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  • Mårtensson, Jan, et al. (författare)
  • Living with heart failure : Depression and quality of life in patients and spouses
  • 2003
  • Ingår i: The Journal of Heart and Lung Transplantation. - Amsterdam : Elsevier. - 1053-2498. ; 22:4, s. 460-467
  • Tidskriftsartikel (refereegranskat)abstract
    • Background:Although spouses are a key support for patients with heart failure, and help them remain in the community, no one has studied patient–spouse pairs to determine the nature of their experience. Therefore, we conducted a study of patients and spouses to compare their levels of depression and health-related quality of life (HRQOL), and to identify factors that contribute to depression and HRQOL in patient–spouse pairs.Methods:Forty-eight couples, in which all patients were men with heart failure, were recruited from a university-affiliated, outpatient heart failure clinic. Data were collected using the Beck Depression Inventory, the 12-item Short Form (that measures physical and mental components of QOL), and the 6-minute walk test.Results:Patients with heart failure were significantly more depressed and had poorer physical quality of life compared with spouses. Patients’ depression was correlated with their own functional status and mental quality of life, with the combination of 6-minute walk distance and mental QOL contributing 51% of the variance in patient depression. Spouse depression and HRQOL did not significantly influence patient depression. In contrast, spouses’ depression was related to their husbands’ functional status and employment, as well as their own mental QOL. The mental component of spouse QOL and the age of the patient accounted for 33% of the adjusted variance in spousal depression.Conclusions:Patients with heart failure and their spouses experience significantly different levels of depression and physical QOL. In developing interventions, it may be important to take these differences into account and focus on their unique needs as well as those issues that affect the couple together. Interventions that improve patient functional status may result in decreased depression and improved HRQOL on the part of both patients and spouses.
  • Peterze, B., et al. (författare)
  • Long-term follow-up of thoratec ventricular assist device bridge-to-recovery patients successfully removed from support after recovery of ventricular function
  • 2002
  • Ingår i: The Journal of Heart and Lung Transplantation. - 1053-2498. ; 21:5, s. 516-521
  • Tidskriftsartikel (refereegranskat)abstract
    • Background: In certain forms of severe heart failure there is sufficient improvement in cardiac function during ventricular assist device (VAD) support to allow removal of the device. However, it is critical to know whether there is sustained recovery of the heart and long-term patient survival if VAD bridging to recovery is to be considered over the option of transplantation. Methods: To determine long-term outcome of survivors of VAD bridge-to-recovery procedures, we retrospectively evaluated 22 patients with non-ischemic heart failure successfully weaned from the Thoratec left ventricular assist device (LVAD) or biventricular assist device (BVAD) after recovery of ventricular function at 14 medical centers. All patients were in imminent risk of dying and were selected for VAD support using standard bridge-to-transplant requirements. There were 12 females and 10 males with an average age of 32 (range, 12-49). The etiologies were 12 with myocarditis, 7 with cardiomyopathies (4 post-partum [PPCM], 1 viral [VCM], and 2 idiopathic [IDCM]), and 3 with a combination of myocarditis and cardiomyopathy. BVADs were used in 13 patients and isolated LVADs in 9 patients, for an average duration of 57 days (range, 11-190 days), before return of ventricular function and successful weaning from the device. Post-VAD survival was compared with 43 VAD bridge-to-transplant patients with the same etiologies who underwent cardiac transplantation instead of device weaning. Results: Nineteen of the 22 patients are currently alive. Three patients required heart transplantation, 1 within 1 day, 2 at 12 and 13 months post-weaning, and 2 died at 2.5 and 6 months. The remaining 17 patients are alive with their native hearts after an average of 3.2 years (range, 1.2-10 years). The actuarial survival of native hearts (transplant-free survival) post-VAD support is 86% at 1 year and 77% at 5 years, which was not significantly different (p = 0.94) from that of post-VAD transplanted patients, also at 86% and 77%, respectively. Conclusion: Long-term survival for bridge-to-recovery with VADs for acute cardiomyopathies and myocarditis is equivalent to that for cardiac transplantation. Recovery of the native heart, which can take weeks to months of VAD support, is the most desirable clinical outcome and should be actively sought, with transplantation used only after recovery of ventricular function has been ruled out.
  • Abbey, Susan E., et al. (författare)
  • Qualitative interviews versus standardised self-report questionnaires in assessing qualityb of life in heart transplant recipients
  • 2011
  • Ingår i: The Journal of Heart and Lung Transplantation. - Elsevier. - 1053-2498. ; 30:8, s. 963-966
  • Tidskriftsartikel (refereegranskat)abstract
    • Quality of life (QoL) studies in heart transplant recipients (HTRs) using validated, quantitative, self-report questionnaires have reported poor QoL in approximately 20% of patients. This consecutive mixed methods study compared self-report questionnaires, the Medical Outcomes Study 36-item Short Form Health Survey (MOS SF-36) and the Atkinson Life Satisfaction Scale, with phenomenologically informed audiovisual (AV) qualitative interview data in 27 medically stable HTRs (70% male; age 53 ± 13.77 years; time since transplant 4.06 ± 2.42 years). Self-report questionnaire data reported poor QoL and more distress compared with previous studies and normative population samples; in contrast, 52% of HTRs displayed pervasive distress according to visual methodology. Using qualitative methods to assess QoL yields information that would otherwise remain unobserved by the exclusive use of quantitative QOL questionnaires.
  • Barklin, Anne, et al. (författare)
  • Alteration of Neuropeptides in the Lung Tissue Correlates Brain Death-Induced Neurogenic Edema
  • 2009
  • Ingår i: JOURNAL OF HEART AND LUNG TRANSPLANTATION. - 1053-2498. ; 28:7, s. 725-732
  • Tidskriftsartikel (refereegranskat)abstract
    • Background: increased intracranial pressure induces neurogenic pulmonary edema (NPE), potentially explaining why only lungs from less than 20% of brain dead organ donors can be used for transplantation. This study investigated the underlying mechanisms of NPE, focusing on neuropeptides, which potently induce vasoconstriction, vasodilatation, and neurogenic inflammation. Methods: Brain death was induced in 10 pigs by increasing the intracranial pressure. Eight additional pigs served as controls. Neuropeptide Y (NPY), calcitonin gene-related peptide (CGRP), and substance P were analyzed in plasma, bronchoalveolar lavage (BAL) fluid, and homogenized lung tissue 6 hours after brain death. Pulmonary oxygen exchange was estimated using partial pressure of arterial oxygen (Pao(2))/fraction of inspired oxygen (FIO2), and pulmonary edema by wet/dry weight ratio. Results: Brain death induced a decrease in PaO2/FIO2 (P less than 0.001) and increased the wet/dry weight of both apical (p = 0.01) and basal lobes (p = 0.03). NPY and CGRP concentrations were higher in the BAL fluid of brain-dead animals compared with controls (p = 0.02 and p = 0.02) and were positively correlated with the wet/dry weight ratio. NPY content in lung tissue was lower in brain-dead animals compared with controls (p = 0.04) and was negatively correlated with the wet/dry weight ratio. There were no differences in substance P concentrations between the groups. Conclusion: NPY was released from the lung tissue of brain-dead pigs, and its concentration was related to the extent of pulmonary edema. NPY may be one of several crucial mediators of neurogenic pulmonary edema, raising the possibility of treatment with NPY-antagonists to increase the number of available lung donors.
  • Bergenfeldt, Henrik, et al. (författare)
  • Donor-recipient size matching and mortality in heart transplantation : Influence of body mass index and gender
  • 2017
  • Ingår i: Journal of Heart and Lung Transplantation. - Elsevier. - 1053-2498.
  • Tidskriftsartikel (refereegranskat)abstract
    • Background: The International Society for Heart and Lung Transplantation (ISHLT) guidelines advise against inappropriate weight match (IWM) for heart transplant, defined as donor weight <70% of recipient's weight. Few studies have explored in detail this size-matching recommendation, especially with regard to body mass index (BMI) and gender matching. We aimed to determine whether any difference could be observed between size-matching in obese and non-obese recipients with regard to mortality after cardiac transplantation. Methods: Data from 52,455 adult heart transplants (recipients ≥18 years of age) between 1994 and 2013 were obtained from the ISHLT Registry. We defined the following subgroups of patients based on BMI: underweight, BMI <18.5; non-obese, BMI 18.5 to 30; and obese, BMI >30. The end-points were all-cause 30-day mortality and cumulative mortality. Results: IWM was associated with increased 30-day mortality (odds ratio [OR] = 1.20, 95% confidence interval [CI] 1.01 to 1.43, p = 0.041) and cumulative mortality (hazard ratio [HR] = 1.14, 95% CI 1.07 to 1.22, p < 0.001). In non-obese recipients, IWM was associated with increased 30-day mortality (OR = 1.89, 95% CI 1.48 to 2.41, p < 0.001) as well as cumulative mortality (HR = 1.27, 95% CI 1.15 to 1.41, p < 0.001), whereas, for obese recipients, IWM was not associated with 30-day or cumulative mortality. Male recipients of female allografts (HR = 1.08, 95% CI 1.04 to 1.12, p < 0.001) as well as female recipients of male allografts (HR = 1.07, 95% CI 1.02 to 1.13, p = 0.003) had increased cumulative mortality compared with gender-matched transplants. There was no interaction between IWM and gender mismatch. Conclusions: Our results indicate that donor weight <70% of recipient weight increases mortality in non-obese heart transplant recipients, but not in obese transplant recipients. Gender mismatch increases mortality independently of weight match.
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