study with a median time since diagnosis of 3.7 years (range, 1.0-21.2 years). Compared to the age- and sex-standardized general population, clinically meaningful differences in the QoL detriment were found on almost all domains: lung cancer survivors had clinically relevant poorer global QoL (10 points, p < 0.001). Whereas in 12 months or longer treatment-free patients this detriment was small (8.3), it was higher in patients currently in treatment (16.0). Regarding functioning and symptom scales, respective detriments were largest for dyspnea (41 points), role function (33 points), fatigue (27 points), social function (27 points), physical function (24 points), and insomnia (21 points) observed across all subgroups. The main factor associated with poorer QoL in all primary QoL scales was mental distress (ß |19-31|, all p < 0.001). Detriments in QoL across multiple primary QoL scales were also observed with current treatment (ß |8-12|, p < 0.01), respiratory comorbidity (ß |4-5|, p < 0.01), and living on a disability pension (ß |10-11|, p < 0.01). The main factor associated with better QoL in almost all primary QoL scales was higher physical activity (ß |10-20|, p < 0.001). Better QoL was also observed in patients with high income (ß |10-14|, p < 0.01). CONCLUSIONS: Lung cancer survivors experience both functional restrictions and symptoms that persist long term after active treatment ends. This substantiates the importance of providing long-term supportive care.


Assuntos
Carcinoma Pulmonar de Células não Pequenas/terapia , Neoplasias Pulmonares/terapia , Qualidade de Vida , Sobreviventes/estatística & dados numéricos , Adulto , Idoso , Idoso de 80 Anos ou mais , Carcinoma Pulmonar de Células não Pequenas/patologia , Terapia Combinada , Estudos Transversais , Feminino , Seguimentos , Humanos , Neoplasias Pulmonares/patologia , Masculino , Pessoa de Meia-Idade , Prognóstico , Inquéritos e Questionários , Taxa de Sobrevida
5.
J Artif Organs ; 21(1): 8-16, 2018 Mar.
Artigo em Inglês | MEDLINE | ID: mdl-29124458

RESUMO

Extracorporeal membrane oxygenation (ECMO) and extracorporeal life support (ECLS) are an increasingly established advanced therapy for emerging severe lung and/or cardiocirculatory dysfunction or failure. Several reports have provided evidence for a potential benefit in prognosis by ECLS in cases of cardiogenic shock including cardiopulmonary resuscitation. Routine use in specialized centers reduces the incidence of negative side effects (e.g., vascular/ischemic, embolic, hemorrhagic, hemolytic and, furthermore, septic). Vascular complications like not only limb ischemia but also hypoxia proximal to the cannulation site up to complete sectorial hypoxia called "harlequin phenomenon" could refer to be a major adverse event in ECLS which, therefore, should be limited primarily to cardiocirculatory indications. Here we report on a case with "harlequin phenomenon" after ECLS implementation as a relevant complication of the mode of cannulation and review benefits and risks of commonly used variants of vascular access.


Assuntos
Cateterismo/métodos , Oxigenação por Membrana Extracorpórea/métodos , Insuficiência Respiratória/terapia , Humanos , Masculino , Pessoa de Meia-Idade
6.
Eur J Cardiothorac Surg ; 49(1): 55-62, 2016 Jan.
Artigo em Inglês | MEDLINE | ID: mdl-25881588

RESUMO

OBJECTIVE: Experimental and clinical studies have indicated a beneficial effect of retrograde lung preservation on post-transplant results. Accordingly, we conducted a non-randomized trial. METHODS: A total of 209 consecutive recipients transplanted with low-potassium dextrane (LPD)-preserved lungs were eligible for analysis. Antegrade lung preservation (AP) was performed in 173 patients and retrograde in situ perfusion (RP) in 36 patients using low-potassium dextrane solution in all cases. The prostacycline was added to preservation solution. RESULTS: The main donor, graft and recipient characteristics did not differ significantly between groups. There was a beneficial trend toward improved oxygenation indices in the RP cohort within the initial 48 post-transplant hours. The incidence of severe primary graft dysfunction was comparable up to 48 h post-transplant and was significantly increased in the RP cohort 72 h post-transplant (2.2% AP vs 14.8% RP, P = 0.016). Fatal bronchial dehiscences occurred more often in RP recipients (5.6% RP vs 0.6% AP, P = 0.067). The occurrence of bronchial stenoses revealed a slightly improved trend in the RP group (24.9% AP vs 13.9% RP, P = 0.218). Survival (P = 0.927) and bronchiolitis obliterans syndrome-free survival (P = 0.337) were comparable between groups. CONCLUSION: In our clinical survey, this analysis does not confirm the beneficial results of retrograde lung preservation alone, as was previously observed in experimental studies.


Assuntos
Transplante de Pulmão/mortalidade , Transplante de Pulmão/métodos , Soluções para Preservação de Órgãos/farmacologia , Preservação de Órgãos/métodos , Adulto , Estudos de Coortes , Feminino , Seguimentos , Rejeição de Enxerto , Sobrevivência de Enxerto , Humanos , Estimativa de Kaplan-Meier , Transplante de Pulmão/efeitos adversos , Masculino , Pessoa de Meia-Idade , Análise Multivariada , Modelos de Riscos Proporcionais , Estudos Retrospectivos , Medição de Risco , Estatísticas não Paramétricas , Análise de Sobrevida , Fatores de Tempo , Doadores de Tecidos , Resultado do Tratamento
7.
World J Surg ; 40(3): 636-43, 2016 Mar.
Artigo em Inglês | MEDLINE | ID: mdl-26560148

RESUMO

OBJECTIVE: Swallowing disorders are frequent complaints after thyroidectomy even in the absence of recurrent laryngeal nerve palsy. The aim of this study was to assess different symptoms in relation to laryngeal mobility following thyroidectomy. MATERIALS AND METHODS: 53 patients (mean age 52.4 ± 12.5 years; 36 female) with initially benign diagnosis and intact recurrent nerve functioning were prospectively evaluated. Laryngeal movement was analyzed by ultrasound preoperatively and 1, 3, and 6 months postoperatively. In addition, a dysphagia and voice-specific quality-of-life questionnaire was used. RESULTS: Mean laryngeal movement differed between genders preoperatively and postoperatively resulting in a recovery predominantly in women (reduction of mobility at 1, 3, and 6 months postoperatively in females was 6.0, 3.7, and 1.5 mm, and in males 13.8, 11.7, and 10.3 mm, respectively). Mainly, women reported hoarseness (9 females) and cervical discomfort (7 females, 3 males) 1 month postoperatively. After 6 months, these complaints resolved (cervical discomfort 1 female). CONCLUSION: Laryngeal mobility was significantly impaired postoperatively and only females revealed a recovery close to baseline after 6 months. Although showing only a small grade of recovery of laryngeal movement, subjective clinical symptoms were found to be rare in male patients.


Assuntos
Laringe/fisiopatologia , Complicações Pós-Operatórias , Glândula Tireoide/cirurgia , Tireoidectomia/efeitos adversos , Paralisia das Pregas Vocais/complicações , Paralisia das Pregas Vocais/diagnóstico , Distúrbios da Voz/diagnóstico , Adolescente , Feminino , Seguimentos , Humanos , Laringe/diagnóstico por imagem , Masculino , Pessoa de Meia-Idade , Inquéritos e Questionários , Fatores de Tempo , Ultrassonografia , Paralisia das Pregas Vocais/fisiopatologia , Distúrbios da Voz/etiologia , Distúrbios da Voz/fisiopatologia , Qualidade da Voz
8.
Ger Med Sci ; 13: Doc19, 2015.
Artigo em Inglês | MEDLINE | ID: mdl-26609286

RESUMO

In 2010, under the guidance of the DGAI (German Society of Anaesthesiology and Intensive Care Medicine) and DIVI (German Interdisciplinary Association for Intensive Care and Emergency Medicine), twelve German medical societies published the "Evidence- and Consensus-based Guidelines on the Management of Analgesia, Sedation and Delirium in Intensive Care". Since then, several new studies and publications have considerably increased the body of evidence, including the new recommendations from the American College of Critical Care Medicine (ACCM) in conjunction with Society of Critical Care Medicine (SCCM) and American Society of Health-System Pharmacists (ASHP) from 2013. For this update, a major restructuring and extension of the guidelines were needed in order to cover new aspects of treatment, such as sleep and anxiety management. The literature was systematically searched and evaluated using the criteria of the Oxford Center of Evidence Based Medicine. The body of evidence used to formulate these recommendations was reviewed and approved by representatives of 17 national societies. Three grades of recommendation were used as follows: Grade "A" (strong recommendation), Grade "B" (recommendation) and Grade "0" (open recommendation). The result is a comprehensive, interdisciplinary, evidence and consensus-based set of level 3 guidelines. This publication was designed for all ICU professionals, and takes into account all critically ill patient populations. It represents a guide to symptom-oriented prevention, diagnosis, and treatment of delirium, anxiety, stress, and protocol-based analgesia, sedation, and sleep-management in intensive care medicine.


Assuntos
Analgesia/normas , Sedação Consciente/normas , Cuidados Críticos/normas , Sedação Profunda/normas , Delírio/tratamento farmacológico , Ansiedade/diagnóstico , Ansiedade/tratamento farmacológico , Consenso , Delírio/diagnóstico , Delírio/terapia , Medicina Baseada em Evidências , Humanos , Hipnóticos e Sedativos/uso terapêutico , Sono , Estresse Psicológico/diagnóstico , Estresse Psicológico/tratamento farmacológico
9.
Transplantation ; 99(9): 1933-9, 2015 Sep.
Artigo em Inglês | MEDLINE | ID: mdl-25651311

RESUMO

BACKGROUND: Despite improvement of lung preservation by the introduction of low-potassium dextran (LPD) solution, ischemia-reperfusion injury remains a major contributor to early post-lung transplant graft dysfunction and mortality. After favorable experimental data, Celsior solution was used in our clinical lung transplant program. Data were compared with our historic LPD cohort. METHODS: Between January 2002 and January 2005, 209 consecutive lung transplantations were performed with LPD. These were compared to 208 transplants between February 2005 and September 2007 with Celsior. Endpoints included posttransplant PaO2/FiO2 ratio at different timepoints after intensive care unit (ICU) admission, posttransplant ventilation time, ICU stay and 30-day mortality, follow-up survival, and bronchiolitis obliterans syndrome-free survival. RESULTS: Ratios of sex, urgency status, type of procedure, length of posttransplant ICU stay, and age did not show significant differences between the 2 groups. Mean ischemia times were significantly longer in the Celsior group (LPD, 355 ± 105 minutes vs Celsior, 436 ± 139 minutes, P < 0.001). Overall 3-year-survival (LPD, 66.5% vs Celsior, 72.0%; P = 0.25) was nonsignificantly improved in the Celsior cohort. CONCLUSIONS: A trend toward better survival (P = 0.09) and increased freedom from bronchiolitis obliterans syndrome (P = 0.03) was observed in the Celsior group despite prolonged ischemic times compared with LPD. Lung preservation with Celsior is safe and effective and may carry advantages.


Assuntos
Citratos/uso terapêutico , Transplante de Pulmão/métodos , Soluções para Preservação de Órgãos/uso terapêutico , Preservação de Órgãos/métodos , Disfunção Primária do Enxerto/prevenção & controle , Adulto , Bronquiolite/prevenção & controle , Citratos/efeitos adversos , Dissacarídeos/efeitos adversos , Dissacarídeos/uso terapêutico , Intervalo Livre de Doença , Eletrólitos/efeitos adversos , Eletrólitos/uso terapêutico , Feminino , Alemanha , Glutamatos/efeitos adversos , Glutamatos/uso terapêutico , Glutationa/efeitos adversos , Glutationa/uso terapêutico , Histidina/efeitos adversos , Histidina/uso terapêutico , Humanos , Unidades de Terapia Intensiva , Estimativa de Kaplan-Meier , Tempo de Internação , Transplante de Pulmão/efeitos adversos , Transplante de Pulmão/mortalidade , Masculino , Manitol/efeitos adversos , Manitol/uso terapêutico , Pessoa de Meia-Idade , Preservação de Órgãos/efeitos adversos , Preservação de Órgãos/mortalidade , Soluções para Preservação de Órgãos/efeitos adversos , Disfunção Primária do Enxerto/diagnóstico , Disfunção Primária do Enxerto/etiologia , Disfunção Primária do Enxerto/mortalidade , Modelos de Riscos Proporcionais , Respiração Artificial , Estudos Retrospectivos , Fatores de Risco , Fatores de Tempo , Resultado do Tratamento
10.
Dtsch Arztebl Int ; 111(7): 107-16, 2014 Feb 14.
Artigo em Inglês | MEDLINE | ID: mdl-24622680

RESUMO

BACKGROUND: Lung transplantation is the final treatment option in the end stage of certain lung diseases, once all possible conservative treatments have been exhausted. Depending on the indication for which lung transplantation is performed, it can improve the patient's quality of life (e.g., in emphysema) and/ or prolong life expectancy (e.g., in cystic fibrosis, pulmonary fibrosis, and pulmonary arterial hypertension). The main selection criteria for transplant candidates, aside from the underlying pulmonary or cardiopulmonary disease, are age, degree of mobility, nutritional and muscular condition, and concurrent extrapulmonary disease. The pool of willing organ donors is shrinking, and every sixth candidate for lung transplantation now dies while on the waiting list. METHOD: We reviewed pertinent articles (up to October 2013) retrieved by a selective search in Medline and other German and international databases, including those of the International Society for Heart and Lung Transplantation (ISHLT), Eurotransplant, the German Institute for Applied Quality Promotion and Research in Health-Care (Institut für angewandte Qualitätsförderung und Forschung im Gesundheitswesen, AQUA-Institut), and the German Foundation for Organ Transplantation (Deutsche Stiftung Organtransplantation, DSO). RESULTS: The short- and long-term results have markedly improved in recent years: the 1-year survival rate has risen from 70.9% to 82.9%, and the 5-year survival rate from 46.9% to 59.6%. The 90-day mortality is 10.0%. The postoperative complications include acute (3.4%) and chronic (29.0%) transplant rejection, infections (38.0%), transplant failure (24.7%), airway complications (15.0%), malignant tumors (15.0%), cardiovascular events (10.9%), and other secondary extrapulmonary diseases (29.8%). Bilateral lung transplantation is superior to unilateral transplantation (5-year survival rate 57.3% versus 47.4%). CONCLUSION: Seamless integration of the various components of treatment will be essential for further improvements in outcome. In particular, the follow-up care of transplant recipients should always be provided in close cooperation with the transplant center.


Assuntos
Rejeição de Enxerto/mortalidade , Pneumopatias/mortalidade , Pneumopatias/cirurgia , Transplante de Pulmão/mortalidade , Cuidados Paliativos/estatística & dados numéricos , Assistência Terminal/estatística & dados numéricos , Feminino , Humanos , Masculino , Prevalência , Fatores de Risco , Taxa de Sobrevida , Resultado do Tratamento
11.
J Heart Lung Transplant ; 32(8): 832-8, 2013 Aug.
Artigo em Inglês | MEDLINE | ID: mdl-23856220

RESUMO

BACKGROUND: Topical in situ cooling of the donor lungs is a prerequisite for procurement of non-heart-beating donor lungs and may be of interest for living related lung donation. METHODS: Twenty-four single lung transplants were performed in 4 groups of Landrace pigs (6 per group). Control LPD, control Celsior and topical cooling in situ, followed by LPD (exLPD) or Celsior (exCel) ex situ flush, were employed. All lungs were perfused antegrade with 1 liter of solution at 4°C. Lungs were stored immersed in preservation solution for 24 hours at 4°C. After transplantation of the left lung, the right recipient bronchus and pulmonary artery were clamped. RESULTS: Four of 6 animals each in the LPD and Celsior groups and all 6 animals in both the exLPD and the exCel groups survived the 7-hour reperfusion. The mean oxygenation index was favorably preserved in the exCel group at 7 hours after reperfusion (417 ± 81) over all other groups (LPD 341 ± 133, Celsior 387 ± 86, exLPD 327 ± 76; p < 0.0001). Pulmonary vascular resistance showed significantly lower values in the Celsior and exCel groups (LPD 1,310 ± 620, Celsior 584 ± 194, exLPD 1,035 ± 361, exCel 650 ± 116 dyn/s/cm(5) at 7 hours after reperfusion; p < 0.0001). Consistently, the wet-to-dry lung weight ratio also indicated beneficial graft protection in the exCel group (LPD 8.1 ± 0.8, Celsior 8.4 ± 0.8, exLPD 7.5 ± 1.0, exCel 3.1 ± 0.9; p < 0.0001). CONCLUSION: Initial topical cooling followed by backtable perfusion is a sufficient technique for pulmonary graft preservation providing excellent post-transplant function. Celsior subsequent to in-situ topical cooling revealed the most beneficial results in this setting. This combined technique could advance non-heart-beating, living related lung lobe donation and, potentially, regular heart-beating lung donation.


Assuntos
Isquemia Fria , Transplante de Pulmão , Preservação de Órgãos/métodos , Animais , Dissacarídeos , Eletrólitos , Feminino , Glutamatos , Glutationa , Histidina , Manitol , Perfusão , Suínos , Fatores de Tempo
12.
Eur J Cardiothorac Surg ; 41(1): 140-8; discussion 148, 2012 Jan.
Artigo em Inglês | MEDLINE | ID: mdl-21596579

RESUMO

OBJECTIVES: Reduced glutathione (GSH) has been shown to improve pulmonary graft preservation. Mitochondrial dysfunction is regarded to be the motor of ischemia-reperfusion injury (IR) in solid organs. We have shown previously that IR induces pulmonary mitochondrial damage. This study elucidates the impact of GSH preconditioning on the integrity and function of pulmonary mitochondria in the setting of warm pulmonary IR. METHODS: Wistar rats were subjected to control, sham, and to two-study-group conditions (IR30/60 and GSH-IR30/60) receiving IR with or without GSH preconditioning. Rats were anesthetized and received mechanical ventilation. Pulmonary in situ clamping followed by reperfusion generated IR. Mitochondria were isolated from pulmonary tissue. Respiratory chain complexes activities (I-IV) were analyzed by polarography. Mitochondrial viability (Ca2+-induced swelling) and membrane integrity (citrate synthase assay) were determined. Subcellular-fractional cytochrome C-content (Cyt C) was quantified by enzyme-linked immunosorbent assay (ELISA). Mitochondrial membrane potential (ΔΨm) was analyzed by fluorescence-activated cell sorting (FACS) after energizing and uncoupling. Inflammatory activation was determined by myeloperoxidase activity (MPO), matrix-metalloproteinase 9 (MMP-9) activity by gel zymography. RESULTS: Pulmonary IR significantly reduced mitochondrial viability in combination with ΔΨm hyper-polarization. GSH preconditioning improved mitochondrial viability and normalized ΔΨm. Cyt C was reduced after IR; GSH protected from Cyt C liberation. Respiratory chain complex activities (I, II, III) declined during IR; GSH protected complex II function. GSH also protected from MMP-9 and neutrophil sequestration (P>.05). CONCLUSIONS: GSH preconditioning is effective to prevent mitochondrial death and improves complex II function during IR, but not mitochondrial membrane stability. GSH-mediated amelioration of ΔΨm hyper-polarization appears to be the key factor of mitochondrial protection.


Assuntos
Glutationa/uso terapêutico , Precondicionamento Isquêmico/métodos , Pulmão/irrigação sanguínea , Doenças Mitocondriais/prevenção & controle , Traumatismo por Reperfusão/prevenção & controle , Animais , Apoptose/efeitos dos fármacos , Cálcio/farmacologia , Citocromos c/metabolismo , Modelos Animais de Doenças , Avaliação Pré-Clínica de Medicamentos/métodos , Transporte de Elétrons/efeitos dos fármacos , Transporte de Elétrons/fisiologia , Granulócitos/efeitos dos fármacos , Granulócitos/fisiologia , Metaloproteinase 9 da Matriz/metabolismo , Potencial da Membrana Mitocondrial/efeitos dos fármacos , Mitocôndrias/efeitos dos fármacos , Mitocôndrias/metabolismo , Mitocôndrias/fisiologia , Doenças Mitocondriais/metabolismo , Consumo de Oxigênio/efeitos dos fármacos , Edema Pulmonar/etiologia , Edema Pulmonar/prevenção & controle , Ratos , Ratos Wistar , Traumatismo por Reperfusão/metabolismo
13.
Crit Care Med ; 39(1): 184-6, 2011 Jan.
Artigo em Inglês | MEDLINE | ID: mdl-21057310

RESUMO

OBJECTIVE: The objective of this study was to test the ability of myoglobin removal of a novel, high-permeability polysulphone dialyzer in acute kidney injury as a result of rhabdomyolysis. SETTING: Intensive care unit of a tertiary care hospital. PATIENTS: Six patients (one female; aged 24, 36, 41, 55, 63, and 65 yrs) with oligoanuric acute kidney injury resulting from rhabdomyolysis. INTERVENTIONS: Extended dialysis was performed using a single-pass batch dialysis system and a novel polysulphone high-flux dialyzer (effective surface area 1.8 m; inner lumen 220 µm; wall thickness 35 µm; allowing elimination of substances with a molecular weight of up to 30 kDa). MEASUREMENTS AND MAIN RESULTS: Samples were collected at prefilter and postfilter sites as well as from the collected spent dialysate. The dialyzer clearance was calculated from concentrations before and directly after the dialysis membrane, the blood flow, and the ultrafiltration rate. The total amount of the myoglobin removed was measured directly as the whole dialysate was preserved. A median myoglobin clearance of 90.5 mL/min (range, 52.4-126.3 mL/min) was achieved, resulting in a median myoglobin removal per treatment hour of 0.54 g (range, 0.15-2.21 g). CONCLUSIONS: Extended dialysis with a high-flux, high-permeability membrane allowed effective elimination of myoglobin with a clearance of myoglobin that surpassed all previously reported dialysis techniques. This membrane may be advantageous in preventing acute kidney injury or avoiding complete loss of kidney function in patients with rhabdomyolysis. Further studies are needed to determine whether improving renal recovery or mortality in patients with acute kidney injury resulting from rhabdomyolysis is possible.


Assuntos
Injúria Renal Aguda/terapia , Hemofiltração/instrumentação , Membranas Artificiais , Mioglobina/metabolismo , Rabdomiólise/complicações , Injúria Renal Aguda/etiologia , Injúria Renal Aguda/fisiopatologia , Adulto , Idoso , Permeabilidade Capilar , Creatinina/sangue , Cuidados Críticos/métodos , Estado Terminal/mortalidade , Estado Terminal/terapia , Feminino , Seguimentos , Hemofiltração/métodos , Humanos , Unidades de Terapia Intensiva , Testes de Função Renal , Masculino , Pessoa de Meia-Idade , Mioglobina/análise , Rabdomiólise/diagnóstico , Estudos de Amostragem , Taxa de Sobrevida , Resultado do Tratamento , Adulto Jovem
14.
J Heart Lung Transplant ; 28(3): 243-8, 2009 Mar.
Artigo em Inglês | MEDLINE | ID: mdl-19285615

RESUMO

BACKGROUND: Pediatric lung transplantation (LTx) remains a challenge for a highly selected group of patients. The requirements for immunosuppressive therapy and the associated risks must be weighed against the long-term prognosis of this operation. Therefore, we retrospectively analyzed our experience after 53 lung and heart-lung transplantations (HLTx) in children. METHODS: All pediatric patients <18 years of age who underwent LTx (n = 37) and HLTx (n = 16) at our institution were included in this study. We analyzed indications for transplantation, survival rates and causes of death. Herein we assess pediatric-specific challenges in comparison to adults. RESULTS: Thirty-day mortality was 13.2%. Kaplan-Meier survival rates at 1, 3, 5 and 10 years were 69%, 64%, 44% and 39%, respectively. Main indications for transplantation were cystic fibrosis and congenital heart disease with Eisenmenger syndrome. Other diagnoses were retransplantation, primary pulmonary hypertension and pulmonary fibrosis. The main causes of death were infection and chronic graft failure. Reduced-size transplantation was performed in 42% of double-lung transplantation (DLTx) patients without negatively impacting survival. Six patients received pulmonary retransplantation, 1 of whom died early. CONCLUSIONS: Pediatric transplantation is a feasible therapeutic option when undertaken by an experienced team. It should be offered to the small patient population suffering from end-stage pulmonary disease. The limited number of pediatric donor organs can be overcome by using reduced-size organs. However, the management of pediatric-specific complications and therapeutic requirements is essential for positive long-term results after LTx in these patients.


Assuntos
Transplante de Coração-Pulmão/mortalidade , Transplante de Pulmão/mortalidade , Adolescente , Criança , Pré-Escolar , Feminino , Humanos , Lactente , Masculino , Estudos Retrospectivos , Taxa de Sobrevida , Fatores de Tempo
15.
Eur J Cardiothorac Surg ; 34(6): 1185-90, 2008 Dec.
Artigo em Inglês | MEDLINE | ID: mdl-18693029

RESUMO

OBJECTIVE: Survival after heart transplantation has improved significantly over the last decades. There are a growing number of patients that require cardiac retransplantation because of chronic allograft dysfunction. With regard to the critical shortage of cardiac allograft donors the decision to offer repeat heart transplantation must be carefully considered. METHODS: Since 1983 a total of 807 heart transplantations have been performed at our institution. Among them 41 patients received cardiac retransplantation, 18 patients because of acute graft failure and 23 because of chronic graft failure. Data were analyzed for demographics, morbidity and risk factors for mortality. The acute and chronic retransplant group was compared to those patients undergoing primary transplantation. RESULTS: The mean interval between primary transplantation and retransplantation was 1.9 days in the acute and 6.7 years in the chronic retransplant group. Mean follow-up was 6.9 years. Baseline characteristics were similar in the primary and retransplant group. Actuarial survival rates at 1, 3, 5 and 7 years after primary cardiac transplantation compared to retransplantation were 83, 78, 72 and 64% vs 53, 50, 47 and 36%, respectively (p<0.001). Early mortality after acute retransplantation was significantly higher compared to late retransplantation (10/18, 55.6% vs 4/23, 17.4%, p=0.011). Major causes of death were acute and chronic rejection, infection and sepsis. CONCLUSIONS: Cardiac retransplantation is associated with lower survival rates compared to primary transplantation. However, results after retransplantation in chronic graft failure are significantly better compared to acute graft failure. Therefore, we consider cardiac retransplantation in chronic graft failure a justified therapeutic option. In contrast, patients with acute graft failure seem to be inappropriate candidates for cardiac retransplantation.


Assuntos
Transplante de Coração/métodos , Seleção de Pacientes , Adolescente , Adulto , Idoso , Criança , Pré-Escolar , Feminino , Rejeição de Enxerto/cirurgia , Parada Cardíaca Induzida/métodos , Transplante de Coração/mortalidade , Humanos , Lactente , Estimativa de Kaplan-Meier , Masculino , Pessoa de Meia-Idade , Análise de Regressão , Reoperação/mortalidade , Estudos Retrospectivos , Risco , Taxa de Sobrevida , Fatores de Tempo , Doadores de Tecidos/provisão & distribuição , Transplante Homólogo , Adulto Jovem
16.
Eur J Cardiothorac Surg ; 32(6): 926-31, 2007 Dec.
Artigo em Inglês | MEDLINE | ID: mdl-17900918

RESUMO

OBJECTIVE: Because of considerable progress in paediatric cardiac surgery life expectancy of patients with congenital heart disease (CHD) has improved significantly over the years. There are a growing number of adults with CHD presenting with progressive decline of cardiopulmonary function and Eisenmenger's syndrome. We analysed our experience with heart-lung and lung transplantation in this patient group. METHODS: Since 1988, a total of 46 heart-lung transplantations and 5 double lung transplantations have been performed in adults with CHD at our institution. Underlying diagnoses were: ventricular septal defect, atrial septal defect, persistent ductus arteriosus and others. Pulmonary hypertension was present in all patients. Twelve patients had undergone previous cardiac procedures. All patients were included in this retrospective analysis. Mean follow up was 5.1+/-4.7 years. Patient survival was estimated with the Kaplan-Meier method and analysed using the log-rank test. RESULTS: Thirty-day mortality was 11.8% (n=6). Survival was 80% at 1 year, 69% at 5 years and 53% at 10 years. Major causes of death were infection and sepsis, chronic rejection, initial graft failure and acute rejection. Compared to the overall mortality after lung and heart-lung transplantation for other indications at our institution there was no significant difference (1 year, 5 years, 10 years: 76%; 60%; 45%), but a tendency towards a better long-time survival of the CHD patients. CONCLUSIONS: Lung and heart-lung transplantation can be performed with an acceptable risk and a favourable long-term outcome in patients with grown-up CHD. Careful patient selection and planning of the surgical strategy is essential in this high-risk patient population.


Assuntos
Cardiopatias Congênitas/cirurgia , Transplante de Pulmão , Adolescente , Adulto , Complexo de Eisenmenger/cirurgia , Métodos Epidemiológicos , Feminino , Rejeição de Enxerto , Comunicação Interventricular/cirurgia , Transplante de Coração-Pulmão , Humanos , Terapia de Imunossupressão/métodos , Masculino , Pessoa de Meia-Idade , Preservação de Órgãos/métodos , Cuidados Pós-Operatórios/métodos , Complicações Pós-Operatórias , Reoperação , Resultado do Tratamento
17.
J Thorac Cardiovasc Surg ; 133(6): 1620-5, 2007 Jun.
Artigo em Inglês | MEDLINE | ID: mdl-17532965

RESUMO

OBJECTIVE: Despite the introduction of low potassium-based preservation strategies for clinical lung transplantation, relevant early graft dysfunction occurs in up to 20% of cases after lung transplantation. This was found to be frequently associated with postreperfusion surfactant dysfunction. We performed a randomized, prospective study investigating the effect of exogenous surfactant instillation into human donor lungs on posttransplant surfactant function and on clinical outcome. METHODS: Exogenous surfactant was instilled into 15 donor lungs before retrieval via bronchoscopy. Bronchoalveolar lavage fluids were taken before instillation as well as 24 hours after transplantation. Surfactant function, phospholipids, and protein content in bronchoalveolar lavage fluids were assessed and clinical data prospectively recorded. Pulmonary function testing was performed 4 weeks after lung transplantation. Additionally, the best forced expiratory volume in 1 second was determined within the first year after lung transplantation. The control group consisted of 14 patients receiving donor lungs without surfactant instillation in randomized order. Pulmonary function test results were further compared with those of 154 consecutive recipients of bilateral lung transplants, which were not involved in the study (historical control). RESULTS: No deaths occurred during the first year after lung transplantation. Surfactant function in donor lungs was within normal ranges before harvest. In the control group, surfactant function was markedly impaired after reperfusion. This was significantly improved by surfactant substitution. Protein content of the bronchoalveolar lavage fluid in the surfactant group was significantly lower, indicating less leakage through the alveolocapillary membrane. Forced expiratory volume in 1 second after 4 weeks was significantly higher in the surfactant group than in either control group (P = .034 and .01, respectively). Interestingly, the best forced expiratory volume in 1 second during the first year after lung transplantation was significantly higher in both control groups compared with forced expiratory volume measured in examinations 4 weeks after lung transplantation (P = .01). The best forced expiratory volumes in 1 second of control patients were comparable with those in surfactant lungs 4 weeks after transplant. CONCLUSIONS: This study indicates a protective effect of exogenous surfactant instillation to donor lungs before retrieval on post-lung transplantation surfactant function and on early clinical outcome. This approach may help to improve the outcome after lung transplantation in the future.


Assuntos
Rejeição de Enxerto/prevenção & controle , Transplante de Pulmão , Surfactantes Pulmonares , Adolescente , Adulto , Análise de Variância , Líquido da Lavagem Broncoalveolar/química , Feminino , Humanos , Masculino , Pessoa de Meia-Idade , Estudos Prospectivos , Testes de Função Respiratória , Doadores de Tecidos , Resultado do Tratamento
18.
Scand J Infect Dis ; 39(5): 463-5, 2007.
Artigo em Inglês | MEDLINE | ID: mdl-17464873

RESUMO

We report an infection with a linezolid-resistant S. aureus in a patient with a left ventricular assist system. Linezolid should be used with caution when invasive devices or foreign materials are in place or therapeutic courses last longer than 14 d. Previous cases of linezolid-resistant S. aureus are summarized.


Assuntos
Acetamidas/farmacologia , Antibacterianos/farmacologia , Farmacorresistência Bacteriana Múltipla , Coração Auxiliar/microbiologia , Oxazolidinonas/farmacologia , Infecções Relacionadas à Prótese/microbiologia , Infecções Estafilocócicas/tratamento farmacológico , Alemanha , Humanos , Linezolida , Masculino , Meticilina , Pessoa de Meia-Idade , Infecções Estafilocócicas/etiologia , Staphylococcus aureus/efeitos dos fármacos
19.
J Thorac Cardiovasc Surg ; 132(2): 407-12, 2006 Aug.
Artigo em Inglês | MEDLINE | ID: mdl-16872970

RESUMO

OBJECTIVE: Bronchiolitis obliterans syndrome has become the most limiting factor for long-term outcome after lung transplantation. Redo lung transplantation was performed for end-stage bronchiolitis obliterans syndrome. Long-term outcome was compared with that after primary lung transplantation as well as with other indications for retransplantation. METHODS: Of 614 lung transplantation procedures performed at our institution, 54 (8.5%) were redo transplants. These were stratified into different groups according to the indication for redo transplantation, including chronic graft failure/bronchiolitis obliterans syndrome, acute graft failure, and posttransplantation airway complications. Long-term survival was compared with that of the primary lung transplantation cohort, thereby respecting the need for pretransplant mechanical ventilatory support in a subanalysis. In addition, recurrence of bronchiolitis obliterans syndrome after redo lung transplantation was compared with the occurrence of bronchiolitis obliterans after primary transplantation. RESULTS: A 1-year survival of 50% was achieved after redo lung transplantation for acute graft failure and airway complications as well as after primary lung transplantation in patients with pretransplant ventilatory support. Retransplantation for bronchiolitis obliterans syndrome revealed superior 1- (78%) and 5-year (62%) survivals, which were not different from those of first-time lung transplant recipients. In addition, we found a similar incidence of bronchiolitis syndrome after retransplantation for BOS compared with its occurrence after primary lung transplantation. CONCLUSION: Redo lung transplantation for end-stage bronchiolitis obliterans syndrome leads to acceptable long-term outcome in selected patients. Future analyses of redo lung transplantation data should generally stratify bronchiolitis obliterans syndrome from other indications with higher mortality.


Assuntos
Bronquiolite Obliterante/cirurgia , Transplante de Pulmão/mortalidade , Adolescente , Adulto , Idoso , Bronquiolite Obliterante/mortalidade , Causas de Morte , Feminino , Humanos , Masculino , Pessoa de Meia-Idade , Qualidade de Vida , Reoperação , Respiração Artificial , Análise de Sobrevida , Resultado do Tratamento
20.
J Thorac Cardiovasc Surg ; 131(3): 719-23, 2006 Mar.
Artigo em Inglês | MEDLINE | ID: mdl-16515929

RESUMO

BACKGROUND: Worsening of lung failure in patients awaiting a lung transplantation might lead to ventilation-refractory hypercapnia and respiratory acidosis. Most transplant centers consider pretransplantation extracorporeal membrane oxygenation as a contraindication for lung transplantation because of the poor outcome. We have, for the first time, applied the novel pumpless interventional lung assist NovaLung for bridge to lung transplantation in patients with severe ventilation-refractory hypercapnia. We report on our initial experience. METHODS: Between March 2003 and March 2005, 176 lung transplantations were performed, of which 60% were high-urgency lung transplantations. Twelve of the high-urgency recipients had severe ventilation-refractory hypercapnia and respiratory acidosis. These patients were connected to the novel pumpless interventional lung assist NovaLung for bridge to lung transplantation. RESULTS: The length of interventional lung assist NovaLung support was 15 +/- 8 days (4-32 days). PaO2, pH, and PaCO2 levels in arterial blood prior to interventional lung assist NovaLung implantation were 71 +/- 27 mm Hg, 7.121 +/- 0.1, and 128 +/- 42 mm Hg, respectively. Six hours after interventional lung assist NovaLung implantation, PaO2, pH, and PaCO2 levels had changed to 83 +/- 17 mm Hg (ns), 7.344 +/- 0.1 (P < .05), and 52 +/- 5 mm Hg (P < .05), respectively. Four patients died of multiorgan failure, 2 patients before and 2 after lung transplantation. Thus, 10 out of 12 patients were successfully bridged to lung transplantation, and 8 are still alive (1-year survival, 80%). CONCLUSIONS: This report suggests that interventional lung assist NovaLung implantation is an effective bridge to lung transplantation strategy in patients with ventilation-refractory hypercapnia.


Assuntos
Acidose Respiratória/terapia , Hipercapnia/terapia , Transplante de Pulmão , Ventiladores Mecânicos , Desenho de Equipamento , Humanos , Cuidados Pré-Operatórios , Índice de Gravidade de Doença
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